refactor: rename proxy to frontend api (#6502)

src/lib/features/frontend-api/client-feature-toggle-read-model-type.ts

@@ -1,4 +1,4 @@
-import { IFeatureToggleClient } from '../types';
+import { IFeatureToggleClient } from '../../types';
 
 export interface IClientFeatureToggleReadModel {
     getAll(): Promise<Record<string, Record<string, IFeatureToggleClient>>>;

src/lib/features/frontend-api/client-feature-toggle-read-model.ts

@@ -1,11 +1,15 @@
 import { Knex } from 'knex';
-import { IFeatureToggleClient, IStrategyConfig, PartialDeep } from '../types';
+import {
-import { ensureStringValue, mapValues } from '../util';
+    IFeatureToggleClient,
-import { Db } from '../db/db';
+    IStrategyConfig,
-import FeatureToggleStore from '../features/feature-toggle/feature-toggle-store';
+    PartialDeep,
+} from '../../types';
+import { ensureStringValue, mapValues } from '../../util';
+import { Db } from '../../db/db';
+import FeatureToggleStore from '../feature-toggle/feature-toggle-store';
 import Raw = Knex.Raw;
-import metricsHelper from '../util/metrics-helper';
+import metricsHelper from '../../util/metrics-helper';
-import { DB_TIME } from '../metric-events';
+import { DB_TIME } from '../../metric-events';
 import EventEmitter from 'events';
 import { IClientFeatureToggleReadModel } from './client-feature-toggle-read-model-type';
 

src/lib/features/frontend-api/createFrontendApiService.ts

@@ -1,30 +1,30 @@
-import { ProxyService } from './proxy-service';
+import { FrontendApiService } from './frontend-api-service';
-import { SegmentReadModel } from '../features/segment/segment-read-model';
+import { SegmentReadModel } from '../segment/segment-read-model';
-import ClientMetricsServiceV2 from '../features/metrics/client-metrics/metrics-service-v2';
+import ClientMetricsServiceV2 from '../metrics/client-metrics/metrics-service-v2';
-import SettingService from '../services/setting-service';
+import SettingService from '../../services/setting-service';
-import SettingStore from '../db/setting-store';
+import SettingStore from '../../db/setting-store';
 import {
     createEventsService,
     createFakeEventsService,
     createFakeFeatureToggleService,
     createFeatureToggleService,
-} from '../features';
+} from '../index';
-import ConfigurationRevisionService from '../features/feature-toggle/configuration-revision-service';
+import ConfigurationRevisionService from '../feature-toggle/configuration-revision-service';
 import { GlobalFrontendApiCache } from './global-frontend-api-cache';
 import ClientFeatureToggleReadModel from './client-feature-toggle-read-model';
-import { FakeSegmentReadModel } from '../features/segment/fake-segment-read-model';
+import { FakeSegmentReadModel } from '../segment/fake-segment-read-model';
-import FakeSettingStore from '../../test/fixtures/fake-setting-store';
+import FakeSettingStore from '../../../test/fixtures/fake-setting-store';
 import FakeClientFeatureToggleReadModel from './fake-client-feature-toggle-read-model';
-import { IUnleashConfig } from '../types';
+import { IUnleashConfig } from '../../types';
-import { Db } from '../db/db';
+import { Db } from '../../db/db';
 
-export const createProxyService = (
+export const createFrontendApiService = (
     db: Db,
     config: IUnleashConfig,
     // client metrics service needs to be shared because it uses in-memory cache
     clientMetricsServiceV2: ClientMetricsServiceV2,
     configurationRevisionService: ConfigurationRevisionService,
-): ProxyService => {
+): FrontendApiService => {
     const segmentReadModel = new SegmentReadModel(db);
     const settingStore = new SettingStore(db, config.getLogger);
     const eventService = createEventsService(db, config);
@@ -45,7 +45,7 @@ export const createProxyService = (
         clientFeatureToggleReadModel,
         configurationRevisionService,
     );
-    return new ProxyService(
+    return new FrontendApiService(
         config,
         { segmentReadModel },
         {
@@ -58,11 +58,11 @@ export const createProxyService = (
     );
 };
 
-export const createFakeProxyService = (
+export const createFakeFrontendApiService = (
     config: IUnleashConfig,
     clientMetricsServiceV2: ClientMetricsServiceV2,
     configurationRevisionService: ConfigurationRevisionService,
-): ProxyService => {
+): FrontendApiService => {
     const segmentReadModel = new FakeSegmentReadModel();
     const settingStore = new FakeSettingStore();
     const eventService = createFakeEventsService(config);
@@ -80,7 +80,7 @@ export const createFakeProxyService = (
         clientFeatureToggleReadModel,
         configurationRevisionService,
     );
-    return new ProxyService(
+    return new FrontendApiService(
         config,
         { segmentReadModel },
         {

src/lib/features/frontend-api/fake-client-feature-toggle-read-model.ts

@@ -1,4 +1,4 @@
-import { IFeatureToggleClient } from '../types';
+import { IFeatureToggleClient } from '../../types';
 import { IClientFeatureToggleReadModel } from './client-feature-toggle-read-model-type';
 
