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新增 OIDC 协议实现
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sa-token-doc/oauth2/oauth2-oidc.md
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154
sa-token-doc/oauth2/oauth2-oidc.md
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# OAuth2 开启 OIDC 协议 (OpenID Connect)
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---
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### 1、开启步骤
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1、引入 `sa-token-jwt` 依赖,用来签发 `id_token`
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<!---------------------------- tabs:start ---------------------------->
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<!-------- tab:Maven 方式 -------->
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``` xml
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<!-- sa-token-jwt 签发 OIDC id_token 令牌 -->
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<dependency>
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<groupId>cn.dev33</groupId>
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<artifactId>sa-token-jwt</artifactId>
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<version>${sa.top.version}</version>
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</dependency>
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```
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<!-------- tab:Gradle 方式 -------->
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``` gradle
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// sa-token-jwt 签发 OIDC id_token 令牌
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implementation 'cn.dev33:sa-token-jwt:${sa.top.version}'
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```
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<!---------------------------- tabs:end ---------------------------->
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2、在 `SaOAuth2DataLoader` 实现类中,返回的 `SaClientModel` 中添加 `oidc` 的签约权限。
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``` java
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@Component
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public class SaOAuth2DataLoaderImpl implements SaOAuth2DataLoader {
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@Override
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public SaClientModel getClientModel(String clientId) {
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// 此为模拟数据,真实环境需要从数据库查询
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if("1001".equals(clientId)) {
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return new SaClientModel()
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// ....
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.addContractScopes("openid", "userid", "userinfo", "oidc") // 此处添加上签约权限:oidc
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.addAllowGrantTypes(
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// ...
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)
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;
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}
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return null;
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}
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// 其它代码 ...
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}
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```
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### 2、测试
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1、在 OAuth2-Client 端申请授权码时,添加上 `oidc` 权限:
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``` url
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http://sa-oauth-server.com:8000/oauth2/authorize
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?response_type=code
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&client_id=1001
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&redirect_uri=http://sa-oauth-client.com:8002/
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&scope=oidc
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```
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2、得到授权码后,然后拿着 `code` 换 `access_token`
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``` url
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http://sa-oauth-server.com:8000/oauth2/token
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?grant_type=authorization_code
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&client_id=1001
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&client_secret=aaaa-bbbb-cccc-dddd-eeee
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&code=${code}
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```
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3、返回的结果中将包含 `id_token` 字段:
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``` js
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{
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"code": 200,
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"msg": "ok",
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"data": null,
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"token_type": "bearer",
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"access_token": "WdpjZdGlXdOzsAcr7gqPwmLVInHrhpznQa2pDOVqZmLXQynBflkcWqE6f5o2",
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"refresh_token": "hKHwBm3eH6iqSHlXRGWQaziV8OoyHvzmUb97lKEEZnZJLt3NunBFx7rVZWbT",
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"expires_in": 7199,
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"refresh_expires_in": 2591999,
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"client_id": "1001",
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"scope": "oidc",
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"id_token": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJodHRwOi8vc2Etb2F1dGgtc2VydmVyLmNvbTo4MDAwIiwic3ViIjoiMTAwMDEiLCJhdWQiOiIxMDAxIiwiZXhwIjoxNzI0NDI1OTg5LCJpYXQiOjE3MjQ0MjUzODksImF1dGhfdGltZSI6MTcyNDQwMDUyNiwibm9uY2UiOiJLTHlNR08zZ1R0YVdhMEFRcHF0RUNpTk9SWkY1QkhvRCIsImF6cCI6IjEwMDEifQ.gP3UYMexaQ9v0huKUuqhV9-dPxPpaEuFPIlPb2UZaOI"
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}
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```
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4、解析 `id_token` 将得到以下载荷
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``` js
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{
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"iss": "http://sa-oauth-server.com:8000", // 签发人
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"sub": "10001", // userId
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"aud": "1001", // clientId
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"exp": 1724425989, // 令牌到期时间,10位时间戳
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"iat": 1724425389, // 签发此令牌的时间,10位时间戳
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"auth_time": 1724400526, // 用户认证时间,10位时间戳
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"nonce": "KLyMGO3gTtaWa0AQpqtECiNORZF5BHoD", // 随机数,防止重放攻击
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"azp": "1001" // clientId
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}
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```
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如果默认携带的载荷无法满足你的业务需求,你还可以自定义追加扩展字段,让 `id_token` 返回更多信息
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### 3、扩展 id_token 载荷
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新建 `CustomOidcScopeHandler` 集成 `OidcScopeHandler`,扩展 OIDC 权限处理器,返回更多字段:
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``` java
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/**
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* 扩展 OIDC 权限处理器,返回更多字段
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*/
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@Component
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public class CustomOidcScopeHandler extends OidcScopeHandler {
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@Override
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public IdTokenModel workExtraData(IdTokenModel idToken) {
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Object userId = idToken.sub;
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System.out.println("----- 为 idToken 追加扩展字段 ----- ");
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idToken.extraData.put("uid", userId); // 用户id
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idToken.extraData.put("nickname", "lin_xiao_lin"); // 昵称
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idToken.extraData.put("picture", "https://sa-token.cc/logo.png"); // 头像
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idToken.extraData.put("email", "456456@xx.com"); // 邮箱
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idToken.extraData.put("phone_number", "13144556677"); // 手机号
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// 更多字段 ...
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// 可参考:https://openid.net/specs/openid-connect-core-1_0.html#StandardClaims
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return idToken;
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}
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}
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```
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重启项目,再次请求授权,返回的 `id_token` 载荷将包含更多字段:
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``` js
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{
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"iss": "http://sa-oauth-server.com:8000",
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"sub": "10001",
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"aud": "1001",
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"exp": 1724430149,
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"iat": 1724429549,
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"auth_time": 1724400526,
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"nonce": "SBRLOcfeo9FFmLTB8OINvuulam5FMOre",
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"azp": "1001",
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"uid": "10001",
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"nickname": "lin_xiao_lin",
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"picture": "https://sa-token.cc/logo.png",
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"email": "456456@xx.com",
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"phone_number": "13144556677"
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}
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```
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