//=============================================================================
//=== Copyright (C) 2001-2007 Food and Agriculture Organization of the
//=== United Nations (FAO-UN), United Nations World Food Programme (WFP)
//=== and United Nations Environment Programme (UNEP)
//===
//=== This program is free software; you can redistribute it and/or modify
//=== it under the terms of the GNU General Public License as published by
//=== the Free Software Foundation; either version 2 of the License, or (at
//=== your option) any later version.
//===
//=== 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
//=== General Public License for more details.
//===
//=== You should have received a copy of the GNU General Public License
//=== along with this program; if not, write to the Free Software
//=== Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
//===
//=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2,
//=== Rome - Italy. email: geonetwork@osgeo.org
//==============================================================================
package org.fao.geonet.services.main;
import org.fao.geonet.exceptions.MissingParameterEx;
import org.fao.geonet.exceptions.UserNotFoundEx;
import jeeves.interfaces.Service;
import jeeves.server.ServiceConfig;
import jeeves.server.context.ServiceContext;
import org.fao.geonet.Util;
import org.fao.geonet.utils.GeonetHttpRequestFactory;
import org.fao.geonet.utils.XmlRequest;
import org.fao.geonet.constants.Geonet;
import org.fao.geonet.lib.Lib;
import org.jdom.Element;
import java.net.URL;
import java.util.List;
//=============================================================================
public class Forward implements Service
{
//--------------------------------------------------------------------------
//---
//--- Init
//---
//--------------------------------------------------------------------------
public void init(String appPath, ServiceConfig config) throws Exception {}
//--------------------------------------------------------------------------
//---
//--- Service
//---
//--------------------------------------------------------------------------
public Element exec(Element params, ServiceContext context) throws Exception
{
Element site = Util.getChild(params, "site");
Element par = Util.getChild(params, "params");
Element acc = site.getChild("account");
String url = Util.getParam(site, "url");
String type = Util.getParam(site, "type", "generic");
String username = (acc == null) ? null : Util.getParam(acc, "username");
String password = (acc == null) ? null : Util.getParam(acc, "password");
@SuppressWarnings("unchecked")
List<Element> list = par.getChildren();
if (list.size() == 0)
throw new MissingParameterEx("<request>", par);
XmlRequest req = context.getBean(GeonetHttpRequestFactory.class).createXmlRequest(new URL(url));
//--- do we need to authenticate?
if (username != null)
authenticate(req, username, password, type);
Lib.net.setupProxy(context, req);
if (list.size() == 1) {
params = list.get(0);
req.setRequest(params);
} else {
for (int i = 0; i < list.size();i++) {
Element elem = list.get(i);
req.addParam(elem.getName(), elem.getText());
}
}
Element result = req.execute();
return result;
}
//--------------------------------------------------------------------------
private void authenticate(XmlRequest req, String username, String password,
String type) throws Exception
{
if (!type.equals("geonetwork"))
//--- set basic/digest credentials for non geonetwork sites
req.setCredentials(username, password);
else
{
String addr = req.getAddress();
int pos = addr.lastIndexOf('/');
req.setAddress(addr.substring(0, pos +1) + Geonet.Service.XML_LOGIN);
req.addParam("username", username);
req.addParam("password", password);
Element response = req.execute();
if (!response.getName().equals("ok"))
throw new UserNotFoundEx(username);
req.setAddress(addr);
}
}
}
//=============================================================================