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<?php
/**
* Send purge requests for listed pages to squid
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
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->addDescription( '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->addOption( 'all', 'Purge all pages', false, false );
$this->addOption( 'delay', 'Number of seconds to delay between each purge', false, true );
$this->addOption( 'verbose', 'Show more output', false, false, 'v' );
$this->setBatchSize( 100 );
}
public function execute() {
if ( $this->hasOption( 'all' ) ) {
$this->purgeNamespace( false );
} elseif ( $this->hasOption( 'namespace' ) ) {
$this->purgeNamespace( intval( $this->getOption( 'namespace' ) ) );
} else {
$this->doPurge();
}
$this->output( "Done!\n" );
}
/**
* Purge URL coming from stdin
*/
private function doPurge() {
$stdin = $this->getStdin();
$urls = [];
while ( !feof( $stdin ) ) {
$page = trim( fgets( $stdin ) );
if ( preg_match( '%^https?://%', $page ) ) {
$urls[] = $page;
} elseif ( $page !== '' ) {
$title = Title::newFromText( $page );
if ( $title ) {
$url = $title->getInternalURL();
$this->output( "$url\n" );
$urls[] = $url;
if ( $this->getOption( 'purge' ) ) {
$title->invalidateCache();
}
} else {
$this->output( "(Invalid title '$page')\n" );
}
}
}
$this->output( "Purging " . count( $urls ) . " urls\n" );
$this->sendPurgeRequest( $urls );
}
/**
* Purge a namespace or all pages
*
* @param int|bool $namespace
*/
private function purgeNamespace( $namespace = false ) {
$dbr = $this->getDB( DB_SLAVE );
$startId = 0;
if ( $namespace === false ) {
$conds = [];
} else {
$conds = [ 'page_namespace' => $namespace ];
}
while ( true ) {
$res = $dbr->select( 'page',
[ 'page_id', 'page_namespace', 'page_title' ],
$conds + [ 'page_id > ' . $dbr->addQuotes( $startId ) ],
__METHOD__,
[
'LIMIT' => $this->mBatchSize,
'ORDER BY' => 'page_id'
]
);
if ( !$res->numRows() ) {
break;
}
$urls = [];
foreach ( $res as $row ) {
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
$url = $title->getInternalURL();
$urls[] = $url;
$startId = $row->page_id;
}
$this->sendPurgeRequest( $urls );
}
}
/**
* Helper to purge an array of $urls
* @param array $urls List of URLS to purge from squids
*/
private function sendPurgeRequest( $urls ) {
if ( $this->hasOption( 'delay' ) ) {
$delay = floatval( $this->getOption( 'delay' ) );
foreach ( $urls as $url ) {
if ( $this->hasOption( 'verbose' ) ) {
$this->output( $url . "\n" );
}
$u = new CdnCacheUpdate( [ $url ] );
$u->doUpdate();
usleep( $delay * 1e6 );
}
} else {
if ( $this->hasOption( 'verbose' ) ) {
$this->output( implode( "\n", $urls ) . "\n" );
}
$u = new CdnCacheUpdate( $urls );
$u->doUpdate();
}
}
}
$maintClass = "PurgeList";
require_once RUN_MAINTENANCE_IF_MAIN;