    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.logging.log4j.LogManager;
    024import org.apache.logging.log4j.Logger;
    025import org.apache.wiki.api.core.Acl;
    026import org.apache.wiki.api.core.Context;
    027import org.apache.wiki.api.core.Page;
    028import org.apache.wiki.auth.WikiSecurityException;
    029import org.apache.wiki.auth.acl.AclManager;
    030import org.apache.wiki.markdown.nodes.JSPWikiLink;
    031import org.apache.wiki.render.RenderingManager;
    032
    033
    034/**
    035 * {@link NodePostProcessorState} which further post processes access rules links.
    036 */
    037public class AccessRuleLinkNodePostProcessorState implements NodePostProcessorState< JSPWikiLink > {
    038
    039    private static final Logger LOG = LogManager.getLogger( AccessRuleLinkNodePostProcessorState.class );
    040    private final Context wikiContext;
    041    private final boolean m_wysiwygEditorMode;
    042
    043    public AccessRuleLinkNodePostProcessorState( final Context wikiContext ) {
    044        this.wikiContext = wikiContext;
    045        final Boolean wysiwygVariable = wikiContext.getVariable( Context.VAR_WYSIWYG_EDITOR_MODE );
    046        m_wysiwygEditorMode = wysiwygVariable != null ? wysiwygVariable : false;
    047    }
    048
    049    /**
    050     * {@inheritDoc}
    051     *
    052     * @see NodePostProcessorState#process(NodeTracker, Node)
    053     */
    054    @Override
    055    public void process( final NodeTracker state, final JSPWikiLink link ) {
    056        String ruleLine = NodePostProcessorStateCommonOperations.inlineLinkTextOnWysiwyg( state, link, m_wysiwygEditorMode );
    057        if( wikiContext.getEngine().getManager( RenderingManager.class ).getParser( wikiContext, link.getUrl().toString() ).isParseAccessRules() ) {
    058            final Page page = wikiContext.getRealPage();
    059            if( ruleLine.startsWith( "{" ) ) {
    060                ruleLine = ruleLine.substring( 1 );
    061            }
    062            if( ruleLine.endsWith( "}" ) ) {
    063                ruleLine = ruleLine.substring( 0, ruleLine.length() - 1 );
    064            }
    065            LOG.debug( "page=" + page.getName() + ", ACL = " + ruleLine );
    066
    067            try {
    068                final Acl acl = wikiContext.getEngine().getManager( AclManager.class ).parseAcl( page, ruleLine );
    069                page.setAcl( acl );
    070                link.unlink();
    071                state.nodeRemoved( link );
    072                LOG.debug( acl.toString() );
    073            } catch( final WikiSecurityException wse ) {
    074                NodePostProcessorStateCommonOperations.makeError( state, link, wse.getMessage() );
    075            }
    076        }
    077    }
    078
    079}