From 6412412ce76e42adb7b1f899f7eebc704b8d6416 Mon Sep 17 00:00:00 2001
From: Eric Avdey <eiri@eiri.ca>
Date: Mon, 30 Jan 2017 15:27:59 -0400
Subject: [PATCH] Don't crash on unexpected validation's error type

Validation function can throw JSON with error
type different than forbidden or unauthorized.

This patch makes couch return unknown_error
instead of crashing query server.

COUCHDB-3286
---
 src/couch_query_servers.erl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/couch_query_servers.erl b/src/couch_query_servers.erl
index ea7628e4..92d9e243 100644
--- a/src/couch_query_servers.erl
+++ b/src/couch_query_servers.erl
@@ -289,6 +289,8 @@ validate_doc_update(DDoc, EditDoc, DiskDoc, Ctx, SecObj) ->
             throw({forbidden, Message});
         {[{<<"unauthorized">>, Message}]} ->
             throw({unauthorized, Message});
+        {[{_, Message}]} ->
+            throw({unknown_error, Message});
         Message when is_binary(Message) ->
             throw({unknown_error, Message})
     end.