maintenance/refreshFileHeaders.php

   1 <?php
   2 /**
   3  * Refresh file headers from metadata.
   4  *
   5  * Usage: php refreshFileHeaders.php
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @author Aaron Schulz
  24  * @ingroup Maintenance
  25  */
  26
  27 require_once __DIR__ . '/Maintenance.php';
  28
  29 /**
  30  * Maintenance script to refresh file headers from metadata
  31  *
  32  * @ingroup Maintenance
  33  */
  34 class RefreshFileHeaders extends Maintenance {
  35         function __construct() {
  36                 parent::__construct();
  37                 $this->mDescription = 'Script to update file HTTP headers';
  38                 $this->addOption( 'verbose', 'Output information about each file.', false, false, 'v' );
  39                 $this->addOption( 'start', 'Name of file to start with', false, true );
  40                 $this->addOption( 'end', 'Name of file to end with', false, true );
  41                 $this->setBatchSize( 200 );
  42         }
  43
  44         public function execute() {
  45                 $repo = RepoGroup::singleton()->getLocalRepo();
  46                 $start = str_replace( ' ', '_', $this->getOption( 'start', '' ) ); // page on img_name
  47                 $end = str_replace( ' ', '_', $this->getOption( 'end', '' ) ); // page on img_name
  48
  49                 $count = 0;
  50                 $dbr = $this->getDB( DB_SLAVE );
  51                 do {
  52                         $conds = array( "img_name > {$dbr->addQuotes( $start )}" );
  53                         if ( strlen( $end ) ) {
  54                                 $conds[] = "img_name <= {$dbr->addQuotes( $end )}";
  55                         }
  56                         $res = $dbr->select( 'image', '*', $conds,
  57                                 __METHOD__, array( 'LIMIT' => $this->mBatchSize, 'ORDER BY' => 'img_name ASC' ) );
  58                         foreach ( $res as $row ) {
  59                                 $file = $repo->newFileFromRow( $row );
  60                                 $headers = $file->getStreamHeaders();
  61                                 if ( count( $headers ) ) {
  62                                         $this->updateFileHeaders( $file, $headers );
  63                                 }
  64                                 // Do all of the older file versions...
  65                                 foreach ( $file->getHistory() as $oldFile ) {
  66                                         $headers = $oldFile->getStreamHeaders();
  67                                         if ( count( $headers ) ) {
  68                                                 $this->updateFileHeaders( $oldFile, $headers );
  69                                         }
  70                                 }
  71                                 if ( $this->hasOption( 'verbose' ) ) {
  72                                         $this->output( "Updated headers for file '{$row->img_name}'.\n" );
  73                                 }
  74                                 ++$count;
  75                                 $start = $row->img_name; // advance
  76                         }
  77                 } while ( $res->numRows() > 0 );
  78
  79                 $this->output( "Done. Updated headers for $count file(s).\n" );
  80         }
  81
  82         protected function updateFileHeaders( File $file, array $headers ) {
  83                 $status = $file->getRepo()->getBackend()->describe( array(
  84                         'src' => $file->getPath(), 'headers' => $headers
  85                 ) );
  86                 if ( !$status->isGood() ) {
  87                         $this->error( "Encountered error: " . print_r( $status, true ) );
  88                 }
  89         }
  90 }
  91
  92 $maintClass = 'RefreshFileHeaders';
  93 require_once RUN_MAINTENANCE_IF_MAIN;