diff options
Diffstat (limited to 'includes/getid3/module.graphic.svg.php')
| -rw-r--r-- | includes/getid3/module.graphic.svg.php | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/includes/getid3/module.graphic.svg.php b/includes/getid3/module.graphic.svg.php new file mode 100644 index 0000000..8bb577b --- /dev/null +++ b/includes/getid3/module.graphic.svg.php @@ -0,0 +1,106 @@ +<?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; + } + +} |