/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with this
* work for additional information regarding copyright ownership. The ASF
* licenses this file to You 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.sling.launchpad.testservices.servlets;
import java.io.IOException;
import java.util.Dictionary;
import java.util.Hashtable;
import javax.servlet.ServletException;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.osgi.service.cm.Configuration;
import org.osgi.service.cm.ConfigurationAdmin;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventHandler;
/**
* Servlet which disables and enables anonymous access and ensures
* that the authenticator service has accepted the configuration change.
*/
@SuppressWarnings("serial")
@Component(immediate = true)
@Service
@Properties({ @Property(name = "service.description", value = "Anonymous Access Config Servlet"),
@Property(name = "service.vendor", value = "The Apache Software Foundation"),
@Property(name = "sling.servlet.paths", value = "/testing/AnonymousAccessConfigServlet"),
@Property(name = "sling.servlet.extensions", value = "txt"),
@Property(name = "event.topics", value = "org/osgi/framework/ServiceEvent/MODIFIED") })
public class AnonymousAccessConfigServlet extends SlingAllMethodsServlet implements EventHandler {
private static final String PROP_AUTH_ANNONYMOUS = "auth.annonymous";
private static final String AUTH_PID = "org.apache.sling.engine.impl.auth.SlingAuthenticator";
private static final long TIMEOUT = 1000;
@Reference
private ConfigurationAdmin configAdmin;
private int modifiedCounter;
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException,
IOException {
response.setContentType(request.getContentType());
String action = request.getParameter("action");
if ("disable".equals(action)) {
int existingModifiedCounter = modifiedCounter;
Configuration config = configAdmin.getConfiguration(AUTH_PID, null);
Dictionary props = config.getProperties();
if (props == null) {
props = new Hashtable();
}
props.put(PROP_AUTH_ANNONYMOUS, Boolean.FALSE);
config.update(props);
waitForModified(existingModifiedCounter, TIMEOUT);
} else if ("enable".equals(action)) {
int existingModifiedCounter = modifiedCounter;
Configuration config = configAdmin.getConfiguration(AUTH_PID, null);
Dictionary props = config.getProperties();
if (props == null) {
props = new Hashtable();
}
props.put(PROP_AUTH_ANNONYMOUS, Boolean.TRUE);
config.update(props);
waitForModified(existingModifiedCounter, TIMEOUT);
}
response.getWriter().println("ok");
}
private void waitForModified(final int existingModifiedCounter, final long timeoutMsec) {
final int targetCounter = existingModifiedCounter + 1;
final long end = System.currentTimeMillis() + timeoutMsec;
while (modifiedCounter < targetCounter && System.currentTimeMillis() < end) {
try {
Thread.sleep(100);
} catch (InterruptedException ignored) {
}
}
if (modifiedCounter < targetCounter) {
throw new IllegalStateException("Event counter did not reach " + targetCounter + ", waited " + timeoutMsec
+ " msec");
}
}
public void handleEvent(Event event) {
if (AUTH_PID.equals(event.getProperty("service.pid"))) {
modifiedCounter++;
}
}
}