MediaWiki REL1_34
findMissingFiles.php
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1<?php
21require_once __DIR__ . '/Maintenance.php';
22
24 function __construct() {
25 parent::__construct();
26
27 $this->addDescription( 'Find registered files with no corresponding file.' );
28 $this->addOption( 'start', 'Start after this file name', false, true );
29 $this->addOption( 'mtimeafter', 'Only include files changed since this time', false, true );
30 $this->addOption( 'mtimebefore', 'Only includes files changed before this time', false, true );
31 $this->setBatchSize( 300 );
32 }
33
34 function execute() {
35 $lastName = $this->getOption( 'start', '' );
36
37 $repo = RepoGroup::singleton()->getLocalRepo();
38 $dbr = $repo->getReplicaDB();
39 $be = $repo->getBackend();
40 $batchSize = $this->getBatchSize();
41
42 $mtime1 = $dbr->timestampOrNull( $this->getOption( 'mtimeafter', null ) );
43 $mtime2 = $dbr->timestampOrNull( $this->getOption( 'mtimebefore', null ) );
44
45 $joinTables = [];
46 $joinConds = [];
47 if ( $mtime1 || $mtime2 ) {
48 $joinTables[] = 'page';
49 $joinConds['page'] = [ 'JOIN',
50 [ 'page_title = img_name', 'page_namespace' => NS_FILE ] ];
51 $joinTables[] = 'logging';
52 $on = [ 'log_page = page_id', 'log_type' => [ 'upload', 'move', 'delete' ] ];
53 if ( $mtime1 ) {
54 $on[] = "log_timestamp > {$dbr->addQuotes($mtime1)}";
55 }
56 if ( $mtime2 ) {
57 $on[] = "log_timestamp < {$dbr->addQuotes($mtime2)}";
58 }
59 $joinConds['logging'] = [ 'JOIN', $on ];
60 }
61
62 do {
63 $res = $dbr->select(
64 array_merge( [ 'image' ], $joinTables ),
65 [ 'name' => 'img_name' ],
66 [ "img_name > " . $dbr->addQuotes( $lastName ) ],
67 __METHOD__,
68 // DISTINCT causes a pointless filesort
69 [ 'ORDER BY' => 'name', 'GROUP BY' => 'name',
70 'LIMIT' => $batchSize ],
71 $joinConds
72 );
73
74 // Check if any of these files are missing...
75 $pathsByName = [];
76 foreach ( $res as $row ) {
77 $file = $repo->newFile( $row->name );
78 $pathsByName[$row->name] = $file->getPath();
79 $lastName = $row->name;
80 }
81 $be->preloadFileStat( [ 'srcs' => $pathsByName ] );
82 foreach ( $pathsByName as $path ) {
83 if ( $be->fileExists( [ 'src' => $path ] ) === false ) {
84 $this->output( "$path\n" );
85 }
86 }
87
88 // Find all missing old versions of any of the files in this batch...
89 if ( count( $pathsByName ) ) {
90 $ores = $dbr->select( 'oldimage',
91 [ 'oi_name', 'oi_archive_name' ],
92 [ 'oi_name' => array_keys( $pathsByName ) ],
93 __METHOD__
94 );
95
96 $checkPaths = [];
97 foreach ( $ores as $row ) {
98 if ( !strlen( $row->oi_archive_name ) ) {
99 continue; // broken row
100 }
101 $file = $repo->newFromArchiveName( $row->oi_name, $row->oi_archive_name );
102 $checkPaths[] = $file->getPath();
103 }
104
105 foreach ( array_chunk( $checkPaths, $batchSize ) as $paths ) {
106 $be->preloadFileStat( [ 'srcs' => $paths ] );
107 foreach ( $paths as $path ) {
108 if ( $be->fileExists( [ 'src' => $path ] ) === false ) {
109 $this->output( "$path\n" );
110 }
111 }
112 }
113 }
114 } while ( $res->numRows() >= $batchSize );
115 }
116}
117
118$maintClass = FindMissingFiles::class;
119require_once RUN_MAINTENANCE_IF_MAIN;
const RUN_MAINTENANCE_IF_MAIN
execute()
Do the actual work.
__construct()
Default constructor.
Abstract maintenance class for quickly writing and churning out maintenance scripts with minimal effo...
output( $out, $channel=null)
Throw some output to the user.
getBatchSize()
Returns batch size.
addDescription( $text)
Set the description text.
addOption( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
Add a parameter to the script.
getOption( $name, $default=null)
Get an option, or return the default.
setBatchSize( $s=0)
Set the batch size.
const NS_FILE
Definition Defines.php:75
if(PHP_SAPI !='cli-server') if(!isset( $_SERVER['SCRIPT_FILENAME'])) $file
Item class for a filearchive table row.
Definition router.php:42