[logindex] Handle parsing error related to empty string in referrer f…

…ield
lovett · Nov 8, 2018 · 8ee6fab · 8ee6fab
1 parent 16a6dc1
commit 8ee6fab
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/plugins/parse.py b/plugins/parse.py
@@ -435,6 +435,10 @@ def parse_appengine(self, val):
         if val.count('"') % 2 > 0:
             val = '{}"'.format(val)
 
+        # Sanity check to avoid problems with an empty double-quoted
+        # string for the referrer field.
+        val = val.replace(' "" "', ' - "')
+
         try:
             fields = self.appengine_grammar.parseString(val).asDict()
         except pp.ParseException as exception: