feat(server): client version check

packages/backend/server/package.json

@@ -92,6 +92,7 @@
     "react-dom": "19.0.0",
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.1",
+    "semver": "^7.6.3",
     "ses": "^1.10.0",
     "socket.io": "^4.8.1",
     "stripe": "^17.4.0",
@@ -119,6 +120,7 @@
     "@types/on-headers": "^1.0.3",
     "@types/react": "^19.0.1",
     "@types/react-dom": "^19.0.2",
+    "@types/semver": "^7.5.8",
     "@types/sinon": "^17.0.3",
     "@types/supertest": "^6.0.2",
     "ava": "^6.2.0",

packages/backend/server/src/__tests__/version.spec.ts

@@ -0,0 +1,148 @@
+import { Controller, Get } from '@nestjs/common';
+import test from 'ava';
+import Sinon from 'sinon';
+
+import { AppModule } from '../app.module';
+import { Runtime, UseNamedGuard } from '../base';
+import { Public } from '../core/auth/guard';
+import { VersionService } from '../core/version/service';
+import { createTestingApp, TestingApp } from './utils';
+
+@Public()
+@Controller('/guarded')
+class GuardedController {
+  @UseNamedGuard('version')
+  @Get('/test')
+  test() {
+    return 'test';
+  }
+}
+
+let app: TestingApp;
+let runtime: Sinon.SinonStubbedInstance<Runtime>;
+let version: VersionService;
+
+function checkVersion(enabled = true) {
+  runtime.fetch.withArgs('client/versionControl.enabled').resolves(enabled);
+
+  runtime.fetch
+    .withArgs('client/versionControl.requiredVersion')
+    .resolves('>=0.20.0');
+}
+
+test.before(async () => {
+  app = await createTestingApp({
+    imports: [AppModule],
+    controllers: [GuardedController],
+    tapModule: m => {
+      m.overrideProvider(Runtime).useValue(Sinon.createStubInstance(Runtime));
+    },
+  });
+
+  runtime = app.get(Runtime);
+  version = app.get(VersionService, { strict: false });
+});
+
+test.beforeEach(async () => {
+  Sinon.reset();
+
+  checkVersion(true);
+});
+
+test.after.always(async () => {
+  await app.close();
+});
+
+test('should passthrough if version check is not enabled', async t => {
+  checkVersion(false);
+
+  const spy = Sinon.spy(version, 'checkVersion');
+
+  let res = await app.GET('/guarded/test');
+
+  t.is(res.status, 200);
+
+  res = await app.GET('/guarded/test').set('x-affine-version', '0.20.0');
+
+  t.is(res.status, 200);
+
+  res = await app.GET('/guarded/test').set('x-affine-version', 'invalid');
+
+  t.is(res.status, 200);
+  t.true(spy.notCalled);
+  spy.restore();
+});
+
+test('should passthrough is version range is invalid', async t => {
+  runtime.fetch
+    .withArgs('client/versionControl.requiredVersion')
+    .resolves('invalid');
+
+  let res = await app.GET('/guarded/test').set('x-affine-version', 'invalid');
+
+  t.is(res.status, 200);
+});
+
+test('should pass if client version is allowed', async t => {
+  let res = await app.GET('/guarded/test').set('x-affine-version', '0.20.0');
+
+  t.is(res.status, 200);
+
+  res = await app.GET('/guarded/test').set('x-affine-version', '0.21.0');
+
+  t.is(res.status, 200);
+
+  runtime.fetch
+    .withArgs('client/versionControl.requiredVersion')
+    .resolves('>=0.19.0');
+
+  res = await app.GET('/guarded/test').set('x-affine-version', '0.19.0');
+
+  t.is(res.status, 200);
+});
+
+test('should fail if client version is not set or invalid', async t => {
+  let res = await app.GET('/guarded/test');
+
+  t.is(res.status, 403);
+  t.is(
+    res.body.message,
+    'Unsupported client with version [unset_or_invalid], required version is [>=0.20.0].'
+  );
+
+  res = await app.GET('/guarded/test').set('x-affine-version', 'invalid');
+
+  t.is(res.status, 403);
+  t.is(
+    res.body.message,
+    'Unsupported client with version [invalid], required version is [>=0.20.0].'
+  );
+});
+
+test('should tell upgrade if client version is lower than allowed', async t => {
+  runtime.fetch
+    .withArgs('client/versionControl.requiredVersion')
+    .resolves('>=0.21.0 <=0.22.0');
+
+  let res = await app.GET('/guarded/test').set('x-affine-version', '0.20.0');
+
+  t.is(res.status, 403);
+  t.is(
+    res.body.message,
+    'Unsupported client with version [0.20.0], required version is [>=0.21.0 <=0.22.0].'
+  );
+});
+
+test('should tell downgrade if client version is higher than allowed', async t => {
+  runtime.fetch
+    .withArgs('client/versionControl.requiredVersion')
+    .resolves('>=0.20.0 <=0.22.0');
+
+  let res = await app.GET('/guarded/test').set('x-affine-version', '0.23.0');
+
+  t.is(res.status, 403);
+  t.is(
+    res.body.message,
+    'Unsupported client with version [0.23.0], required version is [>=0.20.0 <=0.22.0].'
+  );
+});

