diff --git a/extensions/authentication-jwt/.npmrc b/extensions/authentication-jwt/.npmrc
new file mode 100644
index 000000000000..cafe685a112d
--- /dev/null
+++ b/extensions/authentication-jwt/.npmrc
@@ -0,0 +1 @@
+package-lock=true
diff --git a/extensions/authentication-jwt/LICENSE b/extensions/authentication-jwt/LICENSE
new file mode 100644
index 000000000000..4b3ed4fd4f0e
--- /dev/null
+++ b/extensions/authentication-jwt/LICENSE
@@ -0,0 +1,25 @@
+Copyright (c) IBM Corp. 2020. All Rights Reserved.
+Node module: @loopback/extension-authentication-jwt
+This project is licensed under the MIT License, full text below.
+
+--------
+
+MIT license
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/extensions/authentication-jwt/README.md b/extensions/authentication-jwt/README.md
new file mode 100644
index 000000000000..a9339eee27ff
--- /dev/null
+++ b/extensions/authentication-jwt/README.md
@@ -0,0 +1,330 @@
+# @loopback/extension-authentication-jwt
+
+This module exports the jwt authentication strategy and its corresponding token
+and user service as a component. You can mount the component to get a prototype
+token based authentication system in your LoopBack 4 application.
+
+## Usage
+
+To use this component, you need to have an existing LoopBack 4 application and a
+datasource in it for persistency.
+
+- create app: run `lb4 app`
+- create datasource: run `lb4 datasource`
+
+Next enable the jwt authentication system in your application:
+
+- add authenticate action
+
+
+Check The Code
+
+
+```ts
+import {
+ AuthenticateFn,
+ AuthenticationBindings,
+ AUTHENTICATION_STRATEGY_NOT_FOUND,
+ USER_PROFILE_NOT_FOUND,
+} from '@loopback/authentication';
+export class MySequence implements SequenceHandler {
+ constructor(
+ // - enable jwt auth -
+ // inject the auth action
+ @inject(AuthenticationBindings.AUTH_ACTION)
+ protected authenticateRequest: AuthenticateFn,
+ ) {}
+
+ async handle(context: RequestContext) {
+ try {
+ const {request, response} = context;
+ const route = this.findRoute(request);
+ // - enable jwt auth -
+ // call authentication action
+ await this.authenticateRequest(request);
+
+ const args = await this.parseParams(request, route);
+ const result = await this.invoke(route, args);
+ this.send(response, result);
+ } catch (error) {
+ // - enable jwt auth -
+ // improve the error check
+ if (
+ error.code === AUTHENTICATION_STRATEGY_NOT_FOUND ||
+ error.code === USER_PROFILE_NOT_FOUND
+ ) {
+ Object.assign(error, {statusCode: 401 /* Unauthorized */});
+ }
+ this.reject(context, error);
+ }
+ }
+}
+```
+
+
+
+
+- mount jwt component in application
+
+
+Check The Code
+
+
+```ts
+import {AuthenticationComponent} from '@loopback/authentication';
+import {
+ JWTAuthenticationComponent,
+ SECURITY_SCHEME_SPEC,
+} from '@loopback/extension-authentication-jwt';
+
+export class TestApplication extends BootMixin(
+ ServiceMixin(RepositoryMixin(RestApplication)),
+) {
+ constructor(options: ApplicationConfig = {}) {
+ super(options);
+
+ // Set up the custom sequence
+ this.sequence(MySequence);
+
+ // Set up default home page
+ this.static('/', path.join(__dirname, '../public'));
+
+ // - enable jwt auth -
+ // Add security spec (Future work: refactor it to an enhancer)
+ this.addSecuritySpec();
+ // Mount authentication system
+ this.component(AuthenticationComponent);
+ // Mount jwt component
+ this.component(JWTAuthenticationComponent);
+ // Bind datasource
+ this.dataSource(DbDataSource, UserServiceBindings.DATASOURCE_NAME);
+
+ this.component(RestExplorerComponent);
+ this.projectRoot = __dirname;
+ // Customize @loopback/boot Booter Conventions here
+ this.bootOptions = {};
+ }
+
+ // - enable jwt auth -
+ // Currently there is an extra function to
+ // merge the security spec into the application.
+ // This will be improved with a coming enhancer.
+ // See section [Future Work](#future-work)
+ addSecuritySpec(): void {
+ this.api({
+ openapi: '3.0.0',
+ info: {
+ title: 'test application',
+ version: '1.0.0',
+ },
+ paths: {},
+ components: {securitySchemes: SECURITY_SCHEME_SPEC},
+ security: [
+ {
+ // secure all endpoints with 'jwt'
+ jwt: [],
+ },
+ ],
+ servers: [{url: '/'}],
+ });
+ }
+}
+```
+
+
+
+
+_All the jwt authentication related code are marked with comment "- enable jwt
+auth -", you can search for it to find all the related code you need to enable
+the entire jwt authentication in a LoopBack 4 application._
+
+## Adding Endpoint in Controller
+
+After mounting the component, you can call token and user services to perform
+login, then decorate endpoints with `@authentication('jwt')` to inject the
+logged in user's profile.
