<?php

$md5_list = file_get_contents("http://194.28.89.141/list.stat.md5");
$md5_hash = list_to_array($md5_list);

exec("find /var/www/mikbill/stat -type f -exec md5sum {} \;", $stat_array);
diff_files($stat_array, $md5_hash);

$md5_list = file_get_contents("http://194.28.89.141/list.admin.md5");
$md5_hash = list_to_array($md5_list);

exec('find /var/www/mikbill/admin -type f -exec md5sum {} \;', $admin_array);
diff_files($admin_array, $md5_hash);

function list_to_array($md5_list)
{
	$md5_hash = array();
	$md5_array = explode("\n", $md5_list);

	foreach ($md5_array as $md5) {
		$hash = explode("  ", $md5);

		if (isset($hash[1])) {
			$md5_hash[$hash[1]] = $hash[0];
		} else {
			if ($md5 != "") {
				var_dump($md5, $hash);
			}
		}
	}

	return $md5_hash;
}

function diff_files($list, $md5_hash)
{
	$logs = array();
	foreach ($list as $file) {
		$tmp = explode("  ", $file);

		$name = $tmp[1];
		$hash = $tmp[0];

		if (isset($md5_hash[$name])) {
			if ($hash != $md5_hash[$name]) {
				$logs["hash"][] = "Wrong hash $name ($hash) must be {$md5_hash[$name]}";
			}
		} else {
			
			if( filesize($name) > 1000000 ) {
				$logs["default"][] = "Non standart file $name";
				continue;
			}

			$mime_type = mime_content_type($name);
			switch($mime_type) {
				case "image/jpg":
				case "image/jpeg":
					$img = imagecreatefromjpeg($name);
					imageinterlace($img, 0);
					break;

				case "image/png":
					$img = imagecreatefrompng($name);
					imageinterlace($img, 0);
					break;

				case "image/gif":
					if(function_exists("imagecreatefromgif")) { 
						$img = imagecreatefromgif($name);
						imageinterlace($img, 0);
					} else {
						$img = false;
					}
					break;	

				case "application/x-gzip":
					break;
					
				case "text/html":
				case "text/plain":
				case "text/x-php":
					if( strpos($name, '.html') !== false ) {
						if( strpos(file_get_contents("$name"), "<?") !== false ) {
							$logs["php"][] = "WARNING! HTML contain PHP code $name";
						}
					} elseif( strpos($name, '.htm') !== false ) {
						if( strpos(file_get_contents("$name"), "<?") !== false ) {
							$logs["php"][] = "WARNING! HTML contain PHP code $name";
						}
					} elseif( strpos($name, '.tpl') !== false ) {
						if( strpos(file_get_contents("$name"), "<?") !== false ) {
							$logs["php"][] = "WARNING! HTML contain PHP code $name";
						}
					} elseif( strpos($name, '.log') !== false ) {
						if( strpos(file_get_contents("$name"), "<?") !== false ) {
							$logs["php"][] = "WARNING! FILE contain PHP code $name";
						}
					} elseif( strpos($name, '.old') !== false ) {
						if( strpos(file_get_contents("$name"), "<?") !== false ) {
							$logs["php"][] = "WARNING! FILE contain PHP code $name";
						}
					} elseif( strpos($name, '.sql') !== false ) {
						if( strpos(file_get_contents("$name"), "<?") !== false ) {
							$logs["php"][] = "WARNING! FILE contain PHP code $name";
						}	
					} elseif( strpos($name, '.php') === false ) {
						if( strpos(file_get_contents("$name"), "<?") !== false ) {
							$logs["php"][] = "WARNING! FILE contain PHP code $name";
						} else {
							$logs["default"][] = "Non standart file $name";
						}
					} else {
							$logs["default"][] = "Non standart file $name";
					}
					break;

				default:
					$logs["default"][] = "Non standart file $name";
			}

			if( isset($img) && !$img ) {
				$logs["img"][] = "BAD IMAGE FILE $name";
			}
		}
	}
	
	foreach( $logs as $type => $data ) {
		echo "logtype: {$type} \n";
		
		foreach( $data as $line ) {
			echo "{$line} \n";
		}
		
		echo "\n";
	}
}