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

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

@@ -1,68 +1,9 @@
-import FlickrApi from 'flickr-sdk';
-import App from '../../models/app';
-import Field from '../../types/field';
+import Authentication from './authentication'
 
 export default class Flickr {
-  oauthClient: any
-  client: any
-  connectionData: any
-  appData: any
+  authenticationClient: any
 
   constructor(connectionData: any) {
-    this.oauthClient = new FlickrApi.OAuth(connectionData.consumerKey, connectionData.consumerSecret);
-
-    if (connectionData.accessToken && connectionData.accessSecret) {
-      this.client = new FlickrApi(
-        FlickrApi.OAuth.createPlugin(
-          connectionData.consumerKey,
-          connectionData.consumerSecret,
-          connectionData.accessToken,
-          connectionData.accessSecret,
-        )
-      );
-    }
-
-    this.connectionData = connectionData;
-    this.appData = App.findOneByKey('flickr');
-  }
-
-  async createAuthData() {
-    const appFields = this.appData.fields.find((field: Field) => field.key == 'oAuthRedirectUrl')
-    const callbackUrl = appFields.value;
-
-    const oauthData = (await this.oauthClient.request(callbackUrl)).body;
-    const url = await this.oauthClient.authorizeUrl(oauthData.oauth_token, 'delete');
-
-    return {
-      accessToken: oauthData.oauth_token,
-      accessSecret: oauthData.oauth_token_secret,
-      url: url,
-    };
-  }
-
-  async verifyCredentials() {
-    const verifiedCredentials = (await this.oauthClient.verify(
-      this.connectionData.accessToken,
-      this.connectionData.oauthVerifier,
-      this.connectionData.accessSecret
-    )).body;
-
-    return {
-      consumerKey: this.connectionData.consumerKey,
-      consumerSecret: this.connectionData.consumerSecret,
-      accessToken: verifiedCredentials.oauth_token,
-      accessSecret: verifiedCredentials.oauth_token_secret,
-      userId: verifiedCredentials.user_nsid,
-      screenName: verifiedCredentials.fullname
-    }
-  }
-
-  async isStillVerified() {
-    try {
-      await this.client.test.login();
-      return true;
-    } catch {
-      return false;
-    }
+    this.authenticationClient = new Authentication(connectionData);
   }
 }