packages/backend/server/src/app.module.ts

@@ -49,6 +49,7 @@ import { SelfhostModule } from './core/selfhost';
 import { StorageModule } from './core/storage';
 import { SyncModule } from './core/sync';
 import { UserModule } from './core/user';
+import { VersionModule } from './core/version';
 import { WorkspaceModule } from './core/workspaces';
 import { ModelsModule } from './models';
 import { REGISTERED_PLUGINS } from './plugins';
@@ -225,6 +226,7 @@ export function buildAppModule() {
     // graphql server only
     .useIf(
       config => config.flavor.graphql,
+      VersionModule,
       GqlModule,
       StorageModule,
       ServerConfigModule,

packages/backend/server/src/base/error/def.ts

@@ -724,4 +724,15 @@ export const USER_FRIENDLY_ERRORS = {
     message: ({ limit }) =>
       `You cannot downgrade the workspace from team workspace because there are more than ${limit} members that are currently active.`,
   },
+
+  // version errors
+  unsupported_client_version: {
+    type: 'action_forbidden',
+    args: {
+      clientVersion: 'string',
+      requiredVersion: 'string',
+    },
+    message: ({ clientVersion, requiredVersion }) =>
+      `Unsupported client with version [${clientVersion}], required version is [${requiredVersion}].`,
+  },
 } satisfies Record<string, UserFriendlyErrorOptions>;

