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				|  | @ -56,7 +56,11 @@ | |||
| *** xref:servlet/authorization/acls.adoc[Domain Object Security ACLs] | ||||
| ** xref:servlet/oauth2/index.adoc[OAuth2] | ||||
| *** xref:servlet/oauth2/oauth2-login.adoc[OAuth2 Log In] | ||||
| *** xref:servlet/oauth2/oauth2-client.adoc[OAuth2 Client] | ||||
| *** xref:servlet/oauth2/client/index.adoc[OAuth2 Client] | ||||
| **** xref:servlet/oauth2/client/core.adoc[Core Interfaces and Classes] | ||||
| **** xref:servlet/oauth2/client/authorization-grants.adoc[OAuth2 Authorization Grants] | ||||
| **** xref:servlet/oauth2/client/client-authentication.adoc[OAuth2 Client Authentication] | ||||
| **** xref:servlet/oauth2/client/authorized-clients.adoc[OAuth2 Authorized Clients] | ||||
| *** xref:servlet/oauth2/resource-server/index.adoc[OAuth2 Resource Server] | ||||
| **** xref:servlet/oauth2/resource-server/jwt.adoc[JWT] | ||||
| **** xref:servlet/oauth2/resource-server/opaque-token.adoc[Opaque Token] | ||||
|  |  | |||
|  | @ -42,6 +42,6 @@ The following Spring Security modules provide Jackson support: | |||
| 
 | ||||
| - spring-security-core (`CoreJackson2Module`) | ||||
| - spring-security-web (`WebJackson2Module`, `WebServletJackson2Module`, `WebServerJackson2Module`) | ||||
| - xref:servlet/oauth2/oauth2-client.adoc#oauth2client[ spring-security-oauth2-client] (`OAuth2ClientJackson2Module`) | ||||
| - xref:servlet/oauth2/client/index.adoc#oauth2client[ spring-security-oauth2-client] (`OAuth2ClientJackson2Module`) | ||||
| - spring-security-cas (`CasJackson2Module`) | ||||
| ==== | ||||
|  |  | |||
|  | @ -39,11 +39,11 @@ The redirect URI is the path in the application that the end-user's user-agent i | |||
| In the "Set a redirect URI" sub-section, ensure that the *Authorized redirect URIs* field is set to `http://localhost:8080/login/oauth2/code/google`. | ||||
| 
 | ||||
| TIP: The default redirect URI template is `+{baseUrl}/login/oauth2/code/{registrationId}+`. | ||||
| The *_registrationId_* is a unique identifier for the xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-client-registration[ClientRegistration]. | ||||
| The *_registrationId_* is a unique identifier for the xref:servlet/oauth2/client/core.adoc#oauth2Client-client-registration[ClientRegistration]. | ||||
| For our example, the `registrationId` is `google`. | ||||
| 
 | ||||
| IMPORTANT: If the OAuth Client is running behind a proxy server, it is recommended to check xref:features/exploits/http.adoc#http-proxy-server[Proxy Server Configuration] to ensure the application is correctly configured. | ||||
| Also, see the supported xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-auth-code-redirect-uri[ `URI` template variables] for `redirect-uri`. | ||||
| Also, see the supported xref:servlet/oauth2/client/authorization-grants.adoc#oauth2Client-auth-code-redirect-uri[ `URI` template variables] for `redirect-uri`. | ||||
| 
 | ||||
| [[webflux-oauth2-login-sample-config]] | ||||
| === Configure `application.yml` | ||||
|  | @ -68,7 +68,7 @@ spring: | |||
| .OAuth Client properties | ||||
| ==== | ||||
| <1> `spring.security.oauth2.client.registration` is the base property prefix for OAuth Client properties. | ||||
| <2> Following the base property prefix is the ID for the xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-client-registration[ClientRegistration], such as google. | ||||
| <2> Following the base property prefix is the ID for the xref:servlet/oauth2/client/index.adoc#oauth2Client-client-registration[`ClientRegistration`], such as google. | ||||
| ==== | ||||
| 
 | ||||
| . Replace the values in the `client-id` and `client-secret` property with the OAuth 2.0 credentials you created earlier. | ||||
|  |  | |||
|  | @ -367,7 +367,7 @@ END; | |||
| 
 | ||||
| [[dbschema-oauth2-client]] | ||||
| == OAuth 2.0 Client Schema | ||||
| The JDBC implementation of xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-authorized-repo-service[ OAuth2AuthorizedClientService] (`JdbcOAuth2AuthorizedClientService`) requires a table for persisting `OAuth2AuthorizedClient`(s). | ||||
| The JDBC implementation of xref:servlet/oauth2/client/core.adoc#oauth2Client-authorized-repo-service[ OAuth2AuthorizedClientService] (`JdbcOAuth2AuthorizedClientService`) requires a table for persisting `OAuth2AuthorizedClient`(s). | ||||
| You will need to adjust this schema to match the database dialect you are using. | ||||
| 
 | ||||
| [source,ddl] | ||||
|  |  | |||
|  | @ -947,7 +947,7 @@ Reference to the `JwtDecoderFactory` used by `OidcAuthorizationCodeAuthenticatio | |||
| 
 | ||||
| [[nsa-oauth2-client]] | ||||
| == <oauth2-client> | ||||
| Configures xref:servlet/oauth2/oauth2-client.adoc#oauth2client[OAuth 2.0 Client] support. | ||||
| Configures xref:servlet/oauth2/client/index.adoc#oauth2client[OAuth 2.0 Client] support. | ||||
| 
 | ||||
| 
 | ||||
| [[nsa-oauth2-client-parents]] | ||||
|  | @ -982,7 +982,7 @@ Reference to the `OAuth2AuthorizedClientService`. | |||
| 
 | ||||
| [[nsa-authorization-code-grant]] | ||||
| == <authorization-code-grant> | ||||
| Configures xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-auth-grant-support[OAuth 2.0 Authorization Code Grant]. | ||||
| Configures xref:servlet/oauth2/client/authorization-grants.adoc#oauth2Client-auth-grant-support[OAuth 2.0 Authorization Code Grant]. | ||||
| 
 | ||||
| 
 | ||||
| [[nsa-authorization-code-grant-parents]] | ||||
|  | @ -1012,7 +1012,7 @@ Reference to the `OAuth2AccessTokenResponseClient`. | |||
| 
 | ||||
| [[nsa-client-registrations]] | ||||
| == <client-registrations> | ||||
| A container element for client(s) registered (xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-client-registration[ClientRegistration]) with an OAuth 2.0 or OpenID Connect 1.0 Provider. | ||||
| A container element for client(s) registered (xref:servlet/oauth2/client/index.adoc#oauth2Client-client-registration[ClientRegistration]) with an OAuth 2.0 or OpenID Connect 1.0 Provider. | ||||
| 
 | ||||
| 
 | ||||
| [[nsa-client-registrations-children]] | ||||
|  |  | |||
										
											
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							|  | @ -0,0 +1,264 @@ | |||
| [[oauth2Client-additional-features]] | ||||
| = Authorized Client Features | ||||
| 
 | ||||
| [[oauth2Client-registered-authorized-client]] | ||||
| == Resolving an Authorized Client | ||||
| 
 | ||||
| The `@RegisteredOAuth2AuthorizedClient` annotation provides the capability of resolving a method parameter to an argument value of type `OAuth2AuthorizedClient`. | ||||
| This is a convenient alternative compared to accessing the `OAuth2AuthorizedClient` using the `OAuth2AuthorizedClientManager` or `OAuth2AuthorizedClientService`. | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Controller | ||||
| public class OAuth2ClientController { | ||||
| 
 | ||||
| 	@GetMapping("/") | ||||
| 	public String index(@RegisteredOAuth2AuthorizedClient("okta") OAuth2AuthorizedClient authorizedClient) { | ||||
| 		OAuth2AccessToken accessToken = authorizedClient.getAccessToken(); | ||||
| 
 | ||||
| 		... | ||||
| 
 | ||||
| 		return "index"; | ||||
