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1 /*
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2 Copyright (c) 2008 Franklin Schmidt <fschmidt@gmail.com>
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3
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4 Permission is hereby granted, free of charge, to any person obtaining a copy
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5 of this software and associated documentation files (the "Software"), to deal
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6 in the Software without restriction, including without limitation the rights
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7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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8 copies of the Software, and to permit persons to whom the Software is
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9 furnished to do so, subject to the following conditions:
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10
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11 The above copyright notice and this permission notice shall be included in
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12 all copies or substantial portions of the Software.
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13
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14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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20 THE SOFTWARE.
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21 */
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22
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23 package fschmidt.util.mail.javamail;
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24
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25 import java.util.NoSuchElementException;
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26 import java.util.Properties;
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27
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28 import javax.mail.Flags;
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29 import javax.mail.Folder;
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30 import javax.mail.MessageRemovedException;
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31 import javax.mail.MessagingException;
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32 import javax.mail.Session;
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33 import javax.mail.Store;
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34 import javax.mail.internet.MimeMessage;
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35
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36 import fschmidt.util.mail.Mail;
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37 import fschmidt.util.mail.MailException;
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38 import fschmidt.util.mail.MailIterator;
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39 import fschmidt.util.mail.Pop3Server;
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40
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41
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42 final class Pop3ServerImpl implements Pop3Server {
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43 private final Properties props = new Properties();
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44 private Session session = null;
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45 private final String host;
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46 private final String username;
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47 private final String password;
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48 private boolean leaveOnServer = false;
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49 private int maxMailCount = Integer.MAX_VALUE;
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50 private Store store = null;
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51
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52 Pop3ServerImpl(String machineName,String username,String password) {
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53 this.host = machineName;
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54 this.username = username;
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55 this.password = password;
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56 }
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57
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58 public void setLeaveOnServer(boolean b) {
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59 this.leaveOnServer = b;
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60 }
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61
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62 public void setMailLimit(int maxMailCount) {
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63 this.maxMailCount = maxMailCount;
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64 }
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65
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66 public void useSsl() {
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67 props.setProperty( "mail.pop3.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
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68 props.setProperty( "mail.pop3.port", "995");
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69 props.setProperty( "mail.pop3.socketFactory.port", "995");
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70 }
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71
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72 public void setDebug(boolean b) {
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73 props.setProperty("mail.debug", Boolean.toString(b));
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74 }
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75
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76 private synchronized Session getSession() {
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77 if( session==null ) {
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78 session = Session.getInstance(props);
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79 }
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80 return session;
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81 }
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82
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83 public synchronized MailIterator getMail() throws MailException {
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84 if( store != null ) {
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85 store = null;
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86 throw new MailException("previous MailIterator not closed");
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87 }
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88 try {
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89 store = getSession().getStore("pop3");
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90 store.connect(host,username,password);
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91 final Folder folder = store.getFolder("INBOX");
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92 folder.open(Folder.READ_WRITE);
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93 final int nMsgs = Math.min(maxMailCount,folder.getMessageCount());
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94 return new MailIterator() {
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95 int i = 1;
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96 Mail nextMail = null;
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97
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98 public boolean hasNext() throws MailException {
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99 //return i <= nMsgs;
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100 while (nextMail==null && i<=nMsgs) {
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101 try {
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102 MimeMessage msg = (MimeMessage)folder.getMessage(i++);
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103 if ( msg.isExpunged() || msg.isSet(Flags.Flag.DELETED) ) {
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104 continue;
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105 }
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106 if ( !leaveOnServer ) {
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107 msg.setFlag(Flags.Flag.DELETED,true);
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108 }
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109 nextMail = new MailImpl(msg);
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110 } catch (MessageRemovedException e) {
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111 // continue
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112 } catch (MessagingException e) {
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113 throw MailImpl.e(toString(),e);
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114 }
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115 }
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116 return nextMail!=null;
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117 }
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118
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119 public Mail next() throws MailException, NoSuchElementException {
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120 try {
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121 if (nextMail==null && !hasNext())
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122 throw new NoSuchElementException();
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123 return nextMail;
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124 } finally {
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125 nextMail=null;
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126 }
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127 }
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128
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129 public void close() throws MailException {
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130 try {
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131 if( folder.isOpen() )
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132 folder.close(true);
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133 store.close();
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134 } catch(MessagingException e) {
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135 throw MailImpl.e(toString(),e);
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136 } finally {
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137 store = null;
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138 }
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139 }
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140 };
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141 } catch(MessagingException e) {
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142 cleanup();
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143 throw MailImpl.e(toString(),e);
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144 }
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145 }
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146
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147 private void cleanup() {
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148 if( store != null ) {
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149 try {
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150 store.close();
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151 } catch(MessagingException e2) {}
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152 store = null;
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153 }
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154 }
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155
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156 public String getUsername() {
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157 return username;
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158 }
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159
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160 public String toString() {
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161 return "Pop3ServerImpl("+host+","+username+","+password+")";
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162 }
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163
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164 }
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