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//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
// Portions of this file adapted for use from Apache Harmony code by written
// and contributed to that project by Alexey V. Varlamov under the ASL
// ========================================================================
//
package org.eclipse.jetty.policy.loader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.security.KeyStore;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.eclipse.jetty.policy.PolicyBlock;
import org.eclipse.jetty.policy.PolicyContext;
import org.eclipse.jetty.policy.PolicyException;
import org.eclipse.jetty.policy.entry.GrantEntry;
import org.eclipse.jetty.policy.entry.KeystoreEntry;
/**
* Load the policies within the stream and resolve into protection domains and permission collections
*
*/
public class DefaultPolicyLoader
{
public static Set<PolicyBlock> load( InputStream policyStream, PolicyContext context ) throws PolicyException
{
Set<PolicyBlock> policies = new HashSet<PolicyBlock>();
KeyStore keystore = null;
try
{
PolicyFileScanner loader = new PolicyFileScanner();
Collection<GrantEntry> grantEntries = new ArrayList<GrantEntry>();
List<KeystoreEntry> keystoreEntries = new ArrayList<KeystoreEntry>();
loader.scanStream( new InputStreamReader(policyStream), grantEntries, keystoreEntries );
for ( Iterator<KeystoreEntry> i = keystoreEntries.iterator(); i.hasNext();)
{
KeystoreEntry node = i.next();
node.expand( context );
keystore = node.toKeyStore();
if ( keystore != null )
{
// we only process the first valid keystore
context.setKeystore( keystore );
break;
}
}
for ( Iterator<GrantEntry> i = grantEntries.iterator(); i.hasNext(); )
{
GrantEntry grant = i.next();
grant.expand( context );
PolicyBlock policy = new PolicyBlock();
policy.setCodeSource( grant.getCodeSource() );
policy.setPrincipals( grant.getPrincipals() );
policy.setPermissions( grant.getPermissions() );
policies.add(policy);
}
return policies;
}
catch ( Exception e )
{
throw new PolicyException( e );
}
}
}
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