mirror of
https://github.com/casdoor/casdoor.git
synced 2025-05-22 18:25:47 +08:00
110 lines
2.7 KiB
Go
110 lines
2.7 KiB
Go
// Copyright 2022 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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"context"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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_ "net/url"
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_ "time"
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"golang.org/x/oauth2"
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)
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type CustomIdProvider struct {
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Client *http.Client
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Config *oauth2.Config
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UserInfoUrl string
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}
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func NewCustomIdProvider(clientId string, clientSecret string, redirectUrl string, authUrl string, tokenUrl string, userInfoUrl string) *CustomIdProvider {
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idp := &CustomIdProvider{}
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idp.UserInfoUrl = userInfoUrl
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config := &oauth2.Config{
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ClientID: clientId,
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ClientSecret: clientSecret,
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RedirectURL: redirectUrl,
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Endpoint: oauth2.Endpoint{
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AuthURL: authUrl,
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TokenURL: tokenUrl,
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},
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}
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idp.Config = config
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return idp
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}
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func (idp *CustomIdProvider) SetHttpClient(client *http.Client) {
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idp.Client = client
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}
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func (idp *CustomIdProvider) GetToken(code string) (*oauth2.Token, error) {
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ctx := context.WithValue(context.Background(), oauth2.HTTPClient, idp.Client)
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return idp.Config.Exchange(ctx, code)
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}
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type CustomUserInfo struct {
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Id string `json:"sub"`
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Name string `json:"name"`
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DisplayName string `json:"preferred_username"`
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Email string `json:"email"`
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AvatarUrl string `json:"picture"`
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Status string `json:"status"`
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Msg string `json:"msg"`
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}
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func (idp *CustomIdProvider) GetUserInfo(token *oauth2.Token) (*UserInfo, error) {
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ctUserinfo := &CustomUserInfo{}
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accessToken := token.AccessToken
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request, err := http.NewRequest("GET", idp.UserInfoUrl, nil)
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if err != nil {
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return nil, err
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}
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// add accessToken to request header
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request.Header.Add("Authorization", fmt.Sprintf("Bearer %s", accessToken))
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resp, err := idp.Client.Do(request)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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data, 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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err = json.Unmarshal(data, ctUserinfo)
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if err != nil {
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return nil, err
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}
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if ctUserinfo.Status != "" {
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return nil, fmt.Errorf("err: %s", ctUserinfo.Msg)
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}
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userInfo := &UserInfo{
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Id: ctUserinfo.Id,
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Username: ctUserinfo.Name,
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DisplayName: ctUserinfo.DisplayName,
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Email: ctUserinfo.Email,
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AvatarUrl: ctUserinfo.AvatarUrl,
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}
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return userInfo, nil
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}
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