From cb717aede235ce1b7b49f7417ec198fe2b4c4ccb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Vantomme?= <fvantomme@synbioz.com>
Date: Wed, 14 Apr 2021 21:56:36 +0200
Subject: [PATCH] Fix (GraphQL): raise exception when blob is missing

Failures:

  1) API::V2::GraphqlController when authenticated mutations dossierEnvoyerMessage upload error should fail
     Failure/Error: expect(gql_errors).to eq(nil)

       expected: nil
            got: [{:backtrace=>["/usr/local/bundle/ruby/2.7.0/gems/graphql-1.12.5/lib/graphql/backtrace/tracer.rb:64:i...]
---
 app/graphql/mutations/base_mutation.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/graphql/mutations/base_mutation.rb b/app/graphql/mutations/base_mutation.rb
index aea9ca2a8..652046a06 100644
--- a/app/graphql/mutations/base_mutation.rb
+++ b/app/graphql/mutations/base_mutation.rb
@@ -5,6 +5,8 @@ module Mutations
     def validate_blob(blob_id)
       begin
         blob = ActiveStorage::Blob.find_signed(blob_id)
+        raise ActiveSupport::MessageVerifier::InvalidSignature if blob.nil?
+
         # open downloads the file and checks its hash
         blob.open { |f| }
         true