341 lines
9.6 KiB
Go
341 lines
9.6 KiB
Go
// Copyright (c) 2014, B3log
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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 main
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import (
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"flag"
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"html/template"
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"math/rand"
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"mime"
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"net/http"
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"runtime"
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"strconv"
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"time"
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"github.com/b3log/wide/conf"
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"github.com/b3log/wide/editor"
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"github.com/b3log/wide/event"
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"github.com/b3log/wide/file"
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"github.com/b3log/wide/i18n"
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"github.com/b3log/wide/notification"
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"github.com/b3log/wide/output"
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"github.com/b3log/wide/session"
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"github.com/b3log/wide/shell"
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"github.com/b3log/wide/util"
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"github.com/golang/glog"
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)
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// The only one init function in Wide.
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func init() {
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// TODO: args
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flag.Set("logtostderr", "true")
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flag.Set("v", "3")
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flag.Parse()
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i18n.Load()
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event.Load()
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conf.Load()
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conf.FixedTimeCheckEnv()
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conf.FixedTimeSave()
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session.FixedTimeRelease()
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}
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// indexHandler handles request of Wide index.
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func indexHandler(w http.ResponseWriter, r *http.Request) {
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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if httpSession.IsNew {
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http.Redirect(w, r, "/login", http.StatusFound)
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return
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}
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httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
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httpSession.Save(r, w)
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// create a Wide session
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rand.Seed(time.Now().UnixNano())
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sid := strconv.Itoa(rand.Int())
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wideSession := session.WideSessions.New(httpSession, sid)
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username := httpSession.Values["username"].(string)
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user := conf.Wide.GetUser(username)
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if nil == user {
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glog.Warningf("Not found user [%s]", username)
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http.Redirect(w, r, "/login", http.StatusFound)
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return
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}
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locale := user.Locale
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wideSessions := session.WideSessions.GetByUsername(username)
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userConf := conf.Wide.GetUser(username)
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model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale,
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"session": wideSession, "latestSessionContent": userConf.LatestSessionContent,
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"pathSeparator": conf.PathSeparator, "codeMirrorVer": conf.CodeMirrorVer}
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glog.V(3).Infof("User [%s] has [%d] sessions", username, len(wideSessions))
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t, err := template.ParseFiles("views/index.html")
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if nil != err {
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glog.Error(err)
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http.Error(w, err.Error(), 500)
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return
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}
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t.Execute(w, model)
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}
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// serveSingle registers the handler function for the given pattern and filename.
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func serveSingle(pattern string, filename string) {
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http.HandleFunc(pattern, func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, filename)
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})
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}
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// startHandler handles request of start page.
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func startHandler(w http.ResponseWriter, r *http.Request) {
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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if httpSession.IsNew {
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http.Redirect(w, r, "/login", http.StatusFound)
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return
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}
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httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
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httpSession.Save(r, w)
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username := httpSession.Values["username"].(string)
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locale := conf.Wide.GetUser(username).Locale
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userWorkspace := conf.Wide.GetUserWorkspace(username)
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sid := r.URL.Query()["sid"][0]
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wSession := session.WideSessions.Get(sid)
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if nil == wSession {
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glog.Errorf("Session [%s] not found", sid)
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}
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model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale,
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"username": username, "workspace": userWorkspace, "ver": conf.WideVersion, "session": wSession}
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t, err := template.ParseFiles("views/start.html")
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if nil != err {
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glog.Error(err)
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http.Error(w, err.Error(), 500)
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return
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}
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t.Execute(w, model)
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}
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// keyboardShortcutsHandler handles request of keyboard shortcuts page.
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func keyboardShortcutsHandler(w http.ResponseWriter, r *http.Request) {
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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if httpSession.IsNew {
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http.Redirect(w, r, "/login", http.StatusFound)
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return
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}
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httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
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httpSession.Save(r, w)
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username := httpSession.Values["username"].(string)
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locale := conf.Wide.GetUser(username).Locale
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model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale}
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t, err := template.ParseFiles("views/keyboard_shortcuts.html")
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if nil != err {
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glog.Error(err)
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http.Error(w, err.Error(), 500)
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return
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}
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t.Execute(w, model)
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}
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// aboutHandle handles request of about page.
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func aboutHandler(w http.ResponseWriter, r *http.Request) {
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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if httpSession.IsNew {
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http.Redirect(w, r, "/login", http.StatusFound)
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return
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}
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httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
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httpSession.Save(r, w)
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username := httpSession.Values["username"].(string)
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locale := conf.Wide.GetUser(username).Locale
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model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale,
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"ver": conf.WideVersion, "goos": runtime.GOOS, "goarch": runtime.GOARCH, "gover": runtime.Version()}
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t, err := template.ParseFiles("views/about.html")
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if nil != err {
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glog.Error(err)
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http.Error(w, err.Error(), 500)
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return
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}
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t.Execute(w, model)
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}
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// Main.
