978 lines
66 KiB
Plaintext
978 lines
66 KiB
Plaintext
[[oauth2AuthorizationServer-protocol-endpoints]]
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= Protocol Endpoints
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[[oauth2AuthorizationServer-oauth2-authorization-endpoint]]
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== OAuth2 Authorization Endpoint
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`OAuth2AuthorizationEndpointConfigurer` provides the ability to customize the https://datatracker.ietf.org/doc/html/rfc6749#section-3.1[OAuth2 Authorization endpoint].
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It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for https://datatracker.ietf.org/doc/html/rfc6749#section-4.1.1[OAuth2 authorization requests].
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`OAuth2AuthorizationEndpointConfigurer` provides the following configuration options:
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[source,java]
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----
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@Bean
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public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
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http
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.oauth2AuthorizationServer((authorizationServer) ->
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authorizationServer
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.authorizationEndpoint(authorizationEndpoint ->
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authorizationEndpoint
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.authorizationRequestConverter(authorizationRequestConverter) <1>
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.authorizationRequestConverters(authorizationRequestConvertersConsumer) <2>
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.authenticationProvider(authenticationProvider) <3>
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.authenticationProviders(authenticationProvidersConsumer) <4>
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.authorizationResponseHandler(authorizationResponseHandler) <5>
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.errorResponseHandler(errorResponseHandler) <6>
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.consentPage("/oauth2/v1/authorize") <7>
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)
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);
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return http.build();
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}
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----
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<1> `authorizationRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract an https://datatracker.ietf.org/doc/html/rfc6749#section-4.1.1[OAuth2 authorization request] (or consent) from `HttpServletRequest` to an instance of `OAuth2AuthorizationCodeRequestAuthenticationToken` or `OAuth2AuthorizationConsentAuthenticationToken`.
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<2> `authorizationRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
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<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OAuth2AuthorizationCodeRequestAuthenticationToken` or `OAuth2AuthorizationConsentAuthenticationToken`.
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<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
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<5> `authorizationResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an "`authenticated`" `OAuth2AuthorizationCodeRequestAuthenticationToken` and returning the https://datatracker.ietf.org/doc/html/rfc6749#section-4.1.2[OAuth2AuthorizationResponse].
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<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthorizationCodeRequestAuthenticationException` and returning the https://datatracker.ietf.org/doc/html/rfc6749#section-4.1.2.1[OAuth2Error response].
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<7> `consentPage()`: The `URI` of the custom consent page to redirect resource owners to if consent is required during the authorization request flow.
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`OAuth2AuthorizationEndpointConfigurer` configures the `OAuth2AuthorizationEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
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`OAuth2AuthorizationEndpointFilter` is the `Filter` that processes OAuth2 authorization requests (and consents).
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`OAuth2AuthorizationEndpointFilter` is configured with the following defaults:
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* `*AuthenticationConverter*` -- A `DelegatingAuthenticationConverter` composed of `OAuth2AuthorizationCodeRequestAuthenticationConverter` and `OAuth2AuthorizationConsentAuthenticationConverter`.
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* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OAuth2AuthorizationCodeRequestAuthenticationProvider` and `OAuth2AuthorizationConsentAuthenticationProvider`.
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* `*AuthenticationSuccessHandler*` -- An internal implementation that handles an "`authenticated`" `OAuth2AuthorizationCodeRequestAuthenticationToken` and returns the `OAuth2AuthorizationResponse`.
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* `*AuthenticationFailureHandler*` -- An internal implementation that uses the `OAuth2Error` associated with the `OAuth2AuthorizationCodeRequestAuthenticationException` and returns the `OAuth2Error` response.
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[[oauth2AuthorizationServer-oauth2-authorization-endpoint-customizing-authorization-request-validation]]
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=== Customizing Authorization Request Validation
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`OAuth2AuthorizationCodeRequestAuthenticationValidator` is the default validator used for validating specific OAuth2 authorization request parameters used in the Authorization Code Grant.
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The default implementation validates the `redirect_uri` and `scope` parameters.
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If validation fails, an `OAuth2AuthorizationCodeRequestAuthenticationException` is thrown.
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`OAuth2AuthorizationCodeRequestAuthenticationProvider` provides the ability to override the default authorization request validation by supplying a custom authentication validator of type `Consumer<OAuth2AuthorizationCodeRequestAuthenticationContext>` to `setAuthenticationValidator()`.
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[TIP]
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`OAuth2AuthorizationCodeRequestAuthenticationContext` holds the `OAuth2AuthorizationCodeRequestAuthenticationToken`, which contains the OAuth2 authorization request parameters.
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[IMPORTANT]
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If validation fails, the authentication validator *MUST* throw `OAuth2AuthorizationCodeRequestAuthenticationException`.
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A common use case during the development life cycle phase is to allow for `localhost` in the `redirect_uri` parameter.
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The following example shows how to configure `OAuth2AuthorizationCodeRequestAuthenticationProvider` with a custom authentication validator that allows for `localhost` in the `redirect_uri` parameter:
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[source,java]
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----
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@Bean
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public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
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http
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.oauth2AuthorizationServer((authorizationServer) ->
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authorizationServer
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.authorizationEndpoint(authorizationEndpoint ->
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authorizationEndpoint
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.authenticationProviders(configureAuthenticationValidator())
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)
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);
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return http.build();
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}
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private Consumer<List<AuthenticationProvider>> configureAuthenticationValidator() {
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return (authenticationProviders) ->
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authenticationProviders.forEach((authenticationProvider) -> {
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if (authenticationProvider instanceof OAuth2AuthorizationCodeRequestAuthenticationProvider) {
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Consumer<OAuth2AuthorizationCodeRequestAuthenticationContext> authenticationValidator =
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// Override default redirect_uri validator
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new CustomRedirectUriValidator()
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// Reuse default scope validator
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.andThen(OAuth2AuthorizationCodeRequestAuthenticationValidator.DEFAULT_SCOPE_VALIDATOR);
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((OAuth2AuthorizationCodeRequestAuthenticationProvider) authenticationProvider)
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.setAuthenticationValidator(authenticationValidator);
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}
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});
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}
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static class CustomRedirectUriValidator implements Consumer<OAuth2AuthorizationCodeRequestAuthenticationContext> {
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@Override
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public void accept(OAuth2AuthorizationCodeRequestAuthenticationContext authenticationContext) {
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OAuth2AuthorizationCodeRequestAuthenticationToken authorizationCodeRequestAuthentication =
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authenticationContext.getAuthentication();
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RegisteredClient registeredClient = authenticationContext.getRegisteredClient();
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String requestedRedirectUri = authorizationCodeRequestAuthentication.getRedirectUri();
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// Use exact string matching when comparing client redirect URIs against pre-registered URIs
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if (!registeredClient.getRedirectUris().contains(requestedRedirectUri)) {
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OAuth2Error error = new OAuth2Error(OAuth2ErrorCodes.INVALID_REQUEST);
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throw new OAuth2AuthorizationCodeRequestAuthenticationException(error, null);
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}
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}
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}
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----
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[[oauth2AuthorizationServer-oauth2-pushed-authorization-request-endpoint]]
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== OAuth2 Pushed Authorization Request Endpoint
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`OAuth2PushedAuthorizationRequestEndpointConfigurer` provides the ability to customize the https://datatracker.ietf.org/doc/html/rfc9126#section-2[OAuth2 Pushed Authorization Request endpoint].
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It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for https://datatracker.ietf.org/doc/html/rfc9126#section-2.1[OAuth2 Pushed Authorization requests].
