maintenance/dumpBackup.php

   1 <?php
   2 /**
   3  * Script that dumps wiki pages or logging database into an XML interchange
   4  * wrapper format for export or backup
   5  *
   6  * Copyright © 2005 Brion Vibber <brion@pobox.com>
   7  * https://www.mediawiki.org/
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  *
  24  * @file
  25  * @ingroup Dump
  26  * @ingroup Maintenance
  27  */
  28
  29 require_once __DIR__ . '/includes/BackupDumper.php';
  30
  31 class DumpBackup extends BackupDumper {
  32         function __construct( $args = null ) {
  33                 parent::__construct();
  34
  35                 $this->addDescription( <<<TEXT
  36 This script dumps the wiki page or logging database into an
  37 XML interchange wrapper format for export or backup.
  38
  39 XML output is sent to stdout; progress reports are sent to stderr.
  40
  41 WARNING: this is not a full database dump! It is merely for public export
  42          of your wiki. For full backup, see our online help at:
  43          https://www.mediawiki.org/wiki/Backup
  44 TEXT
  45                 );
  46                 $this->stderr = fopen( "php://stderr", "wt" );
  47                 // Actions
  48                 $this->addOption( 'full', 'Dump all revisions of every page' );
  49                 $this->addOption( 'current', 'Dump only the latest revision of every page.' );
  50                 $this->addOption( 'logs', 'Dump all log events' );
  51                 $this->addOption( 'stable', 'Dump stable versions of pages' );
  52                 $this->addOption( 'revrange', 'Dump range of revisions specified by revstart and ' .
  53                         'revend parameters' );
  54                 $this->addOption( 'orderrevs', 'Dump revisions in ascending revision order ' .
  55                         '(implies dump of a range of pages)' );
  56                 $this->addOption( 'pagelist',
  57                         'Dump only pages included in the file', false, true );
  58                 // Options
  59                 $this->addOption( 'start', 'Start from page_id or log_id', false, true );
  60                 $this->addOption( 'end', 'Stop before page_id or log_id n (exclusive)', false, true );
  61                 $this->addOption( 'revstart', 'Start from rev_id', false, true );
  62                 $this->addOption( 'revend', 'Stop before rev_id n (exclusive)', false, true );
  63                 $this->addOption( 'skip-header', 'Don\'t output the <mediawiki> header' );
  64                 $this->addOption( 'skip-footer', 'Don\'t output the </mediawiki> footer' );
  65                 $this->addOption( 'stub', 'Don\'t perform old_text lookups; for 2-pass dump' );
  66                 $this->addOption( 'uploads', 'Include upload records without files' );
  67                 $this->addOption( 'include-files', 'Include files within the XML stream' );
  68                 $this->addOption( 'namespaces', 'Limit to this comma-separated list of namespace numbers' );
  69
  70                 if ( $args ) {
  71                         $this->loadWithArgv( $args );
  72                         $this->processOptions();
  73                 }
  74         }
  75
  76         function execute() {
  77                 $this->processOptions();
  78
  79                 $textMode = $this->hasOption( 'stub' ) ? WikiExporter::STUB : WikiExporter::TEXT;
  80
  81                 if ( $this->hasOption( 'full' ) ) {
  82                         $this->dump( WikiExporter::FULL, $textMode );
  83                 } elseif ( $this->hasOption( 'current' ) ) {
  84                         $this->dump( WikiExporter::CURRENT, $textMode );
  85                 } elseif ( $this->hasOption( 'stable' ) ) {
  86                         $this->dump( WikiExporter::STABLE, $textMode );
  87                 } elseif ( $this->hasOption( 'logs' ) ) {
  88                         $this->dump( WikiExporter::LOGS );
  89                 } elseif ( $this->hasOption( 'revrange' ) ) {
  90                         $this->dump( WikiExporter::RANGE, $textMode );
  91                 } else {
  92                         $this->fatalError( 'No valid action specified.' );
  93                 }
  94         }
  95
  96         function processOptions() {
  97                 parent::processOptions();
  98
  99                 // Evaluate options specific to this class
 100                 $this->reporting = !$this->hasOption( 'quiet' );
 101
 102                 if ( $this->hasOption( 'pagelist' ) ) {
 103                         $filename = $this->getOption( 'pagelist' );
 104                         $pages = file( $filename );
 105                         if ( $pages === false ) {
 106                                 $this->fatalError( "Unable to open file {$filename}\n" );
 107                         }
 108                         $pages = array_map( 'trim', $pages );
 109                         $this->pages = array_filter( $pages, function ( $x ) {
 110                                 return $x !== '';
 111                         } );
 112                 }
 113
 114                 if ( $this->hasOption( 'start' ) ) {
 115                         $this->startId = intval( $this->getOption( 'start' ) );
 116                 }
 117
 118                 if ( $this->hasOption( 'end' ) ) {
 119                         $this->endId = intval( $this->getOption( 'end' ) );
 120                 }
 121
 122                 if ( $this->hasOption( 'revstart' ) ) {
 123                         $this->revStartId = intval( $this->getOption( 'revstart' ) );
 124                 }
 125
 126                 if ( $this->hasOption( 'revend' ) ) {
 127                         $this->revEndId = intval( $this->getOption( 'revend' ) );
 128                 }
 129
 130                 $this->skipHeader = $this->hasOption( 'skip-header' );
 131                 $this->skipFooter = $this->hasOption( 'skip-footer' );
 132                 $this->dumpUploads = $this->hasOption( 'uploads' );
 133                 $this->dumpUploadFileContents = $this->hasOption( 'include-files' );
 134                 $this->orderRevs = $this->hasOption( 'orderrevs' );
 135                 if ( $this->hasOption( 'namespaces' ) ) {
 136                         $this->limitNamespaces = explode( ',', $this->getOption( 'namespaces' ) );
 137                 } else {
 138                         $this->limitNamespaces = null;
 139                 }
 140         }
 141 }
 142
 143 $maintClass = DumpBackup::class;
 144 require_once RUN_MAINTENANCE_IF_MAIN;