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1 <?php
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2
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3 /**
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4 * DB 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 * SQL queries to resolve usernames, e-mail addresses and hostnames from the database
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8 * %u will be replaced with the current username for login.
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9 * %m will be replaced with the current e-mail address for login.
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10 *
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11 * Queries should select the user's e-mail address, username or the imap hostname as first column
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12 * The email query could optionally select identity data columns in specified order:
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13 * name, organization, reply-to, bcc, signature, html_signature
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14 *
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15 * $config['virtuser_query'] = array('email' => '', 'user' => '', 'host' => '', 'alias' => '');
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16 *
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17 * The email query can return more than one record to create more identities.
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18 * This requires identities_level option to be set to value less than 2.
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19 *
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20 * By default Roundcube database is used. To use different database (or host)
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21 * you can specify DSN string in $config['virtuser_query_dsn'] option.
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22 *
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23 * @author Aleksander Machniak <alec@alec.pl>
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24 * @author Steffen Vogel
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25 * @author Tim Gerundt
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26 * @license GNU GPLv3+
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27 */
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28 class virtuser_query extends rcube_plugin
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29 {
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30 private $config;
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31 private $app;
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32 private $db;
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33
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34 function init()
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35 {
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36 $this->app = rcmail::get_instance();
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37 $this->config = $this->app->config->get('virtuser_query');
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38
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39 if (!empty($this->config)) {
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40 if (is_string($this->config)) {
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41 $this->config = array('email' => $this->config);
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42 }
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43
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44 if ($this->config['email']) {
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45 $this->add_hook('user2email', array($this, 'user2email'));
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46 }
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47 if ($this->config['user']) {
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48 $this->add_hook('email2user', array($this, 'email2user'));
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49 }
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50 if ($this->config['host']) {
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51 $this->add_hook('authenticate', array($this, 'user2host'));
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52 }
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53 if ($this->config['alias']) {
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54 $this->add_hook('authenticate', array($this, 'alias2user'));
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55 }
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56 }
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57 }
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58
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59 /**
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60 * User > Email
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61 */
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62 function user2email($p)
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63 {
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64 $dbh = $this->get_dbh();
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65
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66 $sql_result = $dbh->query(preg_replace('/%u/', $dbh->escape($p['user']), $this->config['email']));
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67
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68 while ($sql_arr = $dbh->fetch_array($sql_result)) {
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69 if (strpos($sql_arr[0], '@')) {
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70 if ($p['extended'] && count($sql_arr) > 1) {
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71 $result[] = array(
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72 'email' => rcube_utils::idn_to_ascii($sql_arr[0]),
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73 'name' => (string) $sql_arr[1],
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74 'organization' => (string) $sql_arr[2],
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75 'reply-to' => (string) rcube_utils::idn_to_ascii($sql_arr[3]),
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76 'bcc' => (string) rcube_utils::idn_to_ascii($sql_arr[4]),
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77 'signature' => (string) $sql_arr[5],
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78 'html_signature' => (int) $sql_arr[6],
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79 );
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80 }
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81 else {
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82 $result[] = $sql_arr[0];
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83 }
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84
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85 if ($p['first']) {
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86 break;
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87 }
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88 }
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89 }
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90
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91 $p['email'] = $result;
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92
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93 return $p;
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94 }
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95
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96 /**
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97 * EMail > User
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98 */
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99 function email2user($p)
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100 {
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101 $dbh = $this->get_dbh();
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102
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103 $sql_result = $dbh->query(preg_replace('/%m/', $dbh->escape($p['email']), $this->config['user']));
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104
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105 if ($sql_arr = $dbh->fetch_array($sql_result)) {
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106 $p['user'] = $sql_arr[0];
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107 }
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108
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109 return $p;
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110 }
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111
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112 /**
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113 * User > Host
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114 */
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115 function user2host($p)
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116 {
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117 $dbh = $this->get_dbh();
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118
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119 $sql_result = $dbh->query(preg_replace('/%u/', $dbh->escape($p['user']), $this->config['host']));
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120
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121 if ($sql_arr = $dbh->fetch_array($sql_result)) {
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122 $p['host'] = $sql_arr[0];
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123 }
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124
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125 return $p;
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126 }
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127
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128 /**
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129 * Alias > User
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130 */
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131 function alias2user($p)
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132 {
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133 $dbh = $this->get_dbh();
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134
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135 $sql_result = $dbh->query(preg_replace('/%u/', $dbh->escape($p['user']), $this->config['alias']));
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136
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137 if ($sql_arr = $dbh->fetch_array($sql_result)) {
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138 $p['user'] = $sql_arr[0];
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139 }
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140
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141 return $p;
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142 }
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143
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144 /**
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145 * Initialize database handler
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146 */
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147 function get_dbh()
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148 {
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149 if (!$this->db) {
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150 if ($dsn = $this->app->config->get('virtuser_query_dsn')) {
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151 // connect to the virtuser database
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152 $this->db = rcube_db::factory($dsn);
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153 $this->db->set_debug((bool)$this->app->config->get('sql_debug'));
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154 $this->db->db_connect('r'); // connect in read mode
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155 }
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156 else {
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157 $this->db = $this->app->get_dbh();
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158 }
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159 }
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160
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161 return $this->db;
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162 }
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163
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164 }
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