hackedFileHasher.inc in Hacked! 7.2
File
includes/hackedFileHasher.incView source
<?php
/**
* Base class for the different ways that files can be hashed.
*/
abstract class hackedFileHasher {
/**
* Returns a hash of the given filename.
*
* Ignores file line endings
*/
function hash($filename) {
if (file_exists($filename)) {
if ($hash = $this
->cache_get($filename)) {
return $hash;
}
else {
$hash = $this
->perform_hash($filename);
$this
->cache_set($filename, $hash);
return $hash;
}
}
}
function cache_set($filename, $hash) {
cache_set($this
->cache_key($filename), $hash, HACKED_CACHE_TABLE, strtotime('+7 days'));
}
function cache_get($filename) {
$cache = cache_get($this
->cache_key($filename), HACKED_CACHE_TABLE);
if (!empty($cache->data)) {
return $cache->data;
}
}
function cache_key($filename) {
$key = array(
'filename' => $filename,
'mtime' => filemtime($filename),
'class_name' => get_class($this),
);
return sha1(serialize($key));
}
/**
* Compute and return the hash of the given file.
*
* @param $filename
* A fully-qualified filename to hash.
*
* @return string
* The computed hash of the given file.
*/
abstract function perform_hash($filename);
/**
* Compute and return the lines of the given file.
*
* @param $filename
* A fully-qualified filename to return.
*
* @return array|bool
* The lines of the given filename or FALSE on failure.
*/
abstract function fetch_lines($filename);
}
Classes
Name![]() |
Description |
---|---|
hackedFileHasher | Base class for the different ways that files can be hashed. |