chore: Extract authentication logic of the apps to their own classes

packages/backend/src/apps/twilio/index.ts

@@ -1,37 +1,9 @@
-import TwilioApi from 'twilio';
-import App from '../../models/app';
+import Authentication from './authentication';
 
 export default class Twilio {
-  client: any
-  connectionData: any
-  appData: any
+  authenticationClient: any;
 
   constructor(connectionData: any) {
-    this.client = TwilioApi(connectionData.accountSid, connectionData.authToken);
-
-    this.connectionData = connectionData;
-    this.appData = App.findOneByKey('twilio');
-  }
-
-  async verifyCredentials() {
-    await this.verify();
-
-    return {
-      screenName: this.connectionData.accountSid
-    }
-  }
-
-  async verify() {
-    try {
-      await this.client.keys.list({ limit: 1 })
-      return true;
-    } catch(error) {
-      // Test credentials throw HTTP 403 and thus, we need to have an exception.
-      return error?.status === 403;
-    }
-  }
-
-  async isStillVerified() {
-    return this.verify();
+    this.authenticationClient = new Authentication(connectionData);
   }
 }