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account.go
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account.go
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/*
处理用户相关的操作,注册,登录,验证,等等
*/
package gopher
import (
"crypto/md5"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"os"
"path/filepath"
"strings"
"time"
"github.com/bradrydzewski/go.auth"
"github.com/gorilla/mux"
"github.com/gorilla/sessions"
"github.com/jimmykuu/gt-go-sdk"
"github.com/jimmykuu/webhelpers"
"github.com/jimmykuu/wtforms"
"github.com/pborman/uuid"
"gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
)
var defaultAvatars = []string{
"gopher_aqua.jpg",
"gopher_boy.jpg",
"gopher_brown.jpg",
"gopher_gentlemen.jpg",
"gopher_girl.jpg",
"gopher_strawberry_bg.jpg",
"gopher_strawberry.jpg",
"gopher_teal.jpg",
}
const (
GITHUB_PICTURE = "github_picture"
GITHUB_ID = "github_id"
GITHUB_LINK = "github_link"
GITHUB_EMAIL = "github_email"
GITHUB_NAME = "github_name"
GITHUB_ORG = "github_org"
GITHUB_PROVIDER = "github_provider"
)
//init 在config.go下,因为这个文件的init调用比config慢
var githubHandler *auth.AuthHandler
// 生成users.json字符串
func generateUsersJson(db *mgo.Database) {
var users []User
c := db.C(USERS)
err := c.Find(nil).All(&users)
if err != nil {
panic(err)
}
var usernames []string
for _, user := range users {
usernames = append(usernames, user.Username)
}
b, err := json.Marshal(usernames)
if err != nil {
panic(err)
}
usersJson = b
}
// 加密密码,md5(md5(password + salt) + public_salt)
func encryptPassword(password, salt string) string {
saltedPassword := fmt.Sprintf("%x", md5.Sum([]byte(password))) + salt
md5SaltedPassword := fmt.Sprintf("%x", md5.Sum([]byte(saltedPassword)))
return fmt.Sprintf("%x", md5.Sum([]byte(md5SaltedPassword+Config.PublicSalt)))
}
// 返回当前用户
func currentUser(handler *Handler) (*User, bool) {
r := handler.Request
session, _ := store.Get(r, "user")
username, ok := session.Values["username"]
if !ok {
return nil, false
}
username = username.(string)
user := User{}
c := handler.DB.C(USERS)
// 检查用户名
err := c.Find(bson.M{"username": username}).One(&user)
if err != nil {
return nil, false
}
return &user, true
}
// URL: /auth/login
func authLoginHandler(handler *Handler) {
githubHandler.ServeHTTP(handler.ResponseWriter, handler.Request)
}
// wrapAuthHandler返回符合 go.auth包要求签名的函数.
func wrapAuthHandler(handler *Handler) func(w http.ResponseWriter, r *http.Request, u auth.User) {
return func(w http.ResponseWriter, r *http.Request, u auth.User) {
c := handler.DB.C(USERS)
user := User{}
session, _ := store.Get(r, "user")
c.Find(bson.M{"username": u.Id()}).One(&user)
//关联github帐号,直接登录
if user.Provider == GITHUB_COM {
session.Values["username"] = user.Username
session.Save(r, w)
http.Redirect(w, r, "/", http.StatusSeeOther)
}
form := wtforms.NewForm(wtforms.NewTextField("username", "用户名", "", wtforms.Required{}),
wtforms.NewPasswordField("password", "密码", wtforms.Required{}))
session.Values[GITHUB_EMAIL] = u.Email()
session.Values[GITHUB_ID] = u.Id()
session.Values[GITHUB_LINK] = u.Link()
session.Values[GITHUB_NAME] = u.Name()
session.Values[GITHUB_ORG] = u.Org()
session.Values[GITHUB_PICTURE] = u.Picture()
session.Values[GITHUB_PROVIDER] = u.Provider()
session.Save(r, w)
//关联已有帐号
if handler.Request.Method == "POST" {
if form.Validate(handler.Request) {
user := User{}
err := c.Find(bson.M{"username": form.Value("username")}).One(&user)
if err != nil {
form.AddError("username", "该用户不存在")
handler.renderTemplate("accoun/auth_login.html", BASE, map[string]interface{}{"form": form})
