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OAuth2ClientPropertiesRegistrationAdapter.java
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OAuth2ClientPropertiesRegistrationAdapter.java
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/*
* Copyright 2012-2019 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.boot.autoconfigure.security.oauth2.client;
import java.util.HashMap;
import java.util.Map;
import org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientProperties.Provider;
import org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientProperties.Registration;
import org.springframework.boot.context.properties.PropertyMapper;
import org.springframework.boot.convert.ApplicationConversionService;
import org.springframework.core.convert.ConversionException;
import org.springframework.security.config.oauth2.client.CommonOAuth2Provider;
import org.springframework.security.oauth2.client.registration.ClientRegistration;
import org.springframework.security.oauth2.client.registration.ClientRegistration.Builder;
import org.springframework.security.oauth2.core.AuthorizationGrantType;
import org.springframework.security.oauth2.core.ClientAuthenticationMethod;
import org.springframework.util.StringUtils;
/**
* Adapter class to convert {@link OAuth2ClientProperties} to a
* {@link ClientRegistration}.
*
* @author Phillip Webb
* @author Thiago Hirata
*/
final class OAuth2ClientPropertiesRegistrationAdapter {
private OAuth2ClientPropertiesRegistrationAdapter() {
}
public static Map<String, ClientRegistration> getClientRegistrations(OAuth2ClientProperties properties) {
Map<String, ClientRegistration> clientRegistrations = new HashMap<>();
properties.getRegistration().forEach((key, value) -> clientRegistrations.put(key,
getClientRegistration(key, value, properties.getProvider())));
return clientRegistrations;
}
private static ClientRegistration getClientRegistration(String registrationId, Registration properties,
Map<String, Provider> providers) {
Builder builder = getBuilder(registrationId, properties.getProvider(), providers);
PropertyMapper map = PropertyMapper.get().alwaysApplyingWhenNonNull();
map.from(properties::getClientId).to(builder::clientId);
map.from(properties::getClientSecret).to(builder::clientSecret);
map.from(properties::getClientAuthenticationMethod).as(ClientAuthenticationMethod::new)
.to(builder::clientAuthenticationMethod);
map.from(properties::getAuthorizationGrantType).as(AuthorizationGrantType::new)
.to(builder::authorizationGrantType);
map.from(properties::getRedirectUriTemplate).to(builder::redirectUriTemplate);
map.from(properties::getScope).as((scope) -> StringUtils.toStringArray(scope)).to(builder::scope);
map.from(properties::getClientName).to(builder::clientName);
return builder.build();
}
private static Builder getBuilder(String registrationId, String configuredProviderId,
Map<String, Provider> providers) {
String providerId = (configuredProviderId != null) ? configuredProviderId : registrationId;
CommonOAuth2Provider provider = getCommonProvider(providerId);
if (provider == null && !providers.containsKey(providerId)) {
throw new IllegalStateException(getErrorMessage(configuredProviderId, registrationId));
}
Builder builder = (provider != null) ? provider.getBuilder(registrationId)
: ClientRegistration.withRegistrationId(registrationId);
if (providers.containsKey(providerId)) {
return getBuilder(builder, providers.get(providerId));
}
return builder;
}
private static String getErrorMessage(String configuredProviderId, String registrationId) {
return ((configuredProviderId != null) ? "Unknown provider ID '" + configuredProviderId + "'"
: "Provider ID must be specified for client registration '" + registrationId + "'");
}
private static Builder getBuilder(Builder builder, Provider provider) {
PropertyMapper map = PropertyMapper.get().alwaysApplyingWhenNonNull();
map.from(provider::getAuthorizationUri).to(builder::authorizationUri);
map.from(provider::getTokenUri).to(builder::tokenUri);
map.from(provider::getUserInfoUri).to(builder::userInfoUri);
map.from(provider::getJwkSetUri).to(builder::jwkSetUri);
map.from(provider::getUserNameAttribute).to(builder::userNameAttributeName);
return builder;
}
private static CommonOAuth2Provider getCommonProvider(String providerId) {
try {
return ApplicationConversionService.getSharedInstance().convert(providerId, CommonOAuth2Provider.class);
}
catch (ConversionException ex) {
return null;
}
}
}