mirror of
https://github.com/astaxie/beego.git
synced 2024-12-25 19:20:50 +00:00
ebc0207909
fix memory leak of request context
710 lines
20 KiB
Go
710 lines
20 KiB
Go
// 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 context
|
|
|
|
import (
|
|
"bytes"
|
|
"compress/gzip"
|
|
"errors"
|
|
"io"
|
|
"io/ioutil"
|
|
"net"
|
|
"net/http"
|
|
"net/url"
|
|
"reflect"
|
|
"regexp"
|
|
"strconv"
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/astaxie/beego/session"
|
|
)
|
|
|
|
// Regexes for checking the accept headers
|
|
// TODO make sure these are correct
|
|
var (
|
|
acceptsHTMLRegex = regexp.MustCompile(`(text/html|application/xhtml\+xml)(?:,|$)`)
|
|
acceptsXMLRegex = regexp.MustCompile(`(application/xml|text/xml)(?:,|$)`)
|
|
acceptsJSONRegex = regexp.MustCompile(`(application/json)(?:,|$)`)
|
|
acceptsYAMLRegex = regexp.MustCompile(`(application/x-yaml)(?:,|$)`)
|
|
maxParam = 50
|
|
)
|
|
|
|
// BeegoInput operates the http request header, data, cookie and body.
|
|
// it also contains router params and current session.
|
|
type BeegoInput struct {
|
|
Context *Context
|
|
CruSession session.Store
|
|
pnames []string
|
|
pvalues []string
|
|
data map[interface{}]interface{} // store some values in this context when calling context in filter or controller.
|
|
dataLock sync.RWMutex
|
|
RequestBody []byte
|
|
RunMethod string
|
|
RunController reflect.Type
|
|
}
|
|
|
|
// NewInput return BeegoInput generated by Context.
|
|
func NewInput() *BeegoInput {
|
|
return &BeegoInput{
|
|
pnames: make([]string, 0, maxParam),
|
|
pvalues: make([]string, 0, maxParam),
|
|
data: make(map[interface{}]interface{}),
|
|
}
|
|
}
|
|
|
|
// Reset init the BeegoInput
|
|
func (input *BeegoInput) Reset(ctx *Context) {
|
|
input.Context = ctx
|
|
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{}
|
|
}
|
|
|
|
// Protocol returns request protocol name, such as HTTP/1.1 .
|
|
func (input *BeegoInput) Protocol() string {
|
|
return input.Context.Request.Proto
|
|
}
|
|
|
|
// URI returns full request url with query string, fragment.
|
|
func (input *BeegoInput) URI() string {
|
|
return input.Context.Request.RequestURI
|
|
}
|
|
|
|
// URL returns request url path (without query string, fragment).
|
|
func (input *BeegoInput) URL() string {
|
|
return input.Context.Request.URL.EscapedPath()
|
|
}
|
|
|
|
// Site returns base site url as scheme://domain type.
|
|
func (input *BeegoInput) Site() string {
|
|
return input.Scheme() + "://" + input.Domain()
|
|
}
|
|
|
|
// Scheme returns request scheme as "http" or "https".
|
|
func (input *BeegoInput) Scheme() string {
|
|
if scheme := input.Header("X-Forwarded-Proto"); scheme != "" {
|
|
return scheme
|
|
}
|
|
if input.Context.Request.URL.Scheme != "" {
|
|
return input.Context.Request.URL.Scheme
|
|
}
|
|
if input.Context.Request.TLS == nil {
|
|
return "http"
|
|
}
|
|
return "https"
|
|
}
|
|
|
|
// Domain returns host name.
|
|
// Alias of Host method.
|
|
func (input *BeegoInput) Domain() string {
|
|
return input.Host()
|
|
}
|
|
|
|
// Host returns host name.
|
|
// if no host info in request, return localhost.
|
|
func (input *BeegoInput) Host() string {
|
|
if input.Context.Request.Host != "" {
|
|
if hostPart, _, err := net.SplitHostPort(input.Context.Request.Host); err == nil {
|
|
return hostPart
|
|
}
|
|
return input.Context.Request.Host
|
|
}
|
|
return "localhost"
|
|
}
|
|
|
|
// Method returns http request method.
|
|
func (input *BeegoInput) Method() string {
|
|
return input.Context.Request.Method
|
|
}
|
|
|
|
// Is returns boolean of this request is on given method, such as Is("POST").
