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OAuth2AuthorizationGrantRequestEntityUtils.java
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OAuth2AuthorizationGrantRequestEntityUtils.java
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/*
* Copyright 2002-2018 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.endpoint;
import org.springframework.core.convert.converter.Converter;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.RequestEntity;
import org.springframework.security.oauth2.client.registration.ClientRegistration;
import org.springframework.security.oauth2.core.ClientAuthenticationMethod;
import java.util.Collections;
import static org.springframework.http.MediaType.APPLICATION_FORM_URLENCODED_VALUE;
/**
* Utility methods used by the {@link Converter}'s that convert
* from an implementation of an {@link AbstractOAuth2AuthorizationGrantRequest}
* to a {@link RequestEntity} representation of an OAuth 2.0 Access Token Request
* for the specific Authorization Grant.
*
* @author Joe Grandja
* @since 5.1
* @see OAuth2AuthorizationCodeGrantRequestEntityConverter
* @see OAuth2ClientCredentialsGrantRequestEntityConverter
*/
final class OAuth2AuthorizationGrantRequestEntityUtils {
private static HttpHeaders DEFAULT_TOKEN_REQUEST_HEADERS = getDefaultTokenRequestHeaders();
static HttpHeaders getTokenRequestHeaders(ClientRegistration clientRegistration) {
HttpHeaders headers = new HttpHeaders();
headers.addAll(DEFAULT_TOKEN_REQUEST_HEADERS);
if (ClientAuthenticationMethod.BASIC.equals(clientRegistration.getClientAuthenticationMethod())) {
headers.setBasicAuth(clientRegistration.getClientId(), clientRegistration.getClientSecret());
}
return headers;
}
private static HttpHeaders getDefaultTokenRequestHeaders() {
HttpHeaders headers = new HttpHeaders();
headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON_UTF8));
final MediaType contentType = MediaType.valueOf(APPLICATION_FORM_URLENCODED_VALUE + ";charset=UTF-8");
headers.setContentType(contentType);
return headers;
}
}