packages/backend/server/src/base/error/errors.gen.ts

@@ -794,6 +794,17 @@ export class WorkspaceMembersExceedLimitToDowngrade extends UserFriendlyError {
     super('bad_request', 'workspace_members_exceed_limit_to_downgrade', message, args);
   }
 }
+@ObjectType()
+class UnsupportedClientVersionDataType {
+  @Field() clientVersion!: string
+  @Field() requiredVersion!: string
+}
+
+export class UnsupportedClientVersion extends UserFriendlyError {
+  constructor(args: UnsupportedClientVersionDataType, message?: string | ((args: UnsupportedClientVersionDataType) => string)) {
+    super('action_forbidden', 'unsupported_client_version', message, args);
+  }
+}
 export enum ErrorNames {
   INTERNAL_SERVER_ERROR,
   TOO_MANY_REQUEST,
@@ -895,7 +906,8 @@ export enum ErrorNames {
   LICENSE_NOT_FOUND,
   INVALID_LICENSE_TO_ACTIVATE,
   INVALID_LICENSE_UPDATE_PARAMS,
-  WORKSPACE_MEMBERS_EXCEED_LIMIT_TO_DOWNGRADE
+  WORKSPACE_MEMBERS_EXCEED_LIMIT_TO_DOWNGRADE,
+  UNSUPPORTED_CLIENT_VERSION
 }
 registerEnumType(ErrorNames, {
   name: 'ErrorNames'
@@ -904,5 +916,5 @@ registerEnumType(ErrorNames, {
 export const ErrorDataUnionType = createUnionType({
   name: 'ErrorDataUnion',
   types: () =>
-    [GraphqlBadRequestDataType, QueryTooLongDataType, WrongSignInCredentialsDataType, UnknownOauthProviderDataType, MissingOauthQueryParameterDataType, InvalidEmailDataType, InvalidPasswordLengthDataType, WorkspacePermissionNotFoundDataType, SpaceNotFoundDataType, MemberNotFoundInSpaceDataType, NotInSpaceDataType, AlreadyInSpaceDataType, SpaceAccessDeniedDataType, SpaceOwnerNotFoundDataType, SpaceShouldHaveOnlyOneOwnerDataType, DocNotFoundDataType, DocActionDeniedDataType, VersionRejectedDataType, InvalidHistoryTimestampDataType, DocHistoryNotFoundDataType, BlobNotFoundDataType, ExpectToGrantDocUserRolesDataType, ExpectToRevokeDocUserRolesDataType, ExpectToUpdateDocUserRoleDataType, UnsupportedSubscriptionPlanDataType, SubscriptionAlreadyExistsDataType, SubscriptionNotExistsDataType, SameSubscriptionRecurringDataType, SubscriptionPlanNotFoundDataType, CopilotDocNotFoundDataType, CopilotMessageNotFoundDataType, CopilotPromptNotFoundDataType, CopilotProviderSideErrorDataType, CopilotInvalidContextDataType, CopilotContextFileNotSupportedDataType, CopilotFailedToModifyContextDataType, CopilotFailedToMatchContextDataType, RuntimeConfigNotFoundDataType, InvalidRuntimeConfigTypeDataType, InvalidLicenseUpdateParamsDataType, WorkspaceMembersExceedLimitToDowngradeDataType] as const,
+    [GraphqlBadRequestDataType, QueryTooLongDataType, WrongSignInCredentialsDataType, UnknownOauthProviderDataType, MissingOauthQueryParameterDataType, InvalidEmailDataType, InvalidPasswordLengthDataType, WorkspacePermissionNotFoundDataType, SpaceNotFoundDataType, MemberNotFoundInSpaceDataType, NotInSpaceDataType, AlreadyInSpaceDataType, SpaceAccessDeniedDataType, SpaceOwnerNotFoundDataType, SpaceShouldHaveOnlyOneOwnerDataType, DocNotFoundDataType, DocActionDeniedDataType, VersionRejectedDataType, InvalidHistoryTimestampDataType, DocHistoryNotFoundDataType, BlobNotFoundDataType, ExpectToGrantDocUserRolesDataType, ExpectToRevokeDocUserRolesDataType, ExpectToUpdateDocUserRoleDataType, UnsupportedSubscriptionPlanDataType, SubscriptionAlreadyExistsDataType, SubscriptionNotExistsDataType, SameSubscriptionRecurringDataType, SubscriptionPlanNotFoundDataType, CopilotDocNotFoundDataType, CopilotMessageNotFoundDataType, CopilotPromptNotFoundDataType, CopilotProviderSideErrorDataType, CopilotInvalidContextDataType, CopilotContextFileNotSupportedDataType, CopilotFailedToModifyContextDataType, CopilotFailedToMatchContextDataType, RuntimeConfigNotFoundDataType, InvalidRuntimeConfigTypeDataType, InvalidLicenseUpdateParamsDataType, WorkspaceMembersExceedLimitToDowngradeDataType, UnsupportedClientVersionDataType] as const,
 });

packages/backend/server/src/base/guard/guard.ts

@@ -18,14 +18,19 @@ export class BasicGuard implements CanActivate {
 
   async canActivate(context: ExecutionContext) {
     // get registered guard name
-    const providerName = this.reflector.get<string>(
+    const providerName = this.reflector.get<string[]>(
       BasicGuardSymbol,
       context.getHandler()
     );
 