| 	} | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Controller | ||||
| class OAuth2ClientController { | ||||
|     @GetMapping("/") | ||||
|     fun index(@RegisteredOAuth2AuthorizedClient("okta") authorizedClient: OAuth2AuthorizedClient): String { | ||||
|         val accessToken = authorizedClient.accessToken | ||||
| 
 | ||||
|         ... | ||||
| 
 | ||||
|         return "index" | ||||
|     } | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| The `@RegisteredOAuth2AuthorizedClient` annotation is handled by `OAuth2AuthorizedClientArgumentResolver`, which directly uses an xref:servlet/oauth2/client/core.adoc#oauth2Client-authorized-manager-provider[`OAuth2AuthorizedClientManager`] and therefore inherits it's capabilities. | ||||
| 
 | ||||
| 
 | ||||
| [[oauth2Client-webclient-servlet]] | ||||
| == WebClient integration for Servlet Environments | ||||
| 
 | ||||
| The OAuth 2.0 Client support integrates with `WebClient` using an `ExchangeFilterFunction`. | ||||
| 
 | ||||
| The `ServletOAuth2AuthorizedClientExchangeFilterFunction` provides a simple mechanism for requesting protected resources by using an `OAuth2AuthorizedClient` and including the associated `OAuth2AccessToken` as a Bearer Token. | ||||
| It directly uses an xref:servlet/oauth2/client/core.adoc#oauth2Client-authorized-manager-provider[`OAuth2AuthorizedClientManager`] and therefore inherits the following capabilities: | ||||
| 
 | ||||
| * An `OAuth2AccessToken` will be requested if the client has not yet been authorized. | ||||
| ** `authorization_code` - triggers the Authorization Request redirect to initiate the flow | ||||
| ** `client_credentials` - the access token is obtained directly from the Token Endpoint | ||||
| ** `password` - the access token is obtained directly from the Token Endpoint | ||||
| * If the `OAuth2AccessToken` is expired, it will be refreshed (or renewed) if an `OAuth2AuthorizedClientProvider` is available to perform the authorization | ||||
| 
 | ||||
| The following code shows an example of how to configure `WebClient` with OAuth 2.0 Client support: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Bean | ||||
| WebClient webClient(OAuth2AuthorizedClientManager authorizedClientManager) { | ||||
| 	ServletOAuth2AuthorizedClientExchangeFilterFunction oauth2Client = | ||||
| 			new ServletOAuth2AuthorizedClientExchangeFilterFunction(authorizedClientManager); | ||||
| 	return WebClient.builder() | ||||
| 			.apply(oauth2Client.oauth2Configuration()) | ||||
| 			.build(); | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Bean | ||||
| fun webClient(authorizedClientManager: OAuth2AuthorizedClientManager?): WebClient { | ||||
|     val oauth2Client = ServletOAuth2AuthorizedClientExchangeFilterFunction(authorizedClientManager) | ||||
|     return WebClient.builder() | ||||
|             .apply(oauth2Client.oauth2Configuration()) | ||||
|             .build() | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| === Providing the Authorized Client | ||||
| 
 | ||||
| The `ServletOAuth2AuthorizedClientExchangeFilterFunction` determines the client to use (for a request) by resolving the `OAuth2AuthorizedClient` from the `ClientRequest.attributes()` (request attributes). | ||||
| 
 | ||||
| The following code shows how to set an `OAuth2AuthorizedClient` as a request attribute: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @GetMapping("/") | ||||
| public String index(@RegisteredOAuth2AuthorizedClient("okta") OAuth2AuthorizedClient authorizedClient) { | ||||
| 	String resourceUri = ... | ||||
| 
 | ||||
| 	String body = webClient | ||||
| 			.get() | ||||
| 			.uri(resourceUri) | ||||
| 			.attributes(oauth2AuthorizedClient(authorizedClient))   <1> | ||||
| 			.retrieve() | ||||
| 			.bodyToMono(String.class) | ||||
| 			.block(); | ||||
| 
 | ||||
| 	... | ||||
| 
 | ||||
| 	return "index"; | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @GetMapping("/") | ||||
| fun index(@RegisteredOAuth2AuthorizedClient("okta") authorizedClient: OAuth2AuthorizedClient): String { | ||||
|     val resourceUri: String = ... | ||||
|     val body: String = webClient | ||||
|             .get() | ||||
|             .uri(resourceUri) | ||||
|             .attributes(oauth2AuthorizedClient(authorizedClient)) <1> | ||||
|             .retrieve() | ||||
|             .bodyToMono() | ||||
|             .block() | ||||
| 
 | ||||
|     ... | ||||
| 
 | ||||
|     return "index" | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| <1> `oauth2AuthorizedClient()` is a `static` method in `ServletOAuth2AuthorizedClientExchangeFilterFunction`. | ||||
| 
 | ||||
| The following code shows how to set the `ClientRegistration.getRegistrationId()` as a request attribute: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @GetMapping("/") | ||||
| public String index() { | ||||
| 	String resourceUri = ... | ||||
| 
 | ||||
| 	String body = webClient | ||||
| 			.get() | ||||
| 			.uri(resourceUri) | ||||
| 			.attributes(clientRegistrationId("okta"))   <1> | ||||
| 			.retrieve() | ||||
| 			.bodyToMono(String.class) | ||||
| 			.block(); | ||||
| 
 | ||||
| 	... | ||||
| 
 | ||||
| 	return "index"; | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @GetMapping("/") | ||||
| fun index(): String { | ||||
|     val resourceUri: String = ... | ||||
| 
 | ||||
|     val body: String = webClient | ||||
|             .get() | ||||
|             .uri(resourceUri) | ||||
|             .attributes(clientRegistrationId("okta"))  <1> | ||||
|             .retrieve() | ||||
|             .bodyToMono() | ||||
|             .block() | ||||
| 
 | ||||
|     ... | ||||
| 
 | ||||
|     return "index" | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| <1> `clientRegistrationId()` is a `static` method in `ServletOAuth2AuthorizedClientExchangeFilterFunction`. | ||||
| 
 | ||||
| 
 | ||||
| === Defaulting the Authorized Client | ||||
| 
 | ||||
| If neither `OAuth2AuthorizedClient` or `ClientRegistration.getRegistrationId()` is provided as a request attribute, the `ServletOAuth2AuthorizedClientExchangeFilterFunction` can determine the _default_ client to use depending on it's configuration. | ||||
| 
 | ||||
| If `setDefaultOAuth2AuthorizedClient(true)` is configured and the user has authenticated using `HttpSecurity.oauth2Login()`, the `OAuth2AccessToken` associated with the current `OAuth2AuthenticationToken` is used. | ||||
| 
 | ||||
| The following code shows the specific configuration: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Bean | ||||
| WebClient webClient(OAuth2AuthorizedClientManager authorizedClientManager) { | ||||
| 	ServletOAuth2AuthorizedClientExchangeFilterFunction oauth2Client = | ||||
| 			new ServletOAuth2AuthorizedClientExchangeFilterFunction(authorizedClientManager); | ||||
| 	oauth2Client.setDefaultOAuth2AuthorizedClient(true); | ||||
| 	return WebClient.builder() | ||||
| 			.apply(oauth2Client.oauth2Configuration()) | ||||
| 			.build(); | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Bean | ||||
| fun webClient(authorizedClientManager: OAuth2AuthorizedClientManager?): WebClient { | ||||
|     val oauth2Client = ServletOAuth2AuthorizedClientExchangeFilterFunction(authorizedClientManager) | ||||
