Merge pull request #4036 from astaxie/develop

V1.12.2

.travis.yml

@@ -36,8 +36,7 @@ install:
   - go get github.com/beego/goyaml2
   - go get gopkg.in/yaml.v2
   - go get github.com/belogik/goes
-  - go get github.com/siddontang/ledisdb/config
+  - go get github.com/ledisdb/ledisdb
-  - go get github.com/siddontang/ledisdb/ledis
   - go get github.com/ssdb/gossdb/ssdb
   - go get github.com/cloudflare/golz4
   - go get github.com/gogo/protobuf/proto
@@ -49,7 +48,7 @@ install:
   - go get -u honnef.co/go/tools/cmd/staticcheck
   - go get -u github.com/mdempsky/unconvert
   - go get -u github.com/gordonklaus/ineffassign
-  - go get -u github.com/golang/lint/golint
+  - go get -u golang.org/x/lint/golint
   - go get -u github.com/go-redis/redis
 before_script:
   - psql --version

README.md

@@ -33,6 +33,8 @@ Congratulations! You've just built your first **beego** app.
 
 ###### Please see [Documentation](http://beego.me/docs) for more.
 
+###### [beego-example](https://github.com/beego-dev/beego-example)
+
 ## Features
 
 * RESTful support

admin.go

@@ -24,6 +24,8 @@ import (
 	"text/template"
 	"time"
 
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+
 	"github.com/astaxie/beego/grace"
 	"github.com/astaxie/beego/logs"
 	"github.com/astaxie/beego/toolbox"
@@ -55,12 +57,14 @@ func init() {
 	beeAdminApp = &adminApp{
 		routers: make(map[string]http.HandlerFunc),
 	}
+	// keep in mind that all data should be html escaped to avoid XSS attack
 	beeAdminApp.Route("/", adminIndex)
 	beeAdminApp.Route("/qps", qpsIndex)
 	beeAdminApp.Route("/prof", profIndex)
 	beeAdminApp.Route("/healthcheck", healthcheck)
 	beeAdminApp.Route("/task", taskStatus)
 	beeAdminApp.Route("/listconf", listConf)
+	beeAdminApp.Route("/metrics", promhttp.Handler().ServeHTTP)
 	FilterMonitorFunc = func(string, string, time.Duration, string, int) bool { return true }
 }
 
@@ -105,8 +109,8 @@ func listConf(rw http.ResponseWriter, r *http.Request) {
 	case "conf":
 		m := make(M)
 		list("BConfig", BConfig, m)
-		m["AppConfigPath"] = appConfigPath
+		m["AppConfigPath"] = template.HTMLEscapeString(appConfigPath)
-		m["AppConfigProvider"] = appConfigProvider
+		m["AppConfigProvider"] = template.HTMLEscapeString(appConfigProvider)
 		tmpl := template.Must(template.New("dashboard").Parse(dashboardTpl))
 		tmpl = template.Must(tmpl.Parse(configTpl))
 		tmpl = template.Must(tmpl.Parse(defaultScriptsTpl))
@@ -151,8 +155,9 @@ func listConf(rw http.ResponseWriter, r *http.Request) {
 					resultList := new([][]string)
 					for _, f := range bf {
 						var result = []string{
-							f.pattern,
+							// void xss
-							utils.GetFuncName(f.filterFunc),
+							template.HTMLEscapeString(f.pattern),
+							template.HTMLEscapeString(utils.GetFuncName(f.filterFunc)),
 						}
 						*resultList = append(*resultList, result)
 					}
@@ -207,8 +212,8 @@ func PrintTree() M {
 
 		printTree(resultList, t)
 
-		methods = append(methods, method)
+		methods = append(methods, template.HTMLEscapeString(method))
-		methodsData[method] = resultList
+		methodsData[template.HTMLEscapeString(method)] = resultList
 	}
 
 	content["Data"] = methodsData
@@ -227,21 +232,21 @@ func printTree(resultList *[][]string, t *Tree) {
 		if v, ok := l.runObject.(*ControllerInfo); ok {
 			if v.routerType == routerTypeBeego {
 				var result = []string{
-					v.pattern,
+					template.HTMLEscapeString(v.pattern),
-					fmt.Sprintf("%s", v.methods),
+					template.HTMLEscapeString(fmt.Sprintf("%s", v.methods)),
-					v.controllerType.String(),
+					template.HTMLEscapeString(v.controllerType.String()),
 				}
 				*resultList = append(*resultList, result)
 			} else if v.routerType == routerTypeRESTFul {
 				var result = []string{
-					v.pattern,
+					template.HTMLEscapeString(v.pattern),
-					fmt.Sprintf("%s", v.methods),
+					template.HTMLEscapeString(fmt.Sprintf("%s", v.methods)),
 					"",
 				}
 				*resultList = append(*resultList, result)
 			} else if v.routerType == routerTypeHandler {
 				var result = []string{
-					v.pattern,
+					template.HTMLEscapeString(v.pattern),
 					"",
 					"",
 				}
@@ -266,7 +271,7 @@ func profIndex(rw http.ResponseWriter, r *http.Request) {
 		result bytes.Buffer
 	)
 	toolbox.ProcessInput(command, &result)
-	data["Content"] = result.String()
+	data["Content"] = template.HTMLEscapeString(result.String())
 
 	if format == "json" && command == "gc summary" {
 		dataJSON, err := json.Marshal(data)
@@ -280,7 +285,7 @@ func profIndex(rw http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	data["Title"] = command
+	data["Title"] = template.HTMLEscapeString(command)
 	defaultTpl := defaultScriptsTpl
 	if command == "gc summary" {
 		defaultTpl = gcAjaxTpl
@@ -304,13 +309,13 @@ func healthcheck(rw http.ResponseWriter, _ *http.Request) {
 		if err := h.Check(); err != nil {
 			result = []string{
 				"error",
-				name,
+				template.HTMLEscapeString(name),
-				err.Error(),
+				template.HTMLEscapeString(err.Error()),
 			}
 		} else {
 			result = []string{
 				"success",
-				name,
+				template.HTMLEscapeString(name),
 				"OK",
 			}
 		}
@@ -334,11 +339,11 @@ func taskStatus(rw http.ResponseWriter, req *http.Request) {
 	if taskname != "" {
 		if t, ok := toolbox.AdminTaskList[taskname]; ok {
 			if err := t.Run(); err != nil {
-				data["Message"] = []string{"error", fmt.Sprintf("%s", err)}
+				data["Message"] = []string{"error", template.HTMLEscapeString(fmt.Sprintf("%s", err))}
 			}
-			data["Message"] = []string{"success", fmt.Sprintf("%s run success,Now the Status is <br>%s", taskname, t.GetStatus())}
+			data["Message"] = []string{"success", template.HTMLEscapeString(fmt.Sprintf("%s run success,Now the Status is <br>%s", taskname, t.GetStatus()))}
 		} else {
-			data["Message"] = []string{"warning", fmt.Sprintf("there's no task which named: %s", taskname)}
+			data["Message"] = []string{"warning", template.HTMLEscapeString(fmt.Sprintf("there's no task which named: %s", taskname))}
 		}
 	}
 
@@ -354,10 +359,10 @@ func taskStatus(rw http.ResponseWriter, req *http.Request) {
 	}
 	for tname, tk := range toolbox.AdminTaskList {
 		result := []string{
-			tname,
+			template.HTMLEscapeString(tname),
-			tk.GetSpec(),
+			template.HTMLEscapeString(tk.GetSpec()),
-			tk.GetStatus(),
+			template.HTMLEscapeString(tk.GetStatus()),
-			tk.GetPrev().String(),
+			template.HTMLEscapeString(tk.GetPrev().String()),
 		}
 		*resultList = append(*resultList, result)
 	}

admin_test.go

@@ -52,6 +52,8 @@ func oldMap() M {
 	m["BConfig.WebConfig.DirectoryIndex"] = BConfig.WebConfig.DirectoryIndex
 	m["BConfig.WebConfig.StaticDir"] = BConfig.WebConfig.StaticDir
 	m["BConfig.WebConfig.StaticExtensionsToGzip"] = BConfig.WebConfig.StaticExtensionsToGzip
+	m["BConfig.WebConfig.StaticCacheFileSize"] = BConfig.WebConfig.StaticCacheFileSize
+	m["BConfig.WebConfig.StaticCacheFileNum"] = BConfig.WebConfig.StaticCacheFileNum
 	m["BConfig.WebConfig.TemplateLeft"] = BConfig.WebConfig.TemplateLeft
 	m["BConfig.WebConfig.TemplateRight"] = BConfig.WebConfig.TemplateRight
 	m["BConfig.WebConfig.ViewsPath"] = BConfig.WebConfig.ViewsPath

app.go

@@ -123,14 +123,13 @@ func (app *App) Run(mws ...MiddleWare) {
 					httpsAddr = fmt.Sprintf("%s:%d", BConfig.Listen.HTTPSAddr, BConfig.Listen.HTTPSPort)
 					app.Server.Addr = httpsAddr
 				}
-				server := grace.NewServer(httpsAddr, app.Handlers)
+				server := grace.NewServer(httpsAddr, app.Server.Handler)
 				server.Server.ReadTimeout = app.Server.ReadTimeout
 				server.Server.WriteTimeout = app.Server.WriteTimeout
 				if BConfig.Listen.EnableMutualHTTPS {
 					if err := server.ListenAndServeMutualTLS(BConfig.Listen.HTTPSCertFile, BConfig.Listen.HTTPSKeyFile, BConfig.Listen.TrustCaFile); err != nil {
 						logs.Critical("ListenAndServeTLS: ", err, fmt.Sprintf("%d", os.Getpid()))
 						time.Sleep(100 * time.Microsecond)
-						endRunning <- true
 					}
 				} else {
 					if BConfig.Listen.AutoTLS {
@@ -145,14 +144,14 @@ func (app *App) Run(mws ...MiddleWare) {
 					if err := server.ListenAndServeTLS(BConfig.Listen.HTTPSCertFile, BConfig.Listen.HTTPSKeyFile); err != nil {
 						logs.Critical("ListenAndServeTLS: ", err, fmt.Sprintf("%d", os.Getpid()))
 						time.Sleep(100 * time.Microsecond)
+					}
+				}
 				endRunning <- true
-					}
-				}
 			}()
 		}
 		if BConfig.Listen.EnableHTTP {
 			go func() {
-				server := grace.NewServer(addr, app.Handlers)
+				server := grace.NewServer(addr, app.Server.Handler)
 				server.Server.ReadTimeout = app.Server.ReadTimeout
 				server.Server.WriteTimeout = app.Server.WriteTimeout
 				if BConfig.Listen.ListenTCP4 {
@@ -161,8 +160,8 @@ func (app *App) Run(mws ...MiddleWare) {
 				if err := server.ListenAndServe(); err != nil {
 					logs.Critical("ListenAndServe: ", err, fmt.Sprintf("%d", os.Getpid()))
 					time.Sleep(100 * time.Microsecond)
-					endRunning <- true
 				}
+				endRunning <- true
 			}()
 		}
 		<-endRunning

beego.go

@@ -23,7 +23,7 @@ import (
 
 const (
 	// VERSION represent beego web framework version.
-	VERSION = "1.12.1"
+	VERSION = "1.12.2"
 
 	// DEV is for develop
 	DEV = "dev"

build_info.go

@@ -0,0 +1,27 @@
+// Copyright 2020 astaxie
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package beego
+
+var (
+	BuildVersion string
+	BuildGitRevision string
+	BuildStatus string
+	BuildTag string
+	BuildTime string
+
+	GoVersion string
+
+	GitBranch string
+)

cache/memory.go

@@ -218,9 +218,12 @@ func (bc *MemoryCache) vacuum() {
 	}
 	for {
 		<-time.After(bc.dur)
+		bc.RLock()
 		if bc.items == nil {
+			bc.RUnlock()
 			return
 		}
+		bc.RUnlock()
 		if keys := bc.expiredKeys(); len(keys) != 0 {
 			bc.clearItems(keys)
 		}

cache/redis/redis.go

@@ -55,6 +55,9 @@ type Cache struct {
 	key      string
 	password string
 	maxIdle  int
+
+	//the timeout to a value less than the redis server's timeout.
+	timeout  time.Duration
 }
 
 // NewRedisCache create new redis cache with default collection name.
@@ -137,12 +140,12 @@ func (rc *Cache) Decr(key string) error {
 
 // ClearAll clean all cache in redis. delete this redis collection.
 func (rc *Cache) ClearAll() error {
-	c := rc.p.Get()
+	cachedKeys, err := rc.Scan(rc.key + ":*")
-	defer c.Close()
-	cachedKeys, err := redis.Strings(c.Do("KEYS", rc.key+":*"))
 	if err != nil {
 		return err
 	}
+	c := rc.p.Get()
+	defer c.Close()
 	for _, str := range cachedKeys {
 		if _, err = c.Do("DEL", str); err != nil {
 			return err
@@ -151,6 +154,35 @@ func (rc *Cache) ClearAll() error {
 	return err
 }
 
+// Scan scan all keys matching the pattern. a better choice than `keys`
+func (rc *Cache) Scan(pattern string) (keys []string, err error) {
+	c := rc.p.Get()
+	defer c.Close()
+	var (
+		cursor uint64 = 0 // start
+		result []interface{}
+		list   []string
+	)
+	for {
+		result, err = redis.Values(c.Do("SCAN", cursor, "MATCH", pattern, "COUNT", 1024))
+		if err != nil {
+			return
+		}
+		list, err = redis.Strings(result[1], nil)
+		if err != nil {
+			return
+		}
+		keys = append(keys, list...)
+		cursor, err = redis.Uint64(result[0], nil)
+		if err != nil {
+			return
+		}
+		if cursor == 0 { // over
+			return
+		}
+	}
+}
+
 // StartAndGC start redis cache adapter.
 // config is like {"key":"collection key","conn":"connection info","dbNum":"0"}
 // the cache item in redis are stored forever,
@@ -182,12 +214,21 @@ func (rc *Cache) StartAndGC(config string) error {
 	if _, ok := cf["maxIdle"]; !ok {
 		cf["maxIdle"] = "3"
 	}
+	if _, ok := cf["timeout"]; !ok {
+		cf["timeout"] = "180s"
+	}
 	rc.key = cf["key"]
 	rc.conninfo = cf["conn"]
 	rc.dbNum, _ = strconv.Atoi(cf["dbNum"])
 	rc.password = cf["password"]
 	rc.maxIdle, _ = strconv.Atoi(cf["maxIdle"])
 
+	if v, err := time.ParseDuration(cf["timeout"]); err == nil {
+		rc.timeout = v
+	} else {
+		rc.timeout = 180 * time.Second
+	}
+
 	rc.connectInit()
 
 	c := rc.p.Get()
@@ -221,7 +262,7 @@ func (rc *Cache) connectInit() {
 	// initialize a new pool
 	rc.p = &redis.Pool{
 		MaxIdle:     rc.maxIdle,
-		IdleTimeout: 180 * time.Second,
+		IdleTimeout: rc.timeout,
 		Dial:        dialFunc,
 	}
 }

cache/redis/redis_test.go

@@ -15,6 +15,7 @@
 package redis
 
 import (
+	"fmt"
 	"testing"
 	"time"
 
@@ -104,3 +105,40 @@ func TestRedisCache(t *testing.T) {
 		t.Error("clear all err")
 	}
 }
+
+func TestCache_Scan(t *testing.T) {
+	timeoutDuration := 10 * time.Second
+	// init
+	bm, err := cache.NewCache("redis", `{"conn": "127.0.0.1:6379"}`)
+	if err != nil {
+		t.Error("init err")
+	}
+	// insert all
+	for i := 0; i < 10000; i++ {
+		if err = bm.Put(fmt.Sprintf("astaxie%d", i), fmt.Sprintf("author%d", i), timeoutDuration); err != nil {
+			t.Error("set Error", err)
+		}
+	}
+	// scan all for the first time
+	keys, err := bm.(*Cache).Scan(DefaultKey + ":*")
+	if err != nil {
+		t.Error("scan Error", err)
+	}
+	if len(keys) != 10000 {
+		t.Error("scan all err")
+	}
+
+	// clear all
+	if err = bm.ClearAll(); err != nil {
+		t.Error("clear all err")
+	}
+
+	// scan all for the second time
+	keys, err = bm.(*Cache).Scan(DefaultKey + ":*")
+	if err != nil {
+		t.Error("scan Error", err)
+	}
+	if len(keys) != 0 {
+		t.Error("scan all err")
+	}
+}

config.go

@@ -81,6 +81,8 @@ type WebConfig struct {
 	DirectoryIndex         bool
 	StaticDir              map[string]string
 	StaticExtensionsToGzip []string
+	StaticCacheFileSize    int
+	StaticCacheFileNum     int
 	TemplateLeft           string
 	TemplateRight          string
 	ViewsPath              string
@@ -129,6 +131,8 @@ var (
 	appConfigPath string
 	// appConfigProvider is the provider for the config, default is ini
 	appConfigProvider = "ini"
+	// WorkPath is the absolute path to project root directory
+	WorkPath string
 )
 
 func init() {
@@ -137,7 +141,7 @@ func init() {
 	if AppPath, err = filepath.Abs(filepath.Dir(os.Args[0])); err != nil {
 		panic(err)
 	}
-	workPath, err := os.Getwd()
+	WorkPath, err = os.Getwd()
 	if err != nil {
 		panic(err)
 	}
@@ -145,7 +149,7 @@ func init() {
 	if os.Getenv("BEEGO_RUNMODE") != "" {
 		filename = os.Getenv("BEEGO_RUNMODE") + ".app.conf"
 	}
-	appConfigPath = filepath.Join(workPath, "conf", filename)
+	appConfigPath = filepath.Join(WorkPath, "conf", filename)
 	if !utils.FileExists(appConfigPath) {
 		appConfigPath = filepath.Join(AppPath, "conf", filename)
 		if !utils.FileExists(appConfigPath) {
@@ -236,6 +240,8 @@ func newBConfig() *Config {
 			DirectoryIndex:         false,
 			StaticDir:              map[string]string{"/static": "static"},
 			StaticExtensionsToGzip: []string{".css", ".js"},
+			StaticCacheFileSize:    1024 * 100,
+			StaticCacheFileNum:     1000,
 			TemplateLeft:           "{{",
 			TemplateRight:          "}}",
 			ViewsPath:              "views",
@@ -317,6 +323,14 @@ func assignConfig(ac config.Configer) error {
 		}
 	}
 
+	if sfs, err := ac.Int("StaticCacheFileSize"); err == nil {
+		BConfig.WebConfig.StaticCacheFileSize = sfs
+	}
+
+	if sfn, err := ac.Int("StaticCacheFileNum"); err == nil {
+		BConfig.WebConfig.StaticCacheFileNum = sfn
+	}
+
 	if lo := ac.String("LogOutputs"); lo != "" {
 		// if lo is not nil or empty
 		// means user has set his own LogOutputs
@@ -408,10 +422,10 @@ func newAppConfig(appConfigProvider, appConfigPath string) (*beegoAppConfig, err
 
 func (b *beegoAppConfig) Set(key, val string) error {
 	if err := b.innerConfig.Set(BConfig.RunMode+"::"+key, val); err != nil {
-		return err
-	}
 		return b.innerConfig.Set(key, val)
 	}
+	return nil
+}
 
 func (b *beegoAppConfig) String(key string) string {
 	if v := b.innerConfig.String(BConfig.RunMode + "::" + key); v != "" {

config/json.go

@@ -20,6 +20,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
+	"strconv"
 	"strings"
 	"sync"
 )
@@ -94,8 +95,10 @@ func (c *JSONConfigContainer) Int(key string) (int, error) {
 	if val != nil {
 		if v, ok := val.(float64); ok {
 			return int(v), nil
+		} else if v, ok := val.(string); ok {
+			return strconv.Atoi(v)
 		}
-		return 0, errors.New("not int value")
+		return 0, errors.New("not valid value")
 	}
 	return 0, errors.New("not exist key:" + key)
 }

config_test.go

@@ -115,6 +115,8 @@ func TestAssignConfig_03(t *testing.T) {
 	ac.Set("RunMode", "online")
 	ac.Set("StaticDir", "download:down download2:down2")
 	ac.Set("StaticExtensionsToGzip", ".css,.js,.html,.jpg,.png")
+	ac.Set("StaticCacheFileSize", "87456")
+	ac.Set("StaticCacheFileNum", "1254")
 	assignConfig(ac)
 
 	t.Logf("%#v", BConfig)
@@ -132,6 +134,12 @@ func TestAssignConfig_03(t *testing.T) {
 	if BConfig.WebConfig.StaticDir["/download2"] != "down2" {
 		t.FailNow()
 	}
+	if BConfig.WebConfig.StaticCacheFileSize != 87456 {
+		t.FailNow()
+	}
+	if BConfig.WebConfig.StaticCacheFileNum != 1254 {
+		t.FailNow()
+	}
 	if len(BConfig.WebConfig.StaticExtensionsToGzip) != 5 {
 		t.FailNow()
 	}

context/input.go

@@ -71,7 +71,9 @@ func (input *BeegoInput) Reset(ctx *Context) {
 	input.CruSession = nil
 	input.pnames = input.pnames[:0]
 	input.pvalues = input.pvalues[:0]
+	input.dataLock.Lock()
 	input.data = nil
+	input.dataLock.Unlock()
 	input.RequestBody = []byte{}
 }
 
@@ -87,7 +89,7 @@ func (input *BeegoInput) URI() string {
 
 // URL returns request url path (without query string, fragment).
 func (input *BeegoInput) URL() string {
-	return input.Context.Request.URL.Path
+	return input.Context.Request.URL.EscapedPath()
 }
 
 // Site returns base site url as scheme://domain type.
@@ -282,6 +284,11 @@ func (input *BeegoInput) ParamsLen() int {
 func (input *BeegoInput) Param(key string) string {
 	for i, v := range input.pnames {
 		if v == key && i <= len(input.pvalues) {
+			// we cannot use url.PathEscape(input.pvalues[i])
+			// for example, if the value is /a/b
+			// after url.PathEscape(input.pvalues[i]), the value is %2Fa%2Fb
+			// However, the value is used in ControllerRegister.ServeHTTP
+			// and split by "/", so function crash...
 			return input.pvalues[i]
 		}
 	}

go.mod

@@ -2,36 +2,35 @@ module github.com/astaxie/beego
 
 require (
 	github.com/Knetic/govaluate v3.0.0+incompatible // indirect
-	github.com/OwnLocal/goes v1.0.0
 	github.com/beego/goyaml2 v0.0.0-20130207012346-5545475820dd
 	github.com/beego/x2j v0.0.0-20131220205130-a0352aadc542
 	github.com/bradfitz/gomemcache v0.0.0-20180710155616-bc664df96737
 	github.com/casbin/casbin v1.7.0
 	github.com/cloudflare/golz4 v0.0.0-20150217214814-ef862a3cdc58
-	github.com/couchbase/go-couchbase v0.0.0-20181122212707-3e9b6e1258bb
+	github.com/couchbase/go-couchbase v0.0.0-20200519150804-63f3cdb75e0d
-	github.com/couchbase/gomemcached v0.0.0-20181122193126-5125a94a666c // indirect
+	github.com/couchbase/gomemcached v0.0.0-20200526233749-ec430f949808 // indirect
 	github.com/couchbase/goutils v0.0.0-20180530154633-e865a1461c8a // indirect
-	github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76 // indirect
+	github.com/elastic/go-elasticsearch/v6 v6.8.5
-	github.com/edsrzf/mmap-go v0.0.0-20170320065105-0bce6a688712 // indirect
 	github.com/elazarl/go-bindata-assetfs v1.0.0
 	github.com/go-redis/redis v6.14.2+incompatible
-	github.com/go-sql-driver/mysql v1.4.1
+	github.com/go-sql-driver/mysql v1.5.0
 	github.com/gogo/protobuf v1.1.1
 	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect
 	github.com/gomodule/redigo v2.0.0+incompatible
+	github.com/hashicorp/golang-lru v0.5.4
+	github.com/ledisdb/ledisdb v0.0.0-20200510135210-d35789ec47e6
 	github.com/lib/pq v1.0.0
-	github.com/mattn/go-sqlite3 v1.10.0
+	github.com/mattn/go-sqlite3 v2.0.3+incompatible
 	github.com/pelletier/go-toml v1.2.0 // indirect
-	github.com/pkg/errors v0.8.0 // indirect
+	github.com/prometheus/client_golang v1.7.0
-	github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726 // indirect
+	github.com/shiena/ansicolor v0.0.0-20151119151921-a422bbe96644
-	github.com/siddontang/ledisdb v0.0.0-20181029004158-becf5f38d373
-	github.com/siddontang/rdb v0.0.0-20150307021120-fc89ed2e418d // indirect
 	github.com/ssdb/gossdb v0.0.0-20180723034631-88f6b59b84ec
+	github.com/stretchr/testify v1.4.0
 	github.com/syndtr/goleveldb v0.0.0-20181127023241-353a9fca669c // indirect
 	github.com/wendal/errors v0.0.0-20130201093226-f66c77a7882b // indirect
 	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
 	golang.org/x/tools v0.0.0-20200117065230-39095c1d176c
-	gopkg.in/yaml.v2 v2.2.1
+	gopkg.in/yaml.v2 v2.2.8
 )
 
 replace golang.org/x/crypto v0.0.0-20181127143415-eb0de9b17e85 => github.com/golang/crypto v0.0.0-20181127143415-eb0de9b17e85

go.sum

@@ -1,80 +1,217 @@
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+gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

grace/server.go

@@ -46,7 +46,10 @@ func (srv *Server) Serve() (err error) {
 
 	log.Println(syscall.Getpid(), srv.ln.Addr(), "Listener closed.")
 	// wait for Shutdown to return
-	return <-srv.terminalChan
+	if shutdownErr := <-srv.terminalChan; shutdownErr != nil {
+		return shutdownErr
+	}
+	return
 }
 
 // ListenAndServe listens on the TCP network address srv.Addr and then calls Serve
@@ -180,7 +183,7 @@ func (srv *Server) ListenAndServeMutualTLS(certFile, keyFile, trustFile string)
 			log.Println(err)
 			return err
 		}
-		err = process.Kill()
+		err = process.Signal(syscall.SIGTERM)
 		if err != nil {
 			return err
 		}

httplib/httplib.go

@@ -407,6 +407,7 @@ func (b *BeegoHTTPRequest) buildURL(paramBody string) {
 			}()
 			b.Header("Content-Type", bodyWriter.FormDataContentType())
 			b.req.Body = ioutil.NopCloser(pr)
+			b.Header("Transfer-Encoding", "chunked")
 			return
 		}
 

logs/console_test.go

@@ -16,6 +16,7 @@ package logs
 
 import (
 	"testing"
+	"time"
 )
 
 // Try each log level in decreasing order of priority.
@@ -49,3 +50,15 @@ func TestConsoleNoColor(t *testing.T) {
 	log.SetLogger("console", `{"color":false}`)
 	testConsoleCalls(log)
 }
+
+// Test console async
+func TestConsoleAsync(t *testing.T) {
+	log := NewLogger(100)
+	log.SetLogger("console")
+	log.Async()
+	//log.Close()
+	testConsoleCalls(log)
+	for len(log.msgChan) != 0 {
+		time.Sleep(1 * time.Millisecond)
+	}
+}

logs/es/es.go

@@ -1,14 +1,17 @@
 package es
 
 import (
+	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
-	"net"
 	"net/url"
+	"strings"
 	"time"
 
-	"github.com/OwnLocal/goes"
+	"github.com/elastic/go-elasticsearch/v6"
+	"github.com/elastic/go-elasticsearch/v6/esapi"
+
 	"github.com/astaxie/beego/logs"
 )
 
@@ -20,8 +23,14 @@ func NewES() logs.Logger {
 	return cw
 }
 
+// esLogger will log msg into ES
+// before you using this implementation,
+// please import this package
+// usually means that you can import this package in your main package
+// for example, anonymous:
+// import _ "github.com/astaxie/beego/logs/es"
 type esLogger struct {
-	*goes.Client
+	*elasticsearch.Client
 	DSN   string `json:"dsn"`
 	Level int    `json:"level"`
 }
@@ -38,10 +47,13 @@ func (el *esLogger) Init(jsonconfig string) error {
 		return err
 	} else if u.Path == "" {
 		return errors.New("missing prefix")
-	} else if host, port, err := net.SplitHostPort(u.Host); err != nil {
-		return err
 	} else {
-		conn := goes.NewClient(host, port)
+		conn, err := elasticsearch.NewClient(elasticsearch.Config{
+			Addresses: []string{el.DSN},
+		})
+		if err != nil {
+			return err
+		}
 		el.Client = conn
 	}
 	return nil
@@ -53,21 +65,26 @@ func (el *esLogger) WriteMsg(when time.Time, msg string, level int) error {
 		return nil
 	}
 
-	vals := make(map[string]interface{})
+	idx := LogDocument{
-	vals["@timestamp"] = when.Format(time.RFC3339)
+		Timestamp: when.Format(time.RFC3339),
-	vals["@msg"] = msg
+		Msg:       msg,
-	d := goes.Document{
-		Index:  fmt.Sprintf("%04d.%02d.%02d", when.Year(), when.Month(), when.Day()),
-		Type:   "logs",
-		Fields: vals,
 	}
-	_, err := el.Index(d, nil)
+
+	body, err := json.Marshal(idx)
+	if err != nil {
+		return err
+	}
+	req := esapi.IndexRequest{
+		Index:        fmt.Sprintf("%04d.%02d.%02d", when.Year(), when.Month(), when.Day()),
+		DocumentType: "logs",
+		Body:         strings.NewReader(string(body)),
+	}
+	_, err = req.Do(context.Background(), el.Client)
 	return err
 }
 
 // Destroy is a empty method
 func (el *esLogger) Destroy() {
-
 }
 
 // Flush is a empty method
@@ -75,7 +92,11 @@ func (el *esLogger) Flush() {
 
 }
 
+type LogDocument struct {
+	Timestamp string `json:"timestamp"`
+	Msg       string `json:"msg"`
+}
+
 func init() {
 	logs.Register(logs.AdapterEs, NewES)
 }
-

logs/file.go

@@ -359,6 +359,10 @@ RESTART_LOGGER:
 
 func (w *fileLogWriter) deleteOldLog() {
 	dir := filepath.Dir(w.Filename)
+	absolutePath, err := filepath.EvalSymlinks(w.Filename)
+	if err == nil {
+		dir = filepath.Dir(absolutePath)
+	}
 	filepath.Walk(dir, func(path string, info os.FileInfo, err error) (returnErr error) {
 		defer func() {
 			if r := recover(); r != nil {

logs/log.go

@@ -295,7 +295,11 @@ func (bl *BeeLogger) writeMsg(logLevel int, msg string, v ...interface{}) error
 		lm.level = logLevel
 		lm.msg = msg
 		lm.when = when
+		if bl.outputs != nil {
 			bl.msgChan <- lm
+		} else {
+			logMsgPool.Put(lm)
+		}
 	} else {
 		bl.writeToLoggers(when, msg, logLevel)
 	}

metric/prometheus.go

@@ -0,0 +1,99 @@
+// Copyright 2020 astaxie
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metric
+
+import (
+	"net/http"
+	"reflect"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+
+	"github.com/astaxie/beego"
+	"github.com/astaxie/beego/logs"
+)
+
+func PrometheusMiddleWare(next http.Handler) http.Handler {
+	summaryVec := prometheus.NewSummaryVec(prometheus.SummaryOpts{
+		Name:      "beego",
+		Subsystem: "http_request",
+		ConstLabels: map[string]string{
+			"server":  beego.BConfig.ServerName,
+			"env":     beego.BConfig.RunMode,
+			"appname": beego.BConfig.AppName,
+		},
+		Help: "The statics info for http request",
+	}, []string{"pattern", "method", "status", "duration"})
+
+	prometheus.MustRegister(summaryVec)
+
+	registerBuildInfo()
+
+	return http.HandlerFunc(func(writer http.ResponseWriter, q *http.Request) {
+		start := time.Now()
+		next.ServeHTTP(writer, q)
+		end := time.Now()
+		go report(end.Sub(start), writer, q, summaryVec)
+	})
+}
+
+func registerBuildInfo() {
+	buildInfo := prometheus.NewGaugeVec(prometheus.GaugeOpts{
+		Name:      "beego",
+		Subsystem: "build_info",
+		Help:      "The building information",
+		ConstLabels: map[string]string{
+			"appname": beego.BConfig.AppName,
+			"build_version":  beego.BuildVersion,
+			"build_revision": beego.BuildGitRevision,
+			"build_status":   beego.BuildStatus,
+			"build_tag":      beego.BuildTag,
+			"build_time": strings.Replace(beego.BuildTime, "--", " ", 1),
+			"go_version":     beego.GoVersion,
+			"git_branch":     beego.GitBranch,
+			"start_time": time.Now().Format("2006-01-02 15:04:05"),
+		},
+	}, []string{})
+
+	prometheus.MustRegister(buildInfo)
+	buildInfo.WithLabelValues().Set(1)
+}
+
+func report(dur time.Duration, writer http.ResponseWriter, q *http.Request, vec *prometheus.SummaryVec) {
+	ctrl := beego.BeeApp.Handlers
+	ctx := ctrl.GetContext()
+	ctx.Reset(writer, q)
+	defer ctrl.GiveBackContext(ctx)
+
+	// We cannot read the status code from q.Response.StatusCode
+	// since the http server does not set q.Response. So q.Response is nil
+	// Thus, we use reflection to read the status from writer whose concrete type is http.response
+	responseVal := reflect.ValueOf(writer).Elem()
+	field := responseVal.FieldByName("status")
+	status := -1
+	if field.IsValid() && field.Kind() == reflect.Int {
+		status = int(field.Int())
+	}
+	ptn := "UNKNOWN"
+	if rt, found := ctrl.FindRouter(ctx); found {
+		ptn = rt.GetPattern()
+	} else {
+		logs.Warn("we can not find the router info for this request, so request will be recorded as UNKNOWN: " + q.URL.String())
+	}
+	ms := dur / time.Millisecond
+	vec.WithLabelValues(ptn, q.Method, strconv.Itoa(status), strconv.Itoa(int(ms))).Observe(float64(ms))
+}

metric/prometheus_test.go

@@ -0,0 +1,42 @@
+// Copyright 2020 astaxie
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metric
+
+import (
+	"net/http"
+	"net/url"
+	"testing"
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+
+	"github.com/astaxie/beego/context"
+)
+
+func TestPrometheusMiddleWare(t *testing.T) {
+	middleware := PrometheusMiddleWare(http.HandlerFunc(func(http.ResponseWriter, *http.Request) {}))
+	writer := &context.Response{}
+	request := &http.Request{
+		URL: &url.URL{
+			Host:    "localhost",
+			RawPath: "/a/b/c",
+		},
+		Method: "POST",
+	}
+	vec := prometheus.NewSummaryVec(prometheus.SummaryOpts{}, []string{"pattern", "method", "status", "duration"})
+
+	report(time.Second, writer, request, vec)
+	middleware.ServeHTTP(writer, request)
+}

orm/db.go

@@ -470,7 +470,7 @@ func (d *dbBase) InsertValue(q dbQuerier, mi *modelInfo, isMulti bool, names []s
 
 	multi := len(values) / len(names)
 
-	if isMulti {
+	if isMulti && multi > 1 {
 		qmarks = strings.Repeat(qmarks+"), (", multi-1) + qmarks
 	}
 
@@ -770,6 +770,16 @@ func (d *dbBase) UpdateBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
 				cols = append(cols, col+" = "+col+" * ?")
 			case ColExcept:
 				cols = append(cols, col+" = "+col+" / ?")
+			case ColBitAnd:
+				cols = append(cols, col+" = "+col+" & ?")
+			case ColBitRShift:
+				cols = append(cols, col+" = "+col+" >> ?")
+			case ColBitLShift:
+				cols = append(cols, col+" = "+col+" << ?")
+			case ColBitXOR:
+				cols = append(cols, col+" = "+col+" ^ ?")
+			case ColBitOr:
+				cols = append(cols, col+" = "+col+" | ?")
 			}
 			values[i] = c.value
 		} else {

orm/db_alias.go

@@ -18,6 +18,7 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
+	lru "github.com/hashicorp/golang-lru"
 	"reflect"
 	"sync"
 	"time"
@@ -107,7 +108,7 @@ func (ac *_dbCache) getDefault() (al *alias) {
 type DB struct {
 	*sync.RWMutex
 	DB             *sql.DB
-	stmts map[string]*sql.Stmt
+	stmtDecorators *lru.Cache
 }
 
 func (d *DB) Begin() (*sql.Tx, error) {
@@ -118,22 +119,36 @@ func (d *DB) BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error)
 	return d.DB.BeginTx(ctx, opts)
 }
 
-func (d *DB) getStmt(query string) (*sql.Stmt, error) {
+//su must call release to release *sql.Stmt after using
+func (d *DB) getStmtDecorator(query string) (*stmtDecorator, error) {
 	d.RLock()
-	if stmt, ok := d.stmts[query]; ok {
+	c, ok := d.stmtDecorators.Get(query)
+	if ok {
+		c.(*stmtDecorator).acquire()
 		d.RUnlock()
-		return stmt, nil
+		return c.(*stmtDecorator), nil
 	}
 	d.RUnlock()
 
+	d.Lock()
+	c, ok = d.stmtDecorators.Get(query)
+	if ok {
+		c.(*stmtDecorator).acquire()
+		d.Unlock()
+		return c.(*stmtDecorator), nil
+	}
+
 	stmt, err := d.Prepare(query)
 	if err != nil {
+		d.Unlock()
 		return nil, err
 	}
-	d.Lock()
+	sd := newStmtDecorator(stmt)
-	d.stmts[query] = stmt
+	sd.acquire()
+	d.stmtDecorators.Add(query, sd)
 	d.Unlock()
-	return stmt, nil
+
+	return sd, nil
 }
 
 func (d *DB) Prepare(query string) (*sql.Stmt, error) {
@@ -145,52 +160,63 @@ func (d *DB) PrepareContext(ctx context.Context, query string) (*sql.Stmt, error
 }
 
 func (d *DB) Exec(query string, args ...interface{}) (sql.Result, error) {
-	stmt, err := d.getStmt(query)
+	sd, err := d.getStmtDecorator(query)
 	if err != nil {
 		return nil, err
 	}
+	stmt := sd.getStmt()
+	defer sd.release()
 	return stmt.Exec(args...)
 }
 
 func (d *DB) ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error) {
-	stmt, err := d.getStmt(query)
+	sd, err := d.getStmtDecorator(query)
 	if err != nil {
 		return nil, err
 	}
+	stmt := sd.getStmt()
+	defer sd.release()
 	return stmt.ExecContext(ctx, args...)
 }
 
 func (d *DB) Query(query string, args ...interface{}) (*sql.Rows, error) {
-	stmt, err := d.getStmt(query)
+	sd, err := d.getStmtDecorator(query)
 	if err != nil {
 		return nil, err
 	}
+	stmt := sd.getStmt()
+	defer sd.release()
 	return stmt.Query(args...)
 }
 
 func (d *DB) QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error) {
-	stmt, err := d.getStmt(query)
+	sd, err := d.getStmtDecorator(query)
 	if err != nil {
 		return nil, err
 	}
+	stmt := sd.getStmt()
+	defer sd.release()
 	return stmt.QueryContext(ctx, args...)
 }
 
 func (d *DB) QueryRow(query string, args ...interface{}) *sql.Row {
-	stmt, err := d.getStmt(query)
+	sd, err := d.getStmtDecorator(query)
 	if err != nil {
 		panic(err)
 	}
+	stmt := sd.getStmt()
+	defer sd.release()
 	return stmt.QueryRow(args...)
 
