Add missing samp tags and closing kbd tag

[lhc/web/wiklou.git] / includes / GlobalFunctions.php

diff --git a/includes/GlobalFunctions.php b/includes/GlobalFunctions.php
index 5c42bc2..d5c6553 100644 (file)
--- a/includes/GlobalFunctions.php
+++ b/includes/GlobalFunctions.php
@@ -30,7 +30,6 @@ use MediaWiki\Session\SessionManager;
 
 // Hide compatibility functions from Doxygen
 /// @cond
-
 /**
  * Compatibility functions
  *
@@ -501,12 +500,26 @@ function wfAppendQuery( $url, $query ) {
                $query = wfArrayToCgi( $query );
        }
        if ( $query != '' ) {
+               // Remove the fragment, if there is one
+               $fragment = false;
+               $hashPos = strpos( $url, '#' );
+               if ( $hashPos !== false ) {
+                       $fragment = substr( $url, $hashPos );
+                       $url = substr( $url, 0, $hashPos );
+               }
+
+               // Add parameter
                if ( false === strpos( $url, '?' ) ) {
                        $url .= '?';
                } else {
                        $url .= '&';
                }
                $url .= $query;
+
+               // Put the fragment back
+               if ( $fragment !== false ) {
+                       $url .= $fragment;
+               }
        }
        return $url;
 }
@@ -2120,6 +2133,24 @@ function wfTempDir() {
                        return $tmp;
                }
        }
+
+       /**
+        * PHP on Windows will detect C:\Windows\Temp as not writable even though PHP can write to it
+        * so create a directory within that called 'mwtmp' with a suffix of the user running the
+        * current process.
+        * The user is included as if various scripts are run by different users they will likely
+        * not be able to access each others temporary files.
+        */
+       if ( wfIsWindows() ) {
+               $tmp = sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'mwtmp' . '-' . get_current_user();
+               if ( !file_exists( $tmp ) ) {
+                       mkdir( $tmp );
+               }
+               if ( file_exists( $tmp ) && is_dir( $tmp ) && is_writable( $tmp ) ) {
+                       return $tmp;
+               }
+       }
+
        throw new MWException( 'No writable temporary directory could be found. ' .
                'Please set $wgTmpDirectory to a writable directory.' );
 }
@@ -2425,6 +2456,15 @@ function wfShellExec( $cmd, &$retval = null, $environ = [],
        }
        wfDebug( "wfShellExec: $cmd\n" );
 
+       // Don't try to execute commands that exceed Linux's MAX_ARG_STRLEN.
+       // Other platforms may be more accomodating, but we don't want to be
+       // accomodating, because very long commands probably include user
+       // input. See T129506.
+       if ( strlen( $cmd ) > SHELL_MAX_ARG_STRLEN ) {
+               throw new Exception( __METHOD__ .
+                       '(): total length of $cmd must not exceed SHELL_MAX_ARG_STRLEN' );
+       }
+
        $desc = [
                0 => [ 'file', 'php://stdin', 'r' ],
                1 => [ 'pipe', 'w' ],
@@ -3109,6 +3149,9 @@ function wfSplitWikiID( $wiki ) {
  * Note 2: use $this->getDB() in maintenance scripts that may be invoked by
  * updater to ensure that a proper database is being updated.
  *
+ * @todo Replace calls to wfGetDB with calls to LoadBalancer::getConnection()
+ *       on an injected instance of LoadBalancer.
+ *
  * @return DatabaseBase
  */
 function wfGetDB( $db, $groups = [], $wiki = false ) {
@@ -3118,20 +3161,30 @@ function wfGetDB( $db, $groups = [], $wiki = false ) {
 /**
  * Get a load balancer object.
  *
+ * @deprecated since 1.27, use MediaWikiServices::getDBLoadBalancer()
+ *              or MediaWikiServices::getDBLoadBalancerFactory() instead.
+ *
  * @param string|bool $wiki Wiki ID, or false for the current wiki
  * @return LoadBalancer
  */
 function wfGetLB( $wiki = false ) {
-       return wfGetLBFactory()->getMainLB( $wiki );
+       if ( $wiki === false ) {
+               return \MediaWiki\MediaWikiServices::getInstance()->getDBLoadBalancer();
+       } else {
+               $factory = \MediaWiki\MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
+               return $factory->getMainLB( $wiki );
+       }
 }
 
 /**
  * Get the load balancer factory object
  *
+ * @deprecated since 1.27, use MediaWikiServices::getDBLoadBalancerFactory() instead.
+ *
  * @return LBFactory
  */
 function wfGetLBFactory() {
-       return LBFactory::singleton();
+       return \MediaWiki\MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
 }
 
 /**