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Adds support for Spring Security OAuth2

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Autoconfigures spring.security.oauth2.* application properties. The name of the binding will become the name of the client. The name of the provider will be taken from metadata/provider.

Resolves #35

Signed-off-by: Emily Casey <ecasey@pivotal.io>
This commit is contained in:
Emily Casey
2020-06-19 12:32:10 -04:00
parent d0caf31ab4
commit c2a550e916
5 changed files with 200 additions and 1 deletions
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60
src/main/java/org/springframework/cloud/bindings/boot/SpringSecurityOAuth2BindingsPropertiesProcessor.java Normal file
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@@ -0,0 +1,60 @@
/*
* Copyright 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
*
* 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.cloud.bindings.boot;
import org.springframework.cloud.bindings.Binding;
import org.springframework.cloud.bindings.Bindings;
import org.springframework.core.env.Environment;
import java.util.*;
import static org.springframework.cloud.bindings.boot.Guards.isKindEnabled;
/**
* An implementation of {@link BindingsPropertiesProcessor} that detects {@link Binding}s of kind: {@value KIND}.
*/
public final class SpringSecurityOAuth2BindingsPropertiesProcessor implements BindingsPropertiesProcessor {
/**
* The {@link Binding} kind that this processor is interested in: {@value}.
**/
public static final String KIND = "OAuth2";
@Override
public void process(Environment environment, Bindings bindings, Map<String, Object> properties) {
if (!isKindEnabled(environment, KIND)) {
return;
}
bindings.filterBindings(KIND).forEach(binding -> {
MapMapper map = new MapMapper(binding.getSecret(), properties);
String provider = binding.getProvider();
String clientName = binding.getName();
properties.put(String.format("spring.security.oauth2.client.registration.%s.provider", clientName), provider);
map.from("client-id").to(String.format("spring.security.oauth2.client.registration.%s.client-id", clientName));
map.from("client-secret").to(String.format("spring.security.oauth2.client.registration.%s.client-secret", clientName));
map.from("issuer-uri").to(String.format("spring.security.oauth2.client.provider.%s.issuer-uri", provider));
map.from("authorization-uri").to(String.format("spring.security.oauth2.client.provider.%s.authorization-uri", provider));
map.from("token-uri").to(String.format("spring.security.oauth2.client.provider.%s.token-uri", provider));
map.from("user-info-uri").to(String.format("spring.security.oauth2.client.provider.%s.user-info-uri", provider));
map.from("user-info-authentication-method").to(String.format("spring.security.oauth2.client.provider.%s.user-info-authentication-method", provider));
map.from("jwk-set-uri").to(String.format("spring.security.oauth2.client.provider.%s.jwk-set-uri", provider));
map.from("user-name-attribute").to(String.format("spring.security.oauth2.client.provider.%s.user-name-attribute", provider));
});
}
}

1
src/main/resources/META-INF/spring.factories
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@@ -21,5 +21,6 @@ org.springframework.cloud.bindings.boot.BindingsPropertiesProcessor=\
org.springframework.cloud.bindings.boot.PostgreSqlBindingsPropertiesProcessor, \
org.springframework.cloud.bindings.boot.RabbitMqBindingsPropertiesProcessor, \
org.springframework.cloud.bindings.boot.RedisBindingsPropertiesProcessor, \
org.springframework.cloud.bindings.boot.SpringSecurityOAuth2BindingsPropertiesProcessor, \
org.springframework.cloud.bindings.boot.SqlServerBindingsPropertiesProcessor, \
org.springframework.cloud.bindings.boot.WavefrontBindingsPropertiesProcessor