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KeycloakSecurityContext.java
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KeycloakSecurityContext.java
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/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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.keycloak;
import org.keycloak.common.util.Base64Url;
import org.keycloak.representations.AccessToken;
import org.keycloak.representations.IDToken;
import org.keycloak.util.JsonSerialization;
import sun.misc.ObjectInputFilter;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
/**
* Available in secured requests under HttpServlerRequest.getAttribute()
* Also available in HttpSession.getAttribute under the classname of this class
*
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class KeycloakSecurityContext implements Serializable {
protected String tokenString;
protected String idTokenString;
// Don't store parsed tokens into HTTP session
protected transient AccessToken token;
protected transient IDToken idToken;
protected transient AuthorizationContext authorizationContext;
public KeycloakSecurityContext() {
}
public KeycloakSecurityContext(String tokenString, AccessToken token, String idTokenString, IDToken idToken) {
this.tokenString = tokenString;
this.token = token;
this.idToken = idToken;
this.idTokenString = idTokenString;
}
public AccessToken getToken() {
return token;
}
public String getTokenString() {
return tokenString;
}
public AuthorizationContext getAuthorizationContext() {
return authorizationContext;
}
public IDToken getIdToken() {
return idToken;
}
public String getIdTokenString() {
return idTokenString;
}
public String getRealm() {
// Assumption that issuer contains realm name
return token.getIssuer().substring(token.getIssuer().lastIndexOf('/') + 1);
}
// SERIALIZATION
private void writeObject(ObjectOutputStream out) throws IOException {
out.defaultWriteObject();
}
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
if(ObjectInputFilter.Config.getObjectInputFilter(in) == null)
{
ObjectInputFilter filter = ObjectInputFilter.Config.createFilter("org.keycloak.KeycloakSecurityContext;!*");
ObjectInputFilter.Config.setObjectInputFilter(in, filter);
}
in.defaultReadObject();
token = parseToken(tokenString, AccessToken.class);
idToken = parseToken(idTokenString, IDToken.class);
}
// Just decode token without any verifications
private <T> T parseToken(String encoded, Class<T> clazz) throws IOException {
if (encoded == null)
return null;
String[] parts = encoded.split("\\.");
if (parts.length < 2 || parts.length > 3) throw new IllegalArgumentException("Parsing error");
byte[] bytes = Base64Url.decode(parts[1]);
return JsonSerialization.readValue(bytes, clazz);
}
}