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`OAuth2PushedAuthorizationRequestEndpointConfigurer` provides the following configuration options:
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[source,java]
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----
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@Bean
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public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
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http
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.oauth2AuthorizationServer((authorizationServer) ->
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authorizationServer
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.pushedAuthorizationRequestEndpoint(pushedAuthorizationRequestEndpoint ->
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pushedAuthorizationRequestEndpoint
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.pushedAuthorizationRequestConverter(pushedAuthorizationRequestConverter) <1>
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.pushedAuthorizationRequestConverters(pushedAuthorizationRequestConvertersConsumer) <2>
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.authenticationProvider(authenticationProvider) <3>
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.authenticationProviders(authenticationProvidersConsumer) <4>
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.pushedAuthorizationResponseHandler(pushedAuthorizationResponseHandler) <5>
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.errorResponseHandler(errorResponseHandler) <6>
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)
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);
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return http.build();
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}
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----
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<1> `pushedAuthorizationRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract an https://datatracker.ietf.org/doc/html/rfc9126#section-2.1[OAuth2 pushed authorization request] from `HttpServletRequest` to an instance of `OAuth2PushedAuthorizationRequestAuthenticationToken`.
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<2> `pushedAuthorizationRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
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<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OAuth2PushedAuthorizationRequestAuthenticationToken`.
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<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
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<5> `pushedAuthorizationResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an "`authenticated`" `OAuth2PushedAuthorizationRequestAuthenticationToken` and returning the https://datatracker.ietf.org/doc/html/rfc9126#section-2.2[OAuth2 pushed authorization response].
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<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthenticationException` and returning the https://datatracker.ietf.org/doc/html/rfc9126#section-2.3[OAuth2Error response].
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`OAuth2PushedAuthorizationRequestEndpointConfigurer` configures the `OAuth2PushedAuthorizationRequestEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
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`OAuth2PushedAuthorizationRequestEndpointFilter` is the `Filter` that processes OAuth2 pushed authorization requests.
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`OAuth2PushedAuthorizationRequestEndpointFilter` is configured with the following defaults:
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* `*AuthenticationConverter*` -- A `DelegatingAuthenticationConverter` composed of `OAuth2AuthorizationCodeRequestAuthenticationConverter`.
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* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OAuth2PushedAuthorizationRequestAuthenticationProvider`.
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* `*AuthenticationSuccessHandler*` -- An internal implementation that handles an "`authenticated`" `OAuth2PushedAuthorizationRequestAuthenticationToken` and returns the OAuth2 pushed authorization response.
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* `*AuthenticationFailureHandler*` -- An `OAuth2ErrorAuthenticationFailureHandler`.
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[[oauth2AuthorizationServer-oauth2-pushed-authorization-request-endpoint-customizing-pushed-authorization-request-validation]]
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=== Customizing Pushed Authorization Request Validation
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`OAuth2AuthorizationCodeRequestAuthenticationValidator` is the default validator used for validating specific OAuth2 pushed authorization request parameters used in the Authorization Code Grant.
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The default implementation validates the `redirect_uri` and `scope` parameters.
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If validation fails, an `OAuth2AuthorizationCodeRequestAuthenticationException` is thrown.
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`OAuth2PushedAuthorizationRequestAuthenticationProvider` provides the ability to override the default pushed authorization request validation by supplying a custom authentication validator of type `Consumer<OAuth2AuthorizationCodeRequestAuthenticationContext>` to `setAuthenticationValidator()`.
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[TIP]
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`OAuth2AuthorizationCodeRequestAuthenticationContext` holds the `OAuth2AuthorizationCodeRequestAuthenticationToken`, which contains the OAuth2 pushed authorization request parameters.
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[IMPORTANT]
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If validation fails, the authentication validator *MUST* throw `OAuth2AuthorizationCodeRequestAuthenticationException`.
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A common use case during the development life cycle phase is to allow for `localhost` in the `redirect_uri` parameter.
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The following example shows how to configure `OAuth2PushedAuthorizationRequestAuthenticationProvider` with a custom authentication validator that allows for `localhost` in the `redirect_uri` parameter:
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[source,java]
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----
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@Bean
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public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
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http
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.oauth2AuthorizationServer((authorizationServer) ->
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authorizationServer
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.pushedAuthorizationRequestEndpoint(pushedAuthorizationRequestEndpoint ->
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pushedAuthorizationRequestEndpoint
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.authenticationProviders(configureAuthenticationValidator())
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)
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);
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return http.build();
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}
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private Consumer<List<AuthenticationProvider>> configureAuthenticationValidator() {
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return (authenticationProviders) ->
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authenticationProviders.forEach((authenticationProvider) -> {
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if (authenticationProvider instanceof OAuth2PushedAuthorizationRequestAuthenticationProvider) {
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Consumer<OAuth2AuthorizationCodeRequestAuthenticationContext> authenticationValidator =
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// Override default redirect_uri validator
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new CustomRedirectUriValidator()
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// Reuse default scope validator
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.andThen(OAuth2AuthorizationCodeRequestAuthenticationValidator.DEFAULT_SCOPE_VALIDATOR);
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((OAuth2PushedAuthorizationRequestAuthenticationProvider) authenticationProvider)
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.setAuthenticationValidator(authenticationValidator);
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}
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});
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}
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static class CustomRedirectUriValidator implements Consumer<OAuth2AuthorizationCodeRequestAuthenticationContext> {
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@Override
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public void accept(OAuth2AuthorizationCodeRequestAuthenticationContext authenticationContext) {
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OAuth2AuthorizationCodeRequestAuthenticationToken authorizationCodeRequestAuthentication =
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authenticationContext.getAuthentication();
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RegisteredClient registeredClient = authenticationContext.getRegisteredClient();
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String requestedRedirectUri = authorizationCodeRequestAuthentication.getRedirectUri();
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// Use exact string matching when comparing client redirect URIs against pre-registered URIs
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if (!registeredClient.getRedirectUris().contains(requestedRedirectUri)) {
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OAuth2Error error = new OAuth2Error(OAuth2ErrorCodes.INVALID_REQUEST);
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throw new OAuth2AuthorizationCodeRequestAuthenticationException(error, null);
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}
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}
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}
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----
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[[oauth2AuthorizationServer-oauth2-device-authorization-endpoint]]
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== OAuth2 Device Authorization Endpoint
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`OAuth2DeviceAuthorizationEndpointConfigurer` provides the ability to customize the https://datatracker.ietf.org/doc/html/rfc8628#section-3.1[OAuth2 Device Authorization endpoint].
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It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for OAuth2 device authorization requests.
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`OAuth2DeviceAuthorizationEndpointConfigurer` provides the following configuration options:
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[source,java]
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----
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@Bean
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public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
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http
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.oauth2AuthorizationServer((authorizationServer) ->
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authorizationServer
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.deviceAuthorizationEndpoint(deviceAuthorizationEndpoint ->
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deviceAuthorizationEndpoint
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.deviceAuthorizationRequestConverter(deviceAuthorizationRequestConverter) <1>
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.deviceAuthorizationRequestConverters(deviceAuthorizationRequestConvertersConsumer) <2>
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.authenticationProvider(authenticationProvider) <3>
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.authenticationProviders(authenticationProvidersConsumer) <4>
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.deviceAuthorizationResponseHandler(deviceAuthorizationResponseHandler) <5>
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.errorResponseHandler(errorResponseHandler) <6>
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.verificationUri("/oauth2/v1/device_verification") <7>
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)
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);
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return http.build();
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}
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----
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<1> `deviceAuthorizationRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract an https://datatracker.ietf.org/doc/html/rfc8628#section-3.1[OAuth2 device authorization request] from `HttpServletRequest` to an instance of `OAuth2DeviceAuthorizationRequestAuthenticationToken`.
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<2> `deviceAuthorizationRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
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<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OAuth2DeviceAuthorizationRequestAuthenticationToken`.
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<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
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<5> `deviceAuthorizationResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an "`authenticated`" `OAuth2DeviceAuthorizationRequestAuthenticationToken` and returning the https://datatracker.ietf.org/doc/html/rfc8628#section-3.2[OAuth2DeviceAuthorizationResponse].
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<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthenticationException` and returning the https://datatracker.ietf.org/doc/html/rfc6749#section-5.2[OAuth2Error response].
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<7> `verificationUri()`: The `URI` of the custom end-user verification page to direct resource owners to on a secondary device.
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`OAuth2DeviceAuthorizationEndpointConfigurer` configures the `OAuth2DeviceAuthorizationEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
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`OAuth2DeviceAuthorizationEndpointFilter` is the `Filter` that processes OAuth2 device authorization requests.
