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// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package user
import (
"encoding/json"
"errors"
"fmt"
"net/url"
"strings"
"time"
"github.com/gogits/gogs/models"
"github.com/gogits/gogs/modules/log"
"github.com/gogits/gogs/modules/middleware"
"github.com/gogits/gogs/modules/setting"
"github.com/gogits/gogs/modules/social"
)
func extractPath(next string) string {
n, err := url.Parse(next)
if err != nil {
return "/"
}
return n.Path
}
func SocialSignIn(ctx *middleware.Context) {
if setting.OauthService == nil {
ctx.Handle(404, "social.SocialSignIn(oauth service not enabled)", nil)
return
}
next := extractPath(ctx.Query("next"))
name := ctx.Params(":name")
connect, ok := social.SocialMap[name]
if !ok {
ctx.Handle(404, "social.SocialSignIn(social login not enabled)", errors.New(name))
return
}
code := ctx.Query("code")
if code == "" {
// redirect to social login page
connect.SetRedirectUrl(strings.TrimSuffix(setting.AppUrl, "/") + ctx.Req.URL.Path)
ctx.Redirect(connect.AuthCodeURL(next))
return
}
// handle call back
tk, err := connect.Exchange(code)
if err != nil {
ctx.Handle(500, "social.SocialSignIn(Exchange)", err)
return
}
next = extractPath(ctx.Query("state"))
log.Trace("social.SocialSignIn(Got token)")
ui, err := connect.UserInfo(tk, ctx.Req.URL)
if err != nil {
ctx.Handle(500, fmt.Sprintf("social.SocialSignIn(get info from %s)", name), err)
return
}
log.Info("social.SocialSignIn(social login): %s", ui)
oa, err := models.GetOauth2(ui.Identity)
switch err {
case nil:
ctx.Session.Set("uid", oa.User.Id)
ctx.Session.Set("uname", oa.User.Name)
case models.ErrOauth2RecordNotExist:
raw, _ := json.Marshal(tk)
oa = &models.Oauth2{
Uid: -1,
Type: connect.Type(),
Identity: ui.Identity,
Token: string(raw),
}
log.Trace("social.SocialSignIn(oa): %v", oa)
if err = models.AddOauth2(oa); err != nil {
log.Error(4, "social.SocialSignIn(add oauth2): %v", err) // 501
return
}
case models.ErrOauth2NotAssociated:
next = "/user/sign_up"
default:
ctx.Handle(500, "social.SocialSignIn(GetOauth2)", err)
return
}
oa.Updated = time.Now()
if err = models.UpdateOauth2(oa); err != nil {
log.Error(4, "UpdateOauth2: %v", err)
}
ctx.Session.Set("socialId", oa.Id)
ctx.Session.Set("socialName", ui.Name)
ctx.Session.Set("socialEmail", ui.Email)
log.Trace("social.SocialSignIn(social ID): %v", oa.Id)
ctx.Redirect(next)
}
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