/**
* Create the backend driver.
*
* @return mixed The backend driver.
*/
public function createBackend()
{
$config = $this->getParams();
$client = new rcube_imap_generic();
if (isset($config['debug'])) {
if ($config['debug'] == 'STDOUT') {
$client->setDebug(true);
} else {
$this->_debug_log = fopen($config['debug'], 'a');
$client->setDebug(true, array($this, 'debugLog'));
}
}
$client->connect($config['host'], $config['username'], $config['password'], array('ssl_mode' => $config['secure'], 'port' => $config['port'], 'timeout' => 0, 'force_caps' => false));
return $client;
}
/**
* Connect to an IMAP server
*
* @param string $host Host to connect
* @param string $user Username for IMAP account
* @param string $pass Password for IMAP account
* @param integer $port Port to connect to
* @param string $use_ssl SSL schema (either ssl or tls) or null if plain connection
* @return boolean TRUE on success, FALSE on failure
* @access public
*/
function connect($host, $user, $pass, $port = 143, $use_ssl = null)
{
// check for OpenSSL support in PHP build
if ($use_ssl && extension_loaded('openssl')) {
$this->options['ssl_mode'] = $use_ssl == 'imaps' ? 'ssl' : $use_ssl;
} else {
if ($use_ssl) {
raise_error(array('code' => 403, 'type' => 'imap', 'file' => __FILE__, 'line' => __LINE__, 'message' => "OpenSSL not available"), true, false);
$port = 143;
}
}
$this->options['port'] = $port;
if ($this->options['debug']) {
$this->conn->setDebug(true, array($this, 'debug_handler'));
$this->options['ident'] = array('name' => 'Roundcube Webmail', 'version' => RCMAIL_VERSION, 'php' => PHP_VERSION, 'os' => PHP_OS, 'command' => $_SERVER['REQUEST_URI']);
}
$attempt = 0;
do {
$data = rcmail::get_instance()->plugins->exec_hook('imap_connect', array('host' => $host, 'user' => $user, 'attempt' => ++$attempt));
if (!empty($data['pass'])) {
$pass = $data['pass'];
}
$this->conn->connect($data['host'], $data['user'], $pass, $this->options);
} while (!$this->conn->connected() && $data['retry']);
$this->host = $data['host'];
$this->user = $data['user'];
$this->pass = $pass;
$this->port = $port;
$this->ssl = $use_ssl;
if ($this->conn->connected()) {
// get namespace and delimiter
$this->set_env();
return true;
} else {
if ($this->conn->error) {
if ($pass && $user) {
$message = sprintf("Login failed for %s from %s. %s", $user, rcmail_remote_ip(), $this->conn->error);
raise_error(array('code' => 403, 'type' => 'imap', 'file' => __FILE__, 'line' => __LINE__, 'message' => $message), true, false);
}
}
}
return false;
}
/**
* Activate/deactivate debug mode
*
* @param boolean $dbg True if IMAP conversation should be logged
*/
public function set_debug($dbg = true)
{
$this->options['debug'] = $dbg;
$this->conn->setDebug($dbg, array($this, 'debug_handler'));
}