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`OAuth2DeviceAuthorizationEndpointFilter` is configured with the following defaults:
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* `*AuthenticationConverter*` -- An `OAuth2DeviceAuthorizationRequestAuthenticationConverter`.
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* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OAuth2DeviceAuthorizationRequestAuthenticationProvider`.
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* `*AuthenticationSuccessHandler*` -- An internal implementation that handles an "`authenticated`" `OAuth2DeviceAuthorizationRequestAuthenticationToken` and returns the `OAuth2DeviceAuthorizationResponse`.
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* `*AuthenticationFailureHandler*` -- An `OAuth2ErrorAuthenticationFailureHandler`.
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[[oauth2AuthorizationServer-oauth2-device-verification-endpoint]]
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== OAuth2 Device Verification Endpoint
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`OAuth2DeviceVerificationEndpointConfigurer` provides the ability to customize the https://datatracker.ietf.org/doc/html/rfc8628#section-3.3[OAuth2 Device Verification endpoint] (or "User Interaction").
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It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for OAuth2 device verification requests.
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`OAuth2DeviceVerificationEndpointConfigurer` provides the following configuration options:
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[source,java]
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----
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@Bean
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public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
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http
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.oauth2AuthorizationServer((authorizationServer) ->
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authorizationServer
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.deviceVerificationEndpoint(deviceVerificationEndpoint ->
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deviceVerificationEndpoint
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.deviceVerificationRequestConverter(deviceVerificationRequestConverter) <1>
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.deviceVerificationRequestConverters(deviceVerificationRequestConvertersConsumer) <2>
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.authenticationProvider(authenticationProvider) <3>
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.authenticationProviders(authenticationProvidersConsumer) <4>
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.deviceVerificationResponseHandler(deviceVerificationResponseHandler) <5>
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.errorResponseHandler(errorResponseHandler) <6>
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.consentPage("/oauth2/v1/consent") <7>
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)
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);
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return http.build();
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}
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----
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<1> `deviceVerificationRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract an https://datatracker.ietf.org/doc/html/rfc8628#section-3.3[OAuth2 device verification request] (or consent) from `HttpServletRequest` to an instance of `OAuth2DeviceVerificationAuthenticationToken` or `OAuth2DeviceAuthorizationConsentAuthenticationToken`.
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<2> `deviceVerificationRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
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<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OAuth2DeviceVerificationAuthenticationToken` or `OAuth2DeviceAuthorizationConsentAuthenticationToken`.
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<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
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<5> `deviceVerificationResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an "`authenticated`" `OAuth2DeviceVerificationAuthenticationToken` and directing the resource owner to return to their device.
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<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthenticationException` and returning the error response.
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<7> `consentPage()`: The `URI` of the custom consent page to redirect resource owners to if consent is required during the device verification request flow.
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`OAuth2DeviceVerificationEndpointConfigurer` configures the `OAuth2DeviceVerificationEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
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`OAuth2DeviceVerificationEndpointFilter` is the `Filter` that processes OAuth2 device verification requests (and consents).
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`OAuth2DeviceVerificationEndpointFilter` is configured with the following defaults:
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* `*AuthenticationConverter*` -- A `DelegatingAuthenticationConverter` composed of `OAuth2DeviceVerificationAuthenticationConverter` and `OAuth2DeviceAuthorizationConsentAuthenticationConverter`.
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* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OAuth2DeviceVerificationAuthenticationProvider` and `OAuth2DeviceAuthorizationConsentAuthenticationProvider`.
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* `*AuthenticationSuccessHandler*` -- A `SimpleUrlAuthenticationSuccessHandler` that handles an "`authenticated`" `OAuth2DeviceVerificationAuthenticationToken` and redirects the user to a success page (`/?success`).
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* `*AuthenticationFailureHandler*` -- An internal implementation that uses the `OAuth2Error` associated with the `OAuth2AuthenticationException` and returns the `OAuth2Error` response.
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[[oauth2AuthorizationServer-oauth2-token-endpoint]]
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== OAuth2 Token Endpoint
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`OAuth2TokenEndpointConfigurer` provides the ability to customize the https://datatracker.ietf.org/doc/html/rfc6749#section-3.2[OAuth2 Token endpoint].
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It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for https://datatracker.ietf.org/doc/html/rfc6749#section-4.1.3[OAuth2 access token requests].
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`OAuth2TokenEndpointConfigurer` provides the following configuration options:
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[source,java]
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----
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@Bean
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public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
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http
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.oauth2AuthorizationServer((authorizationServer) ->
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authorizationServer
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.tokenEndpoint(tokenEndpoint ->
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tokenEndpoint
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.accessTokenRequestConverter(accessTokenRequestConverter) <1>
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.accessTokenRequestConverters(accessTokenRequestConvertersConsumer) <2>
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.authenticationProvider(authenticationProvider) <3>
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.authenticationProviders(authenticationProvidersConsumer) <4>
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.accessTokenResponseHandler(accessTokenResponseHandler) <5>
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.errorResponseHandler(errorResponseHandler) <6>
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)
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);
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return http.build();
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}
|
||
----
|
||
<1> `accessTokenRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract an https://datatracker.ietf.org/doc/html/rfc6749#section-4.1.3[OAuth2 access token request] from `HttpServletRequest` to an instance of `OAuth2AuthorizationGrantAuthenticationToken`.
|
||
<2> `accessTokenRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
|
||
<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OAuth2AuthorizationGrantAuthenticationToken`.
|
||
<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
|
||
<5> `accessTokenResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an `OAuth2AccessTokenAuthenticationToken` and returning the https://datatracker.ietf.org/doc/html/rfc6749#section-5.1[`OAuth2AccessTokenResponse`].
|
||
<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthenticationException` and returning the https://datatracker.ietf.org/doc/html/rfc6749#section-5.2[OAuth2Error response].
|
||
|
||
`OAuth2TokenEndpointConfigurer` configures the `OAuth2TokenEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
|
||
`OAuth2TokenEndpointFilter` is the `Filter` that processes OAuth2 access token requests.
|
||
|
||
The supported https://datatracker.ietf.org/doc/html/rfc6749#section-1.3[authorization grant types] are `authorization_code`, `refresh_token`, `client_credentials`, `urn:ietf:params:oauth:grant-type:device_code`, and `urn:ietf:params:oauth:grant-type:token-exchange`.
|
||
|
||
`OAuth2TokenEndpointFilter` is configured with the following defaults:
|
||
|
||
* `*AuthenticationConverter*` -- A `DelegatingAuthenticationConverter` composed of `OAuth2AuthorizationCodeAuthenticationConverter`, `OAuth2RefreshTokenAuthenticationConverter`, `OAuth2ClientCredentialsAuthenticationConverter`, `OAuth2DeviceCodeAuthenticationConverter`, and `OAuth2TokenExchangeAuthenticationConverter`.
|
||
* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OAuth2AuthorizationCodeAuthenticationProvider`, `OAuth2RefreshTokenAuthenticationProvider`, `OAuth2ClientCredentialsAuthenticationProvider`, `OAuth2DeviceCodeAuthenticationProvider`, and `OAuth2TokenExchangeAuthenticationProvider`.
|
||
* `*AuthenticationSuccessHandler*` -- An `OAuth2AccessTokenResponseAuthenticationSuccessHandler`.
|
||
* `*AuthenticationFailureHandler*` -- An `OAuth2ErrorAuthenticationFailureHandler`.
|
||
|
||
[[oauth2AuthorizationServer-oauth2-token-endpoint-customizing-client-credentials-grant-request-validation]]
|
||
=== Customizing Client Credentials Grant Request Validation
|
||
|
||
`OAuth2ClientCredentialsAuthenticationValidator` is the default validator used for validating specific OAuth2 Client Credentials Grant request parameters.
|
||
The default implementation validates the `scope` parameter.
|
||
If validation fails, an `OAuth2AuthenticationException` is thrown.
|
||
|
||
`OAuth2ClientCredentialsAuthenticationProvider` provides the ability to override the default request validation by supplying a custom authentication validator of type `Consumer<OAuth2ClientCredentialsAuthenticationContext>` to `setAuthenticationValidator()`.