|     oauth2Client.setDefaultOAuth2AuthorizedClient(true) | ||||
|     return WebClient.builder() | ||||
|             .apply(oauth2Client.oauth2Configuration()) | ||||
|             .build() | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| [WARNING] | ||||
| It is recommended to be cautious with this feature since all HTTP requests will receive the access token. | ||||
| 
 | ||||
| Alternatively, if `setDefaultClientRegistrationId("okta")` is configured with a valid `ClientRegistration`, the `OAuth2AccessToken` associated with the `OAuth2AuthorizedClient` is used. | ||||
| 
 | ||||
| The following code shows the specific configuration: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Bean | ||||
| WebClient webClient(OAuth2AuthorizedClientManager authorizedClientManager) { | ||||
| 	ServletOAuth2AuthorizedClientExchangeFilterFunction oauth2Client = | ||||
| 			new ServletOAuth2AuthorizedClientExchangeFilterFunction(authorizedClientManager); | ||||
| 	oauth2Client.setDefaultClientRegistrationId("okta"); | ||||
| 	return WebClient.builder() | ||||
| 			.apply(oauth2Client.oauth2Configuration()) | ||||
| 			.build(); | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Bean | ||||
| fun webClient(authorizedClientManager: OAuth2AuthorizedClientManager?): WebClient { | ||||
|     val oauth2Client = ServletOAuth2AuthorizedClientExchangeFilterFunction(authorizedClientManager) | ||||
|     oauth2Client.setDefaultClientRegistrationId("okta") | ||||
|     return WebClient.builder() | ||||
|             .apply(oauth2Client.oauth2Configuration()) | ||||
|             .build() | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| [WARNING] | ||||
| It is recommended to be cautious with this feature since all HTTP requests will receive the access token. | ||||
|  | @ -0,0 +1,165 @@ | |||
| [[oauth2Client-client-auth-support]] | ||||
| = Client Authentication Support | ||||
| 
 | ||||
| 
 | ||||
| [[oauth2Client-jwt-bearer-auth]] | ||||
| == JWT Bearer | ||||
| 
 | ||||
| [NOTE] | ||||
| Please refer to JSON Web Token (JWT) Profile for OAuth 2.0 Client Authentication and Authorization Grants for further details on https://datatracker.ietf.org/doc/html/rfc7523#section-2.2[JWT Bearer] Client Authentication. | ||||
| 
 | ||||
| The default implementation for JWT Bearer Client Authentication is `NimbusJwtClientAuthenticationParametersConverter`, | ||||
| which is a `Converter` that customizes the Token Request parameters by adding | ||||
| a signed JSON Web Token (JWS) in the `client_assertion` parameter. | ||||
| 
 | ||||
| The `java.security.PrivateKey` or `javax.crypto.SecretKey` used for signing the JWS | ||||
| is supplied by the `com.nimbusds.jose.jwk.JWK` resolver associated with `NimbusJwtClientAuthenticationParametersConverter`. | ||||
| 
 | ||||
| 
 | ||||
| === Authenticate using `private_key_jwt` | ||||
| 
 | ||||
| Given the following Spring Boot 2.x properties for an OAuth 2.0 Client registration: | ||||
| 
 | ||||
| [source,yaml] | ||||
| ---- | ||||
| spring: | ||||
|   security: | ||||
|     oauth2: | ||||
|       client: | ||||
|         registration: | ||||
|           okta: | ||||
|             client-id: okta-client-id | ||||
|             client-authentication-method: private_key_jwt | ||||
|             authorization-grant-type: authorization_code | ||||
|             ... | ||||
| ---- | ||||
| 
 | ||||
| The following example shows how to configure `DefaultAuthorizationCodeTokenResponseClient`: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| Function<ClientRegistration, JWK> jwkResolver = (clientRegistration) -> { | ||||
| 	if (clientRegistration.getClientAuthenticationMethod().equals(ClientAuthenticationMethod.PRIVATE_KEY_JWT)) { | ||||
| 		// Assuming RSA key type | ||||
| 		RSAPublicKey publicKey = ... | ||||
| 		RSAPrivateKey privateKey = ... | ||||
| 		return new RSAKey.Builder(publicKey) | ||||
| 				.privateKey(privateKey) | ||||
| 				.keyID(UUID.randomUUID().toString()) | ||||
| 				.build(); | ||||
| 	} | ||||
| 	return null; | ||||
| }; | ||||
| 
 | ||||
| OAuth2AuthorizationCodeGrantRequestEntityConverter requestEntityConverter = | ||||
| 		new OAuth2AuthorizationCodeGrantRequestEntityConverter(); | ||||
| requestEntityConverter.addParametersConverter( | ||||
| 		new NimbusJwtClientAuthenticationParametersConverter<>(jwkResolver)); | ||||
| 
 | ||||
| DefaultAuthorizationCodeTokenResponseClient tokenResponseClient = | ||||
| 		new DefaultAuthorizationCodeTokenResponseClient(); | ||||
| tokenResponseClient.setRequestEntityConverter(requestEntityConverter); | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| val jwkResolver: Function<ClientRegistration, JWK> = | ||||
|     Function<ClientRegistration, JWK> { clientRegistration -> | ||||
|         if (clientRegistration.clientAuthenticationMethod.equals(ClientAuthenticationMethod.PRIVATE_KEY_JWT)) { | ||||
|             // Assuming RSA key type | ||||
|             var publicKey: RSAPublicKey | ||||
|             var privateKey: RSAPrivateKey | ||||
|             RSAKey.Builder(publicKey) = //... | ||||
|                 .privateKey(privateKey) = //... | ||||
|                 .keyID(UUID.randomUUID().toString()) | ||||
|                 .build() | ||||
|         } | ||||
|         null | ||||
|     } | ||||
| 
 | ||||
| val requestEntityConverter = OAuth2AuthorizationCodeGrantRequestEntityConverter() | ||||
| requestEntityConverter.addParametersConverter( | ||||
|     NimbusJwtClientAuthenticationParametersConverter(jwkResolver) | ||||
| ) | ||||
| 
 | ||||
| val tokenResponseClient = DefaultAuthorizationCodeTokenResponseClient() | ||||
| tokenResponseClient.setRequestEntityConverter(requestEntityConverter) | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| 
 | ||||
| === Authenticate using `client_secret_jwt` | ||||
| 
 | ||||
| Given the following Spring Boot 2.x properties for an OAuth 2.0 Client registration: | ||||
| 
 | ||||
| [source,yaml] | ||||
| ---- | ||||
| spring: | ||||
|   security: | ||||
|     oauth2: | ||||
|       client: | ||||
|         registration: | ||||
|           okta: | ||||
|             client-id: okta-client-id | ||||
|             client-secret: okta-client-secret | ||||
|             client-authentication-method: client_secret_jwt | ||||
|             authorization-grant-type: client_credentials | ||||
|             ... | ||||
| ---- | ||||
| 
 | ||||
| The following example shows how to configure `DefaultClientCredentialsTokenResponseClient`: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| Function<ClientRegistration, JWK> jwkResolver = (clientRegistration) -> { | ||||
| 	if (clientRegistration.getClientAuthenticationMethod().equals(ClientAuthenticationMethod.CLIENT_SECRET_JWT)) { | ||||
| 		SecretKeySpec secretKey = new SecretKeySpec( | ||||
| 				clientRegistration.getClientSecret().getBytes(StandardCharsets.UTF_8), | ||||
| 				"HmacSHA256"); | ||||
| 		return new OctetSequenceKey.Builder(secretKey) | ||||
| 				.keyID(UUID.randomUUID().toString()) | ||||
| 				.build(); | ||||
| 	} | ||||
| 	return null; | ||||
| }; | ||||
| 
 | ||||
| OAuth2ClientCredentialsGrantRequestEntityConverter requestEntityConverter = | ||||
