1   /**
2    * Copyright (c) 2000-2009 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.mail.util;
24  
25  import com.liferay.mail.model.Filter;
26  import com.liferay.portal.kernel.log.Log;
27  import com.liferay.portal.kernel.log.LogFactoryUtil;
28  import com.liferay.portal.kernel.util.FileUtil;
29  import com.liferay.portal.kernel.util.ProcessUtil;
30  import com.liferay.portal.kernel.util.StringUtil;
31  import com.liferay.portal.util.PropsKeys;
32  import com.liferay.portal.util.PropsUtil;
33  
34  import java.io.BufferedReader;
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   */
46  public class SendmailHook implements Hook {
47  
48      public void addForward(
49          long companyId, long userId, List<Filter> filters,
50          List<String> emailAddresses, boolean leaveCopy) {
51  
52          try {
53              if (emailAddresses != null) {
54                  String home = PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_HOME);
55  
56                  File file = new File(home + "/" + userId + "/.forward");
57  
58                  if (emailAddresses.size() > 0) {
59                      StringBuilder sb = new StringBuilder();
60  
61                      for (int i = 0; i < emailAddresses.size(); i++) {
62                          String emailAddress = emailAddresses.get(i);
63  
64                          sb.append(emailAddress);
65                          sb.append("\n");
66                      }
67  
68                      FileUtil.write(file, sb.toString());
69                  }
70                  else {
71                      file.delete();
72                  }
73              }
74          }
75          catch (Exception e) {
76              _log.error(e, e);
77          }
78      }
79  
80      public void addUser(
81          long companyId, long userId, String password, String firstName,
82          String middleName, String lastName, String emailAddress) {
83  
84          // Get add user command
85  
86          String addUserCmd =
87              PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_ADD_USER);
88  
89          // Replace userId
90  
91          addUserCmd = StringUtil.replace(
92              addUserCmd, "%1%", String.valueOf(userId));
93  
94          Runtime rt = Runtime.getRuntime();
95  
96          try {
97              Process p = rt.exec(addUserCmd);
98  
99              ProcessUtil.close(p);
100         }
101         catch (Exception e) {
102             _log.error(e, e);
103         }
104 
105         updatePassword(companyId, userId, password);
106         updateEmailAddress(companyId, userId, emailAddress);
107     }
108 
109     public void addVacationMessage(
110         long companyId, long userId, String emailAddress,
111         String vacationMessage) {
112     }
113 
114     public void deleteEmailAddress(long companyId, long userId) {
115         updateEmailAddress(companyId, userId, "");
116     }
117 
118     public void deleteUser(long companyId, long userId) {
119         deleteEmailAddress(companyId, userId);
120 
121         // Get delete user command
122 
123         String deleteUserCmd =
124             PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_DELETE_USER);
125 
126         // Replace userId
127 
128         deleteUserCmd = StringUtil.replace(
129             deleteUserCmd, "%1%", String.valueOf(userId));
130 
131         Runtime rt = Runtime.getRuntime();
132 
133         try {
134             Process p = rt.exec(deleteUserCmd);
135 
136             ProcessUtil.close(p);
137         }
138         catch (Exception e) {
139             _log.error(e, e);
140         }
141     }
142 
143     public void updateBlocked(
144         long companyId, long userId, List<String> blocked) {
145 
146         String home = PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_HOME);
147 
148         File file = new File(home + "/" + userId + "/.procmailrc");
149 
150         if ((blocked == null) || (blocked.size() == 0)) {
151             file.delete();
152 
153             return;
154         }
155 
156         StringBuilder sb = new StringBuilder();
157 
158         sb.append("ORGMAIL /var/spool/mail/$LOGNAME\n");
159         sb.append("MAILDIR $HOME/\n");
160         sb.append("SENDMAIL /usr/smin/sendmail\n");
161 
162         for (int i = 0; i < blocked.size(); i++) {
163             String emailAddress = blocked.get(i);
164 
165             sb.append("\n");
166             sb.append(":0\n");
167             sb.append("* ^From.*");
168             sb.append(emailAddress);
169             sb.append("\n");
170             sb.append("{\n");
171             sb.append(":0\n");
172             sb.append("/dev/null\n");
173             sb.append("}\n");
174         }
175 
176         try {
177             FileUtil.write(file, sb.toString());
178         }
179         catch (Exception e) {
180             _log.error(e, e);
181         }
182     }
183 
184     public void updateEmailAddress(
185         long companyId, long userId, String emailAddress) {
186 
187         try {
188             String virtusertable =
189                 PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_VIRTUSERTABLE);
190 
191             FileReader fr = new FileReader(virtusertable);
192             BufferedReader br = new BufferedReader(fr);
193 
194             StringBuilder sb = new StringBuilder();
195 
196             for (String s = br.readLine(); s != null; s = br.readLine()) {
197                 if (!s.endsWith(" " + userId)) {
198                     sb.append(s);
199                     sb.append('\n');
200                 }
201             }
202 
203             if ((emailAddress != null) && (!emailAddress.equals(""))) {
204                 sb.append(emailAddress);
205                 sb.append(" ");
206                 sb.append(userId);
207                 sb.append('\n');
208             }
209 
210             br.close();
211             fr.close();
212 
213             FileUtil.write(virtusertable, sb.toString());
214 
215             String virtusertableRefreshCmd =
216                 PropsUtil.get(
217                     PropsKeys.MAIL_HOOK_SENDMAIL_VIRTUSERTABLE_REFRESH);
218 
219             Runtime rt = Runtime.getRuntime();
220 
221             Process p = rt.exec(virtusertableRefreshCmd);
222 
223             ProcessUtil.close(p);
224         }
225         catch (Exception e) {
226             _log.error(e, e);
227         }
228     }
229 
230     public void updatePassword(long companyId, long userId, String password) {
231 
232         // Get change password command
233 
234         String changePasswordCmd =
235             PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_CHANGE_PASSWORD);
236 
237         // Replace userId
238 
239         changePasswordCmd = StringUtil.replace(
240             changePasswordCmd, "%1%", String.valueOf(userId));
241 
242         // Replace password
243 
244         changePasswordCmd = StringUtil.replace(
245             changePasswordCmd, "%2%", password);
246 
247         Runtime rt = Runtime.getRuntime();
248 
249         try {
250             Process p = rt.exec(changePasswordCmd);
251 
252             ProcessUtil.close(p);
253         }
254         catch (Exception e) {
255             _log.error(e, e);
256         }
257     }
258 
259     private static Log _log = LogFactoryUtil.getLog(SendmailHook.class);
260 
261 }