1   /**
2    * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.servlet;
24  
25  import com.liferay.portal.NoSuchGroupException;
26  import com.liferay.portal.PortalException;
27  import com.liferay.portal.SystemException;
28  import com.liferay.portal.kernel.util.ContentTypes;
29  import com.liferay.portal.kernel.util.GetterUtil;
30  import com.liferay.portal.kernel.util.Http;
31  import com.liferay.portal.kernel.util.ParamUtil;
32  import com.liferay.portal.kernel.util.StringPool;
33  import com.liferay.portal.kernel.util.StringUtil;
34  import com.liferay.portal.kernel.util.Validator;
35  import com.liferay.portal.model.Group;
36  import com.liferay.portal.model.impl.GroupImpl;
37  import com.liferay.portal.plugin.PluginPackageUtil;
38  import com.liferay.portal.service.GroupLocalServiceUtil;
39  import com.liferay.portal.util.PortalInstances;
40  import com.liferay.portal.util.PortalUtil;
41  import com.liferay.portlet.softwarecatalog.service.SCProductEntryLocalServiceUtil;
42  import com.liferay.util.servlet.ServletResponseUtil;
43  
44  import java.io.IOException;
45  
46  import java.text.SimpleDateFormat;
47  
48  import java.util.Calendar;
49  import java.util.Date;
50  import java.util.Enumeration;
51  import java.util.Properties;
52  
53  import javax.servlet.ServletException;
54  import javax.servlet.http.HttpServlet;
55  import javax.servlet.http.HttpServletRequest;
56  import javax.servlet.http.HttpServletResponse;
57  
58  import org.apache.commons.logging.Log;
59  import org.apache.commons.logging.LogFactory;
60  
61  /**
62   * <a href="SoftwareCatalogServlet.java.html"><b><i>View Source</i></b></a>
63   *
64   * @author Jorge Ferrer
65   *
66   */
67  public class SoftwareCatalogServlet extends HttpServlet {
68  
69      public void service(HttpServletRequest req, HttpServletResponse res)
70          throws IOException, ServletException {
71  
72          try {
73              long groupId = getGroupId(req);
74              String version = getVersion(req);
75              String baseImageURL = getBaseImageURL(req);
76              Date oldestDate = getOldestDate(req);
77              int maxNumOfVersions = ParamUtil.getInteger(
78                  req, "maxNumOfVersions");
79              Properties repoSettings = getRepoSettings(req);
80  
81              if (_log.isDebugEnabled()) {
82                  _log.debug("Group ID " + groupId);
83                  _log.debug("Base image URL " + baseImageURL);
84                  _log.debug("Oldtest date " + oldestDate);
85                  _log.debug("Maximum number of versions " + maxNumOfVersions);
86              }
87  
88              String repositoryXML =
89                  SCProductEntryLocalServiceUtil.getRepositoryXML(
90                      groupId, version, baseImageURL, oldestDate,
91                      maxNumOfVersions, repoSettings);
92  
93              String fileName = null;
94              byte[] byteArray = repositoryXML.getBytes(StringPool.UTF8);
95  
96              ServletResponseUtil.sendFile(
97                  res, fileName, byteArray, ContentTypes.TEXT_XML_UTF8);
98          }
99          catch (NoSuchGroupException nsge) {
100             PortalUtil.sendError(
101                 HttpServletResponse.SC_NOT_FOUND, nsge, req, res);
102         }
103         catch (Exception e) {
104             if (_log.isWarnEnabled()) {
105                 _log.warn(e, e);
106             }
107 
108             PortalUtil.sendError(
109                 HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e, req, res);
110         }
111     }
112 
113     protected String getBaseImageURL(HttpServletRequest req) {
114         String host = PortalUtil.getHost(req);
115 
116         String portalURL = PortalUtil.getPortalURL(
117             host, req.getServerPort(), req.isSecure());
118 
119         String pathImage = PortalUtil.getPathImage();
120 
121         if (pathImage.startsWith(Http.HTTP_WITH_SLASH) ||
122             pathImage.startsWith(Http.HTTPS_WITH_SLASH)) {
123 
