113 lines
3.6 KiB
PHP
113 lines
3.6 KiB
PHP
<?php
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/**
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* Prune file cache for pages, objects, resources, etc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script that prunes file cache for pages, objects, resources, etc.
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*
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* @ingroup Maintenance
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*/
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class PruneFileCache extends Maintenance {
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protected $minSurviveTimestamp;
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Delete file cache files older than "agedays"' );
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$this->addOption( 'agedays', 'How many days old files must be in order to delete', true, true );
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$this->addOption( 'subdir', 'Prune one $wgFileCacheDirectory subdirectory name', false, true );
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}
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public function execute() {
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global $wgUseFileCache, $wgFileCacheDirectory;
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if ( !$wgUseFileCache ) {
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$this->fatalError( "Nothing to do -- \$wgUseFileCache is disabled." );
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}
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$age = $this->getOption( 'agedays' );
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if ( !ctype_digit( $age ) ) {
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$this->fatalError( "Non-integer 'age' parameter given." );
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}
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// Delete items with a TS older than this
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$this->minSurviveTimestamp = time() - ( 86400 * $age );
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$dir = $wgFileCacheDirectory;
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if ( !is_dir( $dir ) ) {
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$this->fatalError( "Nothing to do -- \$wgFileCacheDirectory directory not found." );
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}
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$subDir = $this->getOption( 'subdir' );
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if ( $subDir !== null ) {
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if ( !is_dir( "$dir/$subDir" ) ) {
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$this->fatalError( "The specified subdirectory `$subDir` does not exist." );
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}
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$this->output( "Pruning `$dir/$subDir` directory...\n" );
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$this->prune_directory( "$dir/$subDir", 'report' );
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$this->output( "Done pruning `$dir/$subDir` directory\n" );
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} else {
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$this->output( "Pruning `$dir` directory...\n" );
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// Note: don't prune things like .cdb files on the top level!
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$this->prune_directory( $dir, 'report' );
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$this->output( "Done pruning `$dir` directory\n" );
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}
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}
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/**
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* @param string $dir
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* @param string|bool $report Use 'report' to report the directories being scanned
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*/
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protected function prune_directory( $dir, $report = false ) {
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$tsNow = time();
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$dirHandle = opendir( $dir );
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while ( ( $file = readdir( $dirHandle ) ) !== false ) {
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// Skip ".", "..", and also any dirs or files like ".svn" or ".htaccess"
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if ( $file[0] != "." ) {
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// absolute
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$path = $dir . '/' . $file;
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if ( is_dir( $path ) ) {
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if ( $report === 'report' ) {
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$this->output( "Scanning `$path`...\n" );
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}
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$this->prune_directory( $path );
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} else {
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$mts = filemtime( $path );
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// Sanity check the file extension against known cache types
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if ( $mts < $this->minSurviveTimestamp
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&& preg_match( '/\.(?:html|cache)(?:\.gz)?$/', $file )
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&& unlink( $path )
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) {
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$daysOld = round( ( $tsNow - $mts ) / 86400, 2 );
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$this->output( "Deleted `$path` [days=$daysOld]\n" );
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}
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}
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}
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}
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closedir( $dirHandle );
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}
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}
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$maintClass = PruneFileCache::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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