/**
* Copyright 2010 Google Inc.
*
* Licensed 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.waveprotocol.box.server.robots.dataapi;
import com.google.inject.Inject;
import com.google.inject.name.Named;
import com.google.wave.api.RobotSerializer;
import com.google.wave.api.data.converter.EventDataConverterManager;
import net.oauth.OAuth;
import net.oauth.OAuthAccessor;
import net.oauth.OAuthMessage;
import net.oauth.OAuthProblemException;
import net.oauth.OAuthValidator;
import net.oauth.server.HttpRequestMessage;
import org.waveprotocol.box.server.robots.OperationServiceRegistry;
import org.waveprotocol.box.server.robots.util.ConversationUtil;
import org.waveprotocol.box.server.waveserver.WaveletProvider;
import org.waveprotocol.wave.model.wave.ParticipantId;
import org.waveprotocol.wave.util.logging.Log;
import java.io.IOException;
import javax.inject.Singleton;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* {@link HttpServlet} that serves as the endpoint for the Data Api.
*
* @author ljvderijk@google.com (Lennard de Rijk)
*/
@SuppressWarnings("serial")
@Singleton
public class DataApiServlet extends BaseApiServlet {
private static final Log LOG = Log.get(DataApiServlet.class);
private final DataApiTokenContainer tokenContainer;
@Inject
public DataApiServlet(RobotSerializer robotSerializer,
EventDataConverterManager converterManager, WaveletProvider waveletProvider,
@Named("DataApiRegistry") OperationServiceRegistry operationRegistry,
ConversationUtil conversationUtil, OAuthValidator validator,
DataApiTokenContainer tokenContainer) {
super(robotSerializer, converterManager, waveletProvider, operationRegistry, conversationUtil,
validator);
this.tokenContainer = tokenContainer;
}
/**
* Entry point for the Data API Calls.
*/
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
OAuthMessage message = new HttpRequestMessage(req, req.getRequestURL().toString());
OAuthAccessor accessor;
try {
message.requireParameters(OAuth.OAUTH_TOKEN);
accessor = tokenContainer.getAccessTokenAccessor(message.getParameter(OAuth.OAUTH_TOKEN));
} catch (OAuthProblemException e) {
LOG.info("No valid OAuth token present", e);
// Have to set status here manually, cannot use e.getHttpStatusCode
// because message.requireParameters doesn't set it in the exception.
resp.sendError(HttpServletResponse.SC_UNAUTHORIZED, e.getMessage());
return;
}
ParticipantId participant =
(ParticipantId) accessor.getProperty(DataApiTokenContainer.USER_PROPERTY_NAME);
processOpsRequest(req, resp, message, accessor, participant);
}
}