|
|
func (input *BeegoInput) Is(method string) bool {
|
|
return input.Method() == method
|
|
}
|
|
|
|
// IsGet Is this a GET method request?
|
|
func (input *BeegoInput) IsGet() bool {
|
|
return input.Is("GET")
|
|
}
|
|
|
|
// IsPost Is this a POST method request?
|
|
func (input *BeegoInput) IsPost() bool {
|
|
return input.Is("POST")
|
|
}
|
|
|
|
// IsHead Is this a Head method request?
|
|
func (input *BeegoInput) IsHead() bool {
|
|
return input.Is("HEAD")
|
|
}
|
|
|
|
// IsOptions Is this a OPTIONS method request?
|
|
func (input *BeegoInput) IsOptions() bool {
|
|
return input.Is("OPTIONS")
|
|
}
|
|
|
|
// IsPut Is this a PUT method request?
|
|
func (input *BeegoInput) IsPut() bool {
|
|
return input.Is("PUT")
|
|
}
|
|
|
|
// IsDelete Is this a DELETE method request?
|
|
func (input *BeegoInput) IsDelete() bool {
|
|
return input.Is("DELETE")
|
|
}
|
|
|
|
// IsPatch Is this a PATCH method request?
|
|
func (input *BeegoInput) IsPatch() bool {
|
|
return input.Is("PATCH")
|
|
}
|
|
|
|
// IsAjax returns boolean of this request is generated by ajax.
|
|
func (input *BeegoInput) IsAjax() bool {
|
|
return input.Header("X-Requested-With") == "XMLHttpRequest"
|
|
}
|
|
|
|
// IsSecure returns boolean of this request is in https.
|
|
func (input *BeegoInput) IsSecure() bool {
|
|
return input.Scheme() == "https"
|
|
}
|
|
|
|
// IsWebsocket returns boolean of this request is in webSocket.
|
|
func (input *BeegoInput) IsWebsocket() bool {
|
|
return input.Header("Upgrade") == "websocket"
|
|
}
|
|
|
|
// IsUpload returns boolean of whether file uploads in this request or not..
|
|
func (input *BeegoInput) IsUpload() bool {
|
|
return strings.Contains(input.Header("Content-Type"), "multipart/form-data")
|
|
}
|
|
|
|
// AcceptsHTML Checks if request accepts html response
|
|
func (input *BeegoInput) AcceptsHTML() bool {
|
|
return acceptsHTMLRegex.MatchString(input.Header("Accept"))
|
|
}
|
|
|
|
// AcceptsXML Checks if request accepts xml response
|
|
func (input *BeegoInput) AcceptsXML() bool {
|
|
return acceptsXMLRegex.MatchString(input.Header("Accept"))
|
|
}
|
|
|
|
// AcceptsJSON Checks if request accepts json response
|
|
func (input *BeegoInput) AcceptsJSON() bool {
|
|
return acceptsJSONRegex.MatchString(input.Header("Accept"))
|
|
}
|
|
|
|
// AcceptsYAML Checks if request accepts json response
|
|
func (input *BeegoInput) AcceptsYAML() bool {
|
|
return acceptsYAMLRegex.MatchString(input.Header("Accept"))
|
|
}
|
|
|
|
// IP returns request client ip.
|
|
// if in proxy, return first proxy id.
|
|
// if error, return RemoteAddr.
|
|
func (input *BeegoInput) IP() string {
|
|
ips := input.Proxy()
|
|
if len(ips) > 0 && ips[0] != "" {
|
|
rip, _, err := net.SplitHostPort(ips[0])
|
|
if err != nil {
|
|
rip = ips[0]
|
|
}
|
|
return rip
|
|
}
|
|
if ip, _, err := net.SplitHostPort(input.Context.Request.RemoteAddr); err == nil {
|
|
return ip
|
|
}
|
|
return input.Context.Request.RemoteAddr
|
|
}
|
|
|
|
// Proxy returns proxy client ips slice.
|
|
func (input *BeegoInput) Proxy() []string {
|
|
if ips := input.Header("X-Forwarded-For"); ips != "" {
|
|
return strings.Split(ips, ",")
|
|
}
|
|
return []string{}
|
|
}
|
|
|
|
// Referer returns http referer header.
|
|
func (input *BeegoInput) Referer() string {
|
|
return input.Header("Referer")
|
|
}
|
|
|
|
// Refer returns http referer header.
|
|
func (input *BeegoInput) Refer() string {
|
|
return input.Referer()
|
|
}
|
|
|
|
// SubDomains returns sub domain string.