+
+This module contains an example application in the `fixtures` folder. It has a
+controller with endpoints `/login` and `/whoAmI`.
+
+The code snippet for login function:
+
+```ts
+async login(
+ @requestBody(CredentialsRequestBody) credentials: Credentials,
+ ): Promise<{token: string}> {
+ // ensure the user exists, and the password is correct
+ const user = await this.userService.verifyCredentials(credentials);
+
+ // convert a User object into a UserProfile object (reduced set of properties)
+ const userProfile = this.userService.convertToUserProfile(user);
+
+ // create a JSON Web Token based on the user profile
+ const token = await this.jwtService.generateToken(userProfile);
+
+ return {token};
+ }
+```
+
+The code snippet for whoAmI function:
+
+```ts
+@authenticate('jwt')
+ async whoAmI(): Promise {
+ return this.user[securityId];
+ }
+```
+
+The complete file is in
+[user.controller.ts](https://github.com/strongloop/loopback-next/tree/master/extensions/authentication-jwt/src/__tests__/fixtures/controllers/user.controller.ts)
+
+## Customization
+
+As a prototype implementation this module provides basic functionalities in each
+service. You can customize and re-bind any element provided in the
+[component](https://github.com/strongloop/loopback-next/tree/master/extensions/authentication-jwt/src/jwt-authentication-component.ts)
+with your own one.
+
+Replacing the `User` model is a bit more complicated because it's not injected
+but imported directly in related files. The sub-section covers the steps to
+provide your own `User` model and repository.
+
+### Customizing User
+
+1. Create your own user model and repository by running the `lb4 model` and
+ `lb4 repository` commands.
+
+2. The user service requires the user model and repository, to provide your own
+ ones, you can create a custom `UserService` and bind it to
+ `UserServiceBindings.USER_SERVICE`. Take a look at
+ [the default user service](https://github.com/strongloop/loopback-next/blob/master/extensions/authentication-jwt/src/services/user.service.ts)
+ for an example of `UserService` implementation.
+
+ For convenience, here is the code in `user.service.ts`. You can replace the
+ `User` and `UserRepository` with `MyUser`, `MyUserRepository`:
+
+
+ Check The Code
+
+
+ ```ts
+ import {UserService} from '@loopback/authentication';
+ import {repository} from '@loopback/repository';
+ import {HttpErrors} from '@loopback/rest';
+ import {securityId, UserProfile} from '@loopback/security';
+ import {compare} from 'bcryptjs';
+ // User --> MyUser
+ import {MyUser} from '../models';
+ // UserRepository --> MyUserRepository
+ import {MyUserRepository} from '../repositories';
+
+ export type Credentials = {
+ email: string;
+ password: string;
+ };
+
+ // User --> MyUser
+ export class CustomUserService implements UserService {
+ constructor(
+ // UserRepository --> MyUserRepository
+ @repository(MyUserRepository) public userRepository: MyUserRepository,
+ ) {}
+
+ // User --> MyUser
+ async verifyCredentials(credentials: Credentials): Promise {
+ const invalidCredentialsError = 'Invalid email or password.';
+
+ const foundUser = await this.userRepository.findOne({
+ where: {email: credentials.email},
+ });
+ if (!foundUser) {
+ throw new HttpErrors.Unauthorized(invalidCredentialsError);
+ }
+
+ const credentialsFound = await this.userRepository.findCredentials(
+ foundUser.id,
+ );
+ if (!credentialsFound) {
+ throw new HttpErrors.Unauthorized(invalidCredentialsError);
+ }
+
+ const passwordMatched = await compare(
+ credentials.password,
+ credentialsFound.password,
+ );
+
+ if (!passwordMatched) {
+ throw new HttpErrors.Unauthorized(invalidCredentialsError);
+ }
+
+ return foundUser;
+ }
+
+ // User --> MyUser
+ convertToUserProfile(user: MyUser): UserProfile {
+ return {
+ [securityId]: user.id.toString(),
+ name: user.username,
+ id: user.id,
+ email: user.email,
+ };
+ }
+ }
+ ```
+
+
+
+
+3. Bind `MyUserRepository` (and `MyUserCredentialsRepository` if you create your
+ own as well) to the corresponding key in your `application.ts`:
+
+ ```ts
+ import {CustomUserService} from './services/custom-user-service';
+ import {MyUserRepository, MyUserCredentialsRepository} from './repositories';
+ import {UserServiceBindings} from '@loopback/extension-authentication-jwt';
+
+ export class TestApplication extends BootMixin(
+ ServiceMixin(RepositoryMixin(RestApplication)),
+ ) {
+ constructor(options: ApplicationConfig = {}) {
+ super(options);
+ // ...other setup
+ this.component(JWTAuthenticationComponent);
+ // Bind datasource
+ this.dataSource(DbDataSource, UserServiceBindings.DATASOURCE_NAME);
+ // Bind user service
+ this.bind(UserServiceBindings.USER_SERVICE).toClass(CustomUserService),
+ // Bind user and credentials repository
+ this.bind(UserServiceBindings.USER_REPOSITORY).toClass(
+ UserRepository,
+ ),
+ this.bind(UserServiceBindings.USER_CREDENTIALS_REPOSITORY).toClass(
+ UserCredentialsRepository,
+ ),
+ }
+ }
+ ```
+
+## Future Work
+
+The security specification is currently manually added in the application file.
