X-Git-Url: https://git.heureux-cyclage.org/?p=lhc%2Fweb%2Fwiklou.git;a=blobdiff_plain;f=includes%2Finstaller%2FInstaller.php;h=abf4de4f692b92a3fa13071fc0efd93919b50a36;hp=f5e12d64775a25c9750c37978001c4a3a328ea36;hb=49aa4d3f9c48bced2e7293925786479a99b56b33;hpb=9f026c24ec2f1e2b4374c77b42b6547f55848872

diff --git a/includes/installer/Installer.php b/includes/installer/Installer.php
index f5e12d6477..abf4de4f69 100644
--- a/includes/installer/Installer.php
+++ b/includes/installer/Installer.php
@@ -23,7 +23,10 @@
  * @file
  * @ingroup Deployment
  */
+
+use MediaWiki\Interwiki\NullInterwikiLookup;
 use MediaWiki\MediaWikiServices;
+use MediaWiki\Shell\Shell;
 
 /**
  * This documentation group collects source code files with deployment functionality.
@@ -403,7 +406,7 @@ abstract class Installer {
 		$installerConfig = self::getInstallerConfig( $defaultConfig );
 
 		// Reset all services and inject config overrides
-		MediaWiki\MediaWikiServices::resetGlobalInstance( $installerConfig );
+		MediaWikiServices::resetGlobalInstance( $installerConfig );
 
 		// Don't attempt to load user language options (T126177)
 		// This will be overridden in the web installer with the user-specified language
@@ -414,13 +417,19 @@ abstract class Installer {
 		Language::getLocalisationCache()->disableBackend();
 
 		// Disable all global services, since we don't have any configuration yet!
-		MediaWiki\MediaWikiServices::disableStorageBackend();
+		MediaWikiServices::disableStorageBackend();
 
+		$mwServices = MediaWikiServices::getInstance();
 		// Disable object cache (otherwise CACHE_ANYTHING will try CACHE_DB and
 		// SqlBagOStuff will then throw since we just disabled wfGetDB)
-		$wgObjectCaches = MediaWikiServices::getInstance()->getMainConfig()->get( 'ObjectCaches' );
+		$wgObjectCaches = $mwServices->getMainConfig()->get( 'ObjectCaches' );
 		$wgMemc = ObjectCache::getInstance( CACHE_NONE );
 
+		// Disable interwiki lookup, to avoid database access during parses
+		$mwServices->redefineService( 'InterwikiLookup', function () {
+			return new NullInterwikiLookup();
+		} );
+
 		// Having a user with id = 0 safeguards us from DB access via User::loadOptions().
 		$wgUser = User::newFromId( 0 );
 		RequestContext::getMain()->setUser( $wgUser );
@@ -989,18 +998,22 @@ abstract class Installer {
 			return true;
 		}
 
+		if ( Shell::isDisabled() ) {
+			return true;
+		}
+
 		# Get a list of available locales.
-		$ret = false;
-		$lines = wfShellExec( '/usr/bin/locale -a', $ret );
+		$result = Shell::command( '/usr/bin/locale', '-a' )
+			->execute();
 
-		if ( $ret ) {
+		if ( $result->getExitCode() != 0 ) {
 			return true;
 		}
 
+		$lines = $result->getStdout();
 		$lines = array_map( 'trim', explode( "\n", $lines ) );
 		$candidatesByLocale = [];
 		$candidatesByLang = [];
-
 		foreach ( $lines as $line ) {
 			if ( $line === '' ) {
 				continue;
@@ -1198,7 +1211,7 @@ abstract class Installer {
 		$scriptTypes = [
 			'php' => [
 				"<?php echo 'ex' . 'ec';",
-				"#!/var/env php5\n<?php echo 'ex' . 'ec';",
+				"#!/var/env php\n<?php echo 'ex' . 'ec';",
 			],
 		];
 