|
|
// if aa.bb.domain.com, returns aa.bb .
|
|
func (input *BeegoInput) SubDomains() string {
|
|
parts := strings.Split(input.Host(), ".")
|
|
if len(parts) >= 3 {
|
|
return strings.Join(parts[:len(parts)-2], ".")
|
|
}
|
|
return ""
|
|
}
|
|
|
|
// Port returns request client port.
|
|
// when error or empty, return 80.
|
|
func (input *BeegoInput) Port() int {
|
|
if _, portPart, err := net.SplitHostPort(input.Context.Request.Host); err == nil {
|
|
port, _ := strconv.Atoi(portPart)
|
|
return port
|
|
}
|
|
return 80
|
|
}
|
|
|
|
// UserAgent returns request client user agent string.
|
|
func (input *BeegoInput) UserAgent() string {
|
|
return input.Header("User-Agent")
|
|
}
|
|
|
|
// ParamsLen return the length of the params
|
|
func (input *BeegoInput) ParamsLen() int {
|
|
return len(input.pnames)
|
|
}
|
|
|
|
// Param returns router param by a given key.
|
|
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]
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
// Params returns the map[key]value.
|
|
func (input *BeegoInput) Params() map[string]string {
|
|
m := make(map[string]string)
|
|
for i, v := range input.pnames {
|
|
if i <= len(input.pvalues) {
|
|
m[v] = input.pvalues[i]
|
|
}
|
|
}
|
|
return m
|
|
}
|
|
|
|
// SetParam will set the param with key and value
|
|
func (input *BeegoInput) SetParam(key, val string) {
|
|
// check if already exists
|
|
for i, v := range input.pnames {
|
|
if v == key && i <= len(input.pvalues) {
|
|
input.pvalues[i] = val
|
|
return
|
|
}
|
|
}
|
|
input.pvalues = append(input.pvalues, val)
|
|
input.pnames = append(input.pnames, key)
|
|
}
|
|
|
|
// ResetParams clears any of the input's Params
|
|
// This function is used to clear parameters so they may be reset between filter
|
|
// passes.
|
|
func (input *BeegoInput) ResetParams() {
|
|
input.pnames = input.pnames[:0]
|
|
input.pvalues = input.pvalues[:0]
|
|
}
|
|
|
|
// ResetData: reset data
|
|
func (input *BeegoInput) ResetData() {
|
|
input.dataLock.Lock()
|
|
input.data = nil
|
|
input.dataLock.Unlock()
|
|
}
|
|
|
|
// ResetBody: reset body
|
|
func (input *BeegoInput) ResetBody() {
|
|
input.RequestBody = []byte{}
|
|
}
|
|
|
|
// Clear: clear all data in input
|
|
func (input *BeegoInput) Clear() {
|
|
input.ResetParams()
|
|
input.ResetData()
|
|
input.ResetBody()
|
|
|
|
}
|
|
|
|
// Query returns input data item string by a given string.
|
|
func (input *BeegoInput) Query(key string) string {
|
|
if val := input.Param(key); val != "" {
|
|
return val
|
|
}
|
|
if input.Context.Request.Form == nil {
|
|
input.dataLock.Lock()
|
|
if input.Context.Request.Form == nil {
|
|
input.Context.Request.ParseForm()
|
|
}
|
|
input.dataLock.Unlock()
|
|
}
|
|
input.dataLock.RLock()
|
|
defer input.dataLock.RUnlock()
|
|
return input.Context.Request.Form.Get(key)
|
|
}
|
|
|
|
// Header returns request header item string by a given string.
|
|
// if non-existed, return empty string.
|
|
func (input *BeegoInput) Header(key string) string {
|
|
return input.Context.Request.Header.Get(key)
|
|
}
|
|
|
|
// Cookie returns request cookie item string by a given key.
|
|
// if non-existed, return empty string.
|
|
func (input *BeegoInput) Cookie(key string) string {
|
|
ck, err := input.Context.Request.Cookie(key)
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
return ck.Value
|
|
}
|
|
|
|
// Session returns current session item value by a given key.
|
|
// if non-existed, return nil.
|
|
func (input *BeegoInput) Session(key interface{}) interface{} {
|
|
return input.CruSession.Get(key)
|
|
}
|
|
|
|
// CopyBody returns the raw request body data as bytes.
