From ca32f08966f1b51fcb19460f0996bb0c4048e6fe Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Sat, 3 Dec 2011 13:29:22 +0100
Subject: Update to MediaWiki 1.18.0

* also update ArchLinux skin to chagnes in MonoBook
* Use only css to hide our menu bar when printing
---
 includes/revisiondelete/RevisionDeleteUser.php | 130 +++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 includes/revisiondelete/RevisionDeleteUser.php

(limited to 'includes/revisiondelete/RevisionDeleteUser.php')

diff --git a/includes/revisiondelete/RevisionDeleteUser.php b/includes/revisiondelete/RevisionDeleteUser.php
new file mode 100644
index 00000000..c88b4d91
--- /dev/null
+++ b/includes/revisiondelete/RevisionDeleteUser.php
@@ -0,0 +1,130 @@
+<?php
+/**
+ * Backend functions for suppressing and unsuppressing all references to a given user,
+ * used when blocking with HideUser enabled.  This was spun out of SpecialBlockip.php
+ * in 1.18; at some point it needs to be rewritten to either use RevisionDelete abstraction,
+ * or at least schema abstraction.
+ *
+ * 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 RevisionDelete
+ */
+class RevisionDeleteUser {
+
+	/**
+	 * Update *_deleted bitfields in various tables to hide or unhide usernames
+	 * @param  $name String username
+	 * @param  $userId Int user id
+	 * @param  $op String operator '|' or '&'
+	 * @param  $dbw null|Database, if you happen to have one lying around
+	 * @return bool
+	 */
+	private static function setUsernameBitfields( $name, $userId, $op, $dbw ) {
+		if( $op !== '|' && $op !== '&' ){
+			return false; // sanity check
+		}
+		if( !$dbw instanceof DatabaseBase ){
+			$dbw = wfGetDB( DB_MASTER );
+		}
+
+		# To suppress, we OR the current bitfields with Revision::DELETED_USER
+		# to put a 1 in the username *_deleted bit. To unsuppress we AND the
+		# current bitfields with the inverse of Revision::DELETED_USER. The
+		# username bit is made to 0 (x & 0 = 0), while others are unchanged (x & 1 = x).
+		# The same goes for the sysop-restricted *_deleted bit.
+		$delUser = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
+		$delAction = LogPage::DELETED_ACTION | Revision::DELETED_RESTRICTED;
+		if( $op == '&' ) {
+			$delUser = "~{$delUser}";
+			$delAction = "~{$delAction}";
+		}
+
+		# Normalize user name
+		$userTitle = Title::makeTitleSafe( NS_USER, $name );
+		$userDbKey = $userTitle->getDBkey();
+
+		# Hide name from live edits
+		$dbw->update(
+			'revision',
+			array( "rev_deleted = rev_deleted $op $delUser" ),
+			array( 'rev_user' => $userId ),
+			__METHOD__ );
+
+		# Hide name from deleted edits
+		$dbw->update(
+			'archive',
+			array( "ar_deleted = ar_deleted $op $delUser" ),
+			array( 'ar_user_text' => $name ),
+			__METHOD__
+		);
+
+		# Hide name from logs
+		$dbw->update(
+			'logging',
+			array( "log_deleted = log_deleted $op $delUser" ),
+			array( 'log_user' => $userId, "log_type != 'suppress'" ),
+			__METHOD__
+		);
+		$dbw->update(
+			'logging',
+			array( "log_deleted = log_deleted $op $delAction" ),
+			array( 'log_namespace' => NS_USER, 'log_title' => $userDbKey,
+				"log_type != 'suppress'" ),
+			__METHOD__
+		);
+
+		# Hide name from RC
+		$dbw->update(
+			'recentchanges',
+			array( "rc_deleted = rc_deleted $op $delUser" ),
+			array( 'rc_user_text' => $name ),
+			__METHOD__
+		);
+		$dbw->update(
+			'recentchanges',
+			array( "rc_deleted = rc_deleted $op $delAction" ),
+			array( 'rc_namespace' => NS_USER, 'rc_title' => $userDbKey, 'rc_logid > 0' ),
+			__METHOD__
+		);
+
+		# Hide name from live images
+		$dbw->update(
+			'oldimage',
+			array( "oi_deleted = oi_deleted $op $delUser" ),
+			array( 'oi_user_text' => $name ),
+			__METHOD__
+		);
+
+		# Hide name from deleted images
+		$dbw->update(
+			'filearchive',
+			array( "fa_deleted = fa_deleted $op $delUser" ),
+			array( 'fa_user_text' => $name ),
+			__METHOD__
+		);
+		# Done!
+		return true;
+	}
+
+	public static function suppressUserName( $name, $userId, $dbw = null ) {
+		return self::setUsernameBitfields( $name, $userId, '|', $dbw );
+	}
+
+	public static function unsuppressUserName( $name, $userId, $dbw = null ) {
+		return self::setUsernameBitfields( $name, $userId, '&', $dbw );
+	}
+}
\ No newline at end of file
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