Merge remote-tracking branch 'refs/remotes/upstream/master'

1 files changed, 21 insertions, 3 deletions

diff --git a/lib/helper.php b/lib/helper.php
index 540a7dceb3e..1a634075bd1 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -190,8 +190,9 @@ class OC_Helper {
 		if(isset($alias[$mimetype])) {
 			$mimetype=$alias[$mimetype];
 		}
-		// Replace slash with a minus
+		// Replace slash and backslash with a minus
 		$mimetype = str_replace( "/", "-", $mimetype );
+		$mimetype = str_replace( "\\", "-", $mimetype );
 
 		// Is it a dir?
 		if( $mimetype == "dir" ) {
@@ -676,8 +677,8 @@ class OC_Helper {
 		$start = intval($start);
 		$length = intval($length);
 		$string = mb_substr($string, 0, $start, $encoding) .
-		          $replacement .
-		          mb_substr($string, $start+$length, mb_strlen($string, 'UTF-8')-$start, $encoding);
+			$replacement .
+			mb_substr($string, $start+$length, mb_strlen($string, 'UTF-8')-$start, $encoding);
 
 		return $string;
 	}
@@ -746,6 +747,23 @@ class OC_Helper {
 	}
 
 	/**
+	 * @brief calculates the maximum upload size respecting system settings, free space and user quota
+	 *
+	 * @param $dir the current folder where the user currently operates
+	 * @return number of bytes representing
+	 */
+	public static function maxUploadFilesize($dir) {
+		$upload_max_filesize = OCP\Util::computerFileSize(ini_get('upload_max_filesize'));
+		$post_max_size = OCP\Util::computerFileSize(ini_get('post_max_size'));
+		$maxUploadFilesize = min($upload_max_filesize, $post_max_size);
+
+		$freeSpace = OC_Filesystem::free_space($dir);
+		$freeSpace = max($freeSpace, 0);
+
+		return min($maxUploadFilesize, $freeSpace);
+	}
+
+	/**
 	 * Checks if a function is available
 	 * @param string $function_name
 	 * @return bool