!empty(self::$_transaction_id) ? self::$_transaction_id : '', 'content' => self::_convertImages($html) )), array( 'headers' => array( 'Content-type: application/json', 'Accept: application/json' ), 'binary_transfer' => true )); if (!empty($transaction_id) && empty(self::$_transaction_id)) { self::$_transaction_id = json_decode($transaction_id); } return !empty($transaction_id); } /** * Renders PDF document by transaction ID * * @param string $filename filename to save PDF or name of attachment to download * @param boolean $save saves to file if true, outputs if not * @param array $params params to post along with request * @return mixed true if document saved, false on failure or outputs document */ public static function batchRender($filename = '', $save = false, $params = array()) { $default_params = array( 'transaction_id' => self::$_transaction_id, 'page_size' => 'A4' ); $params = array_merge($default_params, $params); $content = Http::post(self::_action('/pdf/batch/render'), json_encode($params), array( 'headers' => array( 'Content-type: application/json', 'Accept: application/pdf' ), 'binary_transfer' => true )); self::$_transaction_id = null; if (!empty($content)) { return self::_output($content, $filename, $save); } return false; } /** * Render PDF document from HTML code * @param string $html HTML code * @param string $filename filename to save PDF or name of attachment to download * @param boolean $save saves to file if true, outputs if not * @param array $params params to post along with request * @return mixed true if document saved, false on failure or outputs document */ public static function render($html, $filename = '', $save = false, $params = array()) { if (is_array($html)) { $html = implode("

", $html); } if (self::_isLocalIP(gethostbyname($_SERVER['HTTP_HOST']))) { $html = self::_convertImages($html); } $default_params = array( 'content' => $html, 'page_size' => 'A4' ); $params = array_merge($default_params, $params); $content = Http::post(self::_action('/pdf/render'), json_encode($params), array( 'headers' => array( 'Content-type: application/json', 'Accept: application/pdf' ), 'binary_transfer' => true )); if (!empty($content)) { return self::_output($content, $filename, $save); } return false; } /** * Generates service URL * @param string $action action * @return string formed URL */ private static function _action($action) { return self::$_url . $action; } /** * Saves PDF document or outputs it * @param string $content PDF document * @param string $filename filename to save PDF or name of attachment to download * @param boolean $save saves to file if true, outputs if not * @return mixed true if document saved, false on failure or outputs document */ private static function _output($content, $filename = '', $save = false) { if (!empty($filename) && strpos($filename, '.pdf') === false) { $filename .= '.pdf'; } if (!empty($filename) && $save == true) { return fn_put_contents($filename, $content); } else { if (!empty($filename)) { $filename = fn_basename($filename); header("Content-disposition: attachment; filename=\"$filename\""); } header('Content-type: application/pdf'); fn_echo($content); exit; } return false; } /** * Converts images links to image:data attribute * @param string $html html code * @return string html code with converted links */ private static function _convertImages($html) { $http_location = Registry::get('config.http_location'); $https_location = Registry::get('config.https_location'); $http_path = Registry::get('config.http_path'); $https_path = Registry::get('config.https_path'); $files = array(); if (preg_match_all("/(?<=\ssrc=|\sbackground=)('|\")(.*)\\1/SsUi", $html, $matches)) { $files = fn_array_merge($files, $matches[2], false); } if (preg_match_all("/(?<=\sstyle=)('|\").*url$('|\"|\\\\\\1)(.*)\\2$.*\\1/SsUi", $html, $matches)) { $files = fn_array_merge($files, $matches[3], false); } if (empty($files)) { return $html; } else { $files = array_unique($files); foreach ($files as $k => $_path) { $path = str_replace('&', '&', $_path); $real_path = ''; // Replace url path with filesystem if this url is NOT dynamic if (strpos($path, '?') === false && strpos($path, '&') === false) { if (($i = strpos($path, $http_location)) !== false) { $real_path = substr_replace($path, Registry::get('config.dir.root'), $i, strlen($http_location)); } elseif (($i = strpos($path, $https_location)) !== false) { $real_path = substr_replace($path, Registry::get('config.dir.root'), $i, strlen($https_location)); } elseif (!empty($http_path) && ($i = strpos($path, $http_path)) !== false) { $real_path = substr_replace($path, Registry::get('config.dir.root'), $i, strlen($http_path)); } elseif (!empty($https_path) && ($i = strpos($path, $https_path)) !== false) { $real_path = substr_replace($path, Registry::get('config.dir.root'), $i, strlen($https_path)); } } if (empty($real_path)) { $real_path = (strpos($path, '://') === false) ? $http_location .'/'. $path : $path; } list($width, $height, $mime_type) = fn_get_image_size($real_path); if (!empty($width)) { $content = fn_get_contents($real_path); $html = preg_replace("/(['\"])" . str_replace("/", "\/", preg_quote($_path)) . "(['\"])/Ss", "\\1data:$mime_type;base64," . base64_encode($content) . "\\2", $html); } } } return $html; } /** * Checks if server IP address is local * @param string $ip IP address * @return boolean true if IP is local, false - if public */ private static function _isLocalIP($ip) { $ranges = array( '10' => array( 'min' => ip2long('10.0.0.0'), 'max' => ip2long('10.255.255.255') ), '192' => array( 'min' => ip2long('192.168.0.0'), 'max' => ip2long('192.168.255.255') ), '127' => array( 'min' => ip2long('127.0.0.0'), 'max' => ip2long('127.255.255.255') ), '172' => array( 'min' => ip2long('172.16.0.0'), 'max' => ip2long('172.31.255.255') ), ); $ip = ip2long($ip); foreach ($ranges as $range) { if ($ip >= $range['min'] && $ip <= $range['max']) { return true; } } return false; } }