feat: start basis of new web ui system on CRA

packages/api/handlers/revoke-session.ts

@@ -0,0 +1,27 @@
+import { SessionData } from '../../../src/common/types';
+import { formData, respond, userAgent, withSession } from '../utils/api-tools';
+import { botClientID, botClientSecret } from '../utils/config';
+import { Sessions } from '../utils/kv';
+
+export const RevokeSession = withSession(
+    (session: SessionData) => async (request: Request) => {
+        const tokenRequest = {
+            token: session.tokens.access_token,
+            client_id: botClientID,
+            client_secret: botClientSecret,
+        };
+
+        await fetch('https://discord.com/api/v8/oauth2/token/revoke', {
+            method: 'POST',
+            headers: {
+                'content-type': 'application/x-www-form-urlencoded',
+                'user-agent': userAgent,
+            },
+            body: formData(tokenRequest),
+        });
+
+        await Sessions.delete(session.sessionID);
+
+        return respond({ ok: true });
+    }
+);