mirror of
https://github.com/astaxie/beego.git
synced 2024-11-01 01:20:56 +00:00
498 lines
15 KiB
Go
498 lines
15 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package beego
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import (
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"crypto/tls"
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"crypto/x509"
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"fmt"
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"io/ioutil"
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"net"
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"net/http"
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"net/http/fcgi"
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"os"
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"path"
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"strings"
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"time"
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"github.com/astaxie/beego/grace"
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"github.com/astaxie/beego/logs"
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"github.com/astaxie/beego/utils"
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"golang.org/x/crypto/acme/autocert"
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)
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var (
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// BeeApp is an application instance
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BeeApp *App
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)
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func init() {
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// create beego application
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BeeApp = NewApp()
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}
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// App defines beego application with a new PatternServeMux.
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type App struct {
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Handlers *ControllerRegister
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Server *http.Server
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}
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// NewApp returns a new beego application.
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func NewApp() *App {
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cr := NewControllerRegister()
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app := &App{Handlers: cr, Server: &http.Server{}}
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return app
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}
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// MiddleWare function for http.Handler
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type MiddleWare func(http.Handler) http.Handler
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// Run beego application.
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func (app *App) Run(mws ...MiddleWare) {
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addr := BConfig.Listen.HTTPAddr
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if BConfig.Listen.HTTPPort != 0 {
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addr = fmt.Sprintf("%s:%d", BConfig.Listen.HTTPAddr, BConfig.Listen.HTTPPort)
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}
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var (
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err error
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l net.Listener
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endRunning = make(chan bool, 1)
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)
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// run cgi server
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if BConfig.Listen.EnableFcgi {
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if BConfig.Listen.EnableStdIo {
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if err = fcgi.Serve(nil, app.Handlers); err == nil { // standard I/O
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logs.Info("Use FCGI via standard I/O")
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} else {
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logs.Critical("Cannot use FCGI via standard I/O", err)
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}
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return
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}
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if BConfig.Listen.HTTPPort == 0 {
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// remove the Socket file before start
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if utils.FileExists(addr) {
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os.Remove(addr)
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}
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l, err = net.Listen("unix", addr)
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} else {
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l, err = net.Listen("tcp", addr)
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}
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if err != nil {
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logs.Critical("Listen: ", err)
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}
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if err = fcgi.Serve(l, app.Handlers); err != nil {
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logs.Critical("fcgi.Serve: ", err)
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}
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return
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}
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app.Server.Handler = app.Handlers
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for i := len(mws) - 1; i >= 0; i-- {
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if mws[i] == nil {
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continue
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}
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app.Server.Handler = mws[i](app.Server.Handler)
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}
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app.Server.ReadTimeout = time.Duration(BConfig.Listen.ServerTimeOut) * time.Second
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app.Server.WriteTimeout = time.Duration(BConfig.Listen.ServerTimeOut) * time.Second
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app.Server.ErrorLog = logs.GetLogger("HTTP")
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// run graceful mode
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if BConfig.Listen.Graceful {
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httpsAddr := BConfig.Listen.HTTPSAddr
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app.Server.Addr = httpsAddr
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if BConfig.Listen.EnableHTTPS || BConfig.Listen.EnableMutualHTTPS {
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go func() {
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time.Sleep(1000 * time.Microsecond)
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if BConfig.Listen.HTTPSPort != 0 {
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httpsAddr = fmt.Sprintf("%s:%d", BConfig.Listen.HTTPSAddr, BConfig.Listen.HTTPSPort)
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app.Server.Addr = httpsAddr
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}
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server := grace.NewServer(httpsAddr, app.Handlers)
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server.Server.ReadTimeout = app.Server.ReadTimeout
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server.Server.WriteTimeout = app.Server.WriteTimeout
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if BConfig.Listen.EnableMutualHTTPS {
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if err := server.ListenAndServeMutualTLS(BConfig.Listen.HTTPSCertFile, BConfig.Listen.HTTPSKeyFile, BConfig.Listen.TrustCaFile); err != nil {
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logs.Critical("ListenAndServeTLS: ", err, fmt.Sprintf("%d", os.Getpid()))
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time.Sleep(100 * time.Microsecond)
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endRunning <- true
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}
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} else {
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if BConfig.Listen.AutoTLS {
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m := autocert.Manager{
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Prompt: autocert.AcceptTOS,
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HostPolicy: autocert.HostWhitelist(BConfig.Listen.Domains...),
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Cache: autocert.DirCache(BConfig.Listen.TLSCacheDir),
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}
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app.Server.TLSConfig = &tls.Config{GetCertificate: m.GetCertificate}
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BConfig.Listen.HTTPSCertFile, BConfig.Listen.HTTPSKeyFile = "", ""
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}
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if err := server.ListenAndServeTLS(BConfig.Listen.HTTPSCertFile, BConfig.Listen.HTTPSKeyFile); err != nil {
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logs.Critical("ListenAndServeTLS: ", err, fmt.Sprintf("%d", os.Getpid()))
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time.Sleep(100 * time.Microsecond)
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endRunning <- true
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}
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}
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}()
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}
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if BConfig.Listen.EnableHTTP {
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go func() {
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server := grace.NewServer(addr, app.Handlers)
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server.Server.ReadTimeout = app.Server.ReadTimeout
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server.Server.WriteTimeout = app.Server.WriteTimeout
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if BConfig.Listen.ListenTCP4 {
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server.Network = "tcp4"
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}
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if err := server.ListenAndServe(); err != nil {
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logs.Critical("ListenAndServe: ", err, fmt.Sprintf("%d", os.Getpid()))
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time.Sleep(100 * time.Microsecond)
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endRunning <- true
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}
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}()
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}
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<-endRunning
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return
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}
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// run normal mode
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if BConfig.Listen.EnableHTTPS || BConfig.Listen.EnableMutualHTTPS {
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go func() {
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time.Sleep(1000 * time.Microsecond)
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if BConfig.Listen.HTTPSPort != 0 {
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app.Server.Addr = fmt.Sprintf("%s:%d", BConfig.Listen.HTTPSAddr, BConfig.Listen.HTTPSPort)
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} else if BConfig.Listen.EnableHTTP {
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logs.Info("Start https server error, conflict with http. Please reset https port")
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return
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}
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logs.Info("https server Running on https://%s", app.Server.Addr)
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if BConfig.Listen.AutoTLS {
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m := autocert.Manager{
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Prompt: autocert.AcceptTOS,
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HostPolicy: autocert.HostWhitelist(BConfig.Listen.Domains...),
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Cache: autocert.DirCache(BConfig.Listen.TLSCacheDir),
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}
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app.Server.TLSConfig = &tls.Config{GetCertificate: m.GetCertificate}
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BConfig.Listen.HTTPSCertFile, BConfig.Listen.HTTPSKeyFile = "", ""
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} else if BConfig.Listen.EnableMutualHTTPS {
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pool := x509.NewCertPool()
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data, err := ioutil.ReadFile(BConfig.Listen.TrustCaFile)
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if err != nil {
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logs.Info("MutualHTTPS should provide TrustCaFile")
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return
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}
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pool.AppendCertsFromPEM(data)
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app.Server.TLSConfig = &tls.Config{
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ClientCAs: pool,
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ClientAuth: tls.RequireAndVerifyClientCert,
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}
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}
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if err := app.Server.ListenAndServeTLS(BConfig.Listen.HTTPSCertFile, BConfig.Listen.HTTPSKeyFile); err != nil {
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logs.Critical("ListenAndServeTLS: ", err)
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time.Sleep(100 * time.Microsecond)
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endRunning <- true
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}
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}()
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}
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if BConfig.Listen.EnableHTTP {
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go func() {
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app.Server.Addr = addr
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logs.Info("http server Running on http://%s", app.Server.Addr)
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if BConfig.Listen.ListenTCP4 {
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ln, err := net.Listen("tcp4", app.Server.Addr)
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if err != nil {
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logs.Critical("ListenAndServe: ", err)
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time.Sleep(100 * time.Microsecond)
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endRunning <- true
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return
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}
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if err = app.Server.Serve(ln); err != nil {
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logs.Critical("ListenAndServe: ", err)
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time.Sleep(100 * time.Microsecond)
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endRunning <- true
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return
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}
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} else {
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if err := app.Server.ListenAndServe(); err != nil {
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logs.Critical("ListenAndServe: ", err)
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time.Sleep(100 * time.Microsecond)
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endRunning <- true
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}
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}
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}()
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}
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<-endRunning
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}
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// Router adds a patterned controller handler to BeeApp.
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// it's an alias method of App.Router.
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// usage:
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// simple router
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// beego.Router("/admin", &admin.UserController{})
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// beego.Router("/admin/index", &admin.ArticleController{})
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//
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// regex router
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//
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// beego.Router("/api/:id([0-9]+)", &controllers.RController{})
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//
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// custom rules
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// beego.Router("/api/list",&RestController{},"*:ListFood")
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// beego.Router("/api/create",&RestController{},"post:CreateFood")
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// beego.Router("/api/update",&RestController{},"put:UpdateFood")
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// beego.Router("/api/delete",&RestController{},"delete:DeleteFood")
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func Router(rootpath string, c ControllerInterface, mappingMethods ...string) *App {
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BeeApp.Handlers.Add(rootpath, c, mappingMethods...)
