gf/net/ghttp/ghttp_request.go

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// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
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//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
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package ghttp
import (
"fmt"
"io/ioutil"
"net/http"
"strings"
"github.com/gogf/gf/os/gsession"
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"github.com/gogf/gf/container/gvar"
"github.com/gogf/gf/encoding/gjson"
"github.com/gogf/gf/os/gtime"
"github.com/gogf/gf/text/gregex"
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)
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// 请求对象
type Request struct {
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*http.Request
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Id int // 请求ID(当前Server对象唯一)
Server *Server // 请求关联的服务器对象
Cookie *Cookie // 与当前请求绑定的Cookie对象(并发安全)
Session *gsession.Session // 与当前请求绑定的Session对象(并发安全)
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Response *Response // 对应请求的返回数据操作对象
Router *Router // 匹配到的路由对象
EnterTime int64 // 请求进入时间(微秒)
LeaveTime int64 // 请求完成时间(微秒)
Middleware *Middleware // 中间件功能调用对象
handlers []*handlerParsedItem // 请求执行服务函数列表(包含中间件、路由函数、钩子函数)
handlerIndex int // 当前执行函数的索引号
hasHookHandler bool // 是否检索到钩子函数(用于请求时提高钩子函数功能启用判断效率)
hasServeHandler bool // 是否检索到服务函数
parsedGet bool // GET参数是否已经解析
parsedPost bool // POST参数是否已经解析
parsedRaw bool // 原始参数是否已经解析
getMap map[string]interface{} // GET解析参数
postMap map[string]interface{} // POST解析参数
routerMap map[string]interface{} // 路由解析参数
rawVarMap map[string]interface{} // 原始数据参数
error error // 当前请求执行错误
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exit bool // 是否退出当前请求流程执行
params map[string]interface{} // 开发者自定义参数(请求流程中有效)
parsedHost string // 解析过后不带端口号的服务器域名名称
clientIp string // 解析过后的客户端IP地址
rawContent []byte // 客户端提交的原始参数
isFileRequest bool // 是否为静态文件请求(非服务请求,当静态文件存在时,优先级会被服务请求高,被识别为文件请求)
}
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// 创建一个Request对象
func newRequest(s *Server, r *http.Request, w http.ResponseWriter) *Request {
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request := &Request{
routerMap: make(map[string]interface{}),
Id: s.servedCount.Add(1),
Server: s,
Request: r,
Response: newResponse(s, w),
EnterTime: gtime.Microsecond(),
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}
// 会话处理
request.Cookie = GetCookie(request)
request.Session = s.sessionManager.New(request.GetSessionId())
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request.Response.request = request
request.Middleware = &Middleware{
request: request,
}
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return request
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}
// 获取Web Socket连接对象(如果是非WS请求会失败注意检查返回的error结果)
func (r *Request) WebSocket() (*WebSocket, error) {
if conn, err := wsUpgrader.Upgrade(r.Response.Writer, r.Request, nil); err == nil {
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return &WebSocket{
conn,
}, nil
} else {
return nil, err
}
}
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// 获得指定名称的参数字符串(Router/GET/POST),同 GetRequestString
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// 这是常用方法的简化别名
func (r *Request) Get(key string, def ...interface{}) interface{} {
return r.GetRequest(key, def...)
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}
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// 建议都用该参数替代参数获取
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func (r *Request) GetVar(key string, def ...interface{}) *gvar.Var {
return r.GetRequestVar(key, def...)
}
// 获取原始请求输入二进制。
func (r *Request) GetRaw() []byte {
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if r.rawContent == nil {
r.rawContent, _ = ioutil.ReadAll(r.Body)
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}
return r.rawContent
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}
// 获取原始请求输入字符串。
func (r *Request) GetRawString() string {
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return string(r.GetRaw())
}
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// 获取原始json请求输入字符串并解析为json对象
func (r *Request) GetJson() *gjson.Json {
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return gjson.New(r.GetRaw())
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}
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func (r *Request) GetString(key string, def ...interface{}) string {
return r.GetRequestString(key, def...)
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}
func (r *Request) GetBool(key string, def ...interface{}) bool {
return r.GetRequestBool(key, def...)
