MediaWiki
REL1_22
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00001 <?php 00024 require_once __DIR__ . '/Maintenance.php'; 00025 00031 class PruneFileCache extends Maintenance { 00032 00033 protected $minSurviveTimestamp; 00034 00035 public function __construct() { 00036 parent::__construct(); 00037 $this->mDescription = "Build file cache for content pages"; 00038 $this->addOption( 'agedays', 'How many days old files must be in order to delete', true, true ); 00039 $this->addOption( 'subdir', 'Prune one $wgFileCacheDirectory subdirectory name', false, true ); 00040 } 00041 00042 public function execute() { 00043 global $wgUseFileCache, $wgFileCacheDirectory; 00044 00045 if ( !$wgUseFileCache ) { 00046 $this->error( "Nothing to do -- \$wgUseFileCache is disabled.", true ); 00047 } 00048 00049 $age = $this->getOption( 'agedays' ); 00050 if ( !ctype_digit( $age ) ) { 00051 $this->error( "Non-integer 'age' parameter given.", true ); 00052 } 00053 // Delete items with a TS older than this 00054 $this->minSurviveTimestamp = time() - ( 86400 * $age ); 00055 00056 $dir = $wgFileCacheDirectory; 00057 if ( !is_dir( $dir ) ) { 00058 $this->error( "Nothing to do -- \$wgFileCacheDirectory directory not found.", true ); 00059 } 00060 00061 $subDir = $this->getOption( 'subdir' ); 00062 if ( $subDir !== null ) { 00063 if ( !is_dir( "$dir/$subDir" ) ) { 00064 $this->error( "The specified subdirectory `$subDir` does not exist.", true ); 00065 } 00066 $this->output( "Pruning `$dir/$subDir` directory...\n" ); 00067 $this->prune_directory( "$dir/$subDir", 'report' ); 00068 $this->output( "Done pruning `$dir/$subDir` directory\n" ); 00069 } else { 00070 $this->output( "Pruning `$dir` directory...\n" ); 00071 // Note: don't prune things like .cdb files on the top level! 00072 $this->prune_directory( $dir, 'report' ); 00073 $this->output( "Done pruning `$dir` directory\n" ); 00074 } 00075 } 00076 00081 protected function prune_directory( $dir, $report = false ) { 00082 $tsNow = time(); 00083 $dirHandle = opendir( $dir ); 00084 while ( false !== ( $file = readdir( $dirHandle ) ) ) { 00085 // Skip ".", "..", and also any dirs or files like ".svn" or ".htaccess" 00086 if ( $file[0] != "." ) { 00087 $path = $dir . '/' . $file; // absolute 00088 if ( is_dir( $path ) ) { 00089 if ( $report === 'report' ) { 00090 $this->output( "Scanning `$path`...\n" ); 00091 } 00092 $this->prune_directory( $path ); 00093 } else { 00094 $mts = filemtime( $path ); 00095 // Sanity check the file extension against known cache types 00096 if ( $mts < $this->minSurviveTimestamp 00097 && preg_match( '/\.(?:html|cache)(?:\.gz)?$/', $file ) 00098 && unlink( $path ) ) 00099 { 00100 $daysOld = round( ( $tsNow - $mts ) / 86400, 2 ); 00101 $this->output( "Deleted `$path` [days=$daysOld]\n" ); 00102 } 00103 } 00104 } 00105 } 00106 closedir( $dirHandle ); 00107 } 00108 } 00109 00110 $maintClass = "PruneFileCache"; 00111 require_once RUN_MAINTENANCE_IF_MAIN;