✨ add /oauth2/token to retrieve refresh token via HTTP

Author: vogelskamp

src/index.ts

@@ -150,6 +150,8 @@ export function start(
     controller.oAuth2Callback(req, res),
   );
 
+  app.get('/oauth2/token', (req, res) => controller.oAuth2Token(req, res));
+
   app.get('/account/id', (req, res, next) =>
     controller.getAccountId(req, res, next),
   );

src/models/controller.model.ts

@@ -1329,6 +1329,27 @@ export class Controller {
     }
   }
 
+  public async oAuth2Token(req: Request, res: Response): Promise<string> {
+    try {
+      if (!this.adapter.handleOAuth2Callback) {
+        throw new ServerError(501, 'OAuth2 flow not implemented');
+      }
+
+      const { apiKey } = await this.adapter.handleOAuth2Callback(req, res);
+
+      return apiKey;
+    } catch (error) {
+      errorLogger(
+        'oAuth2Callback',
+        'Unable to save OAuth2 token:',
+        '',
+        error || 'Unknown',
+      );
+
+      throw error;
+    }
+  }
+
   public async getAccountId(
     req: BridgeRequest<unknown>,
     res: Response,