-    const provider = GUARD_PROVIDER[providerName as NamedGuards];
-    if (provider) {
-      return await provider.canActivate(context);
+    if (Array.isArray(providerName) && providerName.length > 0) {
+      for (const name of providerName) {
+        const provider = GUARD_PROVIDER[name as NamedGuards];
+        if (provider) {
+          const ret = await provider.canActivate(context);
+          if (!ret) return false;
+        }
+      }
     }
 
     return true;
@@ -46,5 +51,5 @@ export class BasicGuard implements CanActivate {
  * }
  * ```
  */
-export const UseNamedGuard = (name: NamedGuards) =>
+export const UseNamedGuard = (...name: NamedGuards[]) =>
   applyDecorators(UseGuards(BasicGuard), SetMetadata(BasicGuardSymbol, name));

packages/backend/server/src/core/auth/controller.ts

@@ -79,6 +79,7 @@ export class AuthController {
   }
 
   @Public()
+  @UseNamedGuard('version')
   @Post('/preflight')
   async preflight(
     @Body() params?: { email: string }
@@ -108,7 +109,7 @@ export class AuthController {
   }
 
   @Public()
-  @UseNamedGuard('captcha')
+  @UseNamedGuard('version', 'captcha')
   @Post('/sign-in')
   @Header('content-type', 'application/json')
   async signIn(
@@ -260,6 +261,7 @@ export class AuthController {
   }
 
   @Public()
+  @UseNamedGuard('version')
   @Post('/magic-link')
   async magicLinkSignIn(
     @Req() req: Request,

packages/backend/server/src/core/version/config.ts

@@ -0,0 +1,31 @@
+import { defineRuntimeConfig, ModuleConfig } from '../../base/config';
+
+export interface VersionConfig {
+  versionControl: {
+    enabled: boolean;
+    requiredVersion: string;
+  };
+}
+
+declare module '../../base/config' {
+  interface AppConfig {
+    client: ModuleConfig<never, VersionConfig>;
+  }
+}
+
+declare module '../../base/guard' {
+  interface RegisterGuardName {
+    version: 'version';
+  }
+}
+
+defineRuntimeConfig('client', {
+  'versionControl.enabled': {
+    desc: 'Whether check version of client before accessing the server.',
+    default: false,
+  },
+  'versionControl.requiredVersion': {
+    desc: "Allowed version range of the app that allowed to access the server. Requires 'client/versionControl.enabled' to be true to take effect.",
+    default: '>=0.20.0',
+  },
+});

packages/backend/server/src/core/version/guard.ts

@@ -0,0 +1,40 @@
+import type {
+  CanActivate,
+  ExecutionContext,
+  OnModuleInit,
+} from '@nestjs/common';
+import { Injectable } from '@nestjs/common';
+
+import {
+  getRequestResponseFromContext,
+  GuardProvider,
+  Runtime,
+} from '../../base';
+import { VersionService } from './service';
+
+@Injectable()
+export class VersionGuardProvider
+  extends GuardProvider
+  implements CanActivate, OnModuleInit
+{
+  name = 'version' as const;
+
+  constructor(
+    private readonly runtime: Runtime,
+    private readonly version: VersionService
+  ) {
+    super();
+  }
+
+  async canActivate(context: ExecutionContext) {
+    if (!(await this.runtime.fetch('client/versionControl.enabled'))) {
+      return true;
+    }
+
+    const { req } = getRequestResponseFromContext(context);
+
+    const version = req.headers['x-affine-version'] as string | undefined;
+
+    return this.version.checkVersion(version);
+  }
+}

packages/backend/server/src/core/version/index.ts

@@ -0,0 +1,13 @@
+import './config';
+
+import { Module } from '@nestjs/common';
+
+import { VersionGuardProvider } from './guard';
+import { VersionService } from './service';
+
+@Module({
+  providers: [VersionService, VersionGuardProvider],
+})
+export class VersionModule {}
+
+export type { VersionConfig } from './config';