+The next step is to create an enhancer in the component to automatically bind
+the spec when app starts.
+
+## Contributions
+
+- [Guidelines](https://github.com/strongloop/loopback-next/blob/master/docs/CONTRIBUTING.md)
+- [Join the team](https://github.com/strongloop/loopback-next/issues/110)
+
+## Tests
+
+Run `npm test` from the root folder.
+
+## Contributors
+
+See
+[all contributors](https://github.com/strongloop/loopback-next/graphs/contributors).
+
+## License
+
+MIT
diff --git a/extensions/authentication-jwt/index.d.ts b/extensions/authentication-jwt/index.d.ts
new file mode 100644
index 000000000000..7506e77c9fe6
--- /dev/null
+++ b/extensions/authentication-jwt/index.d.ts
@@ -0,0 +1,6 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+export * from './dist';
diff --git a/extensions/authentication-jwt/index.js b/extensions/authentication-jwt/index.js
new file mode 100644
index 000000000000..8b6848eee96b
--- /dev/null
+++ b/extensions/authentication-jwt/index.js
@@ -0,0 +1,6 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+module.exports = require('./dist');
diff --git a/extensions/authentication-jwt/index.ts b/extensions/authentication-jwt/index.ts
new file mode 100644
index 000000000000..c7799dce1b24
--- /dev/null
+++ b/extensions/authentication-jwt/index.ts
@@ -0,0 +1,8 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+// DO NOT EDIT THIS FILE
+// Add any additional (re)exports to src/index.ts instead.
+export * from './src';
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new file mode 100644
index 000000000000..23c7c76c6e83
--- /dev/null
+++ b/extensions/authentication-jwt/package-lock.json
@@ -0,0 +1,1351 @@
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diff --git a/extensions/authentication-jwt/package.json b/extensions/authentication-jwt/package.json
new file mode 100644
index 000000000000..1b5b16d26e5c
--- /dev/null
+++ b/extensions/authentication-jwt/package.json
@@ -0,0 +1,68 @@
+{
+ "name": "@loopback/extension-authentication-jwt",
+ "version": "0.0.0",
+ "description": "Extension for the prototype of JWT authentication",
+ "engines": {
+ "node": ">=10"
+ },
+ "scripts": {
+ "build": "lb-tsc",
+ "clean": "lb-clean loopback-extension-authentication-jwt*.tgz dist tsconfig.build.tsbuildinfo package",
+ "pretest": "npm run build",
+ "test": "lb-mocha \"dist/__tests__/unit/*.js\" \"dist/__tests__/acceptance/*.js\"",
+ "verify": "npm pack && tar xf loopback-extension-authentication-jwt*.tgz && tree package && npm run clean"
+ },
+ "author": "IBM Corp.",
+ "copyright.owner": "IBM Corp.",
+ "license": "MIT",
+ "dependencies": {
+ "@loopback/authentication": "^4.1.1",
+ "@loopback/core": "^2.2.0",
+ "@loopback/openapi-v3": "^3.1.1",
+ "@loopback/rest": "^3.1.0",
+ "@loopback/rest-explorer": "^2.0.2",
+ "@loopback/security": "^0.2.2",
+ "@loopback/service-proxy": "^2.0.2",
+ "@types/bcryptjs": "2.4.2",
+ "bcryptjs": "^2.4.3",
+ "jsonwebtoken": "^8.5.1"
+ },
+ "devDependencies": {
+ "@loopback/build": "^5.0.0",
+ "@loopback/boot": "^2.0.2",
+ "@loopback/repository": "^2.0.2",
+ "@loopback/eslint-config": "^6.0.2",
+ "@loopback/testlab": "^2.0.2",
+ "@types/lodash": "^4.14.149",
+ "@types/node": "^10.17.18",
+ "@typescript-eslint/eslint-plugin": "^2.26.0",
+ "@typescript-eslint/parser": "^2.26.0",
+ "eslint": "^6.8.0",
+ "eslint-config-prettier": "^6.10.1",
+ "eslint-plugin-eslint-plugin": "^2.2.1",
+ "eslint-plugin-mocha": "^6.2.2",
+ "lodash": "^4.17.15",
+ "typescript": "~3.8.3"
+ },
+ "keywords": [
+ "LoopBack",
+ "Authentication",
+ "jsonwebtoken"
+ ],
+ "files": [
+ "README.md",
+ "index.js",
+ "index.d.ts",
+ "dist",
+ "src",
+ "!*/__tests__"
+ ],
+ "publishConfig": {
+ "access": "public"
+ },
+ "repository": {
+ "type": "git",
+ "url": "https://github.com/strongloop/loopback-next.git",
+ "directory": "extensions/health"
+ }
+}
diff --git a/extensions/authentication-jwt/src/__tests__/acceptance/jwt.component.test.ts b/extensions/authentication-jwt/src/__tests__/acceptance/jwt.component.test.ts
new file mode 100644