 }
 
 func (d *DB) QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row {
-
+	sd, err := d.getStmtDecorator(query)
-	stmt, err := d.getStmt(query)
 	if err != nil {
 		panic(err)
 	}
+	stmt := sd.getStmt()
+	defer sd.release()
 	return stmt.QueryRowContext(ctx, args)
 }
 
@@ -270,7 +296,7 @@ func addAliasWthDB(aliasName, driverName string, db *sql.DB) (*alias, error) {
 	al.DB = &DB{
 		RWMutex:        new(sync.RWMutex),
 		DB:             db,
-		stmts:   make(map[string]*sql.Stmt),
+		stmtDecorators: newStmtDecoratorLruWithEvict(),
 	}
 
 	if dr, ok := drivers[driverName]; ok {
@@ -374,6 +400,7 @@ func SetMaxIdleConns(aliasName string, maxIdleConns int) {
 func SetMaxOpenConns(aliasName string, maxOpenConns int) {
 	al := getDbAlias(aliasName)
 	al.MaxOpenConns = maxOpenConns
+	al.DB.DB.SetMaxOpenConns(maxOpenConns)
 	// for tip go 1.2
 	if fun := reflect.ValueOf(al.DB).MethodByName("SetMaxOpenConns"); fun.IsValid() {
 		fun.Call([]reflect.Value{reflect.ValueOf(maxOpenConns)})
@@ -395,3 +422,44 @@ func GetDB(aliasNames ...string) (*sql.DB, error) {
 	}
 	return nil, fmt.Errorf("DataBase of alias name `%s` not found", name)
 }
+
+type stmtDecorator struct {
+	wg sync.WaitGroup
+	lastUse int64
+	stmt *sql.Stmt
+}
+
+func (s *stmtDecorator) getStmt() *sql.Stmt {
+	return s.stmt
+}
+
+func (s *stmtDecorator) acquire() {
+	s.wg.Add(1)
+	s.lastUse = time.Now().Unix()
+}
+
+func (s *stmtDecorator) release() {
+	s.wg.Done()
+}
+
+//garbage recycle for stmt
+func (s *stmtDecorator) destroy() {
+	go func() {
+		s.wg.Wait()
+		_ = s.stmt.Close()
+	}()
+}
+
+func newStmtDecorator(sqlStmt *sql.Stmt) *stmtDecorator {
+	return &stmtDecorator{
+		stmt: sqlStmt,
+		lastUse: time.Now().Unix(),
+	}
+}
+
+func newStmtDecoratorLruWithEvict() *lru.Cache {
+	cache, _ := lru.NewWithEvict(1000, func(key interface{}, value interface{}) {
+		value.(*stmtDecorator).destroy()
+	})
+	return cache
+}

orm/db_sqlite.go

@@ -17,6 +17,8 @@ package orm
 import (
 	"database/sql"
 	"fmt"
+	"reflect"
+	"time"
 )
 
 // sqlite operators.
@@ -66,6 +68,14 @@ type dbBaseSqlite struct {
 
 var _ dbBaser = new(dbBaseSqlite)
 
+// override base db read for update behavior as SQlite does not support syntax
+func (d *dbBaseSqlite) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location, cols []string, isForUpdate bool) error {
+	if isForUpdate {
+		DebugLog.Println("[WARN] SQLite does not support SELECT FOR UPDATE query, isForUpdate param is ignored and always as false to do the work")
+	}
+	return d.dbBase.Read(q, mi, ind, tz, cols, false)
+}
+
 // get sqlite operator.
 func (d *dbBaseSqlite) OperatorSQL(operator string) string {
 	return sqliteOperators[operator]

orm/models_boot.go

@@ -18,6 +18,7 @@ import (
 	"fmt"
 	"os"
 	"reflect"
+	"runtime/debug"
 	"strings"
 )
 
@@ -298,6 +299,7 @@ func bootStrap() {
 end:
 	if err != nil {
 		fmt.Println(err)
+		debug.PrintStack()
 		os.Exit(2)
 	}
 }

orm/orm.go

@@ -561,7 +561,7 @@ func NewOrmWithDB(driverName, aliasName string, db *sql.DB) (Ormer, error) {
 	al.DB = &DB{
 		RWMutex:        new(sync.RWMutex),
 		DB:             db,
-		stmts:   make(map[string]*sql.Stmt),
+		stmtDecorators: newStmtDecoratorLruWithEvict(),
 	}
 
 	detectTZ(al)

orm/orm_queryset.go

@@ -32,6 +32,11 @@ const (
 	ColMinus
 	ColMultiply
 	ColExcept
+	ColBitAnd
+	ColBitRShift
+	ColBitLShift
+	ColBitXOR
+	ColBitOr
 )
 
 // ColValue do the field raw changes. e.g Nums = Nums + 10. usage:
@@ -40,7 +45,8 @@ const (
 // 	}
 func ColValue(opt operator, value interface{}) interface{} {
 	switch opt {
-	case ColAdd, ColMinus, ColMultiply, ColExcept:
+	case ColAdd, ColMinus, ColMultiply, ColExcept, ColBitAnd, ColBitRShift,
+		ColBitLShift, ColBitXOR, ColBitOr:
 	default:
 		panic(fmt.Errorf("orm.ColValue wrong operator"))
 	}

parser.go

@@ -500,7 +500,7 @@ func genRouterCode(pkgRealpath string) {
     beego.GlobalControllerRouter["` + k + `"] = append(beego.GlobalControllerRouter["` + k + `"],
         beego.ControllerComments{
             Method: "` + strings.TrimSpace(c.Method) + `",
-            ` + "Router: `" + c.Router + "`" + `,
+            ` + `Router: "` + c.Router + `"` + `,
             AllowHTTPMethods: ` + allmethod + `,
             MethodParams: ` + methodParams + `,
             Filters: ` + filters + `,

router.go

@@ -18,6 +18,7 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
+	"os"
 	"path"
 	"path/filepath"
 	"reflect"
@@ -121,6 +122,10 @@ type ControllerInfo struct {
 	methodParams   []*param.MethodParam
 }
 
+func (c *ControllerInfo) GetPattern() string {
+	return c.pattern
+}
+
 // ControllerRegister containers registered router rules, controller handlers and filters.
 type ControllerRegister struct {
 	routers      map[string]*Tree
@@ -249,10 +254,23 @@ func (p *ControllerRegister) addToRouter(method, pattern string, r *ControllerIn
 func (p *ControllerRegister) Include(cList ...ControllerInterface) {
 	if BConfig.RunMode == DEV {
 		skip := make(map[string]bool, 10)
+		wgopath := utils.GetGOPATHs()
+		go111module := os.Getenv(`GO111MODULE`)
 		for _, c := range cList {
 			reflectVal := reflect.ValueOf(c)
 			t := reflect.Indirect(reflectVal).Type()
-			wgopath := utils.GetGOPATHs()
+			// for go modules
+			if go111module == `on` {
+				pkgpath := filepath.Join(WorkPath, "..", t.PkgPath())
+				if utils.FileExists(pkgpath) {
+					if pkgpath != "" {
+						if _, ok := skip[pkgpath]; !ok {
+							skip[pkgpath] = true
+							parserPkg(pkgpath, t.PkgPath())
+						}
+					}
+				}
+			} else {
 				if len(wgopath) == 0 {
 					panic("you are in dev mode. So please set gopath")
 				}
@@ -272,6 +290,7 @@ func (p *ControllerRegister) Include(cList ...ControllerInterface) {
 				}
 			}
 		}
+	}
 	for _, c := range cList {
 		reflectVal := reflect.ValueOf(c)
 		t := reflect.Indirect(reflectVal).Type()
@@ -288,6 +307,21 @@ func (p *ControllerRegister) Include(cList ...ControllerInterface) {
 	}
 }
 
+// GetContext returns a context from pool, so usually you should remember to call Reset function to clean the context
+// And don't forget to give back context to pool
+// example:
+//  ctx := p.GetContext()
+//  ctx.Reset(w, q)
+//  defer p.GiveBackContext(ctx)
+func (p *ControllerRegister) GetContext() *beecontext.Context {
+	return p.pool.Get().(*beecontext.Context)
+}
+
+// GiveBackContext put the ctx into pool so that it could be reuse
+func (p *ControllerRegister) GiveBackContext(ctx *beecontext.Context) {
+	p.pool.Put(ctx)
+}
+
 // Get add get method
 // usage:
 //    Get("/", func(ctx *context.Context){
@@ -667,10 +701,11 @@ func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 		routerInfo   *ControllerInfo
 		isRunnable   bool
 	)
-	context := p.pool.Get().(*beecontext.Context)
+	context := p.GetContext()
+
 	context.Reset(rw, r)
 
-	defer p.pool.Put(context)
+	defer p.GiveBackContext(context)
 	if BConfig.RecoverFunc != nil {
 		defer BConfig.RecoverFunc(context)
 	}
@@ -750,6 +785,11 @@ func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 		}
 	}
 
+	if routerInfo != nil {
+		// store router pattern into context
+		context.Input.SetData("RouterPattern", routerInfo.pattern)
+	}
+
 	// execute middleware filters
 	if len(p.filters[BeforeExec]) > 0 && p.execFilter(context, urlPath, BeforeExec) {
 		goto Admin
@@ -761,8 +801,6 @@ func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 	}
 
 	if routerInfo != nil {
-		//store router pattern into context
-		context.Input.SetData("RouterPattern", routerInfo.pattern)
 		if routerInfo.routerType == routerTypeRESTFul {
 			if _, ok := routerInfo.methods[r.Method]; ok {
 				isRunnable = true

scripts/gobuild.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+
+# WARNING: DO NOT EDIT, THIS FILE IS PROBABLY A COPY
+#
+# The original version of this file is located in the https://github.com/istio/common-files repo.
+# If you're looking at this file in a different repo and want to make a change, please go to the
+# common-files repo, make the change there and check it in. Then come back to this repo and run
+# "make update-common".
+
+# Copyright Istio Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script builds and version stamps the output
+
+# adatp to beego
+
+VERBOSE=${VERBOSE:-"0"}
+V=""
+if [[ "${VERBOSE}" == "1" ]];then
+    V="-x"
+    set -x
+fi
+
+SCRIPTPATH="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+OUT=${1:?"output path"}
+shift
+
+set -e
+
+BUILD_GOOS=${GOOS:-linux}
+BUILD_GOARCH=${GOARCH:-amd64}
+GOBINARY=${GOBINARY:-go}
+GOPKG="$GOPATH/pkg"
+BUILDINFO=${BUILDINFO:-""}
+STATIC=${STATIC:-1}
+LDFLAGS=${LDFLAGS:--extldflags -static}
+GOBUILDFLAGS=${GOBUILDFLAGS:-""}
+# Split GOBUILDFLAGS by spaces into an array called GOBUILDFLAGS_ARRAY.
+IFS=' ' read -r -a GOBUILDFLAGS_ARRAY <<< "$GOBUILDFLAGS"
+
+GCFLAGS=${GCFLAGS:-}
+export CGO_ENABLED=0
+
+if [[ "${STATIC}" !=  "1" ]];then
+    LDFLAGS=""
+fi
+
+# gather buildinfo if not already provided
+# For a release build BUILDINFO should be produced
+# at the beginning of the build and used throughout
+if [[ -z ${BUILDINFO} ]];then
+    BUILDINFO=$(mktemp)
+    "${SCRIPTPATH}/report_build_info.sh" > "${BUILDINFO}"
+fi
+
+
+# BUILD LD_EXTRAFLAGS
+LD_EXTRAFLAGS=""
+
+while read -r line; do
+    LD_EXTRAFLAGS="${LD_EXTRAFLAGS} -X ${line}"
+done < "${BUILDINFO}"
+
+# verify go version before build
+# NB. this was copied verbatim from Kubernetes hack
+minimum_go_version=go1.13 # supported patterns: go1.x, go1.x.x (x should be a number)
+IFS=" " read -ra go_version <<< "$(${GOBINARY} version)"
+if [[ "${minimum_go_version}" != $(echo -e "${minimum_go_version}\n${go_version[2]}" | sort -s -t. -k 1,1 -k 2,2n -k 3,3n | head -n1) && "${go_version[2]}" != "devel" ]]; then
+    echo "Warning: Detected that you are using an older version of the Go compiler. Beego requires ${minimum_go_version} or greater."
+fi
+
+CURRENT_BRANCH=$(git branch | grep '*')
+CURRENT_BRANCH=${CURRENT_BRANCH:2}
+
+BUILD_TIME=$(date +%Y-%m-%d--%T)
+
+LD_EXTRAFLAGS="${LD_EXTRAFLAGS} -X github.com/astaxie/beego.GoVersion=${go_version[2]:2}"
+LD_EXTRAFLAGS="${LD_EXTRAFLAGS} -X github.com/astaxie/beego.GitBranch=${CURRENT_BRANCH}"
+LD_EXTRAFLAGS="${LD_EXTRAFLAGS} -X github.com/astaxie/beego.BuildTime=$BUILD_TIME"
+
+OPTIMIZATION_FLAGS="-trimpath"
+if [ "${DEBUG}" == "1" ]; then
+    OPTIMIZATION_FLAGS=""
+fi
+
+
+
+echo "BUILD_GOARCH: $BUILD_GOARCH"
+echo "GOPKG: $GOPKG"
+echo "LD_EXTRAFLAGS: $LD_EXTRAFLAGS"
+echo "GO_VERSION: ${go_version[2]}"
+echo "BRANCH: $CURRENT_BRANCH"
+echo "BUILD_TIME: $BUILD_TIME"
+
+time GOOS=${BUILD_GOOS} GOARCH=${BUILD_GOARCH} ${GOBINARY} build \
+        ${V} "${GOBUILDFLAGS_ARRAY[@]}" ${GCFLAGS:+-gcflags "${GCFLAGS}"} \
+        -o "${OUT}" \
+        ${OPTIMIZATION_FLAGS} \
+        -pkgdir="${GOPKG}/${BUILD_GOOS}_${BUILD_GOARCH}" \
+        -ldflags "${LDFLAGS} ${LD_EXTRAFLAGS}" "${@}"

scripts/report_build_info.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+# WARNING: DO NOT EDIT, THIS FILE IS PROBABLY A COPY
+#
+# The original version of this file is located in the https://github.com/istio/common-files repo.
+# If you're looking at this file in a different repo and want to make a change, please go to the
+# common-files repo, make the change there and check it in. Then come back to this repo and run
+# "make update-common".
+
+# Copyright Istio Authors
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+# adapt to beego
+
+if BUILD_GIT_REVISION=$(git rev-parse HEAD 2> /dev/null); then
+  if [[ -n "$(git status --porcelain 2>/dev/null)" ]]; then
+    BUILD_GIT_REVISION=${BUILD_GIT_REVISION}"-dirty"
+  fi
+else
+  BUILD_GIT_REVISION=unknown
+fi
+
+# Check for local changes
+if git diff-index --quiet HEAD --; then
+  tree_status="Clean"
+else
+  tree_status="Modified"
+fi
+
+# security wanted VERSION='unknown'
+VERSION="${BUILD_GIT_REVISION}"
+if [[ -n ${BEEGO_VERSION} ]]; then
+  VERSION="${BEEGO_VERSION}"
+fi
+
+GIT_DESCRIBE_TAG=$(git describe --tags)
+
+echo "github.com/astaxie/beego.BuildVersion=${VERSION}"
+echo "github.com/astaxie/beego.BuildGitRevision=${BUILD_GIT_REVISION}"
+echo "github.com/astaxie/beego.BuildStatus=${tree_status}"
+echo "github.com/astaxie/beego.BuildTag=${GIT_DESCRIBE_TAG}"

session/ledis/ledis_session.go

@@ -7,9 +7,10 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/ledisdb/ledisdb/config"
+	"github.com/ledisdb/ledisdb/ledis"
+
 	"github.com/astaxie/beego/session"
-	"github.com/siddontang/ledisdb/config"
-	"github.com/siddontang/ledisdb/ledis"
 )
 
 var (

session/sess_cookie.go

@@ -74,7 +74,9 @@ func (st *CookieSessionStore) SessionID() string {
 
 // SessionRelease Write cookie session to http response cookie
 func (st *CookieSessionStore) SessionRelease(w http.ResponseWriter) {
+	st.lock.Lock()
 	encodedCookie, err := encodeCookie(cookiepder.block, cookiepder.config.SecurityKey, cookiepder.config.SecurityName, st.values)
+	st.lock.Unlock()
 	if err == nil {
 		cookie := &http.Cookie{Name: cookiepder.config.CookieName,
 			Value:    url.QueryEscape(encodedCookie),

session/sess_file.go

@@ -129,8 +129,9 @@ func (fp *FileProvider) SessionInit(maxlifetime int64, savePath string) error {
 // if file is not exist, create it.
 // the file path is generated from sid string.
 func (fp *FileProvider) SessionRead(sid string) (Store, error) {
-	if strings.ContainsAny(sid, "./") {
+	invalidChars := "./"
-		return nil, nil
+	if strings.ContainsAny(sid, invalidChars) {
+		return nil, errors.New("the sid shouldn't have following characters: " + invalidChars)
 	}
 	if len(sid) < 2 {
 		return nil, errors.New("length of the sid is less than 2")
@@ -138,7 +139,7 @@ func (fp *FileProvider) SessionRead(sid string) (Store, error) {
 	filepder.lock.Lock()
 	defer filepder.lock.Unlock()
 
-	err := os.MkdirAll(path.Join(fp.savePath, string(sid[0]), string(sid[1])), 0777)
+	err := os.MkdirAll(path.Join(fp.savePath, string(sid[0]), string(sid[1])), 0755)
 	if err != nil {
 		SLogger.Println(err.Error())
 	}
@@ -231,7 +232,7 @@ func (fp *FileProvider) SessionRegenerate(oldsid, sid string) (Store, error) {
 		return nil, fmt.Errorf("newsid %s exist", newSidFile)
 	}
 
-	err = os.MkdirAll(newPath, 0777)
+	err = os.MkdirAll(newPath, 0755)
 	if err != nil {
 		SLogger.Println(err.Error())
 	}

staticfile.go

@@ -28,6 +28,7 @@ import (
 
 	"github.com/astaxie/beego/context"
 	"github.com/astaxie/beego/logs"
+	"github.com/hashicorp/golang-lru"
 )
 
 var errNotStaticRequest = errors.New("request not a static file request")
@@ -67,6 +68,10 @@ func serverStaticRouter(ctx *context.Context) {
 			http.ServeFile(ctx.ResponseWriter, ctx.Request, filePath)
 		}
 		return
+	} else if fileInfo.Size() > int64(BConfig.WebConfig.StaticCacheFileSize) {
+		//over size file serve with http module
+		http.ServeFile(ctx.ResponseWriter, ctx.Request, filePath)
+		return
 	}
 
 	var enableCompress = BConfig.EnableGzip && isStaticCompress(filePath)
@@ -96,6 +101,7 @@ type serveContentHolder struct {
 	data       []byte
 	modTime    time.Time
 	size       int64
+	originSize int64 //original file size:to judge file changed
 	encoding   string
 }
 
@@ -104,22 +110,36 @@ type serveContentReader struct {
 }
 
 var (
-	staticFileMap = make(map[string]*serveContentHolder)
+	staticFileLruCache *lru.Cache
-	mapLock       sync.RWMutex
+	lruLock            sync.RWMutex
 )
 
 func openFile(filePath string, fi os.FileInfo, acceptEncoding string) (bool, string, *serveContentHolder, *serveContentReader, error) {
+	if staticFileLruCache == nil {
+		//avoid lru cache error
+		if BConfig.WebConfig.StaticCacheFileNum >= 1 {
+			staticFileLruCache, _ = lru.New(BConfig.WebConfig.StaticCacheFileNum)
+		} else {
+			staticFileLruCache, _ = lru.New(1)
+		}
+	}
 	mapKey := acceptEncoding + ":" + filePath
-	mapLock.RLock()
+	lruLock.RLock()
-	mapFile := staticFileMap[mapKey]
+	var mapFile *serveContentHolder
-	mapLock.RUnlock()
+	if cacheItem, ok := staticFileLruCache.Get(mapKey); ok {
+		mapFile = cacheItem.(*serveContentHolder)
+	}
+	lruLock.RUnlock()
 	if isOk(mapFile, fi) {
 		reader := &serveContentReader{Reader: bytes.NewReader(mapFile.data)}
 		return mapFile.encoding != "", mapFile.encoding, mapFile, reader, nil
 	}
-	mapLock.Lock()
+	lruLock.Lock()
-	defer mapLock.Unlock()
+	defer lruLock.Unlock()
-	if mapFile = staticFileMap[mapKey]; !isOk(mapFile, fi) {
+	if cacheItem, ok := staticFileLruCache.Get(mapKey); ok {
+		mapFile = cacheItem.(*serveContentHolder)
+	}
+	if !isOk(mapFile, fi) {
 		file, err := os.Open(filePath)
 		if err != nil {
 			return false, "", nil, nil, err
@@ -130,8 +150,10 @@ func openFile(filePath string, fi os.FileInfo, acceptEncoding string) (bool, str
 		if err != nil {
 			return false, "", nil, nil, err
 		}
-		mapFile = &serveContentHolder{data: bufferWriter.Bytes(), modTime: fi.ModTime(), size: int64(bufferWriter.Len()), encoding: n}
+		mapFile = &serveContentHolder{data: bufferWriter.Bytes(), modTime: fi.ModTime(), size: int64(bufferWriter.Len()), originSize: fi.Size(), encoding: n}
-		staticFileMap[mapKey] = mapFile
+		if isOk(mapFile, fi) {
+			staticFileLruCache.Add(mapKey, mapFile)
+		}
 	}
 
 	reader := &serveContentReader{Reader: bytes.NewReader(mapFile.data)}
@@ -141,8 +163,10 @@ func openFile(filePath string, fi os.FileInfo, acceptEncoding string) (bool, str
 func isOk(s *serveContentHolder, fi os.FileInfo) bool {
 	if s == nil {
 		return false
+	} else if s.size > int64(BConfig.WebConfig.StaticCacheFileSize) {
+		return false
 	}
-	return s.modTime == fi.ModTime() && s.size == fi.Size()
+	return s.modTime == fi.ModTime() && s.originSize == fi.Size()
 }
 
 // isStaticCompress detect static files

staticfile_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"compress/gzip"
 	"compress/zlib"
+	"fmt"
 	"io"
 	"io/ioutil"
 	"os"
@@ -53,6 +54,31 @@ func TestOpenStaticFileDeflate_1(t *testing.T) {
 	testOpenFile("deflate", content, t)
 }
 
+func TestStaticCacheWork(t *testing.T) {
+	encodings := []string{"", "gzip", "deflate"}
+
+	fi, _ := os.Stat(licenseFile)
+	for _, encoding := range encodings {
+		_, _, first, _, err := openFile(licenseFile, fi, encoding)
+		if err != nil {
+			t.Error(err)
+			continue
+		}
+
+		_, _, second, _, err := openFile(licenseFile, fi, encoding)
+		if err != nil {
+			t.Error(err)
+			continue
+		}
+
+		address1 := fmt.Sprintf("%p", first)
+		address2 := fmt.Sprintf("%p", second)
+		if address1 != address2 {
+			t.Errorf("encoding '%v' can not hit cache", encoding)
+		}
+	}
+}
+
 func assetOpenFileAndContent(sch *serveContentHolder, reader *serveContentReader, content []byte, t *testing.T) {
 	t.Log(sch.size, len(content))
 	if sch.size != int64(len(content)) {
@@ -66,7 +92,7 @@ func assetOpenFileAndContent(sch *serveContentHolder, reader *serveContentReader
 			t.Fail()
 		}
 	}
-	if len(staticFileMap) == 0 {
+	if staticFileLruCache.Len() == 0 {
 		t.Log("men map is empty")
 		t.Fail()
 	}

toolbox/statistics.go

@@ -117,8 +117,8 @@ func (m *URLMap) GetMap() map[string]interface{} {
 
 // GetMapData return all mapdata
 func (m *URLMap) GetMapData() []map[string]interface{} {
-	m.lock.Lock()
+	m.lock.RLock()
-	defer m.lock.Unlock()
+	defer m.lock.RUnlock()
 
 	var resultLists []map[string]interface{}
 

toolbox/task.go

@@ -33,7 +33,7 @@ type bounds struct {
 // The bounds for each field.
 var (
 	AdminTaskList map[string]Tasker
-	taskLock      sync.Mutex
+	taskLock      sync.RWMutex
 	stop          chan bool
 	changed       chan bool
 	isstart       bool
@@ -408,7 +408,10 @@ func run() {
 	}
 
 	for {
+		// we only use RLock here because NewMapSorter copy the reference, do not change any thing
+		taskLock.RLock()
 		sortList := NewMapSorter(AdminTaskList)
+		taskLock.RUnlock()
 		sortList.Sort()
 		var effective time.Time
 		if len(AdminTaskList) == 0 || sortList.Vals[0].GetNext().IsZero() {
@@ -432,9 +435,11 @@ func run() {
 			continue
 		case <-changed:
 			now = time.Now().Local()
+			taskLock.Lock()
 			for _, t := range AdminTaskList {
 				t.SetNext(now)
 			}
+			taskLock.Unlock()
 			continue
 		case <-stop:
 			return

validation/util.go

@@ -224,7 +224,7 @@ func parseFunc(vfunc, key string, label string) (v ValidFunc, err error) {
 func numIn(name string) (num int, err error) {
 	fn, ok := funcs[name]
 	if !ok {
-		err = fmt.Errorf("doesn't exsits %s valid function", name)
+		err = fmt.Errorf("doesn't exists %s valid function", name)
 		return
 	}
 	// sub *Validation obj and key
@@ -236,7 +236,7 @@ func trim(name, key string, s []string) (ts []interface{}, err error) {
 	ts = make([]interface{}, len(s), len(s)+1)
 	fn, ok := funcs[name]
 	if !ok {
-		err = fmt.Errorf("doesn't exsits %s valid function", name)
+		err = fmt.Errorf("doesn't exists %s valid function", name)
 		return
 	}
 	for i := 0; i < len(s); i++ {

validation/util_test.go

@@ -15,6 +15,7 @@
 package validation
 
 import (
+	"log"
 	"reflect"
 	"testing"
 )
@@ -42,7 +43,7 @@ func TestGetValidFuncs(t *testing.T) {
 	}
 
 	f, _ = tf.FieldByName("Tag")
-	if _, err = getValidFuncs(f); err.Error() != "doesn't exsits Maxx valid function" {
+	if _, err = getValidFuncs(f); err.Error() != "doesn't exists Maxx valid function" {
 		t.Fatal(err)
 	}
 
@@ -80,6 +81,33 @@ func TestGetValidFuncs(t *testing.T) {
 	}
 }
 
+type User struct {
+	Name string `valid:"Required;MaxSize(5)" `
+	Sex  string `valid:"Required;" label:"sex_label"`
+	Age  int    `valid:"Required;Range(1, 140);" label:"age_label"`
+}
+
+func TestValidation(t *testing.T) {
+	u := User{"man1238888456", "", 1140}
+	valid := Validation{}
+	b, err := valid.Valid(&u)
+	if err != nil {
+		// handle error
+	}
+	if !b {
+		// validation does not pass
+		// blabla...
+		for _, err := range valid.Errors {
+			log.Println(err.Key, err.Message)
+		}
+		if len(valid.Errors) != 3 {
+			t.Error("must be has 3 error")
+		}
+	} else {
+		t.Error("must be has 3 error")
+	}
+}
+
 func TestCall(t *testing.T) {
 	u := user{Name: "test", Age: 180}
 	tf := reflect.TypeOf(u)

validation/validation.go

@@ -273,10 +273,13 @@ func (v *Validation) apply(chk Validator, obj interface{}) *Result {
 		Field = parts[0]
 		Name = parts[1]
 		Label = parts[2]
+		if len(Label) == 0 {
+			Label = Field
+		}
 	}
 
 	err := &Error{
-		Message:    Label + chk.DefaultMessage(),
+		Message:    Label + " " + chk.DefaultMessage(),
 		Key:        key,
 		Name:       Name,
 		Field:      Field,
@@ -293,19 +296,25 @@ func (v *Validation) apply(chk Validator, obj interface{}) *Result {
 	}
 }
 
+// key must like aa.bb.cc or aa.bb.
 // AddError adds independent error message for the provided key
 func (v *Validation) AddError(key, message string) {
 	Name := key
 	Field := ""
 
+	Label := ""
 	parts := strings.Split(key, ".")
 	if len(parts) == 3 {
 		Field = parts[0]
 		Name = parts[1]
+		Label = parts[2]
+		if len(Label) == 0 {
+			Label = Field
+		}
 	}
 
 	err := &Error{
-		Message: message,
+		Message: Label + " " + message,
 		Key:     key,
 		Name:    Name,
 		Field:   Field,
@@ -381,7 +390,6 @@ func (v *Validation) Valid(obj interface{}) (b bool, err error) {
 				}
 			}
 
-
 			chk := Required{""}.IsSatisfied(currentField)
 			if !hasRequired && v.RequiredFirst && !chk {
 				if _, ok := CanSkipFuncs[vf.Name]; ok {

validation/validation_test.go

@@ -253,44 +253,68 @@ func TestBase64(t *testing.T) {
 func TestMobile(t *testing.T) {
 	valid := Validation{}
 
-	if valid.Mobile("19800008888", "mobile").Ok {
+	validMobiles := []string{
-		t.Error("\"19800008888\" is a valid mobile phone number should be false")
+		"19800008888",
+		"18800008888",
+		"18000008888",
+		"8618300008888",
+		"+8614700008888",
+		"17300008888",
+		"+8617100008888",
+		"8617500008888",
+		"8617400008888",
+		"16200008888",
+		"16500008888",
+		"16600008888",
+		"16700008888",
+		"13300008888",
+		"14900008888",
+		"15300008888",
+		"17300008888",
+		"17700008888",
+		"18000008888",
+		"18900008888",
+		"19100008888",
+		"19900008888",
+		"19300008888",
+		"13000008888",
+		"13100008888",
+		"13200008888",
+		"14500008888",
+		"15500008888",
+		"15600008888",
+		"16600008888",
+		"17100008888",
+		"17500008888",
+		"17600008888",
+		"18500008888",
+		"18600008888",
+		"13400008888",
+		"13500008888",
+		"13600008888",
+		"13700008888",
+		"13800008888",
+		"13900008888",
+		"14700008888",
+		"15000008888",
+		"15100008888",
+		"15200008888",
+		"15800008888",
+		"15900008888",
+		"17200008888",
+		"17800008888",
+		"18200008888",
+		"18300008888",
+		"18400008888",
+		"18700008888",
+		"18800008888",
+		"19800008888",
 	}
-	if !valid.Mobile("18800008888", "mobile").Ok {
+
-		t.Error("\"18800008888\" is a valid mobile phone number should be true")
+	for _, m := range validMobiles {
+		if !valid.Mobile(m, "mobile").Ok {
+			t.Error(m + " is a valid mobile phone number should be true")
 		}
-	if !valid.Mobile("18000008888", "mobile").Ok {
-		t.Error("\"18000008888\" is a valid mobile phone number should be true")
-	}
-	if !valid.Mobile("8618300008888", "mobile").Ok {
-		t.Error("\"8618300008888\" is a valid mobile phone number should be true")
-	}
-	if !valid.Mobile("+8614700008888", "mobile").Ok {
-		t.Error("\"+8614700008888\" is a valid mobile phone number should be true")
-	}
-	if !valid.Mobile("17300008888", "mobile").Ok {
-		t.Error("\"17300008888\" is a valid mobile phone number should be true")
-	}
-	if !valid.Mobile("+8617100008888", "mobile").Ok {
-		t.Error("\"+8617100008888\" is a valid mobile phone number should be true")
-	}
-	if !valid.Mobile("8617500008888", "mobile").Ok {
-		t.Error("\"8617500008888\" is a valid mobile phone number should be true")
-	}
-	if valid.Mobile("8617400008888", "mobile").Ok {
-		t.Error("\"8617400008888\" is a valid mobile phone number should be false")
-	}
-	if !valid.Mobile("16200008888", "mobile").Ok {
-		t.Error("\"16200008888\" is a valid mobile phone number should be true")
-	}
-	if !valid.Mobile("16500008888", "mobile").Ok {
-		t.Error("\"16500008888\" is a valid mobile phone number should be true")
-	}
-	if !valid.Mobile("16600008888", "mobile").Ok {
-		t.Error("\"16600008888\" is a valid mobile phone number should be true")
-	}
-	if !valid.Mobile("16700008888", "mobile").Ok {
-		t.Error("\"16700008888\" is a valid mobile phone number should be true")
 	}
 }
 
@@ -381,8 +405,8 @@ func TestValid(t *testing.T) {
 	if len(valid.Errors) != 1 {
 		t.Fatalf("valid errors len should be 1 but got %d", len(valid.Errors))
 	}
-	if valid.Errors[0].Key != "Age.Range" {
+	if valid.Errors[0].Key != "Age.Range." {
-		t.Errorf("Message key should be `Name.Match` but got %s", valid.Errors[0].Key)
+		t.Errorf("Message key should be `Age.Range` but got %s", valid.Errors[0].Key)
 	}
 }
 

validation/validators.go

@@ -16,9 +16,11 @@ package validation
 
 import (
 	"fmt"
+	"github.com/astaxie/beego/logs"
 	"reflect"
 	"regexp"
 	"strings"
+	"sync"
 	"time"
 	"unicode/utf8"
 )
@@ -57,6 +59,8 @@ var MessageTmpls = map[string]string{
 	"ZipCode":      "Must be valid zipcode",
 }
 
+var once sync.Once
+
 // SetDefaultMessage set default messages
 // if not set, the default messages are
 //  "Required":     "Can not be empty",
@@ -84,9 +88,12 @@ func SetDefaultMessage(msg map[string]string) {
 		return
 	}
 
+	once.Do(func() {
 		for name := range msg {
 			MessageTmpls[name] = msg[name]
 		}
+	})
+	logs.Warn(`you must SetDefaultMessage at once`)
 }
 
 // Validator interface
@@ -632,7 +639,7 @@ func (b Base64) GetLimitValue() interface{} {
 }
 
 // just for chinese mobile phone number
-var mobilePattern = regexp.MustCompile(`^((\+86)|(86))?(1(([35][0-9])|[8][0-9]|[7][01356789]|[4][579]|[6][2567]))\d{8}$`)
+var mobilePattern = regexp.MustCompile(`^((\+86)|(86))?1([356789][0-9]|4[579]|6[67]|7[0135678]|9[189])[0-9]{8}$`)
 