|
||
|
||
[TIP]
|
||
`OAuth2ClientCredentialsAuthenticationContext` holds the `OAuth2ClientCredentialsAuthenticationToken`, which contains the OAuth2 Client Credentials Grant request parameters.
|
||
|
||
[IMPORTANT]
|
||
If validation fails, the authentication validator *MUST* throw `OAuth2AuthenticationException`.
|
||
|
||
The following example shows how to configure `OAuth2ClientCredentialsAuthenticationProvider` with a custom authentication validator that overrides the default `scope` validation:
|
||
|
||
[source,java]
|
||
----
|
||
@Bean
|
||
public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
|
||
http
|
||
.oauth2AuthorizationServer((authorizationServer) ->
|
||
authorizationServer
|
||
.tokenEndpoint(tokenEndpoint ->
|
||
tokenEndpoint
|
||
.authenticationProviders(configureAuthenticationValidator())
|
||
)
|
||
);
|
||
|
||
return http.build();
|
||
}
|
||
|
||
private Consumer<List<AuthenticationProvider>> configureAuthenticationValidator() {
|
||
return (authenticationProviders) ->
|
||
authenticationProviders.forEach((authenticationProvider) -> {
|
||
if (authenticationProvider instanceof OAuth2ClientCredentialsAuthenticationProvider) {
|
||
Consumer<OAuth2ClientCredentialsAuthenticationContext> authenticationValidator =
|
||
new CustomScopeValidator();
|
||
|
||
// Override default scope validation
|
||
((OAuth2ClientCredentialsAuthenticationProvider) authenticationProvider)
|
||
.setAuthenticationValidator(authenticationValidator);
|
||
}
|
||
});
|
||
}
|
||
|
||
static class CustomScopeValidator implements Consumer<OAuth2ClientCredentialsAuthenticationContext> {
|
||
|
||
@Override
|
||
public void accept(OAuth2ClientCredentialsAuthenticationContext authenticationContext) {
|
||
OAuth2ClientCredentialsAuthenticationToken clientCredentialsAuthentication =
|
||
authenticationContext.getAuthentication();
|
||
|
||
Set<String> requestedScopes = clientCredentialsAuthentication.getScopes();
|
||
RegisteredClient registeredClient = authenticationContext.getRegisteredClient();
|
||
Set<String> allowedScopes = registeredClient.getScopes();
|
||
|
||
// TODO Implement scope validation
|
||
|
||
}
|
||
}
|
||
----
|
||
|
||
[[oauth2AuthorizationServer-oauth2-token-endpoint-dpop-bound-access-tokens]]
|
||
=== DPoP-bound Access Tokens
|
||
|
||
https://datatracker.ietf.org/doc/html/rfc9449[RFC 9449 OAuth 2.0 Demonstrating Proof of Possession (DPoP)] is an application-level mechanism for sender-constraining an access token.
|
||
|
||
The primary goal of DPoP is to prevent unauthorized or illegitimate clients from using leaked or stolen access tokens, by binding an access token to a public key upon issuance by the authorization server and requiring that the client proves possession of the corresponding private key when using the access token at the resource server.
|
||
|
||
Access tokens that are sender-constrained via DPoP stand in contrast to the typical bearer token, which can be used by any client in possession of the access token.
|
||
|
||
DPoP introduces the concept of a https://datatracker.ietf.org/doc/html/rfc9449#name-dpop-proof-jwts[DPoP Proof], which is a JWT created by the client and sent as a header in an HTTP request.
|
||
A client uses a DPoP proof to prove the possession of a private key corresponding to a certain public key.
|
||
|
||
When the client initiates an access token request, it attaches a DPoP proof to the request in an HTTP header.
|
||
The authorization server binds (sender-constrains) the access token to the public key associated in the DPoP proof.
|
||
|
||
When the client initiates a protected resource request, it again attaches a DPoP proof to the request in an HTTP header.
|
||
|
||
The resource server obtains information about the public key bound to the access token, either directly in the access token (JWT) or via the <<oauth2AuthorizationServer-oauth2-token-introspection-endpoint,OAuth2 Token Introspection endpoint>>.
|
||
The resource server then verifies that the public key bound to the access token matches the public key in the DPoP proof.
|
||
It also verifies that the access token hash in the DPoP proof matches the access token in the request.
|
||
|
||
[[oauth2AuthorizationServer-oauth2-token-endpoint-dpop-access-token-request]]
|
||
==== DPoP Access Token Request
|
||
|
||
To request an access token that is bound to a public key using DPoP, the client MUST provide a valid DPoP proof in the `DPoP` header when making an access token request to the OAuth2 Token endpoint.
|
||
This is applicable for all access token requests regardless of authorization grant type (e.g. `authorization_code`, `refresh_token`, `client_credentials`, etc).
|
||
|
||
The following HTTP request shows an `authorization_code` access token request with a DPoP proof in the `DPoP` header:
|
||
|
||
[source,shell]
|
||
----
|
||
POST /oauth2/token HTTP/1.1
|
||
Host: server.example.com
|
||
Content-Type: application/x-www-form-urlencoded
|
||
DPoP: eyJraWQiOiJyc2EtandrLWtpZCIsInR5cCI6ImRwb3Arand0IiwiYWxnIjoiUlMyNTYiLCJqd2siOnsia3R5IjoiUlNBIiwiZSI6IkFRQUIiLCJraWQiOiJyc2EtandrLWtpZCIsIm4iOiIzRmxxSnI1VFJza0lRSWdkRTNEZDdEOWxib1dkY1RVVDhhLWZKUjdNQXZRbTdYWE5vWWttM3Y3TVFMMU5ZdER2TDJsOENBbmMwV2RTVElOVTZJUnZjNUtxbzJRNGNzTlg5U0hPbUVmem9ST2pRcWFoRWN2ZTFqQlhsdW9DWGRZdVlweDRfMXRmUmdHNmlpNFVoeGg2aUk4cU5NSlFYLWZMZnFoYmZZZnhCUVZSUHl3QmtBYklQNHgxRUFzYkM2RlNObWtoQ3hpTU5xRWd4YUlwWThDMmtKZEpfWklWLVdXNG5vRGR6cEtxSGN3bUI4RnNydW1sVllfRE5WdlVTRElpcGlxOVBiUDRIOTlUWE4xbzc0Nm9SYU5hMDdycTFob0NnTVNTeS04NVNhZ0NveGxteUUtRC1vZjlTc01ZOE9sOXQwcmR6cG9iQnVoeUpfbzVkZnZqS3cifX0.eyJodG0iOiJQT1NUIiwiaHR1IjoiaHR0cHM6Ly9zZXJ2ZXIuZXhhbXBsZS5jb20vb2F1dGgyL3Rva2VuIiwiaWF0IjoxNzQ2ODA2MzA1LCJqdGkiOiI0YjIzNDBkMi1hOTFmLTQwYTUtYmFhOS1kZDRlNWRlYWM4NjcifQ.wq8gJ_G6vpiEinfaY3WhereqCCLoeJOG8tnWBBAzRWx9F1KU5yAAWq-ZVCk_k07-h6DIqz2wgv6y9dVbNpRYwNwDUeik9qLRsC60M8YW7EFVyI3n_NpujLwzZeub_nDYMVnyn4ii0NaZrYHtoGXOlswQfS_-ET-jpC0XWm5nBZsCdUEXjOYtwaACC6Js-pyNwKmSLp5SKIk11jZUR5xIIopaQy521y9qJHhGRwzj8DQGsP7wMZ98UFL0E--1c-hh4rTy8PMeWCqRHdwjj_ry_eTe0DJFcxxYQdeL7-0_0CIO4Ayx5WHEpcUOIzBRoN32RsNpDZc-5slDNj9ku004DA
|
||
|
||
grant_type=authorization_code\
|
||
&client_id=s6BhdRkqt\
|
||
&code=SplxlOBeZQQYbYS6WxSbIA\
|
||
&redirect_uri=https%3A%2F%2Fclient%2Eexample%2Ecom%2Fcb\
|
||
&code_verifier=bEaL42izcC-o-xBk0K2vuJ6U-y1p9r_wW2dFWIWgjz-
|
||
----
|
||
|
||
The following shows a representation of the DPoP Proof JWT header and claims:
|
||
|
||
[source,json]
|
||
----
|
||
{
|
||
"typ": "dpop+jwt",
|
||
"alg": "RS256",
|
||
"jwk": {
|
||
"kty": "RSA",
|
||
"e": "AQAB",
|
||
"n": "3FlqJr5TRskIQIgdE3Dd7D9lboWdcTUT8a-fJR7MAvQm7XXNoYkm3v7MQL1NYtDvL2l8CAnc0WdSTINU6IRvc5Kqo2Q4csNX9SHOmEfzoROjQqahEcve1jBXluoCXdYuYpx4_1tfRgG6ii4Uhxh6iI8qNMJQX-fLfqhbfYfxBQVRPywBkAbIP4x1EAsbC6FSNmkhCxiMNqEgxaIpY8C2kJdJ_ZIV-WW4noDdzpKqHcwmB8FsrumlVY_DNVvUSDIipiq9PbP4H99TXN1o746oRaNa07rq1hoCgMSSy-85SagCoxlmyE-D-of9SsMY8Ol9t0rdzpobBuhyJ_o5dfvjKw"
|
||
}
|
||
}
|
||
----
|
||
|
||
[source,json]
|
||
----
|
||
{
|
||
"htm": "POST",
|
||
"htu": "https://server.example.com/oauth2/token",
|
||
"iat": 1746806305,
|
||
"jti": "4b2340d2-a91f-40a5-baa9-dd4e5deac867"
|
||
}
|
||
----
|
||
|
||
The following code shows an example of how to generate the DPoP Proof JWT:
|
||
|
||
[source,java]
|
||
----
|
||
RSAKey rsaKey = ...
