317 lines
7.3 KiB
Go
317 lines
7.3 KiB
Go
// Copyright (c) 2014, B3log
|
|
//
|
|
// 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
|
|
//
|
|
// http://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"
|
|
"math/rand"
|
|
"net/http"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
"strconv"
|
|
"sync"
|
|
"text/template"
|
|
|
|
"github.com/b3log/wide/conf"
|
|
"github.com/b3log/wide/i18n"
|
|
"github.com/b3log/wide/util"
|
|
"github.com/golang/glog"
|
|
)
|
|
|
|
const (
|
|
UserExists = "user exists"
|
|
UserCreated = "user created"
|
|
UserCreateError = "user create error"
|
|
)
|
|
|
|
// Exclusive lock for adding user.
|
|
var addUserMutex sync.Mutex
|
|
|
|
// PreferenceHandle handles request of preference page.
|
|
func PreferenceHandler(w http.ResponseWriter, r *http.Request) {
|
|
httpSession, _ := HTTPSession.Get(r, "wide-session")
|
|
|
|
if httpSession.IsNew {
|
|
http.Redirect(w, r, "/preference", http.StatusFound)
|
|
|
|
return
|
|
}
|
|
|
|
httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
|
|
httpSession.Save(r, w)
|
|
|
|
username := httpSession.Values["username"].(string)
|
|
user := conf.Wide.GetUser(username)
|
|
|
|
if "GET" == r.Method {
|
|
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 {
|
|
glog.Error(err)
|
|
http.Error(w, err.Error(), 500)
|
|
|
|
return
|
|
}
|
|
|
|
t.Execute(w, model)
|
|
|
|
return
|
|
}
|
|
|
|
// non-GET request as save request
|
|
|
|
succ := true
|
|
data := map[string]interface{}{"succ": &succ}
|
|
defer util.RetJSON(w, r, data)
|
|
|
|
args := struct {
|
|
FontFamily string
|
|
FontSize string
|
|
GoFmt string
|
|
Workspace string
|
|
Username string
|
|
Password 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 {
|
|
glog.Error(err)
|
|
succ = false
|
|
|
|
return
|
|
}
|
|
|
|
user.FontFamily = args.FontFamily
|
|
user.FontSize = args.FontSize
|
|
user.GoFormat = args.GoFmt
|
|
user.Workspace = args.Workspace
|
|
user.Password = args.Password
|
|
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(username)
|
|
|
|
succ = conf.Save()
|
|
}
|
|
|
|
// LoginHandler handles request of user login.
|
|
func LoginHandler(w http.ResponseWriter, r *http.Request) {
|
|
if "GET" == r.Method {
|
|
// show the login page
|
|
|
|
model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(conf.Wide.Locale),
|
|
"locale": conf.Wide.Locale, "ver": conf.WideVersion}
|
|
|
|
t, err := template.ParseFiles("views/login.html")
|
|
|
|
if nil != err {
|
|
glog.Error(err)
|
|
http.Error(w, err.Error(), 500)
|
|
|
|
return
|
|
}
|
|
|
|
t.Execute(w, model)
|
|
|
|
return
|
|
}
|
|
|
|
// non-GET request as login request
|
|
|
|
succ := true
|
|
data := map[string]interface{}{"succ": &succ}
|
|
defer util.RetJSON(w, r, data)
|
|
|
|
args := struct {
|
|
Username string
|
|
Password string
|
|
}{}
|
|
|
|
if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
|
|
glog.Error(err)
|
|
succ = false
|
|
|
|
return
|
|
}
|
|
|
|
succ = false
|
|
for _, user := range conf.Wide.Users {
|
|
if user.Name == args.Username && user.Password == args.Password {
|
|
succ = true
|
|
|
|
break
|
|
}
|
|
}
|
|
|
|
if !succ {
|
|
return
|
|
}
|
|
|
|
// create a HTTP session
|
|
httpSession, _ := HTTPSession.Get(r, "wide-session")
|
|
httpSession.Values["username"] = args.Username
|
|
httpSession.Values["id"] = strconv.Itoa(rand.Int())
|
|
httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
|
|
httpSession.Save(r, w)
|
|
|
|
glog.Infof("Created a HTTP session [%s] for user [%s]", httpSession.Values["id"].(string), args.Username)
|
|
}
|
|
|
|
// LogoutHandler handles request of user logout (exit).