 export default class FakeClientFeatureToggleReadModel

src/lib/features/frontend-api/frontend-api-controller.ts

@@ -1,8 +1,8 @@
 import { Request, Response } from 'express';
-import Controller from '../routes/controller';
+import Controller from '../../routes/controller';
-import { IUnleashConfig, IUnleashServices, NONE } from '../types';
+import { IUnleashConfig, IUnleashServices, NONE } from '../../types';
-import { Logger } from '../logger';
+import { Logger } from '../../logger';
-import { IApiUser } from '../types/api-user';
+import { IApiUser } from '../../types/api-user';
 import {
     ClientMetricsSchema,
     createRequestSchema,
@@ -13,12 +13,12 @@ import {
     ProxyFeatureSchema,
     proxyFeaturesSchema,
     ProxyFeaturesSchema,
-} from '../openapi';
+} from '../../openapi';
 import { Context } from 'unleash-client';
 import { enrichContextWithIp } from './index';
-import { corsOriginMiddleware } from '../middleware';
+import { corsOriginMiddleware } from '../../middleware';
-import NotImplementedError from '../error/not-implemented-error';
+import NotImplementedError from '../../error/not-implemented-error';
-import NotFoundError from '../error/notfound-error';
+import NotFoundError from '../../error/notfound-error';
 import rateLimit from 'express-rate-limit';
 import { minutesToMilliseconds } from 'date-fns';
 import isEqual from 'lodash.isequal';
@@ -34,7 +34,7 @@ interface ApiUserRequest<
 
 type Services = Pick<
     IUnleashServices,
-    'settingService' | 'proxyService' | 'openApiService'
+    'settingService' | 'frontendApiService' | 'openApiService'
 >;
 
 export default class FrontendAPIController extends Controller {
@@ -44,7 +44,7 @@ export default class FrontendAPIController extends Controller {
 
     constructor(config: IUnleashConfig, services: Services) {
         super(config);
-        this.logger = config.getLogger('proxy-api/index.ts');
+        this.logger = config.getLogger('frontend-api-controller.ts');
         this.services = services;
 
         // Support CORS requests for the frontend endpoints.
@@ -54,7 +54,7 @@ export default class FrontendAPIController extends Controller {
         this.route({
             method: 'get',
             path: '',
-            handler: this.getProxyFeatures,
+            handler: this.getFrontendApiFeatures,
             permission: NONE,
             middleware: [
                 this.services.openApiService.validPath({
@@ -89,7 +89,7 @@ export default class FrontendAPIController extends Controller {
         this.route({
             method: 'post',
             path: '/client/metrics',
-            handler: this.registerProxyMetrics,
+            handler: this.registerFrontendApiMetrics,
             permission: NONE,
             middleware: [
                 this.services.openApiService.validPath({
@@ -117,7 +117,7 @@ export default class FrontendAPIController extends Controller {
         this.route({
             method: 'post',
             path: '/client/register',
-            handler: this.registerProxyClient,
+            handler: this.registerFrontendApiClient,
             permission: NONE,
             middleware: [
                 this.services.openApiService.validPath({
@@ -168,7 +168,7 @@ export default class FrontendAPIController extends Controller {
         res.status(error.statusCode).json(error);
     }
 
-    private async getProxyFeatures(
+    private async getFrontendApiFeatures(
         req: ApiUserRequest,
         res: Response<ProxyFeaturesSchema>,
     ) {
@@ -179,11 +179,11 @@ export default class FrontendAPIController extends Controller {
         let newToggles: ProxyFeatureSchema[] = [];
         if (this.config.flagResolver.isEnabled('globalFrontendApiCache')) {
             [toggles, newToggles] = await Promise.all([
-                this.services.proxyService.getProxyFeatures(
+                this.services.frontendApiService.getFrontendApiFeatures(
                     req.user,
                     FrontendAPIController.createContext(req),
                 ),
-                this.services.proxyService.getNewProxyFeatures(
+                this.services.frontendApiService.getNewFrontendApiFeatures(
                     req.user,
                     FrontendAPIController.createContext(req),
                 ),
@@ -199,7 +199,8 @@ export default class FrontendAPIController extends Controller {
                 );
             }
         } else {
-            toggles = await this.services.proxyService.getProxyFeatures(
+            toggles =
+                await this.services.frontendApiService.getFrontendApiFeatures(
                     req.user,
                     FrontendAPIController.createContext(req),
                 );
@@ -221,7 +222,7 @@ export default class FrontendAPIController extends Controller {
         );
     }
 
-    private async registerProxyMetrics(
+    private async registerFrontendApiMetrics(
         req: ApiUserRequest<unknown, unknown, ClientMetricsSchema>,
         res: Response,
     ) {
@@ -234,7 +235,7 @@ export default class FrontendAPIController extends Controller {
             return;
         }
 
-        await this.services.proxyService.registerProxyMetrics(
+        await this.services.frontendApiService.registerFrontendApiMetrics(
             req.user,
             req.body,
             req.ip,
@@ -242,7 +243,7 @@ export default class FrontendAPIController extends Controller {
         res.sendStatus(200);
     }
 
-    private async registerProxyClient(
+    private async registerFrontendApiClient(
         req: ApiUserRequest<unknown, unknown, ProxyClientSchema>,
         res: Response<string>,
     ) {

src/lib/features/frontend-api/frontend-api-repository.ts

@@ -5,10 +5,10 @@ import {
     EnhancedFeatureInterface,
     FeatureInterface,
 } from 'unleash-client/lib/feature';
-import { IApiUser } from '../types/api-user';
+import { IApiUser } from '../../types/api-user';
-import { IUnleashConfig } from '../types';
+import { IUnleashConfig } from '../../types';
 import { UnleashEvents } from 'unleash-client';
-import { Logger } from '../logger';
+import { Logger } from '../../logger';
 import { GlobalFrontendApiCache } from './global-frontend-api-cache';
 
 type Config = Pick<IUnleashConfig, 'getLogger'>;

