merge from upstram + resolve conflicts

.travis.yml

@@ -33,6 +33,8 @@ install:
   - go get github.com/ssdb/gossdb/ssdb
   - go get github.com/cloudflare/golz4
   - go get github.com/gogo/protobuf/proto
+  - go get github.com/Knetic/govaluate
+  - go get github.com/casbin/casbin
   - go get -u honnef.co/go/tools/cmd/gosimple
   - go get -u github.com/mdempsky/unconvert
   - go get -u github.com/gordonklaus/ineffassign

beego.go

@@ -23,7 +23,7 @@ import (
 
 const (
 	// VERSION represent beego web framework version.
-	VERSION = "1.8.2"
+	VERSION = "1.8.3"
 
 	// DEV is for develop
 	DEV = "dev"

cache/conv.go

@@ -28,7 +28,7 @@ func GetString(v interface{}) string {
 		return string(result)
 	default:
 		if v != nil {
-			return fmt.Sprintf("%v", result)
+			return fmt.Sprint(result)
 		}
 	}
 	return ""

context/context.go

@@ -171,6 +171,22 @@ func (ctx *Context) CheckXSRFCookie() bool {
 	return true
 }
 
+// RenderMethodResult renders the return value of a controller method to the output
+func (ctx *Context) RenderMethodResult(result interface{}) {
+	if result != nil {
+		renderer, ok := result.(Renderer)
+		if !ok {
+			err, ok := result.(error)
+			if ok {
+				renderer = errorRenderer(err)
+			} else {
+				renderer = jsonRenderer(result)
+			}
+		}
+		renderer.Render(ctx)
+	}
+}
+
 //Response is a wrapper for the http.ResponseWriter
 //started set to true if response was written to then don't execute other handler
 type Response struct {

context/output.go

@@ -168,6 +168,19 @@ func sanitizeValue(v string) string {
 	return cookieValueSanitizer.Replace(v)
 }
 
+func jsonRenderer(value interface{}) Renderer {
+	return rendererFunc(func(ctx *Context) {
+		ctx.Output.JSON(value, false, false)
+	})
+}
+
+func errorRenderer(err error) Renderer {
+	return rendererFunc(func(ctx *Context) {
+		ctx.Output.SetStatus(500)
+		ctx.WriteString(err.Error())
+	})
+}
+
 // JSON writes json to response body.
 // if coding is true, it converts utf-8 to \u0000 type.
 func (output *BeegoOutput) JSON(data interface{}, hasIndent bool, coding bool) error {
@@ -330,9 +343,8 @@ func (output *BeegoOutput) IsServerError() bool {
 }
 
 func stringsToJSON(str string) string {
-	rs := []rune(str)
 	var jsons bytes.Buffer
-	for _, r := range rs {
+	for _, r := range str {
 		rint := int(r)
 		if rint < 128 {
 			jsons.WriteRune(r)

context/param/conv.go

@@ -0,0 +1,78 @@
+package param
+
+import (
+	"fmt"
+	"reflect"
+
+	beecontext "github.com/astaxie/beego/context"
+	"github.com/astaxie/beego/logs"
+)
+
+// ConvertParams converts http method params to values that will be passed to the method controller as arguments
+func ConvertParams(methodParams []*MethodParam, methodType reflect.Type, ctx *beecontext.Context) (result []reflect.Value) {
+	result = make([]reflect.Value, 0, len(methodParams))
+	for i := 0; i < len(methodParams); i++ {
+		reflectValue := convertParam(methodParams[i], methodType.In(i), ctx)
+		result = append(result, reflectValue)
+	}
+	return
+}
+
+func convertParam(param *MethodParam, paramType reflect.Type, ctx *beecontext.Context) (result reflect.Value) {
+	paramValue := getParamValue(param, ctx)
+	if paramValue == "" {
+		if param.required {
+			ctx.Abort(400, fmt.Sprintf("Missing parameter %s", param.name))
+		} else {
+			paramValue = param.defaultValue
+		}
+	}
+
+	reflectValue, err := parseValue(param, paramValue, paramType)
+	if err != nil {
+		logs.Debug(fmt.Sprintf("Error converting param %s to type %s. Value: %v, Error: %s", param.name, paramType, paramValue, err))
+		ctx.Abort(400, fmt.Sprintf("Invalid parameter %s. Can not convert %v to type %s", param.name, paramValue, paramType))
+	}
+
+	return reflectValue
+}
+
+func getParamValue(param *MethodParam, ctx *beecontext.Context) string {
+	switch param.in {
+	case body:
+		return string(ctx.Input.RequestBody)
+	case header:
+		return ctx.Input.Header(param.name)
+	case path:
+		return ctx.Input.Query(":" + param.name)
+	default:
+		return ctx.Input.Query(param.name)
+	}
+}
+
+func parseValue(param *MethodParam, paramValue string, paramType reflect.Type) (result reflect.Value, err error) {
+	if paramValue == "" {
+		return reflect.Zero(paramType), nil
+	}
+	parser := getParser(param, paramType)
+	value, err := parser.parse(paramValue, paramType)
+	if err != nil {
+		return result, err
+	}
+
+	return safeConvert(reflect.ValueOf(value), paramType)
+}
+
+func safeConvert(value reflect.Value, t reflect.Type) (result reflect.Value, err error) {
+	defer func() {
+		if r := recover(); r != nil {
+			var ok bool
+			err, ok = r.(error)
+			if !ok {
+				err = fmt.Errorf("%v", r)
+			}
+		}
+	}()
+	result = value.Convert(t)
+	return
+}

context/param/methodparams.go

@@ -0,0 +1,69 @@
+package param
+
+import (
+	"fmt"
+	"strings"
+)
+
+//MethodParam keeps param information to be auto passed to controller methods
+type MethodParam struct {
+	name         string
+	in           paramType
+	required     bool
+	defaultValue string
+}
+
+type paramType byte
+
+const (
+	param paramType = iota
+	path
+	body
+	header
+)
+
+//New creates a new MethodParam with name and specific options
+func New(name string, opts ...MethodParamOption) *MethodParam {
+	return newParam(name, nil, opts)
+}
+
+func newParam(name string, parser paramParser, opts []MethodParamOption) (param *MethodParam) {
+	param = &MethodParam{name: name}
+	for _, option := range opts {
+		option(param)
+	}
+	return
+}
+
+//Make creates an array of MethodParmas or an empty array
+func Make(list ...*MethodParam) []*MethodParam {
+	if len(list) > 0 {
+		return list
+	}
+	return nil
+}
+
+func (mp *MethodParam) String() string {
+	options := []string{}
+	result := "param.New(\"" + mp.name + "\""
+	if mp.required {
+		options = append(options, "param.IsRequired")
+	}
+	switch mp.in {
+	case path:
+		options = append(options, "param.InPath")
+	case body:
+		options = append(options, "param.InBody")
+	case header:
+		options = append(options, "param.InHeader")
+	}
+	if mp.defaultValue != "" {
+		options = append(options, fmt.Sprintf(`param.Default("%s")`, mp.defaultValue))
+	}
+	if len(options) > 0 {
+		result += ", "
+	}
+	result += strings.Join(options, ", ")
+	result += ")"
+	return result
+}

