Haschek-Solutions/http2pic
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safer input

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This commit is contained in:
Christian Haschek 2015-09-28 11:36:29 +02:00
parent 28daf463d1
commit 9cc7c1704d
1 changed files with 2 additions and 2 deletions
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4
api.php
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@ -12,7 +12,7 @@ $url = rawurldecode($_GET['url']);
if(isBase64($url)) if(isBase64($url))
$url = base64_decode($url); $url = base64_decode($url);
if(!$timeout) if(!$timeout || !is_numeric($timeout) || ($timeout>30 || $timeout<1))
$timeout = 10; $timeout = 10;
if($viewport) if($viewport)
@ -52,7 +52,7 @@ $hash = $cache.'-'.preg_replace("/[^A-Za-z0-9 ]/", '', $url).'.'.$ft;
$file = __DIR__.'/cache/'.$hash; $file = __DIR__.'/cache/'.$hash;
if(!file_exists($file)) if(!file_exists($file))
shell_exec('timeout '.$timeout.' /usr/sbin/wkhtmltoimage '.$vp.$jsp.'-f '.$ft.' '.$url.' '.$file); shell_exec('timeout '.$timeout.' /usr/sbin/wkhtmltoimage '.escapeshellcmd($vp.$jsp.'-f '.$ft.' '.$url.' '.$file));
if(filesize($file)==0 && $onfail) if(filesize($file)==0 && $onfail)
@file_put_contents($file, file_get_contents($onfail)); @file_put_contents($file, file_get_contents($onfail));