src/lib/features/frontend-api/frontend-api-service.ts

@@ -1,25 +1,24 @@
-import { IUnleashConfig, IUnleashServices, IUnleashStores } from '../types';
+import { IUnleashConfig, IUnleashServices, IUnleashStores } from '../../types';
-import { Logger } from '../logger';
+import { Logger } from '../../logger';
-import { ClientMetricsSchema, ProxyFeatureSchema } from '../openapi';
+import { ClientMetricsSchema, ProxyFeatureSchema } from '../../openapi';
-import ApiUser, { IApiUser } from '../types/api-user';
+import ApiUser, { IApiUser } from '../../types/api-user';
 import {
     Context,
     InMemStorageProvider,
     Unleash,
     UnleashEvents,
 } from 'unleash-client';
-import { ApiTokenType } from '../types/models/api-token';
+import { ApiTokenType } from '../../types/models/api-token';
 import {
     FrontendSettings,
     frontendSettingsKey,
-} from '../types/settings/frontend-settings';
+} from '../../types/settings/frontend-settings';
-import { validateOrigins } from '../util';
+import { validateOrigins } from '../../util';
-import { BadDataError, InvalidTokenError } from '../error';
+import { BadDataError, InvalidTokenError } from '../../error';
-import { PROXY_REPOSITORY_CREATED } from '../metric-events';
+import { PROXY_REPOSITORY_CREATED } from '../../metric-events';
-import { ProxyRepository } from './index';
 import { FrontendApiRepository } from './frontend-api-repository';
 import { GlobalFrontendApiCache } from './global-frontend-api-cache';
-import isEqual from 'lodash.isequal';
+import { ProxyRepository } from './proxy-repository';
 
 export type Config = Pick<
     IUnleashConfig,
@@ -36,7 +35,7 @@ export type Services = Pick<
     | 'configurationRevisionService'
 >;
 
-export class ProxyService {
+export class FrontendApiService {
     private readonly config: Config;
 
     private readonly logger: Logger;
@@ -50,7 +49,7 @@ export class ProxyService {
     /**
      * This is intentionally a Promise because we want to be able to await
      * until the client (which might be being created by a different request) is ready
-     * Check this test that fails if we don't use a Promise: src/test/e2e/api/proxy/proxy.concurrency.e2e.test.ts
+     * Check this test that fails if we don't use a Promise: frontend-api.concurrency.e2e.test.ts
      */
     private readonly clients: Map<ApiUser['secret'], Promise<Unleash>> =
         new Map();
@@ -66,17 +65,17 @@ export class ProxyService {
         globalFrontendApiCache: GlobalFrontendApiCache,
     ) {
         this.config = config;
-        this.logger = config.getLogger('services/proxy-service.ts');
+        this.logger = config.getLogger('services/frontend-api-service.ts');
         this.stores = stores;
         this.services = services;
         this.globalFrontendApiCache = globalFrontendApiCache;
     }
 
-    async getProxyFeatures(
+    async getFrontendApiFeatures(
         token: IApiUser,
         context: Context,
     ): Promise<ProxyFeatureSchema[]> {
-        const client = await this.clientForProxyToken(token);
+        const client = await this.clientForFrontendApiToken(token);
         const definitions = client.getFeatureToggleDefinitions() || [];
         const sessionId = context.sessionId || String(Math.random());
 
@@ -98,30 +97,11 @@ export class ProxyService {
             }));
     }
 
-    async compareToggleDefinitions(token: IApiUser) {
+    async getNewFrontendApiFeatures(
-        const oldClient = await this.clientForProxyToken(token);
-        const oldDefinitions = oldClient.getFeatureToggleDefinitions() || [];
-
-        const newClient = await this.newClientForProxyToken(token);
-        const newDefinitions = newClient.getFeatureToggleDefinitions() || [];
-
-        if (
-            !isEqual(
-                oldDefinitions.sort((a, b) => a.name.localeCompare(b.name)),
-                newDefinitions.sort((a, b) => a.name.localeCompare(b.name)),
-            )
-        ) {
-            this.logger.warn(
-                `old features definitions and new features definitions are different. Old definitions count ${oldDefinitions.length}, new count ${newDefinitions.length}`,
-            );
-        }
-    }
-
-    async getNewProxyFeatures(
         token: IApiUser,
         context: Context,
     ): Promise<ProxyFeatureSchema[]> {
-        const client = await this.newClientForProxyToken(token);
+        const client = await this.newClientForFrontendApiToken(token);
         const definitions = client.getFeatureToggleDefinitions() || [];
         const sessionId = context.sessionId || String(Math.random());
 
@@ -144,12 +124,12 @@ export class ProxyService {
             }));
     }
 
-    async registerProxyMetrics(
+    async registerFrontendApiMetrics(
         token: IApiUser,
         metrics: ClientMetricsSchema,
         ip: string,
     ): Promise<void> {
-        ProxyService.assertExpectedTokenType(token);
+        FrontendApiService.assertExpectedTokenType(token);
 
         const environment =
             this.services.clientMetricsServiceV2.resolveMetricsEnvironment(
@@ -166,12 +146,12 @@ export class ProxyService {
         );
     }
 
-    private async clientForProxyToken(token: IApiUser): Promise<Unleash> {
+    private async clientForFrontendApiToken(token: IApiUser): Promise<Unleash> {
-        ProxyService.assertExpectedTokenType(token);
+        FrontendApiService.assertExpectedTokenType(token);
 
         let client = this.clients.get(token.secret);
         if (!client) {
-            client = this.createClientForProxyToken(token);
+            client = this.createClientForFrontendApiToken(token);
             this.clients.set(token.secret, client);
             this.config.eventBus.emit(PROXY_REPOSITORY_CREATED);
         }
@@ -179,12 +159,14 @@ export class ProxyService {
         return client;
     }
 
