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WebClientConfig.java
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WebClientConfig.java
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/*
* Copyright 2002-2019 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.oauth.samples.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.oauth2.client.OAuth2AuthorizationContext;
import org.springframework.security.oauth2.client.OAuth2AuthorizeRequest;
import org.springframework.security.oauth2.client.OAuth2AuthorizedClientManager;
import org.springframework.security.oauth2.client.OAuth2AuthorizedClientProvider;
import org.springframework.security.oauth2.client.OAuth2AuthorizedClientProviderBuilder;
import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
import org.springframework.security.oauth2.client.web.DefaultOAuth2AuthorizedClientManager;
import org.springframework.security.oauth2.client.web.OAuth2AuthorizedClientRepository;
import org.springframework.security.oauth2.client.web.reactive.function.client.ServletOAuth2AuthorizedClientExchangeFilterFunction;
import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
import org.springframework.util.StringUtils;
import org.springframework.web.reactive.function.client.WebClient;
import javax.servlet.http.HttpServletRequest;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;
/**
* @author Joe Grandja
*/
@Configuration
public class WebClientConfig {
@Bean
WebClient webClient(OAuth2AuthorizedClientManager authorizedClientManager) {
ServletOAuth2AuthorizedClientExchangeFilterFunction oauth2Client =
new ServletOAuth2AuthorizedClientExchangeFilterFunction(authorizedClientManager);
return WebClient.builder()
.apply(oauth2Client.oauth2Configuration())
.build();
}
@Bean
OAuth2AuthorizedClientManager authorizedClientManager(ClientRegistrationRepository clientRegistrationRepository,
OAuth2AuthorizedClientRepository authorizedClientRepository) {
OAuth2AuthorizedClientProvider authorizedClientProvider =
OAuth2AuthorizedClientProviderBuilder.builder()
.authorizationCode()
.refreshToken()
.clientCredentials()
.password()
.build();
DefaultOAuth2AuthorizedClientManager authorizedClientManager = new DefaultOAuth2AuthorizedClientManager(
clientRegistrationRepository, authorizedClientRepository);
authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider);
// For the `password` grant, the `username` and `password` are supplied via request parameters,
// so map it 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;
};
}
}