| 		new OAuth2ClientCredentialsGrantRequestEntityConverter(); | ||||
| requestEntityConverter.addParametersConverter( | ||||
| 		new NimbusJwtClientAuthenticationParametersConverter<>(jwkResolver)); | ||||
| 
 | ||||
| DefaultClientCredentialsTokenResponseClient tokenResponseClient = | ||||
| 		new DefaultClientCredentialsTokenResponseClient(); | ||||
| tokenResponseClient.setRequestEntityConverter(requestEntityConverter); | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| val jwkResolver = Function<ClientRegistration, JWK?> { clientRegistration: ClientRegistration -> | ||||
|     if (clientRegistration.clientAuthenticationMethod == ClientAuthenticationMethod.CLIENT_SECRET_JWT) { | ||||
|         val secretKey = SecretKeySpec( | ||||
|             clientRegistration.clientSecret.toByteArray(StandardCharsets.UTF_8), | ||||
|             "HmacSHA256" | ||||
|         ) | ||||
|         OctetSequenceKey.Builder(secretKey) | ||||
|             .keyID(UUID.randomUUID().toString()) | ||||
|             .build() | ||||
|     } | ||||
|     null | ||||
| } | ||||
| 
 | ||||
| val requestEntityConverter = OAuth2ClientCredentialsGrantRequestEntityConverter() | ||||
| requestEntityConverter.addParametersConverter( | ||||
|     NimbusJwtClientAuthenticationParametersConverter(jwkResolver) | ||||
| ) | ||||
| 
 | ||||
| val tokenResponseClient = DefaultClientCredentialsTokenResponseClient() | ||||
| tokenResponseClient.setRequestEntityConverter(requestEntityConverter) | ||||
| ---- | ||||
| ==== | ||||
|  | @ -0,0 +1,440 @@ | |||
| [[oauth2Client-core-interface-class]] | ||||
| = Core Interfaces / Classes | ||||
| 
 | ||||
| 
 | ||||
| [[oauth2Client-client-registration]] | ||||
| == ClientRegistration | ||||
| 
 | ||||
| `ClientRegistration` is a representation of a client registered with an OAuth 2.0 or OpenID Connect 1.0 Provider. | ||||
| 
 | ||||
| A client registration holds information, such as client id, client secret, authorization grant type, redirect URI, scope(s), authorization URI, token URI, and other details. | ||||
| 
 | ||||
| `ClientRegistration` and its properties are defined as follows: | ||||
| 
 | ||||
| [source,java] | ||||
| ---- | ||||
| public final class ClientRegistration { | ||||
| 	private String registrationId;	<1> | ||||
| 	private String clientId;	<2> | ||||
| 	private String clientSecret;	<3> | ||||
| 	private ClientAuthenticationMethod clientAuthenticationMethod;	<4> | ||||
| 	private AuthorizationGrantType authorizationGrantType;	<5> | ||||
| 	private String redirectUri;	<6> | ||||
| 	private Set<String> scopes;	<7> | ||||
| 	private ProviderDetails providerDetails; | ||||
| 	private String clientName;	<8> | ||||
| 
 | ||||
| 	public class ProviderDetails { | ||||
| 		private String authorizationUri;	<9> | ||||
| 		private String tokenUri;	<10> | ||||
| 		private UserInfoEndpoint userInfoEndpoint; | ||||
| 		private String jwkSetUri;	<11> | ||||
| 		private String issuerUri;	<12> | ||||
|         private Map<String, Object> configurationMetadata;  <13> | ||||
| 
 | ||||
| 		public class UserInfoEndpoint { | ||||
| 			private String uri;	<14> | ||||
|             private AuthenticationMethod authenticationMethod;  <15> | ||||
| 			private String userNameAttributeName;	<16> | ||||
| 
 | ||||
| 		} | ||||
| 	} | ||||
| } | ||||
| ---- | ||||
| <1> `registrationId`: The ID that uniquely identifies the `ClientRegistration`. | ||||
| <2> `clientId`: The client identifier. | ||||
| <3> `clientSecret`: The client secret. | ||||
| <4> `clientAuthenticationMethod`: The method used to authenticate the Client with the Provider. | ||||
| The supported values are *client_secret_basic*, *client_secret_post*, *private_key_jwt*, *client_secret_jwt* and *none* https://tools.ietf.org/html/rfc6749#section-2.1[(public clients)]. | ||||
| <5> `authorizationGrantType`: The OAuth 2.0 Authorization Framework defines four https://tools.ietf.org/html/rfc6749#section-1.3[Authorization Grant] types. | ||||
|  The supported values are `authorization_code`, `client_credentials`, `password`, as well as, extension grant type `urn:ietf:params:oauth:grant-type:jwt-bearer`. | ||||
| <6> `redirectUri`: The client's registered redirect URI that the _Authorization Server_ redirects the end-user's user-agent | ||||
|  to after the end-user has authenticated and authorized access to the client. | ||||
| <7> `scopes`: The scope(s) requested by the client during the Authorization Request flow, such as openid, email, or profile. | ||||
| <8> `clientName`: A descriptive name used for the client. | ||||
| The name may be used in certain scenarios, such as when displaying the name of the client in the auto-generated login page. | ||||
| <9> `authorizationUri`: The Authorization Endpoint URI for the Authorization Server. | ||||
| <10> `tokenUri`: The Token Endpoint URI for the Authorization Server. | ||||
| <11> `jwkSetUri`: The URI used to retrieve the https://tools.ietf.org/html/rfc7517[JSON Web Key (JWK)] Set from the Authorization Server, | ||||
|  which contains the cryptographic key(s) used to verify the https://tools.ietf.org/html/rfc7515[JSON Web Signature (JWS)] of the ID Token and optionally the UserInfo Response. | ||||
| <12> `issuerUri`: Returns the issuer identifier uri for the OpenID Connect 1.0 provider or the OAuth 2.0 Authorization Server. | ||||
| <13> `configurationMetadata`: The https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderConfig[OpenID Provider Configuration Information]. | ||||
|  This information will only be available if the Spring Boot 2.x property `spring.security.oauth2.client.provider.[providerId].issuerUri` is configured. | ||||
| <14> `(userInfoEndpoint)uri`: The UserInfo Endpoint URI used to access the claims/attributes of the authenticated end-user. | ||||
| <15> `(userInfoEndpoint)authenticationMethod`: The authentication method used when sending the access token to the UserInfo Endpoint. | ||||
| The supported values are *header*, *form* and *query*. | ||||
| <16> `userNameAttributeName`: The name of the attribute returned in the UserInfo Response that references the Name or Identifier of the end-user. | ||||
| 
 | ||||
| A `ClientRegistration` can be initially configured using discovery of an OpenID Connect Provider's https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderConfig[Configuration endpoint] or an Authorization Server's https://tools.ietf.org/html/rfc8414#section-3[Metadata endpoint]. | ||||
| 
 | ||||
| `ClientRegistrations` provides convenience methods for configuring a `ClientRegistration` in this way, as can be seen in the following example: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| ClientRegistration clientRegistration = | ||||
|     ClientRegistrations.fromIssuerLocation("https://idp.example.com/issuer").build(); | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| val clientRegistration = ClientRegistrations.fromIssuerLocation("https://idp.example.com/issuer").build() | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| The above code will query in series `https://idp.example.com/issuer/.well-known/openid-configuration`, and then `https://idp.example.com/.well-known/openid-configuration/issuer`, and finally `https://idp.example.com/.well-known/oauth-authorization-server/issuer`, stopping at the first to return a 200 response. | ||||
