spring security JwtBearerTokenAuthenticationConverter 源码
spring security JwtBearerTokenAuthenticationConverter 代码
文件路径：/oauth2/oauth2-resource-server/src/main/java/org/springframework/security/oauth2/server/resource/authentication/JwtBearerTokenAuthenticationConverter.java
/*
* Copyright 2002-2019 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.security.oauth2.server.resource.authentication;
import java.util.Collection;
import java.util.Map;
import org.springframework.core.convert.converter.Converter;
import org.springframework.security.authentication.AbstractAuthenticationToken;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.oauth2.core.DefaultOAuth2AuthenticatedPrincipal;
import org.springframework.security.oauth2.core.OAuth2AccessToken;
import org.springframework.security.oauth2.core.OAuth2AuthenticatedPrincipal;
import org.springframework.security.oauth2.jwt.Jwt;
/**
* A {@link Converter} that takes a {@link Jwt} and converts it into a
* {@link BearerTokenAuthentication}.
*
* In the process, it will attempt to parse either the "scope" or "scp" attribute,
* whichever it finds first.
*
* It's not intended that this implementation be configured since it is simply an adapter.
* If you are using, for example, a custom {@link JwtGrantedAuthoritiesConverter}, then
* it's recommended that you simply create your own {@link Converter} that delegates to
* your custom {@link JwtGrantedAuthoritiesConverter} and instantiates the appropriate
* {@link BearerTokenAuthentication}.
*
* @author Josh Cummings
* @since 5.2
*/
public final class JwtBearerTokenAuthenticationConverter implements Converter<Jwt, AbstractAuthenticationToken> {
private final JwtAuthenticationConverter jwtAuthenticationConverter = new JwtAuthenticationConverter();
@Override
public AbstractAuthenticationToken convert(Jwt jwt) {
OAuth2AccessToken accessToken = new OAuth2AccessToken(OAuth2AccessToken.TokenType.BEARER, jwt.getTokenValue(),
jwt.getIssuedAt(), jwt.getExpiresAt());
Map<String, Object> attributes = jwt.getClaims();
AbstractAuthenticationToken token = this.jwtAuthenticationConverter.convert(jwt);
Collection<GrantedAuthority> authorities = token.getAuthorities();
OAuth2AuthenticatedPrincipal principal = new DefaultOAuth2AuthenticatedPrincipal(attributes, authorities);
return new BearerTokenAuthentication(principal, accessToken, authorities);
}
}
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