name : module.graphic.svg.php <?php ///////////////////////////////////////////////////////////////// /// getID3() by James Heinrich <info@getid3.org> // // available at https://github.com/JamesHeinrich/getID3 // // or https://www.getid3.org // // or http://getid3.sourceforge.net // // see readme.txt for more details // ///////////////////////////////////////////////////////////////// // // // module.graphic.svg.php // // module for analyzing SVG Image files // // dependencies: NONE // // /// ///////////////////////////////////////////////////////////////// if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers exit; } class getid3_svg extends getid3_handler { /** * @return bool */ public function Analyze() { $info = &$this->getid3->info; $this->fseek($info['avdataoffset']); $SVGheader = $this->fread(4096); if (preg_match('#\<\?xml([^\>]+)\?\>#i', $SVGheader, $matches)) { $info['svg']['xml']['raw'] = $matches; } if (preg_match('#\<\!DOCTYPE([^\>]+)\>#i', $SVGheader, $matches)) { $info['svg']['doctype']['raw'] = $matches; } if (preg_match('#\<svg([^\>]+)\>#i', $SVGheader, $matches)) { $info['svg']['svg']['raw'] = $matches; } if (isset($info['svg']['svg']['raw'])) { $sections_to_fix = array('xml', 'doctype', 'svg'); foreach ($sections_to_fix as $section_to_fix) { if (!isset($info['svg'][$section_to_fix])) { continue; } $section_data = array(); while (preg_match('/ "([^"]+)"/', $info['svg'][$section_to_fix]['raw'][1], $matches)) { $section_data[] = $matches[1]; $info['svg'][$section_to_fix]['raw'][1] = str_replace($matches[0], '', $info['svg'][$section_to_fix]['raw'][1]); } while (preg_match('/([^\s]+)="([^"]+)"/', $info['svg'][$section_to_fix]['raw'][1], $matches)) { $section_data[] = $matches[0]; $info['svg'][$section_to_fix]['raw'][1] = str_replace($matches[0], '', $info['svg'][$section_to_fix]['raw'][1]); } $section_data = array_merge($section_data, preg_split('/[\s,]+/', $info['svg'][$section_to_fix]['raw'][1])); foreach ($section_data as $keyvaluepair) { $keyvaluepair = trim($keyvaluepair); if ($keyvaluepair) { $keyvalueexploded = explode('=', $keyvaluepair); $key = (isset($keyvalueexploded[0]) ? $keyvalueexploded[0] : ''); $value = (isset($keyvalueexploded[1]) ? $keyvalueexploded[1] : ''); $info['svg'][$section_to_fix]['sections'][$key] = trim($value, '"'); } } } $info['fileformat'] = 'svg'; $info['video']['dataformat'] = 'svg'; $info['video']['lossless'] = true; //$info['video']['bits_per_sample'] = 24; $info['video']['pixel_aspect_ratio'] = (float) 1; if (!empty($info['svg']['svg']['sections']['width'])) { $info['svg']['width'] = intval($info['svg']['svg']['sections']['width']); } if (!empty($info['svg']['svg']['sections']['height'])) { $info['svg']['height'] = intval($info['svg']['svg']['sections']['height']); } if (!empty($info['svg']['svg']['sections']['version'])) { $info['svg']['version'] = $info['svg']['svg']['sections']['version']; } if (!isset($info['svg']['version']) && isset($info['svg']['doctype']['sections'])) { foreach ($info['svg']['doctype']['sections'] as $key => $value) { if (preg_match('#//W3C//DTD SVG ([0-9\.]+)//#i', $key, $matches)) { $info['svg']['version'] = $matches[1]; break; } } } if (!empty($info['svg']['width'])) { $info['video']['resolution_x'] = $info['svg']['width']; } if (!empty($info['svg']['height'])) { $info['video']['resolution_y'] = $info['svg']['height']; } return true; } $this->error('Did not find expected <svg> tag'); return false; } }