context/param/options.go

@@ -0,0 +1,37 @@
+package param
+
+import (
+	"fmt"
+)
+
+// MethodParamOption defines a func which apply options on a MethodParam
+type MethodParamOption func(*MethodParam)
+
+// IsRequired indicates that this param is required and can not be ommited from the http request
+var IsRequired MethodParamOption = func(p *MethodParam) {
+	p.required = true
+}
+
+// InHeader indicates that this param is passed via an http header
+var InHeader MethodParamOption = func(p *MethodParam) {
+	p.in = header
+}
+
+// InPath indicates that this param is part of the URL path
+var InPath MethodParamOption = func(p *MethodParam) {
+	p.in = path
+}
+
+// InBody indicates that this param is passed as an http request body
+var InBody MethodParamOption = func(p *MethodParam) {
+	p.in = body
+}
+
+// Default provides a default value for the http param
+func Default(defaultValue interface{}) MethodParamOption {
+	return func(p *MethodParam) {
+		if defaultValue != nil {
+			p.defaultValue = fmt.Sprint(defaultValue)
+		}
+	}
+}

context/param/parsers.go

@@ -0,0 +1,149 @@
+package param
+
+import (
+	"encoding/json"
+	"reflect"
+	"strconv"
+	"strings"
+	"time"
+)
+
+type paramParser interface {
+	parse(value string, toType reflect.Type) (interface{}, error)
+}
+
+func getParser(param *MethodParam, t reflect.Type) paramParser {
+	switch t.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+		reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		return intParser{}
+	case reflect.Slice:
+		if t.Elem().Kind() == reflect.Uint8 { //treat []byte as string
+			return stringParser{}
+		}
+		if param.in == body {
+			return jsonParser{}
+		}
+		elemParser := getParser(param, t.Elem())
+		if elemParser == (jsonParser{}) {
+			return elemParser
+		}
+		return sliceParser(elemParser)
+	case reflect.Bool:
+		return boolParser{}
+	case reflect.String:
+		return stringParser{}
+	case reflect.Float32, reflect.Float64:
+		return floatParser{}
+	case reflect.Ptr:
+		elemParser := getParser(param, t.Elem())
+		if elemParser == (jsonParser{}) {
+			return elemParser
+		}
+		return ptrParser(elemParser)
+	default:
+		if t.PkgPath() == "time" && t.Name() == "Time" {
+			return timeParser{}
+		}
+		return jsonParser{}
+	}
+}
+
+type parserFunc func(value string, toType reflect.Type) (interface{}, error)
+
+func (f parserFunc) parse(value string, toType reflect.Type) (interface{}, error) {
+	return f(value, toType)
+}
+
+type boolParser struct {
+}
+
+func (p boolParser) parse(value string, toType reflect.Type) (interface{}, error) {
+	return strconv.ParseBool(value)
+}
+
+type stringParser struct {
+}
+
+func (p stringParser) parse(value string, toType reflect.Type) (interface{}, error) {
+	return value, nil
+}
+
+type intParser struct {
+}
+
+func (p intParser) parse(value string, toType reflect.Type) (interface{}, error) {
+	return strconv.Atoi(value)
+}
+
+type floatParser struct {
+}
+
+func (p floatParser) parse(value string, toType reflect.Type) (interface{}, error) {
+	if toType.Kind() == reflect.Float32 {
+		res, err := strconv.ParseFloat(value, 32)
+		if err != nil {
+			return nil, err
+		}
+		return float32(res), nil
+	}
+	return strconv.ParseFloat(value, 64)
+}
+
+type timeParser struct {
+}
+
+func (p timeParser) parse(value string, toType reflect.Type) (result interface{}, err error) {
+	result, err = time.Parse(time.RFC3339, value)
+	if err != nil {
+		result, err = time.Parse("2006-01-02", value)
+	}
+	return
+}
+
+type jsonParser struct {
+}
+
+func (p jsonParser) parse(value string, toType reflect.Type) (interface{}, error) {
+	pResult := reflect.New(toType)
+	v := pResult.Interface()
+	err := json.Unmarshal([]byte(value), v)
+	if err != nil {
+		return nil, err
+	}
+	return pResult.Elem().Interface(), nil
+}
+
+func sliceParser(elemParser paramParser) paramParser {
+	return parserFunc(func(value string, toType reflect.Type) (interface{}, error) {
+		values := strings.Split(value, ",")
+		result := reflect.MakeSlice(toType, 0, len(values))
+		elemType := toType.Elem()
+		for _, v := range values {
+			parsedValue, err := elemParser.parse(v, elemType)
+			if err != nil {
+				return nil, err
+			}
+			result = reflect.Append(result, reflect.ValueOf(parsedValue))
+		}
+		return result.Interface(), nil
+	})
+}
+
+func ptrParser(elemParser paramParser) paramParser {
+	return parserFunc(func(value string, toType reflect.Type) (interface{}, error) {
+		parsedValue, err := elemParser.parse(value, toType.Elem())
+		if err != nil {
+			return nil, err
+		}
+		newValPtr := reflect.New(toType.Elem())
+		newVal := reflect.Indirect(newValPtr)
+		convertedVal, err := safeConvert(reflect.ValueOf(parsedValue), toType.Elem())
+		if err != nil {
+			return nil, err
+		}
+
+		newVal.Set(convertedVal)
+		return newValPtr.Interface(), nil
+	})
+}

