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| 1 | <?php |
| 2 | /** |
| 3 | * @ingroup Maintenance |
| 4 | */ |
| 5 | |
| 6 | use MediaWiki\MainConfigNames; |
| 7 | use MediaWiki\Title\Title; |
| 8 | |
| 9 | if ( getenv( 'MW_INSTALL_PATH' ) ) { |
| 10 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 11 | } else { |
| 12 | $IP = __DIR__ . '/../../..'; |
| 13 | } |
| 14 | |
| 15 | require_once "$IP/maintenance/Maintenance.php"; |
| 16 | |
| 17 | class PurgeReviewablePages extends Maintenance { |
| 18 | |
| 19 | public function __construct() { |
| 20 | parent::__construct(); |
| 21 | $this->addDescription( "Use to purge CDN/file cache for all reviewable pages" ); |
| 22 | $this->addOption( 'makelist', |
| 23 | "Build the list of reviewable pages to pagesToPurge.list" ); |
| 24 | $this->addOption( 'purgelist', |
| 25 | "Purge the list of pages in pagesToPurge.list" ); |
| 26 | $this->setBatchSize( 1000 ); |
| 27 | $this->requireExtension( 'FlaggedRevs' ); |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * @inheritDoc |
| 32 | */ |
| 33 | public function execute() { |
| 34 | $fileName = "pagesToPurge.list"; |
| 35 | // Build the list file... |
| 36 | if ( $this->getOption( 'makelist' ) ) { |
| 37 | $fileHandle = fopen( $fileName, 'w+' ); |
| 38 | if ( !$fileHandle ) { |
| 39 | $this->fatalError( "Can't open file to create purge list." ); |
| 40 | } |
| 41 | $this->listReviewablePages( $fileHandle ); |
| 42 | fclose( $fileHandle ); |
| 43 | // Purge pages on the list file... |
| 44 | } elseif ( $this->getOption( 'purgelist' ) ) { |
| 45 | $fileHandle = fopen( $fileName, 'r' ); |
| 46 | if ( !$fileHandle ) { |
| 47 | $this->fatalError( "Can't open file to read purge list." ); |
| 48 | } |
| 49 | $this->purgeReviewablePages( $fileHandle ); |
| 50 | fclose( $fileHandle ); |
| 51 | } else { |
| 52 | $this->fatalError( "No purge list action specified." ); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * @param resource $fileHandle |
| 58 | */ |
| 59 | private function listReviewablePages( $fileHandle ) { |
| 60 | $this->output( "Building list of all reviewable pages to purge ...\n" ); |
| 61 | $config = $this->getConfig(); |
| 62 | $reviewNamespaces = $config->get( 'FlaggedRevsNamespaces' ); |
| 63 | if ( !$config->get( MainConfigNames::UseCdn ) && !$config->get( MainConfigNames::UseFileCache ) ) { |
| 64 | $this->output( "CDN/file cache not enabled ... nothing to purge.\n" ); |
| 65 | return; |
| 66 | } elseif ( !$reviewNamespaces ) { |
| 67 | $this->output( "There are no reviewable namespaces ... nothing to purge.\n" ); |
| 68 | return; |
| 69 | } |
| 70 | |
| 71 | $db = $this->getPrimaryDB(); |
| 72 | |
| 73 | $start = $db->newSelectQueryBuilder() |
| 74 | ->select( 'MIN(page_id)' ) |
| 75 | ->from( 'page' ) |
| 76 | ->caller( __METHOD__ ) |
| 77 | ->fetchField(); |
| 78 | $end = $db->newSelectQueryBuilder() |
| 79 | ->select( 'MAX(page_id)' ) |
| 80 | ->from( 'page' ) |
| 81 | ->where( __METHOD__ ) |
| 82 | ->fetchField(); |
| 83 | if ( $start === null || $end === null ) { |
