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Check for open_basedir before reading /proc

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Signed-off-by: Git'Fellow <12234510+solracsf@users.noreply.github.com>
This commit is contained in:
Git'Fellow 2023-04-27 16:38:32 +02:00
parent 9e7fc23bd0
commit 53b84732a3
1 changed files with 14 additions and 2 deletions
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16
lib/private/Preview/Generator.php
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@ -258,8 +258,20 @@ class Generator {
public static function getHardwareConcurrency(): int {
static $width;
if (!isset($width)) {
if (is_file("/proc/cpuinfo")) {
$width = substr_count(file_get_contents("/proc/cpuinfo"), "processor");
if (function_exists('ini_get')) {
$openBasedir = ini_get('open_basedir');
if ($openBasedir == '') {
$width = is_readable('/proc/cpuinfo') ? substr_count(file_get_contents('/proc/cpuinfo'), 'processor') : 0;
} else {
$openBasedirPaths = explode(':', $openBasedir);
foreach ($openBasedirPaths as $path) {
if (strpos($path, '/proc') === 0 || $path === '/proc/cpuinfo') {
$width = is_readable('/proc/cpuinfo') ? substr_count(file_get_contents('/proc/cpuinfo'), 'processor') : 0;
} else {
$width = 0;
}
}
}
} else {
$width = 0;
}