AliasesPreprocessor.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.jcr.Credentials
* javax.jcr.Node
* javax.jcr.Property
* javax.jcr.RepositoryException
* javax.jcr.Session
* javax.jcr.SimpleCredentials
* javax.jcr.Value
* org.apache.sling.jcr.api.SlingRepository
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.day.cq.replication.impl;
import com.day.cq.replication.AgentConfig;
import com.day.cq.replication.Preprocessor;
import com.day.cq.replication.ReplicationAction;
import com.day.cq.replication.ReplicationActionType;
import com.day.cq.replication.ReplicationException;
import com.day.cq.replication.ReplicationOptions;
import com.day.cq.replication.Replicator;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.jcr.Credentials;
import javax.jcr.Node;
import javax.jcr.Property;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.SimpleCredentials;
import javax.jcr.Value;
import org.apache.sling.jcr.api.SlingRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AliasesPreprocessor
implements Preprocessor {
private static final String SLING_VANITY_PATH = "sling:vanityPath";
private static final String SLING_ALIAS = "sling:alias";
private final Logger log = LoggerFactory.getLogger(AliasesPreprocessor.class);
private SlingRepository repository;
private Replicator replicator;
public AliasesPreprocessor(SlingRepository repository, Replicator replicator) {
this.repository = repository;
this.replicator = replicator;
}
@Override
public void preprocess(ReplicationAction action, ReplicationOptions options) throws ReplicationException {
if (options.isUpdateAlias()) {
Session systemSession = null;
Session session = null;
try {
String agentUserId;
session = systemSession = this.repository.loginService("replicationService", null);
AgentConfig config = action.getConfig();
if (config != null && (agentUserId = config.getAgentUserId()) != null && agentUserId.length() > 0) {
session = this.repository.impersonateFromService("replicationService", (Credentials)new SimpleCredentials(agentUserId, new char[0]), null);
}
Collection<String> aliases = this.getAliasesFor(action.getPath(), session);
options.addToAliasReplicated(action.getPath());
for (String alias : aliases) {
if (options.isAliasReplicated(alias)) continue;
this.replicator.replicate(session, action.getType(), alias, options);
}
}
catch (RepositoryException e) {
throw new ReplicationException((Exception)e);
}
finally {
if (session != null && session.isLive() && session != systemSession) {
session.logout();
}
if (systemSession != null && systemSession.isLive()) {
systemSession.logout();
}
}
}
}
private Collection<String> getAliasesFor(String path, Session session) throws RepositoryException {
Collection aliases = session.nodeExists(path) ? this.getAliasesAt(path, session) : Collections.emptySet();
return aliases;
}
private Collection<String> getAliasesAt(String path, Session session) throws RepositoryException {
HashSet<String> aliases = new HashSet<String>();
HashMap<String, List<String>> mappings = new HashMap<String, List<String>>();
for (int i = 1; i < path.length(); ++i) {
if (path.charAt(i) != '/' && i + 1 != path.length()) continue;
if (i + 1 == path.length()) {
++i;
}
String pathSoFar = path.substring(0, i);
if (this.log.isDebugEnabled()) {
this.log.debug("checking {}", (Object)pathSoFar);
}
Node candidateNode = session.getNode(pathSoFar);
List<String> aliasNodeNames = this.getAliasNodeNames(candidateNode);
for (String aliasNodeName : aliasNodeNames) {
if (aliasNodeName == null) continue;
String substitution = aliasNodeName.startsWith("/") ? aliasNodeName : candidateNode.getParent().getPath() + "/" + aliasNodeName;
String aliasedPath = path.replace(pathSoFar, substitution);
this.mergeExistingMappings(aliases, mappings, pathSoFar, aliasedPath);
if (mappings.get(pathSoFar) == null) {
LinkedList<String> subs = new LinkedList<String>();
subs.add(substitution);
mappings.put(pathSoFar, subs);
} else {
mappings.get(pathSoFar).add(substitution);
}
if (this.log.isDebugEnabled()) {
this.log.debug("added mapping {} -> {}", (Object)pathSoFar, (Object)substitution);
}
aliases.add(aliasedPath);
if (!this.log.isDebugEnabled()) continue;
this.log.debug("added alias {}", (Object)aliasedPath);
}
}
return aliases;
}
private void mergeExistingMappings(Collection<String> aliases, Map<String, List<String>> mappings, String pathSoFar, String aliasedPath) {
for (Map.Entry<String, List<String>> mk : mappings.entrySet()) {
String source = mk.getKey();
if (!pathSoFar.contains(source)) continue;
List<String> substitutions = mk.getValue();
for (String substitution : substitutions) {
if (!aliasedPath.startsWith(source)) continue;
String suffix = aliasedPath.substring(source.length());
String newAlias = substitution + suffix;
this.log.debug("added alias {}", (Object)newAlias);
aliases.add(newAlias);
this.mergeExistingMappings(aliases, mappings, pathSoFar, newAlias);
}
}
}
private List<String> getAliasNodeNames(Node candidateNode) throws RepositoryException {
LinkedList<String> aliasNodeNames = new LinkedList<String>();
if (candidateNode.hasProperty("sling:vanityPath")) {
Property property = candidateNode.getProperty("sling:vanityPath");
if (property.isMultiple()) {
for (Value v : property.getValues()) {
String aliasNodeName = v.getString();
int selectorsAndExtensionsIndex = aliasNodeName.indexOf(46);
if (selectorsAndExtensionsIndex > 0) {
aliasNodeName = aliasNodeName.substring(0, selectorsAndExtensionsIndex);
}
aliasNodeNames.add(aliasNodeName);
}
} else {
String aliasNodeName = property.getString();
int selectorsAndExtensionsIndex = aliasNodeName.indexOf(46);
if (selectorsAndExtensionsIndex > 0) {
aliasNodeName = aliasNodeName.substring(0, selectorsAndExtensionsIndex);
}
aliasNodeNames.add(aliasNodeName);
}
} else if (candidateNode.hasProperty("sling:alias")) {
Property property = candidateNode.getProperty("sling:alias");
if (property.isMultiple()) {
for (Value v : property.getValues()) {
String aliasNodeName = v.getString();
int selectorsAndExtensionsIndex = aliasNodeName.indexOf(46);
if (selectorsAndExtensionsIndex > 0) {
aliasNodeName = aliasNodeName.substring(0, selectorsAndExtensionsIndex);
}
aliasNodeNames.add(aliasNodeName);
}
} else {
aliasNodeNames.add(property.getString());
}
}
if (candidateNode.hasNode("jcr:content")) {
return this.getAliasNodeNames(candidateNode.getNode("jcr:content"));
}
return aliasNodeNames;
}
}