index 000000000000..90f2959d204d
--- /dev/null
+++ b/extensions/authentication-jwt/src/__tests__/acceptance/jwt.component.test.ts
@@ -0,0 +1,101 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {
+ Client,
+ createRestAppClient,
+ expect,
+ givenHttpServerConfig,
+} from '@loopback/testlab';
+import {genSalt, hash} from 'bcryptjs';
+import * as _ from 'lodash';
+import {UserServiceBindings} from '../..';
+import {UserRepository} from '../../repositories';
+import {TestApplication} from '../fixtures/application';
+
+describe('jwt authentication', () => {
+ let app: TestApplication;
+ let client: Client;
+ let token: string;
+ let userRepo: UserRepository;
+
+ before(givenRunningApplication);
+ before(() => {
+ client = createRestAppClient(app);
+ });
+ after(async () => {
+ await app.stop();
+ });
+
+ it(`user login successfully`, async () => {
+ const credentials = {email: 'jane@doe.com', password: 'opensesame'};
+ const res = await client.post('/users/login').send(credentials).expect(200);
+ token = res.body.token;
+ });
+
+ it('whoAmI returns the login user id', async () => {
+ const res = await client
+ .get('/whoAmI')
+ .set('Authorization', 'Bearer ' + token)
+ .expect(200);
+ expect(res.text).to.equal('2');
+ });
+
+ /*
+ ============================================================================
+ TEST HELPERS
+ ============================================================================
+ */
+
+ async function givenRunningApplication() {
+ app = new TestApplication({
+ rest: givenHttpServerConfig(),
+ });
+
+ await app.boot();
+ userRepo = await app.get(UserServiceBindings.USER_REPOSITORY);
+ await createUsers();
+ await app.start();
+ }
+
+ async function createUsers(): Promise {
+ const hashedPassword = await hashPassword('opensesame', 10);
+ const users = [
+ {
+ id: 1,
+ username: 'John',
+ email: 'john@doe.com',
+ password: hashedPassword,
+ },
+ {
+ id: 2,
+ username: 'Jane',
+ email: 'jane@doe.com',
+ password: hashedPassword,
+ },
+ {
+ id: 3,
+ username: 'Bob',
+ email: 'bob@projects.com',
+ password: hashedPassword,
+ },
+ ];
+
+ for (const u of users) {
+ await userRepo.create(_.pick(u, ['id', 'email', 'username']));
+ await userRepo
+ .userCredentials(u.id)
+ .create({password: u.password, userId: u.id});
+ }
+ }
+
+ async function hashPassword(
+ password: string,
+ rounds: number,
+ ): Promise {
+ const salt = await genSalt(rounds);
+ return hash(password, salt);
+ }
+});
diff --git a/extensions/authentication-jwt/src/__tests__/fixtures/application.ts b/extensions/authentication-jwt/src/__tests__/fixtures/application.ts
new file mode 100644
index 000000000000..6c7322956980
--- /dev/null
+++ b/extensions/authentication-jwt/src/__tests__/fixtures/application.ts
@@ -0,0 +1,80 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {AuthenticationComponent} from '@loopback/authentication';
+import {BootMixin} from '@loopback/boot';
+import {ApplicationConfig} from '@loopback/core';
+import {RepositoryMixin} from '@loopback/repository';
+import {RestApplication} from '@loopback/rest';
+import {RestExplorerComponent} from '@loopback/rest-explorer';
+import {ServiceMixin} from '@loopback/service-proxy';
+import path from 'path';
+import {
+ JWTAuthenticationComponent,
+ SECURITY_SCHEME_SPEC,
+ UserServiceBindings,
+} from '../../';
+import {DbDataSource} from './datasources/db.datasource';
+import {MySequence} from './sequence';
+
+export class TestApplication extends BootMixin(
+ ServiceMixin(RepositoryMixin(RestApplication)),
+) {
+ constructor(options: ApplicationConfig = {}) {
+ super(options);
+
+ // Set up the custom sequence
+ this.sequence(MySequence);
+
+ // Set up default home page
+ this.static('/', path.join(__dirname, '../public'));
+
+ // - enable jwt auth -
+ // Add security spec (To be done: refactor it to an enhancer)
+ this.addSecuritySpec();
+ // Mount authentication system
+ this.component(AuthenticationComponent);
+ // Mount jwt component
+ this.component(JWTAuthenticationComponent);
+ // Bind datasource
