code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/server/rest/UserHandler.java

   1 /*
   2  * Copyright 2008, 2009 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   6  * GSS is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GSS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package gr.ebs.gss.server.rest;
  20
  21 import static gr.ebs.gss.server.configuration.GSSConfigurationFactory.getConfiguration;
  22 import gr.ebs.gss.client.exceptions.InsufficientPermissionsException;
  23 import gr.ebs.gss.client.exceptions.ObjectNotFoundException;
  24 import gr.ebs.gss.client.exceptions.RpcException;
  25 import gr.ebs.gss.server.Login;
  26 import gr.ebs.gss.server.domain.User;
  27 import gr.ebs.gss.server.domain.dto.StatsDTO;
  28
  29 import java.io.IOException;
  30
  31 import javax.servlet.http.Cookie;
  32 import javax.servlet.http.HttpServletRequest;
  33 import javax.servlet.http.HttpServletResponse;
  34
  35 import org.apache.commons.logging.Log;
  36 import org.apache.commons.logging.LogFactory;
  37 import org.json.JSONException;
  38 import org.json.JSONObject;
  39
  40
  41 /**
  42  * A class that handles operations on the user's root namespace.
  43  *
  44  * @author past
  45  */
  46 public class UserHandler extends RequestHandler {
  47
  48         /**
  49          * The reset WebDAV password parameter name.
  50          */
  51         protected static final String RESET_WEBDAV_PARAMETER = "resetWebDAV";
  52
  53         /**
  54          * The logger.
  55          */
  56         private static Log logger = LogFactory.getLog(UserHandler.class);
  57
  58     /**
  59      * Serve the root namespace for the user.
  60      *
  61      * @param req The servlet request we are processing
  62      * @param resp The servlet response we are processing
  63      * @throws IOException if an input/output error occurs
  64          */
  65         void serveUser(HttpServletRequest req, HttpServletResponse resp) throws IOException {
  66         String parentUrl = getContextPath(req, false);
  67
  68         User user = getUser(req);
  69         User owner = getOwner(req);
  70         if (!owner.equals(user)) {
  71                 resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
  72                 return;
  73         }
  74
  75         JSONObject json = new JSONObject();
  76         try {
  77                 StatsDTO stats = getService().getUserStatistics(owner.getId());
  78                 JSONObject statistics = new JSONObject();
  79                 statistics.put("totalFiles", stats.getFileCount()).put("totalBytes", stats.getFileSize()).
  80                                 put("bytesRemaining", stats.getQuotaLeftSize());
  81                         json.put("name", owner.getName()).put("firstname", owner.getFirstname()).
  82                                         put("lastname", owner.getLastname()).put("username", owner.getUsername()).
  83                                         put("creationDate", owner.getAuditInfo().getCreationDate().getTime()).
  84                                         put("modificationDate", owner.getAuditInfo().getModificationDate().getTime()).
  85                                         put("email", owner.getEmail()).put("fileroot", parentUrl + PATH_FILES).
  86                                         put("groups", parentUrl + PATH_GROUPS).put("trash", parentUrl + PATH_TRASH).
  87                                         put("shared", parentUrl + PATH_SHARED).put("others", parentUrl + PATH_OTHERS).
  88                                         put("quota", statistics).put("tags", parentUrl + PATH_TAGS);
  89                         String announcement = getConfiguration().getString("announcement");
  90                         if(announcement != null && !announcement.isEmpty())
  91                                 json.put("announcement", announcement);
  92                 } catch (JSONException e) {
  93                         logger.error("", e);
  94                         resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
  95                         return;
  96                 } catch (ObjectNotFoundException e) {
  97                         resp.sendError(HttpServletResponse.SC_NOT_FOUND, e.getMessage());
  98                         return;
  99                 } catch (RpcException e) {
 100                         logger.error("", e);
 101                         resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 102                         return;
 103                 }
 104
 105         sendJson(req, resp, json.toString());
 106         }
 107
 108
 109         /**
 110          * Handle POST requests in the users namespace.
 111          *
 112      * @param req The servlet request we are processing
 113      * @param resp The servlet response we are processing
 114      * @throws IOException if an input/output error occurs
 115          */
 116         void postUser(HttpServletRequest req, HttpServletResponse resp) throws IOException {
 117                 try {
 118                 User user = getUser(req);
 119                 User owner = getOwner(req);
 120                 if (!owner.equals(user))
 121                         throw new InsufficientPermissionsException("User " + user.getUsername()
 122                                                 + " does not have permission to modify "
 123                                                 + owner.getUsername());
 124                 boolean hasResetWebDAVParam = req.getParameterMap().containsKey(RESET_WEBDAV_PARAMETER);
 125                 if (hasResetWebDAVParam) {
 126                         String newPassword = getService().resetWebDAVPassword(user.getId());
 127                         // Set the cookie again to send new value
 128                         Cookie cookie = new Cookie(Login.WEBDAV_COOKIE, newPassword);
 129                         cookie.setMaxAge(-1);
 130                         String domain = req.getRemoteHost();
 131                         String path = req.getContextPath();
 132                         cookie.setDomain(domain);
 133                         cookie.setPath(path);
 134                     resp.addCookie(cookie);
 135                 }
 136                 // Workaround for IE's broken caching behavior.
 137                         resp.setHeader("Expires", "-1");
 138                 } catch (ObjectNotFoundException e) {
 139                         resp.sendError(HttpServletResponse.SC_NOT_FOUND, e.getMessage());
 140                 } catch (RpcException e) {
 141                         logger.error("", e);
 142                         resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 143                 } catch (InsufficientPermissionsException e) {
 144                         resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, e.getMessage());
 145                 }
 146         }
 147
 148 }