allow numbers to be passed via std.in (numbers are valid json, but crashed when we tried to access them in a hash way. This is now prevented.)

2018-03-01 16:09:29 +01:00
parent 6f95c1b41c
commit 1004acd1d5
1 changed files with 1 additions and 1 deletions
--- a/app/controllers/submissions_controller.rb
+++ b/app/controllers/submissions_controller.rb
@ -167,7 +167,7 @@ class SubmissionsController < ApplicationController
          # if the command is 'client_kill', send it to docker otherwise.
          begin
            parsed = JSON.parse(data)
-            if parsed['cmd'] == 'client_kill'
+            if parsed.class == Hash && parsed['cmd'] == 'client_kill'
              Rails.logger.debug("Client exited container.")
              @docker_client.kill_container(result[:container])
            else