mirror of
https://github.com/casdoor/casdoor.git
synced 2025-05-22 18:25:47 +08:00
231 lines
7.0 KiB
Go
231 lines
7.0 KiB
Go
// Copyright 2021 The Casdoor Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package idp
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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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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"time"
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"golang.org/x/oauth2"
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)
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type GiteeIdProvider struct {
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Client *http.Client
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Config *oauth2.Config
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}
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func NewGiteeIdProvider(clientId string, clientSecret string, redirectUrl string) *GiteeIdProvider {
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idp := &GiteeIdProvider{}
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config := idp.getConfig(clientId, clientSecret, redirectUrl)
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idp.Config = config
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return idp
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}
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func (idp *GiteeIdProvider) SetHttpClient(client *http.Client) {
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idp.Client = client
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}
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// getConfig return a point of Config, which describes a typical 3-legged OAuth2 flow
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func (idp *GiteeIdProvider) getConfig(clientId string, clientSecret string, redirectUrl string) *oauth2.Config {
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endpoint := oauth2.Endpoint{
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TokenURL: "https://gitee.com/oauth/token",
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}
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config := &oauth2.Config{
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Scopes: []string{"user_info emails"},
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Endpoint: endpoint,
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ClientID: clientId,
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ClientSecret: clientSecret,
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RedirectURL: redirectUrl,
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}
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return config
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}
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type GiteeAccessToken struct {
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AccessToken string `json:"access_token"`
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TokenType string `json:"token_type"`
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ExpiresIn int `json:"expires_in"`
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RefreshToken string `json:"refresh_token"`
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Scope string `json:"scope"`
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CreatedAt int `json:"created_at"`
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}
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// GetToken use code get access_token (*operation of getting code ought to be done in front)
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// The POST Url format of submission is: https://gitee.com/oauth/token?grant_type=authorization_code&code={code}&client_id={client_id}&redirect_uri={redirect_uri}&client_secret={client_secret}
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// get more detail via: https://gitee.com/api/v5/oauth_doc#/
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func (idp *GiteeIdProvider) GetToken(code string) (*oauth2.Token, error) {
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params := url.Values{}
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params.Add("grant_type", "authorization_code")
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params.Add("client_id", idp.Config.ClientID)
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params.Add("client_secret", idp.Config.ClientSecret)
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params.Add("code", code)
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params.Add("redirect_uri", idp.Config.RedirectURL)
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accessTokenUrl := fmt.Sprintf("%s?%s", idp.Config.Endpoint.TokenURL, params.Encode())
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bs, _ := json.Marshal(params.Encode())
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req, _ := http.NewRequest("POST", accessTokenUrl, strings.NewReader(string(bs)))
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req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36")
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return nil, err
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}
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rbs, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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tokenResp := GiteeAccessToken{}
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if err = json.Unmarshal(rbs, &tokenResp); err != nil {
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return nil, err
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}
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token := &oauth2.Token{
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AccessToken: tokenResp.AccessToken,
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TokenType: tokenResp.TokenType,
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RefreshToken: tokenResp.RefreshToken,
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Expiry: time.Unix(time.Now().Unix()+int64(tokenResp.ExpiresIn), 0),
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}
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return token, nil
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}
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/*
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{
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"id": 999999,
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"login": "xxx",
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"name": "xxx",
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"avatar_url": "https://gitee.com/assets/no_portrait.png",
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"url": "https://gitee.com/api/v5/users/xxx",
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"html_url": "https://gitee.com/xxx",
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"followers_url": "https://gitee.com/api/v5/users/xxx/followers",
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"following_url": "https://gitee.com/api/v5/users/xxx/following_url{/other_user}",
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"gists_url": "https://gitee.com/api/v5/users/xxx/gists{/gist_id}",
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"starred_url": "https://gitee.com/api/v5/users/xxx/starred{/owner}{/repo}",
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"subscriptions_url": "https://gitee.com/api/v5/users/xxx/subscriptions",
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"organizations_url": "https://gitee.com/api/v5/users/xxx/orgs",
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"repos_url": "https://gitee.com/api/v5/users/xxx/repos",
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"events_url": "https://gitee.com/api/v5/users/xxx/events{/privacy}",
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"received_events_url": "https://gitee.com/api/v5/users/xxx/received_events",
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"type": "User",
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"blog": null,
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"weibo": null,
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"bio": "个人博客：https://gitee.com/xxx/xxx/pages",
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"public_repos": 2,
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"public_gists": 0,
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"followers": 0,
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"following": 0,
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"stared": 0,
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"watched": 2,
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"created_at": "2019-08-03T23:21:16+08:00",
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"updated_at": "2021-06-14T12:47:09+08:00",
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"email": null
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}
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*/
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type GiteeUserResponse struct {
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AvatarUrl string `json:"avatar_url"`
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Bio string `json:"bio"`
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Blog string `json:"blog"`
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CreatedAt string `json:"created_at"`
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Email string `json:"email"`
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EventsUrl string `json:"events_url"`
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Followers int `json:"followers"`
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FollowersUrl string `json:"followers_url"`
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Following int `json:"following"`
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FollowingUrl string `json:"following_url"`
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GistsUrl string `json:"gists_url"`
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HtmlUrl string `json:"html_url"`
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Id int `json:"id"`
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Login string `json:"login"`
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MemberRole string `json:"member_role"`
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Name string `json:"name"`
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OrganizationsUrl string `json:"organizations_url"`
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PublicGists int `json:"public_gists"`
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PublicRepos int `json:"public_repos"`
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ReceivedEventsUrl string `json:"received_events_url"`
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ReposUrl string `json:"repos_url"`
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Stared int `json:"stared"`
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StarredUrl string `json:"starred_url"`
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SubscriptionsUrl string `json:"subscriptions_url"`
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Type string `json:"type"`
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UpdatedAt string `json:"updated_at"`
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Url string `json:"url"`
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Watched int `json:"watched"`
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Weibo string `json:"weibo"`
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}
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// GetUserInfo Use userid and access_token to get UserInfo
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// get more detail via: https://gitee.com/api/v5/swagger#/getV5User
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func (idp *GiteeIdProvider) GetUserInfo(token *oauth2.Token) (*UserInfo, error) {
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var gtUserInfo GiteeUserResponse
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accessToken := token.AccessToken
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u := fmt.Sprintf("https://gitee.com/api/v5/user?access_token=%s",
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accessToken)
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userinfoResp, err := idp.GetUrlResp(u)
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if err != nil {
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return nil, err
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}
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if err = json.Unmarshal([]byte(userinfoResp), >UserInfo); err != nil {
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return nil, err
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}
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userInfo := UserInfo{
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Id: strconv.Itoa(gtUserInfo.Id),
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Username: gtUserInfo.Name,
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DisplayName: gtUserInfo.Name,
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Email: gtUserInfo.Email,
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AvatarUrl: gtUserInfo.AvatarUrl,
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}
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return &userInfo, nil
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}
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func (idp *GiteeIdProvider) GetUrlResp(url string) (string, error) {
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resp, err := idp.Client.Get(url)
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if err != nil {
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return "", err
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}
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defer func(Body io.ReadCloser) {
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err := Body.Close()
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if err != nil {
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return
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}
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}(resp.Body)
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buf := new(bytes.Buffer)
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_, err = buf.ReadFrom(resp.Body)
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if err != nil {
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return "", err
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}
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return buf.String(), nil
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}
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