(bug 40829) Show cascading protection info on action=info
[lhc/web/wiklou.git] / maintenance / purgeList.php
index 7168a20..4b3c382 100644 (file)
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
  *
+ * @file
  * @ingroup Maintenance
  */
 
-require_once( dirname(__FILE__) . '/Maintenance.php' );
+require_once( __DIR__ . '/Maintenance.php' );
 
+/**
+ * Maintenance script that sends purge requests for listed pages to squid.
+ *
+ * @ingroup Maintenance
+ */
 class PurgeList extends Maintenance {
        public function __construct() {
                parent::__construct();
                $this->mDescription = "Send purge requests for listed pages to squid";
+               $this->addOption( 'purge', 'Whether to update page_touched.' , false, false );
+               $this->addOption( 'namespace', 'Namespace number', false, true );
+               $this->setBatchSize( 100 );
        }
 
        public function execute() {
+               if( $this->hasOption( 'namespace' ) ) {
+                       $this->purgeNamespace();
+               } else {
+                       $this->purgeList();
+               }
+               $this->output( "Done!\n" );
+       }
+
+       /** Purge URL coming from stdin */
+       private function purgeList() {
                $stdin = $this->getStdin();
                $urls = array();
 
-               while( !feof( $stdin ) ) {
+               while ( !feof( $stdin ) ) {
                        $page = trim( fgets( $stdin ) );
-                       if ( substr( $page, 0, 7 ) == 'http://' ) {
+                       if ( preg_match( '%^https?://%', $page ) ) {
                                $urls[] = $page;
-                       } elseif( $page !== '' ) {
+                       } elseif ( $page !== '' ) {
                                $title = Title::newFromText( $page );
-                               if( $title ) {
-                                       $url = $title->getFullUrl();
+                               if ( $title ) {
+                                       $url = $title->getInternalUrl();
                                        $this->output( "$url\n" );
                                        $urls[] = $url;
-                                       if( isset( $options['purge'] ) ) {
+                                       if ( $this->getOption( 'purge' ) ) {
                                                $title->invalidateCache();
                                        }
                                } else {
@@ -50,14 +69,70 @@ class PurgeList extends Maintenance {
                                }
                        }
                }
+               $this->sendPurgeRequest( $urls );
+       }
+
+       /** Purge a namespace given by --namespace */
+       private function purgeNamespace() {
+               $dbr = wfGetDB( DB_SLAVE );
+               $ns = $dbr->addQuotes( $this->getOption( 'namespace') );
+
+               $result = $dbr->select(
+                       array( 'page' ),
+                       array( 'page_namespace', 'page_title' ),
+                       array( "page_namespace = $ns" ),
+                       __METHOD__,
+                       array( 'ORDER BY' => 'page_id' )
+               );
+
+               $start   = 0;
+               $end = $dbr->numRows( $result );
+               $this->output( "Will purge $end pages from namespace $ns\n" );
+
+               # Do remaining chunk
+               $end += $this->mBatchSize - 1;
+               $blockStart = $start;
+               $blockEnd = $start + $this->mBatchSize - 1;
+
+               while( $blockEnd <= $end ) {
+                       # Select pages we will purge:
+                       $result = $dbr->select(
+                               array( 'page' ),
+                               array( 'page_namespace', 'page_title' ),
+                               array( "page_namespace = $ns" ),
+                               __METHOD__,
+                               array( # conditions
+                                       'ORDER BY' => 'page_id',
+                                       'LIMIT'    => $this->mBatchSize,
+                                       'OFFSET'   => $blockStart,
+                               )
+                       );
+                       # Initialize/reset URLs to be purged
+                       $urls = array();
+                       foreach( $result as $row ) {
+                               $title = Title::makeTitle( $row->page_namespace, $row->page_title );
+                               $url = $title->getInternalUrl();
+                               $urls[] = $url;
+                       }
+
+                       $this->sendPurgeRequest( $urls );
+
+                       $blockStart += $this->mBatchSize;
+                       $blockEnd   += $this->mBatchSize;
+               }
+       }
 
-               $this->output( "Purging " . count( $urls ) . " urls...\n" );
+       /**
+        * Helper to purge an array of $urls
+        * @param $urls array List of URLS to purge from squids
+        */
+       private function sendPurgeRequest( $urls ) {
+               $this->output( "Purging " . count( $urls ). " urls\n" );
                $u = new SquidUpdate( $urls );
                $u->doUpdate();
-
-               $this->output( "Done!\n" );
        }
+
 }
 
 $maintClass = "PurgeList";
-require_once( DO_MAINTENANCE );
+require_once( RUN_MAINTENANCE_IF_MAIN );