1 files changed, 118 insertions, 0 deletions
diff --git a/www/wiki/includes/specials/SpecialLockdb.php b/www/wiki/includes/specials/SpecialLockdb.php
new file mode 100644
index 00000000..fb04b90b
--- /dev/null
+++ b/www/wiki/includes/specials/SpecialLockdb.php
@@ -0,0 +1,118 @@
+<?php
+/**
+ * Implements Special:Lockdb
+ *
+ * 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 SpecialPage
+ */
+
+/**
+ * A form to make the database readonly (eg for maintenance purposes).
+ *
+ * @ingroup SpecialPage
+ */
+class SpecialLockdb extends FormSpecialPage {
+	protected $reason = '';
+
+	public function __construct() {
+		parent::__construct( 'Lockdb', 'siteadmin' );
+	}
+
+	public function doesWrites() {
+		return false;
+	}
+
+	public function requiresWrite() {
+		return false;
+	}
+
+	public function checkExecutePermissions( User $user ) {
+		parent::checkExecutePermissions( $user );
+		# If the lock file isn't writable, we can do sweet bugger all
+		if ( !is_writable( dirname( $this->getConfig()->get( 'ReadOnlyFile' ) ) ) ) {
+			throw new ErrorPageError( 'lockdb', 'lockfilenotwritable' );
+		}
+		if ( file_exists( $this->getConfig()->get( 'ReadOnlyFile' ) ) ) {
+			throw new ErrorPageError( 'lockdb', 'databaselocked' );
+		}
+	}
+
+	protected function getFormFields() {
+		return [
+			'Reason' => [
+				'type' => 'textarea',
+				'rows' => 4,
+				'vertical-label' => true,
+				'label-message' => 'enterlockreason',
+			],
+			'Confirm' => [
+				'type' => 'toggle',
+				'label-message' => 'lockconfirm',
+			],
+		];
+	}
+
+	protected function alterForm( HTMLForm $form ) {
+		$form->setWrapperLegend( false )
+			->setHeaderText( $this->msg( 'lockdbtext' )->parseAsBlock() )
+			->setSubmitTextMsg( 'lockbtn' );
+	}
+
+	public function onSubmit( array $data ) {
+		global $wgContLang;
+
+		if ( !$data['Confirm'] ) {
+			return Status::newFatal( 'locknoconfirm' );
+		}
+
+		Wikimedia\suppressWarnings();
+		$fp = fopen( $this->getConfig()->get( 'ReadOnlyFile' ), 'w' );
+		Wikimedia\restoreWarnings();
+
+		if ( false === $fp ) {
+			# This used to show a file not found error, but the likeliest reason for fopen()
+			# to fail at this point is insufficient permission to write to the file...good old
+			# is_writable() is plain wrong in some cases, it seems...
+			return Status::newFatal( 'lockfilenotwritable' );
+		}
+		fwrite( $fp, $data['Reason'] );
+		$timestamp = wfTimestampNow();
+		fwrite( $fp, "\n<p>" . $this->msg( 'lockedbyandtime',
+			$this->getUser()->getName(),
+			$wgContLang->date( $timestamp, false, false ),
+			$wgContLang->time( $timestamp, false, false )
+		)->inContentLanguage()->text() . "</p>\n" );
+		fclose( $fp );
+
+		return Status::newGood();
+	}
+
+	public function onSuccess() {
+		$out = $this->getOutput();
+		$out->addSubtitle( $this->msg( 'lockdbsuccesssub' ) );
+		$out->addWikiMsg( 'lockdbsuccesstext' );
+	}
+
+	protected function getDisplayFormat() {
+		return 'ooui';
+	}
+
+	protected function getGroupName() {
+		return 'wiki';
+	}
+}