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1 <?php
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2
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3 /**
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4 * File based User-to-Email and Email-to-User lookup
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5 *
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6 * Add it to the plugins list in config.inc.php and set
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7 * path to a virtuser table file to resolve user names and e-mail
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8 * addresses
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9 * $rcmail['virtuser_file'] = '';
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10 *
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11 * @license GNU GPLv3+
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12 * @author Aleksander Machniak
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13 */
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14 class virtuser_file extends rcube_plugin
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15 {
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16 private $file;
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17 private $app;
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18
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19 function init()
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20 {
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21 $this->app = rcmail::get_instance();
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22 $this->file = $this->app->config->get('virtuser_file');
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23
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24 if ($this->file) {
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25 $this->add_hook('user2email', array($this, 'user2email'));
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26 $this->add_hook('email2user', array($this, 'email2user'));
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27 }
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28 }
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29
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30 /**
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31 * User > Email
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32 */
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33 function user2email($p)
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34 {
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35 $r = $this->findinvirtual('/\s' . preg_quote($p['user'], '/') . '\s*$/');
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36 $result = array();
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37
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38 for ($i=0; $i<count($r); $i++) {
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39 $arr = preg_split('/\s+/', $r[$i]);
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40
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41 if (count($arr) > 0 && strpos($arr[0], '@')) {
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42 $result[] = rcube_utils::idn_to_ascii(trim(str_replace('\\@', '@', $arr[0])));
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43
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44 if ($p['first']) {
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45 $p['email'] = $result[0];
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46 break;
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47 }
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48 }
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49 }
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50
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51 $p['email'] = empty($result) ? NULL : $result;
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52
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53 return $p;
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54 }
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55
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56 /**
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57 * Email > User
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58 */
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59 function email2user($p)
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60 {
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61 $r = $this->findinvirtual('/^' . preg_quote($p['email'], '/') . '\s/');
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62
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63 for ($i=0; $i<count($r); $i++) {
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64 $arr = preg_split('/\s+/', trim($r[$i]));
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65
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66 if (count($arr) > 0) {
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67 $p['user'] = trim($arr[count($arr)-1]);
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68 break;
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69 }
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70 }
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71
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72 return $p;
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73 }
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74
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75 /**
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76 * Find matches of the given pattern in virtuser file
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77 *
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78 * @param string Regular expression to search for
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79 * @return array Matching entries
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80 */
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81 private function findinvirtual($pattern)
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82 {
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83 $result = array();
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84 $virtual = null;
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85
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86 if ($this->file)
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87 $virtual = file($this->file);
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88
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89 if (empty($virtual))
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90 return $result;
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91
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92 // check each line for matches
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93 foreach ($virtual as $line) {
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94 $line = trim($line);
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95 if (empty($line) || $line[0]=='#')
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96 continue;
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97
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98 if (preg_match($pattern, $line))
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99 $result[] = $line;
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100 }
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101
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102 return $result;
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103 }
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104 }
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