| 84 | $this->output( "... page table seems to be empty.\n" ); |
| 85 | return; |
| 86 | } |
| 87 | # Do remaining chunk |
| 88 | $end += $this->mBatchSize - 1; |
| 89 | $blockStart = (int)$start; |
| 90 | $blockEnd = (int)( $start + $this->mBatchSize - 1 ); |
| 91 | |
| 92 | $count = 0; |
| 93 | while ( $blockEnd <= $end ) { |
| 94 | $this->output( "... doing page_id from $blockStart to $blockEnd\n" ); |
| 95 | $res = $db->newSelectQueryBuilder() |
| 96 | ->select( '*' ) |
| 97 | ->from( 'page' ) |
| 98 | ->where( [ |
| 99 | $db->expr( 'page_id', '>=', $blockEnd ), |
| 100 | $db->expr( 'page_id', '<=', $blockEnd ), |
| 101 | 'page_namespace' => $reviewNamespaces, |
| 102 | ] ) |
| 103 | ->caller( __METHOD__ ) |
| 104 | ->fetchResultSet(); |
| 105 | # Go through and append each purgeable page... |
| 106 | foreach ( $res as $row ) { |
| 107 | $title = Title::newFromRow( $row ); |
| 108 | $fa = FlaggableWikiPage::getTitleInstance( $title ); |
| 109 | if ( $fa->isReviewable() ) { |
| 110 | # Need to purge this page - add to list |
| 111 | fwrite( $fileHandle, $title->getPrefixedDBkey() . "\n" ); |
| 112 | $count++; |
| 113 | } |
| 114 | } |
| 115 | $blockStart += $this->mBatchSize - 1; |
| 116 | $blockEnd += $this->mBatchSize - 1; |
| 117 | $this->waitForReplication(); |
| 118 | } |
| 119 | $this->output( "List of reviewable pages to purge complete ... {$count} pages\n" ); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * @param resource $fileHandle |
| 124 | */ |
| 125 | private function purgeReviewablePages( $fileHandle ) { |
| 126 | $this->output( "Purging CDN cache for list of pages to purge ...\n" ); |
| 127 | $config = $this->getConfig(); |
| 128 | if ( !$config->get( MainConfigNames::UseCdn ) && !$config->get( MainConfigNames::UseFileCache ) ) { |
| 129 | $this->output( "CDN/file cache not enabled ... nothing to purge.\n" ); |
| 130 | return; |
| 131 | } |
| 132 | |
| 133 | $services = $this->getServiceContainer(); |
| 134 | $htmlCache = $services->getHtmlCacheUpdater(); |
| 135 | |
| 136 | $count = 0; |
| 137 | while ( !feof( $fileHandle ) ) { |
| 138 | $dbKey = trim( fgets( $fileHandle ) ); |
| 139 | if ( $dbKey == '' ) { |
| 140 | continue; // last line? |
| 141 | } |
| 142 | $title = Title::newFromDBkey( $dbKey ); |
| 143 | if ( $title ) { |
| 144 | // send PURGE |
| 145 | $htmlCache->purgeTitleUrls( $title, $htmlCache::PURGE_INTENT_TXROUND_REFLECTED ); |
| 146 | // purge poor-mans's CDN |
| 147 | HTMLFileCache::clearFileCache( $title ); |
| 148 | $this->output( "... $dbKey\n" ); |
| 149 | |
| 150 | $count++; |
| 151 | if ( ( $count % $this->mBatchSize ) == 0 ) { |
| 152 | $this->waitForReplication(); |
| 153 | } |
| 154 | } else { |
| 155 | $this->output( "Invalid title - cannot purge: $dbKey\n" ); |
| 156 | } |
| 157 | } |
| 158 | $this->output( "CDN/file cache purge of page list complete ... {$count} pages\n" ); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | $maintClass = PurgeReviewablePages::class; |
| 163 | require_once RUN_MAINTENANCE_IF_MAIN; |