wide/session/users.go

217 lines
5.5 KiB
Go

// Copyright (c) 2014-present, b3log.org
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package session
import (
"encoding/json"
"net/http"
"path/filepath"
"runtime"
"strings"
"sync"
"text/template"
"time"
"github.com/b3log/wide/conf"
"github.com/b3log/wide/i18n"
"github.com/b3log/wide/util"
)
const (
// TODO: i18n
userExists = "user exists"
userCreated = "user created"
userCreateError = "user create error"
)
// Exclusive lock for adding user.
var addUserMutex sync.Mutex
// PreferenceHandler handles request of preference page.
func PreferenceHandler(w http.ResponseWriter, r *http.Request) {
httpSession, _ := HTTPSession.Get(r, CookieName)
if httpSession.IsNew {
http.Redirect(w, r, "/login", http.StatusFound)
return
}
httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
httpSession.Save(r, w)
uid := httpSession.Values["uid"].(string)
user := conf.GetUser(uid)
if "GET" == r.Method {
tmpLinux := user.GoBuildArgsForLinux
tmpWindows := user.GoBuildArgsForWindows
tmpDarwin := user.GoBuildArgsForDarwin
user.GoBuildArgsForLinux = strings.Replace(user.GoBuildArgsForLinux, `"`, `"`, -1)
user.GoBuildArgsForWindows = strings.Replace(user.GoBuildArgsForWindows, `"`, `"`, -1)
user.GoBuildArgsForDarwin = strings.Replace(user.GoBuildArgsForDarwin, `"`, `"`, -1)
model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(user.Locale), "user": user,
"ver": conf.WideVersion, "goos": runtime.GOOS, "goarch": runtime.GOARCH, "gover": runtime.Version(),
"locales": i18n.GetLocalesNames(), "gofmts": util.Go.GetGoFormats(),
"themes": conf.GetThemes(), "editorThemes": conf.GetEditorThemes()}
t, err := template.ParseFiles("views/preference.html")
if nil != err {
logger.Error(err)
http.Error(w, err.Error(), http.StatusInternalServerError)
user.GoBuildArgsForLinux = tmpLinux
user.GoBuildArgsForWindows = tmpWindows
user.GoBuildArgsForDarwin = tmpDarwin
return
}
t.Execute(w, model)
user.GoBuildArgsForLinux = tmpLinux
user.GoBuildArgsForWindows = tmpWindows
user.GoBuildArgsForDarwin = tmpDarwin
return
}
// non-GET request as save request
result := util.NewResult()
defer util.RetResult(w, r, result)
args := struct {
FontFamily string
FontSize string
GoFmt string
GoBuildArgsForLinux string
GoBuildArgsForWindows string
GoBuildArgsForDarwin string
Keymap string
Workspace string
Username string
Locale string
Theme string
EditorFontFamily string
EditorFontSize string
EditorLineHeight string
EditorTheme string
EditorTabSize string
}{}
if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
logger.Error(err)
result.Succ = false
return
}
user.FontFamily = args.FontFamily
user.FontSize = args.FontSize
user.GoFormat = args.GoFmt
user.GoBuildArgsForLinux = args.GoBuildArgsForLinux
user.GoBuildArgsForWindows = args.GoBuildArgsForWindows
user.GoBuildArgsForDarwin = args.GoBuildArgsForDarwin
user.Keymap = args.Keymap
// XXX: disallow change workspace at present
// user.Workspace = args.Workspace
user.Locale = args.Locale
user.Theme = args.Theme
user.Editor.FontFamily = args.EditorFontFamily
user.Editor.FontSize = args.EditorFontSize
user.Editor.LineHeight = args.EditorLineHeight
user.Editor.Theme = args.EditorTheme
user.Editor.TabSize = args.EditorTabSize
conf.UpdateCustomizedConf(uid)
now := time.Now().UnixNano()
user.Lived = now
user.Updated = now
result.Succ = user.Save()
}
// FixedTimeSave saves online users' configurations periodically (1 minute).
//
// Main goal of this function is to save user session content, for restoring session content while user open Wide next time.
func FixedTimeSave() {
go func() {
defer util.Recover()
for _ = range time.Tick(time.Minute) {
SaveOnlineUsers()
}
}()
}
// CanAccess determines whether the user specified by the given user id can access the specified path.
func CanAccess(userId, path string) bool {
path = filepath.FromSlash(path)
userWorkspace := conf.GetUserWorkspace(userId)
workspaces := filepath.SplitList(userWorkspace)
for _, workspace := range workspaces {
if strings.HasPrefix(path, workspace) {
return true
}
}
return false
}
// SaveOnlineUsers saves online users' configurations at once.
func SaveOnlineUsers() {
users := getOnlineUsers()
for _, u := range users {
if u.Save() {
logger.Tracef("Saved online user [%s]'s configurations", u.Name)
}
}
}
func getOnlineUsers() []*conf.User {
ret := []*conf.User{}
uids := map[string]string{} // distinct uid
for _, s := range WideSessions {
uids[s.UserId] = s.UserId
}
for _, uid := range uids {
u := conf.GetUser(uid)
if "playground" == uid { // user [playground] is a reserved mock user
continue
}
if nil == u {
logger.Warnf("Not found user [%s]", uid)
continue
}
ret = append(ret, u)
}
return ret
}