| 
 | ||||
| As an alternative, you can use `ClientRegistrations.fromOidcIssuerLocation()` to only query the OpenID Connect Provider's Configuration endpoint. | ||||
| 
 | ||||
| [[oauth2Client-client-registration-repo]] | ||||
| == ClientRegistrationRepository | ||||
| 
 | ||||
| The `ClientRegistrationRepository` serves as a repository for OAuth 2.0 / OpenID Connect 1.0 `ClientRegistration`(s). | ||||
| 
 | ||||
| [NOTE] | ||||
| Client registration information is ultimately stored and owned by the associated Authorization Server. | ||||
| This repository provides the ability to retrieve a sub-set of the primary client registration information, which is stored with the Authorization Server. | ||||
| 
 | ||||
| Spring Boot 2.x auto-configuration binds each of the properties under `spring.security.oauth2.client.registration._[registrationId]_` to an instance of `ClientRegistration` and then composes each of the `ClientRegistration` instance(s) within a `ClientRegistrationRepository`. | ||||
| 
 | ||||
| [NOTE] | ||||
| The default implementation of `ClientRegistrationRepository` is `InMemoryClientRegistrationRepository`. | ||||
| 
 | ||||
| The auto-configuration also registers the `ClientRegistrationRepository` as a `@Bean` in the `ApplicationContext` so that it is available for dependency-injection, if needed by the application. | ||||
| 
 | ||||
| The following listing shows an example: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Controller | ||||
| public class OAuth2ClientController { | ||||
| 
 | ||||
| 	@Autowired | ||||
| 	private ClientRegistrationRepository clientRegistrationRepository; | ||||
| 
 | ||||
| 	@GetMapping("/") | ||||
| 	public String index() { | ||||
| 		ClientRegistration oktaRegistration = | ||||
| 			this.clientRegistrationRepository.findByRegistrationId("okta"); | ||||
| 
 | ||||
| 		... | ||||
| 
 | ||||
| 		return "index"; | ||||
| 	} | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Controller | ||||
| class OAuth2ClientController { | ||||
| 
 | ||||
|     @Autowired | ||||
|     private lateinit var clientRegistrationRepository: ClientRegistrationRepository | ||||
| 
 | ||||
|     @GetMapping("/") | ||||
|     fun index(): String { | ||||
|         val oktaRegistration = | ||||
|                 this.clientRegistrationRepository.findByRegistrationId("okta") | ||||
| 
 | ||||
|         //... | ||||
| 
 | ||||
|         return "index"; | ||||
|     } | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| [[oauth2Client-authorized-client]] | ||||
| == OAuth2AuthorizedClient | ||||
| 
 | ||||
| `OAuth2AuthorizedClient` is a representation of an Authorized Client. | ||||
| A client is considered to be authorized when the end-user (Resource Owner) has granted authorization to the client to access its protected resources. | ||||
| 
 | ||||
| `OAuth2AuthorizedClient` serves the purpose of associating an `OAuth2AccessToken` (and optional `OAuth2RefreshToken`) to a `ClientRegistration` (client) and resource owner, who is the `Principal` end-user that granted the authorization. | ||||
| 
 | ||||
| 
 | ||||
| [[oauth2Client-authorized-repo-service]] | ||||
| == OAuth2AuthorizedClientRepository / OAuth2AuthorizedClientService | ||||
| 
 | ||||
| `OAuth2AuthorizedClientRepository` is responsible for persisting `OAuth2AuthorizedClient`(s) between web requests. | ||||
| Whereas, the primary role of `OAuth2AuthorizedClientService` is to manage `OAuth2AuthorizedClient`(s) at the application-level. | ||||
| 
 | ||||
| From a developer perspective, the `OAuth2AuthorizedClientRepository` or `OAuth2AuthorizedClientService` provides the capability to lookup an `OAuth2AccessToken` associated with a client so that it may be used to initiate a protected resource request. | ||||
| 
 | ||||
| The following listing shows an example: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Controller | ||||
| public class OAuth2ClientController { | ||||
| 
 | ||||
|     @Autowired | ||||
|     private OAuth2AuthorizedClientService authorizedClientService; | ||||
| 
 | ||||
|     @GetMapping("/") | ||||
|     public String index(Authentication authentication) { | ||||
|         OAuth2AuthorizedClient authorizedClient = | ||||
|             this.authorizedClientService.loadAuthorizedClient("okta", authentication.getName()); | ||||
| 
 | ||||
|         OAuth2AccessToken accessToken = authorizedClient.getAccessToken(); | ||||
| 
 | ||||
|         ... | ||||
| 
 | ||||
|         return "index"; | ||||
|     } | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Controller | ||||
| class OAuth2ClientController { | ||||
| 
 | ||||
|     @Autowired | ||||
|     private lateinit var authorizedClientService: OAuth2AuthorizedClientService | ||||
| 
 | ||||
|     @GetMapping("/") | ||||
|     fun index(authentication: Authentication): String { | ||||
|         val authorizedClient: OAuth2AuthorizedClient = | ||||
|             this.authorizedClientService.loadAuthorizedClient("okta", authentication.getName()); | ||||
|         val accessToken = authorizedClient.accessToken | ||||
| 
 | ||||
|         ... | ||||
| 
 | ||||
|         return "index"; | ||||
|     } | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| [NOTE] | ||||
| Spring Boot 2.x auto-configuration registers an `OAuth2AuthorizedClientRepository` and/or `OAuth2AuthorizedClientService` `@Bean` in the `ApplicationContext`. | ||||
| However, the application may choose to override and register a custom `OAuth2AuthorizedClientRepository` or `OAuth2AuthorizedClientService` `@Bean`. | ||||
| 
 | ||||
| The default implementation of `OAuth2AuthorizedClientService` is `InMemoryOAuth2AuthorizedClientService`, which stores `OAuth2AuthorizedClient`(s) in-memory. | ||||
| 
 | ||||
| Alternatively, the JDBC implementation `JdbcOAuth2AuthorizedClientService` may be configured for persisting `OAuth2AuthorizedClient`(s) in a database. | ||||
| 
 | ||||
| [NOTE] | ||||
| `JdbcOAuth2AuthorizedClientService` depends on the table definition described in xref:servlet/appendix/database-schema.adoc#dbschema-oauth2-client[ OAuth 2.0 Client Schema]. | ||||
| 
 | ||||
| 
 | ||||
| [[oauth2Client-authorized-manager-provider]] | ||||
| == OAuth2AuthorizedClientManager / OAuth2AuthorizedClientProvider | ||||
| 
 | ||||
| The `OAuth2AuthorizedClientManager` is responsible for the overall management of `OAuth2AuthorizedClient`(s). | ||||
| 
 | ||||
| The primary responsibilities include: | ||||
| 
 | ||||
| * Authorizing (or re-authorizing) an OAuth 2.0 Client, using an `OAuth2AuthorizedClientProvider`. | ||||
| * Delegating the persistence of an `OAuth2AuthorizedClient`, typically using an `OAuth2AuthorizedClientService` or `OAuth2AuthorizedClientRepository`. | ||||
| * Delegating to an `OAuth2AuthorizationSuccessHandler` when an OAuth 2.0 Client has been successfully authorized (or re-authorized). | ||||
| * Delegating to an `OAuth2AuthorizationFailureHandler` when an OAuth 2.0 Client fails to authorize (or re-authorize). | ||||
| 
 | ||||