|
|
func (input *BeegoInput) CopyBody(MaxMemory int64) []byte {
|
|
if input.Context.Request.Body == nil {
|
|
return []byte{}
|
|
}
|
|
|
|
var requestbody []byte
|
|
safe := &io.LimitedReader{R: input.Context.Request.Body, N: MaxMemory}
|
|
if input.Header("Content-Encoding") == "gzip" {
|
|
reader, err := gzip.NewReader(safe)
|
|
if err != nil {
|
|
return nil
|
|
}
|
|
requestbody, _ = ioutil.ReadAll(reader)
|
|
} else {
|
|
requestbody, _ = ioutil.ReadAll(safe)
|
|
}
|
|
|
|
input.Context.Request.Body.Close()
|
|
bf := bytes.NewBuffer(requestbody)
|
|
input.Context.Request.Body = http.MaxBytesReader(input.Context.ResponseWriter, ioutil.NopCloser(bf), MaxMemory)
|
|
input.RequestBody = requestbody
|
|
return requestbody
|
|
}
|
|
|
|
// Data return the implicit data in the input
|
|
func (input *BeegoInput) Data() map[interface{}]interface{} {
|
|
input.dataLock.Lock()
|
|
defer input.dataLock.Unlock()
|
|
if input.data == nil {
|
|
input.data = make(map[interface{}]interface{})
|
|
}
|
|
return input.data
|
|
}
|
|
|
|
// GetData returns the stored data in this context.
|
|
func (input *BeegoInput) GetData(key interface{}) interface{} {
|
|
input.dataLock.Lock()
|
|
defer input.dataLock.Unlock()
|
|
if v, ok := input.data[key]; ok {
|
|
return v
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// SetData stores data with given key in this context.
|
|
// This data are only available in this context.
|
|
func (input *BeegoInput) SetData(key, val interface{}) {
|
|
input.dataLock.Lock()
|
|
defer input.dataLock.Unlock()
|
|
if input.data == nil {
|
|
input.data = make(map[interface{}]interface{})
|
|
}
|
|
input.data[key] = val
|
|
}
|
|
|
|
// ParseFormOrMulitForm parseForm or parseMultiForm based on Content-type
|
|
func (input *BeegoInput) ParseFormOrMulitForm(maxMemory int64) error {
|
|
// Parse the body depending on the content type.
|
|
if strings.Contains(input.Header("Content-Type"), "multipart/form-data") {
|
|
if err := input.Context.Request.ParseMultipartForm(maxMemory); err != nil {
|
|
return errors.New("Error parsing request body:" + err.Error())
|
|
}
|
|
} else if err := input.Context.Request.ParseForm(); err != nil {
|
|
return errors.New("Error parsing request body:" + err.Error())
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Bind data from request.Form[key] to dest
|
|
// like /?id=123&isok=true&ft=1.2&ol[0]=1&ol[1]=2&ul[]=str&ul[]=array&user.Name=astaxie
|
|
// var id int beegoInput.Bind(&id, "id") id ==123
|
|
// var isok bool beegoInput.Bind(&isok, "isok") isok ==true
|
|
// var ft float64 beegoInput.Bind(&ft, "ft") ft ==1.2
|
|
// ol := make([]int, 0, 2) beegoInput.Bind(&ol, "ol") ol ==[1 2]
|
|
// ul := make([]string, 0, 2) beegoInput.Bind(&ul, "ul") ul ==[str array]
|
|
// user struct{Name} beegoInput.Bind(&user, "user") user == {Name:"astaxie"}
|
|
func (input *BeegoInput) Bind(dest interface{}, key string) error {
|
|
value := reflect.ValueOf(dest)
|
|
if value.Kind() != reflect.Ptr {
|
|
return errors.New("beego: non-pointer passed to Bind: " + key)
|
|
}
|
|
value = value.Elem()
|
|
if !value.CanSet() {
|
|
return errors.New("beego: non-settable variable passed to Bind: " + key)
|
|
}
|
|
typ := value.Type()
|
|
// Get real type if dest define with interface{}.