+ this.dataSource(DbDataSource, UserServiceBindings.DATASOURCE_NAME);
+
+ this.component(RestExplorerComponent);
+ this.projectRoot = __dirname;
+ // Customize @loopback/boot Booter Conventions here
+ this.bootOptions = {
+ controllers: {
+ dirs: ['controllers'],
+ extensions: ['.controller.js'],
+ nested: true,
+ },
+ repositories: {
+ dirs: ['repositories'],
+ extensions: ['.repository.js'],
+ nested: true,
+ },
+ };
+ }
+
+ // - enable jwt auth -
+ addSecuritySpec(): void {
+ this.api({
+ openapi: '3.0.0',
+ info: {
+ title: 'test application',
+ version: '1.0.0',
+ },
+ paths: {},
+ components: {securitySchemes: SECURITY_SCHEME_SPEC},
+ security: [
+ {
+ // secure all endpoints with 'jwt'
+ jwt: [],
+ },
+ ],
+ servers: [{url: '/'}],
+ });
+ }
+}
diff --git a/extensions/authentication-jwt/src/__tests__/fixtures/controllers/user.controller.ts b/extensions/authentication-jwt/src/__tests__/fixtures/controllers/user.controller.ts
new file mode 100644
index 000000000000..6caeba411819
--- /dev/null
+++ b/extensions/authentication-jwt/src/__tests__/fixtures/controllers/user.controller.ts
@@ -0,0 +1,97 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+import {
+ authenticate,
+ TokenService,
+ UserService,
+} from '@loopback/authentication';
+import {inject} from '@loopback/core';
+import {get, post, requestBody} from '@loopback/rest';
+import {SecurityBindings, securityId, UserProfile} from '@loopback/security';
+import {TokenServiceBindings, User, UserServiceBindings} from '../../../';
+import {Credentials} from '../../../services/user.service';
+
+const CredentialsSchema = {
+ type: 'object',
+ required: ['email', 'password'],
+ properties: {
+ email: {
+ type: 'string',
+ format: 'email',
+ },
+ password: {
+ type: 'string',
+ minLength: 8,
+ },
+ },
+};
+
+export const CredentialsRequestBody = {
+ description: 'The input of login function',
+ required: true,
+ content: {
+ 'application/json': {schema: CredentialsSchema},
+ },
+};
+
+export class UserController {
+ constructor(
+ @inject(TokenServiceBindings.TOKEN_SERVICE)
+ public jwtService: TokenService,
+ @inject(UserServiceBindings.USER_SERVICE)
+ public userService: UserService,
+ @inject(SecurityBindings.USER, {optional: true})
+ private user: UserProfile,
+ ) {}
+
+ @post('/users/login', {
+ responses: {
+ '200': {
+ description: 'Token',
+ content: {
+ 'application/json': {
+ schema: {
+ type: 'object',
+ properties: {
+ token: {
+ type: 'string',
+ },
+ },
+ },
+ },
+ },
+ },
+ },
+ })
+ async login(
+ @requestBody(CredentialsRequestBody) credentials: Credentials,
+ ): Promise<{token: string}> {
+ // ensure the user exists, and the password is correct
+ const user = await this.userService.verifyCredentials(credentials);
+
+ // convert a User object into a UserProfile object (reduced set of properties)
+ const userProfile = this.userService.convertToUserProfile(user);
+
+ // create a JSON Web Token based on the user profile
+ const token = await this.jwtService.generateToken(userProfile);
+
+ return {token};
+ }
+
+ @authenticate('jwt')
+ @get('/whoAmI', {
+ responses: {
+ '200': {
+ description: '',
+ schema: {
+ type: 'string',
+ },
+ },
+ },
+ })
+ async whoAmI(): Promise {
+ return this.user[securityId];
+ }
+}
diff --git a/extensions/authentication-jwt/src/__tests__/fixtures/datasources/db.datasource.config.json b/extensions/authentication-jwt/src/__tests__/fixtures/datasources/db.datasource.config.json
new file mode 100644
index 000000000000..43202b0a3aa8
--- /dev/null
+++ b/extensions/authentication-jwt/src/__tests__/fixtures/datasources/db.datasource.config.json
@@ -0,0 +1,4 @@
+{
+ "name": "db",
+ "connector": "memory"
+}
diff --git a/extensions/authentication-jwt/src/__tests__/fixtures/datasources/db.datasource.ts b/extensions/authentication-jwt/src/__tests__/fixtures/datasources/db.datasource.ts
new file mode 100644
index 000000000000..99ed459a8402
--- /dev/null
+++ b/extensions/authentication-jwt/src/__tests__/fixtures/datasources/db.datasource.ts
@@ -0,0 +1,19 @@
+// Copyright IBM Corp. 2018,2019. All Rights Reserved.
