From e8a4b1eda5be3fdc29fe3d2dca1712d5a4ac67f4 Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Tue, 22 Aug 2017 17:56:29 +0100
Subject: [PATCH] error-check !github react before calling Github

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
---
 src/github.com/matrix-org/go-neb/services/github/github.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/github.com/matrix-org/go-neb/services/github/github.go b/src/github.com/matrix-org/go-neb/services/github/github.go
index 4902ad2..f4a968c 100644
--- a/src/github.com/matrix-org/go-neb/services/github/github.go
+++ b/src/github.com/matrix-org/go-neb/services/github/github.go
@@ -151,6 +151,9 @@ func (s *Service) cmdGithubReact(roomID, userID string, args []string) (interfac
 	if len(args) < 2 {
 		return &gomatrix.TextMessage{"m.notice", "Usage: " + cmdGithubReactUsage}, nil
 	}
+	if args[1] != "+1" && args[1] != "-1" && args[1] != "laugh" && args[1] != "confused" && args[1] != "heart" && args[1] != "hooray" {
+		return &gomatrix.TextMessage{"m.notice", "Invalid reaction. Usage: " + cmdGithubReactUsage}, nil
+	}
 
 	// get owner,repo,issue,resp out of args[0]
 	owner, repo, issueNum, resp := s.getIssueDetailsFor(args[0], roomID, cmdGithubReactUsage)