|
|
// e.g var dest interface{} dest=1.0
|
|
if value.Kind() == reflect.Interface {
|
|
typ = value.Elem().Type()
|
|
}
|
|
rv := input.bind(key, typ)
|
|
if !rv.IsValid() {
|
|
return errors.New("beego: reflect value is empty")
|
|
}
|
|
value.Set(rv)
|
|
return nil
|
|
}
|
|
|
|
func (input *BeegoInput) bind(key string, typ reflect.Type) reflect.Value {
|
|
if input.Context.Request.Form == nil {
|
|
input.Context.Request.ParseForm()
|
|
}
|
|
rv := reflect.Zero(typ)
|
|
switch typ.Kind() {
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
val := input.Query(key)
|
|
if len(val) == 0 {
|
|
return rv
|
|
}
|
|
rv = input.bindInt(val, typ)
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
|
|
val := input.Query(key)
|
|
if len(val) == 0 {
|
|
return rv
|
|
}
|
|
rv = input.bindUint(val, typ)
|
|
case reflect.Float32, reflect.Float64:
|
|
val := input.Query(key)
|
|
if len(val) == 0 {
|
|
return rv
|
|
}
|
|
rv = input.bindFloat(val, typ)
|
|
case reflect.String:
|
|
val := input.Query(key)
|
|
if len(val) == 0 {
|
|
return rv
|
|
}
|
|
rv = input.bindString(val, typ)
|
|
case reflect.Bool:
|
|
val := input.Query(key)
|
|
if len(val) == 0 {
|
|
return rv
|
|
}
|
|
rv = input.bindBool(val, typ)
|
|
case reflect.Slice:
|
|
rv = input.bindSlice(&input.Context.Request.Form, key, typ)
|
|
case reflect.Struct:
|
|
rv = input.bindStruct(&input.Context.Request.Form, key, typ)
|
|
case reflect.Ptr:
|
|
rv = input.bindPoint(key, typ)
|
|
case reflect.Map:
|
|
rv = input.bindMap(&input.Context.Request.Form, key, typ)
|
|
}
|
|
return rv
|
|
}
|
|
|
|
func (input *BeegoInput) bindValue(val string, typ reflect.Type) reflect.Value {
|
|
rv := reflect.Zero(typ)
|
|
switch typ.Kind() {
|
|
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
|
rv = input.bindInt(val, typ)
|
|
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
|
|
rv = input.bindUint(val, typ)
|
|
case reflect.Float32, reflect.Float64:
|
|
rv = input.bindFloat(val, typ)
|
|
case reflect.String:
|
|
rv = input.bindString(val, typ)
|
|
case reflect.Bool:
|
|
rv = input.bindBool(val, typ)
|
|
case reflect.Slice:
|
|
rv = input.bindSlice(&url.Values{"": {val}}, "", typ)
|
|
case reflect.Struct:
|
|
rv = input.bindStruct(&url.Values{"": {val}}, "", typ)
|
|
case reflect.Ptr:
|
|
rv = input.bindPoint(val, typ)
|
|
case reflect.Map:
|
|
rv = input.bindMap(&url.Values{"": {val}}, "", typ)
|
|
}
|
|
return rv
|
|
}
|
|
|
|
func (input *BeegoInput) bindInt(val string, typ reflect.Type) reflect.Value {
|
|
intValue, err := strconv.ParseInt(val, 10, 64)
|
|
if err != nil {
|
|
return reflect.Zero(typ)
|
|
}
|
|
pValue := reflect.New(typ)
|
|
pValue.Elem().SetInt(intValue)
|
|
return pValue.Elem()
|
|
}
|
|
|
|
func (input *BeegoInput) bindUint(val string, typ reflect.Type) reflect.Value {
|
|
uintValue, err := strconv.ParseUint(val, 10, 64)
|
|
if err != nil {
|
|
return reflect.Zero(typ)
|
|
}
|
|
pValue := reflect.New(typ)
|
|
pValue.Elem().SetUint(uintValue)
|
|
return pValue.Elem()
|
|
}
|
|
|
|
func (input *BeegoInput) bindFloat(val string, typ reflect.Type) reflect.Value {
|
|
floatValue, err := strconv.ParseFloat(val, 64)
|
|
if err != nil {
|
|
return reflect.Zero(typ)
|
|
}
|
|
pValue := reflect.New(typ)
|
|
pValue.Elem().SetFloat(floatValue)
|
|
return pValue.Elem()
|
|
}
|
|
|
|
func (input *BeegoInput) bindString(val string, typ reflect.Type) reflect.Value {
|
|
return reflect.ValueOf(val)
|
|
}
|
|
|
|
func (input *BeegoInput) bindBool(val string, typ reflect.Type) reflect.Value {
|
|
val = strings.TrimSpace(strings.ToLower(val))
|
|
switch val {
|
|
case "true", "on", "1":
|
|
return reflect.ValueOf(true)
|
|
}
|
|
return reflect.ValueOf(false)
|
|
}
|
|
|
|
type sliceValue struct {
|
|
index int // Index extracted from brackets. If -1, no index was provided.