+// Node module: @loopback/example-todo
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {inject} from '@loopback/core';
+import {juggler} from '@loopback/repository';
+import config from './db.datasource.config.json';
+
+export class DbDataSource extends juggler.DataSource {
+ static dataSourceName = 'db';
+
+ constructor(
+ @inject('datasources.config.db', {optional: true})
+ dsConfig: object = config,
+ ) {
+ super(dsConfig);
+ }
+}
diff --git a/extensions/authentication-jwt/src/__tests__/fixtures/sequence.ts b/extensions/authentication-jwt/src/__tests__/fixtures/sequence.ts
new file mode 100644
index 000000000000..ef79e59873d7
--- /dev/null
+++ b/extensions/authentication-jwt/src/__tests__/fixtures/sequence.ts
@@ -0,0 +1,62 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {
+ AuthenticateFn,
+ AuthenticationBindings,
+ AUTHENTICATION_STRATEGY_NOT_FOUND,
+ USER_PROFILE_NOT_FOUND,
+} from '@loopback/authentication';
+import {Context, inject} from '@loopback/core';
+import {
+ FindRoute,
+ InvokeMethod,
+ ParseParams,
+ Reject,
+ RequestContext,
+ RestBindings,
+ Send,
+ SequenceHandler,
+} from '@loopback/rest';
+
+const SequenceActions = RestBindings.SequenceActions;
+
+export class MySequence implements SequenceHandler {
+ constructor(
+ @inject(RestBindings.Http.CONTEXT) public ctx: Context,
+ @inject(SequenceActions.FIND_ROUTE) protected findRoute: FindRoute,
+ @inject(SequenceActions.PARSE_PARAMS) protected parseParams: ParseParams,
+ @inject(SequenceActions.INVOKE_METHOD) protected invoke: InvokeMethod,
+ @inject(SequenceActions.SEND) public send: Send,
+ @inject(SequenceActions.REJECT) public reject: Reject,
+ // - enable jwt auth -
+ // inject the auth action
+ @inject(AuthenticationBindings.AUTH_ACTION)
+ protected authenticateRequest: AuthenticateFn,
+ ) {}
+
+ async handle(context: RequestContext) {
+ try {
+ const {request, response} = context;
+ const route = this.findRoute(request);
+
+ // - enable jwt auth -
+ // call authentication action
+ await this.authenticateRequest(request);
+
+ const args = await this.parseParams(request, route);
+ const result = await this.invoke(route, args);
+ this.send(response, result);
+ } catch (error) {
+ if (
+ error.code === AUTHENTICATION_STRATEGY_NOT_FOUND ||
+ error.code === USER_PROFILE_NOT_FOUND
+ ) {
+ Object.assign(error, {statusCode: 401 /* Unauthorized */});
+ }
+ this.reject(context, error);
+ }
+ }
+}
diff --git a/extensions/authentication-jwt/src/__tests__/unit/jwt.service.ts b/extensions/authentication-jwt/src/__tests__/unit/jwt.service.ts
new file mode 100644
index 000000000000..5d40e0adad34
--- /dev/null
+++ b/extensions/authentication-jwt/src/__tests__/unit/jwt.service.ts
@@ -0,0 +1,47 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {HttpErrors} from '@loopback/rest';
+import {securityId} from '@loopback/security';
+import {expect} from '@loopback/testlab';
+import {JWTService} from '../../';
+
+describe('token service', () => {
+ const USER_PROFILE = {
+ email: 'test@email.com',
+ [securityId]: '1',
+ name: 'test',
+ };
+ // the jwt service only preserves field 'id' and 'name'
+ const DECODED_USER_PROFILE = {
+ id: '1',
+ name: 'test',
+ };
+ const TOKEN_SECRET_VALUE = 'myjwts3cr3t';
+ const TOKEN_EXPIRES_IN_VALUE = '60';
+ const jwtService = new JWTService(TOKEN_SECRET_VALUE, TOKEN_EXPIRES_IN_VALUE);
+
+ it('token service generateToken() succeeds', async () => {
+ const token = await jwtService.generateToken(USER_PROFILE);
+ expect(token).to.not.be.empty();
+ });
+
+ it('token service verifyToken() succeeds', async () => {
+ const token = await jwtService.generateToken(USER_PROFILE);
+ const userProfileFromToken = await jwtService.verifyToken(token);
+
+ expect(userProfileFromToken).to.deepEqual(DECODED_USER_PROFILE);
+ });
+
+ it('token service verifyToken() fails', async () => {
+ const expectedError = new HttpErrors.Unauthorized(
+ `Error verifying token : invalid token`,
+ );
+ const invalidToken = 'aaa.bbb.ccc';
+ await expect(jwtService.verifyToken(invalidToken)).to.be.rejectedWith(
+ expectedError,