 // Mobile check struct
 type Mobile struct {

vendor/golang.org/x/crypto/LICENSE

@@ -1,27 +0,0 @@
-Copyright (c) 2009 The Go Authors. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/golang.org/x/crypto/PATENTS

@@ -1,22 +0,0 @@
-Additional IP Rights Grant (Patents)
-
-"This implementation" means the copyrightable works distributed by
-Google as part of the Go project.
-
-Google hereby grants to You a perpetual, worldwide, non-exclusive,
-no-charge, royalty-free, irrevocable (except as stated in this section)
-patent license to make, have made, use, offer to sell, sell, import,
-transfer and otherwise run, modify and propagate the contents of this
-implementation of Go, where such license applies only to those patent
-claims, both currently owned or controlled by Google and acquired in
-the future, licensable by Google that are necessarily infringed by this
-implementation of Go.  This grant does not include claims that would be
-infringed only as a consequence of further modification of this
-implementation.  If you or your agent or exclusive licensee institute or
-order or agree to the institution of patent litigation against any
-entity (including a cross-claim or counterclaim in a lawsuit) alleging
-that this implementation of Go or any code incorporated within this
-implementation of Go constitutes direct or contributory patent
-infringement, or inducement of patent infringement, then any patent
-rights granted to you under this License for this implementation of Go
-shall terminate as of the date such litigation is filed.

vendor/golang.org/x/crypto/acme/acme.go

@@ -1,921 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package acme provides an implementation of the
-// Automatic Certificate Management Environment (ACME) spec.
-// See https://tools.ietf.org/html/draft-ietf-acme-acme-02 for details.
-//
-// Most common scenarios will want to use autocert subdirectory instead,
-// which provides automatic access to certificates from Let's Encrypt
-// and any other ACME-based CA.
-//
-// This package is a work in progress and makes no API stability promises.
-package acme
-
-import (
-	"context"
-	"crypto"
-	"crypto/ecdsa"
-	"crypto/elliptic"
-	"crypto/rand"
-	"crypto/sha256"
-	"crypto/tls"
-	"crypto/x509"
-	"crypto/x509/pkix"
-	"encoding/asn1"
-	"encoding/base64"
-	"encoding/hex"
-	"encoding/json"
-	"encoding/pem"
-	"errors"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"math/big"
-	"net/http"
-	"strings"
-	"sync"
-	"time"
-)
-
-const (
-	// LetsEncryptURL is the Directory endpoint of Let's Encrypt CA.
-	LetsEncryptURL = "https://acme-v01.api.letsencrypt.org/directory"
-
-	// ALPNProto is the ALPN protocol name used by a CA server when validating
-	// tls-alpn-01 challenges.
-	//
-	// Package users must ensure their servers can negotiate the ACME ALPN
-	// in order for tls-alpn-01 challenge verifications to succeed.
-	ALPNProto = "acme-tls/1"
-)
-
-// idPeACMEIdentifierV1 is the OID for the ACME extension for the TLS-ALPN challenge.
-var idPeACMEIdentifierV1 = asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 1, 30, 1}
-
-const (
-	maxChainLen = 5       // max depth and breadth of a certificate chain
-	maxCertSize = 1 << 20 // max size of a certificate, in bytes
-
-	// Max number of collected nonces kept in memory.
-	// Expect usual peak of 1 or 2.
-	maxNonces = 100
-)
-
-// Client is an ACME client.
-// The only required field is Key. An example of creating a client with a new key
-// is as follows:
-//
-// 	key, err := rsa.GenerateKey(rand.Reader, 2048)
-// 	if err != nil {
-// 		log.Fatal(err)
-// 	}
-// 	client := &Client{Key: key}
-//
-type Client struct {
-	// Key is the account key used to register with a CA and sign requests.
-	// Key.Public() must return a *rsa.PublicKey or *ecdsa.PublicKey.
-	Key crypto.Signer
-
-	// HTTPClient optionally specifies an HTTP client to use
-	// instead of http.DefaultClient.
-	HTTPClient *http.Client
-
-	// DirectoryURL points to the CA directory endpoint.
-	// If empty, LetsEncryptURL is used.
-	// Mutating this value after a successful call of Client's Discover method
-	// will have no effect.
-	DirectoryURL string
-
-	// RetryBackoff computes the duration after which the nth retry of a failed request
-	// should occur. The value of n for the first call on failure is 1.
-	// The values of r and resp are the request and response of the last failed attempt.
-	// If the returned value is negative or zero, no more retries are done and an error
-	// is returned to the caller of the original method.
-	//
-	// Requests which result in a 4xx client error are not retried,
-	// except for 400 Bad Request due to "bad nonce" errors and 429 Too Many Requests.
-	//
-	// If RetryBackoff is nil, a truncated exponential backoff algorithm
-	// with the ceiling of 10 seconds is used, where each subsequent retry n
-	// is done after either ("Retry-After" + jitter) or (2^n seconds + jitter),
-	// preferring the former if "Retry-After" header is found in the resp.
-	// The jitter is a random value up to 1 second.
-	RetryBackoff func(n int, r *http.Request, resp *http.Response) time.Duration
-
-	dirMu sync.Mutex // guards writes to dir
-	dir   *Directory // cached result of Client's Discover method
-
-	noncesMu sync.Mutex
-	nonces   map[string]struct{} // nonces collected from previous responses
-}
-
-// Discover performs ACME server discovery using c.DirectoryURL.
-//
-// It caches successful result. So, subsequent calls will not result in
-// a network round-trip. This also means mutating c.DirectoryURL after successful call
-// of this method will have no effect.
-func (c *Client) Discover(ctx context.Context) (Directory, error) {
-	c.dirMu.Lock()
-	defer c.dirMu.Unlock()
-	if c.dir != nil {
-		return *c.dir, nil
-	}
-
-	dirURL := c.DirectoryURL
-	if dirURL == "" {
-		dirURL = LetsEncryptURL
-	}
-	res, err := c.get(ctx, dirURL, wantStatus(http.StatusOK))
-	if err != nil {
-		return Directory{}, err
-	}
-	defer res.Body.Close()
-	c.addNonce(res.Header)
-
-	var v struct {
-		Reg    string `json:"new-reg"`
-		Authz  string `json:"new-authz"`
-		Cert   string `json:"new-cert"`
-		Revoke string `json:"revoke-cert"`
-		Meta   struct {
-			Terms   string   `json:"terms-of-service"`
-			Website string   `json:"website"`
-			CAA     []string `json:"caa-identities"`
-		}
-	}
-	if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
-		return Directory{}, err
-	}
-	c.dir = &Directory{
-		RegURL:    v.Reg,
-		AuthzURL:  v.Authz,
-		CertURL:   v.Cert,
-		RevokeURL: v.Revoke,
-		Terms:     v.Meta.Terms,
-		Website:   v.Meta.Website,
-		CAA:       v.Meta.CAA,
-	}
-	return *c.dir, nil
-}
-
-// CreateCert requests a new certificate using the Certificate Signing Request csr encoded in DER format.
-// The exp argument indicates the desired certificate validity duration. CA may issue a certificate
-// with a different duration.
-// If the bundle argument is true, the returned value will also contain the CA (issuer) certificate chain.
-//
-// In the case where CA server does not provide the issued certificate in the response,
-// CreateCert will poll certURL using c.FetchCert, which will result in additional round-trips.
-// In such a scenario, the caller can cancel the polling with ctx.
-//
-// CreateCert returns an error if the CA's response or chain was unreasonably large.
-// Callers are encouraged to parse the returned value to ensure the certificate is valid and has the expected features.
-func (c *Client) CreateCert(ctx context.Context, csr []byte, exp time.Duration, bundle bool) (der [][]byte, certURL string, err error) {
-	if _, err := c.Discover(ctx); err != nil {
-		return nil, "", err
-	}
-
-	req := struct {
-		Resource  string `json:"resource"`
-		CSR       string `json:"csr"`
-		NotBefore string `json:"notBefore,omitempty"`
-		NotAfter  string `json:"notAfter,omitempty"`
-	}{
-		Resource: "new-cert",
-		CSR:      base64.RawURLEncoding.EncodeToString(csr),
-	}
-	now := timeNow()
-	req.NotBefore = now.Format(time.RFC3339)
-	if exp > 0 {
-		req.NotAfter = now.Add(exp).Format(time.RFC3339)
-	}
-
-	res, err := c.post(ctx, c.Key, c.dir.CertURL, req, wantStatus(http.StatusCreated))
-	if err != nil {
-		return nil, "", err
-	}
-	defer res.Body.Close()
-
-	curl := res.Header.Get("Location") // cert permanent URL
-	if res.ContentLength == 0 {
-		// no cert in the body; poll until we get it
-		cert, err := c.FetchCert(ctx, curl, bundle)
-		return cert, curl, err
-	}
-	// slurp issued cert and CA chain, if requested
-	cert, err := c.responseCert(ctx, res, bundle)
-	return cert, curl, err
-}
-
-// FetchCert retrieves already issued certificate from the given url, in DER format.
-// It retries the request until the certificate is successfully retrieved,
-// context is cancelled by the caller or an error response is received.
-//
-// The returned value will also contain the CA (issuer) certificate if the bundle argument is true.
-//
-// FetchCert returns an error if the CA's response or chain was unreasonably large.
-// Callers are encouraged to parse the returned value to ensure the certificate is valid
-// and has expected features.
-func (c *Client) FetchCert(ctx context.Context, url string, bundle bool) ([][]byte, error) {
-	res, err := c.get(ctx, url, wantStatus(http.StatusOK))
-	if err != nil {
-		return nil, err
-	}
-	return c.responseCert(ctx, res, bundle)
-}
-
-// RevokeCert revokes a previously issued certificate cert, provided in DER format.
-//
-// The key argument, used to sign the request, must be authorized
-// to revoke the certificate. It's up to the CA to decide which keys are authorized.
-// For instance, the key pair of the certificate may be authorized.
-// If the key is nil, c.Key is used instead.
-func (c *Client) RevokeCert(ctx context.Context, key crypto.Signer, cert []byte, reason CRLReasonCode) error {
-	if _, err := c.Discover(ctx); err != nil {
-		return err
-	}
-
-	body := &struct {
-		Resource string `json:"resource"`
-		Cert     string `json:"certificate"`
-		Reason   int    `json:"reason"`
-	}{
-		Resource: "revoke-cert",
-		Cert:     base64.RawURLEncoding.EncodeToString(cert),
-		Reason:   int(reason),
-	}
-	if key == nil {
-		key = c.Key
-	}
-	res, err := c.post(ctx, key, c.dir.RevokeURL, body, wantStatus(http.StatusOK))
-	if err != nil {
-		return err
-	}
-	defer res.Body.Close()
-	return nil
-}
-
-// AcceptTOS always returns true to indicate the acceptance of a CA's Terms of Service
-// during account registration. See Register method of Client for more details.
-func AcceptTOS(tosURL string) bool { return true }
-
-// Register creates a new account registration by following the "new-reg" flow.
-// It returns the registered account. The account is not modified.
-//
-// The registration may require the caller to agree to the CA's Terms of Service (TOS).
-// If so, and the account has not indicated the acceptance of the terms (see Account for details),
-// Register calls prompt with a TOS URL provided by the CA. Prompt should report
-// whether the caller agrees to the terms. To always accept the terms, the caller can use AcceptTOS.
-func (c *Client) Register(ctx context.Context, a *Account, prompt func(tosURL string) bool) (*Account, error) {
-	if _, err := c.Discover(ctx); err != nil {
-		return nil, err
-	}
-
-	var err error
-	if a, err = c.doReg(ctx, c.dir.RegURL, "new-reg", a); err != nil {
-		return nil, err
-	}
-	var accept bool
-	if a.CurrentTerms != "" && a.CurrentTerms != a.AgreedTerms {
-		accept = prompt(a.CurrentTerms)
-	}
-	if accept {
-		a.AgreedTerms = a.CurrentTerms
-		a, err = c.UpdateReg(ctx, a)
-	}
-	return a, err
-}
-
-// GetReg retrieves an existing registration.
-// The url argument is an Account URI.
-func (c *Client) GetReg(ctx context.Context, url string) (*Account, error) {
-	a, err := c.doReg(ctx, url, "reg", nil)
-	if err != nil {
-		return nil, err
-	}
-	a.URI = url
-	return a, nil
-}
-
-// UpdateReg updates an existing registration.
-// It returns an updated account copy. The provided account is not modified.
-func (c *Client) UpdateReg(ctx context.Context, a *Account) (*Account, error) {
-	uri := a.URI
-	a, err := c.doReg(ctx, uri, "reg", a)
-	if err != nil {
-		return nil, err
-	}
-	a.URI = uri
-	return a, nil
-}
-
-// Authorize performs the initial step in an authorization flow.
-// The caller will then need to choose from and perform a set of returned
-// challenges using c.Accept in order to successfully complete authorization.
-//
-// If an authorization has been previously granted, the CA may return
-// a valid authorization (Authorization.Status is StatusValid). If so, the caller
-// need not fulfill any challenge and can proceed to requesting a certificate.
-func (c *Client) Authorize(ctx context.Context, domain string) (*Authorization, error) {
-	if _, err := c.Discover(ctx); err != nil {
-		return nil, err
-	}
-
-	type authzID struct {
-		Type  string `json:"type"`
-		Value string `json:"value"`
-	}
-	req := struct {
-		Resource   string  `json:"resource"`
-		Identifier authzID `json:"identifier"`
-	}{
-		Resource:   "new-authz",
-		Identifier: authzID{Type: "dns", Value: domain},
-	}
-	res, err := c.post(ctx, c.Key, c.dir.AuthzURL, req, wantStatus(http.StatusCreated))
-	if err != nil {
-		return nil, err
-	}
-	defer res.Body.Close()
-
-	var v wireAuthz
-	if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
-		return nil, fmt.Errorf("acme: invalid response: %v", err)
-	}
-	if v.Status != StatusPending && v.Status != StatusValid {
-		return nil, fmt.Errorf("acme: unexpected status: %s", v.Status)
-	}
-	return v.authorization(res.Header.Get("Location")), nil
-}
-
-// GetAuthorization retrieves an authorization identified by the given URL.
-//
-// If a caller needs to poll an authorization until its status is final,
-// see the WaitAuthorization method.
-func (c *Client) GetAuthorization(ctx context.Context, url string) (*Authorization, error) {
-	res, err := c.get(ctx, url, wantStatus(http.StatusOK, http.StatusAccepted))
-	if err != nil {
-		return nil, err
-	}
-	defer res.Body.Close()
-	var v wireAuthz
-	if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
-		return nil, fmt.Errorf("acme: invalid response: %v", err)
-	}
-	return v.authorization(url), nil
-}
-
-// RevokeAuthorization relinquishes an existing authorization identified
-// by the given URL.
-// The url argument is an Authorization.URI value.
-//
-// If successful, the caller will be required to obtain a new authorization
-// using the Authorize method before being able to request a new certificate
-// for the domain associated with the authorization.
-//
-// It does not revoke existing certificates.
-func (c *Client) RevokeAuthorization(ctx context.Context, url string) error {
-	req := struct {
-		Resource string `json:"resource"`
-		Status   string `json:"status"`
-		Delete   bool   `json:"delete"`
-	}{
-		Resource: "authz",
-		Status:   "deactivated",
-		Delete:   true,
-	}
-	res, err := c.post(ctx, c.Key, url, req, wantStatus(http.StatusOK))
-	if err != nil {
-		return err
-	}
-	defer res.Body.Close()
-	return nil
-}
-
-// WaitAuthorization polls an authorization at the given URL
-// until it is in one of the final states, StatusValid or StatusInvalid,
-// the ACME CA responded with a 4xx error code, or the context is done.
-//
-// It returns a non-nil Authorization only if its Status is StatusValid.
-// In all other cases WaitAuthorization returns an error.
-// If the Status is StatusInvalid, the returned error is of type *AuthorizationError.
-func (c *Client) WaitAuthorization(ctx context.Context, url string) (*Authorization, error) {
-	for {
-		res, err := c.get(ctx, url, wantStatus(http.StatusOK, http.StatusAccepted))
-		if err != nil {
-			return nil, err
-		}
-
-		var raw wireAuthz
-		err = json.NewDecoder(res.Body).Decode(&raw)
-		res.Body.Close()
-		switch {
-		case err != nil:
-			// Skip and retry.
-		case raw.Status == StatusValid:
-			return raw.authorization(url), nil
-		case raw.Status == StatusInvalid:
-			return nil, raw.error(url)
-		}
-
-		// Exponential backoff is implemented in c.get above.
-		// This is just to prevent continuously hitting the CA
-		// while waiting for a final authorization status.
-		d := retryAfter(res.Header.Get("Retry-After"))
-		if d == 0 {
-			// Given that the fastest challenges TLS-SNI and HTTP-01
-			// require a CA to make at least 1 network round trip
-			// and most likely persist a challenge state,
-			// this default delay seems reasonable.
-			d = time.Second
-		}
-		t := time.NewTimer(d)
-		select {
-		case <-ctx.Done():
-			t.Stop()
-			return nil, ctx.Err()
-		case <-t.C:
-			// Retry.
-		}
-	}
-}
-
-// GetChallenge retrieves the current status of an challenge.
-//
-// A client typically polls a challenge status using this method.
-func (c *Client) GetChallenge(ctx context.Context, url string) (*Challenge, error) {
-	res, err := c.get(ctx, url, wantStatus(http.StatusOK, http.StatusAccepted))
-	if err != nil {
-		return nil, err
-	}
-	defer res.Body.Close()
-	v := wireChallenge{URI: url}
-	if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
-		return nil, fmt.Errorf("acme: invalid response: %v", err)
-	}
-	return v.challenge(), nil
-}
-
-// Accept informs the server that the client accepts one of its challenges
-// previously obtained with c.Authorize.
-//
-// The server will then perform the validation asynchronously.
-func (c *Client) Accept(ctx context.Context, chal *Challenge) (*Challenge, error) {
-	auth, err := keyAuth(c.Key.Public(), chal.Token)
-	if err != nil {
-		return nil, err
-	}
-
-	req := struct {
-		Resource string `json:"resource"`
-		Type     string `json:"type"`
-		Auth     string `json:"keyAuthorization"`
-	}{
-		Resource: "challenge",
-		Type:     chal.Type,
-		Auth:     auth,
-	}
-	res, err := c.post(ctx, c.Key, chal.URI, req, wantStatus(
-		http.StatusOK,       // according to the spec
-		http.StatusAccepted, // Let's Encrypt: see https://goo.gl/WsJ7VT (acme-divergences.md)
-	))
-	if err != nil {
-		return nil, err
-	}
-	defer res.Body.Close()
-
-	var v wireChallenge
-	if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
-		return nil, fmt.Errorf("acme: invalid response: %v", err)
-	}
-	return v.challenge(), nil
-}
-
-// DNS01ChallengeRecord returns a DNS record value for a dns-01 challenge response.
-// A TXT record containing the returned value must be provisioned under
-// "_acme-challenge" name of the domain being validated.
-//
-// The token argument is a Challenge.Token value.
-func (c *Client) DNS01ChallengeRecord(token string) (string, error) {
-	ka, err := keyAuth(c.Key.Public(), token)
-	if err != nil {
-		return "", err
-	}
-	b := sha256.Sum256([]byte(ka))
-	return base64.RawURLEncoding.EncodeToString(b[:]), nil
-}
-
-// HTTP01ChallengeResponse returns the response for an http-01 challenge.
-// Servers should respond with the value to HTTP requests at the URL path
-// provided by HTTP01ChallengePath to validate the challenge and prove control
-// over a domain name.
-//
-// The token argument is a Challenge.Token value.
-func (c *Client) HTTP01ChallengeResponse(token string) (string, error) {
-	return keyAuth(c.Key.Public(), token)
-}
-
-// HTTP01ChallengePath returns the URL path at which the response for an http-01 challenge
-// should be provided by the servers.
-// The response value can be obtained with HTTP01ChallengeResponse.
-//
-// The token argument is a Challenge.Token value.
-func (c *Client) HTTP01ChallengePath(token string) string {
-	return "/.well-known/acme-challenge/" + token
-}
-
-// TLSSNI01ChallengeCert creates a certificate for TLS-SNI-01 challenge response.
-// Servers can present the certificate to validate the challenge and prove control
-// over a domain name.
-//
-// The implementation is incomplete in that the returned value is a single certificate,
-// computed only for Z0 of the key authorization. ACME CAs are expected to update
-// their implementations to use the newer version, TLS-SNI-02.
-// For more details on TLS-SNI-01 see https://tools.ietf.org/html/draft-ietf-acme-acme-01#section-7.3.
-//
-// The token argument is a Challenge.Token value.
-// If a WithKey option is provided, its private part signs the returned cert,
-// and the public part is used to specify the signee.
-// If no WithKey option is provided, a new ECDSA key is generated using P-256 curve.
-//
-// The returned certificate is valid for the next 24 hours and must be presented only when
-// the server name of the TLS ClientHello matches exactly the returned name value.
-func (c *Client) TLSSNI01ChallengeCert(token string, opt ...CertOption) (cert tls.Certificate, name string, err error) {
-	ka, err := keyAuth(c.Key.Public(), token)
-	if err != nil {
-		return tls.Certificate{}, "", err
-	}
-	b := sha256.Sum256([]byte(ka))
-	h := hex.EncodeToString(b[:])
-	name = fmt.Sprintf("%s.%s.acme.invalid", h[:32], h[32:])
-	cert, err = tlsChallengeCert([]string{name}, opt)
-	if err != nil {
-		return tls.Certificate{}, "", err
-	}
-	return cert, name, nil
-}
-
-// TLSSNI02ChallengeCert creates a certificate for TLS-SNI-02 challenge response.
-// Servers can present the certificate to validate the challenge and prove control
-// over a domain name. For more details on TLS-SNI-02 see
-// https://tools.ietf.org/html/draft-ietf-acme-acme-03#section-7.3.
-//
-// The token argument is a Challenge.Token value.
-// If a WithKey option is provided, its private part signs the returned cert,
-// and the public part is used to specify the signee.
-// If no WithKey option is provided, a new ECDSA key is generated using P-256 curve.
-//
-// The returned certificate is valid for the next 24 hours and must be presented only when
-// the server name in the TLS ClientHello matches exactly the returned name value.
-func (c *Client) TLSSNI02ChallengeCert(token string, opt ...CertOption) (cert tls.Certificate, name string, err error) {
-	b := sha256.Sum256([]byte(token))
-	h := hex.EncodeToString(b[:])
-	sanA := fmt.Sprintf("%s.%s.token.acme.invalid", h[:32], h[32:])
-
-	ka, err := keyAuth(c.Key.Public(), token)
-	if err != nil {
-		return tls.Certificate{}, "", err
-	}
-	b = sha256.Sum256([]byte(ka))
-	h = hex.EncodeToString(b[:])
-	sanB := fmt.Sprintf("%s.%s.ka.acme.invalid", h[:32], h[32:])
-
-	cert, err = tlsChallengeCert([]string{sanA, sanB}, opt)
-	if err != nil {
-		return tls.Certificate{}, "", err
-	}
-	return cert, sanA, nil
-}
-
-// TLSALPN01ChallengeCert creates a certificate for TLS-ALPN-01 challenge response.
-// Servers can present the certificate to validate the challenge and prove control
-// over a domain name. For more details on TLS-ALPN-01 see
-// https://tools.ietf.org/html/draft-shoemaker-acme-tls-alpn-00#section-3
-//
-// The token argument is a Challenge.Token value.
-// If a WithKey option is provided, its private part signs the returned cert,
-// and the public part is used to specify the signee.
-// If no WithKey option is provided, a new ECDSA key is generated using P-256 curve.
-//
-// The returned certificate is valid for the next 24 hours and must be presented only when
-// the server name in the TLS ClientHello matches the domain, and the special acme-tls/1 ALPN protocol
-// has been specified.
-func (c *Client) TLSALPN01ChallengeCert(token, domain string, opt ...CertOption) (cert tls.Certificate, err error) {
-	ka, err := keyAuth(c.Key.Public(), token)
-	if err != nil {
-		return tls.Certificate{}, err
-	}
-	shasum := sha256.Sum256([]byte(ka))
-	extValue, err := asn1.Marshal(shasum[:])
-	if err != nil {
-		return tls.Certificate{}, err
-	}
-	acmeExtension := pkix.Extension{
-		Id:       idPeACMEIdentifierV1,
-		Critical: true,
-		Value:    extValue,
-	}
-
-	tmpl := defaultTLSChallengeCertTemplate()
-
-	var newOpt []CertOption
-	for _, o := range opt {
-		switch o := o.(type) {
-		case *certOptTemplate:
-			t := *(*x509.Certificate)(o) // shallow copy is ok
-			tmpl = &t
-		default:
-			newOpt = append(newOpt, o)
-		}
-	}
-	tmpl.ExtraExtensions = append(tmpl.ExtraExtensions, acmeExtension)
-	newOpt = append(newOpt, WithTemplate(tmpl))
-	return tlsChallengeCert([]string{domain}, newOpt)
-}
-
-// doReg sends all types of registration requests.
-// The type of request is identified by typ argument, which is a "resource"
-// in the ACME spec terms.
-//
-// A non-nil acct argument indicates whether the intention is to mutate data
-// of the Account. Only Contact and Agreement of its fields are used
-// in such cases.
-func (c *Client) doReg(ctx context.Context, url string, typ string, acct *Account) (*Account, error) {
-	req := struct {
-		Resource  string   `json:"resource"`
-		Contact   []string `json:"contact,omitempty"`
-		Agreement string   `json:"agreement,omitempty"`
-	}{
-		Resource: typ,
-	}
-	if acct != nil {
-		req.Contact = acct.Contact
-		req.Agreement = acct.AgreedTerms
-	}
-	res, err := c.post(ctx, c.Key, url, req, wantStatus(
-		http.StatusOK,       // updates and deletes
-		http.StatusCreated,  // new account creation
-		http.StatusAccepted, // Let's Encrypt divergent implementation
-	))
-	if err != nil {
-		return nil, err
-	}
-	defer res.Body.Close()
-
-	var v struct {
-		Contact        []string
-		Agreement      string
-		Authorizations string
-		Certificates   string
-	}
-	if err := json.NewDecoder(res.Body).Decode(&v); err != nil {
-		return nil, fmt.Errorf("acme: invalid response: %v", err)
-	}
-	var tos string
-	if v := linkHeader(res.Header, "terms-of-service"); len(v) > 0 {
-		tos = v[0]
-	}
-	var authz string
-	if v := linkHeader(res.Header, "next"); len(v) > 0 {
-		authz = v[0]
-	}
-	return &Account{
-		URI:            res.Header.Get("Location"),
-		Contact:        v.Contact,
-		AgreedTerms:    v.Agreement,
-		CurrentTerms:   tos,
-		Authz:          authz,
-		Authorizations: v.Authorizations,
-		Certificates:   v.Certificates,
-	}, nil
-}
-
-// popNonce returns a nonce value previously stored with c.addNonce
-// or fetches a fresh one from the given URL.
-func (c *Client) popNonce(ctx context.Context, url string) (string, error) {
-	c.noncesMu.Lock()
-	defer c.noncesMu.Unlock()
-	if len(c.nonces) == 0 {
-		return c.fetchNonce(ctx, url)
-	}
-	var nonce string
-	for nonce = range c.nonces {
-		delete(c.nonces, nonce)
-		break
-	}
-	return nonce, nil
-}
-
-// clearNonces clears any stored nonces
-func (c *Client) clearNonces() {
-	c.noncesMu.Lock()
-	defer c.noncesMu.Unlock()
-	c.nonces = make(map[string]struct{})
-}
-
-// addNonce stores a nonce value found in h (if any) for future use.
-func (c *Client) addNonce(h http.Header) {
-	v := nonceFromHeader(h)
-	if v == "" {
-		return
-	}
-	c.noncesMu.Lock()
-	defer c.noncesMu.Unlock()
-	if len(c.nonces) >= maxNonces {
-		return
-	}
-	if c.nonces == nil {
-		c.nonces = make(map[string]struct{})
-	}
-	c.nonces[v] = struct{}{}
-}
-
-func (c *Client) fetchNonce(ctx context.Context, url string) (string, error) {
-	r, err := http.NewRequest("HEAD", url, nil)
-	if err != nil {
-		return "", err
-	}
-	resp, err := c.doNoRetry(ctx, r)
-	if err != nil {
-		return "", err
-	}
-	defer resp.Body.Close()
-	nonce := nonceFromHeader(resp.Header)
-	if nonce == "" {
-		if resp.StatusCode > 299 {
-			return "", responseError(resp)
-		}
-		return "", errors.New("acme: nonce not found")
-	}
-	return nonce, nil
-}
-
-func nonceFromHeader(h http.Header) string {
-	return h.Get("Replay-Nonce")
-}
-
-func (c *Client) responseCert(ctx context.Context, res *http.Response, bundle bool) ([][]byte, error) {
-	b, err := ioutil.ReadAll(io.LimitReader(res.Body, maxCertSize+1))
-	if err != nil {
-		return nil, fmt.Errorf("acme: response stream: %v", err)
-	}
-	if len(b) > maxCertSize {
-		return nil, errors.New("acme: certificate is too big")
-	}
-	cert := [][]byte{b}
-	if !bundle {
-		return cert, nil
-	}
-
-	// Append CA chain cert(s).
-	// At least one is required according to the spec:
-	// https://tools.ietf.org/html/draft-ietf-acme-acme-03#section-6.3.1
-	up := linkHeader(res.Header, "up")
-	if len(up) == 0 {
-		return nil, errors.New("acme: rel=up link not found")
-	}
-	if len(up) > maxChainLen {
-		return nil, errors.New("acme: rel=up link is too large")
-	}
-	for _, url := range up {
-		cc, err := c.chainCert(ctx, url, 0)
-		if err != nil {
-			return nil, err
-		}
-		cert = append(cert, cc...)
-	}
-	return cert, nil
-}
-
-// chainCert fetches CA certificate chain recursively by following "up" links.
-// Each recursive call increments the depth by 1, resulting in an error
-// if the recursion level reaches maxChainLen.
-//
-// First chainCert call starts with depth of 0.
-func (c *Client) chainCert(ctx context.Context, url string, depth int) ([][]byte, error) {
-	if depth >= maxChainLen {
-		return nil, errors.New("acme: certificate chain is too deep")
-	}
-
-	res, err := c.get(ctx, url, wantStatus(http.StatusOK))
-	if err != nil {
-		return nil, err
-	}
-	defer res.Body.Close()
-	b, err := ioutil.ReadAll(io.LimitReader(res.Body, maxCertSize+1))
-	if err != nil {
-		return nil, err
-	}
-	if len(b) > maxCertSize {
-		return nil, errors.New("acme: certificate is too big")
-	}
-	chain := [][]byte{b}
-
-	uplink := linkHeader(res.Header, "up")
-	if len(uplink) > maxChainLen {
-		return nil, errors.New("acme: certificate chain is too large")
-	}
-	for _, up := range uplink {
-		cc, err := c.chainCert(ctx, up, depth+1)
-		if err != nil {
-			return nil, err
-		}
-		chain = append(chain, cc...)
-	}
-
-	return chain, nil
-}
-
-// linkHeader returns URI-Reference values of all Link headers
-// with relation-type rel.
-// See https://tools.ietf.org/html/rfc5988#section-5 for details.
-func linkHeader(h http.Header, rel string) []string {
-	var links []string
-	for _, v := range h["Link"] {
-		parts := strings.Split(v, ";")
-		for _, p := range parts {
-			p = strings.TrimSpace(p)
-			if !strings.HasPrefix(p, "rel=") {
-				continue
-			}
-			if v := strings.Trim(p[4:], `"`); v == rel {
-				links = append(links, strings.Trim(parts[0], "<>"))
-			}
-		}
-	}
-	return links
-}
-
-// keyAuth generates a key authorization string for a given token.
-func keyAuth(pub crypto.PublicKey, token string) (string, error) {
-	th, err := JWKThumbprint(pub)
-	if err != nil {
-		return "", err
-	}
-	return fmt.Sprintf("%s.%s", token, th), nil
-}
-
-// defaultTLSChallengeCertTemplate is a template used to create challenge certs for TLS challenges.
-func defaultTLSChallengeCertTemplate() *x509.Certificate {
-	return &x509.Certificate{
-		SerialNumber:          big.NewInt(1),
-		NotBefore:             time.Now(),
-		NotAfter:              time.Now().Add(24 * time.Hour),
-		BasicConstraintsValid: true,
-		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
-		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
-	}
-}
-
-// tlsChallengeCert creates a temporary certificate for TLS-SNI challenges
-// with the given SANs and auto-generated public/private key pair.
-// The Subject Common Name is set to the first SAN to aid debugging.
-// To create a cert with a custom key pair, specify WithKey option.
-func tlsChallengeCert(san []string, opt []CertOption) (tls.Certificate, error) {
-	var key crypto.Signer
-	tmpl := defaultTLSChallengeCertTemplate()
-	for _, o := range opt {
-		switch o := o.(type) {
-		case *certOptKey:
-			if key != nil {
-				return tls.Certificate{}, errors.New("acme: duplicate key option")
-			}
-			key = o.key
-		case *certOptTemplate:
-			t := *(*x509.Certificate)(o) // shallow copy is ok
-			tmpl = &t
-		default:
-			// package's fault, if we let this happen:
-			panic(fmt.Sprintf("unsupported option type %T", o))
-		}
-	}
-	if key == nil {
-		var err error
-		if key, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader); err != nil {
-			return tls.Certificate{}, err
-		}
-	}
-	tmpl.DNSNames = san
-	if len(san) > 0 {
-		tmpl.Subject.CommonName = san[0]
-	}
-
-	der, err := x509.CreateCertificate(rand.Reader, tmpl, tmpl, key.Public(), key)
-	if err != nil {
-		return tls.Certificate{}, err
-	}
-	return tls.Certificate{
-		Certificate: [][]byte{der},
-		PrivateKey:  key,
-	}, nil
-}
-
-// encodePEM returns b encoded as PEM with block of type typ.
-func encodePEM(typ string, b []byte) []byte {
-	pb := &pem.Block{Type: typ, Bytes: b}
-	return pem.EncodeToMemory(pb)
-}
-
-// timeNow is useful for testing for fixed current time.
-var timeNow = time.Now

vendor/golang.org/x/crypto/acme/autocert/cache.go

@@ -1,130 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package autocert
-
-import (
-	"context"
-	"errors"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-)
-
-// ErrCacheMiss is returned when a certificate is not found in cache.
-var ErrCacheMiss = errors.New("acme/autocert: certificate cache miss")
-
-// Cache is used by Manager to store and retrieve previously obtained certificates
-// and other account data as opaque blobs.
-//
-// Cache implementations should not rely on the key naming pattern. Keys can
-// include any printable ASCII characters, except the following: \/:*?"<>|
-type Cache interface {
-	// Get returns a certificate data for the specified key.
-	// If there's no such key, Get returns ErrCacheMiss.
-	Get(ctx context.Context, key string) ([]byte, error)
-
-	// Put stores the data in the cache under the specified key.
-	// Underlying implementations may use any data storage format,
-	// as long as the reverse operation, Get, results in the original data.
-	Put(ctx context.Context, key string, data []byte) error
-
-	// Delete removes a certificate data from the cache under the specified key.
-	// If there's no such key in the cache, Delete returns nil.
-	Delete(ctx context.Context, key string) error
-}
-
-// DirCache implements Cache using a directory on the local filesystem.
-// If the directory does not exist, it will be created with 0700 permissions.
-type DirCache string
-
-// Get reads a certificate data from the specified file name.
-func (d DirCache) Get(ctx context.Context, name string) ([]byte, error) {
-	name = filepath.Join(string(d), name)
-	var (
-		data []byte
-		err  error
-		done = make(chan struct{})
-	)
-	go func() {
-		data, err = ioutil.ReadFile(name)
-		close(done)
-	}()
-	select {
-	case <-ctx.Done():
-		return nil, ctx.Err()
-	case <-done:
-	}
-	if os.IsNotExist(err) {
-		return nil, ErrCacheMiss
-	}
-	return data, err
-}
-
-// Put writes the certificate data to the specified file name.
-// The file will be created with 0600 permissions.
-func (d DirCache) Put(ctx context.Context, name string, data []byte) error {
-	if err := os.MkdirAll(string(d), 0700); err != nil {
-		return err
-	}
-
-	done := make(chan struct{})
-	var err error
-	go func() {
-		defer close(done)
-		var tmp string
-		if tmp, err = d.writeTempFile(name, data); err != nil {
-			return
-		}
-		select {
-		case <-ctx.Done():
-			// Don't overwrite the file if the context was canceled.
-		default:
-			newName := filepath.Join(string(d), name)
-			err = os.Rename(tmp, newName)
-		}
-	}()
-	select {
-	case <-ctx.Done():
-		return ctx.Err()
-	case <-done:
-	}
-	return err
-}
-
-// Delete removes the specified file name.
-func (d DirCache) Delete(ctx context.Context, name string) error {
-	name = filepath.Join(string(d), name)
-	var (
-		err  error
-		done = make(chan struct{})
-	)
-	go func() {
-		err = os.Remove(name)
-		close(done)
-	}()
-	select {
-	case <-ctx.Done():
-		return ctx.Err()
-	case <-done:
-	}
-	if err != nil && !os.IsNotExist(err) {
-		return err
-	}
-	return nil
-}
-
-// writeTempFile writes b to a temporary file, closes the file and returns its path.
-func (d DirCache) writeTempFile(prefix string, b []byte) (string, error) {
-	// TempFile uses 0600 permissions
-	f, err := ioutil.TempFile(string(d), prefix)
-	if err != nil {
-		return "", err
-	}
-	if _, err := f.Write(b); err != nil {
-		f.Close()
-		return "", err
-	}
-	return f.Name(), f.Close()
-}

