<?
//NEVER EDIT THIS FILE!//
//Why is this file here instead of just patching bits of code? Sometimes we need to change something that effects in a file that is often edited by users - such as inc.seo.php, which would make it difficult for people to update. This is messy, but no other way around it.

if($_REQUEST['mode'] == 'my-uploads') { 
	$_REQUEST['mode'] = 'my_uploads';
	$_GET['mode'] = 'my_uploads';
}

if($_REQUEST['sortby'] == 'longest') { 
	$_REQUEST['sortby'] = 'length'; 
	$_GET['sortby'] = 'length'; 
}

/**
 *  file_crc - Return crc32 value of a file
 *  
 *  @param [in] $file File path
 *  @return crc32 value
 *  
 */
function file_crc($file) {
    $file_string = file_get_contents($file);
    $crc = crc32($file_string);
    return sprintf("%u", $crc);
}

/**
 *  _mogrifyImageThumbnail - Runs image through mogrify comand line
 *  
 *  @param [in] $input Input File
 *  @param [in] $thumbwidth Thumbnail Width in pixels
 *  @param [in] $thumbheight Thumbnail height in pixels
 *  @return void
 *  
 */
function _mogrifyImageThumbnail($input, $thumbwidth, $thumbheight) {
    global $mogrify_path;
	$input = escapeshellcmd($input);
	shell_exec("$mogrify_path -adaptive-resize ".($thumbwidth)."x".($thumbheight)."^ -gravity Center -extent ".$thumbwidth."x".$thumbheight." \"$input\"");
}

if(stripos($_SERVER['REQUEST_URI'],'includes/ajax.login.php') !== false) {
	header('HTTP/1.0 403 Forbidden');
	exit(); 
}
if(stripos($_SERVER['REQUEST_URI'],'includes/ajax.signup.php') !== false) {
	header('HTTP/1.0 403 Forbidden');
	exit(); 
}

if($_GET['q']) { 
	$_GET['q'] = htmlspecialchars($_GET['q'], ENT_QUOTES, "UTF-8");
}

if($_GET['option']) { 
	$_GET['option'] = htmlentities($_GET['option']); 
}