context/param/parsers_test.go

@@ -0,0 +1,84 @@
+package param
+
+import "testing"
+import "reflect"
+import "time"
+
+type testDefinition struct {
+	strValue       string
+	expectedValue  interface{}
+	expectedParser paramParser
+}
+
+func Test_Parsers(t *testing.T) {
+
+	//ints
+	checkParser(testDefinition{"1", 1, intParser{}}, t)
+	checkParser(testDefinition{"-1", int64(-1), intParser{}}, t)
+	checkParser(testDefinition{"1", uint64(1), intParser{}}, t)
+
+	//floats
+	checkParser(testDefinition{"1.0", float32(1.0), floatParser{}}, t)
+	checkParser(testDefinition{"-1.0", float64(-1.0), floatParser{}}, t)
+
+	//strings
+	checkParser(testDefinition{"AB", "AB", stringParser{}}, t)
+	checkParser(testDefinition{"AB", []byte{65, 66}, stringParser{}}, t)
+
+	//bools
+	checkParser(testDefinition{"true", true, boolParser{}}, t)
+	checkParser(testDefinition{"0", false, boolParser{}}, t)
+
+	//timeParser
+	checkParser(testDefinition{"2017-05-30T13:54:53Z", time.Date(2017, 5, 30, 13, 54, 53, 0, time.UTC), timeParser{}}, t)
+	checkParser(testDefinition{"2017-05-30", time.Date(2017, 5, 30, 0, 0, 0, 0, time.UTC), timeParser{}}, t)
+
+	//json
+	checkParser(testDefinition{`{"X": 5, "Y":"Z"}`, struct {
+		X int
+		Y string
+	}{5, "Z"}, jsonParser{}}, t)
+
+	//slice in query is parsed as comma delimited
+	checkParser(testDefinition{`1,2`, []int{1, 2}, sliceParser(intParser{})}, t)
+
+	//slice in body is parsed as json
+	checkParser(testDefinition{`["a","b"]`, []string{"a", "b"}, jsonParser{}}, t, MethodParam{in: body})
+
+	//pointers
+	var someInt = 1
+	checkParser(testDefinition{`1`, &someInt, ptrParser(intParser{})}, t)
+
+	var someStruct = struct{ X int }{5}
+	checkParser(testDefinition{`{"X": 5}`, &someStruct, jsonParser{}}, t)
+
+}
+
+func checkParser(def testDefinition, t *testing.T, methodParam ...MethodParam) {
+	toType := reflect.TypeOf(def.expectedValue)
+	var mp MethodParam
+	if len(methodParam) == 0 {
+		mp = MethodParam{}
+	} else {
+		mp = methodParam[0]
+	}
+	parser := getParser(&mp, toType)
+
+	if reflect.TypeOf(parser) != reflect.TypeOf(def.expectedParser) {
+		t.Errorf("Invalid parser for value %v. Expected: %v, actual: %v", def.strValue, reflect.TypeOf(def.expectedParser).Name(), reflect.TypeOf(parser).Name())
+		return
+	}
+	result, err := parser.parse(def.strValue, toType)
+	if err != nil {
+		t.Errorf("Parsing error for value %v. Expected result: %v, error: %v", def.strValue, def.expectedValue, err)
+		return
+	}
+	convResult, err := safeConvert(reflect.ValueOf(result), toType)
+	if err != nil {
+		t.Errorf("Convertion error for %v. from value: %v, toType: %v, error: %v", def.strValue, result, toType, err)
+		return
+	}
+	if !reflect.DeepEqual(convResult.Interface(), def.expectedValue) {
+		t.Errorf("Parsing error for value %v. Expected result: %v, actual: %v", def.strValue, def.expectedValue, result)
+	}
+}

context/renderer.go

@@ -0,0 +1,12 @@
+package context
+
+// Renderer defines an http response renderer
+type Renderer interface {
+	Render(ctx *Context)
+}
+
+type rendererFunc func(ctx *Context)
+
+func (f rendererFunc) Render(ctx *Context) {
+	f(ctx)
+}

context/response.go

@@ -0,0 +1,27 @@
+package context
+
+import (
+	"strconv"
+
+	"net/http"
+)
+
+const (
+	//BadRequest indicates http error 400
+	BadRequest StatusCode = http.StatusBadRequest
+
+	//NotFound indicates http error 404
+	NotFound StatusCode = http.StatusNotFound
+)
+
+// StatusCode sets the http response status code
+type StatusCode int
+
+func (s StatusCode) Error() string {
+	return strconv.Itoa(int(s))
+}
+
+// Render sets the http status code
+func (s StatusCode) Render(ctx *Context) {
+	ctx.Output.SetStatus(int(s))
+}

controller.go

@@ -28,6 +28,7 @@ import (
 	"strings"
 
 	"github.com/astaxie/beego/context"
+	"github.com/astaxie/beego/context/param"
 	"github.com/astaxie/beego/session"
 )
 
@@ -51,6 +52,7 @@ type ControllerComments struct {
 	Router           string
 	AllowHTTPMethods []string
 	Params           []map[string]string
+	MethodParams     []*param.MethodParam
 }
 
 // Controller defines some basic http request handler operations, such as

error.go

@@ -252,6 +252,30 @@ func forbidden(rw http.ResponseWriter, r *http.Request) {
 	)
 }
 
+// show 422 missing xsrf token
+func missingxsrf(rw http.ResponseWriter, r *http.Request) {
+	responseError(rw, r,
+		422,
+		"<br>The page you have requested is forbidden."+
+			"<br>Perhaps you are here because:"+
+			"<br><br><ul>"+
+			"<br>'_xsrf' argument missing from POST"+
+			"</ul>",
+	)
+}
+
+// show 417 invalid xsrf token
+func invalidxsrf(rw http.ResponseWriter, r *http.Request) {
+	responseError(rw, r,
+		417,
+		"<br>The page you have requested is forbidden."+
+			"<br>Perhaps you are here because:"+
+			"<br><br><ul>"+
+			"<br>expected XSRF not found"+
+			"</ul>",
+	)
+}
+
 // show 404 not found error.
 func notFound(rw http.ResponseWriter, r *http.Request) {
 	responseError(rw, r,

hooks.go

@@ -32,6 +32,8 @@ func registerDefaultErrorHandler() error {
 		"502": badGateway,
 		"503": serviceUnavailable,
 		"504": gatewayTimeout,
+		"417": invalidxsrf,
+		"422": missingxsrf,
 	}
 	for e, h := range m {
 		if _, ok := ErrorMaps[e]; !ok {

orm/models_boot.go

@@ -75,7 +75,7 @@ func registerModel(PrefixOrSuffix string, model interface{}, isPrefix bool) {
 		}
 
 		if mi.fields.pk == nil {
-			fmt.Printf("<orm.RegisterModel> `%s` need a primary key field, default use 'id' if not set\n", name)
+			fmt.Printf("<orm.RegisterModel> `%s` needs a primary key field, default is to use 'id' if not set\n", name)
 			os.Exit(2)
 		}
 

orm/orm.go

@@ -107,7 +107,7 @@ func (o *orm) getMiInd(md interface{}, needPtr bool) (mi *modelInfo, ind reflect
 	if mi, ok := modelCache.getByFullName(name); ok {
 		return mi, ind
 	}
-	panic(fmt.Errorf("<Ormer> table: `%s` not found, maybe not RegisterModel", name))
+	panic(fmt.Errorf("<Ormer> table: `%s` not found, make sure it was registered with `RegisterModel()`", name))
 }
 
 // get field info from model info by given field name

orm/orm_raw.go

@@ -493,19 +493,33 @@ func (o *rawSet) QueryRows(containers ...interface{}) (int64, error) {
 					}
 				}
 			} else {
-				for i := 0; i < ind.NumField(); i++ {
+				// define recursive function
-					f := ind.Field(i)
+				var recursiveSetField func(rv reflect.Value)
-					fe := ind.Type().Field(i)
+				recursiveSetField = func(rv reflect.Value) {
-					_, tags := parseStructTag(fe.Tag.Get(defaultStructTagName))
+					for i := 0; i < rv.NumField(); i++ {
-					var col string
+						f := rv.Field(i)
-					if col = tags["column"]; col == "" {
+						fe := rv.Type().Field(i)
-						col = snakeString(fe.Name)
+
-					}
+						// check if the field is a Struct
-					if v, ok := columnsMp[col]; ok {
+						// recursive the Struct type
-						value := reflect.ValueOf(v).Elem().Interface()
+						if fe.Type.Kind() == reflect.Struct {
-						o.setFieldValue(f, value)
+							recursiveSetField(f)
+						}
+
+						_, tags := parseStructTag(fe.Tag.Get(defaultStructTagName))
+						var col string
+						if col = tags["column"]; col == "" {
+							col = snakeString(fe.Name)
+						}
+						if v, ok := columnsMp[col]; ok {
+							value := reflect.ValueOf(v).Elem().Interface()
+							o.setFieldValue(f, value)
+						}
 					}
 				}
+
+				// init call the recursive function
+				recursiveSetField(ind)
 			}
 
 			if eTyps[0].Kind() == reflect.Ptr {

orm/orm_test.go

@@ -1661,6 +1661,13 @@ func TestRawQueryRow(t *testing.T) {
 	throwFail(t, AssertIs(pid, nil))
 }
 