|
||
JWKSource<SecurityContext> jwkSource = (jwkSelector, securityContext) -> jwkSelector
|
||
.select(new JWKSet(rsaKey));
|
||
NimbusJwtEncoder jwtEncoder = new NimbusJwtEncoder(jwkSource);
|
||
|
||
JwsHeader jwsHeader = JwsHeader.with(SignatureAlgorithm.RS256)
|
||
.type("dpop+jwt")
|
||
.jwk(rsaKey.toPublicJWK().toJSONObject())
|
||
.build();
|
||
JwtClaimsSet claims = JwtClaimsSet.builder()
|
||
.issuedAt(Instant.now())
|
||
.claim("htm", "POST")
|
||
.claim("htu", "https://server.example.com/oauth2/token")
|
||
.id(UUID.randomUUID().toString())
|
||
.build();
|
||
|
||
Jwt dPoPProof = jwtEncoder.encode(JwtEncoderParameters.from(jwsHeader, claims));
|
||
----
|
||
|
||
After the authorization server successfully validates the DPoP proof, the public key from the DPoP proof will be bound (sender-constrained) to the issued access token.
|
||
|
||
The following access token response shows the `token_type` parameter as `DPoP` to signal to the client that the access token was bound to its DPoP proof public key:
|
||
|
||
[source,shell]
|
||
----
|
||
HTTP/1.1 200 OK
|
||
Content-Type: application/json
|
||
Cache-Control: no-store
|
||
|
||
{
|
||
"access_token": "Kz~8mXK1EalYznwH-LC-1fBAo.4Ljp~zsPE_NeO.gxU",
|
||
"token_type": "DPoP",
|
||
"expires_in": 2677
|
||
}
|
||
----
|
||
|
||
[[oauth2AuthorizationServer-oauth2-token-endpoint-dpop-public-key-confirmation]]
|
||
==== Public Key Confirmation
|
||
|
||
Resource servers MUST be able to identify whether an access token is DPoP-bound and verify the binding to the public key of the DPoP proof.
|
||
The binding is accomplished by associating the public key with the access token in a way that can be accessed by the resource server, such as embedding the public key hash in the access token directly (JWT) or through token introspection.
|
||
|
||
When an access token is represented as a JWT, the public key hash is contained in the `jkt` claim under the confirmation method (`cnf`) claim.
|
||
|
||
The following example shows the claims of a JWT access token containing a `cnf` claim with a `jkt` claim, which is the JWK SHA-256 Thumbprint of the DPoP proof public key:
|
||
|
||
[source,json]
|
||
----
|
||
{
|
||
"sub":"user@example.com",
|
||
"iss":"https://server.example.com",
|
||
"nbf":1562262611,
|
||
"exp":1562266216,
|
||
"cnf":
|
||
{
|
||
"jkt":"CQMknzRoZ5YUi7vS58jck1q8TmZT8wiIiXrCN1Ny4VU"
|
||
}
|
||
}
|
||
----
|
||
|
||
[[oauth2AuthorizationServer-oauth2-token-introspection-endpoint]]
|
||
== OAuth2 Token Introspection Endpoint
|
||
|
||
`OAuth2TokenIntrospectionEndpointConfigurer` provides the ability to customize the https://datatracker.ietf.org/doc/html/rfc7662#section-2[OAuth2 Token Introspection endpoint].
|
||
It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for https://datatracker.ietf.org/doc/html/rfc7662#section-2.1[OAuth2 introspection requests].
|
||
|
||
`OAuth2TokenIntrospectionEndpointConfigurer` provides the following configuration options:
|
||
|
||
[source,java]
|
||
----
|
||
@Bean
|
||
public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
|
||
http
|
||
.oauth2AuthorizationServer((authorizationServer) ->
|
||
authorizationServer
|
||
.tokenIntrospectionEndpoint(tokenIntrospectionEndpoint ->
|
||
tokenIntrospectionEndpoint
|
||
.introspectionRequestConverter(introspectionRequestConverter) <1>
|
||
.introspectionRequestConverters(introspectionRequestConvertersConsumer) <2>
|
||
.authenticationProvider(authenticationProvider) <3>
|
||
.authenticationProviders(authenticationProvidersConsumer) <4>
|
||
.introspectionResponseHandler(introspectionResponseHandler) <5>
|
||
.errorResponseHandler(errorResponseHandler) <6>
|
||
)
|
||
);
|
||
|
||
return http.build();
|
||
}
|
||
----
|
||
<1> `introspectionRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract an https://datatracker.ietf.org/doc/html/rfc7662#section-2.1[OAuth2 introspection request] from `HttpServletRequest` to an instance of `OAuth2TokenIntrospectionAuthenticationToken`.
|
||
<2> `introspectionRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
|
||
<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OAuth2TokenIntrospectionAuthenticationToken`.
|
||
<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
|
||
<5> `introspectionResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an "`authenticated`" `OAuth2TokenIntrospectionAuthenticationToken` and returning the https://datatracker.ietf.org/doc/html/rfc7662#section-2.2[OAuth2TokenIntrospection response].
|
||
<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthenticationException` and returning the https://datatracker.ietf.org/doc/html/rfc7662#section-2.3[OAuth2Error response].
|
||
|
||
`OAuth2TokenIntrospectionEndpointConfigurer` configures the `OAuth2TokenIntrospectionEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
|
||
`OAuth2TokenIntrospectionEndpointFilter` is the `Filter` that processes OAuth2 introspection requests.
|
||
|
||
`OAuth2TokenIntrospectionEndpointFilter` is configured with the following defaults:
|
||
|
||
* `*AuthenticationConverter*` -- An `OAuth2TokenIntrospectionAuthenticationConverter`.
|
||
* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OAuth2TokenIntrospectionAuthenticationProvider`.
|
||
* `*AuthenticationSuccessHandler*` -- An internal implementation that handles an "`authenticated`" `OAuth2TokenIntrospectionAuthenticationToken` and returns the `OAuth2TokenIntrospection` response.
|
||
* `*AuthenticationFailureHandler*` -- An `OAuth2ErrorAuthenticationFailureHandler`.