| An `OAuth2AuthorizedClientProvider` implements a strategy for authorizing (or re-authorizing) an OAuth 2.0 Client. | ||||
| Implementations will typically implement an authorization grant type, eg. `authorization_code`, `client_credentials`, etc. | ||||
| 
 | ||||
| The default implementation of `OAuth2AuthorizedClientManager` is `DefaultOAuth2AuthorizedClientManager`, which is associated with an `OAuth2AuthorizedClientProvider` that may support multiple authorization grant types using a delegation-based composite. | ||||
| The `OAuth2AuthorizedClientProviderBuilder` may be used to configure and build the delegation-based composite. | ||||
| 
 | ||||
| The following code shows an example of how to configure and build an `OAuth2AuthorizedClientProvider` composite that provides support for the `authorization_code`, `refresh_token`, `client_credentials` and `password` authorization grant types: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Bean | ||||
| public OAuth2AuthorizedClientManager authorizedClientManager( | ||||
| 		ClientRegistrationRepository clientRegistrationRepository, | ||||
| 		OAuth2AuthorizedClientRepository authorizedClientRepository) { | ||||
| 
 | ||||
| 	OAuth2AuthorizedClientProvider authorizedClientProvider = | ||||
| 			OAuth2AuthorizedClientProviderBuilder.builder() | ||||
| 					.authorizationCode() | ||||
| 					.refreshToken() | ||||
| 					.clientCredentials() | ||||
| 					.password() | ||||
| 					.build(); | ||||
| 
 | ||||
| 	DefaultOAuth2AuthorizedClientManager authorizedClientManager = | ||||
| 			new DefaultOAuth2AuthorizedClientManager( | ||||
| 					clientRegistrationRepository, authorizedClientRepository); | ||||
| 	authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider); | ||||
| 
 | ||||
| 	return authorizedClientManager; | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Bean | ||||
| fun authorizedClientManager( | ||||
|         clientRegistrationRepository: ClientRegistrationRepository, | ||||
|         authorizedClientRepository: OAuth2AuthorizedClientRepository): OAuth2AuthorizedClientManager { | ||||
|     val authorizedClientProvider = OAuth2AuthorizedClientProviderBuilder.builder() | ||||
|             .authorizationCode() | ||||
|             .refreshToken() | ||||
|             .clientCredentials() | ||||
|             .password() | ||||
|             .build() | ||||
|     val authorizedClientManager = DefaultOAuth2AuthorizedClientManager( | ||||
|             clientRegistrationRepository, authorizedClientRepository) | ||||
|     authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider) | ||||
|     return authorizedClientManager | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| When an authorization attempt succeeds, the `DefaultOAuth2AuthorizedClientManager` will delegate to the `OAuth2AuthorizationSuccessHandler`, which (by default) will save the `OAuth2AuthorizedClient` via the `OAuth2AuthorizedClientRepository`. | ||||
| In the case of a re-authorization failure, eg. a refresh token is no longer valid, the previously saved `OAuth2AuthorizedClient` will be removed from the `OAuth2AuthorizedClientRepository` via the `RemoveAuthorizedClientOAuth2AuthorizationFailureHandler`. | ||||
| The default behaviour may be customized via `setAuthorizationSuccessHandler(OAuth2AuthorizationSuccessHandler)` and `setAuthorizationFailureHandler(OAuth2AuthorizationFailureHandler)`. | ||||
| 
 | ||||
| The `DefaultOAuth2AuthorizedClientManager` is also associated with a `contextAttributesMapper` of type `Function<OAuth2AuthorizeRequest, Map<String, Object>>`, which is responsible for mapping attribute(s) from the `OAuth2AuthorizeRequest` to a `Map` of attributes to be associated to the `OAuth2AuthorizationContext`. | ||||
| This can be useful when you need to supply an `OAuth2AuthorizedClientProvider` with required (supported) attribute(s), eg. the `PasswordOAuth2AuthorizedClientProvider` requires the resource owner's `username` and `password` to be available in `OAuth2AuthorizationContext.getAttributes()`. | ||||
| 
 | ||||
| The following code shows an example of the `contextAttributesMapper`: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Bean | ||||
| public OAuth2AuthorizedClientManager authorizedClientManager( | ||||
| 		ClientRegistrationRepository clientRegistrationRepository, | ||||
| 		OAuth2AuthorizedClientRepository authorizedClientRepository) { | ||||
| 
 | ||||
| 	OAuth2AuthorizedClientProvider authorizedClientProvider = | ||||
| 			OAuth2AuthorizedClientProviderBuilder.builder() | ||||
| 					.password() | ||||
| 					.refreshToken() | ||||
| 					.build(); | ||||
| 
 | ||||
| 	DefaultOAuth2AuthorizedClientManager authorizedClientManager = | ||||
| 			new DefaultOAuth2AuthorizedClientManager( | ||||
| 					clientRegistrationRepository, authorizedClientRepository); | ||||
| 	authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider); | ||||
| 
 | ||||
| 	// Assuming the `username` and `password` are supplied as `HttpServletRequest` parameters, | ||||
| 	// map the `HttpServletRequest` parameters to `OAuth2AuthorizationContext.getAttributes()` | ||||
| 	authorizedClientManager.setContextAttributesMapper(contextAttributesMapper()); | ||||
| 
 | ||||
| 	return authorizedClientManager; | ||||
| } | ||||
| 
 | ||||
| private Function<OAuth2AuthorizeRequest, Map<String, Object>> contextAttributesMapper() { | ||||
| 	return authorizeRequest -> { | ||||
| 		Map<String, Object> contextAttributes = Collections.emptyMap(); | ||||
| 		HttpServletRequest servletRequest = authorizeRequest.getAttribute(HttpServletRequest.class.getName()); | ||||
| 		String username = servletRequest.getParameter(OAuth2ParameterNames.USERNAME); | ||||
| 		String password = servletRequest.getParameter(OAuth2ParameterNames.PASSWORD); | ||||
| 		if (StringUtils.hasText(username) && StringUtils.hasText(password)) { | ||||
| 			contextAttributes = new HashMap<>(); | ||||
| 
 | ||||
| 			// `PasswordOAuth2AuthorizedClientProvider` requires both attributes | ||||
| 			contextAttributes.put(OAuth2AuthorizationContext.USERNAME_ATTRIBUTE_NAME, username); | ||||
| 			contextAttributes.put(OAuth2AuthorizationContext.PASSWORD_ATTRIBUTE_NAME, password); | ||||
| 		} | ||||
| 		return contextAttributes; | ||||
| 	}; | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Bean | ||||
| fun authorizedClientManager( | ||||
|         clientRegistrationRepository: ClientRegistrationRepository, | ||||
|         authorizedClientRepository: OAuth2AuthorizedClientRepository): OAuth2AuthorizedClientManager { | ||||
|     val authorizedClientProvider = OAuth2AuthorizedClientProviderBuilder.builder() | ||||
|             .password() | ||||
|             .refreshToken() | ||||
|             .build() | ||||
|     val authorizedClientManager = DefaultOAuth2AuthorizedClientManager( | ||||
|             clientRegistrationRepository, authorizedClientRepository) | ||||
|     authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider) | ||||
| 
 | ||||
|     // Assuming the `username` and `password` are supplied as `HttpServletRequest` parameters, | ||||
|     // map the `HttpServletRequest` parameters to `OAuth2AuthorizationContext.getAttributes()` | ||||