+// user_profile table
+type userProfile struct {
+	User
+	Age   int
+	Money float64
+}
+
 func TestQueryRows(t *testing.T) {
 	Q := dDbBaser.TableQuote()
 
@@ -1731,6 +1738,19 @@ func TestQueryRows(t *testing.T) {
 	throwFailNow(t, AssertIs(usernames[1], "astaxie"))
 	throwFailNow(t, AssertIs(ids[2], 4))
 	throwFailNow(t, AssertIs(usernames[2], "nobody"))
+
+	//test query rows by nested struct
+	var l []userProfile
+	query = fmt.Sprintf("SELECT * FROM %suser_profile%s LEFT JOIN %suser%s ON %suser_profile%s.%sid%s = %suser%s.%sid%s", Q, Q, Q, Q, Q, Q, Q, Q, Q, Q, Q, Q)
+	num, err = dORM.Raw(query).QueryRows(&l)
+	throwFailNow(t, err)
+	throwFailNow(t, AssertIs(num, 2))
+	throwFailNow(t, AssertIs(len(l), 2))
+	throwFailNow(t, AssertIs(l[0].UserName, "slene"))
+	throwFailNow(t, AssertIs(l[0].Age, 28))
+	throwFailNow(t, AssertIs(l[1].UserName, "astaxie"))
+	throwFailNow(t, AssertIs(l[1].Age, 30))
+
 }
 
 func TestRawValues(t *testing.T) {

parser.go

@@ -24,9 +24,13 @@ import (
 	"io/ioutil"
 	"os"
 	"path/filepath"
+	"regexp"
 	"sort"
+	"strconv"
 	"strings"
+	"unicode"
 
+	"github.com/astaxie/beego/context/param"
 	"github.com/astaxie/beego/logs"
 	"github.com/astaxie/beego/utils"
 )
@@ -35,6 +39,7 @@ var globalRouterTemplate = `package routers
 
 import (
 	"github.com/astaxie/beego"
+	"github.com/astaxie/beego/context/param"
 )
 
 func init() {
@@ -81,7 +86,7 @@ func parserPkg(pkgRealpath, pkgpath string) error {
 					if specDecl.Recv != nil {
 						exp, ok := specDecl.Recv.List[0].Type.(*ast.StarExpr) // Check that the type is correct first beforing throwing to parser
 						if ok {
-							parserComments(specDecl.Doc, specDecl.Name.String(), fmt.Sprint(exp.X), pkgpath)
+							parserComments(specDecl, fmt.Sprint(exp.X), pkgpath)
 						}
 					}
 				}
@@ -93,44 +98,169 @@ func parserPkg(pkgRealpath, pkgpath string) error {
 	return nil
 }
 
-func parserComments(comments *ast.CommentGroup, funcName, controllerName, pkgpath string) error {
+type parsedComment struct {
-	if comments != nil && comments.List != nil {
+	routerPath string
-		for _, c := range comments.List {
+	methods    []string
-			t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
+	params     map[string]parsedParam
-			if strings.HasPrefix(t, "@router") {
+}
-				elements := strings.TrimLeft(t, "@router ")
+
-				e1 := strings.SplitN(elements, " ", 2)
+type parsedParam struct {
-				if len(e1) < 1 {
+	name     string
-					return errors.New("you should has router information")
+	datatype string
-				}
+	location string
-				key := pkgpath + ":" + controllerName
+	defValue string
-				cc := ControllerComments{}
+	required bool
-				cc.Method = funcName
+}
-				cc.Router = e1[0]
+
-				if len(e1) == 2 && e1[1] != "" {
+func parserComments(f *ast.FuncDecl, controllerName, pkgpath string) error {
-					e1 = strings.SplitN(e1[1], " ", 2)
+	if f.Doc != nil {
-					if len(e1) >= 1 {
+		parsedComment, err := parseComment(f.Doc.List)
-						cc.AllowHTTPMethods = strings.Split(strings.Trim(e1[0], "[]"), ",")
+		if err != nil {
-					} else {
+			return err
-						cc.AllowHTTPMethods = append(cc.AllowHTTPMethods, "get")
-					}
-				} else {
-					cc.AllowHTTPMethods = append(cc.AllowHTTPMethods, "get")
-				}
-				if len(e1) == 2 && e1[1] != "" {
-					keyval := strings.Split(strings.Trim(e1[1], "[]"), " ")
-					for _, kv := range keyval {
-						kk := strings.Split(kv, ":")
-						cc.Params = append(cc.Params, map[string]string{strings.Join(kk[:len(kk)-1], ":"): kk[len(kk)-1]})
-					}
-				}
-				genInfoList[key] = append(genInfoList[key], cc)
-			}
 		}
+		if parsedComment.routerPath != "" {
+			key := pkgpath + ":" + controllerName
+			cc := ControllerComments{}
+			cc.Method = f.Name.String()
+			cc.Router = parsedComment.routerPath
+			cc.AllowHTTPMethods = parsedComment.methods
+			cc.MethodParams = buildMethodParams(f.Type.Params.List, parsedComment)
+			genInfoList[key] = append(genInfoList[key], cc)
+		}
+
 	}
 	return nil
 }
 