vendor/golang.org/x/crypto/acme/autocert/listener.go

@@ -1,157 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package autocert
-
-import (
-	"crypto/tls"
-	"log"
-	"net"
-	"os"
-	"path/filepath"
-	"runtime"
-	"time"
-)
-
-// NewListener returns a net.Listener that listens on the standard TLS
-// port (443) on all interfaces and returns *tls.Conn connections with
-// LetsEncrypt certificates for the provided domain or domains.
-//
-// It enables one-line HTTPS servers:
-//
-//     log.Fatal(http.Serve(autocert.NewListener("example.com"), handler))
-//
-// NewListener is a convenience function for a common configuration.
-// More complex or custom configurations can use the autocert.Manager
-// type instead.
-//
-// Use of this function implies acceptance of the LetsEncrypt Terms of
-// Service. If domains is not empty, the provided domains are passed
-// to HostWhitelist. If domains is empty, the listener will do
-// LetsEncrypt challenges for any requested domain, which is not
-// recommended.
-//
-// Certificates are cached in a "golang-autocert" directory under an
-// operating system-specific cache or temp directory. This may not
-// be suitable for servers spanning multiple machines.
-//
-// The returned listener uses a *tls.Config that enables HTTP/2, and
-// should only be used with servers that support HTTP/2.
-//
-// The returned Listener also enables TCP keep-alives on the accepted
-// connections. The returned *tls.Conn are returned before their TLS
-// handshake has completed.
-func NewListener(domains ...string) net.Listener {
-	m := &Manager{
-		Prompt: AcceptTOS,
-	}
-	if len(domains) > 0 {
-		m.HostPolicy = HostWhitelist(domains...)
-	}
-	dir := cacheDir()
-	if err := os.MkdirAll(dir, 0700); err != nil {
-		log.Printf("warning: autocert.NewListener not using a cache: %v", err)
-	} else {
-		m.Cache = DirCache(dir)
-	}
-	return m.Listener()
-}
-
-// Listener listens on the standard TLS port (443) on all interfaces
-// and returns a net.Listener returning *tls.Conn connections.
-//
-// The returned listener uses a *tls.Config that enables HTTP/2, and
-// should only be used with servers that support HTTP/2.
-//
-// The returned Listener also enables TCP keep-alives on the accepted
-// connections. The returned *tls.Conn are returned before their TLS
-// handshake has completed.
-//
-// Unlike NewListener, it is the caller's responsibility to initialize
-// the Manager m's Prompt, Cache, HostPolicy, and other desired options.
-func (m *Manager) Listener() net.Listener {
-	ln := &listener{
-		m:    m,
-		conf: m.TLSConfig(),
-	}
-	ln.tcpListener, ln.tcpListenErr = net.Listen("tcp", ":443")
-	return ln
-}
-
-type listener struct {
-	m    *Manager
-	conf *tls.Config
-
-	tcpListener  net.Listener
-	tcpListenErr error
-}
-
-func (ln *listener) Accept() (net.Conn, error) {
-	if ln.tcpListenErr != nil {
-		return nil, ln.tcpListenErr
-	}
-	conn, err := ln.tcpListener.Accept()
-	if err != nil {
-		return nil, err
-	}
-	tcpConn := conn.(*net.TCPConn)
-
-	// Because Listener is a convenience function, help out with
-	// this too.  This is not possible for the caller to set once
-	// we return a *tcp.Conn wrapping an inaccessible net.Conn.
-	// If callers don't want this, they can do things the manual
-	// way and tweak as needed. But this is what net/http does
-	// itself, so copy that. If net/http changes, we can change
-	// here too.
-	tcpConn.SetKeepAlive(true)
-	tcpConn.SetKeepAlivePeriod(3 * time.Minute)
-
-	return tls.Server(tcpConn, ln.conf), nil
-}
-
-func (ln *listener) Addr() net.Addr {
-	if ln.tcpListener != nil {
-		return ln.tcpListener.Addr()
-	}
-	// net.Listen failed. Return something non-nil in case callers
-	// call Addr before Accept:
-	return &net.TCPAddr{IP: net.IP{0, 0, 0, 0}, Port: 443}
-}
-
-func (ln *listener) Close() error {
-	if ln.tcpListenErr != nil {
-		return ln.tcpListenErr
-	}
-	return ln.tcpListener.Close()
-}
-
-func homeDir() string {
-	if runtime.GOOS == "windows" {
-		return os.Getenv("HOMEDRIVE") + os.Getenv("HOMEPATH")
-	}
-	if h := os.Getenv("HOME"); h != "" {
-		return h
-	}
-	return "/"
-}
-
-func cacheDir() string {
-	const base = "golang-autocert"
-	switch runtime.GOOS {
-	case "darwin":
-		return filepath.Join(homeDir(), "Library", "Caches", base)
-	case "windows":
-		for _, ev := range []string{"APPDATA", "CSIDL_APPDATA", "TEMP", "TMP"} {
-			if v := os.Getenv(ev); v != "" {
-				return filepath.Join(v, base)
-			}
-		}
-		// Worst case:
-		return filepath.Join(homeDir(), base)
-	}
-	if xdg := os.Getenv("XDG_CACHE_HOME"); xdg != "" {
-		return filepath.Join(xdg, base)
-	}
-	return filepath.Join(homeDir(), ".cache", base)
-}

vendor/golang.org/x/crypto/acme/autocert/renewal.go

@@ -1,141 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package autocert
-
-import (
-	"context"
-	"crypto"
-	"sync"
-	"time"
-)
-
-// renewJitter is the maximum deviation from Manager.RenewBefore.
-const renewJitter = time.Hour
-
-// domainRenewal tracks the state used by the periodic timers
-// renewing a single domain's cert.
-type domainRenewal struct {
-	m   *Manager
-	ck  certKey
-	key crypto.Signer
-
-	timerMu sync.Mutex
-	timer   *time.Timer
-}
-
-// start starts a cert renewal timer at the time
-// defined by the certificate expiration time exp.
-//
-// If the timer is already started, calling start is a noop.
-func (dr *domainRenewal) start(exp time.Time) {
-	dr.timerMu.Lock()
-	defer dr.timerMu.Unlock()
-	if dr.timer != nil {
-		return
-	}
-	dr.timer = time.AfterFunc(dr.next(exp), dr.renew)
-}
-
-// stop stops the cert renewal timer.
-// If the timer is already stopped, calling stop is a noop.
-func (dr *domainRenewal) stop() {
-	dr.timerMu.Lock()
-	defer dr.timerMu.Unlock()
-	if dr.timer == nil {
-		return
-	}
-	dr.timer.Stop()
-	dr.timer = nil
-}
-
-// renew is called periodically by a timer.
-// The first renew call is kicked off by dr.start.
-func (dr *domainRenewal) renew() {
-	dr.timerMu.Lock()
-	defer dr.timerMu.Unlock()
-	if dr.timer == nil {
-		return
-	}
-
-	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
-	defer cancel()
-	// TODO: rotate dr.key at some point?
-	next, err := dr.do(ctx)
-	if err != nil {
-		next = renewJitter / 2
-		next += time.Duration(pseudoRand.int63n(int64(next)))
-	}
-	dr.timer = time.AfterFunc(next, dr.renew)
-	testDidRenewLoop(next, err)
-}
-
-// updateState locks and replaces the relevant Manager.state item with the given
-// state. It additionally updates dr.key with the given state's key.
-func (dr *domainRenewal) updateState(state *certState) {
-	dr.m.stateMu.Lock()
-	defer dr.m.stateMu.Unlock()
-	dr.key = state.key
-	dr.m.state[dr.ck] = state
-}
-
-// do is similar to Manager.createCert but it doesn't lock a Manager.state item.
-// Instead, it requests a new certificate independently and, upon success,
-// replaces dr.m.state item with a new one and updates cache for the given domain.
-//
-// It may lock and update the Manager.state if the expiration date of the currently
-// cached cert is far enough in the future.
-//
-// The returned value is a time interval after which the renewal should occur again.
-func (dr *domainRenewal) do(ctx context.Context) (time.Duration, error) {
-	// a race is likely unavoidable in a distributed environment
-	// but we try nonetheless
-	if tlscert, err := dr.m.cacheGet(ctx, dr.ck); err == nil {
-		next := dr.next(tlscert.Leaf.NotAfter)
-		if next > dr.m.renewBefore()+renewJitter {
-			signer, ok := tlscert.PrivateKey.(crypto.Signer)
-			if ok {
-				state := &certState{
-					key:  signer,
-					cert: tlscert.Certificate,
-					leaf: tlscert.Leaf,
-				}
-				dr.updateState(state)
-				return next, nil
-			}
-		}
-	}
-
-	der, leaf, err := dr.m.authorizedCert(ctx, dr.key, dr.ck)
-	if err != nil {
-		return 0, err
-	}
-	state := &certState{
-		key:  dr.key,
-		cert: der,
-		leaf: leaf,
-	}
-	tlscert, err := state.tlscert()
-	if err != nil {
-		return 0, err
-	}
-	if err := dr.m.cachePut(ctx, dr.ck, tlscert); err != nil {
-		return 0, err
-	}
-	dr.updateState(state)
-	return dr.next(leaf.NotAfter), nil
-}
-
-func (dr *domainRenewal) next(expiry time.Time) time.Duration {
-	d := expiry.Sub(timeNow()) - dr.m.renewBefore()
-	// add a bit of randomness to renew deadline
-	n := pseudoRand.int63n(int64(renewJitter))
-	d -= time.Duration(n)
-	if d < 0 {
-		return 0
-	}
-	return d
-}
-
-var testDidRenewLoop = func(next time.Duration, err error) {}

vendor/golang.org/x/crypto/acme/http.go

@@ -1,281 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package acme
-
-import (
-	"bytes"
-	"context"
-	"crypto"
-	"crypto/rand"
-	"encoding/json"
-	"fmt"
-	"io/ioutil"
-	"math/big"
-	"net/http"
-	"strconv"
-	"strings"
-	"time"
-)
-
-// retryTimer encapsulates common logic for retrying unsuccessful requests.
-// It is not safe for concurrent use.
-type retryTimer struct {
-	// backoffFn provides backoff delay sequence for retries.
-	// See Client.RetryBackoff doc comment.
-	backoffFn func(n int, r *http.Request, res *http.Response) time.Duration
-	// n is the current retry attempt.
-	n int
-}
-
-func (t *retryTimer) inc() {
-	t.n++
-}
-
-// backoff pauses the current goroutine as described in Client.RetryBackoff.
-func (t *retryTimer) backoff(ctx context.Context, r *http.Request, res *http.Response) error {
-	d := t.backoffFn(t.n, r, res)
-	if d <= 0 {
-		return fmt.Errorf("acme: no more retries for %s; tried %d time(s)", r.URL, t.n)
-	}
-	wakeup := time.NewTimer(d)
-	defer wakeup.Stop()
-	select {
-	case <-ctx.Done():
-		return ctx.Err()
-	case <-wakeup.C:
-		return nil
-	}
-}
-
-func (c *Client) retryTimer() *retryTimer {
-	f := c.RetryBackoff
-	if f == nil {
-		f = defaultBackoff
-	}
-	return &retryTimer{backoffFn: f}
-}
-
-// defaultBackoff provides default Client.RetryBackoff implementation
-// using a truncated exponential backoff algorithm,
-// as described in Client.RetryBackoff.
-//
-// The n argument is always bounded between 1 and 30.
-// The returned value is always greater than 0.
-func defaultBackoff(n int, r *http.Request, res *http.Response) time.Duration {
-	const max = 10 * time.Second
-	var jitter time.Duration
-	if x, err := rand.Int(rand.Reader, big.NewInt(1000)); err == nil {
-		// Set the minimum to 1ms to avoid a case where
-		// an invalid Retry-After value is parsed into 0 below,
-		// resulting in the 0 returned value which would unintentionally
-		// stop the retries.
-		jitter = (1 + time.Duration(x.Int64())) * time.Millisecond
-	}
-	if v, ok := res.Header["Retry-After"]; ok {
-		return retryAfter(v[0]) + jitter
-	}
-
-	if n < 1 {
-		n = 1
-	}
-	if n > 30 {
-		n = 30
-	}
-	d := time.Duration(1<<uint(n-1))*time.Second + jitter
-	if d > max {
-		return max
-	}
-	return d
-}
-
-// retryAfter parses a Retry-After HTTP header value,
-// trying to convert v into an int (seconds) or use http.ParseTime otherwise.
-// It returns zero value if v cannot be parsed.
-func retryAfter(v string) time.Duration {
-	if i, err := strconv.Atoi(v); err == nil {
-		return time.Duration(i) * time.Second
-	}
-	t, err := http.ParseTime(v)
-	if err != nil {
-		return 0
-	}
-	return t.Sub(timeNow())
-}
-
-// resOkay is a function that reports whether the provided response is okay.
-// It is expected to keep the response body unread.
-type resOkay func(*http.Response) bool
-
-// wantStatus returns a function which reports whether the code
-// matches the status code of a response.
-func wantStatus(codes ...int) resOkay {
-	return func(res *http.Response) bool {
-		for _, code := range codes {
-			if code == res.StatusCode {
-				return true
-			}
-		}
-		return false
-	}
-}
-
-// get issues an unsigned GET request to the specified URL.
-// It returns a non-error value only when ok reports true.
-//
-// get retries unsuccessful attempts according to c.RetryBackoff
-// until the context is done or a non-retriable error is received.
-func (c *Client) get(ctx context.Context, url string, ok resOkay) (*http.Response, error) {
-	retry := c.retryTimer()
-	for {
-		req, err := http.NewRequest("GET", url, nil)
-		if err != nil {
-			return nil, err
-		}
-		res, err := c.doNoRetry(ctx, req)
-		switch {
-		case err != nil:
-			return nil, err
-		case ok(res):
-			return res, nil
-		case isRetriable(res.StatusCode):
-			retry.inc()
-			resErr := responseError(res)
-			res.Body.Close()
-			// Ignore the error value from retry.backoff
-			// and return the one from last retry, as received from the CA.
-			if retry.backoff(ctx, req, res) != nil {
-				return nil, resErr
-			}
-		default:
-			defer res.Body.Close()
-			return nil, responseError(res)
-		}
-	}
-}
-
-// post issues a signed POST request in JWS format using the provided key
-// to the specified URL.
-// It returns a non-error value only when ok reports true.
-//
-// post retries unsuccessful attempts according to c.RetryBackoff
-// until the context is done or a non-retriable error is received.
-// It uses postNoRetry to make individual requests.
-func (c *Client) post(ctx context.Context, key crypto.Signer, url string, body interface{}, ok resOkay) (*http.Response, error) {
-	retry := c.retryTimer()
-	for {
-		res, req, err := c.postNoRetry(ctx, key, url, body)
-		if err != nil {
-			return nil, err
-		}
-		if ok(res) {
-			return res, nil
-		}
-		resErr := responseError(res)
-		res.Body.Close()
-		switch {
-		// Check for bad nonce before isRetriable because it may have been returned
-		// with an unretriable response code such as 400 Bad Request.
-		case isBadNonce(resErr):
-			// Consider any previously stored nonce values to be invalid.
-			c.clearNonces()
-		case !isRetriable(res.StatusCode):
-			return nil, resErr
-		}
-		retry.inc()
-		// Ignore the error value from retry.backoff
-		// and return the one from last retry, as received from the CA.
-		if err := retry.backoff(ctx, req, res); err != nil {
-			return nil, resErr
-		}
-	}
-}
-
-// postNoRetry signs the body with the given key and POSTs it to the provided url.
-// The body argument must be JSON-serializable.
-// It is used by c.post to retry unsuccessful attempts.
-func (c *Client) postNoRetry(ctx context.Context, key crypto.Signer, url string, body interface{}) (*http.Response, *http.Request, error) {
-	nonce, err := c.popNonce(ctx, url)
-	if err != nil {
-		return nil, nil, err
-	}
-	b, err := jwsEncodeJSON(body, key, nonce)
-	if err != nil {
-		return nil, nil, err
-	}
-	req, err := http.NewRequest("POST", url, bytes.NewReader(b))
-	if err != nil {
-		return nil, nil, err
-	}
-	req.Header.Set("Content-Type", "application/jose+json")
-	res, err := c.doNoRetry(ctx, req)
-	if err != nil {
-		return nil, nil, err
-	}
-	c.addNonce(res.Header)
-	return res, req, nil
-}
-
-// doNoRetry issues a request req, replacing its context (if any) with ctx.
-func (c *Client) doNoRetry(ctx context.Context, req *http.Request) (*http.Response, error) {
-	res, err := c.httpClient().Do(req.WithContext(ctx))
-	if err != nil {
-		select {
-		case <-ctx.Done():
-			// Prefer the unadorned context error.
-			// (The acme package had tests assuming this, previously from ctxhttp's
-			// behavior, predating net/http supporting contexts natively)
-			// TODO(bradfitz): reconsider this in the future. But for now this
-			// requires no test updates.
-			return nil, ctx.Err()
-		default:
-			return nil, err
-		}
-	}
-	return res, nil
-}
-
-func (c *Client) httpClient() *http.Client {
-	if c.HTTPClient != nil {
-		return c.HTTPClient
-	}
-	return http.DefaultClient
-}
-
-// isBadNonce reports whether err is an ACME "badnonce" error.
-func isBadNonce(err error) bool {
-	// According to the spec badNonce is urn:ietf:params:acme:error:badNonce.
-	// However, ACME servers in the wild return their versions of the error.
-	// See https://tools.ietf.org/html/draft-ietf-acme-acme-02#section-5.4
-	// and https://github.com/letsencrypt/boulder/blob/0e07eacb/docs/acme-divergences.md#section-66.
-	ae, ok := err.(*Error)
-	return ok && strings.HasSuffix(strings.ToLower(ae.ProblemType), ":badnonce")
-}
-
-// isRetriable reports whether a request can be retried
-// based on the response status code.
-//
-// Note that a "bad nonce" error is returned with a non-retriable 400 Bad Request code.
-// Callers should parse the response and check with isBadNonce.
-func isRetriable(code int) bool {
-	return code <= 399 || code >= 500 || code == http.StatusTooManyRequests
-}
-
-// responseError creates an error of Error type from resp.
-func responseError(resp *http.Response) error {
-	// don't care if ReadAll returns an error:
-	// json.Unmarshal will fail in that case anyway
-	b, _ := ioutil.ReadAll(resp.Body)
-	e := &wireError{Status: resp.StatusCode}
-	if err := json.Unmarshal(b, e); err != nil {
-		// this is not a regular error response:
-		// populate detail with anything we received,
-		// e.Status will already contain HTTP response code value
-		e.Detail = string(b)
-		if e.Detail == "" {
-			e.Detail = resp.Status
-		}
-	}
-	return e.error(resp.Header)
-}

vendor/golang.org/x/crypto/acme/jws.go

@@ -1,153 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package acme
-
-import (
-	"crypto"
-	"crypto/ecdsa"
-	"crypto/rand"
-	"crypto/rsa"
-	"crypto/sha256"
-	_ "crypto/sha512" // need for EC keys
-	"encoding/base64"
-	"encoding/json"
-	"fmt"
-	"math/big"
-)
-
-// jwsEncodeJSON signs claimset using provided key and a nonce.
-// The result is serialized in JSON format.
-// See https://tools.ietf.org/html/rfc7515#section-7.
-func jwsEncodeJSON(claimset interface{}, key crypto.Signer, nonce string) ([]byte, error) {
-	jwk, err := jwkEncode(key.Public())
-	if err != nil {
-		return nil, err
-	}
-	alg, sha := jwsHasher(key)
-	if alg == "" || !sha.Available() {
-		return nil, ErrUnsupportedKey
-	}
-	phead := fmt.Sprintf(`{"alg":%q,"jwk":%s,"nonce":%q}`, alg, jwk, nonce)
-	phead = base64.RawURLEncoding.EncodeToString([]byte(phead))
-	cs, err := json.Marshal(claimset)
-	if err != nil {
-		return nil, err
-	}
-	payload := base64.RawURLEncoding.EncodeToString(cs)
-	hash := sha.New()
-	hash.Write([]byte(phead + "." + payload))
-	sig, err := jwsSign(key, sha, hash.Sum(nil))
-	if err != nil {
-		return nil, err
-	}
-
-	enc := struct {
-		Protected string `json:"protected"`
-		Payload   string `json:"payload"`
-		Sig       string `json:"signature"`
-	}{
-		Protected: phead,
-		Payload:   payload,
-		Sig:       base64.RawURLEncoding.EncodeToString(sig),
-	}
-	return json.Marshal(&enc)
-}
-
-// jwkEncode encodes public part of an RSA or ECDSA key into a JWK.
-// The result is also suitable for creating a JWK thumbprint.
-// https://tools.ietf.org/html/rfc7517
-func jwkEncode(pub crypto.PublicKey) (string, error) {
-	switch pub := pub.(type) {
-	case *rsa.PublicKey:
-		// https://tools.ietf.org/html/rfc7518#section-6.3.1
-		n := pub.N
-		e := big.NewInt(int64(pub.E))
-		// Field order is important.
-		// See https://tools.ietf.org/html/rfc7638#section-3.3 for details.
-		return fmt.Sprintf(`{"e":"%s","kty":"RSA","n":"%s"}`,
-			base64.RawURLEncoding.EncodeToString(e.Bytes()),
-			base64.RawURLEncoding.EncodeToString(n.Bytes()),
-		), nil
-	case *ecdsa.PublicKey:
-		// https://tools.ietf.org/html/rfc7518#section-6.2.1
-		p := pub.Curve.Params()
-		n := p.BitSize / 8
-		if p.BitSize%8 != 0 {
-			n++
-		}
-		x := pub.X.Bytes()
-		if n > len(x) {
-			x = append(make([]byte, n-len(x)), x...)
-		}
-		y := pub.Y.Bytes()
-		if n > len(y) {
-			y = append(make([]byte, n-len(y)), y...)
-		}
-		// Field order is important.
-		// See https://tools.ietf.org/html/rfc7638#section-3.3 for details.
-		return fmt.Sprintf(`{"crv":"%s","kty":"EC","x":"%s","y":"%s"}`,
-			p.Name,
-			base64.RawURLEncoding.EncodeToString(x),
-			base64.RawURLEncoding.EncodeToString(y),
-		), nil
-	}
-	return "", ErrUnsupportedKey
-}
-
-// jwsSign signs the digest using the given key.
-// It returns ErrUnsupportedKey if the key type is unknown.
-// The hash is used only for RSA keys.
-func jwsSign(key crypto.Signer, hash crypto.Hash, digest []byte) ([]byte, error) {
-	switch key := key.(type) {
-	case *rsa.PrivateKey:
-		return key.Sign(rand.Reader, digest, hash)
-	case *ecdsa.PrivateKey:
-		r, s, err := ecdsa.Sign(rand.Reader, key, digest)
-		if err != nil {
-			return nil, err
-		}
-		rb, sb := r.Bytes(), s.Bytes()
-		size := key.Params().BitSize / 8
-		if size%8 > 0 {
-			size++
-		}
-		sig := make([]byte, size*2)
-		copy(sig[size-len(rb):], rb)
-		copy(sig[size*2-len(sb):], sb)
-		return sig, nil
-	}
-	return nil, ErrUnsupportedKey
-}
-
-// jwsHasher indicates suitable JWS algorithm name and a hash function
-// to use for signing a digest with the provided key.
-// It returns ("", 0) if the key is not supported.
-func jwsHasher(key crypto.Signer) (string, crypto.Hash) {
-	switch key := key.(type) {
-	case *rsa.PrivateKey:
-		return "RS256", crypto.SHA256
-	case *ecdsa.PrivateKey:
-		switch key.Params().Name {
-		case "P-256":
-			return "ES256", crypto.SHA256
-		case "P-384":
-			return "ES384", crypto.SHA384
-		case "P-521":
-			return "ES512", crypto.SHA512
-		}
-	}
-	return "", 0
-}
-
-// JWKThumbprint creates a JWK thumbprint out of pub
-// as specified in https://tools.ietf.org/html/rfc7638.
-func JWKThumbprint(pub crypto.PublicKey) (string, error) {
-	jwk, err := jwkEncode(pub)
-	if err != nil {
-		return "", err
-	}
-	b := sha256.Sum256([]byte(jwk))
-	return base64.RawURLEncoding.EncodeToString(b[:]), nil
-}

vendor/golang.org/x/crypto/acme/types.go

@@ -1,329 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package acme
-
-import (
-	"crypto"
-	"crypto/x509"
-	"errors"
-	"fmt"
-	"net/http"
-	"strings"
-	"time"
-)
-
-// ACME server response statuses used to describe Authorization and Challenge states.
-const (
-	StatusUnknown    = "unknown"
-	StatusPending    = "pending"
-	StatusProcessing = "processing"
-	StatusValid      = "valid"
-	StatusInvalid    = "invalid"
-	StatusRevoked    = "revoked"
-)
-
-// CRLReasonCode identifies the reason for a certificate revocation.
-type CRLReasonCode int
-
-// CRL reason codes as defined in RFC 5280.
-const (
-	CRLReasonUnspecified          CRLReasonCode = 0
-	CRLReasonKeyCompromise        CRLReasonCode = 1
-	CRLReasonCACompromise         CRLReasonCode = 2
-	CRLReasonAffiliationChanged   CRLReasonCode = 3
-	CRLReasonSuperseded           CRLReasonCode = 4
-	CRLReasonCessationOfOperation CRLReasonCode = 5
-	CRLReasonCertificateHold      CRLReasonCode = 6
-	CRLReasonRemoveFromCRL        CRLReasonCode = 8
-	CRLReasonPrivilegeWithdrawn   CRLReasonCode = 9
-	CRLReasonAACompromise         CRLReasonCode = 10
-)
-
-// ErrUnsupportedKey is returned when an unsupported key type is encountered.
-var ErrUnsupportedKey = errors.New("acme: unknown key type; only RSA and ECDSA are supported")
-
-// Error is an ACME error, defined in Problem Details for HTTP APIs doc
-// http://tools.ietf.org/html/draft-ietf-appsawg-http-problem.
-type Error struct {
-	// StatusCode is The HTTP status code generated by the origin server.
-	StatusCode int
-	// ProblemType is a URI reference that identifies the problem type,
-	// typically in a "urn:acme:error:xxx" form.
-	ProblemType string
-	// Detail is a human-readable explanation specific to this occurrence of the problem.
-	Detail string
-	// Header is the original server error response headers.
-	// It may be nil.
-	Header http.Header
-}
-
-func (e *Error) Error() string {
-	return fmt.Sprintf("%d %s: %s", e.StatusCode, e.ProblemType, e.Detail)
-}
-
-// AuthorizationError indicates that an authorization for an identifier
-// did not succeed.
-// It contains all errors from Challenge items of the failed Authorization.
-type AuthorizationError struct {
-	// URI uniquely identifies the failed Authorization.
-	URI string
-
-	// Identifier is an AuthzID.Value of the failed Authorization.
-	Identifier string
-
-	// Errors is a collection of non-nil error values of Challenge items
-	// of the failed Authorization.
-	Errors []error
-}
-
-func (a *AuthorizationError) Error() string {
-	e := make([]string, len(a.Errors))
-	for i, err := range a.Errors {
-		e[i] = err.Error()
-	}
-	return fmt.Sprintf("acme: authorization error for %s: %s", a.Identifier, strings.Join(e, "; "))
-}
-
-// RateLimit reports whether err represents a rate limit error and
-// any Retry-After duration returned by the server.
-//
-// See the following for more details on rate limiting:
-// https://tools.ietf.org/html/draft-ietf-acme-acme-05#section-5.6
-func RateLimit(err error) (time.Duration, bool) {
-	e, ok := err.(*Error)
-	if !ok {
-		return 0, false
-	}
-	// Some CA implementations may return incorrect values.
-	// Use case-insensitive comparison.
-	if !strings.HasSuffix(strings.ToLower(e.ProblemType), ":ratelimited") {
-		return 0, false
-	}
-	if e.Header == nil {
-		return 0, true
-	}
-	return retryAfter(e.Header.Get("Retry-After")), true
-}
-
-// Account is a user account. It is associated with a private key.
-type Account struct {
-	// URI is the account unique ID, which is also a URL used to retrieve
-	// account data from the CA.
-	URI string
-
-	// Contact is a slice of contact info used during registration.
-	Contact []string
-
-	// The terms user has agreed to.
-	// A value not matching CurrentTerms indicates that the user hasn't agreed
-	// to the actual Terms of Service of the CA.
-	AgreedTerms string
-
-	// Actual terms of a CA.
-	CurrentTerms string
-
-	// Authz is the authorization URL used to initiate a new authz flow.
-	Authz string
-
-	// Authorizations is a URI from which a list of authorizations
-	// granted to this account can be fetched via a GET request.
-	Authorizations string
-
-	// Certificates is a URI from which a list of certificates
-	// issued for this account can be fetched via a GET request.
-	Certificates string
-}
-
-// Directory is ACME server discovery data.
-type Directory struct {
-	// RegURL is an account endpoint URL, allowing for creating new
-	// and modifying existing accounts.
-	RegURL string
-
-	// AuthzURL is used to initiate Identifier Authorization flow.
-	AuthzURL string
-
-	// CertURL is a new certificate issuance endpoint URL.
-	CertURL string
-
-	// RevokeURL is used to initiate a certificate revocation flow.
-	RevokeURL string
-
-	// Term is a URI identifying the current terms of service.
-	Terms string
-
-	// Website is an HTTP or HTTPS URL locating a website
-	// providing more information about the ACME server.
-	Website string
-
-	// CAA consists of lowercase hostname elements, which the ACME server
-	// recognises as referring to itself for the purposes of CAA record validation
-	// as defined in RFC6844.
-	CAA []string
-}
-
-// Challenge encodes a returned CA challenge.
-// Its Error field may be non-nil if the challenge is part of an Authorization
-// with StatusInvalid.
-type Challenge struct {
-	// Type is the challenge type, e.g. "http-01", "tls-sni-02", "dns-01".
-	Type string
-
-	// URI is where a challenge response can be posted to.
-	URI string
-
-	// Token is a random value that uniquely identifies the challenge.
-	Token string
-
-	// Status identifies the status of this challenge.
-	Status string
-
-	// Error indicates the reason for an authorization failure
-	// when this challenge was used.
-	// The type of a non-nil value is *Error.
-	Error error
-}
-
-// Authorization encodes an authorization response.
-type Authorization struct {
-	// URI uniquely identifies a authorization.
-	URI string
-
-	// Status identifies the status of an authorization.
-	Status string
-
-	// Identifier is what the account is authorized to represent.
-	Identifier AuthzID
-
-	// Challenges that the client needs to fulfill in order to prove possession
-	// of the identifier (for pending authorizations).
-	// For final authorizations, the challenges that were used.
-	Challenges []*Challenge
-
-	// A collection of sets of challenges, each of which would be sufficient
-	// to prove possession of the identifier.
-	// Clients must complete a set of challenges that covers at least one set.
-	// Challenges are identified by their indices in the challenges array.
-	// If this field is empty, the client needs to complete all challenges.
-	Combinations [][]int
-}
-
-// AuthzID is an identifier that an account is authorized to represent.
-type AuthzID struct {
-	Type  string // The type of identifier, e.g. "dns".
-	Value string // The identifier itself, e.g. "example.org".
-}
-
-// wireAuthz is ACME JSON representation of Authorization objects.
-type wireAuthz struct {
-	Status       string
-	Challenges   []wireChallenge
-	Combinations [][]int
-	Identifier   struct {
-		Type  string
-		Value string
-	}
-}
-
-func (z *wireAuthz) authorization(uri string) *Authorization {
-	a := &Authorization{
-		URI:          uri,
-		Status:       z.Status,
-		Identifier:   AuthzID{Type: z.Identifier.Type, Value: z.Identifier.Value},
-		Combinations: z.Combinations, // shallow copy
-		Challenges:   make([]*Challenge, len(z.Challenges)),
-	}
-	for i, v := range z.Challenges {
-		a.Challenges[i] = v.challenge()
-	}
-	return a
-}
-
-func (z *wireAuthz) error(uri string) *AuthorizationError {
-	err := &AuthorizationError{
-		URI:        uri,
-		Identifier: z.Identifier.Value,
-	}
-	for _, raw := range z.Challenges {
-		if raw.Error != nil {
-			err.Errors = append(err.Errors, raw.Error.error(nil))
-		}
-	}
-	return err
-}
-
-// wireChallenge is ACME JSON challenge representation.
-type wireChallenge struct {
-	URI    string `json:"uri"`
-	Type   string
-	Token  string
-	Status string
-	Error  *wireError
-}
-
-func (c *wireChallenge) challenge() *Challenge {
-	v := &Challenge{
-		URI:    c.URI,
-		Type:   c.Type,
-		Token:  c.Token,
-		Status: c.Status,
-	}
-	if v.Status == "" {
-		v.Status = StatusPending
-	}
-	if c.Error != nil {
-		v.Error = c.Error.error(nil)
-	}
-	return v
-}
-
-// wireError is a subset of fields of the Problem Details object
-// as described in https://tools.ietf.org/html/rfc7807#section-3.1.
-type wireError struct {
-	Status int
-	Type   string
-	Detail string
-}
-
-func (e *wireError) error(h http.Header) *Error {
-	return &Error{
-		StatusCode:  e.Status,
-		ProblemType: e.Type,
-		Detail:      e.Detail,
-		Header:      h,
-	}
-}
-
-// CertOption is an optional argument type for the TLS ChallengeCert methods for
-// customizing a temporary certificate for TLS-based challenges.
-type CertOption interface {
-	privateCertOpt()
-}
-
-// WithKey creates an option holding a private/public key pair.
-// The private part signs a certificate, and the public part represents the signee.
-func WithKey(key crypto.Signer) CertOption {
-	return &certOptKey{key}
-}
-
-type certOptKey struct {
-	key crypto.Signer
-}
-
-func (*certOptKey) privateCertOpt() {}
-
-// WithTemplate creates an option for specifying a certificate template.
-// See x509.CreateCertificate for template usage details.
-//
-// In TLS ChallengeCert methods, the template is also used as parent,
-// resulting in a self-signed certificate.
-// The DNSNames field of t is always overwritten for tls-sni challenge certs.
-func WithTemplate(t *x509.Certificate) CertOption {
-	return (*certOptTemplate)(t)
-}
-
-type certOptTemplate x509.Certificate
-
-func (*certOptTemplate) privateCertOpt() {}

vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go

@@ -1,77 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-/*
-Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC
-2898 / PKCS #5 v2.0.
-
-A key derivation function is useful when encrypting data based on a password
-or any other not-fully-random data. It uses a pseudorandom function to derive
-a secure encryption key based on the password.
-
-While v2.0 of the standard defines only one pseudorandom function to use,
-HMAC-SHA1, the drafted v2.1 specification allows use of all five FIPS Approved
-Hash Functions SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 for HMAC. To
-choose, you can pass the `New` functions from the different SHA packages to
-pbkdf2.Key.
-*/
-package pbkdf2 // import "golang.org/x/crypto/pbkdf2"
-
-import (
-	"crypto/hmac"
-	"hash"
-)
-
-// Key derives a key from the password, salt and iteration count, returning a
-// []byte of length keylen that can be used as cryptographic key. The key is
-// derived based on the method described as PBKDF2 with the HMAC variant using
-// the supplied hash function.
-//
-// For example, to use a HMAC-SHA-1 based PBKDF2 key derivation function, you
-// can get a derived key for e.g. AES-256 (which needs a 32-byte key) by
-// doing:
-//
-// 	dk := pbkdf2.Key([]byte("some password"), salt, 4096, 32, sha1.New)
-//
-// Remember to get a good random salt. At least 8 bytes is recommended by the
-// RFC.
-//
-// Using a higher iteration count will increase the cost of an exhaustive
-// search but will also make derivation proportionally slower.
-func Key(password, salt []byte, iter, keyLen int, h func() hash.Hash) []byte {
-	prf := hmac.New(h, password)
-	hashLen := prf.Size()
-	numBlocks := (keyLen + hashLen - 1) / hashLen
-
-	var buf [4]byte
-	dk := make([]byte, 0, numBlocks*hashLen)
-	U := make([]byte, hashLen)
-	for block := 1; block <= numBlocks; block++ {
-		// N.B.: || means concatenation, ^ means XOR
-		// for each block T_i = U_1 ^ U_2 ^ ... ^ U_iter
-		// U_1 = PRF(password, salt || uint(i))
-		prf.Reset()
-		prf.Write(salt)
-		buf[0] = byte(block >> 24)
-		buf[1] = byte(block >> 16)
-		buf[2] = byte(block >> 8)
-		buf[3] = byte(block)
-		prf.Write(buf[:4])
-		dk = prf.Sum(dk)
-		T := dk[len(dk)-hashLen:]
-		copy(U, T)
-
-		// U_n = PRF(password, U_(n-1))
-		for n := 2; n <= iter; n++ {
-			prf.Reset()
-			prf.Write(U)
-			U = U[:0]
-			U = prf.Sum(U)
-			for x := range U {
-				T[x] ^= U[x]
-			}
-		}
-	}
-	return dk[:keyLen]
-}