|     authorizedClientManager.setContextAttributesMapper(contextAttributesMapper()) | ||||
|     return authorizedClientManager | ||||
| } | ||||
| 
 | ||||
| private fun contextAttributesMapper(): Function<OAuth2AuthorizeRequest, MutableMap<String, Any>> { | ||||
|     return Function { authorizeRequest -> | ||||
|         var contextAttributes: MutableMap<String, Any> = mutableMapOf() | ||||
|         val servletRequest: HttpServletRequest = authorizeRequest.getAttribute(HttpServletRequest::class.java.name) | ||||
|         val username: String = servletRequest.getParameter(OAuth2ParameterNames.USERNAME) | ||||
|         val password: String = servletRequest.getParameter(OAuth2ParameterNames.PASSWORD) | ||||
|         if (StringUtils.hasText(username) && StringUtils.hasText(password)) { | ||||
|             contextAttributes = hashMapOf() | ||||
| 
 | ||||
|             // `PasswordOAuth2AuthorizedClientProvider` requires both attributes | ||||
|             contextAttributes[OAuth2AuthorizationContext.USERNAME_ATTRIBUTE_NAME] = username | ||||
|             contextAttributes[OAuth2AuthorizationContext.PASSWORD_ATTRIBUTE_NAME] = password | ||||
|         } | ||||
|         contextAttributes | ||||
|     } | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| The `DefaultOAuth2AuthorizedClientManager` is designed to be used *_within_* the context of a `HttpServletRequest`. | ||||
| When operating *_outside_* of a `HttpServletRequest` context, use `AuthorizedClientServiceOAuth2AuthorizedClientManager` instead. | ||||
| 
 | ||||
| A _service application_ is a common use case for when to use an `AuthorizedClientServiceOAuth2AuthorizedClientManager`. | ||||
| Service applications often run in the background, without any user interaction, and typically run under a system-level account instead of a user account. | ||||
| An OAuth 2.0 Client configured with the `client_credentials` grant type can be considered a type of service application. | ||||
| 
 | ||||
| The following code shows an example of how to configure an `AuthorizedClientServiceOAuth2AuthorizedClientManager` that provides support for the `client_credentials` grant type: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Bean | ||||
| public OAuth2AuthorizedClientManager authorizedClientManager( | ||||
| 		ClientRegistrationRepository clientRegistrationRepository, | ||||
| 		OAuth2AuthorizedClientService authorizedClientService) { | ||||
| 
 | ||||
| 	OAuth2AuthorizedClientProvider authorizedClientProvider = | ||||
| 			OAuth2AuthorizedClientProviderBuilder.builder() | ||||
| 					.clientCredentials() | ||||
| 					.build(); | ||||
| 
 | ||||
| 	AuthorizedClientServiceOAuth2AuthorizedClientManager authorizedClientManager = | ||||
| 			new AuthorizedClientServiceOAuth2AuthorizedClientManager( | ||||
| 					clientRegistrationRepository, authorizedClientService); | ||||
| 	authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider); | ||||
| 
 | ||||
| 	return authorizedClientManager; | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Bean | ||||
| fun authorizedClientManager( | ||||
|         clientRegistrationRepository: ClientRegistrationRepository, | ||||
|         authorizedClientService: OAuth2AuthorizedClientService): OAuth2AuthorizedClientManager { | ||||
|     val authorizedClientProvider = OAuth2AuthorizedClientProviderBuilder.builder() | ||||
|             .clientCredentials() | ||||
|             .build() | ||||
|     val authorizedClientManager = AuthorizedClientServiceOAuth2AuthorizedClientManager( | ||||
|             clientRegistrationRepository, authorizedClientService) | ||||
|     authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider) | ||||
|     return authorizedClientManager | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
|  | @ -0,0 +1,146 @@ | |||
| [[oauth2client]] | ||||
| = OAuth 2.0 Client | ||||
| :page-section-summary-toc: 1 | ||||
| 
 | ||||
| The OAuth 2.0 Client features provide support for the Client role as defined in the https://tools.ietf.org/html/rfc6749#section-1.1[OAuth 2.0 Authorization Framework]. | ||||
| 
 | ||||
| At a high-level, the core features available are: | ||||
| 
 | ||||
| .Authorization Grant support | ||||
| * https://tools.ietf.org/html/rfc6749#section-1.3.1[Authorization Code] | ||||
| * https://tools.ietf.org/html/rfc6749#section-6[Refresh Token] | ||||
| * https://tools.ietf.org/html/rfc6749#section-1.3.4[Client Credentials] | ||||
| * https://tools.ietf.org/html/rfc6749#section-1.3.3[Resource Owner Password Credentials] | ||||
| * https://datatracker.ietf.org/doc/html/rfc7523#section-2.1[JWT Bearer] | ||||
| 
 | ||||
| .Client Authentication support | ||||
| * https://datatracker.ietf.org/doc/html/rfc7523#section-2.2[JWT Bearer] | ||||
| 
 | ||||
| .HTTP Client support | ||||
| * xref:servlet/oauth2/client/authorized-clients.adoc#oauth2Client-webclient-servlet[`WebClient` integration for Servlet Environments] (for requesting protected resources) | ||||
| 
 | ||||
| The `HttpSecurity.oauth2Client()` DSL provides a number of configuration options for customizing the core components used by OAuth 2.0 Client. | ||||
| In addition, `HttpSecurity.oauth2Client().authorizationCodeGrant()` enables the customization of the Authorization Code grant. | ||||
| 
 | ||||
| The following code shows the complete configuration options provided by the `HttpSecurity.oauth2Client()` DSL: | ||||
| 
 | ||||
| .OAuth2 Client Configuration Options | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @EnableWebSecurity | ||||
| public class OAuth2ClientSecurityConfig extends WebSecurityConfigurerAdapter { | ||||
| 
 | ||||
| 	@Override | ||||
| 	protected void configure(HttpSecurity http) throws Exception { | ||||
| 		http | ||||
| 			.oauth2Client(oauth2 -> oauth2 | ||||
| 				.clientRegistrationRepository(this.clientRegistrationRepository()) | ||||
| 				.authorizedClientRepository(this.authorizedClientRepository()) | ||||
| 				.authorizedClientService(this.authorizedClientService()) | ||||
| 				.authorizationCodeGrant(codeGrant -> codeGrant | ||||
| 					.authorizationRequestRepository(this.authorizationRequestRepository()) | ||||
| 					.authorizationRequestResolver(this.authorizationRequestResolver()) | ||||
| 					.accessTokenResponseClient(this.accessTokenResponseClient()) | ||||
| 				) | ||||
| 			); | ||||
| 	} | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @EnableWebSecurity | ||||
| class OAuth2ClientSecurityConfig : WebSecurityConfigurerAdapter() { | ||||
| 
 | ||||
|     override fun configure(http: HttpSecurity) { | ||||
|         http { | ||||
|             oauth2Client { | ||||
|                 clientRegistrationRepository = clientRegistrationRepository() | ||||
|                 authorizedClientRepository = authorizedClientRepository() | ||||
|                 authorizedClientService = authorizedClientService() | ||||
|                 authorizationCodeGrant { | ||||
|                     authorizationRequestRepository = authorizationRequestRepository() | ||||
|                     authorizationRequestResolver = authorizationRequestResolver() | ||||
|                     accessTokenResponseClient = accessTokenResponseClient() | ||||
