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Upload script


Tom10

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if($_SERVER['REQUEST_METHOD'] == "POST")
{
	$dir = "./";
	$file = $dir . basename($_FILES['userfile']['name']);
	$ext = pathinfo($file, PATHINFO_EXTENSION);
	$filename = $_FILES['userfile']['name'];

	$allowed = array('jpg', 'png', 'gif', 'bmp');

	if($_FILES['userfile']['size'] > 10000)
	{
		die("File is too large!");
	}
	if($ext != $allowed)
	{
		die("Invalid Image File. Possible hack attempt!");
	}
	if(move_uploaded_file($_FILES['userfile']['tmp_name'], $dir))
	{
		echo "File: ".$_FILES['userfile']['name']." has been uploaded to ".$dir."! ";
	} else
	{
		die("Error: ".$_FILES['userfile']['error']." ");
	}
}

This part is the problem

if($ext != $allowed)
	{
		die("Invalid Image File. Possible hack attempt!");
	}
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