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Add JWKSelectorFactory

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Issue: gh-5330
This commit is contained in:
Rob Winch 2018-06-14 16:32:11 -05:00
parent 3ddde473f2
commit 923e23d05b
1 changed files with 62 additions and 0 deletions
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62
oauth2/oauth2-jose/src/main/java/org/springframework/security/oauth2/jwt/JWKSelectorFactory.java Normal file
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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
*
* 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.security.oauth2.jwt;
import com.nimbusds.jose.JWSAlgorithm;
import com.nimbusds.jose.JWSHeader;
import com.nimbusds.jose.KeySourceException;
import com.nimbusds.jose.jwk.JWKMatcher;
import com.nimbusds.jose.jwk.JWKSelector;
import com.nimbusds.jose.proc.JWSVerificationKeySelector;
/**
* @author Rob Winch
* @since 5.1
*/
class JWKSelectorFactory {
private final DelegateSelectorFactory delegate;
JWKSelectorFactory(JWSAlgorithm expectedJWSAlgorithm) {
this.delegate = new DelegateSelectorFactory(expectedJWSAlgorithm);
}
JWKSelector createSelector(JWSHeader jwsHeader) {
return new JWKSelector(this.delegate.createJWKMatcher(jwsHeader));
}
/**
* Used to expose the protected {@link #createJWKMatcher(JWSHeader)} method.
*/
private static class DelegateSelectorFactory extends JWSVerificationKeySelector {
/**
* Creates a new JWS verification key selector.
*
* @param jwsAlg The expected JWS algorithm for the objects to be
* verified. Must not be {@code null}.
*/
public DelegateSelectorFactory(JWSAlgorithm jwsAlg) {
super(jwsAlg, (jwkSelector, context) -> {
throw new KeySourceException("JWKSelectorFactory is only intended for creating a selector");
});
}
@Override
public JWKMatcher createJWKMatcher(JWSHeader jwsHeader) {
return super.createJWKMatcher(jwsHeader);
}
}
}