Ticket #5984: get_temp_dir.diff

wp-admin/includes/file.php

@@ -42 +42 @@
         return $real_file;
 }
 
+function get_temp_dir() {
+        if ( defined('WP_TEMP_DIR') )
+                return trailingslashit(WP_TEMP_DIR);
+
+        $temp = ABSPATH . 'wp-content/';
+        if ( is_dir($temp) && is_writable($temp) )
+                return $temp;
+
+        if  ( function_exists('sys_get_temp_dir') )
+                return trailingslashit(sys_get_temp_dir());
+
+        return '/tmp/';
+}
+
 function validate_file( $file, $allowed_files = '' ) {
         if ( false !== strpos( $file, '..' ))
                 return 1;
@@ -182 +196 @@
         if( ! $url )
                 return false;
 
-        $tmpfname = tempnam('/tmp', 'wpupdate');
+        $tmpfname = tempnam(get_temp_dir(), 'wpupdate');
         if( ! $tmpfname )
                 return false;
 
@@ -288 +302 @@
 }
 
 function get_filesystem_method() {
-        $tempFile = tempnam('/tmp', 'WPU');
+        $tempFile = tempnam(get_temp_dir(), 'WPU');
 
         if ( getmyuid() == fileowner($tempFile) ) {
                 unlink($tempFile);