return
}
if user.Password != encryptPassword(form.Value("password"), user.Salt) {
form.AddError("password", "密码和用户名不匹配")
handler.renderTemplate("account/auth_login.html", BASE, map[string]interface{}{"form": form})
return
}
c.UpdateId(user.Id_, bson.M{"$set": bson.M{
"emal": session.Values[GITHUB_EMAIL],
"accountref": session.Values[GITHUB_NAME],
"username": session.Values[GITHUB_ID],
"idref": session.Values[GITHUB_ID],
"linkref": session.Values[GITHUB_LINK],
"orgref": session.Values[GITHUB_ORG],
"pictureref": session.Values[GITHUB_PICTURE],
"provider": session.Values[GITHUB_PROVIDER],
}})
deleteGithubValues(session)
session.Values["username"] = u.Name()
session.Save(r, w)
http.Redirect(handler.ResponseWriter, handler.Request, "/", http.StatusFound)
}
}
handler.renderTemplate("account/auth_login.html", BASE, map[string]interface{}{"form": form})
}
}
// URL: /auth/signup
func authSignupHandler(handler *Handler) {
fn := auth.SecureUser(wrapAuthHandler(handler))
fn.ServeHTTP(handler.ResponseWriter, handler.Request)
}
// URL: /signup
// 处理用户注册,要求输入用户名,密码和邮箱
func signupHandler(handler *Handler) {
// 如果已经登录了,跳转到首页
_, has := currentUser(handler)
if has {
handler.Redirect("/")
}
geeTest := geetest.NewGeeTest(Config.GtCaptchaId, Config.GtPrivateKey)
var username string
var email string
session, _ := store.Get(handler.Request, "user")
if handler.Request.Method == "GET" {
//如果是从新建关联过来的就自动填充字段
if session.Values[GITHUB_PROVIDER] == GITHUB_COM {
username = session.Values[GITHUB_ID].(string)
email = session.Values[GITHUB_EMAIL].(string)
}
}
form := wtforms.NewForm(
wtforms.NewTextField("username", "用户名", username, wtforms.Required{}, wtforms.Regexp{Expr: `^[a-zA-Z0-9_]{3,16}$`, Message: "请使用a-z, A-Z, 0-9以及下划线, 长度3-16之间"}),
wtforms.NewPasswordField("password", "密码", wtforms.Required{}),
wtforms.NewTextField("email", "电子邮件", email, wtforms.Required{}, wtforms.Email{}),
wtforms.NewTextField("geetest_challenge", "challenge", ""),
wtforms.NewTextField("geetest_validate", "validate", ""),
wtforms.NewTextField("geetest_seccode", "seccode", ""),
)
if handler.Request.Method == "POST" {
if form.Validate(handler.Request) {
// 检查验证码
if !geeTest.Validate(form.Value("geetest_challenge"), form.Value("geetest_validate"), form.Value("geetest_seccode")) {
handler.renderTemplate("account/signup.html", BASE, map[string]interface{}{
"form": form,
"gtUrl": geeTest.EmbedURL(),
"captchaErr": true,
})
return
}
c := handler.DB.C(USERS)
result := User{}
// 检查用户名
err := c.Find(bson.M{"username": form.Value("username")}).One(&result)
if err == nil {
form.AddError("username", "该用户名已经被注册")
handler.renderTemplate("account/signup.html", BASE, map[string]interface{}{
"form": form,
"gtUrl": geeTest.EmbedURL(),
})
return
}
// 检查邮箱
err = c.Find(bson.M{"email": form.Value("email")}).One(&result)
if err == nil {
form.AddError("email", "电子邮件地址已经被注册")
handler.renderTemplate("account/signup.html", BASE, map[string]interface{}{
"form": form,
"gtUrl": geeTest.EmbedURL(),
})
return
}
c2 := handler.DB.C(STATUS)
var status Status
c2.Find(nil).One(&status)
id := bson.NewObjectId()
username := form.Value("username")
validateCode := strings.Replace(uuid.NewUUID().String(), "-", "", -1)
salt := strings.Replace(uuid.NewUUID().String(), "-", "", -1)
index := status.UserIndex + 1
u := &User{
Id_: id,
Username: username,
Password: encryptPassword(form.Value("password"), salt),
Avatar: "",
Salt: salt,
Email: form.Value("email"),
ValidateCode: validateCode,
IsActive: true,
JoinedAt: time.Now(),
Index: index,
}
