WopiRequestDispatcher.java
/*
* Copyright (C) 2000 - 2021 Silverpeas
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* As a special exception to the terms and conditions of version 3.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* Open Source Software ("FLOSS") applications as described in Silverpeas's
* FLOSS exception. You should have received a copy of the text describing
* the FLOSS exception, and it is also available here:
* "https://www.silverpeas.org/legal/floss_exception.html"
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.silverpeas.wbe.wopi;
import org.silverpeas.core.annotation.Service;
import org.silverpeas.core.wbe.WbeEdition;
import org.silverpeas.core.wbe.WbeFile;
import org.silverpeas.core.wbe.WbeUser;
import org.silverpeas.core.webapi.wbe.WbeFileEdition;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.core.UriBuilder;
import java.util.Optional;
import static java.text.MessageFormat.format;
import static java.util.Optional.of;
import static javax.ws.rs.core.UriBuilder.fromUri;
import static org.silverpeas.core.wbe.WbeLogger.logger;
import static org.silverpeas.core.webapi.wbe.WbeFileEdition.ACCESS_TOKEN_PARAM;
import static org.silverpeas.wbe.wopi.util.WopiSettings.getWopiHostServiceBaseUrl;
/**
* @author silveryocha
*/
@Service
public class WopiRequestDispatcher implements WbeFileEdition.ClientRequestDispatcher {
private static final String WOPI_SRC_PARAM = "WOPISrc";
@Override
public boolean canHandle(final WbeEdition edition) {
return edition instanceof WopiEdition;
}
@Override
public Optional<String> dispatch(final HttpServletRequest request, final WbeEdition edition) {
final WopiEdition wopiEdition = (WopiEdition) edition;
final WbeUser editionUser = wopiEdition.getUser();
final WbeFile editionFile = wopiEdition.getFile();
final String fileId = editionFile.id();
final UriBuilder hostUriBuilder = fromUri(getWopiHostServiceBaseUrl()).path(fileId);
final UriBuilder uriBuilder = fromUri(wopiEdition.getClientBaseUrl())
.queryParam(WOPI_SRC_PARAM, hostUriBuilder.build())
.queryParam(ACCESS_TOKEN_PARAM, editionUser.getAccessToken());
final String clientUrl = uriBuilder.build().toString();
logger().debug(() -> format(
"from {0} initializing WOPI edition for {1} and for user {2} with WOPI client URL {3}",
editionUser.getSilverpeasSessionId(), editionFile, editionUser, clientUrl));
return of(clientUrl).map(u -> {
request.setAttribute("WopiClientUrl", u);
request.setAttribute("WopiUser", editionUser);
request.setAttribute("WopiFile", editionFile);
return "/wbe/wopi/editor.jsp";
});
}
}