352 lines
8.8 KiB
Go
352 lines
8.8 KiB
Go
package main
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import (
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"encoding/json"
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"flag"
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"html/template"
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"math/rand"
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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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const (
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Ver = "1.0.0-dev" // 当前 Wide 版本
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)
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// Wide 中唯一一个 init 函数.
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func init() {
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// TODO:默认启动参数
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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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// 加载事件处理
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event.Load()
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// 加载配置
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conf.Load()
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// 定时检查运行环境
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conf.FixedTimeCheckEnv()
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// 定时保存配置
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conf.FixedTimeSave()
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// 定时检查无效会话
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session.FixedTimeRelease()
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}
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// 登录.
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func loginHandler(w http.ResponseWriter, r *http.Request) {
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i18n.Load()
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if "GET" == r.Method {
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// 展示登录页面
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model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r), "ver": Ver}
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t, err := template.ParseFiles("view/login.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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return
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}
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// 非 GET 请求当作是登录请求
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succ := false
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data := map[string]interface{}{"succ": &succ}
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defer util.RetJSON(w, r, data)
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args := struct {
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Username string
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Password string
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}{}
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if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
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glog.Error(err)
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succ = true
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return
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}
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for _, user := range conf.Wide.Users {
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if user.Name == args.Username && user.Password == args.Password {
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succ = true
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}
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}
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if !succ {
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return
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}
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// 创建 HTTP 会话
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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httpSession.Values["username"] = args.Username
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httpSession.Values["id"] = strconv.Itoa(rand.Int())
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httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
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httpSession.Save(r, w)
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glog.Infof("Created a HTTP session [%s] for user [%s]", httpSession.Values["id"].(string), args.Username)
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}
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// 退出（登出）.
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func logoutHandler(w http.ResponseWriter, r *http.Request) {
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data := map[string]interface{}{"succ": true}
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defer util.RetJSON(w, r, data)
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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httpSession.Options.MaxAge = -1
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httpSession.Save(r, w)
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}
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// Wide 首页.
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func indexHandler(w http.ResponseWriter, r *http.Request) {
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i18n.Load()
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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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// 创建一个 Wide 会话
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wideSession := session.WideSessions.New(httpSession)
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username := httpSession.Values["username"].(string)
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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(r), "locale": i18n.GetLocale(r),
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"session": wideSession, "latestSessionContent": userConf.LatestSessionContent,
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"pathSeparator": conf.PathSeparator}
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glog.V(3).Infof("User [%s] has [%d] sessions", username, len(wideSessions))
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t, err := template.ParseFiles("view/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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// 单个文件资源请求处理.
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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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// 起始页请求处理.
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func startHandler(w http.ResponseWriter, r *http.Request) {
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i18n.Load()
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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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userWorkspace := conf.Wide.GetUserWorkspace(username)
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model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r),
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"username": username, "workspace": userWorkspace, "ver": Ver}
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t, err := template.ParseFiles("view/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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// 键盘快捷键页请求处理.
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func keyboardShortcutsHandler(w http.ResponseWriter, r *http.Request) {
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i18n.Load()
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model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r)}
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t, err := template.ParseFiles("view/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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// 关于页请求处理.
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func aboutHandler(w http.ResponseWriter, r *http.Request) {
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i18n.Load()
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model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(r), "locale": i18n.GetLocale(r),
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"ver": Ver}
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t, err := template.ParseFiles("view/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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// 主程序入口.
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func main() {
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runtime.GOMAXPROCS(conf.Wide.MaxProcs)
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defer glog.Flush()
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// IDE
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http.HandleFunc("/login", handlerWrapper(loginHandler))
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http.HandleFunc("/logout", handlerWrapper(logoutHandler))
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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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// 静态资源
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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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// 库资源
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http.Handle("/data/", http.StripPrefix("/data/", http.FileServer(http.Dir("data"))))
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// 会话
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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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// 运行相关
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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/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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// 文件树
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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/search/text", handlerWrapper(file.SearchText))
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// 编辑器
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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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http.HandleFunc("/html/fmt", handlerWrapper(editor.HTMLFmtHandler))
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http.HandleFunc("/json/fmt", handlerWrapper(editor.JSONFmtHandler))
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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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// 通知
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http.HandleFunc("/notification/ws", handlerWrapper(notification.WSHandler))
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// 用户
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http.HandleFunc("/user/new", handlerWrapper(session.AddUser))
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http.HandleFunc("/user/repos/init", handlerWrapper(session.InitGitRepos))
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// 文档
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http.Handle("/doc/", http.StripPrefix("/doc/", http.FileServer(http.Dir("doc"))))
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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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// HTTP Handler 包装，完成共性处理.
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//
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// 共性处理：
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//
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// 1. panic recover
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// 2. 请求计时
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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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return handler
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}
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// Handler 包装请求计时.
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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 处理
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handler(w, r)
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}
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}
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// Handler 包装 recover panic.
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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 处理
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handler(w, r)
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}
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}
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