public function __construct($login, $password, $security = SECURITY_NONE, $port = 5222, $host = '')
{
// Can we use Jabber at all?
// Note: Maybe replace with SimpleXML in the future
if (!extension_loaded('xml')) {
$this->log('Error: No XML functions available, Jabber functions can not operate.');
return false;
}
//bug in php 5.2.1 renders this stuff more or less useless.
if (version_compare(phpversion(), '5.2.1', '>=') && version_compare(phpversion(), '5.2.3RC2', '<') && $security != SECURITY_NONE) {
$this->log('Error: PHP ' . phpversion() . ' + SSL is incompatible with jabber, see http://bugs.php.net/41236');
return false;
}
if (!Jabber::check_jid($login)) {
$this->log('Error: Jabber ID is not valid: ' . $login);
return false;
}
// Extract data from user@server.org
list($username, $server) = explode('@', $login);
// Decide whether or not to use encryption
if ($security == SECURITY_SSL && !Jabber::can_use_ssl()) {
$this->log('Warning: SSL encryption is not supported (openssl required). Falling back to no encryption.');
$security = SECURITY_NONE;
}
if ($security == SECURITY_TLS && !Jabber::can_use_tls()) {
$this->log('Warning: TLS encryption is not supported (openssl and stream_socket_enable_crypto() required). Falling back to no encryption.');
$security = SECURITY_NONE;
}
$this->session['security'] = $security;
$this->server = $server;
$this->user = $username;
$this->password = $password;
if ($this->open_socket($host != '' ? $host : $server, $port, $security == SECURITY_SSL)) {
$this->send("<?xml version='1.0' encoding='UTF-8' ?" . ">\n");
$this->send("<stream:stream to='{$server}' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>\n");
} else {
return false;
}
// Now we listen what the server has to say...and give appropriate responses
$this->response($this->listen());
}
