From 63601400e476c6cf43d985f3e7b9864681695ed4 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Fri, 18 Jan 2013 16:46:04 +0100
Subject: Update to MediaWiki 1.20.2

this update includes:
* adjusted Arch Linux skin
* updated FluxBBAuthPlugin
* patch for https://bugzilla.wikimedia.org/show_bug.cgi?id=44024
---
 includes/filebackend/TempFSFile.php | 121 ++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 includes/filebackend/TempFSFile.php

(limited to 'includes/filebackend/TempFSFile.php')

diff --git a/includes/filebackend/TempFSFile.php b/includes/filebackend/TempFSFile.php
new file mode 100644
index 00000000..5032bf68
--- /dev/null
+++ b/includes/filebackend/TempFSFile.php
@@ -0,0 +1,121 @@
+<?php
+/**
+ * Location holder of files stored temporarily
+ *
+ * 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 FileBackend
+ */
+
+/**
+ * This class is used to hold the location and do limited manipulation
+ * of files stored temporarily (this will be whatever wfTempDir() returns)
+ *
+ * @ingroup FileBackend
+ */
+class TempFSFile extends FSFile {
+	protected $canDelete = false; // bool; garbage collect the temp file
+
+	/** @var Array of active temp files to purge on shutdown */
+	protected static $instances = array();
+
+	/**
+	 * Make a new temporary file on the file system.
+	 * Temporary files may be purged when the file object falls out of scope.
+	 *
+	 * @param $prefix string
+	 * @param $extension string
+	 * @return TempFSFile|null
+	 */
+	public static function factory( $prefix, $extension = '' ) {
+		wfProfileIn( __METHOD__ );
+		$base = wfTempDir() . '/' . $prefix . wfRandomString( 12 );
+		$ext = ( $extension != '' ) ? ".{$extension}" : "";
+		for ( $attempt = 1; true; $attempt++ ) {
+			$path = "{$base}-{$attempt}{$ext}";
+			wfSuppressWarnings();
+			$newFileHandle = fopen( $path, 'x' );
+			wfRestoreWarnings();
+			if ( $newFileHandle ) {
+				fclose( $newFileHandle );
+				break; // got it
+			}
+			if ( $attempt >= 5 ) {
+				wfProfileOut( __METHOD__ );
+				return null; // give up
+			}
+		}
+		$tmpFile = new self( $path );
+		$tmpFile->canDelete = true; // safely instantiated
+		wfProfileOut( __METHOD__ );
+		return $tmpFile;
+	}
+
+	/**
+	 * Purge this file off the file system
+	 *
+	 * @return bool Success
+	 */
+	public function purge() {
+		$this->canDelete = false; // done
+		wfSuppressWarnings();
+		$ok = unlink( $this->path );
+		wfRestoreWarnings();
+		return $ok;
+	}
+
+	/**
+	 * Clean up the temporary file only after an object goes out of scope
+	 *
+	 * @param $object Object
+	 * @return void
+	 */
+	public function bind( $object ) {
+		if ( is_object( $object ) ) {
+			$object->tempFSFileReferences[] = $this;
+		}
+	}
+
+	/**
+	 * Set flag to not clean up after the temporary file
+	 *
+	 * @return void
+	 */
+	public function preserve() {
+		$this->canDelete = false;
+	}
+
+	/**
+	 * Set flag clean up after the temporary file
+	 *
+	 * @return void
+	 */
+	public function autocollect() {
+		$this->canDelete = true;
+	}
+
+	/**
+	 * Cleans up after the temporary file by deleting it
+	 */
+	function __destruct() {
+		if ( $this->canDelete ) {
+			wfSuppressWarnings();
+			unlink( $this->path );
+			wfRestoreWarnings();
+		}
+	}
+}
-- 
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