|
||
|
||
[[oauth2AuthorizationServer-oauth2-token-revocation-endpoint]]
|
||
== OAuth2 Token Revocation Endpoint
|
||
|
||
`OAuth2TokenRevocationEndpointConfigurer` provides the ability to customize the https://datatracker.ietf.org/doc/html/rfc7009#section-2[OAuth2 Token Revocation endpoint].
|
||
It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for https://datatracker.ietf.org/doc/html/rfc7009#section-2.1[OAuth2 revocation requests].
|
||
|
||
`OAuth2TokenRevocationEndpointConfigurer` provides the following configuration options:
|
||
|
||
[source,java]
|
||
----
|
||
@Bean
|
||
public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
|
||
http
|
||
.oauth2AuthorizationServer((authorizationServer) ->
|
||
authorizationServer
|
||
.tokenRevocationEndpoint(tokenRevocationEndpoint ->
|
||
tokenRevocationEndpoint
|
||
.revocationRequestConverter(revocationRequestConverter) <1>
|
||
.revocationRequestConverters(revocationRequestConvertersConsumer) <2>
|
||
.authenticationProvider(authenticationProvider) <3>
|
||
.authenticationProviders(authenticationProvidersConsumer) <4>
|
||
.revocationResponseHandler(revocationResponseHandler) <5>
|
||
.errorResponseHandler(errorResponseHandler) <6>
|
||
)
|
||
);
|
||
|
||
return http.build();
|
||
}
|
||
----
|
||
<1> `revocationRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract an https://datatracker.ietf.org/doc/html/rfc7009#section-2.1[OAuth2 revocation request] from `HttpServletRequest` to an instance of `OAuth2TokenRevocationAuthenticationToken`.
|
||
<2> `revocationRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
|
||
<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OAuth2TokenRevocationAuthenticationToken`.
|
||
<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
|
||
<5> `revocationResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an "`authenticated`" `OAuth2TokenRevocationAuthenticationToken` and returning the https://datatracker.ietf.org/doc/html/rfc7009#section-2.2[OAuth2 revocation response].
|
||
<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthenticationException` and returning the https://datatracker.ietf.org/doc/html/rfc7009#section-2.2.1[OAuth2Error response].
|
||
|
||
`OAuth2TokenRevocationEndpointConfigurer` configures the `OAuth2TokenRevocationEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
|
||
`OAuth2TokenRevocationEndpointFilter` is the `Filter` that processes OAuth2 revocation requests.
|
||
|
||
`OAuth2TokenRevocationEndpointFilter` is configured with the following defaults:
|
||
|
||
* `*AuthenticationConverter*` -- An `OAuth2TokenRevocationAuthenticationConverter`.
|
||
* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OAuth2TokenRevocationAuthenticationProvider`.
|
||
* `*AuthenticationSuccessHandler*` -- An internal implementation that handles an "`authenticated`" `OAuth2TokenRevocationAuthenticationToken` and returns the OAuth2 revocation response.
|
||
* `*AuthenticationFailureHandler*` -- An `OAuth2ErrorAuthenticationFailureHandler`.
|
||
|
||
[[oauth2AuthorizationServer-oauth2-authorization-server-metadata-endpoint]]
|
||
== OAuth2 Authorization Server Metadata Endpoint
|
||
|
||
`OAuth2AuthorizationServerMetadataEndpointConfigurer` provides the ability to customize the https://datatracker.ietf.org/doc/html/rfc8414#section-3[OAuth2 Authorization Server Metadata endpoint].
|
||
It defines an extension point that lets you customize the https://datatracker.ietf.org/doc/html/rfc8414#section-3.2[OAuth2 Authorization Server Metadata response].
|
||
|
||
`OAuth2AuthorizationServerMetadataEndpointConfigurer` provides the following configuration option:
|
||
|
||
[source,java]
|
||
----
|
||
@Bean
|
||
public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
|
||
http
|
||
.oauth2AuthorizationServer((authorizationServer) ->
|
||
authorizationServer
|
||
.authorizationServerMetadataEndpoint(authorizationServerMetadataEndpoint ->
|
||
authorizationServerMetadataEndpoint
|
||
.authorizationServerMetadataCustomizer(authorizationServerMetadataCustomizer) <1>
|
||
)
|
||
);
|
||
|
||
return http.build();
|
||
}
|
||
----
|
||
<1> `authorizationServerMetadataCustomizer()`: The `Consumer` providing access to the `OAuth2AuthorizationServerMetadata.Builder` allowing the ability to customize the claims of the Authorization Server's configuration.
|
||
|
||
`OAuth2AuthorizationServerMetadataEndpointConfigurer` configures the `OAuth2AuthorizationServerMetadataEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
|
||
`OAuth2AuthorizationServerMetadataEndpointFilter` is the `Filter` that returns the https://datatracker.ietf.org/doc/html/rfc8414#section-3.2[OAuth2AuthorizationServerMetadata response].
|
||
|
||
[[oauth2AuthorizationServer-jwk-set-endpoint]]
|
||
== JWK Set Endpoint
|
||
|
||
`OAuth2AuthorizationServerConfigurer` provides support for the https://datatracker.ietf.org/doc/html/rfc7517[JWK Set endpoint].
|
||
|
||
`OAuth2AuthorizationServerConfigurer` configures the `NimbusJwkSetEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
|
||
`NimbusJwkSetEndpointFilter` is the `Filter` that returns the https://datatracker.ietf.org/doc/html/rfc7517#section-5[JWK Set].
|
||
|
||
[NOTE]
|
||
The JWK Set endpoint is configured *only* if a `JWKSource<SecurityContext>` `@Bean` is registered.
|
||
|
||
[[oauth2AuthorizationServer-oidc-provider-configuration-endpoint]]
|
||
== OpenID Connect 1.0 Provider Configuration Endpoint
|
||
|
||
`OidcProviderConfigurationEndpointConfigurer` provides the ability to customize the https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderConfig[OpenID Connect 1.0 Provider Configuration endpoint].
|
||
It defines an extension point that lets you customize the https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderConfigurationResponse[OpenID Provider Configuration response].
|
||
|
||
`OidcProviderConfigurationEndpointConfigurer` provides the following configuration option:
|
||
|
||
[source,java]
|
||
----
|
||
@Bean
|
||
public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
|
||
http
|
||
.oauth2AuthorizationServer((authorizationServer) ->
|
||
authorizationServer
|
||
.oidc(oidc ->
|
||
oidc
|
||
.providerConfigurationEndpoint(providerConfigurationEndpoint ->
|
||
providerConfigurationEndpoint
|
||
.providerConfigurationCustomizer(providerConfigurationCustomizer) <1>
|
||
)
|
||
)
|
||
);
|
||
|
||
return http.build();
|
||
}
|
||
----
|
||
<1> `providerConfigurationCustomizer()`: The `Consumer` providing access to the `OidcProviderConfiguration.Builder` allowing the ability to customize the claims of the OpenID Provider's configuration.
|
||
|
||
`OidcProviderConfigurationEndpointConfigurer` configures the `OidcProviderConfigurationEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
|
||
`OidcProviderConfigurationEndpointFilter` is the `Filter` that returns the https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderConfigurationResponse[OidcProviderConfiguration response].
|
||
|
||
[[oauth2AuthorizationServer-oidc-logout-endpoint]]
|
||
== OpenID Connect 1.0 Logout Endpoint
|
||
|
||
`OidcLogoutEndpointConfigurer` provides the ability to customize the https://openid.net/specs/openid-connect-rpinitiated-1_0.html#RPLogout[OpenID Connect 1.0 Logout endpoint].
|
||
It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for RP-Initiated Logout requests.