-    private async newClientForProxyToken(token: IApiUser): Promise<Unleash> {
+    private async newClientForFrontendApiToken(
-        ProxyService.assertExpectedTokenType(token);
+        token: IApiUser,
+    ): Promise<Unleash> {
+        FrontendApiService.assertExpectedTokenType(token);
 
         let newClient = this.newClients.get(token.secret);
         if (!newClient) {
-            newClient = this.createNewClientForProxyToken(token);
+            newClient = this.createNewClientForFrontendApiToken(token);
             this.newClients.set(token.secret, newClient);
             // TODO: do we need this twice?
             // this.config.eventBus.emit(PROXY_REPOSITORY_CREATED);
@@ -193,7 +175,9 @@ export class ProxyService {
         return newClient;
     }
 
-    private async createClientForProxyToken(token: IApiUser): Promise<Unleash> {
+    private async createClientForFrontendApiToken(
+        token: IApiUser,
+    ): Promise<Unleash> {
         const repository = new ProxyRepository(
             this.config,
             this.stores,
@@ -219,7 +203,7 @@ export class ProxyService {
         return client;
     }
 
-    private async createNewClientForProxyToken(
+    private async createNewClientForFrontendApiToken(
         token: IApiUser,
     ): Promise<Unleash> {
         const repository = new FrontendApiRepository(
@@ -228,7 +212,7 @@ export class ProxyService {
             token,
         );
         const client = new Unleash({
-            appName: 'proxy',
+            appName: 'frontend-api',
             url: 'unused',
             storageProvider: new InMemStorageProvider(),
             disableMetrics: true,
@@ -246,7 +230,7 @@ export class ProxyService {
         return client;
     }
 
-    async deleteClientForProxyToken(secret: string): Promise<void> {
+    async deleteClientForFrontendApiToken(secret: string): Promise<void> {
         const clientPromise = this.clients.get(secret);
         if (clientPromise) {
             const client = await clientPromise;

src/lib/features/frontend-api/frontend-api.concurrency.e2e.test.ts

@@ -1,8 +1,11 @@
-import { IUnleashTest, setupAppWithAuth } from '../../helpers/test-helper';
+import {
-import dbInit, { ITestDb } from '../../helpers/database-init';
+    IUnleashTest,
-import getLogger from '../../../fixtures/no-logger';
+    setupAppWithAuth,
-import { randomId } from '../../../../lib/util';
+} from '../../../test/e2e/helpers/test-helper';
-import { ApiTokenType } from '../../../../lib/types/models/api-token';
+import dbInit, { ITestDb } from '../../../test/e2e/helpers/database-init';
+import getLogger from '../../../test/fixtures/no-logger';
+import { randomId } from '../../util';
+import { ApiTokenType } from '../../types/models/api-token';
 
 let app: IUnleashTest;
 let db: ITestDb;
@@ -25,7 +28,7 @@ beforeAll(async () => {
 });
 
 afterEach(() => {
-    app.services.proxyService.stopAll();
+    app.services.frontendApiService.stopAll();
     jest.clearAllMocks();
 });
 

src/lib/features/frontend-api/frontend-api.e2e.test.ts

@@ -1,21 +1,24 @@
-import { IUnleashTest, setupAppWithAuth } from '../../helpers/test-helper';
+import {
-import dbInit, { ITestDb } from '../../helpers/database-init';
+    IUnleashTest,
-import getLogger from '../../../fixtures/no-logger';
+    setupAppWithAuth,
-import { randomId } from '../../../../lib/util';
+} from '../../../test/e2e/helpers/test-helper';
+import dbInit, { ITestDb } from '../../../test/e2e/helpers/database-init';
+import getLogger from '../../../test/fixtures/no-logger';
+import { randomId } from '../../util';
 import {
     ApiTokenType,
     IApiToken,
     IApiTokenCreate,
-} from '../../../../lib/types/models/api-token';
+} from '../../types/models/api-token';
 import { startOfHour } from 'date-fns';
 import {
     FEATURE_UPDATED,
     IConstraint,
     IStrategyConfig,
     SYSTEM_USER,
-} from '../../../../lib/types';
+} from '../../types';
-import { ProxyRepository } from '../../../../lib/proxy';
+import { ProxyRepository } from './index';
-import { Logger } from '../../../../lib/logger';
+import { Logger } from '../../logger';
 
 let app: IUnleashTest;
 let db: ITestDb;
@@ -32,7 +35,7 @@ beforeAll(async () => {
 });
 
 afterEach(() => {
-    app.services.proxyService.stopAll();
+    app.services.frontendApiService.stopAll();
     jest.clearAllMocks();
 });
 

src/lib/features/frontend-api/global-frontend-api-cache.test.ts

@@ -2,8 +2,8 @@ import {
     GlobalFrontendApiCache,
     GlobalFrontendApiCacheState,
 } from './global-frontend-api-cache';
-import noLogger from '../../test/fixtures/no-logger';
+import noLogger from '../../../test/fixtures/no-logger';
-import { FakeSegmentReadModel } from '../features/segment/fake-segment-read-model';
+import { FakeSegmentReadModel } from '../segment/fake-segment-read-model';
 import FakeClientFeatureToggleReadModel from './fake-client-feature-toggle-read-model';
 import EventEmitter from 'events';
 import {
@@ -11,8 +11,8 @@ import {
     IFeatureToggleClient,
     IFlagResolver,
     ISegment,
-} from '../types';
+} from '../../types';
-import { UPDATE_REVISION } from '../features/feature-toggle/configuration-revision-service';
+import { UPDATE_REVISION } from '../feature-toggle/configuration-revision-service';
 
