org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizationCodeAuthenticationTokenConverter Maven / Gradle / Ivy
/*
* Copyright 2002-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.oauth2.client.web.server;
import reactor.core.publisher.Mono;
import org.springframework.security.core.Authentication;
import org.springframework.security.oauth2.client.authentication.OAuth2AuthorizationCodeAuthenticationToken;
import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository;
import org.springframework.security.oauth2.core.OAuth2AuthorizationException;
import org.springframework.security.oauth2.core.OAuth2Error;
import org.springframework.security.oauth2.core.endpoint.OAuth2AuthorizationExchange;
import org.springframework.security.oauth2.core.endpoint.OAuth2AuthorizationRequest;
import org.springframework.security.oauth2.core.endpoint.OAuth2AuthorizationResponse;
import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
import org.springframework.security.web.server.authentication.ServerAuthenticationConverter;
import org.springframework.util.Assert;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.util.UriComponentsBuilder;
/**
* Converts from a {@link ServerWebExchange} to an
* {@link OAuth2AuthorizationCodeAuthenticationToken} that can be authenticated. The
* converter does not validate any errors it only performs a conversion.
*
* @author Rob Winch
* @since 5.1
* @see org.springframework.security.web.server.authentication.AuthenticationWebFilter#setServerAuthenticationConverter(ServerAuthenticationConverter)
*/
public class ServerOAuth2AuthorizationCodeAuthenticationTokenConverter implements ServerAuthenticationConverter {
static final String AUTHORIZATION_REQUEST_NOT_FOUND_ERROR_CODE = "authorization_request_not_found";
static final String CLIENT_REGISTRATION_NOT_FOUND_ERROR_CODE = "client_registration_not_found";
private ServerAuthorizationRequestRepository authorizationRequestRepository = new WebSessionOAuth2ServerAuthorizationRequestRepository();
private final ReactiveClientRegistrationRepository clientRegistrationRepository;
public ServerOAuth2AuthorizationCodeAuthenticationTokenConverter(
ReactiveClientRegistrationRepository clientRegistrationRepository) {
Assert.notNull(clientRegistrationRepository, "clientRegistrationRepository cannot be null");
this.clientRegistrationRepository = clientRegistrationRepository;
}
/**
* Sets the {@link ServerAuthorizationRequestRepository} to be used. The default is
* {@link WebSessionOAuth2ServerAuthorizationRequestRepository}.
* @param authorizationRequestRepository the repository to use.
*/
public void setAuthorizationRequestRepository(
ServerAuthorizationRequestRepository authorizationRequestRepository) {
Assert.notNull(authorizationRequestRepository, "authorizationRequestRepository cannot be null");
this.authorizationRequestRepository = authorizationRequestRepository;
}
@Override
public Mono convert(ServerWebExchange serverWebExchange) {
// @formatter:off
return this.authorizationRequestRepository.removeAuthorizationRequest(serverWebExchange)
.switchIfEmpty(oauth2AuthorizationException(AUTHORIZATION_REQUEST_NOT_FOUND_ERROR_CODE))
.flatMap((authorizationRequest) -> authenticationRequest(serverWebExchange, authorizationRequest));
// @formatter:on
}
private Mono oauth2AuthorizationException(String errorCode) {
return Mono.defer(() -> {
OAuth2Error oauth2Error = new OAuth2Error(errorCode);
return Mono.error(new OAuth2AuthorizationException(oauth2Error));
});
}
private Mono authenticationRequest(ServerWebExchange exchange,
OAuth2AuthorizationRequest authorizationRequest) {
// @formatter:off
return Mono.just(authorizationRequest)
.map(OAuth2AuthorizationRequest::getAttributes).flatMap((attributes) -> {
String id = (String) attributes.get(OAuth2ParameterNames.REGISTRATION_ID);
if (id == null) {
return oauth2AuthorizationException(CLIENT_REGISTRATION_NOT_FOUND_ERROR_CODE);
}
return this.clientRegistrationRepository.findByRegistrationId(id);
})
.switchIfEmpty(oauth2AuthorizationException(CLIENT_REGISTRATION_NOT_FOUND_ERROR_CODE))
.map((clientRegistration) -> {
OAuth2AuthorizationResponse authorizationResponse = convertResponse(exchange);
OAuth2AuthorizationCodeAuthenticationToken authenticationRequest = new OAuth2AuthorizationCodeAuthenticationToken(
clientRegistration,
new OAuth2AuthorizationExchange(authorizationRequest, authorizationResponse));
return authenticationRequest;
});
// @formatter:on
}
private static OAuth2AuthorizationResponse convertResponse(ServerWebExchange exchange) {
String redirectUri = UriComponentsBuilder.fromUri(exchange.getRequest().getURI()).build().toUriString();
return OAuth2AuthorizationResponseUtils.convert(exchange.getRequest().getQueryParams(), redirectUri);
}
}