vendor/gopkg.in/yaml.v2/LICENSE

@@ -1,201 +0,0 @@
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
-      (an example is provided in the Appendix below).
-
-      "Derivative Works" shall mean any work, whether in Source or Object
-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
-
-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
-      or by an individual or Legal Entity authorized to submit on behalf of
-      the copyright owner. For the purposes of this definition, "submitted"
-      means any form of electronic, verbal, or written communication sent
-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
-      excluding communication that is conspicuously marked or otherwise
-      designated in writing by the copyright owner as "Not a Contribution."
-
-      "Contributor" shall mean Licensor and any individual or Legal Entity
-      on behalf of whom a Contribution has been received by Licensor and
-      subsequently incorporated within the Work.
-
-   2. Grant of Copyright License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      copyright license to reproduce, prepare Derivative Works of,
-      publicly display, publicly perform, sublicense, and distribute the
-      Work and such Derivative Works in Source or Object form.
-
-   3. Grant of Patent License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      (except as stated in this section) patent license to make, have made,
-      use, offer to sell, sell, import, and otherwise transfer the Work,
-      where such license applies only to those patent claims licensable
-      by such Contributor that are necessarily infringed by their
-      Contribution(s) alone or by combination of their Contribution(s)
-      with the Work to which such Contribution(s) was submitted. If You
-      institute patent litigation against any entity (including a
-      cross-claim or counterclaim in a lawsuit) alleging that the Work
-      or a Contribution incorporated within the Work constitutes direct
-      or contributory patent infringement, then any patent licenses
-      granted to You under this License for that Work shall terminate
-      as of the date such litigation is filed.
-
-   4. Redistribution. You may reproduce and distribute copies of the
-      Work or Derivative Works thereof in any medium, with or without
-      modifications, and in Source or Object form, provided that You
-      meet the following conditions:
-
-      (a) You must give any other recipients of the Work or
-          Derivative Works a copy of this License; and
-
-      (b) You must cause any modified files to carry prominent notices
-          stating that You changed the files; and
-
-      (c) You must retain, in the Source form of any Derivative Works
-          that You distribute, all copyright, patent, trademark, and
-          attribution notices from the Source form of the Work,
-          excluding those notices that do not pertain to any part of
-          the Derivative Works; and
-
-      (d) If the Work includes a "NOTICE" text file as part of its
-          distribution, then any Derivative Works that You distribute must
-          include a readable copy of the attribution notices contained
-          within such NOTICE file, excluding those notices that do not
-          pertain to any part of the Derivative Works, in at least one
-          of the following places: within a NOTICE text file distributed
-          as part of the Derivative Works; within the Source form or
-          documentation, if provided along with the Derivative Works; or,
-          within a display generated by the Derivative Works, if and
-          wherever such third-party notices normally appear. The contents
-          of the NOTICE file are for informational purposes only and
-          do not modify the License. You may add Your own attribution
-          notices within Derivative Works that You distribute, alongside
-          or as an addendum to the NOTICE text from the Work, provided
-          that such additional attribution notices cannot be construed
-          as modifying the License.
-
-      You may add Your own copyright statement to Your modifications and
-      may provide additional or different license terms and conditions
-      for use, reproduction, or distribution of Your modifications, or
-      for any such Derivative Works as a whole, provided Your use,
-      reproduction, and distribution of the Work otherwise complies with
-      the conditions stated in this License.
-
-   5. Submission of Contributions. Unless You explicitly state otherwise,
-      any Contribution intentionally submitted for inclusion in the Work
-      by You to the Licensor shall be under the terms and conditions of
-      this License, without any additional terms or conditions.
-      Notwithstanding the above, nothing herein shall supersede or modify
-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
-
-   6. Trademarks. This License does not grant permission to use the trade
-      names, trademarks, service marks, or product names of the Licensor,
-      except as required for reasonable and customary use in describing the
-      origin of the Work and reproducing the content of the NOTICE file.
-
-   7. Disclaimer of Warranty. Unless required by applicable law or
-      agreed to in writing, Licensor provides the Work (and each
-      Contributor provides its Contributions) on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-      implied, including, without limitation, any warranties or conditions
-      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
-      PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of using or redistributing the Work and assume any
-      risks associated with Your exercise of permissions under this License.
-
-   8. Limitation of Liability. In no event and under no legal theory,
-      whether in tort (including negligence), contract, or otherwise,
-      unless required by applicable law (such as deliberate and grossly
-      negligent acts) or agreed to in writing, shall any Contributor be
-      liable to You for damages, including any direct, indirect, special,
-      incidental, or consequential damages of any character arising as a
-      result of this License or out of the use or inability to use the
-      Work (including but not limited to damages for loss of goodwill,
-      work stoppage, computer failure or malfunction, or any and all
-      other commercial damages or losses), even if such Contributor
-      has been advised of the possibility of such damages.
-
-   9. Accepting Warranty or Additional Liability. While redistributing
-      the Work or Derivative Works thereof, You may choose to offer,
-      and charge a fee for, acceptance of support, warranty, indemnity,
-      or other liability obligations and/or rights consistent with this
-      License. However, in accepting such obligations, You may act only
-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
-      of your accepting any such warranty or additional liability.
-
-   END OF TERMS AND CONDITIONS
-
-   APPENDIX: How to apply the Apache License to your work.
-
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "{}"
-      replaced with your own identifying information. (Don't include
-      the brackets!)  The text should be enclosed in the appropriate
-      comment syntax for the file format. We also recommend that a
-      file or class name and description of purpose be included on the
-      same "printed page" as the copyright notice for easier
-      identification within third-party archives.
-
-   Copyright {yyyy} {name of copyright owner}
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.

vendor/gopkg.in/yaml.v2/LICENSE.libyaml

@@ -1,31 +0,0 @@
-The following files were ported to Go from C files of libyaml, and thus
-are still covered by their original copyright and license:
-
-    apic.go
-    emitterc.go
-    parserc.go
-    readerc.go
-    scannerc.go
-    writerc.go
-    yamlh.go
-    yamlprivateh.go
-
-Copyright (c) 2006 Kirill Simonov
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

vendor/gopkg.in/yaml.v2/NOTICE

@@ -1,13 +0,0 @@
-Copyright 2011-2016 Canonical Ltd.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.

vendor/gopkg.in/yaml.v2/README.md

@@ -1,133 +0,0 @@
-# YAML support for the Go language
-
-Introduction
-------------
-
-The yaml package enables Go programs to comfortably encode and decode YAML
-values. It was developed within [Canonical](https://www.canonical.com) as
-part of the [juju](https://juju.ubuntu.com) project, and is based on a
-pure Go port of the well-known [libyaml](http://pyyaml.org/wiki/LibYAML)
-C library to parse and generate YAML data quickly and reliably.
-
-Compatibility
--------------
-
-The yaml package supports most of YAML 1.1 and 1.2, including support for
-anchors, tags, map merging, etc. Multi-document unmarshalling is not yet
-implemented, and base-60 floats from YAML 1.1 are purposefully not
-supported since they're a poor design and are gone in YAML 1.2.
-
-Installation and usage
-----------------------
-
-The import path for the package is *gopkg.in/yaml.v2*.
-
-To install it, run:
-
-    go get gopkg.in/yaml.v2
-
-API documentation
------------------
-
-If opened in a browser, the import path itself leads to the API documentation:
-
-  * [https://gopkg.in/yaml.v2](https://gopkg.in/yaml.v2)
-
-API stability
--------------
-
-The package API for yaml v2 will remain stable as described in [gopkg.in](https://gopkg.in).
-
-
-License
--------
-
-The yaml package is licensed under the Apache License 2.0. Please see the LICENSE file for details.
-
-
-Example
--------
-
-```Go
-package main
-
-import (
-        "fmt"
-        "log"
-
-        "gopkg.in/yaml.v2"
-)
-
-var data = `
-a: Easy!
-b:
-  c: 2
-  d: [3, 4]
-`
-
-// Note: struct fields must be public in order for unmarshal to
-// correctly populate the data.
-type T struct {
-        A string
-        B struct {
-                RenamedC int   `yaml:"c"`
-                D        []int `yaml:",flow"`
-        }
-}
-
-func main() {
-        t := T{}
-    
-        err := yaml.Unmarshal([]byte(data), &t)
-        if err != nil {
-                log.Fatalf("error: %v", err)
-        }
-        fmt.Printf("--- t:\n%v\n\n", t)
-    
-        d, err := yaml.Marshal(&t)
-        if err != nil {
-                log.Fatalf("error: %v", err)
-        }
-        fmt.Printf("--- t dump:\n%s\n\n", string(d))
-    
-        m := make(map[interface{}]interface{})
-    
-        err = yaml.Unmarshal([]byte(data), &m)
-        if err != nil {
-                log.Fatalf("error: %v", err)
-        }
-        fmt.Printf("--- m:\n%v\n\n", m)
-    
-        d, err = yaml.Marshal(&m)
-        if err != nil {
-                log.Fatalf("error: %v", err)
-        }
-        fmt.Printf("--- m dump:\n%s\n\n", string(d))
-}
-```
-
-This example will generate the following output:
-
-```
---- t:
-{Easy! {2 [3 4]}}
-
---- t dump:
-a: Easy!
-b:
-  c: 2
-  d: [3, 4]
-
-
---- m:
-map[a:Easy! b:map[c:2 d:[3 4]]]
-
---- m dump:
-a: Easy!
-b:
-  c: 2
-  d:
-  - 3
-  - 4
-```
-

vendor/gopkg.in/yaml.v2/apic.go

@@ -1,739 +0,0 @@
-package yaml
-
-import (
-	"io"
-)
-
-func yaml_insert_token(parser *yaml_parser_t, pos int, token *yaml_token_t) {
-	//fmt.Println("yaml_insert_token", "pos:", pos, "typ:", token.typ, "head:", parser.tokens_head, "len:", len(parser.tokens))
-
-	// Check if we can move the queue at the beginning of the buffer.
-	if parser.tokens_head > 0 && len(parser.tokens) == cap(parser.tokens) {
-		if parser.tokens_head != len(parser.tokens) {
-			copy(parser.tokens, parser.tokens[parser.tokens_head:])
-		}
-		parser.tokens = parser.tokens[:len(parser.tokens)-parser.tokens_head]
-		parser.tokens_head = 0
-	}
-	parser.tokens = append(parser.tokens, *token)
-	if pos < 0 {
-		return
-	}
-	copy(parser.tokens[parser.tokens_head+pos+1:], parser.tokens[parser.tokens_head+pos:])
-	parser.tokens[parser.tokens_head+pos] = *token
-}
-
-// Create a new parser object.
-func yaml_parser_initialize(parser *yaml_parser_t) bool {
-	*parser = yaml_parser_t{
-		raw_buffer: make([]byte, 0, input_raw_buffer_size),
-		buffer:     make([]byte, 0, input_buffer_size),
-	}
-	return true
-}
-
-// Destroy a parser object.
-func yaml_parser_delete(parser *yaml_parser_t) {
-	*parser = yaml_parser_t{}
-}
-
-// String read handler.
-func yaml_string_read_handler(parser *yaml_parser_t, buffer []byte) (n int, err error) {
-	if parser.input_pos == len(parser.input) {
-		return 0, io.EOF
-	}
-	n = copy(buffer, parser.input[parser.input_pos:])
-	parser.input_pos += n
-	return n, nil
-}
-
-// Reader read handler.
-func yaml_reader_read_handler(parser *yaml_parser_t, buffer []byte) (n int, err error) {
-	return parser.input_reader.Read(buffer)
-}
-
-// Set a string input.
-func yaml_parser_set_input_string(parser *yaml_parser_t, input []byte) {
-	if parser.read_handler != nil {
-		panic("must set the input source only once")
-	}
-	parser.read_handler = yaml_string_read_handler
-	parser.input = input
-	parser.input_pos = 0
-}
-
-// Set a file input.
-func yaml_parser_set_input_reader(parser *yaml_parser_t, r io.Reader) {
-	if parser.read_handler != nil {
-		panic("must set the input source only once")
-	}
-	parser.read_handler = yaml_reader_read_handler
-	parser.input_reader = r
-}
-
-// Set the source encoding.
-func yaml_parser_set_encoding(parser *yaml_parser_t, encoding yaml_encoding_t) {
-	if parser.encoding != yaml_ANY_ENCODING {
-		panic("must set the encoding only once")
-	}
-	parser.encoding = encoding
-}
-
-// Create a new emitter object.
-func yaml_emitter_initialize(emitter *yaml_emitter_t) {
-	*emitter = yaml_emitter_t{
-		buffer:     make([]byte, output_buffer_size),
-		raw_buffer: make([]byte, 0, output_raw_buffer_size),
-		states:     make([]yaml_emitter_state_t, 0, initial_stack_size),
-		events:     make([]yaml_event_t, 0, initial_queue_size),
-	}
-}
-
-// Destroy an emitter object.
-func yaml_emitter_delete(emitter *yaml_emitter_t) {
-	*emitter = yaml_emitter_t{}
-}
-
-// String write handler.
-func yaml_string_write_handler(emitter *yaml_emitter_t, buffer []byte) error {
-	*emitter.output_buffer = append(*emitter.output_buffer, buffer...)
-	return nil
-}
-
-// yaml_writer_write_handler uses emitter.output_writer to write the
-// emitted text.
-func yaml_writer_write_handler(emitter *yaml_emitter_t, buffer []byte) error {
-	_, err := emitter.output_writer.Write(buffer)
-	return err
-}
-
-// Set a string output.
-func yaml_emitter_set_output_string(emitter *yaml_emitter_t, output_buffer *[]byte) {
-	if emitter.write_handler != nil {
-		panic("must set the output target only once")
-	}
-	emitter.write_handler = yaml_string_write_handler
-	emitter.output_buffer = output_buffer
-}
-
-// Set a file output.
-func yaml_emitter_set_output_writer(emitter *yaml_emitter_t, w io.Writer) {
-	if emitter.write_handler != nil {
-		panic("must set the output target only once")
-	}
-	emitter.write_handler = yaml_writer_write_handler
-	emitter.output_writer = w
-}
-
-// Set the output encoding.
-func yaml_emitter_set_encoding(emitter *yaml_emitter_t, encoding yaml_encoding_t) {
-	if emitter.encoding != yaml_ANY_ENCODING {
-		panic("must set the output encoding only once")
-	}
-	emitter.encoding = encoding
-}
-
-// Set the canonical output style.
-func yaml_emitter_set_canonical(emitter *yaml_emitter_t, canonical bool) {
-	emitter.canonical = canonical
-}
-
-//// Set the indentation increment.
-func yaml_emitter_set_indent(emitter *yaml_emitter_t, indent int) {
-	if indent < 2 || indent > 9 {
-		indent = 2
-	}
-	emitter.best_indent = indent
-}
-
-// Set the preferred line width.
-func yaml_emitter_set_width(emitter *yaml_emitter_t, width int) {
-	if width < 0 {
-		width = -1
-	}
-	emitter.best_width = width
-}
-
-// Set if unescaped non-ASCII characters are allowed.
-func yaml_emitter_set_unicode(emitter *yaml_emitter_t, unicode bool) {
-	emitter.unicode = unicode
-}
-
-// Set the preferred line break character.
-func yaml_emitter_set_break(emitter *yaml_emitter_t, line_break yaml_break_t) {
-	emitter.line_break = line_break
-}
-
-///*
-// * Destroy a token object.
-// */
-//
-//YAML_DECLARE(void)
-//yaml_token_delete(yaml_token_t *token)
-//{
-//    assert(token);  // Non-NULL token object expected.
-//
-//    switch (token.type)
-//    {
-//        case YAML_TAG_DIRECTIVE_TOKEN:
-//            yaml_free(token.data.tag_directive.handle);
-//            yaml_free(token.data.tag_directive.prefix);
-//            break;
-//
-//        case YAML_ALIAS_TOKEN:
-//            yaml_free(token.data.alias.value);
-//            break;
-//
-//        case YAML_ANCHOR_TOKEN:
-//            yaml_free(token.data.anchor.value);
-//            break;
-//
-//        case YAML_TAG_TOKEN:
-//            yaml_free(token.data.tag.handle);
-//            yaml_free(token.data.tag.suffix);
-//            break;
-//
-//        case YAML_SCALAR_TOKEN:
-//            yaml_free(token.data.scalar.value);
-//            break;
-//
-//        default:
-//            break;
-//    }
-//
-//    memset(token, 0, sizeof(yaml_token_t));
-//}
-//
-///*
-// * Check if a string is a valid UTF-8 sequence.
-// *
-// * Check 'reader.c' for more details on UTF-8 encoding.
-// */
-//
-//static int
-//yaml_check_utf8(yaml_char_t *start, size_t length)
-//{
-//    yaml_char_t *end = start+length;
-//    yaml_char_t *pointer = start;
-//
-//    while (pointer < end) {
-//        unsigned char octet;
-//        unsigned int width;
-//        unsigned int value;
-//        size_t k;
-//
-//        octet = pointer[0];
-//        width = (octet & 0x80) == 0x00 ? 1 :
-//                (octet & 0xE0) == 0xC0 ? 2 :
-//                (octet & 0xF0) == 0xE0 ? 3 :
-//                (octet & 0xF8) == 0xF0 ? 4 : 0;
-//        value = (octet & 0x80) == 0x00 ? octet & 0x7F :
-//                (octet & 0xE0) == 0xC0 ? octet & 0x1F :
-//                (octet & 0xF0) == 0xE0 ? octet & 0x0F :
-//                (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0;
-//        if (!width) return 0;
-//        if (pointer+width > end) return 0;
-//        for (k = 1; k < width; k ++) {
-//            octet = pointer[k];
-//            if ((octet & 0xC0) != 0x80) return 0;
-//            value = (value << 6) + (octet & 0x3F);
-//        }
-//        if (!((width == 1) ||
-//            (width == 2 && value >= 0x80) ||
-//            (width == 3 && value >= 0x800) ||
-//            (width == 4 && value >= 0x10000))) return 0;
-//
-//        pointer += width;
-//    }
-//
-//    return 1;
-//}
-//
-
-// Create STREAM-START.
-func yaml_stream_start_event_initialize(event *yaml_event_t, encoding yaml_encoding_t) {
-	*event = yaml_event_t{
-		typ:      yaml_STREAM_START_EVENT,
-		encoding: encoding,
-	}
-}
-
-// Create STREAM-END.
-func yaml_stream_end_event_initialize(event *yaml_event_t) {
-	*event = yaml_event_t{
-		typ: yaml_STREAM_END_EVENT,
-	}
-}
-
-// Create DOCUMENT-START.
-func yaml_document_start_event_initialize(
-	event *yaml_event_t,
-	version_directive *yaml_version_directive_t,
-	tag_directives []yaml_tag_directive_t,
-	implicit bool,
-) {
-	*event = yaml_event_t{
-		typ:               yaml_DOCUMENT_START_EVENT,
-		version_directive: version_directive,
-		tag_directives:    tag_directives,
-		implicit:          implicit,
-	}
-}
-
-// Create DOCUMENT-END.
-func yaml_document_end_event_initialize(event *yaml_event_t, implicit bool) {
-	*event = yaml_event_t{
-		typ:      yaml_DOCUMENT_END_EVENT,
-		implicit: implicit,
-	}
-}
-
-///*
-// * Create ALIAS.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_alias_event_initialize(event *yaml_event_t, anchor *yaml_char_t)
-//{
-//    mark yaml_mark_t = { 0, 0, 0 }
-//    anchor_copy *yaml_char_t = NULL
-//
-//    assert(event) // Non-NULL event object is expected.
-//    assert(anchor) // Non-NULL anchor is expected.
-//
-//    if (!yaml_check_utf8(anchor, strlen((char *)anchor))) return 0
-//
-//    anchor_copy = yaml_strdup(anchor)
-//    if (!anchor_copy)
-//        return 0
-//
-//    ALIAS_EVENT_INIT(*event, anchor_copy, mark, mark)
-//
-//    return 1
-//}
-
-// Create SCALAR.
-func yaml_scalar_event_initialize(event *yaml_event_t, anchor, tag, value []byte, plain_implicit, quoted_implicit bool, style yaml_scalar_style_t) bool {
-	*event = yaml_event_t{
-		typ:             yaml_SCALAR_EVENT,
-		anchor:          anchor,
-		tag:             tag,
-		value:           value,
-		implicit:        plain_implicit,
-		quoted_implicit: quoted_implicit,
-		style:           yaml_style_t(style),
-	}
-	return true
-}
-
-// Create SEQUENCE-START.
-func yaml_sequence_start_event_initialize(event *yaml_event_t, anchor, tag []byte, implicit bool, style yaml_sequence_style_t) bool {
-	*event = yaml_event_t{
-		typ:      yaml_SEQUENCE_START_EVENT,
-		anchor:   anchor,
-		tag:      tag,
-		implicit: implicit,
-		style:    yaml_style_t(style),
-	}
-	return true
-}
-
-// Create SEQUENCE-END.
-func yaml_sequence_end_event_initialize(event *yaml_event_t) bool {
-	*event = yaml_event_t{
-		typ: yaml_SEQUENCE_END_EVENT,
-	}
-	return true
-}
-
-// Create MAPPING-START.
-func yaml_mapping_start_event_initialize(event *yaml_event_t, anchor, tag []byte, implicit bool, style yaml_mapping_style_t) {
-	*event = yaml_event_t{
-		typ:      yaml_MAPPING_START_EVENT,
-		anchor:   anchor,
-		tag:      tag,
-		implicit: implicit,
-		style:    yaml_style_t(style),
-	}
-}
-
-// Create MAPPING-END.
-func yaml_mapping_end_event_initialize(event *yaml_event_t) {
-	*event = yaml_event_t{
-		typ: yaml_MAPPING_END_EVENT,
-	}
-}
-
-// Destroy an event object.
-func yaml_event_delete(event *yaml_event_t) {
-	*event = yaml_event_t{}
-}
-
-///*
-// * Create a document object.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_initialize(document *yaml_document_t,
-//        version_directive *yaml_version_directive_t,
-//        tag_directives_start *yaml_tag_directive_t,
-//        tag_directives_end *yaml_tag_directive_t,
-//        start_implicit int, end_implicit int)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    struct {
-//        start *yaml_node_t
-//        end *yaml_node_t
-//        top *yaml_node_t
-//    } nodes = { NULL, NULL, NULL }
-//    version_directive_copy *yaml_version_directive_t = NULL
-//    struct {
-//        start *yaml_tag_directive_t
-//        end *yaml_tag_directive_t
-//        top *yaml_tag_directive_t
-//    } tag_directives_copy = { NULL, NULL, NULL }
-//    value yaml_tag_directive_t = { NULL, NULL }
-//    mark yaml_mark_t = { 0, 0, 0 }
-//
-//    assert(document) // Non-NULL document object is expected.
-//    assert((tag_directives_start && tag_directives_end) ||
-//            (tag_directives_start == tag_directives_end))
-//                            // Valid tag directives are expected.
-//
-//    if (!STACK_INIT(&context, nodes, INITIAL_STACK_SIZE)) goto error
-//
-//    if (version_directive) {
-//        version_directive_copy = yaml_malloc(sizeof(yaml_version_directive_t))
-//        if (!version_directive_copy) goto error
-//        version_directive_copy.major = version_directive.major
-//        version_directive_copy.minor = version_directive.minor
-//    }
-//
-//    if (tag_directives_start != tag_directives_end) {
-//        tag_directive *yaml_tag_directive_t
-//        if (!STACK_INIT(&context, tag_directives_copy, INITIAL_STACK_SIZE))
-//            goto error
-//        for (tag_directive = tag_directives_start
-//                tag_directive != tag_directives_end; tag_directive ++) {
-//            assert(tag_directive.handle)
-//            assert(tag_directive.prefix)
-//            if (!yaml_check_utf8(tag_directive.handle,
-//                        strlen((char *)tag_directive.handle)))
-//                goto error
-//            if (!yaml_check_utf8(tag_directive.prefix,
-//                        strlen((char *)tag_directive.prefix)))
-//                goto error
-//            value.handle = yaml_strdup(tag_directive.handle)
-//            value.prefix = yaml_strdup(tag_directive.prefix)
-//            if (!value.handle || !value.prefix) goto error
-//            if (!PUSH(&context, tag_directives_copy, value))
-//                goto error
-//            value.handle = NULL
-//            value.prefix = NULL
-//        }
-//    }
-//
-//    DOCUMENT_INIT(*document, nodes.start, nodes.end, version_directive_copy,
-//            tag_directives_copy.start, tag_directives_copy.top,
-//            start_implicit, end_implicit, mark, mark)
-//
-//    return 1
-//
-//error:
-//    STACK_DEL(&context, nodes)
-//    yaml_free(version_directive_copy)
-//    while (!STACK_EMPTY(&context, tag_directives_copy)) {
-//        value yaml_tag_directive_t = POP(&context, tag_directives_copy)
-//        yaml_free(value.handle)
-//        yaml_free(value.prefix)
-//    }
-//    STACK_DEL(&context, tag_directives_copy)
-//    yaml_free(value.handle)
-//    yaml_free(value.prefix)
-//
-//    return 0
-//}
-//
-///*
-// * Destroy a document object.
-// */
-//
-//YAML_DECLARE(void)
-//yaml_document_delete(document *yaml_document_t)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    tag_directive *yaml_tag_directive_t
-//
-//    context.error = YAML_NO_ERROR // Eliminate a compiler warning.
-//
-//    assert(document) // Non-NULL document object is expected.
-//
-//    while (!STACK_EMPTY(&context, document.nodes)) {
-//        node yaml_node_t = POP(&context, document.nodes)
-//        yaml_free(node.tag)
-//        switch (node.type) {
-//            case YAML_SCALAR_NODE:
-//                yaml_free(node.data.scalar.value)
-//                break
-//            case YAML_SEQUENCE_NODE:
-//                STACK_DEL(&context, node.data.sequence.items)
-//                break
-//            case YAML_MAPPING_NODE:
-//                STACK_DEL(&context, node.data.mapping.pairs)
-//                break
-//            default:
-//                assert(0) // Should not happen.
-//        }
-//    }
-//    STACK_DEL(&context, document.nodes)
-//
-//    yaml_free(document.version_directive)
-//    for (tag_directive = document.tag_directives.start
-//            tag_directive != document.tag_directives.end
-//            tag_directive++) {
-//        yaml_free(tag_directive.handle)
-//        yaml_free(tag_directive.prefix)
-//    }
-//    yaml_free(document.tag_directives.start)
-//
-//    memset(document, 0, sizeof(yaml_document_t))
-//}
-//
-///**
-// * Get a document node.
-// */
-//
-//YAML_DECLARE(yaml_node_t *)
-//yaml_document_get_node(document *yaml_document_t, index int)
-//{
-//    assert(document) // Non-NULL document object is expected.
-//
-//    if (index > 0 && document.nodes.start + index <= document.nodes.top) {
-//        return document.nodes.start + index - 1
-//    }
-//    return NULL
-//}
-//
-///**
-// * Get the root object.
-// */
-//
-//YAML_DECLARE(yaml_node_t *)
-//yaml_document_get_root_node(document *yaml_document_t)
-//{
-//    assert(document) // Non-NULL document object is expected.
-//
-//    if (document.nodes.top != document.nodes.start) {
-//        return document.nodes.start
-//    }
-//    return NULL
-//}
-//
-///*
-// * Add a scalar node to a document.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_add_scalar(document *yaml_document_t,
-//        tag *yaml_char_t, value *yaml_char_t, length int,
-//        style yaml_scalar_style_t)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    mark yaml_mark_t = { 0, 0, 0 }
-//    tag_copy *yaml_char_t = NULL
-//    value_copy *yaml_char_t = NULL
-//    node yaml_node_t
-//
-//    assert(document) // Non-NULL document object is expected.
-//    assert(value) // Non-NULL value is expected.
-//
-//    if (!tag) {
-//        tag = (yaml_char_t *)YAML_DEFAULT_SCALAR_TAG
-//    }
-//
-//    if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
-//    tag_copy = yaml_strdup(tag)
-//    if (!tag_copy) goto error
-//
-//    if (length < 0) {
-//        length = strlen((char *)value)
-//    }
-//
-//    if (!yaml_check_utf8(value, length)) goto error
-//    value_copy = yaml_malloc(length+1)
-//    if (!value_copy) goto error
-//    memcpy(value_copy, value, length)
-//    value_copy[length] = '\0'
-//
-//    SCALAR_NODE_INIT(node, tag_copy, value_copy, length, style, mark, mark)
-//    if (!PUSH(&context, document.nodes, node)) goto error
-//
-//    return document.nodes.top - document.nodes.start
-//
-//error:
-//    yaml_free(tag_copy)
-//    yaml_free(value_copy)
-//
-//    return 0
-//}
-//
-///*
-// * Add a sequence node to a document.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_add_sequence(document *yaml_document_t,
-//        tag *yaml_char_t, style yaml_sequence_style_t)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    mark yaml_mark_t = { 0, 0, 0 }
-//    tag_copy *yaml_char_t = NULL
-//    struct {
-//        start *yaml_node_item_t
-//        end *yaml_node_item_t
-//        top *yaml_node_item_t
-//    } items = { NULL, NULL, NULL }
-//    node yaml_node_t
-//
-//    assert(document) // Non-NULL document object is expected.
-//
-//    if (!tag) {
-//        tag = (yaml_char_t *)YAML_DEFAULT_SEQUENCE_TAG
-//    }
-//
-//    if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
-//    tag_copy = yaml_strdup(tag)
-//    if (!tag_copy) goto error
-//
-//    if (!STACK_INIT(&context, items, INITIAL_STACK_SIZE)) goto error
-//
-//    SEQUENCE_NODE_INIT(node, tag_copy, items.start, items.end,
-//            style, mark, mark)
-//    if (!PUSH(&context, document.nodes, node)) goto error
-//
-//    return document.nodes.top - document.nodes.start
-//
-//error:
-//    STACK_DEL(&context, items)
-//    yaml_free(tag_copy)
-//
-//    return 0
-//}
-//
-///*
-// * Add a mapping node to a document.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_add_mapping(document *yaml_document_t,
-//        tag *yaml_char_t, style yaml_mapping_style_t)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    mark yaml_mark_t = { 0, 0, 0 }
-//    tag_copy *yaml_char_t = NULL
-//    struct {
-//        start *yaml_node_pair_t
-//        end *yaml_node_pair_t
-//        top *yaml_node_pair_t
-//    } pairs = { NULL, NULL, NULL }
-//    node yaml_node_t
-//
-//    assert(document) // Non-NULL document object is expected.
-//
-//    if (!tag) {
-//        tag = (yaml_char_t *)YAML_DEFAULT_MAPPING_TAG
-//    }
-//
-//    if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
-//    tag_copy = yaml_strdup(tag)
-//    if (!tag_copy) goto error
-//
-//    if (!STACK_INIT(&context, pairs, INITIAL_STACK_SIZE)) goto error
-//
-//    MAPPING_NODE_INIT(node, tag_copy, pairs.start, pairs.end,
-//            style, mark, mark)
-//    if (!PUSH(&context, document.nodes, node)) goto error
-//
-//    return document.nodes.top - document.nodes.start
-//
-//error:
-//    STACK_DEL(&context, pairs)
-//    yaml_free(tag_copy)
-//
-//    return 0
-//}
-//
-///*
-// * Append an item to a sequence node.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_append_sequence_item(document *yaml_document_t,
-//        sequence int, item int)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//
-//    assert(document) // Non-NULL document is required.
-//    assert(sequence > 0
-//            && document.nodes.start + sequence <= document.nodes.top)
-//                            // Valid sequence id is required.
-//    assert(document.nodes.start[sequence-1].type == YAML_SEQUENCE_NODE)
-//                            // A sequence node is required.
-//    assert(item > 0 && document.nodes.start + item <= document.nodes.top)
-//                            // Valid item id is required.
-//
-//    if (!PUSH(&context,
-//                document.nodes.start[sequence-1].data.sequence.items, item))
-//        return 0
-//
-//    return 1
-//}
-//
-///*
-// * Append a pair of a key and a value to a mapping node.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_append_mapping_pair(document *yaml_document_t,
-//        mapping int, key int, value int)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//
-//    pair yaml_node_pair_t
-//
-//    assert(document) // Non-NULL document is required.
-//    assert(mapping > 0
-//            && document.nodes.start + mapping <= document.nodes.top)
-//                            // Valid mapping id is required.
-//    assert(document.nodes.start[mapping-1].type == YAML_MAPPING_NODE)
-//                            // A mapping node is required.
-//    assert(key > 0 && document.nodes.start + key <= document.nodes.top)
-//                            // Valid key id is required.
-//    assert(value > 0 && document.nodes.start + value <= document.nodes.top)
-//                            // Valid value id is required.
-//
-//    pair.key = key
-//    pair.value = value
-//
-//    if (!PUSH(&context,
-//                document.nodes.start[mapping-1].data.mapping.pairs, pair))
-//        return 0
-//
-//    return 1
-//}
-//
-//