if session.Values[GITHUB_PROVIDER] == GITHUB_COM {
u.GetGithubValues(session)
defer deleteGithubValues(session)
}
err = c.Insert(u)
if err != nil {
logger.Println(err)
return
}
// 从 http://identicon.relucks.org 下载头像作为用户的默认头像
go func() {
res, err := http.Get(fmt.Sprintf("http://identicon.relucks.org/%s?size=400", username))
if err != nil {
logger.Println("下载头像错误:", err)
}
defer res.Body.Close()
var filename = filepath.Join(Config.ImagePath, "avatar", username+".png")
file, err := os.Create(filename)
if err != nil {
logger.Printf("创建文件 %s 失败: %s\n", filename, err.Error())
}
io.Copy(file, res.Body)
}()
c2.Update(nil, bson.M{"$inc": bson.M{"userindex": 1, "usercount": 1}})
// 重新生成users.json字符串
generateUsersJson(handler.DB)
// 注册成功后设成登录状态
session, _ := store.Get(handler.Request, "user")
session.Values["username"] = username
session.Save(handler.Request, handler.ResponseWriter)
// 跳到修改用户信息页面
handler.redirect("/user_center/edit_info", http.StatusFound)
return
}
}
handler.renderTemplate("account/signup.html", BASE, map[string]interface{}{
"form": form,
"gtUrl": geeTest.EmbedURL(),
})
}
// URL: /activate/{code}
// 用户根据邮件中的链接进行验证,根据code找到是否有对应的用户,如果有,修改User.IsActive为true
func activateHandler(handler *Handler) {
vars := mux.Vars(handler.Request)
code := vars["code"]
var user User
c := handler.DB.C(USERS)
err := c.Find(bson.M{"validatecode": code}).One(&user)
if err != nil {
message(handler, "没有该验证码", "请检查连接是否正确", "error")
return
}
c.Update(bson.M{"_id": user.Id_}, bson.M{"$set": bson.M{"isactive": true, "validatecode": ""}})
c = handler.DB.C(STATUS)
var status Status
c.Find(nil).One(&status)
c.Update(bson.M{"_id": status.Id_}, bson.M{"$inc": bson.M{"usercount": 1}})
message(handler, "通过验证", `恭喜你通过验证,请 <a href="/signin">登录</a>.`, "success")
}
// URL: /signin
// 处理用户登录,如果登录成功,设置Cookie
func signinHandler(handler *Handler) {
// 如果已经登录了,跳转到首页
_, has := currentUser(handler)
if has {
handler.Redirect("/")
}
next := handler.Request.FormValue("next")
form := wtforms.NewForm(
wtforms.NewHiddenField("next", next),
wtforms.NewTextField("username", "用户名/邮箱", "", &wtforms.Required{}),
wtforms.NewPasswordField("password", "密码", &wtforms.Required{}),
wtforms.NewTextField("geetest_challenge", "challenge", ""),
wtforms.NewTextField("geetest_validate", "validate", ""),
wtforms.NewTextField("geetest_seccode", "seccode", ""),
)
geeTest := geetest.NewGeeTest(Config.GtCaptchaId, Config.GtPrivateKey)
if handler.Request.Method == "POST" {
if form.Validate(handler.Request) {
// 检查验证码
if !geeTest.Validate(form.Value("geetest_challenge"), form.Value("geetest_validate"), form.Value("geetest_seccode")) {
handler.renderTemplate("account/signin.html", BASE, map[string]interface{}{
"form": form,
"gtUrl": geeTest.EmbedURL(),
"captchaErr": true,
})
return
}
c := handler.DB.C(USERS)
user := User{}
var err error
if strings.Contains(form.Value("username"), "@") {
err = c.Find(bson.M{"email": form.Value("username")}).One(&user)
} else {
err = c.Find(bson.M{"username": form.Value("username")}).One(&user)
}
if err != nil {
form.AddError("username", "该用户不存在")
handler.renderTemplate("account/signin.html", BASE, map[string]interface{}{
"form": form,
"gtUrl": geeTest.EmbedURL(),
})
return
}
if !user.IsActive {
form.AddError("username", "邮箱没有经过验证,如果没有收到邮件,请联系管理员")
handler.renderTemplate("account/signin.html", BASE, map[string]interface{}{
"form": form,
"gtUrl": geeTest.EmbedURL(),
})
return
}
if !user.CheckPassword(form.Value("password")) {
form.AddError("password", "密码和用户名不匹配")
handler.renderTemplate("account/signin.html", BASE, map[string]interface{}{
