<commit_before>/*
 *   @(#) $Id$
 *   
 *   Copyright 2004 The Apache Software Foundation
 *
 *   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.apache.ldap.server.authz.support;

import java.util.Collection;
import java.util.Iterator;

import javax.naming.Name;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;

import org.apache.ldap.common.aci.ACITuple;
import org.apache.ldap.common.aci.AuthenticationLevel;
import org.apache.ldap.common.aci.ProtectedItem;
import org.apache.ldap.common.aci.ProtectedItem.RestrictedByItem;
import org.apache.ldap.server.interceptor.NextInterceptor;

public class RestrictedByFilter implements ACITupleFilter
{
    public Collection filter( Collection tuples, OperationScope scope, NextInterceptor next, Name userGroupName, Name userName, Attributes userEntry, AuthenticationLevel authenticationLevel, Name entryName, String attrId, Object attrValue, Attributes entry, Collection microOperations ) throws NamingException
    {
        if( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE )
        {
            return tuples;
        }

        if( tuples.size() == 0 )
        {
            return tuples;
        }
        
        for( Iterator i = tuples.iterator(); i.hasNext(); )
        {
            ACITuple tuple = ( ACITuple ) i.next();
            if( !tuple.isGrant() )
            {
                continue;
            }

            if( isRemovable( tuple, attrValue, entry ) )
            {
                i.remove();
            }
        }
        
        return tuples;
    }

    public boolean isRemovable( ACITuple tuple, Object attrValue, Attributes entry )
    {
        for( Iterator i = tuple.getProtectedItems().iterator(); i.hasNext(); )
        {
            ProtectedItem item = ( ProtectedItem ) i.next();
            if( item instanceof ProtectedItem.RestrictedBy )
            {
                ProtectedItem.RestrictedBy rb = ( ProtectedItem.RestrictedBy ) item;
                for( Iterator k = rb.iterator(); k.hasNext(); )
                {
                    RestrictedByItem rbItem = ( RestrictedByItem ) k.next();
                    Attribute attr = entry.get( rbItem.getValuesIn() );
                    if( attr == null || !attr.contains( attrValue ) )
                    {
                        return true;
                    }
                }
            }
        }
        
        return false;
    }

}<commit_msg>Fixed a bug that RectrictedByFilter is applied to unrelated attributes.<commit_after>/*
 *   @(#) $Id$
 *   
 *   Copyright 2004 The Apache Software Foundation
 *
 *   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.apache.ldap.server.authz.support;

import java.util.Collection;
import java.util.Iterator;

import javax.naming.Name;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;

import org.apache.ldap.common.aci.ACITuple;
import org.apache.ldap.common.aci.AuthenticationLevel;
import org.apache.ldap.common.aci.ProtectedItem;
import org.apache.ldap.common.aci.ProtectedItem.RestrictedByItem;
import org.apache.ldap.server.interceptor.NextInterceptor;

public class RestrictedByFilter implements ACITupleFilter
{
    public Collection filter( Collection tuples, OperationScope scope, NextInterceptor next, Name userGroupName, Name userName, Attributes userEntry, AuthenticationLevel authenticationLevel, Name entryName, String attrId, Object attrValue, Attributes entry, Collection microOperations ) throws NamingException
    {
        if( scope != OperationScope.ATTRIBUTE_TYPE_AND_VALUE )
        {
            return tuples;
        }

        if( tuples.size() == 0 )
        {
            return tuples;
        }
        
        for( Iterator i = tuples.iterator(); i.hasNext(); )
        {
            ACITuple tuple = ( ACITuple ) i.next();
            if( !tuple.isGrant() )
            {
                continue;
            }

            if( isRemovable( tuple, attrId, attrValue, entry ) )
            {
                i.remove();
            }
        }
        
        return tuples;
    }

    public boolean isRemovable( ACITuple tuple, String attrId, Object attrValue, Attributes entry )
    {
        for( Iterator i = tuple.getProtectedItems().iterator(); i.hasNext(); )
        {
            ProtectedItem item = ( ProtectedItem ) i.next();
            if( item instanceof ProtectedItem.RestrictedBy )
            {
                ProtectedItem.RestrictedBy rb = ( ProtectedItem.RestrictedBy ) item;
                for( Iterator k = rb.iterator(); k.hasNext(); )
                {
                    RestrictedByItem rbItem = ( RestrictedByItem ) k.next();
                    if( attrId.equalsIgnoreCase( rbItem.getAttributeType() ) )
                    {
                        Attribute attr = entry.get( rbItem.getValuesIn() );
                        if( attr == null || !attr.contains( attrValue ) )
                        {
                            return true;
                        }
                    }
                }
            }
        }
        
        return false;
    }

}
{'fraction_non_alphanumeric': 0.08785076530612244, 'fraction_numerical': 0.0028698979591836736, 'mean_word_length': 2.0734933855952966, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1921832', 'n_tokens_mistral': 1692, 'n_tokens_neox': 1637, 'n_words': 459}