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.NodeTracker;
022import org.apache.log4j.Logger;
023import org.apache.wiki.WikiContext;
024import org.apache.wiki.WikiPage;
025import org.apache.wiki.auth.WikiSecurityException;
026import org.apache.wiki.auth.acl.Acl;
027import org.apache.wiki.markdown.nodes.JSPWikiLink;
028import org.apache.wiki.render.RenderingManager;
029
030
031/**
032 * {@link NodePostProcessorState} which further post processes access rules links.
033 */
034public class AccessRuleLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > {
035
036    private static final Logger LOG = Logger.getLogger( AccessRuleLinkNodePostProcessorState.class );
037    private final WikiContext wikiContext;
038    private final boolean m_wysiwygEditorMode;
039
040    public AccessRuleLinkNodePostProcessorState( final WikiContext wikiContext ) {
041        this.wikiContext = wikiContext;
042        final Boolean wysiwygVariable = ( Boolean )wikiContext.getVariable( RenderingManager.WYSIWYG_EDITOR_MODE );
043        m_wysiwygEditorMode = wysiwygVariable != null ? wysiwygVariable.booleanValue() : false;
044    }
045
046    /**
047     * {@inheritDoc}
048     *
049     * @see NodePostProcessorState#process(NodeTracker, JSPWikiLink)
050     */
051    @Override
052    public void process( final NodeTracker state, final JSPWikiLink link ) {
053        String ruleLine = NodePostProcessorStateCommonOperations.inlineLinkTextOnWysiwyg( state, link, m_wysiwygEditorMode );
054        if( wikiContext.getEngine().getRenderingManager().getParser( wikiContext, link.getUrl().toString() ).isParseAccessRules() ) {
055            final WikiPage page = wikiContext.getRealPage();
056            if( ruleLine.startsWith( "{" ) ) {
057                ruleLine = ruleLine.substring( 1 );
058            }
059            if( ruleLine.endsWith( "}" ) ) {
060                ruleLine = ruleLine.substring( 0, ruleLine.length() - 1 );
061            }
062            LOG.debug( "page=" + page.getName() + ", ACL = " + ruleLine );
063
064            try {
065                final Acl acl = wikiContext.getEngine().getAclManager().parseAcl( page, ruleLine );
066                page.setAcl( acl );
067                link.unlink();
068                state.nodeRemoved( link );
069                LOG.debug( acl.toString() );
070            } catch( final WikiSecurityException wse ) {
071                NodePostProcessorStateCommonOperations.makeError( state, link, wse.getMessage() );
072            }
073        }
074    }
075
076}