"form": form,
"gtUrl": geeTest.EmbedURL(),
})
return
}
session, _ := store.Get(handler.Request, "user")
session.Values["username"] = user.Username
session.Save(handler.Request, handler.ResponseWriter)
if form.Value("next") == "" {
http.Redirect(handler.ResponseWriter, handler.Request, "/", http.StatusFound)
} else {
http.Redirect(handler.ResponseWriter, handler.Request, next, http.StatusFound)
}
return
}
}
handler.renderTemplate("account/signin.html", BASE, map[string]interface{}{
"form": form,
"gtUrl": geeTest.EmbedURL(),
})
}
// URL: /signout
// 用户登出,清除Cookie
func signoutHandler(handler *Handler) {
session, _ := store.Get(handler.Request, "user")
session.Options = &sessions.Options{MaxAge: -1}
session.Save(handler.Request, handler.ResponseWriter)
handler.renderTemplate("account/signout.html", BASE, map[string]interface{}{"signout": true})
}
func followHandler(handler *Handler) {
vars := mux.Vars(handler.Request)
username := vars["username"]
currUser, _ := currentUser(handler)
//不能关注自己
if currUser.Username == username {
message(handler, "提示", "不能关注自己", "error")
return
}
user := User{}
c := handler.DB.C(USERS)
err := c.Find(bson.M{"username": username}).One(&user)
if err != nil {
message(handler, "关注的会员未找到", "关注的会员未找到", "error")
return
}
if user.IsFollowedBy(currUser.Username) {
message(handler, "你已经关注该会员", "你已经关注该会员", "error")
return
}
c.Update(bson.M{"_id": user.Id_}, bson.M{"$push": bson.M{"fans": currUser.Username}})
c.Update(bson.M{"_id": currUser.Id_}, bson.M{"$push": bson.M{"follow": user.Username}})
http.Redirect(handler.ResponseWriter, handler.Request, "/member/"+user.Username, http.StatusFound)
}
func unfollowHandler(handler *Handler) {
vars := mux.Vars(handler.Request)
username := vars["username"]
currUser, _ := currentUser(handler)
//不能取消关注自己
if currUser.Username == username {
message(handler, "提示", "不能对自己进行操作", "error")
return
}
user := User{}
c := handler.DB.C(USERS)
err := c.Find(bson.M{"username": username}).One(&user)
if err != nil {
message(handler, "没有该会员", "没有该会员", "error")
return
}
if !user.IsFollowedBy(currUser.Username) {
message(handler, "不能取消关注", "该会员不是你的粉丝,不能取消关注", "error")
return
}
c.Update(bson.M{"_id": user.Id_}, bson.M{"$pull": bson.M{"fans": currUser.Username}})
c.Update(bson.M{"_id": currUser.Id_}, bson.M{"$pull": bson.M{"follow": user.Username}})
http.Redirect(handler.ResponseWriter, handler.Request, "/member/"+user.Username, http.StatusFound)
}
// URL: /forgot_password
// 忘记密码,输入用户名和邮箱,如果匹配,发出邮件
func forgotPasswordHandler(handler *Handler) {
form := wtforms.NewForm(
wtforms.NewTextField("username_or_email", "用户名或邮箱", "", wtforms.Required{}),
)
if handler.Request.Method == "POST" {
if form.Validate(handler.Request) {
var user User
c := handler.DB.C(USERS)
err := c.Find(bson.M{"$or": []bson.M{bson.M{"username": form.Value("username_or_email")}, bson.M{"email": form.Value("username_or_email")}}}).One(&user)
if err != nil {
form.AddError("username_or_email", "没有该用户")
} else {
message2 := `Hi %s,<br>
我们的系统收到一个请求,说你希望通过电子邮件重新设置你在 Golang中国 的密码。你可以点击下面的链接开始重设密码:
<a href="%s/reset/%s">%s/reset/%s</a><br>
如果这个请求不是由你发起的,那没问题,你不用担心,你可以安全地忽略这封邮件。
如果你有任何疑问,可以回复<a href="mailto:support@golangtc.com">support@golangtc.com</a>向我提问。`
code := strings.Replace(uuid.NewUUID().String(), "-", "", -1)
c.Update(bson.M{"_id": user.Id_}, bson.M{"$set": bson.M{"resetcode": code}})
message2 = fmt.Sprintf(message2, user.Username, Config.Host, code, Config.Host, code)
if Config.SendMailPath == "" {
webhelpers.SendMail(
