From b5391f8ec8d01fca748c1771c10e5074c364d5bd Mon Sep 17 00:00:00 2001
From: Mike Pennisi <mike@mikepennisi.com>
Date: Fri, 3 Jul 2020 17:22:33 -0400
Subject: [PATCH] "ignore"/"unignore" commands: validate user ID

Extend the accepted patterns so that users are alerted about invalid
input. These patterns are approximations of the Matrix user ID grammer.

Resolves https://github.com/vector-im/riot-web/issues/12743
---
 src/SlashCommands.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/SlashCommands.tsx b/src/SlashCommands.tsx
index f667c47b3c..11c955749d 100644
--- a/src/SlashCommands.tsx
+++ b/src/SlashCommands.tsx
@@ -660,7 +660,7 @@ export const Commands = [
             if (args) {
                 const cli = MatrixClientPeg.get();
 
-                const matches = args.match(/^(\S+)$/);
+                const matches = args.match(/^(@[^:]+:\S+)$/);
                 if (matches) {
                     const userId = matches[1];
                     const ignoredUsers = cli.getIgnoredUsers();
@@ -690,7 +690,7 @@ export const Commands = [
             if (args) {
                 const cli = MatrixClientPeg.get();
 
-                const matches = args.match(/^(\S+)$/);
+                const matches = args.match(/(^@[^:]+:\S+$)/);
                 if (matches) {
                     const userId = matches[1];
                     const ignoredUsers = cli.getIgnoredUsers();