+ );
+ });
+});
diff --git a/extensions/authentication-jwt/src/index.ts b/extensions/authentication-jwt/src/index.ts
new file mode 100644
index 000000000000..8e07d02f8d24
--- /dev/null
+++ b/extensions/authentication-jwt/src/index.ts
@@ -0,0 +1,10 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+export * from './jwt-authentication-component';
+export * from './keys';
+export * from './models';
+export * from './repositories';
+export * from './services';
diff --git a/extensions/authentication-jwt/src/jwt-authentication-component.ts b/extensions/authentication-jwt/src/jwt-authentication-component.ts
new file mode 100644
index 000000000000..6d795ab61bd5
--- /dev/null
+++ b/extensions/authentication-jwt/src/jwt-authentication-component.ts
@@ -0,0 +1,45 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {registerAuthenticationStrategy} from '@loopback/authentication';
+import {
+ Application,
+ Binding,
+ Component,
+ CoreBindings,
+ inject,
+} from '@loopback/core';
+import {
+ TokenServiceBindings,
+ TokenServiceConstants,
+ UserServiceBindings,
+} from './keys';
+import {UserCredentialsRepository, UserRepository} from './repositories';
+import {MyUserService} from './services';
+import {JWTAuthenticationStrategy} from './services/jwt.auth.strategy';
+import {JWTService} from './services/jwt.service';
+
+export class JWTAuthenticationComponent implements Component {
+ bindings = [
+ // token bindings
+ Binding.bind(TokenServiceBindings.TOKEN_SECRET).to(
+ TokenServiceConstants.TOKEN_SECRET_VALUE,
+ ),
+ Binding.bind(TokenServiceBindings.TOKEN_EXPIRES_IN).to(
+ TokenServiceConstants.TOKEN_EXPIRES_IN_VALUE,
+ ),
+ Binding.bind(TokenServiceBindings.TOKEN_SERVICE).toClass(JWTService),
+
+ // user bindings
+ Binding.bind(UserServiceBindings.USER_SERVICE).toClass(MyUserService),
+ Binding.bind(UserServiceBindings.USER_REPOSITORY).toClass(UserRepository),
+ Binding.bind(UserServiceBindings.USER_CREDENTIALS_REPOSITORY).toClass(
+ UserCredentialsRepository,
+ ),
+ ];
+ constructor(@inject(CoreBindings.APPLICATION_INSTANCE) app: Application) {
+ registerAuthenticationStrategy(app, JWTAuthenticationStrategy);
+ }
+}
diff --git a/extensions/authentication-jwt/src/keys.ts b/extensions/authentication-jwt/src/keys.ts
new file mode 100644
index 000000000000..ff23c61dee0b
--- /dev/null
+++ b/extensions/authentication-jwt/src/keys.ts
@@ -0,0 +1,36 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {TokenService, UserService} from '@loopback/authentication';
+import {BindingKey} from '@loopback/core';
+import {User} from './models';
+import {Credentials} from './services/user.service';
+
+export namespace TokenServiceConstants {
+ export const TOKEN_SECRET_VALUE = 'myjwts3cr3t';
+ export const TOKEN_EXPIRES_IN_VALUE = '21600';
+}
+
+export namespace TokenServiceBindings {
+ export const TOKEN_SECRET = BindingKey.create(
+ 'authentication.jwt.secret',
+ );
+ export const TOKEN_EXPIRES_IN = BindingKey.create(
+ 'authentication.jwt.expires.in.seconds',
+ );
+ export const TOKEN_SERVICE = BindingKey.create(
+ 'services.authentication.jwt.tokenservice',
+ );
+}
+
+export namespace UserServiceBindings {
+ export const USER_SERVICE = BindingKey.create>(
+ 'services.user.service',
+ );
+ export const DATASOURCE_NAME = 'jwtdb';
+ export const USER_REPOSITORY = 'repositories.UserRepository';
+ export const USER_CREDENTIALS_REPOSITORY =
+ 'repositories.UserCredentialsRepository';
+}
diff --git a/extensions/authentication-jwt/src/models/index.ts b/extensions/authentication-jwt/src/models/index.ts
new file mode 100644
index 000000000000..87f489e88cfa
--- /dev/null
+++ b/extensions/authentication-jwt/src/models/index.ts
@@ -0,0 +1,7 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+export * from './user-credentials.model';
+export * from './user.model';
diff --git a/extensions/authentication-jwt/src/models/user-credentials.model.ts b/extensions/authentication-jwt/src/models/user-credentials.model.ts
new file mode 100644
index 000000000000..53b26a31160e
--- /dev/null
