From: Sarah Hoffmann <lonvia@denofr.de>
Date: Sat, 15 Jul 2023 14:31:39 +0000 (+0200)
Subject: block search queries with too many tokens
X-Git-Tag: v4.3.0~51^2~4
X-Git-Url: https://git.openstreetmap.org./nominatim.git/commitdiff_plain/412bd2ec20575277970beed40e46912d2d7b9f6d

block search queries with too many tokens
---

diff --git a/nominatim/api/search/token_assignment.py b/nominatim/api/search/token_assignment.py
index c05c271a..7f75505c 100644
--- a/nominatim/api/search/token_assignment.py
+++ b/nominatim/api/search/token_assignment.py
@@ -265,6 +265,10 @@ class _TokenSequence:
         """
         base = TokenAssignment.from_ranges(self.seq)
 
+        num_addr_tokens = sum(t.end - t.start for t in base.address)
+        if num_addr_tokens > 50:
+            return
+
         # Postcode search (postcode-only search is covered in next case)
         if base.postcode is not None and base.address:
             if (base.postcode.start == 0 and self.direction != -1)\