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return BeeApp
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}
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// UnregisterFixedRoute unregisters the route with the specified fixedRoute. It is particularly useful
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// in web applications that inherit most routes from a base webapp via the underscore
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// import, and aim to overwrite only certain paths.
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// The method parameter can be empty or "*" for all HTTP methods, or a particular
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// method type (e.g. "GET" or "POST") for selective removal.
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//
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// Usage (replace "GET" with "*" for all methods):
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// beego.UnregisterFixedRoute("/yourpreviouspath", "GET")
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// beego.Router("/yourpreviouspath", yourControllerAddress, "get:GetNewPage")
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func UnregisterFixedRoute(fixedRoute string, method string) *App {
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subPaths := splitPath(fixedRoute)
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if method == "" || method == "*" {
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for m := range HTTPMETHOD {
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if _, ok := BeeApp.Handlers.routers[m]; !ok {
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continue
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}
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if BeeApp.Handlers.routers[m].prefix == strings.Trim(fixedRoute, "/ ") {
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findAndRemoveSingleTree(BeeApp.Handlers.routers[m])
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continue
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}
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findAndRemoveTree(subPaths, BeeApp.Handlers.routers[m], m)
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}
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return BeeApp
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}
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// Single HTTP method
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um := strings.ToUpper(method)
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if _, ok := BeeApp.Handlers.routers[um]; ok {
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if BeeApp.Handlers.routers[um].prefix == strings.Trim(fixedRoute, "/ ") {
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findAndRemoveSingleTree(BeeApp.Handlers.routers[um])
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return BeeApp
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}
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findAndRemoveTree(subPaths, BeeApp.Handlers.routers[um], um)
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}
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return BeeApp
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}
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func findAndRemoveTree(paths []string, entryPointTree *Tree, method string) {
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for i := range entryPointTree.fixrouters {
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if entryPointTree.fixrouters[i].prefix == paths[0] {
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if len(paths) == 1 {
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if len(entryPointTree.fixrouters[i].fixrouters) > 0 {
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// If the route had children subtrees, remove just the functional leaf,
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// to allow children to function as before
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if len(entryPointTree.fixrouters[i].leaves) > 0 {
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entryPointTree.fixrouters[i].leaves[0] = nil
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entryPointTree.fixrouters[i].leaves = entryPointTree.fixrouters[i].leaves[1:]
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}
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} else {
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// Remove the *Tree from the fixrouters slice
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entryPointTree.fixrouters[i] = nil
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if i == len(entryPointTree.fixrouters)-1 {
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entryPointTree.fixrouters = entryPointTree.fixrouters[:i]
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} else {
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entryPointTree.fixrouters = append(entryPointTree.fixrouters[:i], entryPointTree.fixrouters[i+1:len(entryPointTree.fixrouters)]...)
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}
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}
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return
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}
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findAndRemoveTree(paths[1:], entryPointTree.fixrouters[i], method)
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}
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}
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}
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func findAndRemoveSingleTree(entryPointTree *Tree) {
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if entryPointTree == nil {
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return
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}
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if len(entryPointTree.fixrouters) > 0 {
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// If the route had children subtrees, remove just the functional leaf,
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// to allow children to function as before
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if len(entryPointTree.leaves) > 0 {
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entryPointTree.leaves[0] = nil
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entryPointTree.leaves = entryPointTree.leaves[1:]
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}
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}
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}
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// Include will generate router file in the router/xxx.go from the controller's comments
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// usage:
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// beego.Include(&BankAccount{}, &OrderController{},&RefundController{},&ReceiptController{})
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// type BankAccount struct{
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// beego.Controller
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// }
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//
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// register the function
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// func (b *BankAccount)Mapping(){
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// b.Mapping("ShowAccount" , b.ShowAccount)
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// b.Mapping("ModifyAccount", b.ModifyAccount)
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//}
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//
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// //@router /account/:id [get]
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// func (b *BankAccount) ShowAccount(){
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// //logic
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// }
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//
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//
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// //@router /account/:id [post]
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// func (b *BankAccount) ModifyAccount(){
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// //logic
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// }
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//
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// the comments @router url methodlist
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// url support all the function Router's pattern
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// methodlist [get post head put delete options *]
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func Include(cList ...ControllerInterface) *App {
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BeeApp.Handlers.Include(cList...)
