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authorPierre Schmitz <pierre@archlinux.de>2014-12-27 15:41:37 +0100
committerPierre Schmitz <pierre@archlinux.de>2014-12-31 11:43:28 +0100
commitc1f9b1f7b1b77776192048005dcc66dcf3df2bfb (patch)
tree2b38796e738dd74cb42ecd9bfd151803108386bc /includes/ScopedPHPTimeout.php
parentb88ab0086858470dd1f644e64cb4e4f62bb2be9b (diff)
Update to MediaWiki 1.24.1
Diffstat (limited to 'includes/ScopedPHPTimeout.php')
-rw-r--r--includes/ScopedPHPTimeout.php84
1 files changed, 0 insertions, 84 deletions
diff --git a/includes/ScopedPHPTimeout.php b/includes/ScopedPHPTimeout.php
deleted file mode 100644
index d1493c30..00000000
--- a/includes/ScopedPHPTimeout.php
+++ /dev/null
@@ -1,84 +0,0 @@
-<?php
-/**
- * Expansion of the PHP execution time limit feature for a function call.
- *
- * 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
- */
-
-/**
- * Class to expand PHP execution time for a function call.
- * Use this when performing changes that should not be interrupted.
- *
- * On construction, set_time_limit() is called and set to $seconds.
- * If the client aborts the connection, PHP will continue to run.
- * When the object goes out of scope, the timer is restarted, with
- * the original time limit minus the time the object existed.
- */
-class ScopedPHPTimeout {
- protected $startTime; // float; seconds
- protected $oldTimeout; // integer; seconds
- protected $oldIgnoreAbort; // boolean
-
- protected static $stackDepth = 0; // integer
- protected static $totalCalls = 0; // integer
- protected static $totalElapsed = 0; // float; seconds
-
- /* Prevent callers in infinite loops from running forever */
- const MAX_TOTAL_CALLS = 1000000;
- const MAX_TOTAL_TIME = 300; // seconds
-
- /**
- * @param $seconds integer
- */
- public function __construct( $seconds ) {
- if ( ini_get( 'max_execution_time' ) > 0 ) { // CLI uses 0
- if ( self::$totalCalls >= self::MAX_TOTAL_CALLS ) {
- trigger_error( "Maximum invocations of " . __CLASS__ . " exceeded." );
- } elseif ( self::$totalElapsed >= self::MAX_TOTAL_TIME ) {
- trigger_error( "Time limit within invocations of " . __CLASS__ . " exceeded." );
- } elseif ( self::$stackDepth > 0 ) { // recursion guard
- trigger_error( "Resursive invocation of " . __CLASS__ . " attempted." );
- } else {
- $this->oldIgnoreAbort = ignore_user_abort( true );
- $this->oldTimeout = ini_set( 'max_execution_time', $seconds );
- $this->startTime = microtime( true );
- ++self::$stackDepth;
- ++self::$totalCalls; // proof against < 1us scopes
- }
- }
- }
-
- /**
- * Restore the original timeout.
- * This does not account for the timer value on __construct().
- */
- public function __destruct() {
- if ( $this->oldTimeout ) {
- $elapsed = microtime( true ) - $this->startTime;
- // Note: a limit of 0 is treated as "forever"
- set_time_limit( max( 1, $this->oldTimeout - (int)$elapsed ) );
- // If each scoped timeout is for less than one second, we end up
- // restoring the original timeout without any decrease in value.
- // Thus web scripts in an infinite loop can run forever unless we
- // take some measures to prevent this. Track total time and calls.
- self::$totalElapsed += $elapsed;
- --self::$stackDepth;
- ignore_user_abort( $this->oldIgnoreAbort );
- }
- }
-}