<?php
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/**
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* DB based User-to-Email and Email-to-User lookup
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*
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* Add it to the plugins list in config.inc.php and set
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* SQL queries to resolve usernames, e-mail addresses and hostnames from the database
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* %u will be replaced with the current username for login.
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* %m will be replaced with the current e-mail address for login.
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*
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* Queries should select the user's e-mail address, username or the imap hostname as first column
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* The email query could optionally select identity data columns in specified order:
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* name, organization, reply-to, bcc, signature, html_signature
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*
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* $config['virtuser_query'] = array('email' => '', 'user' => '', 'host' => '', 'alias' => '');
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*
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* The email query can return more than one record to create more identities.
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* This requires identities_level option to be set to value less than 2.
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*
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* By default Roundcube database is used. To use different database (or host)
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* you can specify DSN string in $config['virtuser_query_dsn'] option.
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*
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* @version @package_version@
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* @author Aleksander Machniak <alec@alec.pl>
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* @author Steffen Vogel
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* @author Tim Gerundt
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* @license GNU GPLv3+
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*/
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class virtuser_query extends rcube_plugin
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{
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private $config;
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private $app;
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private $db;
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function init()
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{
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$this->app = rcmail::get_instance();
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$this->config = $this->app->config->get('virtuser_query');
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if (!empty($this->config)) {
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if (is_string($this->config)) {
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$this->config = array('email' => $this->config);
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}
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if ($this->config['email']) {
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$this->add_hook('user2email', array($this, 'user2email'));
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}
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if ($this->config['user']) {
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$this->add_hook('email2user', array($this, 'email2user'));
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}
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if ($this->config['host']) {
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$this->add_hook('authenticate', array($this, 'user2host'));
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}
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if ($this->config['alias']) {
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$this->add_hook('authenticate', array($this, 'alias2user'));
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}
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}
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}
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/**
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* User > Email
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*/
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function user2email($p)
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{
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$dbh = $this->get_dbh();
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$sql_result = $dbh->query(preg_replace('/%u/', $dbh->escape($p['user']), $this->config['email']));
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while ($sql_arr = $dbh->fetch_array($sql_result)) {
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if (strpos($sql_arr[0], '@')) {
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if ($p['extended'] && count($sql_arr) > 1) {
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$result[] = array(
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'email' => rcube_utils::idn_to_ascii($sql_arr[0]),
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'name' => (string) $sql_arr[1],
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'organization' => (string) $sql_arr[2],
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'reply-to' => (string) rcube_utils::idn_to_ascii($sql_arr[3]),
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'bcc' => (string) rcube_utils::idn_to_ascii($sql_arr[4]),
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'signature' => (string) $sql_arr[5],
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'html_signature' => (int) $sql_arr[6],
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);
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}
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else {
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$result[] = $sql_arr[0];
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}
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if ($p['first']) {
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break;
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}
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}
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}
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$p['email'] = $result;
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return $p;
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}
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/**
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* EMail > User
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*/
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function email2user($p)
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{
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$dbh = $this->get_dbh();
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$sql_result = $dbh->query(preg_replace('/%m/', $dbh->escape($p['email']), $this->config['user']));
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if ($sql_arr = $dbh->fetch_array($sql_result)) {
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$p['user'] = $sql_arr[0];
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}
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return $p;
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}
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/**
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* User > Host
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*/
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function user2host($p)
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{
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$dbh = $this->get_dbh();
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$sql_result = $dbh->query(preg_replace('/%u/', $dbh->escape($p['user']), $this->config['host']));
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if ($sql_arr = $dbh->fetch_array($sql_result)) {
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$p['host'] = $sql_arr[0];
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}
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return $p;
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}
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/**
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* Alias > User
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*/
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function alias2user($p)
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{
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$dbh = $this->get_dbh();
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$sql_result = $dbh->query(preg_replace('/%u/', $dbh->escape($p['user']), $this->config['alias']));
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if ($sql_arr = $dbh->fetch_array($sql_result)) {
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$p['user'] = $sql_arr[0];
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}
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return $p;
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}
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/**
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* Initialize database handler
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*/
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function get_dbh()
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{
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if (!$this->db) {
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if ($dsn = $this->app->config->get('virtuser_query_dsn')) {
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// connect to the virtuser database
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$this->db = rcube_db::factory($dsn);
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$this->db->set_debug((bool)$this->app->config->get('sql_debug'));
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$this->db->db_connect('r'); // connect in read mode
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}
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else {
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$this->db = $this->app->get_dbh();
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}
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}
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return $this->db;
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}
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}
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