|
||
|
||
`OidcLogoutEndpointConfigurer` provides the following configuration options:
|
||
|
||
[source,java]
|
||
----
|
||
@Bean
|
||
public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
|
||
http
|
||
.oauth2AuthorizationServer((authorizationServer) ->
|
||
authorizationServer
|
||
.oidc(oidc ->
|
||
oidc
|
||
.logoutEndpoint(logoutEndpoint ->
|
||
logoutEndpoint
|
||
.logoutRequestConverter(logoutRequestConverter) <1>
|
||
.logoutRequestConverters(logoutRequestConvertersConsumer) <2>
|
||
.authenticationProvider(authenticationProvider) <3>
|
||
.authenticationProviders(authenticationProvidersConsumer) <4>
|
||
.logoutResponseHandler(logoutResponseHandler) <5>
|
||
.errorResponseHandler(errorResponseHandler) <6>
|
||
)
|
||
)
|
||
);
|
||
|
||
return http.build();
|
||
}
|
||
----
|
||
<1> `logoutRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract a https://openid.net/specs/openid-connect-rpinitiated-1_0.html#RPLogout[Logout request] from `HttpServletRequest` to an instance of `OidcLogoutAuthenticationToken`.
|
||
<2> `logoutRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
|
||
<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OidcLogoutAuthenticationToken`.
|
||
<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
|
||
<5> `logoutResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an "`authenticated`" `OidcLogoutAuthenticationToken` and performing the logout.
|
||
<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthenticationException` and returning the error response.
|
||
|
||
`OidcLogoutEndpointConfigurer` configures the `OidcLogoutEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
|
||
`OidcLogoutEndpointFilter` is the `Filter` that processes https://openid.net/specs/openid-connect-rpinitiated-1_0.html#RPLogout[RP-Initiated Logout requests] and performs the logout of the End-User.
|
||
|
||
`OidcLogoutEndpointFilter` is configured with the following defaults:
|
||
|
||
* `*AuthenticationConverter*` -- An `OidcLogoutAuthenticationConverter`.
|
||
* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OidcLogoutAuthenticationProvider`.
|
||
* `*AuthenticationSuccessHandler*` -- An `OidcLogoutAuthenticationSuccessHandler`.
|
||
* `*AuthenticationFailureHandler*` -- An internal implementation that uses the `OAuth2Error` associated with the `OAuth2AuthenticationException` and returns the `OAuth2Error` response.
|
||
|
||
[NOTE]
|
||
`OidcLogoutAuthenticationProvider` uses a xref:servlet/oauth2/authorization-server/core-model-components.adoc#oauth2AuthorizationServer-session-registry[`SessionRegistry`] to look up the `SessionInformation` instance associated to the End-User requesting to be logged out.
|
||
|
||
[TIP]
|
||
`OidcClientInitiatedLogoutSuccessHandler` is the corresponding configuration in Spring Security’s OAuth2 Client support for configuring xref:servlet/oauth2/login/advanced.adoc#oauth2login-advanced-oidc-logout[OpenID Connect 1.0 RP-Initiated Logout].
|
||
|
||
[[oauth2AuthorizationServer-oidc-logout-endpoint-customizing-logout-request-validation]]
|
||
=== Customizing Logout Request Validation
|
||
|
||
`OidcLogoutAuthenticationValidator` is the default validator used for validating specific OpenID Connect RP-Initiated Logout Request parameters.
|
||
The default implementation validates the `post_logout_redirect_uri` parameter.
|
||
If validation fails, an `OAuth2AuthenticationException` is thrown.
|
||
|
||
`OidcLogoutAuthenticationProvider` provides the ability to override the default logout request validation by supplying a custom authentication validator of type `Consumer<OidcLogoutAuthenticationContext>` to `setAuthenticationValidator()`.
|
||
|
||
[TIP]
|
||
`OidcLogoutAuthenticationContext` holds the `OidcLogoutAuthenticationToken`, which contains the logout request parameters.
|
||
|
||
[IMPORTANT]
|
||
If validation fails, the authentication validator *MUST* throw `OAuth2AuthenticationException`.
|
||
|
||
The following example shows how to configure `OidcLogoutAuthenticationProvider` with a custom authentication validator:
|
||
|
||
[source,java]
|
||
----
|
||
@Bean
|
||
public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
|
||
http
|
||
.oauth2AuthorizationServer((authorizationServer) ->
|
||
authorizationServer
|
||
.oidc(oidc ->
|
||
oidc
|
||
.logoutEndpoint(logoutEndpoint ->
|
||
logoutEndpoint
|
||
.authenticationProviders(configureAuthenticationValidator())
|
||
)
|
||
)
|
||
);
|
||
|
||
return http.build();
|
||
}
|
||
|
||
private Consumer<List<AuthenticationProvider>> configureAuthenticationValidator() {
|
||
return (authenticationProviders) ->
|
||
authenticationProviders.forEach((authenticationProvider) -> {
|
||
if (authenticationProvider instanceof OidcLogoutAuthenticationProvider oidcLogoutAuthenticationProvider) {
|
||
Consumer<OidcLogoutAuthenticationContext> authenticationValidator = new CustomPostLogoutRedirectUriValidator();
|
||
oidcLogoutAuthenticationProvider.setAuthenticationValidator(authenticationValidator);
|
||
}
|
||
});
|
||
}
|
||
|
||
static class CustomPostLogoutRedirectUriValidator implements Consumer<OidcLogoutAuthenticationContext> {
|
||
|
||
@Override
|
||
public void accept(OidcLogoutAuthenticationContext authenticationContext) {
|
||
OidcLogoutAuthenticationToken oidcLogoutAuthentication =
|
||
authenticationContext.getAuthentication();
|
||
RegisteredClient registeredClient = authenticationContext.getRegisteredClient();
|
||
|
||
// TODO
|
||
|
||
}
|
||
}
|
||
----
|
||
|
||
[[oauth2AuthorizationServer-oidc-user-info-endpoint]]
|
||
== OpenID Connect 1.0 UserInfo Endpoint
|
||
|
||
`OidcUserInfoEndpointConfigurer` provides the ability to customize the https://openid.net/specs/openid-connect-core-1_0.html#UserInfo[OpenID Connect 1.0 UserInfo endpoint].
|
||
It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for https://openid.net/specs/openid-connect-core-1_0.html#UserInfoRequest[UserInfo requests].
|
||
|
||
`OidcUserInfoEndpointConfigurer` provides the following configuration options:
|
||
|
||
[source,java]
|
||
----
|
||
@Bean
|
||
public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
|
||
http
|
||
.oauth2AuthorizationServer((authorizationServer) ->
|
||
authorizationServer
|
||
.oidc(oidc ->
|
||
oidc
|
||
.userInfoEndpoint(userInfoEndpoint ->
|
||
userInfoEndpoint
|
||
.userInfoRequestConverter(userInfoRequestConverter) <1>
|
||
.userInfoRequestConverters(userInfoRequestConvertersConsumer) <2>
|
||
.authenticationProvider(authenticationProvider) <3>
|
||
.authenticationProviders(authenticationProvidersConsumer) <4>
|
||
.userInfoResponseHandler(userInfoResponseHandler) <5>
|
||
.errorResponseHandler(errorResponseHandler) <6>
|
||
.userInfoMapper(userInfoMapper) <7>
|
||
)
|
||
)
|
||
);
|
||
|
||
return http.build();
|
||
}
|
||
----
|
||
<1> `userInfoRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract an https://openid.net/specs/openid-connect-core-1_0.html#UserInfoRequest[UserInfo request] from `HttpServletRequest` to an instance of `OidcUserInfoAuthenticationToken`.
|
||
<2> `userInfoRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
|
||
<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OidcUserInfoAuthenticationToken`.
|
||
<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
|
||
<5> `userInfoResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an "`authenticated`" `OidcUserInfoAuthenticationToken` and returning the https://openid.net/specs/openid-connect-core-1_0.html#UserInfoResponse[UserInfo response].
|
||
<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthenticationException` and returning the https://openid.net/specs/openid-connect-core-1_0.html#UserInfoError[UserInfo Error response].
|
||
<7> `userInfoMapper()`: The `Function` used to extract claims from `OidcUserInfoAuthenticationContext` to an instance of `OidcUserInfo`.
|
||
|
||
`OidcUserInfoEndpointConfigurer` configures the `OidcUserInfoEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
|
||
`OidcUserInfoEndpointFilter` is the `Filter` that processes https://openid.net/specs/openid-connect-core-1_0.html#UserInfoRequest[UserInfo requests] and returns the https://openid.net/specs/openid-connect-core-1_0.html#UserInfoResponse[OidcUserInfo response].
