Current File : //www/varak.net/wiki.varak.net/maintenance/update.php
#!/usr/bin/env php
<?php
/**
* Run all updaters.
*
* This is used when the database schema is modified and we need to apply patches.
*
* 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
* @todo document
* @ingroup Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
use Wikimedia\Rdbms\IMaintainableDatabase;
/**
* Maintenance script to run database schema updates.
*
* @ingroup Maintenance
*/
class UpdateMediaWiki extends Maintenance {
function __construct() {
parent::__construct();
$this->addDescription( 'MediaWiki database updater' );
$this->addOption( 'skip-compat-checks', 'Skips compatibility checks, mostly for developers' );
$this->addOption( 'quick', 'Skip 5 second countdown before starting' );
$this->addOption( 'doshared', 'Also update shared tables' );
$this->addOption( 'nopurge', 'Do not purge the objectcache table after updates' );
$this->addOption( 'noschema', 'Only do the updates that are not done during schema updates' );
$this->addOption(
'schema',
'Output SQL to do the schema updates instead of doing them. Works '
. 'even when $wgAllowSchemaUpdates is false',
false,
true
);
$this->addOption( 'force', 'Override when $wgAllowSchemaUpdates disables this script' );
$this->addOption(
'skip-external-dependencies',
'Skips checking whether external dependencies are up to date, mostly for developers'
);
}
function getDbType() {
return Maintenance::DB_ADMIN;
}
function compatChecks() {
$minimumPcreVersion = Installer::MINIMUM_PCRE_VERSION;
list( $pcreVersion ) = explode( ' ', PCRE_VERSION, 2 );
if ( version_compare( $pcreVersion, $minimumPcreVersion, '<' ) ) {
$this->fatalError(
"PCRE $minimumPcreVersion or later is required.\n" .
"Your PHP binary is linked with PCRE $pcreVersion.\n\n" .
"More information:\n" .
"https://www.mediawiki.org/wiki/Manual:Errors_and_symptoms/PCRE\n\n" .
"ABORTING.\n" );
}
$test = new PhpXmlBugTester();
if ( !$test->ok ) {
$this->fatalError(
"Your system has a combination of PHP and libxml2 versions that is buggy\n" .
"and can cause hidden data corruption in MediaWiki and other web apps.\n" .
"Upgrade to libxml2 2.7.3 or later.\n" .
"ABORTING (see https://bugs.php.net/bug.php?id=45996).\n" );
}
}
function execute() {
global $wgVersion, $wgLang, $wgAllowSchemaUpdates, $wgMessagesDirs;
if ( !$wgAllowSchemaUpdates
&& !( $this->hasOption( 'force' )
|| $this->hasOption( 'schema' )
|| $this->hasOption( 'noschema' ) )
) {
$this->fatalError( "Do not run update.php on this wiki. If you're seeing this you should\n"
. "probably ask for some help in performing your schema updates or use\n"
. "the --noschema and --schema options to get an SQL file for someone\n"
. "else to inspect and run.\n\n"
. "If you know what you are doing, you can continue with --force\n" );
}
$this->fileHandle = null;
if ( substr( $this->getOption( 'schema' ), 0, 2 ) === "--" ) {
$this->fatalError( "The --schema option requires a file as an argument.\n" );
} elseif ( $this->hasOption( 'schema' ) ) {
$file = $this->getOption( 'schema' );
$this->fileHandle = fopen( $file, "w" );
if ( $this->fileHandle === false ) {
$err = error_get_last();
$this->fatalError( "Problem opening the schema file for writing: $file\n\t{$err['message']}" );
}
}
// T206765: We need to load the installer i18n files as some of errors come installer/updater code
$wgMessagesDirs['MediawikiInstaller'] = dirname( __DIR__ ) . '/includes/installer/i18n';
$lang = Language::factory( 'en' );
// Set global language to ensure localised errors are in English (T22633)
RequestContext::getMain()->setLanguage( $lang );
$wgLang = $lang; // BackCompat
define( 'MW_UPDATER', true );
$this->output( "MediaWiki {$wgVersion} Updater\n\n" );
wfWaitForSlaves();
if ( !$this->hasOption( 'skip-compat-checks' ) ) {
