Fix path to oath when dev impersonating a user

backend/src/routes/api/dev-impersonate/index.ts

@@ -6,6 +6,7 @@ import { KubeFastifyInstance } from '../../../types';
 import { DEV_IMPERSONATE_PASSWORD, DEV_IMPERSONATE_USER } from '../../../utils/constants';
 import { createCustomError } from '../../../utils/requestUtils';
 import { devRoute } from '../../../utils/route-security';
+import { isRHOAI } from '../../../utils/resourceUtils';
 
 export default async (fastify: KubeFastifyInstance): Promise<void> => {
   fastify.post(
@@ -16,7 +17,8 @@ export default async (fastify: KubeFastifyInstance): Promise<void> => {
         if (doImpersonate) {
           const apiPath = fastify.kube.config.getCurrentCluster().server;
           const namedHost = apiPath.slice('https://api.'.length).split(':')[0];
-          const url = `https://oauth-openshift.apps.${namedHost}/oauth/authorize?response_type=token&client_id=openshift-challenging-client`;
+          const oathPrefix = isRHOAI(fastify) ? 'oauth' : 'oauth-openshift';
+          const url = `https://${oathPrefix}.${namedHost}/oauth/authorize?response_type=token&client_id=openshift-challenging-client`;
           // Custom call, don't use proxy
           const httpsRequest = https
             .get(