+func buildMethodParams(funcParams []*ast.Field, pc *parsedComment) []*param.MethodParam {
+	result := make([]*param.MethodParam, 0, len(funcParams))
+	for _, fparam := range funcParams {
+		methodParam := buildMethodParam(fparam, pc)
+		result = append(result, methodParam)
+	}
+	return result
+}
+
+func buildMethodParam(fparam *ast.Field, pc *parsedComment) *param.MethodParam {
+	options := []param.MethodParamOption{}
+	name := fparam.Names[0].Name
+	if cparam, ok := pc.params[name]; ok {
+		//Build param from comment info
+		name = cparam.name
+		if cparam.required {
+			options = append(options, param.IsRequired)
+		}
+		switch cparam.location {
+		case "body":
+			options = append(options, param.InBody)
+		case "header":
+			options = append(options, param.InHeader)
+		case "path":
+			options = append(options, param.InPath)
+		}
+		if cparam.defValue != "" {
+			options = append(options, param.Default(cparam.defValue))
+		}
+	} else {
+		if paramInPath(name, pc.routerPath) {
+			options = append(options, param.InPath)
+		}
+	}
+	return param.New(name, options...)
+}
+
+func paramInPath(name, route string) bool {
+	return strings.HasSuffix(route, ":"+name) ||
+		strings.Contains(route, ":"+name+"/")
+}
+
+var routeRegex = regexp.MustCompile(`@router\s+(\S+)(?:\s+\[(\S+)\])?`)
+
+func parseComment(lines []*ast.Comment) (pc *parsedComment, err error) {
+	pc = &parsedComment{}
+	for _, c := range lines {
+		t := strings.TrimSpace(strings.TrimLeft(c.Text, "//"))
+		if strings.HasPrefix(t, "@router") {
+			matches := routeRegex.FindStringSubmatch(t)
+			if len(matches) == 3 {
+				pc.routerPath = matches[1]
+				methods := matches[2]
+				if methods == "" {
+					pc.methods = []string{"get"}
+					//pc.hasGet = true
+				} else {
+					pc.methods = strings.Split(methods, ",")
+					//pc.hasGet = strings.Contains(methods, "get")
+				}
+			} else {
+				return nil, errors.New("Router information is missing")
+			}
+		} else if strings.HasPrefix(t, "@Param") {
+			pv := getparams(strings.TrimSpace(strings.TrimLeft(t, "@Param")))
+			if len(pv) < 4 {
+				logs.Error("Invalid @Param format. Needs at least 4 parameters")
+			}
+			p := parsedParam{}
+			names := strings.SplitN(pv[0], "=>", 2)
+			p.name = names[0]
+			funcParamName := p.name
+			if len(names) > 1 {
+				funcParamName = names[1]
+			}
+			p.location = pv[1]
+			p.datatype = pv[2]
+			switch len(pv) {
+			case 5:
+				p.required, _ = strconv.ParseBool(pv[3])
+			case 6:
+				p.defValue = pv[3]
+				p.required, _ = strconv.ParseBool(pv[4])
+			}
+			if pc.params == nil {
+				pc.params = map[string]parsedParam{}
+			}
+			pc.params[funcParamName] = p
+		}
+	}
+	return
+}
+
+// direct copy from bee\g_docs.go
+// analisys params return []string
+// @Param	query		form	 string	true		"The email for login"
+// [query form string true "The email for login"]
+func getparams(str string) []string {
+	var s []rune
+	var j int
+	var start bool
+	var r []string
+	var quoted int8
+	for _, c := range str {
+		if unicode.IsSpace(c) && quoted == 0 {
+			if !start {
+				continue
+			} else {
+				start = false
+				j++
+				r = append(r, string(s))
+				s = make([]rune, 0)
+				continue
+			}
+		}
+
+		start = true
+		if c == '"' {
+			quoted ^= 1
+			continue
+		}
+		s = append(s, c)
+	}
+	if len(s) > 0 {
+		r = append(r, string(s))
+	}
+	return r
+}
+
 func genRouterCode(pkgRealpath string) {
 	os.Mkdir(getRouterDir(pkgRealpath), 0755)
 	logs.Info("generate router from comments")
@@ -163,12 +293,24 @@ func genRouterCode(pkgRealpath string) {
 				}
 				params = strings.TrimRight(params, ",") + "}"
 			}
+			methodParams := "param.Make("
+			if len(c.MethodParams) > 0 {
+				lines := make([]string, 0, len(c.MethodParams))
+				for _, m := range c.MethodParams {
+					lines = append(lines, fmt.Sprint(m))
+				}
+				methodParams += "\n				" +
+					strings.Join(lines, ",\n				") +
+					",\n			"
+			}
+			methodParams += ")"
 			globalinfo = globalinfo + `
 	beego.GlobalControllerRouter["` + k + `"] = append(beego.GlobalControllerRouter["` + k + `"],
 		beego.ControllerComments{
 			Method: "` + strings.TrimSpace(c.Method) + `",
 			` + "Router: `" + c.Router + "`" + `,
 			AllowHTTPMethods: ` + allmethod + `,
+			MethodParams: ` + methodParams + `,
 			Params: ` + params + `})
 `
 		}

plugins/authz/authz.go

@@ -0,0 +1,86 @@
+// Copyright 2014 beego Author. 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.
+
+// Package authz provides handlers to enable ACL, RBAC, ABAC authorization support.
+// Simple Usage:
+//	import(
+//		"github.com/astaxie/beego"
+//		"github.com/astaxie/beego/plugins/authz"
+//		"github.com/casbin/casbin"
+//	)
+//
+//	func main(){
+//		// mediate the access for every request
+//		beego.InsertFilter("*", beego.BeforeRouter, authz.NewAuthorizer(casbin.NewEnforcer("authz_model.conf", "authz_policy.csv")))
+//		beego.Run()
+//	}
+//
+//
+// Advanced Usage:
+//
+//	func main(){
+//		e := casbin.NewEnforcer("authz_model.conf", "")
+//		e.AddRoleForUser("alice", "admin")
+//		e.AddPolicy(...)
+//
+//		beego.InsertFilter("*", beego.BeforeRouter, authz.NewAuthorizer(e))
+//		beego.Run()
+//	}
+package authz
+
+import (
+	"github.com/astaxie/beego"
+	"github.com/astaxie/beego/context"
+	"github.com/casbin/casbin"
+	"net/http"
+)
+
+// NewAuthorizer returns the authorizer.
+// Use a casbin enforcer as input
+func NewAuthorizer(e *casbin.Enforcer) beego.FilterFunc {
+	return func(ctx *context.Context) {
+		a := &BasicAuthorizer{enforcer: e}
+
+		if !a.CheckPermission(ctx.Request) {
+			a.RequirePermission(ctx.ResponseWriter)
+		}
+	}
+}
+
+// BasicAuthorizer stores the casbin handler
+type BasicAuthorizer struct {
+	enforcer *casbin.Enforcer
+}
+
+// GetUserName gets the user name from the request.
+// Currently, only HTTP basic authentication is supported
+func (a *BasicAuthorizer) GetUserName(r *http.Request) string {
+	username, _, _ := r.BasicAuth()
+	return username
+}
+
+// CheckPermission checks the user/method/path combination from the request.
+// Returns true (permission granted) or false (permission forbidden)
+func (a *BasicAuthorizer) CheckPermission(r *http.Request) bool {
+	user := a.GetUserName(r)
+	method := r.Method
+	path := r.URL.Path
+	return a.enforcer.Enforce(user, path, method)
+}
+
+// RequirePermission returns the 403 Forbidden to the client
+func (a *BasicAuthorizer) RequirePermission(w http.ResponseWriter) {
+	w.WriteHeader(403)
+	w.Write([]byte("403 Forbidden\n"))
+}

plugins/authz/authz_model.conf

@@ -0,0 +1,14 @@
+[request_definition]
+r = sub, obj, act
+
+[policy_definition]
+p = sub, obj, act
+
+[role_definition]
+g = _, _
+
+[policy_effect]
+e = some(where (p.eft == allow))
+
+[matchers]
+m = g(r.sub, p.sub) && keyMatch(r.obj, p.obj) && (r.act == p.act || p.act == "*")

plugins/authz/authz_policy.csv

@@ -0,0 +1,7 @@
+p, alice, /dataset1/*, GET
+p, alice, /dataset1/resource1, POST
+p, bob, /dataset2/resource1, *
+p, bob, /dataset2/resource2, GET
+p, bob, /dataset2/folder1/*, POST
+p, dataset1_admin, /dataset1/*, *
+g, cathy, dataset1_admin

