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package controller
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"net/http"
"strconv"
"time"
"github.com/QuantumNous/new-api/common"
"github.com/QuantumNous/new-api/model"
"github.com/gin-contrib/sessions"
"github.com/gin-gonic/gin"
)
type GitHubOAuthResponse struct {
AccessToken string `json:"access_token"`
Scope string `json:"scope"`
TokenType string `json:"token_type"`
}
type GitHubUser struct {
Login string `json:"login"`
Name string `json:"name"`
Email string `json:"email"`
}
func getGitHubUserInfoByCode(code string) (*GitHubUser, error) {
if code == "" {
return nil, errors.New("无效的参数")
}
values := map[string]string{"client_id": common.GitHubClientId, "client_secret": common.GitHubClientSecret, "code": code}
jsonData, err := json.Marshal(values)
if err != nil {
return nil, err
}
req, err := http.NewRequest("POST", "https://github.com/login/oauth/access_token", bytes.NewBuffer(jsonData))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
req.Header.Set("Accept", "application/json")
client := http.Client{
Timeout: 20 * time.Second,
}
res, err := client.Do(req)
if err != nil {
common.SysLog(err.Error())
return nil, errors.New("无法连接至 GitHub 服务器，请稍后重试！")
}
defer res.Body.Close()
var oAuthResponse GitHubOAuthResponse
err = json.NewDecoder(res.Body).Decode(&oAuthResponse)
if err != nil {
return nil, err
}
req, err = http.NewRequest("GET", "https://api.github.com/user", nil)
if err != nil {
return nil, err
}
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", oAuthResponse.AccessToken))
res2, err := client.Do(req)
if err != nil {
common.SysLog(err.Error())
return nil, errors.New("无法连接至 GitHub 服务器，请稍后重试！")
}
defer res2.Body.Close()
var githubUser GitHubUser
err = json.NewDecoder(res2.Body).Decode(&githubUser)
if err != nil {
return nil, err
}
if githubUser.Login == "" {
return nil, errors.New("返回值非法，用户字段为空，请稍后重试！")
}
return &githubUser, nil
}
func GitHubOAuth(c *gin.Context) {
session := sessions.Default(c)
state := c.Query("state")
if state == "" || session.Get("oauth_state") == nil || state != session.Get("oauth_state").(string) {
c.JSON(http.StatusForbidden, gin.H{
"success": false,
"message": "state is empty or not same",
})
return
}
username := session.Get("username")
if username != nil {
GitHubBind(c)
return
}
if !common.GitHubOAuthEnabled {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "管理员未开启通过 GitHub 登录以及注册",
})
return
}
code := c.Query("code")
githubUser, err := getGitHubUserInfoByCode(code)
if err != nil {
common.ApiError(c, err)
return
}
user := model.User{
GitHubId: githubUser.Login,
}
// IsGitHubIdAlreadyTaken is unscoped
if model.IsGitHubIdAlreadyTaken(user.GitHubId) {
// FillUserByGitHubId is scoped
err := user.FillUserByGitHubId()
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
// if user.Id == 0 , user has been deleted
if user.Id == 0 {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "用户已注销",
})
return
}
} else {
if common.RegisterEnabled {
user.Username = "github_" + strconv.Itoa(model.GetMaxUserId()+1)
if githubUser.Name != "" {
user.DisplayName = githubUser.Name
} else {
user.DisplayName = "GitHub User"
}
user.Email = githubUser.Email
user.Role = common.RoleCommonUser
user.Status = common.UserStatusEnabled
affCode := session.Get("aff")
inviterId := 0
if affCode != nil {
inviterId, _ = model.GetUserIdByAffCode(affCode.(string))
}
if err := user.Insert(inviterId); err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
} else {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "管理员关闭了新用户注册",
})
return
}
}
if user.Status != common.UserStatusEnabled {
c.JSON(http.StatusOK, gin.H{
"message": "用户已被封禁",
"success": false,
})
return
}
setupLogin(&user, c)
}
func GitHubBind(c *gin.Context) {
if !common.GitHubOAuthEnabled {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "管理员未开启通过 GitHub 登录以及注册",
})
return
}
code := c.Query("code")
githubUser, err := getGitHubUserInfoByCode(code)
if err != nil {
common.ApiError(c, err)
return
}
user := model.User{
GitHubId: githubUser.Login,
}
if model.IsGitHubIdAlreadyTaken(user.GitHubId) {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "该 GitHub 账户已被绑定",
})
return
}
session := sessions.Default(c)
id := session.Get("id")
// id := c.GetInt("id") // critical bug!
user.Id = id.(int)
err = user.FillUserById()
if err != nil {
common.ApiError(c, err)
return
}
user.GitHubId = githubUser.Login
err = user.Update(false)
if err != nil {
common.ApiError(c, err)
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "bind",
})
return
}