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117 lines
2.8 KiB
117 lines
2.8 KiB
// 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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"fmt"
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"net/url"
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"strings"
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"code.google.com/p/goauth2/oauth"
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"github.com/go-martini/martini"
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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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)
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type BasicUserInfo struct {
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Identity string
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Name string
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Email string
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}
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type SocialConnector interface {
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Type() int
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SetRedirectUrl(string)
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UserInfo(*oauth.Token) (*BasicUserInfo, error)
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AuthCodeURL(string) string
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Exchange(string) (*oauth.Token, error)
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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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var (
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SocialBaseUrl = "/user/login"
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SocialMap = make(map[string]SocialConnector)
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)
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// github && google && ...
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func SocialSignIn(params martini.Params, ctx *middleware.Context) {
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if base.OauthService == nil || !base.OauthService.GitHub.Enabled {
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ctx.Handle(404, "social login not enabled", nil)
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return
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}
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next := extractPath(ctx.Query("next"))
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name := params["name"]
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connect, ok := SocialMap[name]
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if !ok {
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ctx.Handle(404, "social login", nil)
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return
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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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connect.SetRedirectUrl(strings.TrimSuffix(base.AppUrl, "/") + ctx.Req.URL.RequestURI())
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ctx.Redirect(connect.AuthCodeURL(next))
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return
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}
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// handle call back
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tk, err := connect.Exchange(code) // 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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ctx.Handle(500, "exchange code error", nil)
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return
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}
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next = extractPath(ctx.Query("state"))
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log.Trace("success get token")
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ui, err := connect.UserInfo(tk)
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if err != nil {
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ctx.Handle(500, fmt.Sprintf("get infomation from %s error: %v", name, err), nil)
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log.Error("social connect error: %s", err)
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return
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}
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log.Info("social login: %s", ui)
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oa, err := models.GetOauth2(ui.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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raw, _ := json.Marshal(tk) // json encode
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oa.Token = string(raw)
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oa.Uid = -1
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oa.Type = connect.Type()
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oa.Identity = ui.Identity
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log.Trace("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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next = "/user/sign_up"
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default:
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log.Error("other error: %v", err)
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ctx.Handle(500, err.Error(), nil)
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return
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}
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ctx.Session.Set("socialId", oa.Id)
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ctx.Session.Set("socialName", ui.Name)
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ctx.Session.Set("socialEmail", ui.Email)
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log.Trace("socialId: %v", oa.Id)
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ctx.Redirect(next)
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}
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