Refactor bot. (#8)

src/filters.ts

@@ -0,0 +1,34 @@
+import * as BuildConfig from './constants';
+import { Message } from 'discord.js';
+import { isBad } from './badLinks';
+import urlRegex from 'url-regex';
+
+// true if message is ok, false if filtered
+export async function filterMessage(e: Message): Promise<boolean> {
+  // url matcher
+  const urlMatches = [...e.content.matchAll(urlRegex())];
+
+  if (urlMatches.length) {
+    console.log('Found links in message from', e.author.tag);
+
+    for (const match of urlMatches) {
+      console.log('[link]', match[0]);
+      if (await isBad(match[0])) {
+        await e.reply({
+          embeds: [
+            {
+              title: 'Hold on!',
+              description:
+                'There seems to be a phishing / malware link in your message.',
+              color: 'RED',
+            },
+          ],
+        });
+
+        return false;
+      }
+    }
+  }
+
+  return true;
+}