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func main() {
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runtime.GOMAXPROCS(conf.Wide.MaxProcs)
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initMime()
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defer glog.Flush()
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// IDE
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http.HandleFunc("/", handlerWrapper(indexHandler))
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http.HandleFunc("/start", handlerWrapper(startHandler))
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http.HandleFunc("/about", handlerWrapper(aboutHandler))
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http.HandleFunc("/keyboard_shortcuts", handlerWrapper(keyboardShortcutsHandler))
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// static resources
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http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
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serveSingle("/favicon.ico", "./static/favicon.ico")
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// workspaces
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for _, user := range conf.Wide.Users {
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http.Handle("/workspace/"+user.Name+"/",
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http.StripPrefix("/workspace/"+user.Name+"/", http.FileServer(http.Dir(user.GetWorkspace()))))
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}
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// session
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http.HandleFunc("/session/ws", handlerWrapper(session.WSHandler))
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http.HandleFunc("/session/save", handlerWrapper(session.SaveContent))
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// run
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http.HandleFunc("/build", handlerWrapper(output.BuildHandler))
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http.HandleFunc("/run", handlerWrapper(output.RunHandler))
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http.HandleFunc("/stop", handlerWrapper(output.StopHandler))
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http.HandleFunc("/go/test", handlerWrapper(output.GoTestHandler))
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http.HandleFunc("/go/get", handlerWrapper(output.GoGetHandler))
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http.HandleFunc("/go/install", handlerWrapper(output.GoInstallHandler))
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http.HandleFunc("/output/ws", handlerWrapper(output.WSHandler))
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// file tree
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http.HandleFunc("/files", handlerWrapper(file.GetFiles))
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http.HandleFunc("/file", handlerWrapper(file.GetFile))
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http.HandleFunc("/file/save", handlerWrapper(file.SaveFile))
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http.HandleFunc("/file/new", handlerWrapper(file.NewFile))
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http.HandleFunc("/file/remove", handlerWrapper(file.RemoveFile))
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http.HandleFunc("/file/rename", handlerWrapper(file.RenameFile))
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http.HandleFunc("/file/search/text", handlerWrapper(file.SearchText))
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// editor
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http.HandleFunc("/editor/ws", handlerWrapper(editor.WSHandler))
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http.HandleFunc("/go/fmt", handlerWrapper(editor.GoFmtHandler))
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http.HandleFunc("/autocomplete", handlerWrapper(editor.AutocompleteHandler))
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http.HandleFunc("/exprinfo", handlerWrapper(editor.GetExprInfoHandler))
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http.HandleFunc("/find/decl", handlerWrapper(editor.FindDeclarationHandler))
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http.HandleFunc("/find/usages", handlerWrapper(editor.FindUsagesHandler))
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// shell
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http.HandleFunc("/shell/ws", handlerWrapper(shell.WSHandler))
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http.HandleFunc("/shell", handlerWrapper(shell.IndexHandler))
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// notification
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http.HandleFunc("/notification/ws", handlerWrapper(notification.WSHandler))
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// user
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http.HandleFunc("/login", handlerWrapper(session.LoginHandler))
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http.HandleFunc("/logout", handlerWrapper(session.LogoutHandler))
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http.HandleFunc("/signup", handlerWrapper(session.SignUpUser))
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glog.V(0).Infof("Wide is running [%s]", conf.Wide.Server)
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err := http.ListenAndServe(conf.Wide.Server, nil)
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if err != nil {
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glog.Fatal(err)
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}
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}
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// handlerWrapper wraps the HTTP Handler for some common processes.
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//
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// 1. panic recover
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// 2. request stopwatch
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// 3. i18n
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func handlerWrapper(f func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
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handler := panicRecover(f)
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handler = stopwatch(handler)
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handler = i18nLoad(handler)
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return handler
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}
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// i18nLoad wraps the i18n process.
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func i18nLoad(handler func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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i18n.Load()
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handler(w, r)
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}
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}
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// stopwatch wraps the request stopwatch process.
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func stopwatch(handler func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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defer func() {
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glog.V(5).Infof("[%s] [%s]", r.RequestURI, time.Since(start))
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}()
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handler(w, r)
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}
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}
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// panicRecover wraps the panic recover process.
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func panicRecover(handler func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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defer util.Recover()
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handler(w, r)
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}
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}
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// initMime initializes mime types.
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//
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// We can't get the mime types on some OS (such as Windows XP) by default, so initializes them here.
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func initMime() {
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mime.AddExtensionType(".css", "text/css")
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mime.AddExtensionType(".js", "application/x-javascript")
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mime.AddExtensionType(".json", "application/json")
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}
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