$this->compatChecks();
} else {
$this->output( "Skipping compatibility checks, proceed at your own risk (Ctrl+C to abort)\n" );
$this->countDown( 5 );
}
// Check external dependencies are up to date
if ( !$this->hasOption( 'skip-external-dependencies' ) ) {
$composerLockUpToDate = $this->runChild( CheckComposerLockUpToDate::class );
$composerLockUpToDate->execute();
} else {
$this->output(
"Skipping checking whether external dependencies are up to date, proceed at your own risk\n"
);
}
# Attempt to connect to the database as a privileged user
# This will vomit up an error if there are permissions problems
$db = $this->getDB( DB_MASTER );
# Check to see whether the database server meets the minimum requirements
/** @var DatabaseInstaller $dbInstallerClass */
$dbInstallerClass = Installer::getDBInstallerClass( $db->getType() );
$status = $dbInstallerClass::meetsMinimumRequirement( $db->getServerVersion() );
if ( !$status->isOK() ) {
// This might output some wikitext like <strong> but it should be comprehensible
$text = $status->getWikiText();
$this->fatalError( $text );
}
$this->output( "Going to run database updates for " . wfWikiID() . "\n" );
if ( $db->getType() === 'sqlite' ) {
/** @var IMaintainableDatabase|DatabaseSqlite $db */
$this->output( "Using SQLite file: '{$db->getDbFilePath()}'\n" );
}
$this->output( "Depending on the size of your database this may take a while!\n" );
if ( !$this->hasOption( 'quick' ) ) {
$this->output( "Abort with control-c in the next five seconds "
. "(skip this countdown with --quick) ... " );
$this->countDown( 5 );
}
$time1 = microtime( true );
$badPhpUnit = dirname( __DIR__ ) . '/vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php';
if ( file_exists( $badPhpUnit ) ) {
// Bad versions of the file are:
// https://raw.githubusercontent.com/sebastianbergmann/phpunit/c820f915bfae34e5a836f94967a2a5ea5ef34f21/src/Util/PHP/eval-stdin.php
// https://raw.githubusercontent.com/sebastianbergmann/phpunit/3aaddb1c5bd9b9b8d070b4cf120e71c36fd08412/src/Util/PHP/eval-stdin.php
$md5 = md5_file( $badPhpUnit );
if ( $md5 === '120ac49800671dc383b6f3709c25c099'
|| $md5 === '28af792cb38fc9a1b236b91c1aad2876'
) {
$success = unlink( $badPhpUnit );
if ( $success ) {
$this->output( "Removed PHPUnit eval-stdin.php to protect against CVE-2017-9841\n" );
} else {
$this->error( "Unable to remove $badPhpUnit, you should manually. See CVE-2017-9841" );
}
}
}
$shared = $this->hasOption( 'doshared' );
$updates = [ 'core', 'extensions' ];
if ( !$this->hasOption( 'schema' ) ) {
if ( $this->hasOption( 'noschema' ) ) {
$updates[] = 'noschema';
}
$updates[] = 'stats';
}
$updater = DatabaseUpdater::newForDB( $db, $shared, $this );
$updater->doUpdates( $updates );
foreach ( $updater->getPostDatabaseUpdateMaintenance() as $maint ) {
$child = $this->runChild( $maint );
// LoggedUpdateMaintenance is checking the updatelog itself
$isLoggedUpdate = $child instanceof LoggedUpdateMaintenance;
if ( !$isLoggedUpdate && $updater->updateRowExists( $maint ) ) {
continue;
}
$child->execute();
if ( !$isLoggedUpdate ) {
$updater->insertUpdateRow( $maint );
}
}
$updater->setFileAccess();
if ( !$this->hasOption( 'nopurge' ) ) {
$updater->purgeCache();
}
$time2 = microtime( true );
$timeDiff = $lang->formatTimePeriod( $time2 - $time1 );
$this->output( "\nDone in $timeDiff.\n" );
}
function afterFinalSetup() {
global $wgLocalisationCacheConf;
# Don't try to access the database
# This needs to be disabled early since extensions will try to use the l10n
# cache from $wgExtensionFunctions (T22471)
$wgLocalisationCacheConf = [
'class' => LocalisationCache::class,
'storeClass' => LCStoreNull::class,
'storeDirectory' => false,
'manualRecache' => false,
];
}
}
$maintClass = UpdateMediaWiki::class;
require_once RUN_MAINTENANCE_IF_MAIN;
Mini Shell