AntiScam Checks

src/events/antiscam.ts

@@ -0,0 +1,31 @@
+import { Events, GuildMember, Message, MessageFlags } from "discord.js";
+import Messages from "../util/messages";
+
+const URL_REGEX =
+    /(?:http[s]?:\/\/.)?(?:www\.)?[-a-zA-Z0-9@%._\+~#=]{2,256}\.[a-z]{2,6}\b(?:[-a-zA-Z0-9@:%_\+.~#?&\/\/=]*)/g;
+
+const isStaff = (author: GuildMember) =>
+    author.permissions.has("ManageMessages");
+
+export default {
+    name: Events.MessageCreate,
+
+    async execute(message: Message) {
+        const content = message.content;
+
+        const linkAmount = Array.from(content.matchAll(URL_REGEX));
+        const guildMember = message.guild?.members.cache.get(message.author.id);
+        if (linkAmount.length == 4 && guildMember && !isStaff(guildMember)) {
+            try {
+                const reply = await message.reply(
+                    Messages.error("This message contains potential scam material.")
+                );
+                await message.delete();
+
+                setTimeout(() => reply.delete().catch(() => { }), 3000);
+            } catch (error) {
+                // this should never happen but this is so the bot doesnt disconect.
+            }
+        }
+    },
+};