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  * @ingroup Maintenance
  24  */
  25
  26 require_once __DIR__ . '/Maintenance.php';
  27
  28 /**
  29  * Maintenance script to refresh file headers from metadata
  30  *
  31  * @ingroup Maintenance
  32  */
  33 class RefreshFileHeaders extends Maintenance {
  34         function __construct() {
  35                 parent::__construct();
  36                 $this->addDescription( 'Script to update file HTTP headers' );
  37                 $this->addOption( 'verbose', 'Output information about each file.', false, false, 'v' );
  38                 $this->addOption( 'start', 'Name of file to start with', false, true );
  39                 $this->addOption( 'end', 'Name of file to end with', false, true );
  40                 $this->setBatchSize( 200 );
  41         }
  42
  43         public function execute() {
  44                 $repo = RepoGroup::singleton()->getLocalRepo();
  45                 $start = str_replace( ' ', '_', $this->getOption( 'start', '' ) ); // page on img_name
  46                 $end = str_replace( ' ', '_', $this->getOption( 'end', '' ) ); // page on img_name
  47
  48                 $count = 0;
  49                 $dbr = $this->getDB( DB_REPLICA );
  50
  51                 do {
  52                         $conds = [ "img_name > {$dbr->addQuotes( $start )}" ];
  53
  54                         if ( strlen( $end ) ) {
  55                                 $conds[] = "img_name <= {$dbr->addQuotes( $end )}";
  56                         }
  57
  58                         $res = $dbr->select( 'image', '*', $conds,
  59                                 __METHOD__, [ 'LIMIT' => $this->mBatchSize, 'ORDER BY' => 'img_name ASC' ] );
  60
  61                         if ( $res->numRows() > 0 ) {
  62                                 $row1 = $res->current();
  63                                 $this->output( "Processing next {$res->numRows()} row(s) starting with {$row1->img_name}.\n" );
  64                                 $res->rewind();
  65                         }
  66
  67                         $backendOperations = [];
  68
  69                         foreach ( $res as $row ) {
  70                                 $file = $repo->newFileFromRow( $row );
  71                                 $headers = $file->getContentHeaders();
  72
  73                                 if ( count( $headers ) ) {
  74                                         $backendOperations[] = [
  75                                                 'op' => 'describe', 'src' => $file->getPath(), 'headers' => $headers
  76                                         ];
  77                                 }
  78
  79                                 // Do all of the older file versions...
  80                                 foreach ( $file->getHistory() as $oldFile ) {
  81                                         $headers = $oldFile->getContentHeaders();
  82                                         if ( count( $headers ) ) {
  83                                                 $backendOperations[] = [
  84                                                         'op' => 'describe', 'src' => $oldFile->getPath(), 'headers' => $headers
  85                                                 ];
  86                                         }
  87                                 }
  88
  89                                 if ( $this->hasOption( 'verbose' ) ) {
  90                                         $this->output( "Queued headers update for file '{$row->img_name}'.\n" );
  91                                 }
  92
  93                                 $start = $row->img_name; // advance
  94                         }
  95
  96                         $backendOperationsCount = count( $backendOperations );
  97                         $count += $backendOperationsCount;
  98
  99                         $this->output( "Updating headers for {$backendOperationsCount} file(s).\n" );
 100                         $this->updateFileHeaders( $repo, $backendOperations );
 101                 } while ( $res->numRows() === $this->mBatchSize );
 102
 103                 $this->output( "Done. Updated headers for $count file(s).\n" );
 104         }
 105
 106         protected function updateFileHeaders( $repo, $backendOperations ) {
 107                 $status = $repo->getBackend()->doQuickOperations( $backendOperations );
 108
 109                 if ( !$status->isGood() ) {
 110                         $this->error( "Encountered error: " . print_r( $status, true ) );
 111                 }
 112         }
 113 }
 114
 115 $maintClass = 'RefreshFileHeaders';
 116 require_once RUN_MAINTENANCE_IF_MAIN;