 const state = async (
     cache: GlobalFrontendApiCache,

src/lib/features/frontend-api/global-frontend-api-cache.ts

@@ -1,19 +1,19 @@
 import EventEmitter from 'events';
 import { Segment } from 'unleash-client/lib/strategy/strategy';
 import { FeatureInterface } from 'unleash-client/lib/feature';
-import { IApiUser } from '../types/api-user';
+import { IApiUser } from '../../types/api-user';
 import {
     IFeatureToggleClient,
     ISegmentReadModel,
     IUnleashConfig,
-} from '../types';
+} from '../../types';
 import {
     mapFeatureForClient,
     mapSegmentsForClient,
-} from '../features/playground/offline-unleash-client';
+} from '../playground/offline-unleash-client';
-import { ALL_ENVS } from '../util/constants';
+import { ALL_ENVS } from '../../util/constants';
-import { Logger } from '../logger';
+import { Logger } from '../../logger';
-import { UPDATE_REVISION } from '../features/feature-toggle/configuration-revision-service';
+import { UPDATE_REVISION } from '../feature-toggle/configuration-revision-service';
 import { IClientFeatureToggleReadModel } from './client-feature-toggle-read-model-type';
 
 type Config = Pick<IUnleashConfig, 'getLogger' | 'flagResolver'>;

src/lib/features/frontend-api/proxy-repository.ts

@@ -5,19 +5,19 @@ import {
     EnhancedFeatureInterface,
     FeatureInterface,
 } from 'unleash-client/lib/feature';
-import { IApiUser } from '../types/api-user';
+import { IApiUser } from '../../types/api-user';
-import { IUnleashConfig, IUnleashServices, IUnleashStores } from '../types';
+import { IUnleashConfig, IUnleashServices, IUnleashStores } from '../../types';
 import {
     mapFeaturesForClient,
     mapSegmentsForClient,
-} from '../features/playground/offline-unleash-client';
+} from '../playground/offline-unleash-client';
-import { ALL_ENVS } from '../util/constants';
+import { ALL_ENVS } from '../../util/constants';
 import { UnleashEvents } from 'unleash-client';
-import { Logger } from '../logger';
+import { Logger } from '../../logger';
 import ConfigurationRevisionService, {
     UPDATE_REVISION,
-} from '../features/feature-toggle/configuration-revision-service';
+} from '../feature-toggle/configuration-revision-service';
-import { PROXY_FEATURES_FOR_TOKEN_TIME } from '../metric-events';
+import { PROXY_FEATURES_FOR_TOKEN_TIME } from '../../metric-events';
 
 type Config = Pick<IUnleashConfig, 'getLogger' | 'frontendApi' | 'eventBus'>;
 
@@ -28,6 +28,7 @@ type Services = Pick<
     'featureToggleServiceV2' | 'configurationRevisionService'
 >;
 
+// TODO: remove after finished migration to global frontend api cache
 export class ProxyRepository
     extends EventEmitter
     implements RepositoryInterface

src/lib/features/frontend-api/proxy-service.test.ts

@@ -1,11 +1,11 @@
-import { ProxyService, Config } from './proxy-service';
+import { FrontendApiService, Config } from './frontend-api-service';
 import { GlobalFrontendApiCache } from './global-frontend-api-cache';
-import { IApiUser } from '../types';
+import { IApiUser } from '../../types';
 import { FeatureInterface } from 'unleash-client/lib/feature';
-import noLogger from '../../test/fixtures/no-logger';
+import noLogger from '../../../test/fixtures/no-logger';
-import { ApiTokenType } from '../types/models/api-token';
+import { ApiTokenType } from '../../types/models/api-token';
 
-test('proxy service fetching features from global cache', async () => {
+test('frontend api service fetching features from global cache', async () => {
     const irrelevant = {} as any;
     const globalFrontendApiCache = {
         getToggles(_: IApiUser): FeatureInterface[] {
@@ -38,14 +38,14 @@ test('proxy service fetching features from global cache', async () => {
             ) as FeatureInterface;
         },
     } as GlobalFrontendApiCache;
-    const proxyService = new ProxyService(
+    const frontendApiService = new FrontendApiService(
         { getLogger: noLogger } as unknown as Config,
         irrelevant,
         irrelevant,
         globalFrontendApiCache,
     );
 
-    const features = await proxyService.getNewProxyFeatures(
+    const features = await frontendApiService.getNewFrontendApiFeatures(
         {
             projects: ['irrelevant'],
             environment: 'irrelevant',

src/lib/features/scheduler/schedule-services.ts

@@ -28,7 +28,7 @@ export const scheduleServices = async (
         eventService,
         versionService,
         lastSeenService,
-        proxyService,
+        frontendApiService,
         clientMetricsServiceV2,
     } = services;
 