"[Golang中国]重设密码",
message2,
Config.FromEmail,
[]string{user.Email},
webhelpers.SmtpConfig{
Username: Config.SmtpUsername,
Password: Config.SmtpPassword,
Host: Config.SmtpHost,
Addr: Config.SmtpAddr,
},
true,
)
} else {
webhelpers.SendMailExec(
"[Golang 中国]重设密码",
message2,
Config.FromEmail,
[]string{user.Email},
Config.SendMailPath,
true,
)
}
message(handler, "通过电子邮件重设密码", "一封包含了重设密码指令的邮件已经发送到你的注册邮箱,按照邮件中的提示,即可重设你的密码。", "success")
return
}
}
}
handler.renderTemplate("account/forgot_password.html", BASE, map[string]interface{}{"form": form})
}
// URL: /reset/{code}
// 用户点击邮件中的链接,根据code找到对应的用户,设置新密码,修改完成后清除code
func resetPasswordHandler(handler *Handler) {
vars := mux.Vars(handler.Request)
code := vars["code"]
var user User
c := handler.DB.C(USERS)
err := c.Find(bson.M{"resetcode": code}).One(&user)
if err != nil {
message(handler, "重设密码", `无效的重设密码标记,可能你已经重新设置过了或者链接已经失效,请通过<a href="/forgot_password">忘记密码</a>进行重设密码`, "error")
return
}
form := wtforms.NewForm(
wtforms.NewPasswordField("new_password", "新密码", wtforms.Required{}),
wtforms.NewPasswordField("confirm_password", "确认新密码", wtforms.Required{}),
)
if handler.Request.Method == "POST" && form.Validate(handler.Request) {
if form.Value("new_password") == form.Value("confirm_password") {
salt := strings.Replace(uuid.NewUUID().String(), "-", "", -1)
c.Update(
bson.M{"_id": user.Id_},
bson.M{
"$set": bson.M{
"password": encryptPassword(form.Value("new_password"), salt),
"salt": salt,
"resetcode": "",
},
},
)
message(handler, "重设密码成功", `密码重设成功,你现在可以 <a href="/signin" class="btn btn-primary">登录</a> 了`, "success")
return
} else {
form.AddError("confirm_password", "密码不匹配")
}
}
handler.renderTemplate("account/reset_password.html", BASE, map[string]interface{}{"form": form, "code": code, "account": user.Username})
}
type Sizer interface {
Size() int64
}
// 保存头像文件,并返回文件名
func saveAvatar(formFile io.Reader, contentType string) (filename string, err error) {
isValidateType := false
for _, imgType := range []string{"image/png", "image/jpeg"} {
if imgType == contentType {
isValidateType = true
break
}
}
if !isValidateType {
return "", errors.New("文件类型错误")
}
filenameExtension := ".jpg"
if contentType == "image/png" {
filenameExtension = ".png"
}
// 文件名:32位uuid,不带减号和后缀组成
filename = strings.Replace(uuid.NewUUID().String(), "-", "", -1) + filenameExtension
file, err := os.Create(filepath.Join(Config.ImagePath, "avatar", filename))
if err != nil {
logger.Println("创建头像文件失败: ", err.Error())
}
io.Copy(file, formFile)
return filename, nil
}
// URL: /users.json
// 获取所有用户的json列表
func usersJsonHandler(handler *Handler) {
handler.ResponseWriter.Write(usersJson)
}
// URL: /user/blocked
// 提示被禁言标志
func blockedHandler(handler *Handler) {
handler.renderTemplate("account/blocked.html", BASE, map[string]interface{}{})
}
// URL: /account/{username}/block
// 设置某个账户为禁言
func blockAccountHandler(handler *Handler) {
username := mux.Vars(handler.Request)["username"]
c := handler.DB.C(USERS)
c.Update(bson.M{"username": username}, bson.M{"$set": bson.M{"is_blocked": true}})
handler.Redirect("/member/" + username)
}
// URL: /account/{username}/delete_all_topics
// 删除账户的所有主题
func deleteAccountAllTopicsHandler(handler *Handler) {
username := mux.Vars(handler.Request)["username"]
user := User{}
c := handler.DB.C(USERS)
err := c.Find(bson.M{"username": username}).One(&user)
if err != nil {
message(handler, "没有该会员", "没有该会员", "error")
return
}
c = handler.DB.C(CONTENTS)
c.RemoveAll(bson.M{"content.createdby": user.Id_})
handler.Redirect("/member/" + username)
}