/*
* Copyright 2014 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
*
* http://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.social.oauth2;
import java.io.IOException;
import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.social.support.HttpRequestDecorator;
/**
* ClientHttpRequestInterceptor implementation that adds the OAuth2 access token as a query parameter to protected resource requests before execution.
* @author Craig Walls
*/
class OAuth2TokenParameterRequestInterceptor implements ClientHttpRequestInterceptor {
private final String parameterName;
private final String accessToken;
/**
* Creates an instance of the interceptor, defaulting to use a parameter named "access_token".
* @param accessToken The access token.
*/
public OAuth2TokenParameterRequestInterceptor(String accessToken) {
this(accessToken, "access_token");
}
/**
* Creates an instance of the interceptor, using a parameter with the specified name.
* @param accessToken The access token.
* @param parameterName The name of the query parameter that will carry the access token.
*/
public OAuth2TokenParameterRequestInterceptor(String accessToken, String parameterName) {
this.accessToken = accessToken;
this.parameterName = parameterName;
}
public ClientHttpResponse intercept(final HttpRequest request, final byte[] body, ClientHttpRequestExecution execution) throws IOException {
HttpRequestDecorator protectedResourceRequest = new HttpRequestDecorator(request);
protectedResourceRequest.addParameter(parameterName, accessToken);
return execution.execute(protectedResourceRequest, body);
}
}