first commit

4 files changed, 208 insertions, 0 deletions

diff --git a/www/wiki/includes/composer/ComposerHookHandler.php b/www/wiki/includes/composer/ComposerHookHandler.php
new file mode 100644
index 00000000..a1943be5
--- /dev/null
+++ b/www/wiki/includes/composer/ComposerHookHandler.php
@@ -0,0 +1,37 @@
+<?php
+
+use Composer\Package\Package;
+use Composer\Script\Event;
+
+$GLOBALS['IP'] = __DIR__ . '/../../';
+require_once __DIR__ . '/../AutoLoader.php';
+
+/**
+ * @license GNU GPL v2+
+ * @author Jeroen De Dauw < jeroendedauw@gmail.com >
+ */
+class ComposerHookHandler {
+
+	public static function onPreUpdate( Event $event ) {
+		self::handleChangeEvent( $event );
+	}
+
+	public static function onPreInstall( Event $event ) {
+		self::handleChangeEvent( $event );
+	}
+
+	private static function handleChangeEvent( Event $event ) {
+		$package = $event->getComposer()->getPackage();
+
+		if ( $package instanceof Package ) {
+			$packageModifier = new ComposerPackageModifier(
+				$package,
+				new ComposerVersionNormalizer(),
+				new MediaWikiVersionFetcher()
+			);
+
+			$packageModifier->setProvidesMediaWiki();
+		}
+	}
+
+}
diff --git a/www/wiki/includes/composer/ComposerPackageModifier.php b/www/wiki/includes/composer/ComposerPackageModifier.php
new file mode 100644
index 00000000..168336b2
--- /dev/null
+++ b/www/wiki/includes/composer/ComposerPackageModifier.php
@@ -0,0 +1,62 @@
+<?php
+
+use Composer\Package\Link;
+use Composer\Package\Package;
+use Composer\Semver\Constraint\Constraint;
+
+/**
+ * @license GNU GPL v2+
+ * @author Jeroen De Dauw < jeroendedauw@gmail.com >
+ */
+class ComposerPackageModifier {
+
+	const MEDIAWIKI_PACKAGE_NAME = 'mediawiki/mediawiki';
+
+	protected $package;
+	protected $versionNormalizer;
+	protected $versionFetcher;
+
+	public function __construct( Package $package,
+		ComposerVersionNormalizer $versionNormalizer, MediaWikiVersionFetcher $versionFetcher
+	) {
+		$this->package = $package;
+		$this->versionNormalizer = $versionNormalizer;
+		$this->versionFetcher = $versionFetcher;
+	}
+
+	public function setProvidesMediaWiki() {
+		$this->setLinkAsProvides( $this->newMediaWikiLink() );
+	}
+
+	private function setLinkAsProvides( Link $link ) {
+		$this->package->setProvides( [ $link ] );
+	}
+
+	private function newMediaWikiLink() {
+		$version = $this->getMediaWikiVersionConstraint();
+
+		$link = new Link(
+			'__root__',
+			self::MEDIAWIKI_PACKAGE_NAME,
+			$version,
+			'provides',
+			$version->getPrettyString()
+		);
+
+		return $link;
+	}
+
+	private function getMediaWikiVersionConstraint() {
+		$mvVersion = $this->versionFetcher->fetchVersion();
+		$mvVersion = $this->versionNormalizer->normalizeSuffix( $mvVersion );
+
+		$version = new Constraint(
+			'==',
+			$this->versionNormalizer->normalizeLevelCount( $mvVersion )
+		);
+		$version->setPrettyString( $mvVersion );
+
+		return $version;
+	}
+
+}
diff --git a/www/wiki/includes/composer/ComposerVendorHtaccessCreator.php b/www/wiki/includes/composer/ComposerVendorHtaccessCreator.php
new file mode 100644
index 00000000..1e5efdf1
--- /dev/null
+++ b/www/wiki/includes/composer/ComposerVendorHtaccessCreator.php
@@ -0,0 +1,43 @@
+<?php
+/**
+ * Copyright (C) 2017 Kunal Mehta <legoktm@member.fsf.org>
+ *
+ * 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.
+ *
+ */
+
+/**
+ * Creates a .htaccess in the vendor/ directory
+ * to prevent web access.
+ *
+ * This class runs *outside* of the normal MediaWiki
+ * environment and cannot depend upon any MediaWiki
+ * code.
+ */
+class ComposerVendorHtaccessCreator {
+
+	/**
+	 * Handle post-install-cmd and post-update-cmd hooks
+	 */
+	public static function onEvent() {
+		$fname = dirname( dirname( __DIR__ ) ) . "/vendor/.htaccess";
+		if ( file_exists( $fname ) ) {
+			// Already exists
+			return;
+		}
+
+		file_put_contents( $fname, "Deny from all\n" );
+	}
+}
diff --git a/www/wiki/includes/composer/ComposerVersionNormalizer.php b/www/wiki/includes/composer/ComposerVersionNormalizer.php
new file mode 100644
index 00000000..2194bede
--- /dev/null
+++ b/www/wiki/includes/composer/ComposerVersionNormalizer.php
@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * @license GNU GPL v2+
+ * @author Jeroen De Dauw < jeroendedauw@gmail.com >
+ */
+class ComposerVersionNormalizer {
+
+	/**
+	 * Ensures there is a dash in between the version and the stability suffix.
+	 *
+	 * Examples:
+	 * - 1.23RC => 1.23-RC
+	 * - 1.23alpha => 1.23-alpha
+	 * - 1.23alpha3 => 1.23-alpha3
+	 * - 1.23-beta => 1.23-beta
+	 *
+	 * @param string $version
+	 *
+	 * @return string
+	 * @throws InvalidArgumentException
+	 */
+	public function normalizeSuffix( $version ) {
+		if ( !is_string( $version ) ) {
+			throw new InvalidArgumentException( '$version must be a string' );
+		}
+
+		return preg_replace( '/^(\d[\d\.]*)([a-zA-Z]+)(\d*)$/', '$1-$2$3', $version, 1 );
+	}
+
+	/**
+	 * Ensures the version has four levels.
+	 * Version suffixes are supported, as long as they start with a dash.
+	 *
+	 * Examples:
+	 * - 1.19 => 1.19.0.0
+	 * - 1.19.2.3 => 1.19.2.3
+	 * - 1.19-alpha => 1.19.0.0-alpha
+	 * - 1337 => 1337.0.0.0
+	 *
+	 * @param string $version
+	 *
+	 * @return string
+	 * @throws InvalidArgumentException
+	 */
+	public function normalizeLevelCount( $version ) {
+		if ( !is_string( $version ) ) {
+			throw new InvalidArgumentException( '$version must be a string' );
+		}
+
+		$dashPosition = strpos( $version, '-' );
+
+		if ( $dashPosition !== false ) {
+			$suffix = substr( $version, $dashPosition );
+			$version = substr( $version, 0, $dashPosition );
+		}
+
+		$version = implode( '.', array_pad( explode( '.', $version ), 4, '0' ) );
+
+		if ( $dashPosition !== false ) {
+			$version .= $suffix;
+		}
+
+		return $version;
+	}
+}