vendor/gopkg.in/yaml.v2/decode.go

@@ -1,775 +0,0 @@
-package yaml
-
-import (
-	"encoding"
-	"encoding/base64"
-	"fmt"
-	"io"
-	"math"
-	"reflect"
-	"strconv"
-	"time"
-)
-
-const (
-	documentNode = 1 << iota
-	mappingNode
-	sequenceNode
-	scalarNode
-	aliasNode
-)
-
-type node struct {
-	kind         int
-	line, column int
-	tag          string
-	// For an alias node, alias holds the resolved alias.
-	alias    *node
-	value    string
-	implicit bool
-	children []*node
-	anchors  map[string]*node
-}
-
-// ----------------------------------------------------------------------------
-// Parser, produces a node tree out of a libyaml event stream.
-
-type parser struct {
-	parser   yaml_parser_t
-	event    yaml_event_t
-	doc      *node
-	doneInit bool
-}
-
-func newParser(b []byte) *parser {
-	p := parser{}
-	if !yaml_parser_initialize(&p.parser) {
-		panic("failed to initialize YAML emitter")
-	}
-	if len(b) == 0 {
-		b = []byte{'\n'}
-	}
-	yaml_parser_set_input_string(&p.parser, b)
-	return &p
-}
-
-func newParserFromReader(r io.Reader) *parser {
-	p := parser{}
-	if !yaml_parser_initialize(&p.parser) {
-		panic("failed to initialize YAML emitter")
-	}
-	yaml_parser_set_input_reader(&p.parser, r)
-	return &p
-}
-
-func (p *parser) init() {
-	if p.doneInit {
-		return
-	}
-	p.expect(yaml_STREAM_START_EVENT)
-	p.doneInit = true
-}
-
-func (p *parser) destroy() {
-	if p.event.typ != yaml_NO_EVENT {
-		yaml_event_delete(&p.event)
-	}
-	yaml_parser_delete(&p.parser)
-}
-
-// expect consumes an event from the event stream and
-// checks that it's of the expected type.
-func (p *parser) expect(e yaml_event_type_t) {
-	if p.event.typ == yaml_NO_EVENT {
-		if !yaml_parser_parse(&p.parser, &p.event) {
-			p.fail()
-		}
-	}
-	if p.event.typ == yaml_STREAM_END_EVENT {
-		failf("attempted to go past the end of stream; corrupted value?")
-	}
-	if p.event.typ != e {
-		p.parser.problem = fmt.Sprintf("expected %s event but got %s", e, p.event.typ)
-		p.fail()
-	}
-	yaml_event_delete(&p.event)
-	p.event.typ = yaml_NO_EVENT
-}
-
-// peek peeks at the next event in the event stream,
-// puts the results into p.event and returns the event type.
-func (p *parser) peek() yaml_event_type_t {
-	if p.event.typ != yaml_NO_EVENT {
-		return p.event.typ
-	}
-	if !yaml_parser_parse(&p.parser, &p.event) {
-		p.fail()
-	}
-	return p.event.typ
-}
-
-func (p *parser) fail() {
-	var where string
-	var line int
-	if p.parser.problem_mark.line != 0 {
-		line = p.parser.problem_mark.line
-		// Scanner errors don't iterate line before returning error
-		if p.parser.error == yaml_SCANNER_ERROR {
-			line++
-		}
-	} else if p.parser.context_mark.line != 0 {
-		line = p.parser.context_mark.line
-	}
-	if line != 0 {
-		where = "line " + strconv.Itoa(line) + ": "
-	}
-	var msg string
-	if len(p.parser.problem) > 0 {
-		msg = p.parser.problem
-	} else {
-		msg = "unknown problem parsing YAML content"
-	}
-	failf("%s%s", where, msg)
-}
-
-func (p *parser) anchor(n *node, anchor []byte) {
-	if anchor != nil {
-		p.doc.anchors[string(anchor)] = n
-	}
-}
-
-func (p *parser) parse() *node {
-	p.init()
-	switch p.peek() {
-	case yaml_SCALAR_EVENT:
-		return p.scalar()
-	case yaml_ALIAS_EVENT:
-		return p.alias()
-	case yaml_MAPPING_START_EVENT:
-		return p.mapping()
-	case yaml_SEQUENCE_START_EVENT:
-		return p.sequence()
-	case yaml_DOCUMENT_START_EVENT:
-		return p.document()
-	case yaml_STREAM_END_EVENT:
-		// Happens when attempting to decode an empty buffer.
-		return nil
-	default:
-		panic("attempted to parse unknown event: " + p.event.typ.String())
-	}
-}
-
-func (p *parser) node(kind int) *node {
-	return &node{
-		kind:   kind,
-		line:   p.event.start_mark.line,
-		column: p.event.start_mark.column,
-	}
-}
-
-func (p *parser) document() *node {
-	n := p.node(documentNode)
-	n.anchors = make(map[string]*node)
-	p.doc = n
-	p.expect(yaml_DOCUMENT_START_EVENT)
-	n.children = append(n.children, p.parse())
-	p.expect(yaml_DOCUMENT_END_EVENT)
-	return n
-}
-
-func (p *parser) alias() *node {
-	n := p.node(aliasNode)
-	n.value = string(p.event.anchor)
-	n.alias = p.doc.anchors[n.value]
-	if n.alias == nil {
-		failf("unknown anchor '%s' referenced", n.value)
-	}
-	p.expect(yaml_ALIAS_EVENT)
-	return n
-}
-
-func (p *parser) scalar() *node {
-	n := p.node(scalarNode)
-	n.value = string(p.event.value)
-	n.tag = string(p.event.tag)
-	n.implicit = p.event.implicit
-	p.anchor(n, p.event.anchor)
-	p.expect(yaml_SCALAR_EVENT)
-	return n
-}
-
-func (p *parser) sequence() *node {
-	n := p.node(sequenceNode)
-	p.anchor(n, p.event.anchor)
-	p.expect(yaml_SEQUENCE_START_EVENT)
-	for p.peek() != yaml_SEQUENCE_END_EVENT {
-		n.children = append(n.children, p.parse())
-	}
-	p.expect(yaml_SEQUENCE_END_EVENT)
-	return n
-}
-
-func (p *parser) mapping() *node {
-	n := p.node(mappingNode)
-	p.anchor(n, p.event.anchor)
-	p.expect(yaml_MAPPING_START_EVENT)
-	for p.peek() != yaml_MAPPING_END_EVENT {
-		n.children = append(n.children, p.parse(), p.parse())
-	}
-	p.expect(yaml_MAPPING_END_EVENT)
-	return n
-}
-
-// ----------------------------------------------------------------------------
-// Decoder, unmarshals a node into a provided value.
-
-type decoder struct {
-	doc     *node
-	aliases map[*node]bool
-	mapType reflect.Type
-	terrors []string
-	strict  bool
-}
-
-var (
-	mapItemType    = reflect.TypeOf(MapItem{})
-	durationType   = reflect.TypeOf(time.Duration(0))
-	defaultMapType = reflect.TypeOf(map[interface{}]interface{}{})
-	ifaceType      = defaultMapType.Elem()
-	timeType       = reflect.TypeOf(time.Time{})
-	ptrTimeType    = reflect.TypeOf(&time.Time{})
-)
-
-func newDecoder(strict bool) *decoder {
-	d := &decoder{mapType: defaultMapType, strict: strict}
-	d.aliases = make(map[*node]bool)
-	return d
-}
-
-func (d *decoder) terror(n *node, tag string, out reflect.Value) {
-	if n.tag != "" {
-		tag = n.tag
-	}
-	value := n.value
-	if tag != yaml_SEQ_TAG && tag != yaml_MAP_TAG {
-		if len(value) > 10 {
-			value = " `" + value[:7] + "...`"
-		} else {
-			value = " `" + value + "`"
-		}
-	}
-	d.terrors = append(d.terrors, fmt.Sprintf("line %d: cannot unmarshal %s%s into %s", n.line+1, shortTag(tag), value, out.Type()))
-}
-
-func (d *decoder) callUnmarshaler(n *node, u Unmarshaler) (good bool) {
-	terrlen := len(d.terrors)
-	err := u.UnmarshalYAML(func(v interface{}) (err error) {
-		defer handleErr(&err)
-		d.unmarshal(n, reflect.ValueOf(v))
-		if len(d.terrors) > terrlen {
-			issues := d.terrors[terrlen:]
-			d.terrors = d.terrors[:terrlen]
-			return &TypeError{issues}
-		}
-		return nil
-	})
-	if e, ok := err.(*TypeError); ok {
-		d.terrors = append(d.terrors, e.Errors...)
-		return false
-	}
-	if err != nil {
-		fail(err)
-	}
-	return true
-}
-
-// d.prepare initializes and dereferences pointers and calls UnmarshalYAML
-// if a value is found to implement it.
-// It returns the initialized and dereferenced out value, whether
-// unmarshalling was already done by UnmarshalYAML, and if so whether
-// its types unmarshalled appropriately.
-//
-// If n holds a null value, prepare returns before doing anything.
-func (d *decoder) prepare(n *node, out reflect.Value) (newout reflect.Value, unmarshaled, good bool) {
-	if n.tag == yaml_NULL_TAG || n.kind == scalarNode && n.tag == "" && (n.value == "null" || n.value == "~" || n.value == "" && n.implicit) {
-		return out, false, false
-	}
-	again := true
-	for again {
-		again = false
-		if out.Kind() == reflect.Ptr {
-			if out.IsNil() {
-				out.Set(reflect.New(out.Type().Elem()))
-			}
-			out = out.Elem()
-			again = true
-		}
-		if out.CanAddr() {
-			if u, ok := out.Addr().Interface().(Unmarshaler); ok {
-				good = d.callUnmarshaler(n, u)
-				return out, true, good
-			}
-		}
-	}
-	return out, false, false
-}
-
-func (d *decoder) unmarshal(n *node, out reflect.Value) (good bool) {
-	switch n.kind {
-	case documentNode:
-		return d.document(n, out)
-	case aliasNode:
-		return d.alias(n, out)
-	}
-	out, unmarshaled, good := d.prepare(n, out)
-	if unmarshaled {
-		return good
-	}
-	switch n.kind {
-	case scalarNode:
-		good = d.scalar(n, out)
-	case mappingNode:
-		good = d.mapping(n, out)
-	case sequenceNode:
-		good = d.sequence(n, out)
-	default:
-		panic("internal error: unknown node kind: " + strconv.Itoa(n.kind))
-	}
-	return good
-}
-
-func (d *decoder) document(n *node, out reflect.Value) (good bool) {
-	if len(n.children) == 1 {
-		d.doc = n
-		d.unmarshal(n.children[0], out)
-		return true
-	}
-	return false
-}
-
-func (d *decoder) alias(n *node, out reflect.Value) (good bool) {
-	if d.aliases[n] {
-		// TODO this could actually be allowed in some circumstances.
-		failf("anchor '%s' value contains itself", n.value)
-	}
-	d.aliases[n] = true
-	good = d.unmarshal(n.alias, out)
-	delete(d.aliases, n)
-	return good
-}
-
-var zeroValue reflect.Value
-
-func resetMap(out reflect.Value) {
-	for _, k := range out.MapKeys() {
-		out.SetMapIndex(k, zeroValue)
-	}
-}
-
-func (d *decoder) scalar(n *node, out reflect.Value) bool {
-	var tag string
-	var resolved interface{}
-	if n.tag == "" && !n.implicit {
-		tag = yaml_STR_TAG
-		resolved = n.value
-	} else {
-		tag, resolved = resolve(n.tag, n.value)
-		if tag == yaml_BINARY_TAG {
-			data, err := base64.StdEncoding.DecodeString(resolved.(string))
-			if err != nil {
-				failf("!!binary value contains invalid base64 data")
-			}
-			resolved = string(data)
-		}
-	}
-	if resolved == nil {
-		if out.Kind() == reflect.Map && !out.CanAddr() {
-			resetMap(out)
-		} else {
-			out.Set(reflect.Zero(out.Type()))
-		}
-		return true
-	}
-	if resolvedv := reflect.ValueOf(resolved); out.Type() == resolvedv.Type() {
-		// We've resolved to exactly the type we want, so use that.
-		out.Set(resolvedv)
-		return true
-	}
-	// Perhaps we can use the value as a TextUnmarshaler to
-	// set its value.
-	if out.CanAddr() {
-		u, ok := out.Addr().Interface().(encoding.TextUnmarshaler)
-		if ok {
-			var text []byte
-			if tag == yaml_BINARY_TAG {
-				text = []byte(resolved.(string))
-			} else {
-				// We let any value be unmarshaled into TextUnmarshaler.
-				// That might be more lax than we'd like, but the
-				// TextUnmarshaler itself should bowl out any dubious values.
-				text = []byte(n.value)
-			}
-			err := u.UnmarshalText(text)
-			if err != nil {
-				fail(err)
-			}
-			return true
-		}
-	}
-	switch out.Kind() {
-	case reflect.String:
-		if tag == yaml_BINARY_TAG {
-			out.SetString(resolved.(string))
-			return true
-		}
-		if resolved != nil {
-			out.SetString(n.value)
-			return true
-		}
-	case reflect.Interface:
-		if resolved == nil {
-			out.Set(reflect.Zero(out.Type()))
-		} else if tag == yaml_TIMESTAMP_TAG {
-			// It looks like a timestamp but for backward compatibility
-			// reasons we set it as a string, so that code that unmarshals
-			// timestamp-like values into interface{} will continue to
-			// see a string and not a time.Time.
-			// TODO(v3) Drop this.
-			out.Set(reflect.ValueOf(n.value))
-		} else {
-			out.Set(reflect.ValueOf(resolved))
-		}
-		return true
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		switch resolved := resolved.(type) {
-		case int:
-			if !out.OverflowInt(int64(resolved)) {
-				out.SetInt(int64(resolved))
-				return true
-			}
-		case int64:
-			if !out.OverflowInt(resolved) {
-				out.SetInt(resolved)
-				return true
-			}
-		case uint64:
-			if resolved <= math.MaxInt64 && !out.OverflowInt(int64(resolved)) {
-				out.SetInt(int64(resolved))
-				return true
-			}
-		case float64:
-			if resolved <= math.MaxInt64 && !out.OverflowInt(int64(resolved)) {
-				out.SetInt(int64(resolved))
-				return true
-			}
-		case string:
-			if out.Type() == durationType {
-				d, err := time.ParseDuration(resolved)
-				if err == nil {
-					out.SetInt(int64(d))
-					return true
-				}
-			}
-		}
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		switch resolved := resolved.(type) {
-		case int:
-			if resolved >= 0 && !out.OverflowUint(uint64(resolved)) {
-				out.SetUint(uint64(resolved))
-				return true
-			}
-		case int64:
-			if resolved >= 0 && !out.OverflowUint(uint64(resolved)) {
-				out.SetUint(uint64(resolved))
-				return true
-			}
-		case uint64:
-			if !out.OverflowUint(uint64(resolved)) {
-				out.SetUint(uint64(resolved))
-				return true
-			}
-		case float64:
-			if resolved <= math.MaxUint64 && !out.OverflowUint(uint64(resolved)) {
-				out.SetUint(uint64(resolved))
-				return true
-			}
-		}
-	case reflect.Bool:
-		switch resolved := resolved.(type) {
-		case bool:
-			out.SetBool(resolved)
-			return true
-		}
-	case reflect.Float32, reflect.Float64:
-		switch resolved := resolved.(type) {
-		case int:
-			out.SetFloat(float64(resolved))
-			return true
-		case int64:
-			out.SetFloat(float64(resolved))
-			return true
-		case uint64:
-			out.SetFloat(float64(resolved))
-			return true
-		case float64:
-			out.SetFloat(resolved)
-			return true
-		}
-	case reflect.Struct:
-		if resolvedv := reflect.ValueOf(resolved); out.Type() == resolvedv.Type() {
-			out.Set(resolvedv)
-			return true
-		}
-	case reflect.Ptr:
-		if out.Type().Elem() == reflect.TypeOf(resolved) {
-			// TODO DOes this make sense? When is out a Ptr except when decoding a nil value?
-			elem := reflect.New(out.Type().Elem())
-			elem.Elem().Set(reflect.ValueOf(resolved))
-			out.Set(elem)
-			return true
-		}
-	}
-	d.terror(n, tag, out)
-	return false
-}
-
-func settableValueOf(i interface{}) reflect.Value {
-	v := reflect.ValueOf(i)
-	sv := reflect.New(v.Type()).Elem()
-	sv.Set(v)
-	return sv
-}
-
-func (d *decoder) sequence(n *node, out reflect.Value) (good bool) {
-	l := len(n.children)
-
-	var iface reflect.Value
-	switch out.Kind() {
-	case reflect.Slice:
-		out.Set(reflect.MakeSlice(out.Type(), l, l))
-	case reflect.Array:
-		if l != out.Len() {
-			failf("invalid array: want %d elements but got %d", out.Len(), l)
-		}
-	case reflect.Interface:
-		// No type hints. Will have to use a generic sequence.
-		iface = out
-		out = settableValueOf(make([]interface{}, l))
-	default:
-		d.terror(n, yaml_SEQ_TAG, out)
-		return false
-	}
-	et := out.Type().Elem()
-
-	j := 0
-	for i := 0; i < l; i++ {
-		e := reflect.New(et).Elem()
-		if ok := d.unmarshal(n.children[i], e); ok {
-			out.Index(j).Set(e)
-			j++
-		}
-	}
-	if out.Kind() != reflect.Array {
-		out.Set(out.Slice(0, j))
-	}
-	if iface.IsValid() {
-		iface.Set(out)
-	}
-	return true
-}
-
-func (d *decoder) mapping(n *node, out reflect.Value) (good bool) {
-	switch out.Kind() {
-	case reflect.Struct:
-		return d.mappingStruct(n, out)
-	case reflect.Slice:
-		return d.mappingSlice(n, out)
-	case reflect.Map:
-		// okay
-	case reflect.Interface:
-		if d.mapType.Kind() == reflect.Map {
-			iface := out
-			out = reflect.MakeMap(d.mapType)
-			iface.Set(out)
-		} else {
-			slicev := reflect.New(d.mapType).Elem()
-			if !d.mappingSlice(n, slicev) {
-				return false
-			}
-			out.Set(slicev)
-			return true
-		}
-	default:
-		d.terror(n, yaml_MAP_TAG, out)
-		return false
-	}
-	outt := out.Type()
-	kt := outt.Key()
-	et := outt.Elem()
-
-	mapType := d.mapType
-	if outt.Key() == ifaceType && outt.Elem() == ifaceType {
-		d.mapType = outt
-	}
-
-	if out.IsNil() {
-		out.Set(reflect.MakeMap(outt))
-	}
-	l := len(n.children)
-	for i := 0; i < l; i += 2 {
-		if isMerge(n.children[i]) {
-			d.merge(n.children[i+1], out)
-			continue
-		}
-		k := reflect.New(kt).Elem()
-		if d.unmarshal(n.children[i], k) {
-			kkind := k.Kind()
-			if kkind == reflect.Interface {
-				kkind = k.Elem().Kind()
-			}
-			if kkind == reflect.Map || kkind == reflect.Slice {
-				failf("invalid map key: %#v", k.Interface())
-			}
-			e := reflect.New(et).Elem()
-			if d.unmarshal(n.children[i+1], e) {
-				d.setMapIndex(n.children[i+1], out, k, e)
-			}
-		}
-	}
-	d.mapType = mapType
-	return true
-}
-
-func (d *decoder) setMapIndex(n *node, out, k, v reflect.Value) {
-	if d.strict && out.MapIndex(k) != zeroValue {
-		d.terrors = append(d.terrors, fmt.Sprintf("line %d: key %#v already set in map", n.line+1, k.Interface()))
-		return
-	}
-	out.SetMapIndex(k, v)
-}
-
-func (d *decoder) mappingSlice(n *node, out reflect.Value) (good bool) {
-	outt := out.Type()
-	if outt.Elem() != mapItemType {
-		d.terror(n, yaml_MAP_TAG, out)
-		return false
-	}
-
-	mapType := d.mapType
-	d.mapType = outt
-
-	var slice []MapItem
-	var l = len(n.children)
-	for i := 0; i < l; i += 2 {
-		if isMerge(n.children[i]) {
-			d.merge(n.children[i+1], out)
-			continue
-		}
-		item := MapItem{}
-		k := reflect.ValueOf(&item.Key).Elem()
-		if d.unmarshal(n.children[i], k) {
-			v := reflect.ValueOf(&item.Value).Elem()
-			if d.unmarshal(n.children[i+1], v) {
-				slice = append(slice, item)
-			}
-		}
-	}
-	out.Set(reflect.ValueOf(slice))
-	d.mapType = mapType
-	return true
-}
-
-func (d *decoder) mappingStruct(n *node, out reflect.Value) (good bool) {
-	sinfo, err := getStructInfo(out.Type())
-	if err != nil {
-		panic(err)
-	}
-	name := settableValueOf("")
-	l := len(n.children)
-
-	var inlineMap reflect.Value
-	var elemType reflect.Type
-	if sinfo.InlineMap != -1 {
-		inlineMap = out.Field(sinfo.InlineMap)
-		inlineMap.Set(reflect.New(inlineMap.Type()).Elem())
-		elemType = inlineMap.Type().Elem()
-	}
-
-	var doneFields []bool
-	if d.strict {
-		doneFields = make([]bool, len(sinfo.FieldsList))
-	}
-	for i := 0; i < l; i += 2 {
-		ni := n.children[i]
-		if isMerge(ni) {
-			d.merge(n.children[i+1], out)
-			continue
-		}
-		if !d.unmarshal(ni, name) {
-			continue
-		}
-		if info, ok := sinfo.FieldsMap[name.String()]; ok {
-			if d.strict {
-				if doneFields[info.Id] {
-					d.terrors = append(d.terrors, fmt.Sprintf("line %d: field %s already set in type %s", ni.line+1, name.String(), out.Type()))
-					continue
-				}
-				doneFields[info.Id] = true
-			}
-			var field reflect.Value
-			if info.Inline == nil {
-				field = out.Field(info.Num)
-			} else {
-				field = out.FieldByIndex(info.Inline)
-			}
-			d.unmarshal(n.children[i+1], field)
-		} else if sinfo.InlineMap != -1 {
-			if inlineMap.IsNil() {
-				inlineMap.Set(reflect.MakeMap(inlineMap.Type()))
-			}
-			value := reflect.New(elemType).Elem()
-			d.unmarshal(n.children[i+1], value)
-			d.setMapIndex(n.children[i+1], inlineMap, name, value)
-		} else if d.strict {
-			d.terrors = append(d.terrors, fmt.Sprintf("line %d: field %s not found in type %s", ni.line+1, name.String(), out.Type()))
-		}
-	}
-	return true
-}
-
-func failWantMap() {
-	failf("map merge requires map or sequence of maps as the value")
-}
-
-func (d *decoder) merge(n *node, out reflect.Value) {
-	switch n.kind {
-	case mappingNode:
-		d.unmarshal(n, out)
-	case aliasNode:
-		an, ok := d.doc.anchors[n.value]
-		if ok && an.kind != mappingNode {
-			failWantMap()
-		}
-		d.unmarshal(n, out)
-	case sequenceNode:
-		// Step backwards as earlier nodes take precedence.
-		for i := len(n.children) - 1; i >= 0; i-- {
-			ni := n.children[i]
-			if ni.kind == aliasNode {
-				an, ok := d.doc.anchors[ni.value]
-				if ok && an.kind != mappingNode {
-					failWantMap()
-				}
-			} else if ni.kind != mappingNode {
-				failWantMap()
-			}
-			d.unmarshal(ni, out)
-		}
-	default:
-		failWantMap()
-	}
-}
-
-func isMerge(n *node) bool {
-	return n.kind == scalarNode && n.value == "<<" && (n.implicit == true || n.tag == yaml_MERGE_TAG)
-}

vendor/gopkg.in/yaml.v2/encode.go

@@ -1,362 +0,0 @@
-package yaml
-
-import (
-	"encoding"
-	"fmt"
-	"io"
-	"reflect"
-	"regexp"
-	"sort"
-	"strconv"
-	"strings"
-	"time"
-	"unicode/utf8"
-)
-
-type encoder struct {
-	emitter yaml_emitter_t
-	event   yaml_event_t
-	out     []byte
-	flow    bool
-	// doneInit holds whether the initial stream_start_event has been
-	// emitted.
-	doneInit bool
-}
-
-func newEncoder() *encoder {
-	e := &encoder{}
-	yaml_emitter_initialize(&e.emitter)
-	yaml_emitter_set_output_string(&e.emitter, &e.out)
-	yaml_emitter_set_unicode(&e.emitter, true)
-	return e
-}
-
-func newEncoderWithWriter(w io.Writer) *encoder {
-	e := &encoder{}
-	yaml_emitter_initialize(&e.emitter)
-	yaml_emitter_set_output_writer(&e.emitter, w)
-	yaml_emitter_set_unicode(&e.emitter, true)
-	return e
-}
-
-func (e *encoder) init() {
-	if e.doneInit {
-		return
-	}
-	yaml_stream_start_event_initialize(&e.event, yaml_UTF8_ENCODING)
-	e.emit()
-	e.doneInit = true
-}
-
-func (e *encoder) finish() {
-	e.emitter.open_ended = false
-	yaml_stream_end_event_initialize(&e.event)
-	e.emit()
-}
-
-func (e *encoder) destroy() {
-	yaml_emitter_delete(&e.emitter)
-}
-
-func (e *encoder) emit() {
-	// This will internally delete the e.event value.
-	e.must(yaml_emitter_emit(&e.emitter, &e.event))
-}
-
-func (e *encoder) must(ok bool) {
-	if !ok {
-		msg := e.emitter.problem
-		if msg == "" {
-			msg = "unknown problem generating YAML content"
-		}
-		failf("%s", msg)
-	}
-}
-
-func (e *encoder) marshalDoc(tag string, in reflect.Value) {
-	e.init()
-	yaml_document_start_event_initialize(&e.event, nil, nil, true)
-	e.emit()
-	e.marshal(tag, in)
-	yaml_document_end_event_initialize(&e.event, true)
-	e.emit()
-}
-
-func (e *encoder) marshal(tag string, in reflect.Value) {
-	if !in.IsValid() || in.Kind() == reflect.Ptr && in.IsNil() {
-		e.nilv()
-		return
-	}
-	iface := in.Interface()
-	switch m := iface.(type) {
-	case time.Time, *time.Time:
-		// Although time.Time implements TextMarshaler,
-		// we don't want to treat it as a string for YAML
-		// purposes because YAML has special support for
-		// timestamps.
-	case Marshaler:
-		v, err := m.MarshalYAML()
-		if err != nil {
-			fail(err)
-		}
-		if v == nil {
-			e.nilv()
-			return
-		}
-		in = reflect.ValueOf(v)
-	case encoding.TextMarshaler:
-		text, err := m.MarshalText()
-		if err != nil {
-			fail(err)
-		}
-		in = reflect.ValueOf(string(text))
-	case nil:
-		e.nilv()
-		return
-	}
-	switch in.Kind() {
-	case reflect.Interface:
-		e.marshal(tag, in.Elem())
-	case reflect.Map:
-		e.mapv(tag, in)
-	case reflect.Ptr:
-		if in.Type() == ptrTimeType {
-			e.timev(tag, in.Elem())
-		} else {
-			e.marshal(tag, in.Elem())
-		}
-	case reflect.Struct:
-		if in.Type() == timeType {
-			e.timev(tag, in)
-		} else {
-			e.structv(tag, in)
-		}
-	case reflect.Slice, reflect.Array:
-		if in.Type().Elem() == mapItemType {
-			e.itemsv(tag, in)
-		} else {
-			e.slicev(tag, in)
-		}
-	case reflect.String:
-		e.stringv(tag, in)
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		if in.Type() == durationType {
-			e.stringv(tag, reflect.ValueOf(iface.(time.Duration).String()))
-		} else {
-			e.intv(tag, in)
-		}
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		e.uintv(tag, in)
-	case reflect.Float32, reflect.Float64:
-		e.floatv(tag, in)
-	case reflect.Bool:
-		e.boolv(tag, in)
-	default:
-		panic("cannot marshal type: " + in.Type().String())
-	}
-}
-
-func (e *encoder) mapv(tag string, in reflect.Value) {
-	e.mappingv(tag, func() {
-		keys := keyList(in.MapKeys())
-		sort.Sort(keys)
-		for _, k := range keys {
-			e.marshal("", k)
-			e.marshal("", in.MapIndex(k))
-		}
-	})
-}
-
-func (e *encoder) itemsv(tag string, in reflect.Value) {
-	e.mappingv(tag, func() {
-		slice := in.Convert(reflect.TypeOf([]MapItem{})).Interface().([]MapItem)
-		for _, item := range slice {
-			e.marshal("", reflect.ValueOf(item.Key))
-			e.marshal("", reflect.ValueOf(item.Value))
-		}
-	})
-}
-
-func (e *encoder) structv(tag string, in reflect.Value) {
-	sinfo, err := getStructInfo(in.Type())
-	if err != nil {
-		panic(err)
-	}
-	e.mappingv(tag, func() {
-		for _, info := range sinfo.FieldsList {
-			var value reflect.Value
-			if info.Inline == nil {
-				value = in.Field(info.Num)
-			} else {
-				value = in.FieldByIndex(info.Inline)
-			}
-			if info.OmitEmpty && isZero(value) {
-				continue
-			}
-			e.marshal("", reflect.ValueOf(info.Key))
-			e.flow = info.Flow
-			e.marshal("", value)
-		}
-		if sinfo.InlineMap >= 0 {
-			m := in.Field(sinfo.InlineMap)
-			if m.Len() > 0 {
-				e.flow = false
-				keys := keyList(m.MapKeys())
-				sort.Sort(keys)
-				for _, k := range keys {
-					if _, found := sinfo.FieldsMap[k.String()]; found {
-						panic(fmt.Sprintf("Can't have key %q in inlined map; conflicts with struct field", k.String()))
-					}
-					e.marshal("", k)
-					e.flow = false
-					e.marshal("", m.MapIndex(k))
-				}
-			}
-		}
-	})
-}
-
-func (e *encoder) mappingv(tag string, f func()) {
-	implicit := tag == ""
-	style := yaml_BLOCK_MAPPING_STYLE
-	if e.flow {
-		e.flow = false
-		style = yaml_FLOW_MAPPING_STYLE
-	}
-	yaml_mapping_start_event_initialize(&e.event, nil, []byte(tag), implicit, style)
-	e.emit()
-	f()
-	yaml_mapping_end_event_initialize(&e.event)
-	e.emit()
-}
-
-func (e *encoder) slicev(tag string, in reflect.Value) {
-	implicit := tag == ""
-	style := yaml_BLOCK_SEQUENCE_STYLE
-	if e.flow {
-		e.flow = false
-		style = yaml_FLOW_SEQUENCE_STYLE
-	}
-	e.must(yaml_sequence_start_event_initialize(&e.event, nil, []byte(tag), implicit, style))
-	e.emit()
-	n := in.Len()
-	for i := 0; i < n; i++ {
-		e.marshal("", in.Index(i))
-	}
-	e.must(yaml_sequence_end_event_initialize(&e.event))
-	e.emit()
-}
-
-// isBase60 returns whether s is in base 60 notation as defined in YAML 1.1.
-//
-// The base 60 float notation in YAML 1.1 is a terrible idea and is unsupported
-// in YAML 1.2 and by this package, but these should be marshalled quoted for
-// the time being for compatibility with other parsers.
-func isBase60Float(s string) (result bool) {
-	// Fast path.
-	if s == "" {
-		return false
-	}
-	c := s[0]
-	if !(c == '+' || c == '-' || c >= '0' && c <= '9') || strings.IndexByte(s, ':') < 0 {
-		return false
-	}
-	// Do the full match.
-	return base60float.MatchString(s)
-}
-
-// From http://yaml.org/type/float.html, except the regular expression there
-// is bogus. In practice parsers do not enforce the "\.[0-9_]*" suffix.
-var base60float = regexp.MustCompile(`^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+(?:\.[0-9_]*)?$`)
-
-func (e *encoder) stringv(tag string, in reflect.Value) {
-	var style yaml_scalar_style_t
-	s := in.String()
-	canUsePlain := true
-	switch {
-	case !utf8.ValidString(s):
-		if tag == yaml_BINARY_TAG {
-			failf("explicitly tagged !!binary data must be base64-encoded")
-		}
-		if tag != "" {
-			failf("cannot marshal invalid UTF-8 data as %s", shortTag(tag))
-		}
-		// It can't be encoded directly as YAML so use a binary tag
-		// and encode it as base64.
-		tag = yaml_BINARY_TAG
-		s = encodeBase64(s)
-	case tag == "":
-		// Check to see if it would resolve to a specific
-		// tag when encoded unquoted. If it doesn't,
-		// there's no need to quote it.
-		rtag, _ := resolve("", s)
-		canUsePlain = rtag == yaml_STR_TAG && !isBase60Float(s)
-	}
-	// Note: it's possible for user code to emit invalid YAML
-	// if they explicitly specify a tag and a string containing
-	// text that's incompatible with that tag.
-	switch {
-	case strings.Contains(s, "\n"):
-		style = yaml_LITERAL_SCALAR_STYLE
-	case canUsePlain:
-		style = yaml_PLAIN_SCALAR_STYLE
-	default:
-		style = yaml_DOUBLE_QUOTED_SCALAR_STYLE
-	}
-	e.emitScalar(s, "", tag, style)
-}
-
-func (e *encoder) boolv(tag string, in reflect.Value) {
-	var s string
-	if in.Bool() {
-		s = "true"
-	} else {
-		s = "false"
-	}
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
-}
-
-func (e *encoder) intv(tag string, in reflect.Value) {
-	s := strconv.FormatInt(in.Int(), 10)
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
-}
-
-func (e *encoder) uintv(tag string, in reflect.Value) {
-	s := strconv.FormatUint(in.Uint(), 10)
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
-}
-
-func (e *encoder) timev(tag string, in reflect.Value) {
-	t := in.Interface().(time.Time)
-	s := t.Format(time.RFC3339Nano)
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
-}
-
-func (e *encoder) floatv(tag string, in reflect.Value) {
-	// Issue #352: When formatting, use the precision of the underlying value
-	precision := 64
-	if in.Kind() == reflect.Float32 {
-		precision = 32
-	}
-
-	s := strconv.FormatFloat(in.Float(), 'g', -1, precision)
-	switch s {
-	case "+Inf":
-		s = ".inf"
-	case "-Inf":
-		s = "-.inf"
-	case "NaN":
-		s = ".nan"
-	}
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE)
-}
-
-func (e *encoder) nilv() {
-	e.emitScalar("null", "", "", yaml_PLAIN_SCALAR_STYLE)
-}
-
-func (e *encoder) emitScalar(value, anchor, tag string, style yaml_scalar_style_t) {
-	implicit := tag == ""
-	e.must(yaml_scalar_event_initialize(&e.event, []byte(anchor), []byte(tag), []byte(value), implicit, implicit, style))
-	e.emit()
-}

vendor/gopkg.in/yaml.v2/go.mod

@@ -1,5 +0,0 @@
-module "gopkg.in/yaml.v2"
-
-require (
-	"gopkg.in/check.v1" v0.0.0-20161208181325-20d25e280405
-)

