mirror of
https://github.com/go-gitea/gitea
synced 2024-08-20 14:21:21 +02:00
158 lines
3.7 KiB
Go
158 lines
3.7 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package user
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import (
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"encoding/json"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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"code.google.com/p/goauth2/oauth"
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"github.com/gogits/gogs/models"
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"github.com/gogits/gogs/modules/base"
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"github.com/gogits/gogs/modules/log"
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"github.com/gogits/gogs/modules/middleware"
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"github.com/gogits/gogs/modules/oauth2"
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)
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type SocialConnector interface {
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Identity() string
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Name() string
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Email() string
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TokenString() string
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}
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type SocialGithub struct {
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data struct {
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Id int `json:"id"`
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Name string `json:"login"`
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Email string `json:"email"`
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}
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Token *oauth.Token
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}
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func (s *SocialGithub) Identity() string {
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return strconv.Itoa(s.data.Id)
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}
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func (s *SocialGithub) Name() string {
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return s.data.Name
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}
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func (s *SocialGithub) Email() string {
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return s.data.Email
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}
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func (s *SocialGithub) TokenString() string {
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data, _ := json.Marshal(s.Token)
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return string(data)
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}
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// Github API refer: https://developer.github.com/v3/users/
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func (s *SocialGithub) Update() error {
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scope := "https://api.github.com/user"
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transport := &oauth.Transport{
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Token: s.Token,
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}
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log.Debug("update github info")
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r, err := transport.Client().Get(scope)
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if err != nil {
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return err
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}
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defer r.Body.Close()
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return json.NewDecoder(r.Body).Decode(&s.data)
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}
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func extractPath(next string) string {
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n, err := url.Parse(next)
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if err != nil {
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return "/"
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}
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return n.Path
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}
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// github && google && ...
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func SocialSignIn(ctx *middleware.Context, tokens oauth2.Tokens) {
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var socid int64
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var ok bool
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next := extractPath(ctx.Query("next"))
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log.Debug("social signed check %s", next)
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if socid, ok = ctx.Session.Get("socialId").(int64); ok && socid != 0 {
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// already login
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ctx.Redirect(next)
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log.Info("login soc id: %v", socid)
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return
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}
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config := &oauth.Config{
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ClientId: base.OauthService.GitHub.ClientId,
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ClientSecret: base.OauthService.GitHub.ClientSecret,
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RedirectURL: strings.TrimSuffix(base.AppUrl, "/") + ctx.Req.URL.RequestURI(),
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Scope: base.OauthService.GitHub.Scopes,
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AuthURL: "https://github.com/login/oauth/authorize",
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TokenURL: "https://github.com/login/oauth/access_token",
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}
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transport := &oauth.Transport{
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Config: config,
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Transport: http.DefaultTransport,
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}
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code := ctx.Query("code")
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if code == "" {
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// redirect to social login page
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ctx.Redirect(config.AuthCodeURL(next))
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return
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}
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// handle call back
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tk, err := transport.Exchange(code)
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if err != nil {
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log.Error("oauth2 handle callback error: %v", err)
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return // FIXME, need error page 501
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}
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next = extractPath(ctx.Query("state"))
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log.Debug("success token: %v", tk)
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gh := &SocialGithub{Token: tk}
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if err = gh.Update(); err != nil {
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// FIXME: handle error page 501
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log.Error("connect with github error: %s", err)
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return
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}
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var soc SocialConnector = gh
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log.Info("login: %s", soc.Name())
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oa, err := models.GetOauth2(soc.Identity())
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switch err {
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case nil:
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ctx.Session.Set("userId", oa.User.Id)
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ctx.Session.Set("userName", oa.User.Name)
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case models.ErrOauth2RecordNotExists:
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oa = &models.Oauth2{}
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oa.Uid = -1
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oa.Type = models.OT_GITHUB
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oa.Token = soc.TokenString()
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oa.Identity = soc.Identity()
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log.Debug("oa: %v", oa)
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if err = models.AddOauth2(oa); err != nil {
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log.Error("add oauth2 %v", err) // 501
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return
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}
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case models.ErrOauth2NotAssociatedWithUser:
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ctx.Session.Set("socialName", soc.Name())
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ctx.Session.Set("socialEmail", soc.Email())
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ctx.Session.Set("socialId", oa.Id)
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ctx.Redirect("/user/sign_up")
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return
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default:
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log.Error(err.Error()) // FIXME: handle error page
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return
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}
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ctx.Session.Set("socialId", oa.Id)
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log.Debug("socialId: %v", oa.Id)
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ctx.Redirect(next)
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}
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