system_integrity_clean_cache_dir.php

<?php
error_reporting(E_ALL);
if ((php_sapi_name() != 'cli')) {
    trigger_error("You can only run this script from the command line\n", E_USER_ERROR);
}

$SYSTEM_ROOT = (isset($_SERVER['argv'][1])) ? $_SERVER['argv'][1] : '';
if (empty($SYSTEM_ROOT)) {
    echo "ERROR: You need to supply the path to the System Root as the first argument\n";
    exit();
}

if (!is_dir($SYSTEM_ROOT) || !is_readable($SYSTEM_ROOT.'/core/include/init.inc')) {
    echo "ERROR: Path provided doesn't point to a Matrix installation's System Root. Please provide correct path and try again.\n";
    exit();
}

require_once $SYSTEM_ROOT.'/core/include/init.inc';

echo "\nWarning: Please make sure you have the correct permission to remove cache files.\n";
echo 'SQ_CACHE_PATH is \''.SQ_CACHE_PATH."'\n\n";
// ask for the root password for the system
echo 'Enter the root password for "'.SQ_CONF_SYSTEM_NAME.'": ';
system('stty -echo');
$root_password = rtrim(fgets(STDIN, 4094));
system('stty echo');

// check that the correct root password was entered
$root_user = & $GLOBALS['SQ_SYSTEM']->am->getSystemAsset('root_user');
if (!$root_user->comparePassword($root_password)) {
    echo "ERROR: The root password entered was incorrect\n";
    exit();
}

// log in as root
if (!$GLOBALS['SQ_SYSTEM']->setCurrentUser($root_user)) {
    echo "ERROR: Failed login in as root user\n";
    exit();
}

$cache_path_len = strlen(SQ_CACHE_PATH) + 1;

// get all unique file paths in the sq_cache table
$cache_manager =& $GLOBALS['SQ_SYSTEM']->am->getSystemAsset('cache_manager');
$valid_files = $cache_manager->getAllFilePaths('col');

// get all the cache directory names
exec('find '.SQ_CACHE_PATH."  -type d -name '[0-9]*'", $current_dirs);
$count = 0;
$total = 0;
// loop through each directory, to make it less memory intensive
foreach ($current_dirs as $dir) {

    $current_files = Array();
    // remove the file if there isnt a corresponding entry in the sq_cache table
    exec("find $dir -type f -name '[a-z0-9]*'", $current_files);
    foreach ($current_files as $file) {
        $file_name = substr($file, $cache_path_len);
        if (!in_array($file_name, $valid_files)) {
            $total++;
            printFileName($file_name);
            $status = @unlink(SQ_CACHE_PATH.'/'.$file_name);
            $ok = ($status) ? 'OK' : 'FAILED';
            printStatus($ok);
            if ($status) $count++;
        }
    }

}

echo "\nSummary: $count/$total cache file(s) removed.\n";
if ($count != $total) {
    $problematic = $total - $count;
    trigger_error("$problematic file(s) cannot be removed, please check file permission.", E_USER_WARNING);
}


function printFileName($file_name)
{
    $str = "\tRemoving ".$file_name;
    printf ('%s%'.(50 - strlen($str)).'s', $str,'');

}//end printFileName()


function printStatus($status)
{
    echo "[ $status ]\n";

}//end printStatus()


?>