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//---IMPORTS--- |
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import uk.org.iscream.cms.server.util.*; |
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import java.util.LinkedList; |
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import java.util.Iterator; |
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import java.util.ArrayList; |
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import java.net.InetAddress; |
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import java.io.Serializable; |
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/** |
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* Access Control List for use primarily |
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* @author $Author$ |
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* @version $Id$ |
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*/ |
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public class ACL { |
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public class ACL implements Serializable { |
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//---FINAL ATTRIBUTES--- |
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* @return whether the address was permitted by the ACL |
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*/ |
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public boolean check(String address) { |
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Iterator i = _acl.iterator(); |
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while(i.hasNext()) { |
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ACLRule item = (ACLRule) i.next(); |
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if(StringUtils.wildcardCheck(address, item._expression)) { |
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return item._allow; |
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for(int i=0; i < _acl.size(); i++) { |
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ACLRule rule = (ACLRule) _acl.get(i); |
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if(StringUtils.wildcardCheck(address, rule._expression)) { |
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return rule._allow; |
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} |
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} |
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return _defaultMode; |
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* @return whether the InetAddress was permitted by the ACL |
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*/ |
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public boolean check(InetAddress address) { |
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Iterator i = _acl.iterator(); |
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while(i.hasNext()) { |
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ACLRule item = (ACLRule) i.next(); |
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if(StringUtils.wildcardCheck(address.getHostName(), item._expression)) { |
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return item._allow; |
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for(int i=0; i < _acl.size(); i++) { |
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ACLRule rule = (ACLRule) _acl.get(i); |
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if(StringUtils.wildcardCheck(address.getHostName(), rule._expression)) { |
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return rule._allow; |
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} |
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if(StringUtils.wildcardCheck(address.getHostAddress(), item._expression)) { |
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return item._allow; |
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if(StringUtils.wildcardCheck(address.getHostAddress(), rule._expression)) { |
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return rule._allow; |
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} |
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} |
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return _defaultMode; |
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*/ |
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public String getStringACL() { |
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String acl = ""; |
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Iterator i = _acl.iterator(); |
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while(i.hasNext()) { |
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ACLRule item = (ACLRule) i.next(); |
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if(item._allow) { |
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acl += "ALLOW:" + item._expression + " "; |
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for(int i=0; i < _acl.size(); i++) { |
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ACLRule rule = (ACLRule) _acl.get(i); |
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if(rule._allow) { |
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acl += "ALLOW:" + rule._expression + " "; |
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} |
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else { |
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acl += "DENY:" + item._expression + " "; |
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acl += "DENY:" + rule._expression + " "; |
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} |
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} |
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return acl.substring(0, acl.length()-1); |
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if(_defaultMode) { |
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acl += "DEFAULT:ALLOW"; |
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} |
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else { |
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acl += "DEFAULT:DENY"; |
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} |
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return acl; |
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} |
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/** |
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private String _name = null; |
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/** |
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* The ACL is stored in this LinkedList. |
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* This is ideal as the list is always searched |
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* from beginning to end in an iterative fashion. |
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* The ACL is stored in this ArrayList. |
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*/ |
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private LinkedList _acl = new LinkedList(); |
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private ArrayList _acl = new ArrayList(); |
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/** |
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* The default mode of this ACL. |
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/** |
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* Wrapper class for an ACL rule. |
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*/ |
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private class ACLRule { |
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private class ACLRule implements Serializable { |
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/** |
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* Construct an ACL rule. |
