1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights 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.mail.util;
24  
25  import com.liferay.mail.model.Filter;
26  import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
27  import com.liferay.portal.kernel.log.Log;
28  import com.liferay.portal.kernel.log.LogFactoryUtil;
29  import com.liferay.portal.kernel.util.FileUtil;
30  import com.liferay.portal.kernel.util.ProcessUtil;
31  import com.liferay.portal.kernel.util.PropsKeys;
32  import com.liferay.portal.kernel.util.StringUtil;
33  import com.liferay.portal.util.PropsUtil;
34  
35  import java.io.File;
36  import java.io.FileReader;
37  
38  import java.util.List;
39  
40  /**
41   * <a href="SendmailHook.java.html"><b><i>View Source</i></b></a>
42   *
43   * @author Brian Wing Shun Chan
44   */
45  public class SendmailHook implements Hook {
46  
47      public void addForward(
48          long companyId, long userId, List<Filter> filters,
49          List<String> emailAddresses, boolean leaveCopy) {
50  
51          try {
52              if (emailAddresses != null) {
53                  String home = PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_HOME);
54  
55                  File file = new File(home + "/" + userId + "/.forward");
56  
57                  if (emailAddresses.size() > 0) {
58                      StringBuilder sb = new StringBuilder();
59  
60                      for (int i = 0; i < emailAddresses.size(); i++) {
61                          String emailAddress = emailAddresses.get(i);
62  
63                          sb.append(emailAddress);
64                          sb.append("\n");
65                      }
66  
67                      FileUtil.write(file, sb.toString());
68                  }
69                  else {
70                      file.delete();
71                  }
72              }
73          }
74          catch (Exception e) {
75              _log.error(e, e);
76          }
77      }
78  
79      public void addUser(
80          long companyId, long userId, String password, String firstName,
81          String middleName, String lastName, String emailAddress) {
82  
83          // Get add user command
84  
85          String addUserCmd =
86              PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_ADD_USER);
87  
88          // Replace userId
89  
90          addUserCmd = StringUtil.replace(
91              addUserCmd, "%1%", String.valueOf(userId));
92  
93          Runtime rt = Runtime.getRuntime();
94  
95          try {
96              Process p = rt.exec(addUserCmd);
97  
98              ProcessUtil.close(p);
99          }
100         catch (Exception e) {
101             _log.error(e, e);
102         }
103 
104         updatePassword(companyId, userId, password);
105         updateEmailAddress(companyId, userId, emailAddress);
106     }
107 
108     public void addVacationMessage(
109         long companyId, long userId, String emailAddress,
110         String vacationMessage) {
111     }
112 
113     public void deleteEmailAddress(long companyId, long userId) {
114         updateEmailAddress(companyId, userId, "");
115     }
116 
117     public void deleteUser(long companyId, long userId) {
118         deleteEmailAddress(companyId, userId);
119 
120         // Get delete user command
121 
122         String deleteUserCmd =
123             PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_DELETE_USER);
124 
125         // Replace userId
126 
127         deleteUserCmd = StringUtil.replace(
128             deleteUserCmd, "%1%", String.valueOf(userId));
129 
130         Runtime rt = Runtime.getRuntime();
131 
132         try {
133             Process p = rt.exec(deleteUserCmd);
134 
135             ProcessUtil.close(p);
136         }
137         catch (Exception e) {
138             _log.error(e, e);
139         }
140     }
141 
142     public void updateBlocked(
143         long companyId, long userId, List<String> blocked) {
144 
145         String home = PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_HOME);
146 
147         File file = new File(home + "/" + userId + "/.procmailrc");
148 
149         if ((blocked == null) || (blocked.size() == 0)) {
150             file.delete();
151 
152             return;
153         }
154 
155         StringBuilder sb = new StringBuilder();
156 
157         sb.append("ORGMAIL /var/spool/mail/$LOGNAME\n");
158         sb.append("MAILDIR $HOME/\n");
159         sb.append("SENDMAIL /usr/smin/sendmail\n");
160 
161         for (int i = 0; i < blocked.size(); i++) {
162             String emailAddress = blocked.get(i);
163 
164             sb.append("\n");
165             sb.append(":0\n");
166             sb.append("* ^From.*");
167             sb.append(emailAddress);
168             sb.append("\n");
169             sb.append("{\n");
170             sb.append(":0\n");
171             sb.append("/dev/null\n");
172             sb.append("}\n");
173         }
174 
175         try {
176             FileUtil.write(file, sb.toString());
177         }
178         catch (Exception e) {
179             _log.error(e, e);
180         }
181     }
182 
183     public void updateEmailAddress(
184         long companyId, long userId, String emailAddress) {
185 
186         try {
187             String virtusertable =
188                 PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_VIRTUSERTABLE);
189 
190             FileReader fileReader = new FileReader(virtusertable);
191             UnsyncBufferedReader unsyncBufferedReader =
192                 new UnsyncBufferedReader(fileReader);
193 
194             StringBuilder sb = new StringBuilder();
195 
196             for (String s = unsyncBufferedReader.readLine(); s != null;
197                     s = unsyncBufferedReader.readLine()) {
198 
199                 if (!s.endsWith(" " + userId)) {
200                     sb.append(s);
201                     sb.append('\n');
202                 }
203             }
204 
205             if ((emailAddress != null) && (!emailAddress.equals(""))) {
206                 sb.append(emailAddress);
207                 sb.append(" ");
208                 sb.append(userId);
209                 sb.append('\n');
210             }
211 
212             unsyncBufferedReader.close();
213             fileReader.close();
214 
215             FileUtil.write(virtusertable, sb.toString());
216 
217             String virtusertableRefreshCmd =
218                 PropsUtil.get(
219                     PropsKeys.MAIL_HOOK_SENDMAIL_VIRTUSERTABLE_REFRESH);
220 
221             Runtime rt = Runtime.getRuntime();
222 
223             Process p = rt.exec(virtusertableRefreshCmd);
224 
225             ProcessUtil.close(p);
226         }
227         catch (Exception e) {
228             _log.error(e, e);
229         }
230     }
231 
232     public void updatePassword(long companyId, long userId, String password) {
233 
234         // Get change password command
235 
236         String changePasswordCmd =
237             PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_CHANGE_PASSWORD);
238 
239         // Replace userId
240 
241         changePasswordCmd = StringUtil.replace(
242             changePasswordCmd, "%1%", String.valueOf(userId));
243 
244         // Replace password
245 
246         changePasswordCmd = StringUtil.replace(
247             changePasswordCmd, "%2%", password);
248 
249         Runtime rt = Runtime.getRuntime();
250 
251         try {
252             Process p = rt.exec(changePasswordCmd);
253 
254             ProcessUtil.close(p);
255         }
256         catch (Exception e) {
257             _log.error(e, e);
258         }
259     }
260 
261     private static Log _log = LogFactoryUtil.getLog(SendmailHook.class);
262 
263 }