@@ -126,7 +126,7 @@ export const scheduleServices = async (
     );
 
     schedulerService.schedule(
-        proxyService.fetchFrontendSettings.bind(proxyService),
+        frontendApiService.fetchFrontendSettings.bind(frontendApiService),
         minutesToMilliseconds(2),
         'fetchFrontendSettings',
         0,

src/lib/internals.ts

@@ -6,7 +6,7 @@ export * from './addons';
 export * from './db';
 export * from './middleware';
 export * from './openapi';
-export * from './proxy';
+export * from './features/frontend-api';
 export * from './routes';
 export * from './services';
 export * from './types';

src/lib/middleware/cors-origin-middleware.test.ts

@@ -4,7 +4,11 @@ import { createTestConfig } from '../../test/config/test-config';
 import FakeEventStore from '../../test/fixtures/fake-event-store';
 import { randomId } from '../util/random-id';
 import FakeProjectStore from '../../test/fixtures/fake-project-store';
-import { EventService, ProxyService, SettingService } from '../../lib/services';
+import {
+    EventService,
+    FrontendApiService,
+    SettingService,
+} from '../../lib/services';
 import { ISettingStore } from '../../lib/types';
 import { frontendSettingsKey } from '../../lib/types/settings/frontend-settings';
 import FakeFeatureTagStore from '../../test/fixtures/fake-feature-tag-store';
@@ -12,7 +16,7 @@ import FakeFeatureTagStore from '../../test/fixtures/fake-feature-tag-store';
 const TEST_USER_ID = -9999;
 const createSettingService = (
     frontendApiOrigins: string[],
-): { proxyService: ProxyService; settingStore: ISettingStore } => {
+): { frontendApiService: FrontendApiService; settingStore: ISettingStore } => {
     const config = createTestConfig({ frontendApiOrigins });
 
     const stores = {
@@ -30,7 +34,7 @@ const createSettingService = (
 
     return {
         //@ts-ignore
-        proxyService: new ProxyService(config, stores, services),
+        frontendApiService: new FrontendApiService(config, stores, services),
         settingStore: stores.settingStore,
     };
 };
@@ -47,10 +51,10 @@ test('resolveOrigin', () => {
 });
 
 test('corsOriginMiddleware origin validation', async () => {
-    const { proxyService } = createSettingService([]);
+    const { frontendApiService } = createSettingService([]);
     const userName = randomId();
     await expect(() =>
-        proxyService.setFrontendSettings(
+        frontendApiService.setFrontendSettings(
             { frontendApiOrigins: ['a'] },
             userName,
             TEST_USER_ID,
@@ -59,84 +63,84 @@ test('corsOriginMiddleware origin validation', async () => {
 });
 
 test('corsOriginMiddleware without config', async () => {
-    const { proxyService, settingStore } = createSettingService([]);
+    const { frontendApiService, settingStore } = createSettingService([]);
     const userName = randomId();
-    expect(await proxyService.getFrontendSettings(false)).toEqual({
+    expect(await frontendApiService.getFrontendSettings(false)).toEqual({
         frontendApiOrigins: [],
     });
-    await proxyService.setFrontendSettings(
+    await frontendApiService.setFrontendSettings(
         { frontendApiOrigins: [] },
         userName,
         TEST_USER_ID,
     );
-    expect(await proxyService.getFrontendSettings(false)).toEqual({
+    expect(await frontendApiService.getFrontendSettings(false)).toEqual({
         frontendApiOrigins: [],
     });
-    await proxyService.setFrontendSettings(
+    await frontendApiService.setFrontendSettings(
         { frontendApiOrigins: ['*'] },
         userName,
         TEST_USER_ID,
     );
-    expect(await proxyService.getFrontendSettings(false)).toEqual({
+    expect(await frontendApiService.getFrontendSettings(false)).toEqual({
         frontendApiOrigins: ['*'],
     });
     await settingStore.delete(frontendSettingsKey);
-    expect(await proxyService.getFrontendSettings(false)).toEqual({
+    expect(await frontendApiService.getFrontendSettings(false)).toEqual({
         frontendApiOrigins: [],
     });
 });
 
 test('corsOriginMiddleware with config', async () => {
-    const { proxyService, settingStore } = createSettingService(['*']);
+    const { frontendApiService, settingStore } = createSettingService(['*']);
     const userName = randomId();
-    expect(await proxyService.getFrontendSettings(false)).toEqual({
+    expect(await frontendApiService.getFrontendSettings(false)).toEqual({
         frontendApiOrigins: ['*'],
     });
-    await proxyService.setFrontendSettings(
+    await frontendApiService.setFrontendSettings(
         { frontendApiOrigins: [] },
         userName,
         TEST_USER_ID,
     );
-    expect(await proxyService.getFrontendSettings(false)).toEqual({
+    expect(await frontendApiService.getFrontendSettings(false)).toEqual({
         frontendApiOrigins: [],
     });
-    await proxyService.setFrontendSettings(
+    await frontendApiService.setFrontendSettings(
         { frontendApiOrigins: ['https://example.com', 'https://example.org'] },
         userName,
         TEST_USER_ID,
     );
-    expect(await proxyService.getFrontendSettings(false)).toEqual({
+    expect(await frontendApiService.getFrontendSettings(false)).toEqual({
         frontendApiOrigins: ['https://example.com', 'https://example.org'],
     });
     await settingStore.delete(frontendSettingsKey);
-    expect(await proxyService.getFrontendSettings(false)).toEqual({
+    expect(await frontendApiService.getFrontendSettings(false)).toEqual({
         frontendApiOrigins: ['*'],
     });
 });
 
 test('corsOriginMiddleware with caching enabled', async () => {
-    const { proxyService } = createSettingService([]);
+    const { frontendApiService } = createSettingService([]);
 
     const userName = randomId();
-    expect(await proxyService.getFrontendSettings()).toEqual({
+    expect(await frontendApiService.getFrontendSettings()).toEqual({
         frontendApiOrigins: [],
     });
 
     //setting
-    await proxyService.setFrontendSettings(
+    await frontendApiService.setFrontendSettings(
         { frontendApiOrigins: ['*'] },
         userName,
         TEST_USER_ID,
     );
 
     //still get cached value
-    expect(await proxyService.getFrontendSettings()).toEqual({
+    expect(await frontendApiService.getFrontendSettings()).toEqual({
         frontendApiOrigins: [],
     });
 