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return BeeApp
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}
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// RESTRouter adds a restful controller handler to BeeApp.
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// its' controller implements beego.ControllerInterface and
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// defines a param "pattern/:objectId" to visit each resource.
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func RESTRouter(rootpath string, c ControllerInterface) *App {
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Router(rootpath, c)
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Router(path.Join(rootpath, ":objectId"), c)
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return BeeApp
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}
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// AutoRouter adds defined controller handler to BeeApp.
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// it's same to App.AutoRouter.
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// if beego.AddAuto(&MainContorlller{}) and MainController has methods List and Page,
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// visit the url /main/list to exec List function or /main/page to exec Page function.
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func AutoRouter(c ControllerInterface) *App {
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BeeApp.Handlers.AddAuto(c)
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return BeeApp
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}
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// AutoPrefix adds controller handler to BeeApp with prefix.
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// it's same to App.AutoRouterWithPrefix.
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// if beego.AutoPrefix("/admin",&MainContorlller{}) and MainController has methods List and Page,
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// visit the url /admin/main/list to exec List function or /admin/main/page to exec Page function.
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func AutoPrefix(prefix string, c ControllerInterface) *App {
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BeeApp.Handlers.AddAutoPrefix(prefix, c)
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return BeeApp
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}
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// Get used to register router for Get method
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// usage:
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// beego.Get("/", func(ctx *context.Context){
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// ctx.Output.Body("hello world")
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// })
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func Get(rootpath string, f FilterFunc) *App {
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BeeApp.Handlers.Get(rootpath, f)
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return BeeApp
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}
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// Post used to register router for Post method
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// usage:
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// beego.Post("/api", func(ctx *context.Context){
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// ctx.Output.Body("hello world")
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// })
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func Post(rootpath string, f FilterFunc) *App {
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BeeApp.Handlers.Post(rootpath, f)
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return BeeApp
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}
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// Delete used to register router for Delete method
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// usage:
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// beego.Delete("/api", func(ctx *context.Context){
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// ctx.Output.Body("hello world")
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// })
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func Delete(rootpath string, f FilterFunc) *App {
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BeeApp.Handlers.Delete(rootpath, f)
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return BeeApp
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}
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// Put used to register router for Put method
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// usage:
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// beego.Put("/api", func(ctx *context.Context){
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// ctx.Output.Body("hello world")
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// })
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func Put(rootpath string, f FilterFunc) *App {
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BeeApp.Handlers.Put(rootpath, f)
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return BeeApp
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}
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// Head used to register router for Head method
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// usage:
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// beego.Head("/api", func(ctx *context.Context){
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// ctx.Output.Body("hello world")
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// })
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func Head(rootpath string, f FilterFunc) *App {
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BeeApp.Handlers.Head(rootpath, f)
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return BeeApp
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}
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// Options used to register router for Options method
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// usage:
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// beego.Options("/api", func(ctx *context.Context){
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// ctx.Output.Body("hello world")
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// })
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func Options(rootpath string, f FilterFunc) *App {
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BeeApp.Handlers.Options(rootpath, f)
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return BeeApp
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}
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// Patch used to register router for Patch method
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// usage:
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// beego.Patch("/api", func(ctx *context.Context){
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// ctx.Output.Body("hello world")
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// })
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func Patch(rootpath string, f FilterFunc) *App {
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BeeApp.Handlers.Patch(rootpath, f)
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return BeeApp
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}
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// Any used to register router for all methods
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// usage:
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// beego.Any("/api", func(ctx *context.Context){
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// ctx.Output.Body("hello world")
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// })
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func Any(rootpath string, f FilterFunc) *App {
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BeeApp.Handlers.Any(rootpath, f)
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return BeeApp
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}
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// Handler used to register a Handler router
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// usage:
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// beego.Handler("/api", http.HandlerFunc(func (w http.ResponseWriter, r *http.Request) {
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// fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))
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// }))
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func Handler(rootpath string, h http.Handler, options ...interface{}) *App {
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BeeApp.Handlers.Handler(rootpath, h, options...)
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return BeeApp
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}
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// InsertFilter adds a FilterFunc with pattern condition and action constant.
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// The pos means action constant including
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// beego.BeforeStatic, beego.BeforeRouter, beego.BeforeExec, beego.AfterExec and beego.FinishRouter.
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// The bool params is for setting the returnOnOutput value (false allows multiple filters to execute)
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func InsertFilter(pattern string, pos int, filter FilterFunc, params ...bool) *App {
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BeeApp.Handlers.InsertFilter(pattern, pos, filter, params...)
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return BeeApp
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}
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