我正在制作一个宣传页,用户可以为其形象树立一个ur。 比如,我如何用reg检查?
For security reasons, it is desirable to check the integrity of code before execution, avoiding tampered software by an attacker. So, my question is How to sign executable code and run only trusted ...
我正在制作一个宣传页,用户可以为其形象树立一个ur。 比如,我如何用reg检查?
你们可以使用欧洲空间法中心。 关于URL的验证,我使用了以下方法,但在那里有装载。 http://bugs.php.net/51192。
$url= image.png ;
if( preg_match("#((http|https|ftp)://(S*?.S*?))(s|;|)|]|[|{|}|,|"| |:|<|$|.s)#ie", $url) ){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_REFERER, http://yoursite.com );
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_exec($ch);
$mime = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
curl_close($ch);
print $mime;
}
你们可以 t。 任何档案都可以在任何地址上送达。 你们需要检查卢爱阵归还的内容类型,可能还要检查图像的形式。
Have you seen this?
您可使用<代码>FILTER_VALIDATE_URL。
第一次测试,与<条码>相符。
$url = filter_var($variable, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED);
Then you ll need to download the resource, and test locally if it s an image.
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