-    await proxyService.fetchFrontendSettings(); // called by the scheduler service
+    await frontendApiService.fetchFrontendSettings(); // called by the scheduler service
 
-    const settings = await proxyService.getFrontendSettings();
+    const settings = await frontendApiService.getFrontendSettings();
 
     expect(settings).toEqual({
         frontendApiOrigins: ['*'],

src/lib/middleware/cors-origin-middleware.ts

@@ -16,13 +16,13 @@ export const resolveOrigin = (allowedOrigins: string[]): string | string[] => {
 // Check the request's Origin header against a list of allowed origins.
 // The list may include '*', which `cors` does not support natively.
 export const corsOriginMiddleware = (
-    { proxyService }: Pick<IUnleashServices, 'proxyService'>,
+    { frontendApiService }: Pick<IUnleashServices, 'frontendApiService'>,
     config: IUnleashConfig,
 ): RequestHandler => {
     const corsFunc = cors(async (req, callback) => {
         try {
             const { frontendApiOrigins = [] } =
-                await proxyService.getFrontendSettings();
+                await frontendApiService.getFrontendSettings();
             callback(null, {
                 origin: resolveOrigin(frontendApiOrigins),
                 maxAge: config.accessControlMaxAge,

src/lib/routes/admin-api/api-token.ts

@@ -41,7 +41,7 @@ import {
     emptyResponse,
     getStandardResponses,
 } from '../../openapi/util/standard-responses';
-import { ProxyService } from '../../proxy/proxy-service';
+import { FrontendApiService } from '../../features/frontend-api/frontend-api-service';
 import { extractUserId, extractUsername } from '../../util';
 import { OperationDeniedError } from '../../error';
 
@@ -121,7 +121,7 @@ export class ApiTokenController extends Controller {
 
     private accessService: AccessService;
 
-    private proxyService: ProxyService;
+    private frontendApiService: FrontendApiService;
 
     private openApiService: OpenApiService;
 
@@ -134,20 +134,20 @@ export class ApiTokenController extends Controller {
         {
             apiTokenService,
             accessService,
-            proxyService,
+            frontendApiService,
             openApiService,
         }: Pick<
             IUnleashServices,
             | 'apiTokenService'
             | 'accessService'
-            | 'proxyService'
+            | 'frontendApiService'
             | 'openApiService'
         >,
     ) {
         super(config);
         this.apiTokenService = apiTokenService;
         this.accessService = accessService;
-        this.proxyService = proxyService;
+        this.frontendApiService = frontendApiService;
         this.openApiService = openApiService;
         this.flagResolver = config.flagResolver;
         this.logger = config.getLogger('api-token-controller.js');
@@ -411,7 +411,7 @@ export class ApiTokenController extends Controller {
             extractUsername(req),
             req.user.id,
         );
-        await this.proxyService.deleteClientForProxyToken(token);
+        await this.frontendApiService.deleteClientForFrontendApiToken(token);
         res.status(200).end();
     }
 

src/lib/routes/admin-api/config.ts

@@ -24,7 +24,7 @@ import { extractUsername } from '../../util/extract-user';
 import NotFoundError from '../../error/notfound-error';
 import { SetUiConfigSchema } from '../../openapi/spec/set-ui-config-schema';
 import { createRequestSchema } from '../../openapi/util/create-request-schema';
-import { ProxyService } from '../../services';
+import { FrontendApiService } from '../../services';
 import MaintenanceService from '../../features/maintenance/maintenance-service';
 import memoizee from 'memoizee';
 import { minutesToMilliseconds } from 'date-fns';
@@ -35,7 +35,7 @@ class ConfigController extends Controller {
 
     private settingService: SettingService;
 
-    private proxyService: ProxyService;
+    private frontendApiService: FrontendApiService;
 
     private emailService: EmailService;
 
@@ -54,7 +54,7 @@ class ConfigController extends Controller {
             settingService,
             emailService,
             openApiService,
-            proxyService,
+            frontendApiService,
             maintenanceService,
             clientInstanceService,
         }: Pick<
@@ -63,7 +63,7 @@ class ConfigController extends Controller {
             | 'settingService'
             | 'emailService'
             | 'openApiService'
-            | 'proxyService'
+            | 'frontendApiService'
             | 'maintenanceService'
             | 'clientInstanceService'
         >,
@@ -73,7 +73,7 @@ class ConfigController extends Controller {
         this.settingService = settingService;
         this.emailService = emailService;
         this.openApiService = openApiService;
-        this.proxyService = proxyService;
+        this.frontendApiService = frontendApiService;
         this.maintenanceService = maintenanceService;
         this.clientInstanceService = clientInstanceService;
         this.usesOldEdgeFunction = memoizee(
@@ -136,7 +136,7 @@ class ConfigController extends Controller {
             maintenanceMode,
             usesOldEdge,
         ] = await Promise.all([
-            this.proxyService.getFrontendSettings(false),
+            this.frontendApiService.getFrontendSettings(false),
             this.settingService.get<SimpleAuthSettings>(simpleAuthSettingsKey),
             this.maintenanceService.isMaintenanceMode(),
             this.usesOldEdgeFunction(),
@@ -190,7 +190,7 @@ class ConfigController extends Controller {
         res: Response<string>,
     ): Promise<void> {
         if (req.body.frontendSettings) {
-            await this.proxyService.setFrontendSettings(
+            await this.frontendApiService.setFrontendSettings(
                 req.body.frontendSettings,
                 extractUsername(req),
                 req.user.id,

src/lib/routes/admin-api/project/api-token.ts

@@ -25,7 +25,7 @@ import {
     ApiTokenService,
     OpenApiService,
     ProjectService,
-    ProxyService,
+    FrontendApiService,
 } from '../../../services';
 import { extractUserId, extractUsername } from '../../../util';
 import { IAuthRequest } from '../../unleash-types';
@@ -48,7 +48,7 @@ export class ProjectApiTokenController extends Controller {
 
     private accessService: AccessService;
 
