Sftp::connect

public function connect()
{
	if(!extension_loaded("ssh2"))
		throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_SSH2_EXT"));

	$this->connection = @ssh2_connect($this->host, $this->port);

	if(!$this->connection)
	{
		throw new SystemException(
			Loc::getMessage(
				"TRADING_PLATFORM_SFTP_ERROR_CONNECT",
				array(
					"#HOST#" => $this->host,
					"#PORT#" => $this->port
				)
			)
		);
	}

	if($this->fingerprint != "")
	{
		$fingerprint = ssh2_fingerprint($this->connection, SSH2_FINGERPRINT_MD5 | SSH2_FINGERPRINT_HEX);

		if ($fingerprint != $this->fingerprint)
		{
			throw new SystemException(Loc::getMessage(
				"TRADING_PLATFORM_SFTP_ERROR_FINGERPRINT",
				array(
					"#HOST#" => $this->host,
					"#FINGERPRINT1#" => $fingerprint,
					"#FINGERPRINT2#" => $this->fingerprint,
				)
			));
		}
	}

	if(!@ssh2_auth_password($this->connection, $this->login, $this->pass))
		throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_PASS"));

	$this->sftp = ssh2_sftp($this->connection);

	if(!$this->sftp)
		throw new SystemException(Loc::getMessage("TRADING_PLATFORM_SFTP_ERROR_INIT"));

	return true;
}