}
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func (r *Request) GetInt(key string, def ...interface{}) int {
return r.GetRequestInt(key, def...)
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}
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func (r *Request) GetInts(key string, def ...interface{}) []int {
return r.GetRequestInts(key, def...)
}
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func (r *Request) GetUint(key string, def ...interface{}) uint {
return r.GetRequestUint(key, def...)
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}
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func (r *Request) GetFloat32(key string, def ...interface{}) float32 {
return r.GetRequestFloat32(key, def...)
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}
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func (r *Request) GetFloat64(key string, def ...interface{}) float64 {
return r.GetRequestFloat64(key, def...)
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}
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func (r *Request) GetFloats(key string, def ...interface{}) []float64 {
return r.GetRequestFloats(key, def...)
}
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func (r *Request) GetArray(key string, def ...interface{}) []string {
return r.GetRequestArray(key, def...)
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}
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func (r *Request) GetStrings(key string, def ...interface{}) []string {
return r.GetRequestStrings(key, def...)
}
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func (r *Request) GetInterfaces(key string, def ...interface{}) []interface{} {
return r.GetRequestInterfaces(key, def...)
}
func (r *Request) GetMap(def ...map[string]interface{}) map[string]interface{} {
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return r.GetRequestMap(def...)
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}
func (r *Request) GetMapStrStr(def ...map[string]interface{}) map[string]string {
return r.GetRequestMapStrStr(def...)
}
// 将所有的request参数映射到struct属性上参数pointer应当为一个struct对象的指针,
// mapping为非必需参数自定义参数与属性的映射关系
func (r *Request) GetToStruct(pointer interface{}, mapping ...map[string]string) error {
return r.GetRequestToStruct(pointer, mapping...)
}
// 仅退出当前逻辑执行函数, 如:服务函数、HOOK函数
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func (r *Request) Exit() {
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panic(gEXCEPTION_EXIT)
}
// 退出当前请求执行,后续所有的服务逻辑流程(包括其他的HOOK)将不会执行
func (r *Request) ExitAll() {
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r.exit = true
panic(gEXCEPTION_EXIT_ALL)
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}
// 仅针对HOOK执行默认情况下HOOK会按照优先级进行调用当使用ExitHook后当前类型的后续HOOK将不会被调用
func (r *Request) ExitHook() {
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panic(gEXCEPTION_EXIT_HOOK)
}
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// 判断当前请求是否停止执行
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func (r *Request) IsExited() bool {
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return r.exit
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}
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// 获取请求的服务端IP/域名
func (r *Request) GetHost() string {
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if len(r.parsedHost) == 0 {
array, _ := gregex.MatchString(`(.+):(\d+)`, r.Host)
if len(array) > 1 {
r.parsedHost = array[1]
} else {
r.parsedHost = r.Host
}
}
return r.parsedHost
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}
// 判断是否为静态文件请求
func (r *Request) IsFileRequest() bool {
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return r.isFileRequest
}
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// 判断是否为AJAX请求
func (r *Request) IsAjaxRequest() bool {
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return strings.EqualFold(r.Header.Get("X-Requested-With"), "XMLHttpRequest")
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}
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// 获取请求的客户端IP地址
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func (r *Request) GetClientIp() string {
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if len(r.clientIp) == 0 {
if r.clientIp = r.Header.Get("X-Real-IP"); r.clientIp == "" {
array, _ := gregex.MatchString(`(.+):(\d+)`, r.RemoteAddr)
if len(array) > 1 {
r.clientIp = array[1]
} else {
r.clientIp = r.RemoteAddr
}
}
}
return r.clientIp
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}
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// 获得当前请求URL地址
func (r *Request) GetUrl() string {
scheme := "http"
if r.TLS != nil {
scheme = "https"
}
return fmt.Sprintf(`%s://%s%s`, scheme, r.Host, r.URL.String())
}
// 从Cookie和Header中查询SESSIONID
func (r *Request) GetSessionId() string {
id := r.Cookie.GetSessionId()
if id == "" {
id = r.Header.Get(r.Server.GetSessionIdName())
}
return id
}
// 获得请求来源URL地址
func (r *Request) GetReferer() string {
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return r.Header.Get("Referer")
}