Merge pull request #1679 from hackmdio/bugfix/fix-no-referrer-for-return-url

Handle when request url has no valid referer

Author: a60814billy

lib/auth/utils.js

@@ -8,8 +8,15 @@ exports.setReturnToFromReferer = function setReturnToFromReferer (req) {
   if (!req.session) req.session = {}
 
   var referer = req.get('referer')
-  var refererSearchParams = new URLSearchParams(new URL(referer).search)
-  var nextURL = refererSearchParams.get('next')
+  var nextURL
+  if (referer) {
+    try {
+      var refererSearchParams = new URLSearchParams(new URL(referer).search)
+      nextURL = refererSearchParams.get('next')
+    } catch (err) {
+      logger.warn(err)
+    }
+  }
 
   if (nextURL) {
     var isRelativeNextURL = nextURL.indexOf('://') === -1 && !nextURL.startsWith('//')