|
||
|
||
`OidcUserInfoEndpointFilter` is configured with the following defaults:
|
||
|
||
* `*AuthenticationConverter*` -- An internal implementation that obtains the `Authentication` from the `SecurityContext` and creates an `OidcUserInfoAuthenticationToken` with the principal.
|
||
* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OidcUserInfoAuthenticationProvider`, which is associated with an internal implementation of `userInfoMapper` that extracts https://openid.net/specs/openid-connect-core-1_0.html#StandardClaims[standard claims] from the https://openid.net/specs/openid-connect-core-1_0.html#IDToken[ID Token] based on the https://openid.net/specs/openid-connect-core-1_0.html#ScopeClaims[scopes requested] during authorization.
|
||
* `*AuthenticationSuccessHandler*` -- An internal implementation that handles an "`authenticated`" `OidcUserInfoAuthenticationToken` and returns the `OidcUserInfo` response.
|
||
* `*AuthenticationFailureHandler*` -- An internal implementation that uses the `OAuth2Error` associated with the `OAuth2AuthenticationException` and returns the `OAuth2Error` response.
|
||
|
||
[TIP]
|
||
You can customize the ID Token by providing an xref:servlet/oauth2/authorization-server/core-model-components.adoc#oauth2AuthorizationServer-oauth2-token-customizer[`OAuth2TokenCustomizer<JwtEncodingContext>`] `@Bean`.
|
||
|
||
The OpenID Connect 1.0 UserInfo endpoint is an OAuth2 protected resource, which *REQUIRES* an access token to be sent as a bearer token in the https://openid.net/specs/openid-connect-core-1_0.html#UserInfoRequest[UserInfo request].
|
||
|
||
[NOTE]
|
||
OAuth2 resource server support is autoconfigured, however, a `JwtDecoder` `@Bean` is *REQUIRED* for the OpenID Connect 1.0 UserInfo endpoint.
|
||
|
||
[[oauth2AuthorizationServer-oidc-client-registration-endpoint]]
|
||
== OpenID Connect 1.0 Client Registration Endpoint
|
||
|
||
`OidcClientRegistrationEndpointConfigurer` provides the ability to customize the https://openid.net/specs/openid-connect-registration-1_0.html#ClientRegistration[OpenID Connect 1.0 Client Registration endpoint].
|
||
It defines extension points that let you customize the pre-processing, main processing, and post-processing logic for https://openid.net/specs/openid-connect-registration-1_0.html#RegistrationRequest[Client Registration requests] or https://openid.net/specs/openid-connect-registration-1_0.html#ReadRequest[Client Read requests].
|
||
|
||
`OidcClientRegistrationEndpointConfigurer` provides the following configuration options:
|
||
|
||
[source,java]
|
||
----
|
||
@Bean
|
||
public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http) throws Exception {
|
||
http
|
||
.oauth2AuthorizationServer((authorizationServer) ->
|
||
authorizationServer
|
||
.oidc(oidc ->
|
||
oidc
|
||
.clientRegistrationEndpoint(clientRegistrationEndpoint ->
|
||
clientRegistrationEndpoint
|
||
.clientRegistrationRequestConverter(clientRegistrationRequestConverter) <1>
|
||
.clientRegistrationRequestConverters(clientRegistrationRequestConvertersConsumers) <2>
|
||
.authenticationProvider(authenticationProvider) <3>
|
||
.authenticationProviders(authenticationProvidersConsumer) <4>
|
||
.clientRegistrationResponseHandler(clientRegistrationResponseHandler) <5>
|
||
.errorResponseHandler(errorResponseHandler) <6>
|
||
)
|
||
)
|
||
);
|
||
|
||
return http.build();
|
||
}
|
||
----
|
||
<1> `clientRegistrationRequestConverter()`: Adds an `AuthenticationConverter` (_pre-processor_) used when attempting to extract a https://openid.net/specs/openid-connect-registration-1_0.html#RegistrationRequest[Client Registration request] or https://openid.net/specs/openid-connect-registration-1_0.html#ReadRequest[Client Read request] from `HttpServletRequest` to an instance of `OidcClientRegistrationAuthenticationToken`.
|
||
<2> `clientRegistrationRequestConverters()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationConverter``'s allowing the ability to add, remove, or customize a specific `AuthenticationConverter`.
|
||
<3> `authenticationProvider()`: Adds an `AuthenticationProvider` (_main processor_) used for authenticating the `OidcClientRegistrationAuthenticationToken`.
|
||
<4> `authenticationProviders()`: Sets the `Consumer` providing access to the `List` of default and (optionally) added ``AuthenticationProvider``'s allowing the ability to add, remove, or customize a specific `AuthenticationProvider`.
|
||
<5> `clientRegistrationResponseHandler()`: The `AuthenticationSuccessHandler` (_post-processor_) used for handling an "`authenticated`" `OidcClientRegistrationAuthenticationToken` and returning the https://openid.net/specs/openid-connect-registration-1_0.html#RegistrationResponse[Client Registration response] or https://openid.net/specs/openid-connect-registration-1_0.html#ReadResponse[Client Read response].
|
||
<6> `errorResponseHandler()`: The `AuthenticationFailureHandler` (_post-processor_) used for handling an `OAuth2AuthenticationException` and returning the https://openid.net/specs/openid-connect-registration-1_0.html#RegistrationError[Client Registration Error response] or https://openid.net/specs/openid-connect-registration-1_0.html#ReadError[Client Read Error response].
|
||
|
||
[NOTE]
|
||
The OpenID Connect 1.0 Client Registration endpoint is disabled by default because many deployments do not require dynamic client registration.
|
||
|
||
`OidcClientRegistrationEndpointConfigurer` configures the `OidcClientRegistrationEndpointFilter` and registers it with the OAuth2 authorization server `SecurityFilterChain` `@Bean`.
|
||
`OidcClientRegistrationEndpointFilter` is the `Filter` that processes https://openid.net/specs/openid-connect-registration-1_0.html#RegistrationRequest[Client Registration requests] and returns the https://openid.net/specs/openid-connect-registration-1_0.html#RegistrationResponse[OidcClientRegistration response].
|
||
|
||
[TIP]
|
||
`OidcClientRegistrationEndpointFilter` also processes https://openid.net/specs/openid-connect-registration-1_0.html#ReadRequest[Client Read requests] and returns the https://openid.net/specs/openid-connect-registration-1_0.html#ReadResponse[OidcClientRegistration response].
|
||
|
||
`OidcClientRegistrationEndpointFilter` is configured with the following defaults:
|
||
|
||
* `*AuthenticationConverter*` -- An `OidcClientRegistrationAuthenticationConverter`.
|
||
* `*AuthenticationManager*` -- An `AuthenticationManager` composed of `OidcClientRegistrationAuthenticationProvider` and `OidcClientConfigurationAuthenticationProvider`.
|
||
* `*AuthenticationSuccessHandler*` -- An internal implementation that handles an "`authenticated`" `OidcClientRegistrationAuthenticationToken` and returns the `OidcClientRegistration` response.
|
||
* `*AuthenticationFailureHandler*` -- An internal implementation that uses the `OAuth2Error` associated with the `OAuth2AuthenticationException` and returns the `OAuth2Error` response.
|
||
|
||
The OpenID Connect 1.0 Client Registration endpoint is an https://openid.net/specs/openid-connect-registration-1_0.html#ClientRegistration[OAuth2 protected resource], which *REQUIRES* an access token to be sent as a bearer token in the Client Registration (or Client Read) request.
|
||
|
||
[NOTE]
|
||
OAuth2 resource server support is autoconfigured, however, a `JwtDecoder` `@Bean` is *REQUIRED* for the OpenID Connect 1.0 Client Registration endpoint.
|
||
|
||
[IMPORTANT]
|
||
The access token in a Client Registration request *REQUIRES* the OAuth2 scope `client.create`.
|
||
|
||
[IMPORTANT]
|
||
The access token in a Client Read request *REQUIRES* the OAuth2 scope `client.read`.
|