124             return pathImage + "/software_catalog";
125         }
126         else {
127             return portalURL + pathImage + "/software_catalog";
128         }
129     }
130 
131     protected long getGroupId(HttpServletRequest req)
132         throws SystemException, PortalException {
133 
134         long groupId = ParamUtil.getLong(req, "groupId");
135 
136         if (groupId <= 0) {
137             String path = GetterUtil.getString(req.getPathInfo());
138 
139             path = StringUtil.replace(
140                 path, StringPool.DOUBLE_SLASH, StringPool.SLASH);
141 
142             if (Validator.isNotNull(path)) {
143                 int pos = path.indexOf(StringPool.SLASH, 1);
144 
145                 if (pos == -1) {
146                     pos = path.length();
147                 }
148 
149                 groupId = GetterUtil.getLong(path.substring(1, pos));
150             }
151         }
152 
153         if (groupId <= 0) {
154             long companyId = PortalInstances.getCompanyId(req);
155 
156             Group guestGroup = GroupLocalServiceUtil.getGroup(
157                 companyId, GroupImpl.GUEST);
158 
159             groupId = guestGroup.getGroupId();
160         }
161 
162         return groupId;
163     }
164 
165     protected Date getOldestDate(HttpServletRequest req) {
166         Date oldestDate = null;
167 
168         oldestDate = ParamUtil.getDate(
169             req, "oldestDate", new SimpleDateFormat("yyyy.MM.dd"), null);
170 
171         if (oldestDate == null) {
172             int daysOld = ParamUtil.getInteger(req, "maxAge", -1);
173 
174             if (daysOld != -1) {
175                 Calendar cal = Calendar.getInstance();
176 
177                 cal.add(Calendar.DATE, (0 - daysOld));
178 
179                 oldestDate = cal.getTime();
180             }
181         }
182 
183         return oldestDate;
184     }
185 
186     protected Properties getRepoSettings(HttpServletRequest req) {
187         Properties repoSettings = new Properties();
188 
189         String prefix = "setting_";
190 
191         Enumeration<String> enu = req.getParameterNames();
192 
193         while (enu.hasMoreElements()) {
194             String name = enu.nextElement();
195 
196             if (name.startsWith(prefix)) {
197                 String settingName = name.substring(
198                     prefix.length(), name.length());
199 
200                 String value = ParamUtil.getString(req, name);
201 
202                 if (Validator.isNotNull(value)) {
203                     repoSettings.setProperty(settingName , value);
204                 }
205             }
206         }
207 
208         return repoSettings;
209     }
210 
211     protected String getVersion(HttpServletRequest req)
212         throws PortalException, SystemException {
213 
214         String version = ParamUtil.getString(req, "version");
215 
216         String prefix =
217             PluginPackageUtil.REPOSITORY_XML_FILENAME_PREFIX + StringPool.DASH;
218         String extension =
219             StringPool.PERIOD +
220                 PluginPackageUtil.REPOSITORY_XML_FILENAME_EXTENSION;
221 
222         if (Validator.isNull(version)) {
223             String path = GetterUtil.getString(req.getPathInfo());
224 
225             if (Validator.isNotNull(path)) {
226                 int x = path.indexOf(prefix);
227 
228                 if (x != -1) {
229                     version = path.substring(
230                         x + prefix.length(), path.indexOf(extension, x));
231                 }
232             }
233         }
234 
235         if (_log.isDebugEnabled()) {
236             if (Validator.isNull(version)) {
237                 _log.debug("Serving repository for all versions");
238             }
239             else {
240                 _log.debug("Serving repository for version " + version);
241             }
242         }
243 
244         return version;
245     }
246 
247     private static Log _log = LogFactory.getLog(SoftwareCatalogServlet.class);
248 
249 }