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feat: add Alipay support as idp (casdoor#638)
* feat: add alipay support as idp * fix: rename a static svg icon * fix: sort imports * fix: no longer use pkcs8 package
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,292 @@ | ||
| // 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 ( | ||
| "crypto" | ||
| "crypto/rand" | ||
| "crypto/rsa" | ||
| "crypto/sha256" | ||
| "crypto/x509" | ||
| "encoding/base64" | ||
| "encoding/json" | ||
| "encoding/pem" | ||
| "io" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "net/url" | ||
| "sort" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "golang.org/x/oauth2" | ||
| ) | ||
|
|
||
| type AlipayIdProvider struct { | ||
| Client *http.Client | ||
| Config *oauth2.Config | ||
| } | ||
|
|
||
| // NewAlipayIdProvider ... | ||
| func NewAlipayIdProvider(clientId string, clientSecret string, redirectUrl string) *AlipayIdProvider { | ||
| idp := &AlipayIdProvider{} | ||
|
|
||
| config := idp.getConfig(clientId, clientSecret, redirectUrl) | ||
| idp.Config = config | ||
|
|
||
| return idp | ||
| } | ||
|
|
||
| // SetHttpClient ... | ||
| func (idp *AlipayIdProvider) SetHttpClient(client *http.Client) { | ||
| idp.Client = client | ||
| } | ||
|
|
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| // getConfig return a point of Config, which describes a typical 3-legged OAuth2 flow | ||
| func (idp *AlipayIdProvider) getConfig(clientId string, clientSecret string, redirectUrl string) *oauth2.Config { | ||
| var endpoint = oauth2.Endpoint{ | ||
| AuthURL: "https://openauth.alipay.com/oauth2/publicAppAuthorize.htm", | ||
| TokenURL: "https://openapi.alipay.com/gateway.do", | ||
| } | ||
|
|
||
| var config = &oauth2.Config{ | ||
| Scopes: []string{"", ""}, | ||
| Endpoint: endpoint, | ||
| ClientID: clientId, | ||
| ClientSecret: clientSecret, | ||
| RedirectURL: redirectUrl, | ||
| } | ||
|
|
||
| return config | ||
| } | ||
|
|
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| type AlipayAccessToken struct { | ||
| Response AlipaySystemOauthTokenResponse `json:"alipay_system_oauth_token_response"` | ||
| Sign string `json:"sign"` | ||
| } | ||
|
|
||
| type AlipaySystemOauthTokenResponse struct { | ||
| AccessToken string `json:"access_token"` | ||
| AlipayUserId string `json:"alipay_user_id"` | ||
| ExpiresIn int `json:"expires_in"` | ||
| ReExpiresIn int `json:"re_expires_in"` | ||
| RefreshToken string `json:"refresh_token"` | ||
| UserId string `json:"user_id"` | ||
| } | ||
|
|
||
| // GetToken use code to get access_token | ||
| func (idp *AlipayIdProvider) GetToken(code string) (*oauth2.Token, error) { | ||
| pTokenParams := &struct { | ||
| ClientId string `json:"app_id"` | ||
| CharSet string `json:"charset"` | ||
| Code string `json:"code"` | ||
| GrantType string `json:"grant_type"` | ||
| Method string `json:"method"` | ||
| SignType string `json:"sign_type"` | ||
| TimeStamp string `json:"timestamp"` | ||
| Version string `json:"version"` | ||
| }{idp.Config.ClientID, "utf-8", code, "authorization_code", "alipay.system.oauth.token", "RSA2", time.Now().Format("2006-01-02 15:04:05"), "1.0"} | ||
|
|
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| data, err := idp.postWithBody(pTokenParams, idp.Config.Endpoint.TokenURL) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| pToken := &AlipayAccessToken{} | ||
| err = json.Unmarshal(data, pToken) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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||
| token := &oauth2.Token{ | ||
| AccessToken: pToken.Response.AccessToken, | ||
| Expiry: time.Unix(time.Now().Unix()+int64(pToken.Response.ExpiresIn), 0), | ||
| } | ||
| return token, nil | ||
| } | ||
|
|
||
| /* | ||
| { | ||
| "alipay_user_info_share_response":{ | ||
| "code":"10000", | ||
| "msg":"Success", | ||
| "avatar":"https:\/\/tfs.alipayobjects.com\/images\/partner\/T1.QxFXk4aXXXXXXXX", | ||
| "nick_name":"zhangsan", | ||
| "user_id":"2099222233334444" | ||
| }, | ||
| "sign":"m8rWJeqfoa5tDQRRVnPhRHcpX7NZEgjIPTPF1QBxos6XXXXXXXXXXXXXXXXXXXXXXXXXX" | ||
| } | ||
| */ | ||
|
|
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| type AlipayUserResponse struct { | ||
| AlipayUserInfoShareResponse AlipayUserInfoShareResponse `json:"alipay_user_info_share_response"` | ||
| Sign string `json:"sign"` | ||
| } | ||
|
|
||
| type AlipayUserInfoShareResponse struct { | ||
| Code string `json:"code"` | ||
| Msg string `json:"msg"` | ||
| Avatar string `json:"avatar"` | ||
| NickName string `json:"nick_name"` | ||
| UserId string `json:"user_id"` | ||
| } | ||
|
|
||
| // GetUserInfo Use access_token to get UserInfo | ||
| func (idp *AlipayIdProvider) GetUserInfo(token *oauth2.Token) (*UserInfo, error) { | ||
| atUserInfo := &AlipayUserResponse{} | ||
| accessToken := token.AccessToken | ||
|
|
||
| pTokenParams := &struct { | ||
| ClientId string `json:"app_id"` | ||
| CharSet string `json:"charset"` | ||
| AuthToken string `json:"auth_token"` | ||
| Method string `json:"method"` | ||
| SignType string `json:"sign_type"` | ||
| TimeStamp string `json:"timestamp"` | ||
| Version string `json:"version"` | ||
