Exemplo n.º 1
0
 /**
  * load and parse a CSS file
  *
  * @param string $file
  * @param int $origin
  */
 function load_css_file($file, $origin = self::ORIG_AUTHOR)
 {
     if ($origin) {
         $this->_current_origin = $origin;
     }
     // Prevent circular references
     if (isset($this->_loaded_files[$file])) {
         return;
     }
     $this->_loaded_files[$file] = true;
     if (strpos($file, "data:") === 0) {
         $parsed = Helpers::parse_data_uri($file);
         $css = $parsed["data"];
     } else {
         $parsed_url = Helpers::explode_url($file);
         list($this->_protocol, $this->_base_host, $this->_base_path, $filename) = $parsed_url;
         // Fix submitted by Nick Oostveen for aliased directory support:
         if ($this->_protocol == "") {
             $file = $this->_base_path . $filename;
         } else {
             $file = Helpers::build_url($this->_protocol, $this->_base_host, $this->_base_path, $filename);
         }
         list($css, $http_response_header) = Helpers::getFileContent($file, $this->_dompdf->get_http_context());
         $good_mime_type = true;
         // See http://the-stickman.com/web-development/php/getting-http-response-headers-when-using-file_get_contents/
         if (isset($http_response_header) && !$this->_dompdf->get_quirksmode()) {
             foreach ($http_response_header as $_header) {
                 if (preg_match("@Content-Type:\\s*([\\w/]+)@i", $_header, $matches) && $matches[1] !== "text/css") {
                     $good_mime_type = false;
                 }
             }
         }
         if (!$good_mime_type || $css == "") {
             Helpers::record_warnings(E_USER_WARNING, "Unable to load css file {$file}", __FILE__, __LINE__);
             return;
         }
     }
     if (substr($file, 0, 4) == "http") {
         $this->_dompdf->setHttpContext(stream_context_create(['http' => ['method' => "GET", 'header' => "Referer: " . $file]]));
     }
     $this->_parse_css($css);
 }