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feat: add AD-FS support (casdoor#505)
Signed-off-by: Steve0x2a <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| // Copyright 2022 The Casdoor Authors. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package idp | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "crypto/tls" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "net/url" | ||
| "time" | ||
|
|
||
| "github.com/lestrrat-go/jwx/jwa" | ||
| "github.com/lestrrat-go/jwx/jwk" | ||
| "github.com/lestrrat-go/jwx/jwt" | ||
| "golang.org/x/oauth2" | ||
| ) | ||
|
|
||
| type AdfsIdProvider struct { | ||
| Client *http.Client | ||
| Config *oauth2.Config | ||
| Host string | ||
| } | ||
|
|
||
| func NewAdfsIdProvider(clientId string, clientSecret string, redirectUrl string, hostUrl string) *AdfsIdProvider { | ||
| idp := &AdfsIdProvider{} | ||
|
|
||
| config := idp.getConfig(hostUrl) | ||
| config.ClientID = clientId | ||
| config.ClientSecret = clientSecret | ||
| config.RedirectURL = redirectUrl | ||
| idp.Config = config | ||
| idp.Host = hostUrl | ||
| return idp | ||
| } | ||
|
|
||
| func (idp *AdfsIdProvider) SetHttpClient(client *http.Client) { | ||
| tr := &http.Transport{ | ||
| TLSClientConfig: &tls.Config{ | ||
| InsecureSkipVerify: true, | ||
| }, | ||
| } | ||
| idp.Client = client | ||
| idp.Client.Transport = tr | ||
| } | ||
|
|
||
| func (idp *AdfsIdProvider) getConfig(hostUrl string) *oauth2.Config { | ||
| var endpoint = oauth2.Endpoint{ | ||
| AuthURL: fmt.Sprintf("%s/adfs/oauth2/authorize", hostUrl), | ||
| TokenURL: fmt.Sprintf("%s/adfs/oauth2/token", hostUrl), | ||
| } | ||
|
|
||
| var config = &oauth2.Config{ | ||
| Endpoint: endpoint, | ||
| } | ||
|
|
||
| return config | ||
| } | ||
|
|
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| type AdfsToken struct { | ||
| IdToken string `json:"id_token"` | ||
| ExpiresIn int `json:"expires_in"` | ||
| ErrMsg string `json:"error_description"` | ||
| } | ||
|
|
||
| // get more detail via: https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/overview/ad-fs-openid-connect-oauth-flows-scenarios#request-an-access-token | ||
| func (idp *AdfsIdProvider) GetToken(code string) (*oauth2.Token, error) { | ||
| payload := url.Values{} | ||
| payload.Set("code", code) | ||
| payload.Set("grant_type", "authorization_code") | ||
| payload.Set("client_id", idp.Config.ClientID) | ||
| payload.Set("redirect_uri", idp.Config.RedirectURL) | ||
| resp, err := idp.Client.PostForm(idp.Config.Endpoint.TokenURL, payload) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| data, err := io.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| pToken := &AdfsToken{} | ||
| err = json.Unmarshal(data, pToken) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("fail to unmarshal token response: %s", err.Error()) | ||
| } | ||
| if pToken.ErrMsg != "" { | ||
| return nil, fmt.Errorf("pToken.Errmsg = %s", pToken.ErrMsg) | ||
| } | ||
|
|
||
| token := &oauth2.Token{ | ||
| AccessToken: pToken.IdToken, | ||
| Expiry: time.Unix(time.Now().Unix()+int64(pToken.ExpiresIn), 0), | ||
| } | ||
| return token, nil | ||
| } | ||
|
|
||
| // Since the userinfo endpoint of ADFS only returns sub, | ||
| // the id_token is used to resolve the userinfo | ||
| func (idp *AdfsIdProvider) GetUserInfo(token *oauth2.Token) (*UserInfo, error) { | ||
| resp, err := idp.Client.Get(fmt.Sprintf("%s/adfs/discovery/keys", idp.Host)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| keyset, err := jwk.Parse(resp.Body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| tokenSrc := []byte(token.AccessToken) | ||
| publicKey, _ := keyset.Keys[0].Materialize() | ||
| id_token, _ := jwt.Parse(bytes.NewReader(tokenSrc), jwt.WithVerify(jwa.RS256, publicKey)) | ||
| sid, _ := id_token.Get("sid") | ||
| upn, _ := id_token.Get("upn") | ||
| name, _ := id_token.Get("unique_name") | ||
| userinfo := &UserInfo{ | ||
| Id: sid.(string), | ||
| Username: name.(string), | ||
| DisplayName: name.(string), | ||
| Email: upn.(string), | ||
| } | ||
| return userinfo, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // Copyright 2022 The Casdoor Authors. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| import {createButton} from "react-social-login-buttons"; | ||
| import {StaticBaseUrl} from "../Setting"; | ||
|
|
||
| function Icon({ width = 24, height = 24, color }) { | ||
| return <img src={`${StaticBaseUrl}/buttons/adfs.svg`} alt="Sign in with ADFS" style={{width: 24, height: 24}} />; | ||
| } | ||
|
|
||
| const config = { | ||
| text: "Sign in with ADFS", | ||
| icon: Icon, | ||
| iconFormat: name => `fa fa-${name}`, | ||
| style: {background: "#ffffff", color: "#000000"}, | ||
| activeStyle: {background: "#ededee"}, | ||
| }; | ||
|
|
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| const AdfsLoginButton = createButton(config); | ||
|
|
||
| export default AdfsLoginButton; |
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