| }{idp.Config.ClientID, "utf-8", accessToken, "alipay.user.info.share", "RSA2", time.Now().Format("2006-01-02 15:04:05"), "1.0"} | ||
| data, err := idp.postWithBody(pTokenParams, idp.Config.Endpoint.TokenURL) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| err = json.Unmarshal(data, atUserInfo) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| userInfo := UserInfo{ | ||
| Id: atUserInfo.AlipayUserInfoShareResponse.UserId, | ||
| Username: atUserInfo.AlipayUserInfoShareResponse.NickName, | ||
| DisplayName: atUserInfo.AlipayUserInfoShareResponse.NickName, | ||
| AvatarUrl: atUserInfo.AlipayUserInfoShareResponse.Avatar, | ||
| } | ||
|
|
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| return &userInfo, nil | ||
| } | ||
|
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| func (idp *AlipayIdProvider) postWithBody(body interface{}, targetUrl string) ([]byte, error) { | ||
| bs, err := json.Marshal(body) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| bodyJson := make(map[string]interface{}) | ||
| err = json.Unmarshal(bs, &bodyJson) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| formData := url.Values{} | ||
| for k := range bodyJson { | ||
| formData.Set(k, bodyJson[k].(string)) | ||
| } | ||
|
|
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| sign, err := rsaSignWithRSA256(getStringToSign(formData), idp.Config.ClientSecret) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| formData.Set("sign", sign) | ||
|
|
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| resp, err := idp.Client.PostForm(targetUrl, formData) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| data, err := ioutil.ReadAll(resp.Body) | ||
|
|
||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer func(Body io.ReadCloser) { | ||
| err := Body.Close() | ||
| if err != nil { | ||
| return | ||
| } | ||
| }(resp.Body) | ||
|
|
||
| return data, nil | ||
| } | ||
|
|
||
| // get the string to sign, see https://opendocs.alipay.com/common/02kf5q | ||
| func getStringToSign(formData url.Values) string { | ||
| keys := make([]string, 0, len(formData)) | ||
| for k := range formData { | ||
| keys = append(keys, k) | ||
| } | ||
| sort.Strings(keys) | ||
| str := "" | ||
| for _, k := range keys { | ||
| if k == "sign" || formData[k][0] == "" { | ||
| continue | ||
| } else { | ||
| str += "&" + k + "=" + formData[k][0] | ||
| } | ||
| } | ||
| str = strings.Trim(str, "&") | ||
| return str | ||
| } | ||
|
|
||
| // use privateKey to sign the content | ||
| func rsaSignWithRSA256(signContent string, privateKey string) (string, error) { | ||
| privateKey = formatPrivateKey(privateKey) | ||
| block, _ := pem.Decode([]byte(privateKey)) | ||
| if block == nil { | ||
| panic("fail to parse privateKey") | ||
| } | ||
|
|
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| h := sha256.New() | ||
| h.Write([]byte(signContent)) | ||
| hashed := h.Sum(nil) | ||
|
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| privateKeyRSA, err := x509.ParsePKCS8PrivateKey(block.Bytes) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
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| signature, err := rsa.SignPKCS1v15(rand.Reader, privateKeyRSA.(*rsa.PrivateKey), crypto.SHA256, hashed) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
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| return base64.StdEncoding.EncodeToString(signature), nil | ||
| } | ||
|
|
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| // privateKey in database is a string, format it to PEM style | ||
| func formatPrivateKey(privateKey string) string { | ||
| // each line length is 64 | ||
| preFmtPrivateKey := "" | ||
| for i := 0; ; { | ||
| if i+64 <= len(privateKey) { | ||
| preFmtPrivateKey = preFmtPrivateKey + privateKey[i:i+64] + "\n" | ||
| i += 64 | ||
| } else { | ||
| preFmtPrivateKey = preFmtPrivateKey + privateKey[i:] | ||
| break | ||
| } | ||
| } | ||
| privateKey = strings.Trim(preFmtPrivateKey, "\n") | ||
|
|
||
| // add pkcs#8 BEGIN and END | ||
| PemBegin := "-----BEGIN PRIVATE KEY-----\n" | ||
| PemEnd := "\n-----END PRIVATE KEY-----" | ||
| if !strings.HasPrefix(privateKey, PemBegin) { | ||
| privateKey = PemBegin + privateKey | ||
| } | ||
| if !strings.HasSuffix(privateKey, PemEnd) { | ||
| privateKey = privateKey + PemEnd | ||
| } | ||
| return privateKey | ||
| } |
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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"; | ||
|
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| function Icon({ width = 24, height = 24, color }) { | ||
| return <img src={`${StaticBaseUrl}/buttons/alipay.svg`} alt="Sign in with Alipay" style={{width: 24, height: 24}} />; | ||
| } | ||
|
|
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| const config = { | ||
| text: "Sign in with Alipay", | ||
| icon: Icon, | ||
| iconFormat: name => `fa fa-${name}`, | ||
| style: {background: "#ffffff", color: "#000000"}, | ||
| activeStyle: {background: "#ededee"}, | ||
| }; | ||
|
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| const AlipayLoginButton = createButton(config); | ||
|
|
||
| export default AlipayLoginButton; |
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