|
|
value reflect.Value // the bound value for this slice element.
|
|
}
|
|
|
|
func (input *BeegoInput) bindSlice(params *url.Values, key string, typ reflect.Type) reflect.Value {
|
|
maxIndex := -1
|
|
numNoIndex := 0
|
|
sliceValues := []sliceValue{}
|
|
for reqKey, vals := range *params {
|
|
if !strings.HasPrefix(reqKey, key+"[") {
|
|
continue
|
|
}
|
|
// Extract the index, and the index where a sub-key starts. (e.g. field[0].subkey)
|
|
index := -1
|
|
leftBracket, rightBracket := len(key), strings.Index(reqKey[len(key):], "]")+len(key)
|
|
if rightBracket > leftBracket+1 {
|
|
index, _ = strconv.Atoi(reqKey[leftBracket+1 : rightBracket])
|
|
}
|
|
subKeyIndex := rightBracket + 1
|
|
|
|
// Handle the indexed case.
|
|
if index > -1 {
|
|
if index > maxIndex {
|
|
maxIndex = index
|
|
}
|
|
sliceValues = append(sliceValues, sliceValue{
|
|
index: index,
|
|
value: input.bind(reqKey[:subKeyIndex], typ.Elem()),
|
|
})
|
|
continue
|
|
}
|
|
|
|
// It's an un-indexed element. (e.g. element[])
|
|
numNoIndex += len(vals)
|
|
for _, val := range vals {
|
|
// Unindexed values can only be direct-bound.
|
|
sliceValues = append(sliceValues, sliceValue{
|
|
index: -1,
|
|
value: input.bindValue(val, typ.Elem()),
|
|
})
|
|
}
|
|
}
|
|
resultArray := reflect.MakeSlice(typ, maxIndex+1, maxIndex+1+numNoIndex)
|
|
for _, sv := range sliceValues {
|
|
if sv.index != -1 {
|
|
resultArray.Index(sv.index).Set(sv.value)
|
|
} else {
|
|
resultArray = reflect.Append(resultArray, sv.value)
|
|
}
|
|
}
|
|
return resultArray
|
|
}
|
|
|
|
func (input *BeegoInput) bindStruct(params *url.Values, key string, typ reflect.Type) reflect.Value {
|
|
result := reflect.New(typ).Elem()
|
|
fieldValues := make(map[string]reflect.Value)
|
|
for reqKey, val := range *params {
|
|
var fieldName string
|
|
if strings.HasPrefix(reqKey, key+".") {
|
|
fieldName = reqKey[len(key)+1:]
|
|
} else if strings.HasPrefix(reqKey, key+"[") && reqKey[len(reqKey)-1] == ']' {
|
|
fieldName = reqKey[len(key)+1 : len(reqKey)-1]
|
|
} else {
|
|
continue
|
|
}
|
|
|
|
if _, ok := fieldValues[fieldName]; !ok {
|
|
// Time to bind this field. Get it and make sure we can set it.
|
|
fieldValue := result.FieldByName(fieldName)
|
|
if !fieldValue.IsValid() {
|
|
continue
|
|
}
|
|
if !fieldValue.CanSet() {
|
|
continue
|
|
}
|
|
boundVal := input.bindValue(val[0], fieldValue.Type())
|
|
fieldValue.Set(boundVal)
|
|
fieldValues[fieldName] = boundVal
|
|
}
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
func (input *BeegoInput) bindPoint(key string, typ reflect.Type) reflect.Value {
|
|
return input.bind(key, typ.Elem()).Addr()
|
|
}
|
|
|
|
func (input *BeegoInput) bindMap(params *url.Values, key string, typ reflect.Type) reflect.Value {
|
|
var (
|
|
result = reflect.MakeMap(typ)
|
|
keyType = typ.Key()
|
|
valueType = typ.Elem()
|
|
)
|
|
for paramName, values := range *params {
|
|
if !strings.HasPrefix(paramName, key+"[") || paramName[len(paramName)-1] != ']' {
|
|
continue
|
|
}
|
|
|
|
key := paramName[len(key)+1 : len(paramName)-1]
|
|
result.SetMapIndex(input.bindValue(key, keyType), input.bindValue(values[0], valueType))
|
|
}
|
|
return result
|
|
}
|