plugins/authz/authz_test.go

@@ -0,0 +1,107 @@
+// Copyright 2014 beego Author. 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.
+
+package authz
+
+import (
+	"github.com/astaxie/beego"
+	"github.com/astaxie/beego/context"
+	"github.com/astaxie/beego/plugins/auth"
+	"github.com/casbin/casbin"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func testRequest(t *testing.T, handler *beego.ControllerRegister, user string, path string, method string, code int) {
+	r, _ := http.NewRequest(method, path, nil)
+	r.SetBasicAuth(user, "123")
+	w := httptest.NewRecorder()
+	handler.ServeHTTP(w, r)
+
+	if w.Code != code {
+		t.Errorf("%s, %s, %s: %d, supposed to be %d", user, path, method, w.Code, code)
+	}
+}
+
+func TestBasic(t *testing.T) {
+	handler := beego.NewControllerRegister()
+
+	handler.InsertFilter("*", beego.BeforeRouter, auth.Basic("alice", "123"))
+	handler.InsertFilter("*", beego.BeforeRouter, NewAuthorizer(casbin.NewEnforcer("authz_model.conf", "authz_policy.csv")))
+
+	handler.Any("*", func(ctx *context.Context) {
+		ctx.Output.SetStatus(200)
+	})
+
+	testRequest(t, handler, "alice", "/dataset1/resource1", "GET", 200)
+	testRequest(t, handler, "alice", "/dataset1/resource1", "POST", 200)
+	testRequest(t, handler, "alice", "/dataset1/resource2", "GET", 200)
+	testRequest(t, handler, "alice", "/dataset1/resource2", "POST", 403)
+}
+
+func TestPathWildcard(t *testing.T) {
+	handler := beego.NewControllerRegister()
+
+	handler.InsertFilter("*", beego.BeforeRouter, auth.Basic("bob", "123"))
+	handler.InsertFilter("*", beego.BeforeRouter, NewAuthorizer(casbin.NewEnforcer("authz_model.conf", "authz_policy.csv")))
+
+	handler.Any("*", func(ctx *context.Context) {
+		ctx.Output.SetStatus(200)
+	})
+
+	testRequest(t, handler, "bob", "/dataset2/resource1", "GET", 200)
+	testRequest(t, handler, "bob", "/dataset2/resource1", "POST", 200)
+	testRequest(t, handler, "bob", "/dataset2/resource1", "DELETE", 200)
+	testRequest(t, handler, "bob", "/dataset2/resource2", "GET", 200)
+	testRequest(t, handler, "bob", "/dataset2/resource2", "POST", 403)
+	testRequest(t, handler, "bob", "/dataset2/resource2", "DELETE", 403)
+
+	testRequest(t, handler, "bob", "/dataset2/folder1/item1", "GET", 403)
+	testRequest(t, handler, "bob", "/dataset2/folder1/item1", "POST", 200)
+	testRequest(t, handler, "bob", "/dataset2/folder1/item1", "DELETE", 403)
+	testRequest(t, handler, "bob", "/dataset2/folder1/item2", "GET", 403)
+	testRequest(t, handler, "bob", "/dataset2/folder1/item2", "POST", 200)
+	testRequest(t, handler, "bob", "/dataset2/folder1/item2", "DELETE", 403)
+}
+
+func TestRBAC(t *testing.T) {
+	handler := beego.NewControllerRegister()
+
+	handler.InsertFilter("*", beego.BeforeRouter, auth.Basic("cathy", "123"))
+	e := casbin.NewEnforcer("authz_model.conf", "authz_policy.csv")
+	handler.InsertFilter("*", beego.BeforeRouter, NewAuthorizer(e))
+
+	handler.Any("*", func(ctx *context.Context) {
+		ctx.Output.SetStatus(200)
+	})
+
+	// cathy can access all /dataset1/* resources via all methods because it has the dataset1_admin role.
+	testRequest(t, handler, "cathy", "/dataset1/item", "GET", 200)
+	testRequest(t, handler, "cathy", "/dataset1/item", "POST", 200)
+	testRequest(t, handler, "cathy", "/dataset1/item", "DELETE", 200)
+	testRequest(t, handler, "cathy", "/dataset2/item", "GET", 403)
+	testRequest(t, handler, "cathy", "/dataset2/item", "POST", 403)
+	testRequest(t, handler, "cathy", "/dataset2/item", "DELETE", 403)
+
+	// delete all roles on user cathy, so cathy cannot access any resources now.
+	e.DeleteRolesForUser("cathy")
+
+	testRequest(t, handler, "cathy", "/dataset1/item", "GET", 403)
+	testRequest(t, handler, "cathy", "/dataset1/item", "POST", 403)
+	testRequest(t, handler, "cathy", "/dataset1/item", "DELETE", 403)
+	testRequest(t, handler, "cathy", "/dataset2/item", "GET", 403)
+	testRequest(t, handler, "cathy", "/dataset2/item", "POST", 403)
+	testRequest(t, handler, "cathy", "/dataset2/item", "DELETE", 403)
+}

router.go

@@ -27,6 +27,7 @@ import (
 	"time"
 
 	beecontext "github.com/astaxie/beego/context"
+	"github.com/astaxie/beego/context/param"
 	"github.com/astaxie/beego/logs"
 	"github.com/astaxie/beego/toolbox"
 	"github.com/astaxie/beego/utils"
@@ -117,6 +118,7 @@ type ControllerInfo struct {
 	runFunction    FilterFunc
 	routerType     int
 	initialize     func() ControllerInterface
+	methodParams   []*param.MethodParam
 }
 
 // ControllerRegister containers registered router rules, controller handlers and filters.
@@ -152,6 +154,10 @@ func NewControllerRegister() *ControllerRegister {
 //	Add("/api",&RestController{},"get,post:ApiFunc"
 //	Add("/simple",&SimpleController{},"get:GetFunc;post:PostFunc")
 func (p *ControllerRegister) Add(pattern string, c ControllerInterface, mappingMethods ...string) {
+	p.addWithMethodParams(pattern, c, nil, mappingMethods...)
+}
+
+func (p *ControllerRegister) addWithMethodParams(pattern string, c ControllerInterface, methodParams []*param.MethodParam, mappingMethods ...string) {
 	reflectVal := reflect.ValueOf(c)
 	t := reflect.Indirect(reflectVal).Type()
 	methods := make(map[string]string)
@@ -203,6 +209,7 @@ func (p *ControllerRegister) Add(pattern string, c ControllerInterface, mappingM
 		return execController
 	}
 
