001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.mail.util;
016    
017    import com.liferay.mail.model.Filter;
018    import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
019    import com.liferay.portal.kernel.log.Log;
020    import com.liferay.portal.kernel.log.LogFactoryUtil;
021    import com.liferay.portal.kernel.util.FileUtil;
022    import com.liferay.portal.kernel.util.ProcessUtil;
023    import com.liferay.portal.kernel.util.PropsKeys;
024    import com.liferay.portal.kernel.util.StringBundler;
025    import com.liferay.portal.kernel.util.StringUtil;
026    import com.liferay.portal.util.PropsUtil;
027    
028    import java.io.File;
029    import java.io.FileReader;
030    
031    import java.util.List;
032    
033    /**
034     * @author Brian Wing Shun Chan
035     */
036    public class SendmailHook implements Hook {
037    
038            public void addForward(
039                    long companyId, long userId, List<Filter> filters,
040                    List<String> emailAddresses, boolean leaveCopy) {
041    
042                    try {
043                            if (emailAddresses != null) {
044                                    String home = PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_HOME);
045    
046                                    File file = new File(home + "/" + userId + "/.forward");
047    
048                                    if (emailAddresses.size() > 0) {
049                                            StringBundler sb = new StringBundler(
050                                                    emailAddresses.size() * 2);
051    
052                                            for (int i = 0; i < emailAddresses.size(); i++) {
053                                                    String emailAddress = emailAddresses.get(i);
054    
055                                                    sb.append(emailAddress);
056                                                    sb.append("\n");
057                                            }
058    
059                                            FileUtil.write(file, sb.toString());
060                                    }
061                                    else {
062                                            file.delete();
063                                    }
064                            }
065                    }
066                    catch (Exception e) {
067                            _log.error(e, e);
068                    }
069            }
070    
071            public void addUser(
072                    long companyId, long userId, String password, String firstName,
073                    String middleName, String lastName, String emailAddress) {
074    
075                    // Get add user command
076    
077                    String addUserCmd =
078                            PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_ADD_USER);
079    
080                    // Replace userId
081    
082                    addUserCmd = StringUtil.replace(
083                            addUserCmd, "%1%", String.valueOf(userId));
084    
085                    Runtime rt = Runtime.getRuntime();
086    
087                    try {
088                            Process p = rt.exec(addUserCmd);
089    
090                            ProcessUtil.close(p);
091                    }
092                    catch (Exception e) {
093                            _log.error(e, e);
094                    }
095    
096                    updatePassword(companyId, userId, password);
097                    updateEmailAddress(companyId, userId, emailAddress);
098            }
099    
100            public void addVacationMessage(
101                    long companyId, long userId, String emailAddress,
102                    String vacationMessage) {
103            }
104    
105            public void deleteEmailAddress(long companyId, long userId) {
106                    updateEmailAddress(companyId, userId, "");
107            }
108    
109            public void deleteUser(long companyId, long userId) {
110                    deleteEmailAddress(companyId, userId);
111    
112                    // Get delete user command
113    
114                    String deleteUserCmd =
115                            PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_DELETE_USER);
116    
117                    // Replace userId
118    
119                    deleteUserCmd = StringUtil.replace(
120                            deleteUserCmd, "%1%", String.valueOf(userId));
121    
122                    Runtime rt = Runtime.getRuntime();
123    
124                    try {
125                            Process p = rt.exec(deleteUserCmd);
126    
127                            ProcessUtil.close(p);
128                    }
129                    catch (Exception e) {
130                            _log.error(e, e);
131                    }
132            }
133    
134            public void updateBlocked(
135                    long companyId, long userId, List<String> blocked) {
136    
137                    String home = PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_HOME);
138    
139                    File file = new File(home + "/" + userId + "/.procmailrc");
140    
141                    if ((blocked == null) || (blocked.size() == 0)) {
142                            file.delete();
143    
144                            return;
145                    }
146    
147                    StringBundler sb = new StringBundler(blocked.size() * 9 + 3);
148    
149                    sb.append("ORGMAIL /var/spool/mail/$LOGNAME\n");
150                    sb.append("MAILDIR $HOME/\n");
151                    sb.append("SENDMAIL /usr/smin/sendmail\n");
152    
153                    for (int i = 0; i < blocked.size(); i++) {
154                            String emailAddress = blocked.get(i);
155    
156                            sb.append("\n");
157                            sb.append(":0\n");
158                            sb.append("* ^From.*");
159                            sb.append(emailAddress);
160                            sb.append("\n");
161                            sb.append("{\n");
162                            sb.append(":0\n");
163                            sb.append("/dev/null\n");
164                            sb.append("}\n");
165                    }
166    
167                    try {
168                            FileUtil.write(file, sb.toString());
169                    }
170                    catch (Exception e) {
171                            _log.error(e, e);
172                    }
173            }
174    
175            public void updateEmailAddress(
176                    long companyId, long userId, String emailAddress) {
177    
178                    try {
179                            String virtusertable =
180                                    PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_VIRTUSERTABLE);
181    
182                            FileReader fileReader = new FileReader(virtusertable);
183                            UnsyncBufferedReader unsyncBufferedReader =
184                                    new UnsyncBufferedReader(fileReader);
185    
186                            StringBundler sb = new StringBundler();
187    
188                            for (String s = unsyncBufferedReader.readLine(); s != null;
189                                            s = unsyncBufferedReader.readLine()) {
190    
191                                    if (!s.endsWith(" " + userId)) {
192                                            sb.append(s);
193                                            sb.append('\n');
194                                    }
195                            }
196    
197                            if ((emailAddress != null) && (!emailAddress.equals(""))) {
198                                    sb.append(emailAddress);
199                                    sb.append(" ");
200                                    sb.append(userId);
201                                    sb.append('\n');
202                            }
203    
204                            unsyncBufferedReader.close();
205                            fileReader.close();
206    
207                            FileUtil.write(virtusertable, sb.toString());
208    
209                            String virtusertableRefreshCmd =
210                                    PropsUtil.get(
211                                            PropsKeys.MAIL_HOOK_SENDMAIL_VIRTUSERTABLE_REFRESH);
212    
213                            Runtime rt = Runtime.getRuntime();
214    
215                            Process p = rt.exec(virtusertableRefreshCmd);
216    
217                            ProcessUtil.close(p);
218                    }
219                    catch (Exception e) {
220                            _log.error(e, e);
221                    }
222            }
223    
224            public void updatePassword(long companyId, long userId, String password) {
225    
226                    // Get change password command
227    
228                    String changePasswordCmd =
229                            PropsUtil.get(PropsKeys.MAIL_HOOK_SENDMAIL_CHANGE_PASSWORD);
230    
231                    // Replace userId
232    
233                    changePasswordCmd = StringUtil.replace(
234                            changePasswordCmd, "%1%", String.valueOf(userId));
235    
236                    // Replace password
237    
238                    changePasswordCmd = StringUtil.replace(
239                            changePasswordCmd, "%2%", password);
240    
241                    Runtime rt = Runtime.getRuntime();
242    
243                    try {
244                            Process p = rt.exec(changePasswordCmd);
245    
246                            ProcessUtil.close(p);
247                    }
248                    catch (Exception e) {
249                            _log.error(e, e);
250                    }
251            }
252    
253            private static Log _log = LogFactoryUtil.getLog(SendmailHook.class);
254    
255    }