-    private proxyService: ProxyService;
+    private frontendApiService: FrontendApiService;
 
     private openApiService: OpenApiService;
 
@@ -61,14 +61,14 @@ export class ProjectApiTokenController extends Controller {
         {
             apiTokenService,
             accessService,
-            proxyService,
+            frontendApiService,
             openApiService,
             projectService,
         }: Pick<
             IUnleashServices,
             | 'apiTokenService'
             | 'accessService'
-            | 'proxyService'
+            | 'frontendApiService'
             | 'openApiService'
             | 'projectService'
         >,
@@ -76,7 +76,7 @@ export class ProjectApiTokenController extends Controller {
         super(config);
         this.apiTokenService = apiTokenService;
         this.accessService = accessService;
-        this.proxyService = proxyService;
+        this.frontendApiService = frontendApiService;
         this.openApiService = openApiService;
         this.projectService = projectService;
         this.logger = config.getLogger('project-api-token-controller.js');
@@ -226,7 +226,9 @@ export class ProjectApiTokenController extends Controller {
                 extractUsername(req),
                 user.id,
             );
-            await this.proxyService.deleteClientForProxyToken(token);
+            await this.frontendApiService.deleteClientForFrontendApiToken(
+                token,
+            );
             res.status(200).end();
         } else if (!storedToken) {
             res.status(404).end();

src/lib/routes/index.ts

@@ -9,7 +9,7 @@ import { AdminApi } from './admin-api';
 import ClientApi from './client-api';
 
 import { HealthCheckController } from './health-check';
-import FrontendAPIController from '../proxy/proxy-controller';
+import FrontendAPIController from '../features/frontend-api/frontend-api-controller';
 import EdgeController from './edge-api';
 import { PublicInviteController } from './public-invite';
 import { Db } from '../db/db';

src/lib/services/index.ts

@@ -31,7 +31,7 @@ import { OpenApiService } from './openapi-service';
 import { ClientSpecService } from './client-spec-service';
 import { PlaygroundService } from '../features/playground/playground-service';
 import { GroupService } from './group-service';
-import { ProxyService } from '../proxy/proxy-service';
+import { FrontendApiService } from '../features/frontend-api/frontend-api-service';
 import EdgeService from './edge-service';
 import PatService from './pat-service';
 import { PublicSignupTokenService } from './public-signup-token-service';
@@ -112,9 +112,9 @@ import { InactiveUsersService } from '../users/inactive/inactive-users-service';
 import { SegmentReadModel } from '../features/segment/segment-read-model';
 import { FakeSegmentReadModel } from '../features/segment/fake-segment-read-model';
 import {
-    createFakeProxyService,
+    createFakeFrontendApiService,
-    createProxyService,
+    createFrontendApiService,
-} from '../proxy/createProxyService';
+} from '../features/frontend-api/createFrontendApiService';
 
 export const createServices = (
     stores: IUnleashStores,
@@ -295,14 +295,14 @@ export const createServices = (
         ? createClientFeatureToggleService(db, config)
         : createFakeClientFeatureToggleService(config);
 
-    const proxyService = db
+    const frontendApiService = db
-        ? createProxyService(
+        ? createFrontendApiService(
               db,
               config,
               clientMetricsServiceV2,
               configurationRevisionService,
           )
-        : createFakeProxyService(
+        : createFakeFrontendApiService(
               config,
               clientMetricsServiceV2,
               configurationRevisionService,
@@ -373,7 +373,7 @@ export const createServices = (
         clientSpecService,
         playgroundService,
         groupService,
-        proxyService,
+        frontendApiService,
         edgeService,
         patService,
         publicSignupTokenService,
@@ -428,7 +428,7 @@ export {
     ClientSpecService,
     PlaygroundService,
     GroupService,
-    ProxyService,
+    FrontendApiService,
     EdgeService,
     PatService,
     PublicSignupTokenService,

src/lib/types/services.ts

@@ -28,7 +28,7 @@ import { OpenApiService } from '../services/openapi-service';
 import { ClientSpecService } from '../services/client-spec-service';
 import { PlaygroundService } from '../features/playground/playground-service';
 import { GroupService } from '../services/group-service';
-import { ProxyService } from '../proxy/proxy-service';
+import { FrontendApiService } from '../features/frontend-api/frontend-api-service';
 import EdgeService from '../services/edge-service';
 import PatService from '../services/pat-service';
 import { PublicSignupTokenService } from '../services/public-signup-token-service';
@@ -76,7 +76,7 @@ export interface IUnleashServices {
     projectHealthService: ProjectHealthService;
     projectService: ProjectService;
     playgroundService: PlaygroundService;
-    proxyService: ProxyService;
+    frontendApiService: FrontendApiService;
     publicSignupTokenService: PublicSignupTokenService;
     resetTokenService: ResetTokenService;
     sessionService: SessionService;

src/test/e2e/api/admin/config.e2e.test.ts

@@ -57,7 +57,7 @@ test('gets ui config with disablePasswordAuth', async () => {
 
 test('gets ui config with frontendSettings', async () => {
     const frontendApiOrigins = ['https://example.net'];
-    await app.services.proxyService.setFrontendSettings(
+    await app.services.frontendApiService.setFrontendSettings(
         { frontendApiOrigins },
         randomId(),
         -9999,