Fix bug oc-542, encode urls for private links

apps/files_sharing/ajax/getitem.php

@@ -19,7 +19,7 @@ while ($path != $userDirectory) {
 					$item['privateLink'] = $token;
 				} else {
 					// If in parent folder, include a path parameter to get direct access to file
-					$item['privateLink'] = $token.'&path='.substr($source, strlen($path));
+					$item['privateLink'] = $token.'&path='.str_replace('%2F', '/', str_replace('+', '%20', urlencode(substr($source, strlen($path)))));;
 				}
 			} else {
 				// Check if uid_shared_with is a group

apps/files_sharing/js/share.js

@@ -179,7 +179,7 @@ OC.Share={
 		$('#privateLinkCheckbox').attr('checked', true);
 		var link = parent.location.protocol+'//'+location.host+OC.linkTo('', 'public.php')+'?service=files&token='+token;
 		if (token.indexOf('&path=') == -1) {
-			link += '&file=' + item;
+			link += '&file=' + encodeURIComponent(item);
 		} else {
 			// Disable checkbox if inside a shared parent folder
 			$('#privateLinkCheckbox').attr('disabled', 'true');