+	route.methodParams = methodParams
 	if len(methods) == 0 {
 		for _, m := range HTTPMETHOD {
 			p.addToRouter(m, pattern, route)
@@ -267,7 +274,7 @@ func (p *ControllerRegister) Include(cList ...ControllerInterface) {
 		key := t.PkgPath() + ":" + t.Name()
 		if comm, ok := GlobalControllerRouter[key]; ok {
 			for _, a := range comm {
-				p.Add(a.Router, c, strings.Join(a.AllowHTTPMethods, ",")+":"+a.Method)
+				p.addWithMethodParams(a.Router, c, a.MethodParams, strings.Join(a.AllowHTTPMethods, ",")+":"+a.Method)
 			}
 		}
 	}
@@ -646,11 +653,12 @@ func (p *ControllerRegister) execFilter(context *beecontext.Context, urlPath str
 func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
 	startTime := time.Now()
 	var (
-		runRouter  reflect.Type
+		runRouter    reflect.Type
-		findRouter bool
+		findRouter   bool
-		runMethod  string
+		runMethod    string
-		routerInfo *ControllerInfo
+		methodParams []*param.MethodParam
-		isRunnable bool
+		routerInfo   *ControllerInfo
+		isRunnable   bool
 	)
 	context := p.pool.Get().(*beecontext.Context)
 	context.Reset(rw, r)
@@ -762,6 +770,7 @@ func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 			routerInfo.handler.ServeHTTP(rw, r)
 		} else {
 			runRouter = routerInfo.controllerType
+			methodParams = routerInfo.methodParams
 			method := r.Method
 			if r.Method == http.MethodPost && context.Input.Query("_method") == http.MethodPost {
 				method = http.MethodPut
@@ -782,7 +791,17 @@ func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 	// also defined runRouter & runMethod from filter
 	if !isRunnable {
 		//Invoke the request handler
-		var execController ControllerInterface = routerInfo.initialize()
+		var execController ControllerInterface
+		if routerInfo.initialize != nil {
+			execController = routerInfo.initialize()
+		} else {
+			vc := reflect.New(runRouter)
+			var ok bool
+			execController, ok = vc.Interface().(ControllerInterface)
+			if !ok {
+				panic("controller is not ControllerInterface")
+			}
+		}
 
 		//call the controller init function
 		execController.Init(context, runRouter.Name(), runMethod, execController)
@@ -820,10 +839,15 @@ func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 				execController.Options()
 			default:
 				if !execController.HandlerFunc(runMethod) {
-					var in []reflect.Value
 					vc := reflect.ValueOf(execController)
 					method := vc.MethodByName(runMethod)
-					method.Call(in)
+					in := param.ConvertParams(methodParams, method.Type(), context)
+					out := method.Call(in)
+
+					//For backward compatibility we only handle response if we had incoming methodParams
+					if methodParams != nil {
+						p.handleParamResponse(context, execController, out)
+					}
 				}
 			}
 
@@ -903,6 +927,20 @@ Admin:
 	}
 }
 
+func (p *ControllerRegister) handleParamResponse(context *beecontext.Context, execController ControllerInterface, results []reflect.Value) {
+	//looping in reverse order for the case when both error and value are returned and error sets the response status code
+	for i := len(results) - 1; i >= 0; i-- {
+		result := results[i]
+		if result.Kind() != reflect.Interface || !result.IsNil() {
+			resultValue := result.Interface()
+			context.RenderMethodResult(resultValue)
+		}
+	}
+	if !context.ResponseWriter.Started && context.Output.Status == 0 {
+		context.Output.SetStatus(200)
+	}
+}
+
 // FindRouter Find Router info for URL
 func (p *ControllerRegister) FindRouter(context *beecontext.Context) (routerInfo *ControllerInfo, isFind bool) {
 	var urlPath = context.Input.URL()

templatefunc.go

@@ -27,9 +27,10 @@ import (
 )
 
 const (
-	formatTime     = "15:04:05"
+	formatTime      = "15:04:05"
-	formatDate     = "2006-01-02"
+	formatDate      = "2006-01-02"
-	formatDateTime = "2006-01-02 15:04:05"
+	formatDateTime  = "2006-01-02 15:04:05"
+	formatDateTimeT = "2006-01-02T15:04:05"
 )
 
 // Substr returns the substr from start to length.
@@ -53,21 +54,21 @@ func Substr(s string, start, length int) string {
 // HTML2str returns escaping text convert from html.
 func HTML2str(html string) string {
 
-	re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")
+	re, _ := regexp.Compile(`\<[\S\s]+?\>`)
 	html = re.ReplaceAllStringFunc(html, strings.ToLower)
 
 	//remove STYLE
-	re, _ = regexp.Compile("\\<style[\\S\\s]+?\\</style\\>")
+	re, _ = regexp.Compile(`\<style[\S\s]+?\</style\>`)
 	html = re.ReplaceAllString(html, "")
 
 	//remove SCRIPT
-	re, _ = regexp.Compile("\\<script[\\S\\s]+?\\</script\\>")
+	re, _ = regexp.Compile(`\<script[\S\s]+?\</script\>`)
 	html = re.ReplaceAllString(html, "")
 
-	re, _ = regexp.Compile("\\<[\\S\\s]+?\\>")
+	re, _ = regexp.Compile(`\<[\S\s]+?\>`)
 	html = re.ReplaceAllString(html, "\n")
 
-	re, _ = regexp.Compile("\\s{2,}")
+	re, _ = regexp.Compile(`\s{2,}`)
 	html = re.ReplaceAllString(html, "\n")
 
 	return strings.TrimSpace(html)
@@ -360,8 +361,13 @@ func parseFormToStruct(form url.Values, objT reflect.Type, objV reflect.Value) e
 					value = value[:25]
 					t, err = time.ParseInLocation(time.RFC3339, value, time.Local)
 				} else if len(value) >= 19 {
-					value = value[:19]
+					if strings.Contains(value, "T") {
-					t, err = time.ParseInLocation(formatDateTime, value, time.Local)
+						value = value[:19]
+						t, err = time.ParseInLocation(formatDateTimeT, value, time.Local)
+					} else {
+						value = value[:19]
+						t, err = time.ParseInLocation(formatDateTime, value, time.Local)
+					}
 				} else if len(value) >= 10 {
 					if len(value) > 10 {
 						value = value[:10]
@@ -373,7 +379,6 @@ func parseFormToStruct(form url.Values, objT reflect.Type, objV reflect.Value) e
 					}
 					t, err = time.ParseInLocation(formatTime, value, time.Local)
 				}
-
 				if err != nil {
 					return err
 				}

validation/validation_test.go

@@ -35,6 +35,12 @@ func TestRequired(t *testing.T) {
 	if valid.Required("", "string").Ok {
 		t.Error("\"'\" string should be false")
 	}
+	if valid.Required(" ", "string").Ok {
+		t.Error("\" \" string should be false") // For #2361
+	}
+	if valid.Required("\n", "string").Ok {
+		t.Error("new line string should be false") // For #2361
+	}
 	if !valid.Required("astaxie", "string").Ok {
 		t.Error("string should be true")
 	}
@@ -175,10 +181,10 @@ func TestAlphaNumeric(t *testing.T) {
 func TestMatch(t *testing.T) {
 	valid := Validation{}
 
-	if valid.Match("suchuangji@gmail", regexp.MustCompile("^\\w+@\\w+\\.\\w+$"), "match").Ok {
+	if valid.Match("suchuangji@gmail", regexp.MustCompile(`^\w+@\w+\.\w+$`), "match").Ok {
 		t.Error("\"suchuangji@gmail\" match \"^\\w+@\\w+\\.\\w+$\"  should be false")
 	}
-	if !valid.Match("suchuangji@gmail.com", regexp.MustCompile("^\\w+@\\w+\\.\\w+$"), "match").Ok {
+	if !valid.Match("suchuangji@gmail.com", regexp.MustCompile(`^\w+@\w+\.\w+$`), "match").Ok {
 		t.Error("\"suchuangji@gmail\" match \"^\\w+@\\w+\\.\\w+$\"  should be true")
 	}
 }
@@ -186,10 +192,10 @@ func TestMatch(t *testing.T) {
 func TestNoMatch(t *testing.T) {
 	valid := Validation{}
 