vendor/gopkg.in/yaml.v2/readerc.go

@@ -1,412 +0,0 @@
-package yaml
-
-import (
-	"io"
-)
-
-// Set the reader error and return 0.
-func yaml_parser_set_reader_error(parser *yaml_parser_t, problem string, offset int, value int) bool {
-	parser.error = yaml_READER_ERROR
-	parser.problem = problem
-	parser.problem_offset = offset
-	parser.problem_value = value
-	return false
-}
-
-// Byte order marks.
-const (
-	bom_UTF8    = "\xef\xbb\xbf"
-	bom_UTF16LE = "\xff\xfe"
-	bom_UTF16BE = "\xfe\xff"
-)
-
-// Determine the input stream encoding by checking the BOM symbol. If no BOM is
-// found, the UTF-8 encoding is assumed. Return 1 on success, 0 on failure.
-func yaml_parser_determine_encoding(parser *yaml_parser_t) bool {
-	// Ensure that we had enough bytes in the raw buffer.
-	for !parser.eof && len(parser.raw_buffer)-parser.raw_buffer_pos < 3 {
-		if !yaml_parser_update_raw_buffer(parser) {
-			return false
-		}
-	}
-
-	// Determine the encoding.
-	buf := parser.raw_buffer
-	pos := parser.raw_buffer_pos
-	avail := len(buf) - pos
-	if avail >= 2 && buf[pos] == bom_UTF16LE[0] && buf[pos+1] == bom_UTF16LE[1] {
-		parser.encoding = yaml_UTF16LE_ENCODING
-		parser.raw_buffer_pos += 2
-		parser.offset += 2
-	} else if avail >= 2 && buf[pos] == bom_UTF16BE[0] && buf[pos+1] == bom_UTF16BE[1] {
-		parser.encoding = yaml_UTF16BE_ENCODING
-		parser.raw_buffer_pos += 2
-		parser.offset += 2
-	} else if avail >= 3 && buf[pos] == bom_UTF8[0] && buf[pos+1] == bom_UTF8[1] && buf[pos+2] == bom_UTF8[2] {
-		parser.encoding = yaml_UTF8_ENCODING
-		parser.raw_buffer_pos += 3
-		parser.offset += 3
-	} else {
-		parser.encoding = yaml_UTF8_ENCODING
-	}
-	return true
-}
-
-// Update the raw buffer.
-func yaml_parser_update_raw_buffer(parser *yaml_parser_t) bool {
-	size_read := 0
-
-	// Return if the raw buffer is full.
-	if parser.raw_buffer_pos == 0 && len(parser.raw_buffer) == cap(parser.raw_buffer) {
-		return true
-	}
-
-	// Return on EOF.
-	if parser.eof {
-		return true
-	}
-
-	// Move the remaining bytes in the raw buffer to the beginning.
-	if parser.raw_buffer_pos > 0 && parser.raw_buffer_pos < len(parser.raw_buffer) {
-		copy(parser.raw_buffer, parser.raw_buffer[parser.raw_buffer_pos:])
-	}
-	parser.raw_buffer = parser.raw_buffer[:len(parser.raw_buffer)-parser.raw_buffer_pos]
-	parser.raw_buffer_pos = 0
-
-	// Call the read handler to fill the buffer.
-	size_read, err := parser.read_handler(parser, parser.raw_buffer[len(parser.raw_buffer):cap(parser.raw_buffer)])
-	parser.raw_buffer = parser.raw_buffer[:len(parser.raw_buffer)+size_read]
-	if err == io.EOF {
-		parser.eof = true
-	} else if err != nil {
-		return yaml_parser_set_reader_error(parser, "input error: "+err.Error(), parser.offset, -1)
-	}
-	return true
-}
-
-// Ensure that the buffer contains at least `length` characters.
-// Return true on success, false on failure.
-//
-// The length is supposed to be significantly less that the buffer size.
-func yaml_parser_update_buffer(parser *yaml_parser_t, length int) bool {
-	if parser.read_handler == nil {
-		panic("read handler must be set")
-	}
-
-	// [Go] This function was changed to guarantee the requested length size at EOF.
-	// The fact we need to do this is pretty awful, but the description above implies
-	// for that to be the case, and there are tests 
-
-	// If the EOF flag is set and the raw buffer is empty, do nothing.
-	if parser.eof && parser.raw_buffer_pos == len(parser.raw_buffer) {
-		// [Go] ACTUALLY! Read the documentation of this function above.
-		// This is just broken. To return true, we need to have the
-		// given length in the buffer. Not doing that means every single
-		// check that calls this function to make sure the buffer has a
-		// given length is Go) panicking; or C) accessing invalid memory.
-		//return true
-	}
-
-	// Return if the buffer contains enough characters.
-	if parser.unread >= length {
-		return true
-	}
-
-	// Determine the input encoding if it is not known yet.
-	if parser.encoding == yaml_ANY_ENCODING {
-		if !yaml_parser_determine_encoding(parser) {
-			return false
-		}
-	}
-
-	// Move the unread characters to the beginning of the buffer.
-	buffer_len := len(parser.buffer)
-	if parser.buffer_pos > 0 && parser.buffer_pos < buffer_len {
-		copy(parser.buffer, parser.buffer[parser.buffer_pos:])
-		buffer_len -= parser.buffer_pos
-		parser.buffer_pos = 0
-	} else if parser.buffer_pos == buffer_len {
-		buffer_len = 0
-		parser.buffer_pos = 0
-	}
-
-	// Open the whole buffer for writing, and cut it before returning.
-	parser.buffer = parser.buffer[:cap(parser.buffer)]
-
-	// Fill the buffer until it has enough characters.
-	first := true
-	for parser.unread < length {
-
-		// Fill the raw buffer if necessary.
-		if !first || parser.raw_buffer_pos == len(parser.raw_buffer) {
-			if !yaml_parser_update_raw_buffer(parser) {
-				parser.buffer = parser.buffer[:buffer_len]
-				return false
-			}
-		}
-		first = false
-
-		// Decode the raw buffer.
-	inner:
-		for parser.raw_buffer_pos != len(parser.raw_buffer) {
-			var value rune
-			var width int
-
-			raw_unread := len(parser.raw_buffer) - parser.raw_buffer_pos
-
-			// Decode the next character.
-			switch parser.encoding {
-			case yaml_UTF8_ENCODING:
-				// Decode a UTF-8 character.  Check RFC 3629
-				// (http://www.ietf.org/rfc/rfc3629.txt) for more details.
-				//
-				// The following table (taken from the RFC) is used for
-				// decoding.
-				//
-				//    Char. number range |        UTF-8 octet sequence
-				//      (hexadecimal)    |              (binary)
-				//   --------------------+------------------------------------
-				//   0000 0000-0000 007F | 0xxxxxxx
-				//   0000 0080-0000 07FF | 110xxxxx 10xxxxxx
-				//   0000 0800-0000 FFFF | 1110xxxx 10xxxxxx 10xxxxxx
-				//   0001 0000-0010 FFFF | 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
-				//
-				// Additionally, the characters in the range 0xD800-0xDFFF
-				// are prohibited as they are reserved for use with UTF-16
-				// surrogate pairs.
-
-				// Determine the length of the UTF-8 sequence.
-				octet := parser.raw_buffer[parser.raw_buffer_pos]
-				switch {
-				case octet&0x80 == 0x00:
-					width = 1
-				case octet&0xE0 == 0xC0:
-					width = 2
-				case octet&0xF0 == 0xE0:
-					width = 3
-				case octet&0xF8 == 0xF0:
-					width = 4
-				default:
-					// The leading octet is invalid.
-					return yaml_parser_set_reader_error(parser,
-						"invalid leading UTF-8 octet",
-						parser.offset, int(octet))
-				}
-
-				// Check if the raw buffer contains an incomplete character.
-				if width > raw_unread {
-					if parser.eof {
-						return yaml_parser_set_reader_error(parser,
-							"incomplete UTF-8 octet sequence",
-							parser.offset, -1)
-					}
-					break inner
-				}
-
-				// Decode the leading octet.
-				switch {
-				case octet&0x80 == 0x00:
-					value = rune(octet & 0x7F)
-				case octet&0xE0 == 0xC0:
-					value = rune(octet & 0x1F)
-				case octet&0xF0 == 0xE0:
-					value = rune(octet & 0x0F)
-				case octet&0xF8 == 0xF0:
-					value = rune(octet & 0x07)
-				default:
-					value = 0
-				}
-
-				// Check and decode the trailing octets.
-				for k := 1; k < width; k++ {
-					octet = parser.raw_buffer[parser.raw_buffer_pos+k]
-
-					// Check if the octet is valid.
-					if (octet & 0xC0) != 0x80 {
-						return yaml_parser_set_reader_error(parser,
-							"invalid trailing UTF-8 octet",
-							parser.offset+k, int(octet))
-					}
-
-					// Decode the octet.
-					value = (value << 6) + rune(octet&0x3F)
-				}
-
-				// Check the length of the sequence against the value.
-				switch {
-				case width == 1:
-				case width == 2 && value >= 0x80:
-				case width == 3 && value >= 0x800:
-				case width == 4 && value >= 0x10000:
-				default:
-					return yaml_parser_set_reader_error(parser,
-						"invalid length of a UTF-8 sequence",
-						parser.offset, -1)
-				}
-
-				// Check the range of the value.
-				if value >= 0xD800 && value <= 0xDFFF || value > 0x10FFFF {
-					return yaml_parser_set_reader_error(parser,
-						"invalid Unicode character",
-						parser.offset, int(value))
-				}
-
-			case yaml_UTF16LE_ENCODING, yaml_UTF16BE_ENCODING:
-				var low, high int
-				if parser.encoding == yaml_UTF16LE_ENCODING {
-					low, high = 0, 1
-				} else {
-					low, high = 1, 0
-				}
-
-				// The UTF-16 encoding is not as simple as one might
-				// naively think.  Check RFC 2781
-				// (http://www.ietf.org/rfc/rfc2781.txt).
-				//
-				// Normally, two subsequent bytes describe a Unicode
-				// character.  However a special technique (called a
-				// surrogate pair) is used for specifying character
-				// values larger than 0xFFFF.
-				//
-				// A surrogate pair consists of two pseudo-characters:
-				//      high surrogate area (0xD800-0xDBFF)
-				//      low surrogate area (0xDC00-0xDFFF)
-				//
-				// The following formulas are used for decoding
-				// and encoding characters using surrogate pairs:
-				//
-				//  U  = U' + 0x10000   (0x01 00 00 <= U <= 0x10 FF FF)
-				//  U' = yyyyyyyyyyxxxxxxxxxx   (0 <= U' <= 0x0F FF FF)
-				//  W1 = 110110yyyyyyyyyy
-				//  W2 = 110111xxxxxxxxxx
-				//
-				// where U is the character value, W1 is the high surrogate
-				// area, W2 is the low surrogate area.
-
-				// Check for incomplete UTF-16 character.
-				if raw_unread < 2 {
-					if parser.eof {
-						return yaml_parser_set_reader_error(parser,
-							"incomplete UTF-16 character",
-							parser.offset, -1)
-					}
-					break inner
-				}
-
-				// Get the character.
-				value = rune(parser.raw_buffer[parser.raw_buffer_pos+low]) +
-					(rune(parser.raw_buffer[parser.raw_buffer_pos+high]) << 8)
-
-				// Check for unexpected low surrogate area.
-				if value&0xFC00 == 0xDC00 {
-					return yaml_parser_set_reader_error(parser,
-						"unexpected low surrogate area",
-						parser.offset, int(value))
-				}
-
-				// Check for a high surrogate area.
-				if value&0xFC00 == 0xD800 {
-					width = 4
-
-					// Check for incomplete surrogate pair.
-					if raw_unread < 4 {
-						if parser.eof {
-							return yaml_parser_set_reader_error(parser,
-								"incomplete UTF-16 surrogate pair",
-								parser.offset, -1)
-						}
-						break inner
-					}
-
-					// Get the next character.
-					value2 := rune(parser.raw_buffer[parser.raw_buffer_pos+low+2]) +
-						(rune(parser.raw_buffer[parser.raw_buffer_pos+high+2]) << 8)
-
-					// Check for a low surrogate area.
-					if value2&0xFC00 != 0xDC00 {
-						return yaml_parser_set_reader_error(parser,
-							"expected low surrogate area",
-							parser.offset+2, int(value2))
-					}
-
-					// Generate the value of the surrogate pair.
-					value = 0x10000 + ((value & 0x3FF) << 10) + (value2 & 0x3FF)
-				} else {
-					width = 2
-				}
-
-			default:
-				panic("impossible")
-			}
-
-			// Check if the character is in the allowed range:
-			//      #x9 | #xA | #xD | [#x20-#x7E]               (8 bit)
-			//      | #x85 | [#xA0-#xD7FF] | [#xE000-#xFFFD]    (16 bit)
-			//      | [#x10000-#x10FFFF]                        (32 bit)
-			switch {
-			case value == 0x09:
-			case value == 0x0A:
-			case value == 0x0D:
-			case value >= 0x20 && value <= 0x7E:
-			case value == 0x85:
-			case value >= 0xA0 && value <= 0xD7FF:
-			case value >= 0xE000 && value <= 0xFFFD:
-			case value >= 0x10000 && value <= 0x10FFFF:
-			default:
-				return yaml_parser_set_reader_error(parser,
-					"control characters are not allowed",
-					parser.offset, int(value))
-			}
-
-			// Move the raw pointers.
-			parser.raw_buffer_pos += width
-			parser.offset += width
-
-			// Finally put the character into the buffer.
-			if value <= 0x7F {
-				// 0000 0000-0000 007F . 0xxxxxxx
-				parser.buffer[buffer_len+0] = byte(value)
-				buffer_len += 1
-			} else if value <= 0x7FF {
-				// 0000 0080-0000 07FF . 110xxxxx 10xxxxxx
-				parser.buffer[buffer_len+0] = byte(0xC0 + (value >> 6))
-				parser.buffer[buffer_len+1] = byte(0x80 + (value & 0x3F))
-				buffer_len += 2
-			} else if value <= 0xFFFF {
-				// 0000 0800-0000 FFFF . 1110xxxx 10xxxxxx 10xxxxxx
-				parser.buffer[buffer_len+0] = byte(0xE0 + (value >> 12))
-				parser.buffer[buffer_len+1] = byte(0x80 + ((value >> 6) & 0x3F))
-				parser.buffer[buffer_len+2] = byte(0x80 + (value & 0x3F))
-				buffer_len += 3
-			} else {
-				// 0001 0000-0010 FFFF . 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
-				parser.buffer[buffer_len+0] = byte(0xF0 + (value >> 18))
-				parser.buffer[buffer_len+1] = byte(0x80 + ((value >> 12) & 0x3F))
-				parser.buffer[buffer_len+2] = byte(0x80 + ((value >> 6) & 0x3F))
-				parser.buffer[buffer_len+3] = byte(0x80 + (value & 0x3F))
-				buffer_len += 4
-			}
-
-			parser.unread++
-		}
-
-		// On EOF, put NUL into the buffer and return.
-		if parser.eof {
-			parser.buffer[buffer_len] = 0
-			buffer_len++
-			parser.unread++
-			break
-		}
-	}
-	// [Go] Read the documentation of this function above. To return true,
-	// we need to have the given length in the buffer. Not doing that means
-	// every single check that calls this function to make sure the buffer
-	// has a given length is Go) panicking; or C) accessing invalid memory.
-	// This happens here due to the EOF above breaking early.
-	for buffer_len < length {
-		parser.buffer[buffer_len] = 0
-		buffer_len++
-	}
-	parser.buffer = parser.buffer[:buffer_len]
-	return true
-}

vendor/gopkg.in/yaml.v2/resolve.go

@@ -1,258 +0,0 @@
-package yaml
-
-import (
-	"encoding/base64"
-	"math"
-	"regexp"
-	"strconv"
-	"strings"
-	"time"
-)
-
-type resolveMapItem struct {
-	value interface{}
-	tag   string
-}
-
-var resolveTable = make([]byte, 256)
-var resolveMap = make(map[string]resolveMapItem)
-
-func init() {
-	t := resolveTable
-	t[int('+')] = 'S' // Sign
-	t[int('-')] = 'S'
-	for _, c := range "0123456789" {
-		t[int(c)] = 'D' // Digit
-	}
-	for _, c := range "yYnNtTfFoO~" {
-		t[int(c)] = 'M' // In map
-	}
-	t[int('.')] = '.' // Float (potentially in map)
-
-	var resolveMapList = []struct {
-		v   interface{}
-		tag string
-		l   []string
-	}{
-		{true, yaml_BOOL_TAG, []string{"y", "Y", "yes", "Yes", "YES"}},
-		{true, yaml_BOOL_TAG, []string{"true", "True", "TRUE"}},
-		{true, yaml_BOOL_TAG, []string{"on", "On", "ON"}},
-		{false, yaml_BOOL_TAG, []string{"n", "N", "no", "No", "NO"}},
-		{false, yaml_BOOL_TAG, []string{"false", "False", "FALSE"}},
-		{false, yaml_BOOL_TAG, []string{"off", "Off", "OFF"}},
-		{nil, yaml_NULL_TAG, []string{"", "~", "null", "Null", "NULL"}},
-		{math.NaN(), yaml_FLOAT_TAG, []string{".nan", ".NaN", ".NAN"}},
-		{math.Inf(+1), yaml_FLOAT_TAG, []string{".inf", ".Inf", ".INF"}},
-		{math.Inf(+1), yaml_FLOAT_TAG, []string{"+.inf", "+.Inf", "+.INF"}},
-		{math.Inf(-1), yaml_FLOAT_TAG, []string{"-.inf", "-.Inf", "-.INF"}},
-		{"<<", yaml_MERGE_TAG, []string{"<<"}},
-	}
-
-	m := resolveMap
-	for _, item := range resolveMapList {
-		for _, s := range item.l {
-			m[s] = resolveMapItem{item.v, item.tag}
-		}
-	}
-}
-
-const longTagPrefix = "tag:yaml.org,2002:"
-
-func shortTag(tag string) string {
-	// TODO This can easily be made faster and produce less garbage.
-	if strings.HasPrefix(tag, longTagPrefix) {
-		return "!!" + tag[len(longTagPrefix):]
-	}
-	return tag
-}
-
-func longTag(tag string) string {
-	if strings.HasPrefix(tag, "!!") {
-		return longTagPrefix + tag[2:]
-	}
-	return tag
-}
-
-func resolvableTag(tag string) bool {
-	switch tag {
-	case "", yaml_STR_TAG, yaml_BOOL_TAG, yaml_INT_TAG, yaml_FLOAT_TAG, yaml_NULL_TAG, yaml_TIMESTAMP_TAG:
-		return true
-	}
-	return false
-}
-
-var yamlStyleFloat = regexp.MustCompile(`^[-+]?[0-9]*\.?[0-9]+([eE][-+][0-9]+)?$`)
-
-func resolve(tag string, in string) (rtag string, out interface{}) {
-	if !resolvableTag(tag) {
-		return tag, in
-	}
-
-	defer func() {
-		switch tag {
-		case "", rtag, yaml_STR_TAG, yaml_BINARY_TAG:
-			return
-		case yaml_FLOAT_TAG:
-			if rtag == yaml_INT_TAG {
-				switch v := out.(type) {
-				case int64:
-					rtag = yaml_FLOAT_TAG
-					out = float64(v)
-					return
-				case int:
-					rtag = yaml_FLOAT_TAG
-					out = float64(v)
-					return
-				}
-			}
-		}
-		failf("cannot decode %s `%s` as a %s", shortTag(rtag), in, shortTag(tag))
-	}()
-
-	// Any data is accepted as a !!str or !!binary.
-	// Otherwise, the prefix is enough of a hint about what it might be.
-	hint := byte('N')
-	if in != "" {
-		hint = resolveTable[in[0]]
-	}
-	if hint != 0 && tag != yaml_STR_TAG && tag != yaml_BINARY_TAG {
-		// Handle things we can lookup in a map.
-		if item, ok := resolveMap[in]; ok {
-			return item.tag, item.value
-		}
-
-		// Base 60 floats are a bad idea, were dropped in YAML 1.2, and
-		// are purposefully unsupported here. They're still quoted on
-		// the way out for compatibility with other parser, though.
-
-		switch hint {
-		case 'M':
-			// We've already checked the map above.
-
-		case '.':
-			// Not in the map, so maybe a normal float.
-			floatv, err := strconv.ParseFloat(in, 64)
-			if err == nil {
-				return yaml_FLOAT_TAG, floatv
-			}
-
-		case 'D', 'S':
-			// Int, float, or timestamp.
-			// Only try values as a timestamp if the value is unquoted or there's an explicit
-			// !!timestamp tag.
-			if tag == "" || tag == yaml_TIMESTAMP_TAG {
-				t, ok := parseTimestamp(in)
-				if ok {
-					return yaml_TIMESTAMP_TAG, t
-				}
-			}
-
-			plain := strings.Replace(in, "_", "", -1)
-			intv, err := strconv.ParseInt(plain, 0, 64)
-			if err == nil {
-				if intv == int64(int(intv)) {
-					return yaml_INT_TAG, int(intv)
-				} else {
-					return yaml_INT_TAG, intv
-				}
-			}
-			uintv, err := strconv.ParseUint(plain, 0, 64)
-			if err == nil {
-				return yaml_INT_TAG, uintv
-			}
-			if yamlStyleFloat.MatchString(plain) {
-				floatv, err := strconv.ParseFloat(plain, 64)
-				if err == nil {
-					return yaml_FLOAT_TAG, floatv
-				}
-			}
-			if strings.HasPrefix(plain, "0b") {
-				intv, err := strconv.ParseInt(plain[2:], 2, 64)
-				if err == nil {
-					if intv == int64(int(intv)) {
-						return yaml_INT_TAG, int(intv)
-					} else {
-						return yaml_INT_TAG, intv
-					}
-				}
-				uintv, err := strconv.ParseUint(plain[2:], 2, 64)
-				if err == nil {
-					return yaml_INT_TAG, uintv
-				}
-			} else if strings.HasPrefix(plain, "-0b") {
-				intv, err := strconv.ParseInt("-" + plain[3:], 2, 64)
-				if err == nil {
-					if true || intv == int64(int(intv)) {
-						return yaml_INT_TAG, int(intv)
-					} else {
-						return yaml_INT_TAG, intv
-					}
-				}
-			}
-		default:
-			panic("resolveTable item not yet handled: " + string(rune(hint)) + " (with " + in + ")")
-		}
-	}
-	return yaml_STR_TAG, in
-}
-
-// encodeBase64 encodes s as base64 that is broken up into multiple lines
-// as appropriate for the resulting length.
-func encodeBase64(s string) string {
-	const lineLen = 70
-	encLen := base64.StdEncoding.EncodedLen(len(s))
-	lines := encLen/lineLen + 1
-	buf := make([]byte, encLen*2+lines)
-	in := buf[0:encLen]
-	out := buf[encLen:]
-	base64.StdEncoding.Encode(in, []byte(s))
-	k := 0
-	for i := 0; i < len(in); i += lineLen {
-		j := i + lineLen
-		if j > len(in) {
-			j = len(in)
-		}
-		k += copy(out[k:], in[i:j])
-		if lines > 1 {
-			out[k] = '\n'
-			k++
-		}
-	}
-	return string(out[:k])
-}
-
-// This is a subset of the formats allowed by the regular expression
-// defined at http://yaml.org/type/timestamp.html.
-var allowedTimestampFormats = []string{
-	"2006-1-2T15:4:5.999999999Z07:00", // RCF3339Nano with short date fields.
-	"2006-1-2t15:4:5.999999999Z07:00", // RFC3339Nano with short date fields and lower-case "t".
-	"2006-1-2 15:4:5.999999999",       // space separated with no time zone
-	"2006-1-2",                        // date only
-	// Notable exception: time.Parse cannot handle: "2001-12-14 21:59:43.10 -5"
-	// from the set of examples.
-}
-
-// parseTimestamp parses s as a timestamp string and
-// returns the timestamp and reports whether it succeeded.
-// Timestamp formats are defined at http://yaml.org/type/timestamp.html
-func parseTimestamp(s string) (time.Time, bool) {
-	// TODO write code to check all the formats supported by
-	// http://yaml.org/type/timestamp.html instead of using time.Parse.
-
-	// Quick check: all date formats start with YYYY-.
-	i := 0
-	for ; i < len(s); i++ {
-		if c := s[i]; c < '0' || c > '9' {
-			break
-		}
-	}
-	if i != 4 || i == len(s) || s[i] != '-' {
-		return time.Time{}, false
-	}
-	for _, format := range allowedTimestampFormats {
-		if t, err := time.Parse(format, s); err == nil {
-			return t, true
-		}
-	}
-	return time.Time{}, false
-}

vendor/gopkg.in/yaml.v2/sorter.go

@@ -1,113 +0,0 @@
-package yaml
-
-import (
-	"reflect"
-	"unicode"
-)
-
-type keyList []reflect.Value
-
-func (l keyList) Len() int      { return len(l) }
-func (l keyList) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
-func (l keyList) Less(i, j int) bool {
-	a := l[i]
-	b := l[j]
-	ak := a.Kind()
-	bk := b.Kind()
-	for (ak == reflect.Interface || ak == reflect.Ptr) && !a.IsNil() {
-		a = a.Elem()
-		ak = a.Kind()
-	}
-	for (bk == reflect.Interface || bk == reflect.Ptr) && !b.IsNil() {
-		b = b.Elem()
-		bk = b.Kind()
-	}
-	af, aok := keyFloat(a)
-	bf, bok := keyFloat(b)
-	if aok && bok {
-		if af != bf {
-			return af < bf
-		}
-		if ak != bk {
-			return ak < bk
-		}
-		return numLess(a, b)
-	}
-	if ak != reflect.String || bk != reflect.String {
-		return ak < bk
-	}
-	ar, br := []rune(a.String()), []rune(b.String())
-	for i := 0; i < len(ar) && i < len(br); i++ {
-		if ar[i] == br[i] {
-			continue
-		}
-		al := unicode.IsLetter(ar[i])
-		bl := unicode.IsLetter(br[i])
-		if al && bl {
-			return ar[i] < br[i]
-		}
-		if al || bl {
-			return bl
-		}
-		var ai, bi int
-		var an, bn int64
-		if ar[i] == '0' || br[i] == '0' {
-			for j := i-1; j >= 0 && unicode.IsDigit(ar[j]); j-- {
-				if ar[j] != '0' {
-					an = 1
-					bn = 1
-					break
-				}
-			}
-		}
-		for ai = i; ai < len(ar) && unicode.IsDigit(ar[ai]); ai++ {
-			an = an*10 + int64(ar[ai]-'0')
-		}
-		for bi = i; bi < len(br) && unicode.IsDigit(br[bi]); bi++ {
-			bn = bn*10 + int64(br[bi]-'0')
-		}
-		if an != bn {
-			return an < bn
-		}
-		if ai != bi {
-			return ai < bi
-		}
-		return ar[i] < br[i]
-	}
-	return len(ar) < len(br)
-}
-
-// keyFloat returns a float value for v if it is a number/bool
-// and whether it is a number/bool or not.
-func keyFloat(v reflect.Value) (f float64, ok bool) {
-	switch v.Kind() {
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return float64(v.Int()), true
-	case reflect.Float32, reflect.Float64:
-		return v.Float(), true
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return float64(v.Uint()), true
-	case reflect.Bool:
-		if v.Bool() {
-			return 1, true
-		}
-		return 0, true
-	}
-	return 0, false
-}
-
-// numLess returns whether a < b.
-// a and b must necessarily have the same kind.
-func numLess(a, b reflect.Value) bool {
-	switch a.Kind() {
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return a.Int() < b.Int()
-	case reflect.Float32, reflect.Float64:
-		return a.Float() < b.Float()
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return a.Uint() < b.Uint()
-	case reflect.Bool:
-		return !a.Bool() && b.Bool()
-	}
-	panic("not a number")
-}

vendor/gopkg.in/yaml.v2/writerc.go

@@ -1,26 +0,0 @@
-package yaml
-
-// Set the writer error and return false.
-func yaml_emitter_set_writer_error(emitter *yaml_emitter_t, problem string) bool {
-	emitter.error = yaml_WRITER_ERROR
-	emitter.problem = problem
-	return false
-}
-
-// Flush the output buffer.
-func yaml_emitter_flush(emitter *yaml_emitter_t) bool {
-	if emitter.write_handler == nil {
-		panic("write handler not set")
-	}
-
-	// Check if the buffer is empty.
-	if emitter.buffer_pos == 0 {
-		return true
-	}
-
-	if err := emitter.write_handler(emitter, emitter.buffer[:emitter.buffer_pos]); err != nil {
-		return yaml_emitter_set_writer_error(emitter, "write error: "+err.Error())
-	}
-	emitter.buffer_pos = 0
-	return true
-}

vendor/gopkg.in/yaml.v2/yaml.go

@@ -1,466 +0,0 @@
-// Package yaml implements YAML support for the Go language.
-//
-// Source code and other details for the project are available at GitHub:
-//
-//   https://github.com/go-yaml/yaml
-//
-package yaml
-
-import (
-	"errors"
-	"fmt"
-	"io"
-	"reflect"
-	"strings"
-	"sync"
-)
-
-// MapSlice encodes and decodes as a YAML map.
-// The order of keys is preserved when encoding and decoding.
-type MapSlice []MapItem
-
-// MapItem is an item in a MapSlice.
-type MapItem struct {
-	Key, Value interface{}
-}
-
-// The Unmarshaler interface may be implemented by types to customize their
-// behavior when being unmarshaled from a YAML document. The UnmarshalYAML
-// method receives a function that may be called to unmarshal the original
-// YAML value into a field or variable. It is safe to call the unmarshal
-// function parameter more than once if necessary.
-type Unmarshaler interface {
-	UnmarshalYAML(unmarshal func(interface{}) error) error
-}
-
-// The Marshaler interface may be implemented by types to customize their
-// behavior when being marshaled into a YAML document. The returned value
-// is marshaled in place of the original value implementing Marshaler.
-//
-// If an error is returned by MarshalYAML, the marshaling procedure stops
-// and returns with the provided error.
-type Marshaler interface {
-	MarshalYAML() (interface{}, error)
-}
-
-// Unmarshal decodes the first document found within the in byte slice
-// and assigns decoded values into the out value.
-//
-// Maps and pointers (to a struct, string, int, etc) are accepted as out
-// values. If an internal pointer within a struct is not initialized,
-// the yaml package will initialize it if necessary for unmarshalling
-// the provided data. The out parameter must not be nil.
-//
-// The type of the decoded values should be compatible with the respective
-// values in out. If one or more values cannot be decoded due to a type
-// mismatches, decoding continues partially until the end of the YAML
-// content, and a *yaml.TypeError is returned with details for all
-// missed values.
-//
-// Struct fields are only unmarshalled if they are exported (have an
-// upper case first letter), and are unmarshalled using the field name
-// lowercased as the default key. Custom keys may be defined via the
-// "yaml" name in the field tag: the content preceding the first comma
-// is used as the key, and the following comma-separated options are
-// used to tweak the marshalling process (see Marshal).
-// Conflicting names result in a runtime error.
-//
-// For example:
-//
-//     type T struct {
-//         F int `yaml:"a,omitempty"`
-//         B int
-//     }
-//     var t T
-//     yaml.Unmarshal([]byte("a: 1\nb: 2"), &t)
-//
-// See the documentation of Marshal for the format of tags and a list of
-// supported tag options.
-//
-func Unmarshal(in []byte, out interface{}) (err error) {
-	return unmarshal(in, out, false)
-}
-
-// UnmarshalStrict is like Unmarshal except that any fields that are found
-// in the data that do not have corresponding struct members, or mapping
-// keys that are duplicates, will result in
-// an error.
-func UnmarshalStrict(in []byte, out interface{}) (err error) {
-	return unmarshal(in, out, true)
-}
-
-// A Decorder reads and decodes YAML values from an input stream.
-type Decoder struct {
-	strict bool
-	parser *parser
-}
-
-// NewDecoder returns a new decoder that reads from r.
-//
-// The decoder introduces its own buffering and may read
-// data from r beyond the YAML values requested.
-func NewDecoder(r io.Reader) *Decoder {
-	return &Decoder{
-		parser: newParserFromReader(r),
-	}
-}
-
-// SetStrict sets whether strict decoding behaviour is enabled when
-// decoding items in the data (see UnmarshalStrict). By default, decoding is not strict.
-func (dec *Decoder) SetStrict(strict bool) {
-	dec.strict = strict
-}
-
-// Decode reads the next YAML-encoded value from its input
-// and stores it in the value pointed to by v.
-//
-// See the documentation for Unmarshal for details about the
-// conversion of YAML into a Go value.
-func (dec *Decoder) Decode(v interface{}) (err error) {
-	d := newDecoder(dec.strict)
-	defer handleErr(&err)
-	node := dec.parser.parse()
-	if node == nil {
-		return io.EOF
-	}
-	out := reflect.ValueOf(v)
-	if out.Kind() == reflect.Ptr && !out.IsNil() {
-		out = out.Elem()
-	}
-	d.unmarshal(node, out)
-	if len(d.terrors) > 0 {
-		return &TypeError{d.terrors}
-	}
-	return nil
-}
-
-func unmarshal(in []byte, out interface{}, strict bool) (err error) {
-	defer handleErr(&err)
-	d := newDecoder(strict)
-	p := newParser(in)
-	defer p.destroy()
-	node := p.parse()
-	if node != nil {
-		v := reflect.ValueOf(out)
-		if v.Kind() == reflect.Ptr && !v.IsNil() {
-			v = v.Elem()
-		}
-		d.unmarshal(node, v)
-	}
-	if len(d.terrors) > 0 {
-		return &TypeError{d.terrors}
-	}
-	return nil
-}
-
-// Marshal serializes the value provided into a YAML document. The structure
-// of the generated document will reflect the structure of the value itself.
-// Maps and pointers (to struct, string, int, etc) are accepted as the in value.
-//
-// Struct fields are only marshalled if they are exported (have an upper case
-// first letter), and are marshalled using the field name lowercased as the
-// default key. Custom keys may be defined via the "yaml" name in the field
-// tag: the content preceding the first comma is used as the key, and the
-// following comma-separated options are used to tweak the marshalling process.
-// Conflicting names result in a runtime error.
-//
-// The field tag format accepted is:
-//
-//     `(...) yaml:"[<key>][,<flag1>[,<flag2>]]" (...)`
-//
-// The following flags are currently supported:
-//
-//     omitempty    Only include the field if it's not set to the zero
-//                  value for the type or to empty slices or maps.
-//                  Zero valued structs will be omitted if all their public
-//                  fields are zero, unless they implement an IsZero
-//                  method (see the IsZeroer interface type), in which
-//                  case the field will be included if that method returns true.
-//
-//     flow         Marshal using a flow style (useful for structs,
-//                  sequences and maps).
-//
-//     inline       Inline the field, which must be a struct or a map,
-//                  causing all of its fields or keys to be processed as if
-//                  they were part of the outer struct. For maps, keys must
-//                  not conflict with the yaml keys of other struct fields.
-//
-// In addition, if the key is "-", the field is ignored.
-//
-// For example:
-//
-//     type T struct {
-//         F int `yaml:"a,omitempty"`
-//         B int
-//     }
-//     yaml.Marshal(&T{B: 2}) // Returns "b: 2\n"
-//     yaml.Marshal(&T{F: 1}} // Returns "a: 1\nb: 0\n"
-//
-func Marshal(in interface{}) (out []byte, err error) {
-	defer handleErr(&err)
-	e := newEncoder()
-	defer e.destroy()
-	e.marshalDoc("", reflect.ValueOf(in))
-	e.finish()
-	out = e.out
-	return
-}
-
-// An Encoder writes YAML values to an output stream.
-type Encoder struct {
-	encoder *encoder
-}
-
-// NewEncoder returns a new encoder that writes to w.
-// The Encoder should be closed after use to flush all data
-// to w.
-func NewEncoder(w io.Writer) *Encoder {
-	return &Encoder{
-		encoder: newEncoderWithWriter(w),
-	}
-}
-
-// Encode writes the YAML encoding of v to the stream.
-// If multiple items are encoded to the stream, the
-// second and subsequent document will be preceded
-// with a "---" document separator, but the first will not.
-//
-// See the documentation for Marshal for details about the conversion of Go
-// values to YAML.
-func (e *Encoder) Encode(v interface{}) (err error) {
-	defer handleErr(&err)
-	e.encoder.marshalDoc("", reflect.ValueOf(v))
-	return nil
-}
-
-// Close closes the encoder by writing any remaining data.
-// It does not write a stream terminating string "...".
-func (e *Encoder) Close() (err error) {
-	defer handleErr(&err)
-	e.encoder.finish()
-	return nil
-}
-
-func handleErr(err *error) {
-	if v := recover(); v != nil {
-		if e, ok := v.(yamlError); ok {
-			*err = e.err
-		} else {
-			panic(v)
-		}
-	}
-}
-
-type yamlError struct {
-	err error
-}
-
-func fail(err error) {
-	panic(yamlError{err})
-}
-
-func failf(format string, args ...interface{}) {
-	panic(yamlError{fmt.Errorf("yaml: "+format, args...)})
-}
-
-// A TypeError is returned by Unmarshal when one or more fields in
-// the YAML document cannot be properly decoded into the requested
-// types. When this error is returned, the value is still
-// unmarshaled partially.
-type TypeError struct {
-	Errors []string
-}
-
-func (e *TypeError) Error() string {
-	return fmt.Sprintf("yaml: unmarshal errors:\n  %s", strings.Join(e.Errors, "\n  "))
-}
-
-// --------------------------------------------------------------------------
-// Maintain a mapping of keys to structure field indexes
-
-// The code in this section was copied from mgo/bson.
-
-// structInfo holds details for the serialization of fields of
-// a given struct.
-type structInfo struct {
-	FieldsMap  map[string]fieldInfo
-	FieldsList []fieldInfo
-
-	// InlineMap is the number of the field in the struct that
-	// contains an ,inline map, or -1 if there's none.
-	InlineMap int
-}
-
-type fieldInfo struct {
-	Key       string
-	Num       int
-	OmitEmpty bool
-	Flow      bool
-	// Id holds the unique field identifier, so we can cheaply
-	// check for field duplicates without maintaining an extra map.
-	Id int
-
-	// Inline holds the field index if the field is part of an inlined struct.
-	Inline []int
-}
-
-var structMap = make(map[reflect.Type]*structInfo)
-var fieldMapMutex sync.RWMutex
-
-func getStructInfo(st reflect.Type) (*structInfo, error) {
-	fieldMapMutex.RLock()
-	sinfo, found := structMap[st]
-	fieldMapMutex.RUnlock()
-	if found {
-		return sinfo, nil
-	}
-
-	n := st.NumField()
-	fieldsMap := make(map[string]fieldInfo)
-	fieldsList := make([]fieldInfo, 0, n)
-	inlineMap := -1
-	for i := 0; i != n; i++ {
-		field := st.Field(i)
-		if field.PkgPath != "" && !field.Anonymous {
-			continue // Private field
-		}
-
-		info := fieldInfo{Num: i}
-
-		tag := field.Tag.Get("yaml")
-		if tag == "" && strings.Index(string(field.Tag), ":") < 0 {
-			tag = string(field.Tag)
-		}
-		if tag == "-" {
-			continue
-		}
-
-		inline := false
-		fields := strings.Split(tag, ",")
-		if len(fields) > 1 {
-			for _, flag := range fields[1:] {
-				switch flag {
-				case "omitempty":
-					info.OmitEmpty = true
-				case "flow":
-					info.Flow = true
-				case "inline":
-					inline = true
-				default:
-					return nil, errors.New(fmt.Sprintf("Unsupported flag %q in tag %q of type %s", flag, tag, st))
-				}
-			}
-			tag = fields[0]
-		}
-
-		if inline {
-			switch field.Type.Kind() {
-			case reflect.Map:
-				if inlineMap >= 0 {
-					return nil, errors.New("Multiple ,inline maps in struct " + st.String())
-				}
-				if field.Type.Key() != reflect.TypeOf("") {
-					return nil, errors.New("Option ,inline needs a map with string keys in struct " + st.String())
-				}
-				inlineMap = info.Num
-			case reflect.Struct:
-				sinfo, err := getStructInfo(field.Type)
-				if err != nil {
-					return nil, err
-				}
-				for _, finfo := range sinfo.FieldsList {
-					if _, found := fieldsMap[finfo.Key]; found {
-						msg := "Duplicated key '" + finfo.Key + "' in struct " + st.String()
-						return nil, errors.New(msg)
-					}
-					if finfo.Inline == nil {
-						finfo.Inline = []int{i, finfo.Num}
-					} else {
-						finfo.Inline = append([]int{i}, finfo.Inline...)
-					}
-					finfo.Id = len(fieldsList)
-					fieldsMap[finfo.Key] = finfo
-					fieldsList = append(fieldsList, finfo)
-				}
-			default:
-				//return nil, errors.New("Option ,inline needs a struct value or map field")
-				return nil, errors.New("Option ,inline needs a struct value field")
-			}
-			continue
-		}
-
-		if tag != "" {
-			info.Key = tag
-		} else {
-			info.Key = strings.ToLower(field.Name)
-		}
-
-		if _, found = fieldsMap[info.Key]; found {
-			msg := "Duplicated key '" + info.Key + "' in struct " + st.String()
-			return nil, errors.New(msg)
-		}
-
-		info.Id = len(fieldsList)
-		fieldsList = append(fieldsList, info)
-		fieldsMap[info.Key] = info
-	}
-
-	sinfo = &structInfo{
-		FieldsMap:  fieldsMap,
-		FieldsList: fieldsList,
-		InlineMap:  inlineMap,
-	}
-
-	fieldMapMutex.Lock()
-	structMap[st] = sinfo
-	fieldMapMutex.Unlock()
-	return sinfo, nil
-}
-
-// IsZeroer is used to check whether an object is zero to
-// determine whether it should be omitted when marshaling
-// with the omitempty flag. One notable implementation
-// is time.Time.
-type IsZeroer interface {
-	IsZero() bool
-}
-
-func isZero(v reflect.Value) bool {
-	kind := v.Kind()
-	if z, ok := v.Interface().(IsZeroer); ok {
-		if (kind == reflect.Ptr || kind == reflect.Interface) && v.IsNil() {
-			return true
-		}
-		return z.IsZero()
-	}
-	switch kind {
-	case reflect.String:
-		return len(v.String()) == 0
-	case reflect.Interface, reflect.Ptr:
-		return v.IsNil()
-	case reflect.Slice:
-		return v.Len() == 0
-	case reflect.Map:
-		return v.Len() == 0
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return v.Int() == 0
-	case reflect.Float32, reflect.Float64:
-		return v.Float() == 0
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return v.Uint() == 0
-	case reflect.Bool:
-		return !v.Bool()
-	case reflect.Struct:
-		vt := v.Type()
-		for i := v.NumField() - 1; i >= 0; i-- {
-			if vt.Field(i).PkgPath != "" {
-				continue // Private field
-			}
-			if !isZero(v.Field(i)) {
-				return false
-			}
-		}
-		return true
-	}
-	return false
-}