@@ -1300,7 +1313,15 @@ abstract class Installer {
 			if ( !is_dir( "$extDir/$file" ) ) {
 				continue;
 			}
-			if ( file_exists( "$extDir/$file/$jsonFile" ) || file_exists( "$extDir/$file/$file.php" ) ) {
+			$fullJsonFile = "$extDir/$file/$jsonFile";
+			$isJson = file_exists( $fullJsonFile );
+			$isPhp = false;
+			if ( !$isJson ) {
+				// Only fallback to PHP file if JSON doesn't exist
+				$fullPhpFile = "$extDir/$file/$file.php";
+				$isPhp = file_exists( $fullPhpFile );
+			}
+			if ( $isJson || $isPhp ) {
 				// Extension exists. Now see if there are screenshots
 				$exts[$file] = [];
 				if ( is_dir( "$extDir/$file/screenshots" ) ) {
@@ -1311,6 +1332,13 @@ abstract class Installer {
 
 				}
 			}
+			if ( $isJson ) {
+				$info = $this->readExtension( $fullJsonFile );
+				if ( $info === false ) {
+					continue;
+				}
+				$exts[$file] += $info;
+			}
 		}
 		closedir( $dh );
 		uksort( $exts, 'strnatcasecmp' );
@@ -1318,6 +1346,82 @@ abstract class Installer {
 		return $exts;
 	}
 
+	/**
+	 * @param string $fullJsonFile
+	 * @param array $extDeps
+	 * @param array $skinDeps
+	 *
+	 * @return array|bool False if this extension can't be loaded
+	 */
+	private function readExtension( $fullJsonFile, $extDeps = [], $skinDeps = [] ) {
+		$load = [
+			$fullJsonFile => 1
+		];
+		if ( $extDeps ) {
+			$extDir = $this->getVar( 'IP' ) . '/extensions';
+			foreach ( $extDeps as $dep ) {
+				$fname = "$extDir/$dep/extension.json";
+				if ( !file_exists( $fname ) ) {
+					return false;
+				}
+				$load[$fname] = 1;
+			}
+		}
+		if ( $skinDeps ) {
+			$skinDir = $this->getVar( 'IP' ) . '/skins';
+			foreach ( $skinDeps as $dep ) {
+				$fname = "$skinDir/$dep/skin.json";
+				if ( !file_exists( $fname ) ) {
+					return false;
+				}
+				$load[$fname] = 1;
+			}
+		}
+		$registry = new ExtensionRegistry();
+		try {
+			$info = $registry->readFromQueue( $load );
+		} catch ( ExtensionDependencyError $e ) {
+			if ( $e->incompatibleCore || $e->incompatibleSkins
+				|| $e->incompatibleExtensions
+			) {
+				// If something is incompatible with a dependency, we have no real
+				// option besides skipping it
+				return false;
+			} elseif ( $e->missingExtensions || $e->missingSkins ) {
+				// There's an extension missing in the dependency tree,
+				// so add those to the dependency list and try again
+				return $this->readExtension(
+					$fullJsonFile,
+					array_merge( $extDeps, $e->missingExtensions ),
+					array_merge( $skinDeps, $e->missingSkins )
+				);
+			}
+			// Some other kind of dependency error?
+			return false;
+		}
+		$ret = [];
+		// The order of credits will be the order of $load,
+		// so the first extension is the one we want to load,
+		// everything else is a dependency
+		$i = 0;
+		foreach ( $info['credits'] as $name => $credit ) {
+			$i++;
+			if ( $i == 1 ) {
+				// Extension we want to load
+				continue;
+			}
+			$type = basename( $credit['path'] ) === 'skin.json' ? 'skins' : 'extensions';
+			$ret['requires'][$type][] = $credit['name'];
+		}
+		$credits = array_values( $info['credits'] )[0];
+		if ( isset( $credits['url'] ) ) {
+			$ret['url'] = $credits['url'];
+		}
+		$ret['type'] = $credits['type'];
+
+		return $ret;
+	}
+
 	/**
 	 * Returns a default value to be used for $wgDefaultSkin: normally the one set in DefaultSettings,
 	 * but will fall back to another if the default skin is missing and some other one is present
@@ -1345,6 +1449,10 @@ abstract class Installer {
 		$exts = $this->getVar( '_Extensions' );
 		$IP = $this->getVar( 'IP' );
 
+		// Marker for DatabaseUpdater::loadExtensions so we don't
+		// double load extensions
+		define( 'MW_EXTENSIONS_LOADED', true );
+
 		/**
 		 * We need to include DefaultSettings before including extensions to avoid
 		 * warnings about unset variables. However, the only thing we really