-	if valid.NoMatch("123@gmail", regexp.MustCompile("[^\\w\\d]"), "nomatch").Ok {
+	if valid.NoMatch("123@gmail", regexp.MustCompile(`[^\w\d]`), "nomatch").Ok {
 		t.Error("\"123@gmail\" not match \"[^\\w\\d]\"  should be false")
 	}
-	if !valid.NoMatch("123gmail", regexp.MustCompile("[^\\w\\d]"), "match").Ok {
+	if !valid.NoMatch("123gmail", regexp.MustCompile(`[^\w\d]`), "match").Ok {
 		t.Error("\"123@gmail\" not match \"[^\\w\\d@]\"  should be true")
 	}
 }

validation/validators.go

@@ -18,6 +18,7 @@ import (
 	"fmt"
 	"reflect"
 	"regexp"
+	"strings"
 	"time"
 	"unicode/utf8"
 )
@@ -98,7 +99,7 @@ func (r Required) IsSatisfied(obj interface{}) bool {
 	}
 
 	if str, ok := obj.(string); ok {
-		return len(str) > 0
+		return len(strings.TrimSpace(str)) > 0
 	}
 	if _, ok := obj.(bool); ok {
 		return true
@@ -145,7 +146,7 @@ func (r Required) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default error message
 func (r Required) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Required"])
+	return MessageTmpls["Required"]
 }
 
 // GetKey return the r.Key
@@ -364,7 +365,7 @@ func (a Alpha) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default Length error message
 func (a Alpha) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Alpha"])
+	return MessageTmpls["Alpha"]
 }
 
 // GetKey return the m.Key
@@ -397,7 +398,7 @@ func (n Numeric) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default Length error message
 func (n Numeric) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Numeric"])
+	return MessageTmpls["Numeric"]
 }
 
 // GetKey return the n.Key
@@ -430,7 +431,7 @@ func (a AlphaNumeric) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default Length error message
 func (a AlphaNumeric) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["AlphaNumeric"])
+	return MessageTmpls["AlphaNumeric"]
 }
 
 // GetKey return the a.Key
@@ -495,7 +496,7 @@ func (n NoMatch) GetLimitValue() interface{} {
 	return n.Regexp.String()
 }
 
-var alphaDashPattern = regexp.MustCompile("[^\\d\\w-_]")
+var alphaDashPattern = regexp.MustCompile(`[^\d\w-_]`)
 
 // AlphaDash check not Alpha
 type AlphaDash struct {
@@ -505,7 +506,7 @@ type AlphaDash struct {
 
 // DefaultMessage return the default AlphaDash error message
 func (a AlphaDash) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["AlphaDash"])
+	return MessageTmpls["AlphaDash"]
 }
 
 // GetKey return the n.Key
@@ -518,7 +519,7 @@ func (a AlphaDash) GetLimitValue() interface{} {
 	return nil
 }
 
-var emailPattern = regexp.MustCompile("^[\\w!#$%&'*+/=?^_`{|}~-]+(?:\\.[\\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[a-zA-Z0-9](?:[\\w-]*[\\w])?$")
+var emailPattern = regexp.MustCompile(`^[\w!#$%&'*+/=?^_` + "`" + `{|}~-]+(?:\.[\w!#$%&'*+/=?^_` + "`" + `{|}~-]+)*@(?:[\w](?:[\w-]*[\w])?\.)+[a-zA-Z0-9](?:[\w-]*[\w])?$`)
 
 // Email check struct
 type Email struct {
@@ -528,7 +529,7 @@ type Email struct {
 
 // DefaultMessage return the default Email error message
 func (e Email) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Email"])
+	return MessageTmpls["Email"]
 }
 
 // GetKey return the n.Key
@@ -541,7 +542,7 @@ func (e Email) GetLimitValue() interface{} {
 	return nil
 }
 
-var ipPattern = regexp.MustCompile("^((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)$")
+var ipPattern = regexp.MustCompile(`^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$`)
 
 // IP check struct
 type IP struct {
@@ -551,7 +552,7 @@ type IP struct {
 
 // DefaultMessage return the default IP error message
 func (i IP) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["IP"])
+	return MessageTmpls["IP"]
 }
 
 // GetKey return the i.Key
@@ -564,7 +565,7 @@ func (i IP) GetLimitValue() interface{} {
 	return nil
 }
 
-var base64Pattern = regexp.MustCompile("^(?:[A-Za-z0-99+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$")
+var base64Pattern = regexp.MustCompile(`^(?:[A-Za-z0-99+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$`)
 
 // Base64 check struct
 type Base64 struct {
@@ -574,7 +575,7 @@ type Base64 struct {
 
 // DefaultMessage return the default Base64 error message
 func (b Base64) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Base64"])
+	return MessageTmpls["Base64"]
 }
 
 // GetKey return the b.Key
@@ -588,7 +589,7 @@ 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][06789]|[4][579]))\\d{8}$")
+var mobilePattern = regexp.MustCompile(`^((\+86)|(86))?(1(([35][0-9])|[8][0-9]|[7][06789]|[4][579]))\d{8}$`)
 
 // Mobile check struct
 type Mobile struct {
@@ -598,7 +599,7 @@ type Mobile struct {
 
 // DefaultMessage return the default Mobile error message
 func (m Mobile) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Mobile"])
+	return MessageTmpls["Mobile"]
 }
 
 // GetKey return the m.Key
@@ -612,7 +613,7 @@ func (m Mobile) GetLimitValue() interface{} {
 }
 
 // just for chinese telephone number
-var telPattern = regexp.MustCompile("^(0\\d{2,3}(\\-)?)?\\d{7,8}$")
+var telPattern = regexp.MustCompile(`^(0\d{2,3}(\-)?)?\d{7,8}$`)
 
 // Tel check telephone struct
 type Tel struct {
@@ -622,7 +623,7 @@ type Tel struct {
 
 // DefaultMessage return the default Tel error message
 func (t Tel) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Tel"])
+	return MessageTmpls["Tel"]
 }
 
 // GetKey return the t.Key
@@ -649,7 +650,7 @@ func (p Phone) IsSatisfied(obj interface{}) bool {
 
 // DefaultMessage return the default Phone error message
 func (p Phone) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["Phone"])
+	return MessageTmpls["Phone"]
 }
 
 // GetKey return the p.Key
@@ -663,7 +664,7 @@ func (p Phone) GetLimitValue() interface{} {
 }
 
 // just for chinese zipcode
-var zipCodePattern = regexp.MustCompile("^[1-9]\\d{5}$")
+var zipCodePattern = regexp.MustCompile(`^[1-9]\d{5}$`)
 
 // ZipCode check the zip struct
 type ZipCode struct {
@@ -673,7 +674,7 @@ type ZipCode struct {
 
 // DefaultMessage return the default Zip error message
 func (z ZipCode) DefaultMessage() string {
-	return fmt.Sprint(MessageTmpls["ZipCode"])
+	return MessageTmpls["ZipCode"]
 }
 
 // GetKey return the z.Key