vendor/gopkg.in/yaml.v2/yamlh.go

@@ -1,738 +0,0 @@
-package yaml
-
-import (
-	"fmt"
-	"io"
-)
-
-// The version directive data.
-type yaml_version_directive_t struct {
-	major int8 // The major version number.
-	minor int8 // The minor version number.
-}
-
-// The tag directive data.
-type yaml_tag_directive_t struct {
-	handle []byte // The tag handle.
-	prefix []byte // The tag prefix.
-}
-
-type yaml_encoding_t int
-
-// The stream encoding.
-const (
-	// Let the parser choose the encoding.
-	yaml_ANY_ENCODING yaml_encoding_t = iota
-
-	yaml_UTF8_ENCODING    // The default UTF-8 encoding.
-	yaml_UTF16LE_ENCODING // The UTF-16-LE encoding with BOM.
-	yaml_UTF16BE_ENCODING // The UTF-16-BE encoding with BOM.
-)
-
-type yaml_break_t int
-
-// Line break types.
-const (
-	// Let the parser choose the break type.
-	yaml_ANY_BREAK yaml_break_t = iota
-
-	yaml_CR_BREAK   // Use CR for line breaks (Mac style).
-	yaml_LN_BREAK   // Use LN for line breaks (Unix style).
-	yaml_CRLN_BREAK // Use CR LN for line breaks (DOS style).
-)
-
-type yaml_error_type_t int
-
-// Many bad things could happen with the parser and emitter.
-const (
-	// No error is produced.
-	yaml_NO_ERROR yaml_error_type_t = iota
-
-	yaml_MEMORY_ERROR   // Cannot allocate or reallocate a block of memory.
-	yaml_READER_ERROR   // Cannot read or decode the input stream.
-	yaml_SCANNER_ERROR  // Cannot scan the input stream.
-	yaml_PARSER_ERROR   // Cannot parse the input stream.
-	yaml_COMPOSER_ERROR // Cannot compose a YAML document.
-	yaml_WRITER_ERROR   // Cannot write to the output stream.
-	yaml_EMITTER_ERROR  // Cannot emit a YAML stream.
-)
-
-// The pointer position.
-type yaml_mark_t struct {
-	index  int // The position index.
-	line   int // The position line.
-	column int // The position column.
-}
-
-// Node Styles
-
-type yaml_style_t int8
-
-type yaml_scalar_style_t yaml_style_t
-
-// Scalar styles.
-const (
-	// Let the emitter choose the style.
-	yaml_ANY_SCALAR_STYLE yaml_scalar_style_t = iota
-
-	yaml_PLAIN_SCALAR_STYLE         // The plain scalar style.
-	yaml_SINGLE_QUOTED_SCALAR_STYLE // The single-quoted scalar style.
-	yaml_DOUBLE_QUOTED_SCALAR_STYLE // The double-quoted scalar style.
-	yaml_LITERAL_SCALAR_STYLE       // The literal scalar style.
-	yaml_FOLDED_SCALAR_STYLE        // The folded scalar style.
-)
-
-type yaml_sequence_style_t yaml_style_t
-
-// Sequence styles.
-const (
-	// Let the emitter choose the style.
-	yaml_ANY_SEQUENCE_STYLE yaml_sequence_style_t = iota
-
-	yaml_BLOCK_SEQUENCE_STYLE // The block sequence style.
-	yaml_FLOW_SEQUENCE_STYLE  // The flow sequence style.
-)
-
-type yaml_mapping_style_t yaml_style_t
-
-// Mapping styles.
-const (
-	// Let the emitter choose the style.
-	yaml_ANY_MAPPING_STYLE yaml_mapping_style_t = iota
-
-	yaml_BLOCK_MAPPING_STYLE // The block mapping style.
-	yaml_FLOW_MAPPING_STYLE  // The flow mapping style.
-)
-
-// Tokens
-
-type yaml_token_type_t int
-
-// Token types.
-const (
-	// An empty token.
-	yaml_NO_TOKEN yaml_token_type_t = iota
-
-	yaml_STREAM_START_TOKEN // A STREAM-START token.
-	yaml_STREAM_END_TOKEN   // A STREAM-END token.
-
-	yaml_VERSION_DIRECTIVE_TOKEN // A VERSION-DIRECTIVE token.
-	yaml_TAG_DIRECTIVE_TOKEN     // A TAG-DIRECTIVE token.
-	yaml_DOCUMENT_START_TOKEN    // A DOCUMENT-START token.
-	yaml_DOCUMENT_END_TOKEN      // A DOCUMENT-END token.
-
-	yaml_BLOCK_SEQUENCE_START_TOKEN // A BLOCK-SEQUENCE-START token.
-	yaml_BLOCK_MAPPING_START_TOKEN  // A BLOCK-SEQUENCE-END token.
-	yaml_BLOCK_END_TOKEN            // A BLOCK-END token.
-
-	yaml_FLOW_SEQUENCE_START_TOKEN // A FLOW-SEQUENCE-START token.
-	yaml_FLOW_SEQUENCE_END_TOKEN   // A FLOW-SEQUENCE-END token.
-	yaml_FLOW_MAPPING_START_TOKEN  // A FLOW-MAPPING-START token.
-	yaml_FLOW_MAPPING_END_TOKEN    // A FLOW-MAPPING-END token.
-
-	yaml_BLOCK_ENTRY_TOKEN // A BLOCK-ENTRY token.
-	yaml_FLOW_ENTRY_TOKEN  // A FLOW-ENTRY token.
-	yaml_KEY_TOKEN         // A KEY token.
-	yaml_VALUE_TOKEN       // A VALUE token.
-
-	yaml_ALIAS_TOKEN  // An ALIAS token.
-	yaml_ANCHOR_TOKEN // An ANCHOR token.
-	yaml_TAG_TOKEN    // A TAG token.
-	yaml_SCALAR_TOKEN // A SCALAR token.
-)
-
-func (tt yaml_token_type_t) String() string {
-	switch tt {
-	case yaml_NO_TOKEN:
-		return "yaml_NO_TOKEN"
-	case yaml_STREAM_START_TOKEN:
-		return "yaml_STREAM_START_TOKEN"
-	case yaml_STREAM_END_TOKEN:
-		return "yaml_STREAM_END_TOKEN"
-	case yaml_VERSION_DIRECTIVE_TOKEN:
-		return "yaml_VERSION_DIRECTIVE_TOKEN"
-	case yaml_TAG_DIRECTIVE_TOKEN:
-		return "yaml_TAG_DIRECTIVE_TOKEN"
-	case yaml_DOCUMENT_START_TOKEN:
-		return "yaml_DOCUMENT_START_TOKEN"
-	case yaml_DOCUMENT_END_TOKEN:
-		return "yaml_DOCUMENT_END_TOKEN"
-	case yaml_BLOCK_SEQUENCE_START_TOKEN:
-		return "yaml_BLOCK_SEQUENCE_START_TOKEN"
-	case yaml_BLOCK_MAPPING_START_TOKEN:
-		return "yaml_BLOCK_MAPPING_START_TOKEN"
-	case yaml_BLOCK_END_TOKEN:
-		return "yaml_BLOCK_END_TOKEN"
-	case yaml_FLOW_SEQUENCE_START_TOKEN:
-		return "yaml_FLOW_SEQUENCE_START_TOKEN"
-	case yaml_FLOW_SEQUENCE_END_TOKEN:
-		return "yaml_FLOW_SEQUENCE_END_TOKEN"
-	case yaml_FLOW_MAPPING_START_TOKEN:
-		return "yaml_FLOW_MAPPING_START_TOKEN"
-	case yaml_FLOW_MAPPING_END_TOKEN:
-		return "yaml_FLOW_MAPPING_END_TOKEN"
-	case yaml_BLOCK_ENTRY_TOKEN:
-		return "yaml_BLOCK_ENTRY_TOKEN"
-	case yaml_FLOW_ENTRY_TOKEN:
-		return "yaml_FLOW_ENTRY_TOKEN"
-	case yaml_KEY_TOKEN:
-		return "yaml_KEY_TOKEN"
-	case yaml_VALUE_TOKEN:
-		return "yaml_VALUE_TOKEN"
-	case yaml_ALIAS_TOKEN:
-		return "yaml_ALIAS_TOKEN"
-	case yaml_ANCHOR_TOKEN:
-		return "yaml_ANCHOR_TOKEN"
-	case yaml_TAG_TOKEN:
-		return "yaml_TAG_TOKEN"
-	case yaml_SCALAR_TOKEN:
-		return "yaml_SCALAR_TOKEN"
-	}
-	return "<unknown token>"
-}
-
-// The token structure.
-type yaml_token_t struct {
-	// The token type.
-	typ yaml_token_type_t
-
-	// The start/end of the token.
-	start_mark, end_mark yaml_mark_t
-
-	// The stream encoding (for yaml_STREAM_START_TOKEN).
-	encoding yaml_encoding_t
-
-	// The alias/anchor/scalar value or tag/tag directive handle
-	// (for yaml_ALIAS_TOKEN, yaml_ANCHOR_TOKEN, yaml_SCALAR_TOKEN, yaml_TAG_TOKEN, yaml_TAG_DIRECTIVE_TOKEN).
-	value []byte
-
-	// The tag suffix (for yaml_TAG_TOKEN).
-	suffix []byte
-
-	// The tag directive prefix (for yaml_TAG_DIRECTIVE_TOKEN).
-	prefix []byte
-
-	// The scalar style (for yaml_SCALAR_TOKEN).
-	style yaml_scalar_style_t
-
-	// The version directive major/minor (for yaml_VERSION_DIRECTIVE_TOKEN).
-	major, minor int8
-}
-
-// Events
-
-type yaml_event_type_t int8
-
-// Event types.
-const (
-	// An empty event.
-	yaml_NO_EVENT yaml_event_type_t = iota
-
-	yaml_STREAM_START_EVENT   // A STREAM-START event.
-	yaml_STREAM_END_EVENT     // A STREAM-END event.
-	yaml_DOCUMENT_START_EVENT // A DOCUMENT-START event.
-	yaml_DOCUMENT_END_EVENT   // A DOCUMENT-END event.
-	yaml_ALIAS_EVENT          // An ALIAS event.
-	yaml_SCALAR_EVENT         // A SCALAR event.
-	yaml_SEQUENCE_START_EVENT // A SEQUENCE-START event.
-	yaml_SEQUENCE_END_EVENT   // A SEQUENCE-END event.
-	yaml_MAPPING_START_EVENT  // A MAPPING-START event.
-	yaml_MAPPING_END_EVENT    // A MAPPING-END event.
-)
-
-var eventStrings = []string{
-	yaml_NO_EVENT:             "none",
-	yaml_STREAM_START_EVENT:   "stream start",
-	yaml_STREAM_END_EVENT:     "stream end",
-	yaml_DOCUMENT_START_EVENT: "document start",
-	yaml_DOCUMENT_END_EVENT:   "document end",
-	yaml_ALIAS_EVENT:          "alias",
-	yaml_SCALAR_EVENT:         "scalar",
-	yaml_SEQUENCE_START_EVENT: "sequence start",
-	yaml_SEQUENCE_END_EVENT:   "sequence end",
-	yaml_MAPPING_START_EVENT:  "mapping start",
-	yaml_MAPPING_END_EVENT:    "mapping end",
-}
-
-func (e yaml_event_type_t) String() string {
-	if e < 0 || int(e) >= len(eventStrings) {
-		return fmt.Sprintf("unknown event %d", e)
-	}
-	return eventStrings[e]
-}
-
-// The event structure.
-type yaml_event_t struct {
-
-	// The event type.
-	typ yaml_event_type_t
-
-	// The start and end of the event.
-	start_mark, end_mark yaml_mark_t
-
-	// The document encoding (for yaml_STREAM_START_EVENT).
-	encoding yaml_encoding_t
-
-	// The version directive (for yaml_DOCUMENT_START_EVENT).
-	version_directive *yaml_version_directive_t
-
-	// The list of tag directives (for yaml_DOCUMENT_START_EVENT).
-	tag_directives []yaml_tag_directive_t
-
-	// The anchor (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT, yaml_ALIAS_EVENT).
-	anchor []byte
-
-	// The tag (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT).
-	tag []byte
-
-	// The scalar value (for yaml_SCALAR_EVENT).
-	value []byte
-
-	// Is the document start/end indicator implicit, or the tag optional?
-	// (for yaml_DOCUMENT_START_EVENT, yaml_DOCUMENT_END_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT, yaml_SCALAR_EVENT).
-	implicit bool
-
-	// Is the tag optional for any non-plain style? (for yaml_SCALAR_EVENT).
-	quoted_implicit bool
-
-	// The style (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT).
-	style yaml_style_t
-}
-
-func (e *yaml_event_t) scalar_style() yaml_scalar_style_t     { return yaml_scalar_style_t(e.style) }
-func (e *yaml_event_t) sequence_style() yaml_sequence_style_t { return yaml_sequence_style_t(e.style) }
-func (e *yaml_event_t) mapping_style() yaml_mapping_style_t   { return yaml_mapping_style_t(e.style) }
-
-// Nodes
-
-const (
-	yaml_NULL_TAG      = "tag:yaml.org,2002:null"      // The tag !!null with the only possible value: null.
-	yaml_BOOL_TAG      = "tag:yaml.org,2002:bool"      // The tag !!bool with the values: true and false.
-	yaml_STR_TAG       = "tag:yaml.org,2002:str"       // The tag !!str for string values.
-	yaml_INT_TAG       = "tag:yaml.org,2002:int"       // The tag !!int for integer values.
-	yaml_FLOAT_TAG     = "tag:yaml.org,2002:float"     // The tag !!float for float values.
-	yaml_TIMESTAMP_TAG = "tag:yaml.org,2002:timestamp" // The tag !!timestamp for date and time values.
-
-	yaml_SEQ_TAG = "tag:yaml.org,2002:seq" // The tag !!seq is used to denote sequences.
-	yaml_MAP_TAG = "tag:yaml.org,2002:map" // The tag !!map is used to denote mapping.
-
-	// Not in original libyaml.
-	yaml_BINARY_TAG = "tag:yaml.org,2002:binary"
-	yaml_MERGE_TAG  = "tag:yaml.org,2002:merge"
-
-	yaml_DEFAULT_SCALAR_TAG   = yaml_STR_TAG // The default scalar tag is !!str.
-	yaml_DEFAULT_SEQUENCE_TAG = yaml_SEQ_TAG // The default sequence tag is !!seq.
-	yaml_DEFAULT_MAPPING_TAG  = yaml_MAP_TAG // The default mapping tag is !!map.
-)
-
-type yaml_node_type_t int
-
-// Node types.
-const (
-	// An empty node.
-	yaml_NO_NODE yaml_node_type_t = iota
-
-	yaml_SCALAR_NODE   // A scalar node.
-	yaml_SEQUENCE_NODE // A sequence node.
-	yaml_MAPPING_NODE  // A mapping node.
-)
-
-// An element of a sequence node.
-type yaml_node_item_t int
-
-// An element of a mapping node.
-type yaml_node_pair_t struct {
-	key   int // The key of the element.
-	value int // The value of the element.
-}
-
-// The node structure.
-type yaml_node_t struct {
-	typ yaml_node_type_t // The node type.
-	tag []byte           // The node tag.
-
-	// The node data.
-
-	// The scalar parameters (for yaml_SCALAR_NODE).
-	scalar struct {
-		value  []byte              // The scalar value.
-		length int                 // The length of the scalar value.
-		style  yaml_scalar_style_t // The scalar style.
-	}
-
-	// The sequence parameters (for YAML_SEQUENCE_NODE).
-	sequence struct {
-		items_data []yaml_node_item_t    // The stack of sequence items.
-		style      yaml_sequence_style_t // The sequence style.
-	}
-
-	// The mapping parameters (for yaml_MAPPING_NODE).
-	mapping struct {
-		pairs_data  []yaml_node_pair_t   // The stack of mapping pairs (key, value).
-		pairs_start *yaml_node_pair_t    // The beginning of the stack.
-		pairs_end   *yaml_node_pair_t    // The end of the stack.
-		pairs_top   *yaml_node_pair_t    // The top of the stack.
-		style       yaml_mapping_style_t // The mapping style.
-	}
-
-	start_mark yaml_mark_t // The beginning of the node.
-	end_mark   yaml_mark_t // The end of the node.
-
-}
-
-// The document structure.
-type yaml_document_t struct {
-
-	// The document nodes.
-	nodes []yaml_node_t
-
-	// The version directive.
-	version_directive *yaml_version_directive_t
-
-	// The list of tag directives.
-	tag_directives_data  []yaml_tag_directive_t
-	tag_directives_start int // The beginning of the tag directives list.
-	tag_directives_end   int // The end of the tag directives list.
-
-	start_implicit int // Is the document start indicator implicit?
-	end_implicit   int // Is the document end indicator implicit?
-
-	// The start/end of the document.
-	start_mark, end_mark yaml_mark_t
-}
-
-// The prototype of a read handler.
-//
-// The read handler is called when the parser needs to read more bytes from the
-// source. The handler should write not more than size bytes to the buffer.
-// The number of written bytes should be set to the size_read variable.
-//
-// [in,out]   data        A pointer to an application data specified by
-//                        yaml_parser_set_input().
-// [out]      buffer      The buffer to write the data from the source.
-// [in]       size        The size of the buffer.
-// [out]      size_read   The actual number of bytes read from the source.
-//
-// On success, the handler should return 1.  If the handler failed,
-// the returned value should be 0. On EOF, the handler should set the
-// size_read to 0 and return 1.
-type yaml_read_handler_t func(parser *yaml_parser_t, buffer []byte) (n int, err error)
-
-// This structure holds information about a potential simple key.
-type yaml_simple_key_t struct {
-	possible     bool        // Is a simple key possible?
-	required     bool        // Is a simple key required?
-	token_number int         // The number of the token.
-	mark         yaml_mark_t // The position mark.
-}
-
-// The states of the parser.
-type yaml_parser_state_t int
-
-const (
-	yaml_PARSE_STREAM_START_STATE yaml_parser_state_t = iota
-
-	yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE           // Expect the beginning of an implicit document.
-	yaml_PARSE_DOCUMENT_START_STATE                    // Expect DOCUMENT-START.
-	yaml_PARSE_DOCUMENT_CONTENT_STATE                  // Expect the content of a document.
-	yaml_PARSE_DOCUMENT_END_STATE                      // Expect DOCUMENT-END.
-	yaml_PARSE_BLOCK_NODE_STATE                        // Expect a block node.
-	yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE // Expect a block node or indentless sequence.
-	yaml_PARSE_FLOW_NODE_STATE                         // Expect a flow node.
-	yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE        // Expect the first entry of a block sequence.
-	yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE              // Expect an entry of a block sequence.
-	yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE         // Expect an entry of an indentless sequence.
-	yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE           // Expect the first key of a block mapping.
-	yaml_PARSE_BLOCK_MAPPING_KEY_STATE                 // Expect a block mapping key.
-	yaml_PARSE_BLOCK_MAPPING_VALUE_STATE               // Expect a block mapping value.
-	yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE         // Expect the first entry of a flow sequence.
-	yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE               // Expect an entry of a flow sequence.
-	yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE   // Expect a key of an ordered mapping.
-	yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE // Expect a value of an ordered mapping.
-	yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE   // Expect the and of an ordered mapping entry.
-	yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE            // Expect the first key of a flow mapping.
-	yaml_PARSE_FLOW_MAPPING_KEY_STATE                  // Expect a key of a flow mapping.
-	yaml_PARSE_FLOW_MAPPING_VALUE_STATE                // Expect a value of a flow mapping.
-	yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE          // Expect an empty value of a flow mapping.
-	yaml_PARSE_END_STATE                               // Expect nothing.
-)
-
-func (ps yaml_parser_state_t) String() string {
-	switch ps {
-	case yaml_PARSE_STREAM_START_STATE:
-		return "yaml_PARSE_STREAM_START_STATE"
-	case yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE:
-		return "yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE"
-	case yaml_PARSE_DOCUMENT_START_STATE:
-		return "yaml_PARSE_DOCUMENT_START_STATE"
-	case yaml_PARSE_DOCUMENT_CONTENT_STATE:
-		return "yaml_PARSE_DOCUMENT_CONTENT_STATE"
-	case yaml_PARSE_DOCUMENT_END_STATE:
-		return "yaml_PARSE_DOCUMENT_END_STATE"
-	case yaml_PARSE_BLOCK_NODE_STATE:
-		return "yaml_PARSE_BLOCK_NODE_STATE"
-	case yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE:
-		return "yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE"
-	case yaml_PARSE_FLOW_NODE_STATE:
-		return "yaml_PARSE_FLOW_NODE_STATE"
-	case yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE:
-		return "yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE"
-	case yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE:
-		return "yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE"
-	case yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE:
-		return "yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE"
-	case yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE:
-		return "yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE"
-	case yaml_PARSE_BLOCK_MAPPING_KEY_STATE:
-		return "yaml_PARSE_BLOCK_MAPPING_KEY_STATE"
-	case yaml_PARSE_BLOCK_MAPPING_VALUE_STATE:
-		return "yaml_PARSE_BLOCK_MAPPING_VALUE_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE"
-	case yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE:
-		return "yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE"
-	case yaml_PARSE_FLOW_MAPPING_KEY_STATE:
-		return "yaml_PARSE_FLOW_MAPPING_KEY_STATE"
-	case yaml_PARSE_FLOW_MAPPING_VALUE_STATE:
-		return "yaml_PARSE_FLOW_MAPPING_VALUE_STATE"
-	case yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE:
-		return "yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE"
-	case yaml_PARSE_END_STATE:
-		return "yaml_PARSE_END_STATE"
-	}
-	return "<unknown parser state>"
-}
-
-// This structure holds aliases data.
-type yaml_alias_data_t struct {
-	anchor []byte      // The anchor.
-	index  int         // The node id.
-	mark   yaml_mark_t // The anchor mark.
-}
-
-// The parser structure.
-//
-// All members are internal. Manage the structure using the
-// yaml_parser_ family of functions.
-type yaml_parser_t struct {
-
-	// Error handling
-
-	error yaml_error_type_t // Error type.
-
-	problem string // Error description.
-
-	// The byte about which the problem occurred.
-	problem_offset int
-	problem_value  int
-	problem_mark   yaml_mark_t
-
-	// The error context.
-	context      string
-	context_mark yaml_mark_t
-
-	// Reader stuff
-
-	read_handler yaml_read_handler_t // Read handler.
-
-	input_reader io.Reader // File input data.
-	input        []byte    // String input data.
-	input_pos    int
-
-	eof bool // EOF flag
-
-	buffer     []byte // The working buffer.
-	buffer_pos int    // The current position of the buffer.
-
-	unread int // The number of unread characters in the buffer.
-
-	raw_buffer     []byte // The raw buffer.
-	raw_buffer_pos int    // The current position of the buffer.
-
-	encoding yaml_encoding_t // The input encoding.
-
-	offset int         // The offset of the current position (in bytes).
-	mark   yaml_mark_t // The mark of the current position.
-
-	// Scanner stuff
-
-	stream_start_produced bool // Have we started to scan the input stream?
-	stream_end_produced   bool // Have we reached the end of the input stream?
-
-	flow_level int // The number of unclosed '[' and '{' indicators.
-
-	tokens          []yaml_token_t // The tokens queue.
-	tokens_head     int            // The head of the tokens queue.
-	tokens_parsed   int            // The number of tokens fetched from the queue.
-	token_available bool           // Does the tokens queue contain a token ready for dequeueing.
-
-	indent  int   // The current indentation level.
-	indents []int // The indentation levels stack.
-
-	simple_key_allowed bool                // May a simple key occur at the current position?
-	simple_keys        []yaml_simple_key_t // The stack of simple keys.
-
-	// Parser stuff
-
-	state          yaml_parser_state_t    // The current parser state.
-	states         []yaml_parser_state_t  // The parser states stack.
-	marks          []yaml_mark_t          // The stack of marks.
-	tag_directives []yaml_tag_directive_t // The list of TAG directives.
-
-	// Dumper stuff
-
-	aliases []yaml_alias_data_t // The alias data.
-
-	document *yaml_document_t // The currently parsed document.
-}
-
-// Emitter Definitions
-
-// The prototype of a write handler.
-//
-// The write handler is called when the emitter needs to flush the accumulated
-// characters to the output.  The handler should write @a size bytes of the
-// @a buffer to the output.
-//
-// @param[in,out]   data        A pointer to an application data specified by
-//                              yaml_emitter_set_output().
-// @param[in]       buffer      The buffer with bytes to be written.
-// @param[in]       size        The size of the buffer.
-//
-// @returns On success, the handler should return @c 1.  If the handler failed,
-// the returned value should be @c 0.
-//
-type yaml_write_handler_t func(emitter *yaml_emitter_t, buffer []byte) error
-
-type yaml_emitter_state_t int
-
-// The emitter states.
-const (
-	// Expect STREAM-START.
-	yaml_EMIT_STREAM_START_STATE yaml_emitter_state_t = iota
-
-	yaml_EMIT_FIRST_DOCUMENT_START_STATE       // Expect the first DOCUMENT-START or STREAM-END.
-	yaml_EMIT_DOCUMENT_START_STATE             // Expect DOCUMENT-START or STREAM-END.
-	yaml_EMIT_DOCUMENT_CONTENT_STATE           // Expect the content of a document.
-	yaml_EMIT_DOCUMENT_END_STATE               // Expect DOCUMENT-END.
-	yaml_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE   // Expect the first item of a flow sequence.
-	yaml_EMIT_FLOW_SEQUENCE_ITEM_STATE         // Expect an item of a flow sequence.
-	yaml_EMIT_FLOW_MAPPING_FIRST_KEY_STATE     // Expect the first key of a flow mapping.
-	yaml_EMIT_FLOW_MAPPING_KEY_STATE           // Expect a key of a flow mapping.
-	yaml_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE  // Expect a value for a simple key of a flow mapping.
-	yaml_EMIT_FLOW_MAPPING_VALUE_STATE         // Expect a value of a flow mapping.
-	yaml_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE  // Expect the first item of a block sequence.
-	yaml_EMIT_BLOCK_SEQUENCE_ITEM_STATE        // Expect an item of a block sequence.
-	yaml_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE    // Expect the first key of a block mapping.
-	yaml_EMIT_BLOCK_MAPPING_KEY_STATE          // Expect the key of a block mapping.
-	yaml_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE // Expect a value for a simple key of a block mapping.
-	yaml_EMIT_BLOCK_MAPPING_VALUE_STATE        // Expect a value of a block mapping.
-	yaml_EMIT_END_STATE                        // Expect nothing.
-)
-
-// The emitter structure.
-//
-// All members are internal.  Manage the structure using the @c yaml_emitter_
-// family of functions.
-type yaml_emitter_t struct {
-
-	// Error handling
-
-	error   yaml_error_type_t // Error type.
-	problem string            // Error description.
-
-	// Writer stuff
-
-	write_handler yaml_write_handler_t // Write handler.
-
-	output_buffer *[]byte   // String output data.
-	output_writer io.Writer // File output data.
-
-	buffer     []byte // The working buffer.
-	buffer_pos int    // The current position of the buffer.
-
-	raw_buffer     []byte // The raw buffer.
-	raw_buffer_pos int    // The current position of the buffer.
-
-	encoding yaml_encoding_t // The stream encoding.
-
-	// Emitter stuff
-
-	canonical   bool         // If the output is in the canonical style?
-	best_indent int          // The number of indentation spaces.
-	best_width  int          // The preferred width of the output lines.
-	unicode     bool         // Allow unescaped non-ASCII characters?
-	line_break  yaml_break_t // The preferred line break.
-
-	state  yaml_emitter_state_t   // The current emitter state.
-	states []yaml_emitter_state_t // The stack of states.
-
-	events      []yaml_event_t // The event queue.
-	events_head int            // The head of the event queue.
-
-	indents []int // The stack of indentation levels.
-
-	tag_directives []yaml_tag_directive_t // The list of tag directives.
-
-	indent int // The current indentation level.
-
-	flow_level int // The current flow level.
-
-	root_context       bool // Is it the document root context?
-	sequence_context   bool // Is it a sequence context?
-	mapping_context    bool // Is it a mapping context?
-	simple_key_context bool // Is it a simple mapping key context?
-
-	line       int  // The current line.
-	column     int  // The current column.
-	whitespace bool // If the last character was a whitespace?
-	indention  bool // If the last character was an indentation character (' ', '-', '?', ':')?
-	open_ended bool // If an explicit document end is required?
-
-	// Anchor analysis.
-	anchor_data struct {
-		anchor []byte // The anchor value.
-		alias  bool   // Is it an alias?
-	}
-
-	// Tag analysis.
-	tag_data struct {
-		handle []byte // The tag handle.
-		suffix []byte // The tag suffix.
-	}
-
-	// Scalar analysis.
-	scalar_data struct {
-		value                 []byte              // The scalar value.
-		multiline             bool                // Does the scalar contain line breaks?
-		flow_plain_allowed    bool                // Can the scalar be expessed in the flow plain style?
-		block_plain_allowed   bool                // Can the scalar be expressed in the block plain style?
-		single_quoted_allowed bool                // Can the scalar be expressed in the single quoted style?
-		block_allowed         bool                // Can the scalar be expressed in the literal or folded styles?
-		style                 yaml_scalar_style_t // The output style.
-	}
-
-	// Dumper stuff
-
-	opened bool // If the stream was already opened?
-	closed bool // If the stream was already closed?
-
-	// The information associated with the document nodes.
-	anchors *struct {
-		references int  // The number of references.
-		anchor     int  // The anchor id.
-		serialized bool // If the node has been emitted?
-	}
-
-	last_anchor_id int // The last assigned anchor id.
-
-	document *yaml_document_t // The currently emitted document.
-}

vendor/gopkg.in/yaml.v2/yamlprivateh.go

@@ -1,173 +0,0 @@
-package yaml
-
-const (
-	// The size of the input raw buffer.
-	input_raw_buffer_size = 512
-
-	// The size of the input buffer.
-	// It should be possible to decode the whole raw buffer.
-	input_buffer_size = input_raw_buffer_size * 3
-
-	// The size of the output buffer.
-	output_buffer_size = 128
-
-	// The size of the output raw buffer.
-	// It should be possible to encode the whole output buffer.
-	output_raw_buffer_size = (output_buffer_size*2 + 2)
-
-	// The size of other stacks and queues.
-	initial_stack_size  = 16
-	initial_queue_size  = 16
-	initial_string_size = 16
-)
-
-// Check if the character at the specified position is an alphabetical
-// character, a digit, '_', or '-'.
-func is_alpha(b []byte, i int) bool {
-	return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'Z' || b[i] >= 'a' && b[i] <= 'z' || b[i] == '_' || b[i] == '-'
-}
-
-// Check if the character at the specified position is a digit.
-func is_digit(b []byte, i int) bool {
-	return b[i] >= '0' && b[i] <= '9'
-}
-
-// Get the value of a digit.
-func as_digit(b []byte, i int) int {
-	return int(b[i]) - '0'
-}
-
-// Check if the character at the specified position is a hex-digit.
-func is_hex(b []byte, i int) bool {
-	return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'F' || b[i] >= 'a' && b[i] <= 'f'
-}
-
-// Get the value of a hex-digit.
-func as_hex(b []byte, i int) int {
-	bi := b[i]
-	if bi >= 'A' && bi <= 'F' {
-		return int(bi) - 'A' + 10
-	}
-	if bi >= 'a' && bi <= 'f' {
-		return int(bi) - 'a' + 10
-	}
-	return int(bi) - '0'
-}
-
-// Check if the character is ASCII.
-func is_ascii(b []byte, i int) bool {
-	return b[i] <= 0x7F
-}
-
-// Check if the character at the start of the buffer can be printed unescaped.
-func is_printable(b []byte, i int) bool {
-	return ((b[i] == 0x0A) || // . == #x0A
-		(b[i] >= 0x20 && b[i] <= 0x7E) || // #x20 <= . <= #x7E
-		(b[i] == 0xC2 && b[i+1] >= 0xA0) || // #0xA0 <= . <= #xD7FF
-		(b[i] > 0xC2 && b[i] < 0xED) ||
-		(b[i] == 0xED && b[i+1] < 0xA0) ||
-		(b[i] == 0xEE) ||
-		(b[i] == 0xEF && // #xE000 <= . <= #xFFFD
-			!(b[i+1] == 0xBB && b[i+2] == 0xBF) && // && . != #xFEFF
-			!(b[i+1] == 0xBF && (b[i+2] == 0xBE || b[i+2] == 0xBF))))
-}
-
-// Check if the character at the specified position is NUL.
-func is_z(b []byte, i int) bool {
-	return b[i] == 0x00
-}
-
-// Check if the beginning of the buffer is a BOM.
-func is_bom(b []byte, i int) bool {
-	return b[0] == 0xEF && b[1] == 0xBB && b[2] == 0xBF
-}
-
-// Check if the character at the specified position is space.
-func is_space(b []byte, i int) bool {
-	return b[i] == ' '
-}
-
-// Check if the character at the specified position is tab.
-func is_tab(b []byte, i int) bool {
-	return b[i] == '\t'
-}
-
-// Check if the character at the specified position is blank (space or tab).
-func is_blank(b []byte, i int) bool {
-	//return is_space(b, i) || is_tab(b, i)
-	return b[i] == ' ' || b[i] == '\t'
-}
-
-// Check if the character at the specified position is a line break.
-func is_break(b []byte, i int) bool {
-	return (b[i] == '\r' || // CR (#xD)
-		b[i] == '\n' || // LF (#xA)
-		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9) // PS (#x2029)
-}
-
-func is_crlf(b []byte, i int) bool {
-	return b[i] == '\r' && b[i+1] == '\n'
-}
-
-// Check if the character is a line break or NUL.
-func is_breakz(b []byte, i int) bool {
-	//return is_break(b, i) || is_z(b, i)
-	return (        // is_break:
-	b[i] == '\r' || // CR (#xD)
-		b[i] == '\n' || // LF (#xA)
-		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
-		// is_z:
-		b[i] == 0)
-}
-
-// Check if the character is a line break, space, or NUL.
-func is_spacez(b []byte, i int) bool {
-	//return is_space(b, i) || is_breakz(b, i)
-	return ( // is_space:
-	b[i] == ' ' ||
-		// is_breakz:
-		b[i] == '\r' || // CR (#xD)
-		b[i] == '\n' || // LF (#xA)
-		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
-		b[i] == 0)
-}
-
-// Check if the character is a line break, space, tab, or NUL.
-func is_blankz(b []byte, i int) bool {
-	//return is_blank(b, i) || is_breakz(b, i)
-	return ( // is_blank:
-	b[i] == ' ' || b[i] == '\t' ||
-		// is_breakz:
-		b[i] == '\r' || // CR (#xD)
-		b[i] == '\n' || // LF (#xA)
-		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
-		b[i] == 0)
-}
-
-// Determine the width of the character.
-func width(b byte) int {
-	// Don't replace these by a switch without first
-	// confirming that it is being inlined.
-	if b&0x80 == 0x00 {
-		return 1
-	}
-	if b&0xE0 == 0xC0 {
-		return 2
-	}
-	if b&0xF0 == 0xE0 {
-		return 3
-	}
-	if b&0xF8 == 0xF0 {
-		return 4
-	}
-	return 0
-
-}

vendor/vendor.json

@@ -1,31 +0,0 @@
-{
-	"comment": "",
-	"ignore": "test",
-	"package": [
-		{
-			"checksumSHA1": "J6lNRPdrYhKft6S8x33K9brxyhE=",
-			"path": "golang.org/x/crypto/acme",
-			"revision": "c126467f60eb25f8f27e5a981f32a87e3965053f",
-			"revisionTime": "2018-07-23T15:26:11Z"
-		},
-		{
-			"checksumSHA1": "EFjIi/zCZ1Cte0MQtyxGCTgSzk8=",
-			"path": "golang.org/x/crypto/acme/autocert",
-			"revision": "c126467f60eb25f8f27e5a981f32a87e3965053f",
-			"revisionTime": "2018-07-23T15:26:11Z"
-		},
-		{
-			"checksumSHA1": "1MGpGDQqnUoRpv7VEcQrXOBydXE=",
-			"path": "golang.org/x/crypto/pbkdf2",
-			"revision": "c126467f60eb25f8f27e5a981f32a87e3965053f",
-			"revisionTime": "2018-07-23T15:26:11Z"
-		},
-		{
-			"checksumSHA1": "ZSWoOPUNRr5+3dhkLK3C4cZAQPk=",
-			"path": "gopkg.in/yaml.v2",
-			"revision": "5420a8b6744d3b0345ab293f6fcba19c978f1183",
-			"revisionTime": "2018-03-28T19:50:20Z"
-		}
-	],
-	"rootPath": "github.com/astaxie/beego"
-}