/usr/share/php/getid3/module.graphic.svg.php is in php-getid3 1.9.12+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or http://www.getid3.org //
// also https://github.com/JamesHeinrich/getID3 //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.graphic.svg.php //
// module for analyzing SVG Image files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
class getid3_svg extends getid3_handler
{
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;
}
$info['error'][] = 'Did not find expected <svg> tag';
return false;
}
}
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