Pastoid

	protected function get_file( $file_name )
	{
		if( $this->is_local_file( $file_name ) ) {
			return $this->get_local( $file_name );
		}
		else if( ini_get( 'allow_url_fopen' ) ) {
			return $this->get_with_streams( $file_name );
		}
		else if( function_exists( 'curl_init' ) && ! ( ini_get( 'safe_mode' ) && ini_get( 'open_basedir' ) ) ) {
			return $this->get_with_curl( $file_name );
		}
	}
 
	protected function is_local_file( $file_name = '' )
	{
		$parsed = InputFilter::parse_url( $file_name );
		$parsed_home = InputFilter::parse_url( Site::get_url( 'habari' ) );
		return $parsed['host'] == $parsed_home['host'];
	}
 
	protected function get_local( $file_name = '' )
	{
		$parsed = InputFilter::parse_url( $file_name );
		return HABARI_PATH . $parsed['path'];
	}
 
	protected function get_with_streams( $file_name = '' )
	{
		$tmp = tempnam( '/user/cache', 'RR' );
		$temph = fopen( $tmp, 'wb' );
		$fp = fopen( $file_name, 'rb' );
		stream_copy_to_stream( $fp, $temph );
		fclose( $temph );
		fclose( $fp );
		return $tmp;
	}
 
	protected function get_with_curl( $file_name = '' )
	{
		$headers = array();
		$timeout = 180;
		$method = 'GET';
		$tmp = tempnam( '/user/cache', 'RR' );
		$headers[] = "User-Agent: Habari";
		$ch = curl_init();
 
		curl_setopt( $ch, CURLOPT_URL, $file_name ); // The URL.
		curl_setopt( $ch, CURLOPT_MAXREDIRS, 5 ); // Maximum number of redirections to follow.
		curl_setopt( $ch, CURLOPT_CRLF, true ); // Convert UNIX newlines to \r\n.
		curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true ); // Follow 302's and the like.
		curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, $timeout );
		curl_setopt( $ch, CURLOPT_TIMEOUT, $timeout );
		curl_setopt( $ch, CURLOPT_HTTPHEADER, $headers ); // headers to send
 
		$th = fopen( $tmp, 'wb' );
		curl_setopt( $ch, CURLOPT_FILE, $th );
 
		$success = curl_exec( $ch );
		fclose( $th );
		if( ! $success || curl_errno($ch) != 0 || curl_getinfo( $ch, CURLINFO_HTTP_CODE ) !== 200 ) {
			curl_close( $ch );
			unlink( $tmp );
			return FALSE;
		}
		curl_close( $ch );
		return $tmp;
	}