|
|
func LogoutHandler(w http.ResponseWriter, r *http.Request) {
|
|
data := map[string]interface{}{"succ": true}
|
|
defer util.RetJSON(w, r, data)
|
|
|
|
httpSession, _ := HTTPSession.Get(r, "wide-session")
|
|
|
|
httpSession.Options.MaxAge = -1
|
|
httpSession.Save(r, w)
|
|
}
|
|
|
|
// SignUpUser handles request of registering user.
|
|
func SignUpUser(w http.ResponseWriter, r *http.Request) {
|
|
if "GET" == r.Method {
|
|
// show the user sign up page
|
|
|
|
firstUserWorkspace := conf.Wide.GetUserWorkspace(conf.Wide.Users[0].Name)
|
|
dir := filepath.Dir(firstUserWorkspace)
|
|
|
|
model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(conf.Wide.Locale),
|
|
"locale": conf.Wide.Locale, "ver": conf.WideVersion, "dir": dir,
|
|
"pathSeparator": conf.PathSeparator}
|
|
|
|
t, err := template.ParseFiles("views/sign_up.html")
|
|
|
|
if nil != err {
|
|
glog.Error(err)
|
|
http.Error(w, err.Error(), 500)
|
|
|
|
return
|
|
}
|
|
|
|
t.Execute(w, model)
|
|
|
|
return
|
|
}
|
|
|
|
// non-GET request as add user request
|
|
|
|
succ := true
|
|
data := map[string]interface{}{"succ": &succ}
|
|
defer util.RetJSON(w, r, data)
|
|
|
|
var args map[string]interface{}
|
|
|
|
if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
|
|
glog.Error(err)
|
|
succ = false
|
|
|
|
return
|
|
}
|
|
|
|
username := args["username"].(string)
|
|
password := args["password"].(string)
|
|
|
|
msg := addUser(username, password)
|
|
if UserCreated != msg {
|
|
succ = false
|
|
data["msg"] = msg
|
|
}
|
|
}
|
|
|
|
// addUser add a user with the specified username and password.
|
|
//
|
|
// 1. create the user's workspace
|
|
// 2. generate 'Hello, 世界' demo code in the workspace
|
|
// 3. update the user customized configurations, such as style.css
|
|
// 4. serve files of the user's workspace via HTTP
|
|
func addUser(username, password string) string {
|
|
addUserMutex.Lock()
|
|
defer addUserMutex.Unlock()
|
|
|
|
for _, user := range conf.Wide.Users {
|
|
if user.Name == username {
|
|
return UserExists
|
|
}
|
|
}
|
|
|
|
firstUserWorkspace := conf.Wide.GetUserWorkspace(conf.Wide.Users[0].Name)
|
|
dir := filepath.Dir(firstUserWorkspace)
|
|
workspace := filepath.Join(dir, username)
|
|
|
|
newUser := conf.NewUser(username, password, workspace)
|
|
conf.Wide.Users = append(conf.Wide.Users, newUser)
|
|
|
|
if !conf.Save() {
|
|
return UserCreateError
|
|
}
|
|
|
|
conf.CreateWorkspaceDir(workspace)
|
|
helloWorld(workspace)
|
|
conf.UpdateCustomizedConf(username)
|
|
|
|
http.Handle("/workspace/"+username+"/",
|
|
http.StripPrefix("/workspace/"+username+"/", http.FileServer(http.Dir(newUser.GetWorkspace()))))
|
|
|
|
glog.Infof("Created a user [%s]", username)
|
|
|
|
return UserCreated
|
|
}
|
|
|
|
// helloWorld generates the 'Hello, 世界' source code in workspace/src/hello/main.go.
|
|
func helloWorld(workspace string) {
|
|
dir := workspace + conf.PathSeparator + "src" + conf.PathSeparator + "hello"
|
|
if err := os.MkdirAll(dir, 0755); nil != err {
|
|
glog.Error(err)
|
|
|
|
return
|
|
}
|
|
|
|
fout, err := os.Create(dir + conf.PathSeparator + "main.go")
|
|
if nil != err {
|
|
glog.Error(err)
|
|
|
|
os.Exit(-1)
|
|
}
|
|
|
|
fout.WriteString(`package main
|
|
|
|
import "fmt"
|
|
|
|
func main() {
|
|
fmt.Println("Hello, 世界")
|
|
}
|
|
`)
|
|
|
|
fout.Close()
|
|
}
|