001/*
002    Licensed to the Apache Software Foundation (ASF) under one
003    or more contributor license agreements.  See the NOTICE file
004    distributed with this work for additional information
005    regarding copyright ownership.  The ASF licenses this file
006    to you under the Apache License, Version 2.0 (the
007    "License"); you may not use this file except in compliance
008    with the License.  You may obtain a copy of the License at
009
010       http://www.apache.org/licenses/LICENSE-2.0
011
012    Unless required by applicable law or agreed to in writing,
013    software distributed under the License is distributed on an
014    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015    KIND, either express or implied.  See the License for the
016    specific language governing permissions and limitations
017    under the License.
018 */
019package org.apache.wiki.markdown.extensions.jspwikilinks.postprocessor;
020
021import com.vladsch.flexmark.util.ast.Node;
022import com.vladsch.flexmark.util.ast.NodeTracker;
023import org.apache.log4j.Logger;
024import org.apache.wiki.api.core.Acl;
025import org.apache.wiki.api.core.Context;
026import org.apache.wiki.api.core.Page;
027import org.apache.wiki.auth.WikiSecurityException;
028import org.apache.wiki.auth.acl.AclManager;
029import org.apache.wiki.markdown.nodes.JSPWikiLink;
030import org.apache.wiki.render.RenderingManager;
031
032
033/**
034 * {@link NodePostProcessorState} which further post processes access rules links.
035 */
036public class AccessRuleLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > {
037
038    private static final Logger LOG = Logger.getLogger( AccessRuleLinkNodePostProcessorState.class );
039    private final Context wikiContext;
040    private final boolean m_wysiwygEditorMode;
041
042    public AccessRuleLinkNodePostProcessorState( final Context wikiContext ) {
043        this.wikiContext = wikiContext;
044        final Boolean wysiwygVariable = wikiContext.getVariable( Context.VAR_WYSIWYG_EDITOR_MODE );
045        m_wysiwygEditorMode = wysiwygVariable != null ? wysiwygVariable : false;
046    }
047
048    /**
049     * {@inheritDoc}
050     *
051     * @see NodePostProcessorState#process(NodeTracker, Node)
052     */
053    @Override
054    public void process( final NodeTracker state, final JSPWikiLink link ) {
055        String ruleLine = NodePostProcessorStateCommonOperations.inlineLinkTextOnWysiwyg( state, link, m_wysiwygEditorMode );
056        if( wikiContext.getEngine().getManager( RenderingManager.class ).getParser( wikiContext, link.getUrl().toString() ).isParseAccessRules() ) {
057            final Page page = wikiContext.getRealPage();
058            if( ruleLine.startsWith( "{" ) ) {
059                ruleLine = ruleLine.substring( 1 );
060            }
061            if( ruleLine.endsWith( "}" ) ) {
062                ruleLine = ruleLine.substring( 0, ruleLine.length() - 1 );
063            }
064            LOG.debug( "page=" + page.getName() + ", ACL = " + ruleLine );
065
066            try {
067                final Acl acl = wikiContext.getEngine().getManager( AclManager.class ).parseAcl( page, ruleLine );
068                page.setAcl( acl );
069                link.unlink();
070                state.nodeRemoved( link );
071                LOG.debug( acl.toString() );
072            } catch( final WikiSecurityException wse ) {
073                NodePostProcessorStateCommonOperations.makeError( state, link, wse.getMessage() );
074            }
075        }
076    }
077
078}