|                 } | ||||
|             } | ||||
|         } | ||||
|     } | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| In addition to the `HttpSecurity.oauth2Client()` DSL, XML configuration is also supported. | ||||
| 
 | ||||
| The following code shows the complete configuration options available in the xref:servlet/appendix/namespace/http.adoc#nsa-oauth2-client[ security namespace]: | ||||
| 
 | ||||
| .OAuth2 Client XML Configuration Options | ||||
| ==== | ||||
| [source,xml] | ||||
| ---- | ||||
| <http> | ||||
| 	<oauth2-client client-registration-repository-ref="clientRegistrationRepository" | ||||
| 				   authorized-client-repository-ref="authorizedClientRepository" | ||||
| 				   authorized-client-service-ref="authorizedClientService"> | ||||
| 		<authorization-code-grant | ||||
| 				authorization-request-repository-ref="authorizationRequestRepository" | ||||
| 				authorization-request-resolver-ref="authorizationRequestResolver" | ||||
| 				access-token-response-client-ref="accessTokenResponseClient"/> | ||||
| 	</oauth2-client> | ||||
| </http> | ||||
| ---- | ||||
| ==== | ||||
| 
 | ||||
| The `OAuth2AuthorizedClientManager` is responsible for managing the authorization (or re-authorization) of an OAuth 2.0 Client, in collaboration with one or more `OAuth2AuthorizedClientProvider`(s). | ||||
| 
 | ||||
| The following code shows an example of how to register an `OAuth2AuthorizedClientManager` `@Bean` and associate it with an `OAuth2AuthorizedClientProvider` composite that provides support for the `authorization_code`, `refresh_token`, `client_credentials` and `password` authorization grant types: | ||||
| 
 | ||||
| ==== | ||||
| .Java | ||||
| [source,java,role="primary"] | ||||
| ---- | ||||
| @Bean | ||||
| public OAuth2AuthorizedClientManager authorizedClientManager( | ||||
| 		ClientRegistrationRepository clientRegistrationRepository, | ||||
| 		OAuth2AuthorizedClientRepository authorizedClientRepository) { | ||||
| 
 | ||||
| 	OAuth2AuthorizedClientProvider authorizedClientProvider = | ||||
| 			OAuth2AuthorizedClientProviderBuilder.builder() | ||||
| 					.authorizationCode() | ||||
| 					.refreshToken() | ||||
| 					.clientCredentials() | ||||
| 					.password() | ||||
| 					.build(); | ||||
| 
 | ||||
| 	DefaultOAuth2AuthorizedClientManager authorizedClientManager = | ||||
| 			new DefaultOAuth2AuthorizedClientManager( | ||||
| 					clientRegistrationRepository, authorizedClientRepository); | ||||
| 	authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider); | ||||
| 
 | ||||
| 	return authorizedClientManager; | ||||
| } | ||||
| ---- | ||||
| 
 | ||||
| .Kotlin | ||||
| [source,kotlin,role="secondary"] | ||||
| ---- | ||||
| @Bean | ||||
| fun authorizedClientManager( | ||||
|         clientRegistrationRepository: ClientRegistrationRepository, | ||||
|         authorizedClientRepository: OAuth2AuthorizedClientRepository): OAuth2AuthorizedClientManager { | ||||
|     val authorizedClientProvider: OAuth2AuthorizedClientProvider = OAuth2AuthorizedClientProviderBuilder.builder() | ||||
|             .authorizationCode() | ||||
|             .refreshToken() | ||||
|             .clientCredentials() | ||||
|             .password() | ||||
|             .build() | ||||
|     val authorizedClientManager = DefaultOAuth2AuthorizedClientManager( | ||||
|             clientRegistrationRepository, authorizedClientRepository) | ||||
|     authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider) | ||||
|     return authorizedClientManager | ||||
| } | ||||
| ---- | ||||
| ==== | ||||
|  | @ -40,10 +40,10 @@ The redirect URI is the path in the application that the end-user's user-agent i | |||
| In the "Set a redirect URI" sub-section, ensure that the *Authorized redirect URIs* field is set to `http://localhost:8080/login/oauth2/code/google`. | ||||
| 
 | ||||
| TIP: The default redirect URI template is `+{baseUrl}/login/oauth2/code/{registrationId}+`. | ||||
| The *_registrationId_* is a unique identifier for the xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-client-registration[ClientRegistration]. | ||||
| The *_registrationId_* is a unique identifier for the xref:servlet/oauth2/client/index.adoc#oauth2Client-client-registration[ClientRegistration]. | ||||
| 
 | ||||
| IMPORTANT: If the OAuth Client is running behind a proxy server, it is recommended to check xref:features/exploits/http.adoc#http-proxy-server[Proxy Server Configuration] to ensure the application is correctly configured. | ||||
| Also, see the supported xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-auth-code-redirect-uri[ `URI` template variables] for `redirect-uri`. | ||||
| Also, see the supported xref:servlet/oauth2/client/authorization-grants.adoc#oauth2Client-auth-code-redirect-uri[ `URI` template variables] for `redirect-uri`. | ||||
| 
 | ||||
| 
 | ||||
| [[oauth2login-sample-application-config]] | ||||
|  | @ -69,7 +69,7 @@ spring: | |||
| .OAuth Client properties | ||||
| ==== | ||||
| <1> `spring.security.oauth2.client.registration` is the base property prefix for OAuth Client properties. | ||||
| <2> Following the base property prefix is the ID for the xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-client-registration[ClientRegistration], such as google. | ||||
| <2> Following the base property prefix is the ID for the xref:servlet/oauth2/client/index.adoc#oauth2Client-client-registration[ClientRegistration], such as google. | ||||
| ==== | ||||
| 
 | ||||
| . Replace the values in the `client-id` and `client-secret` property with the OAuth 2.0 credentials you created earlier. | ||||
|  | @ -93,7 +93,7 @@ At this point, the OAuth Client retrieves your email address and basic profile i | |||
| [[oauth2login-boot-property-mappings]] | ||||
| == Spring Boot 2.x Property Mappings | ||||
| 
 | ||||
| The following table outlines the mapping of the Spring Boot 2.x OAuth Client properties to the xref:servlet/oauth2/oauth2-client.adoc#oauth2Client-client-registration[ClientRegistration] properties. | ||||
| The following table outlines the mapping of the Spring Boot 2.x OAuth Client properties to the xref:servlet/oauth2/client/index.adoc#oauth2Client-client-registration[ClientRegistration] properties. | ||||
| 
 | ||||
| |=== | ||||
| |Spring Boot 2.x |ClientRegistration | ||||
|  |  | |||
|  | @ -241,7 +241,7 @@ fun rest(): RestTemplate { | |||
| 
 | ||||
| [NOTE] | ||||
| Unlike the {security-api-url}org/springframework/security/oauth2/client/OAuth2AuthorizedClientManager.html[OAuth 2.0 Authorized Client Manager], this filter interceptor makes no attempt to renew the token, should it be expired. | ||||
| To obtain this level of support, please create an interceptor using the xref:servlet/oauth2/oauth2-client.adoc#oauth2client[OAuth 2.0 Authorized Client Manager]. | ||||
| To obtain this level of support, please create an interceptor using the xref:servlet/oauth2/client/index.adoc#oauth2client[OAuth 2.0 Authorized Client Manager]. | ||||
| 
 | ||||
| [[oauth2resourceserver-bearertoken-failure]] | ||||
| == Bearer Token Failure | ||||
|  |  | |||
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		Reference in New Issue