+++ b/extensions/authentication-jwt/src/models/user-credentials.model.ts
@@ -0,0 +1,44 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {Entity, model, property} from '@loopback/repository';
+
+@model({settings: {strict: false}})
+export class UserCredentials extends Entity {
+ @property({
+ type: 'number',
+ id: true,
+ })
+ id: number;
+
+ @property({
+ type: 'string',
+ required: true,
+ })
+ password: string;
+
+ @property({
+ type: 'number',
+ required: true,
+ })
+ userId: number;
+
+ // Define well-known properties here
+
+ // Indexer property to allow additional data
+ // eslint-disable-next-line @typescript-eslint/no-explicit-any
+ [prop: string]: any;
+
+ constructor(data?: Partial) {
+ super(data);
+ }
+}
+
+export interface UserCredentialsRelations {
+ // describe navigational properties here
+}
+
+export type UserCredentialsWithRelations = UserCredentials &
+ UserCredentialsRelations;
diff --git a/extensions/authentication-jwt/src/models/user.model.ts b/extensions/authentication-jwt/src/models/user.model.ts
new file mode 100644
index 000000000000..219595a68d5b
--- /dev/null
+++ b/extensions/authentication-jwt/src/models/user.model.ts
@@ -0,0 +1,70 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {Entity, hasOne, model, property} from '@loopback/repository';
+import {UserCredentials} from './user-credentials.model';
+
+@model({
+ settings: {
+ strict: false,
+ },
+})
+export class User extends Entity {
+ // must keep it
+ @property({
+ type: 'number',
+ id: 1,
+ generated: false,
+ updateOnly: true,
+ })
+ id: number;
+
+ @property({
+ type: 'string',
+ })
+ realm?: string;
+
+ // must keep it
+ @property({
+ type: 'string',
+ })
+ username?: string;
+
+ // must keep it
+ @property({
+ type: 'string',
+ required: true,
+ })
+ email: string;
+
+ @property({
+ type: 'boolean',
+ })
+ emailVerified?: boolean;
+
+ @property({
+ type: 'string',
+ })
+ verificationToken?: string;
+
+ @hasOne(() => UserCredentials)
+ userCredentials: UserCredentials;
+
+ // Define well-known properties here
+
+ // Indexer property to allow additional data
+ // eslint-disable-next-line @typescript-eslint/no-explicit-any
+ [prop: string]: any;
+
+ constructor(data?: Partial) {
+ super(data);
+ }
+}
+
+export interface UserRelations {
+ // describe navigational properties here
+}
+
+export type UserWithRelations = User & UserRelations;
diff --git a/extensions/authentication-jwt/src/repositories/index.ts b/extensions/authentication-jwt/src/repositories/index.ts
new file mode 100644
index 000000000000..ec84dbc609f2
--- /dev/null
+++ b/extensions/authentication-jwt/src/repositories/index.ts
@@ -0,0 +1,7 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+export * from './user-credentials.repository';
+export * from './user.repository';
diff --git a/extensions/authentication-jwt/src/repositories/user-credentials.repository.ts b/extensions/authentication-jwt/src/repositories/user-credentials.repository.ts
new file mode 100644
index 000000000000..5785f95ac55b
--- /dev/null
+++ b/extensions/authentication-jwt/src/repositories/user-credentials.repository.ts
@@ -0,0 +1,22 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {inject} from '@loopback/core';
+import {DefaultCrudRepository, juggler} from '@loopback/repository';
+import {UserServiceBindings} from '../keys';
+import {UserCredentials, UserCredentialsRelations} from '../models';
+
+export class UserCredentialsRepository extends DefaultCrudRepository<
+ UserCredentials,
+ typeof UserCredentials.prototype.id,
+ UserCredentialsRelations
+> {
+ constructor(
+ @inject(`datasources.${UserServiceBindings.DATASOURCE_NAME}`)
+ dataSource: juggler.DataSource,
+ ) {
+ super(UserCredentials, dataSource);
+ }
+}
diff --git a/extensions/authentication-jwt/src/repositories/user.repository.ts b/extensions/authentication-jwt/src/repositories/user.repository.ts
new file mode 100644
index 000000000000..d6c19a39e80f
--- /dev/null
+++ b/extensions/authentication-jwt/src/repositories/user.repository.ts
@@ -0,0 +1,58 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {Getter, inject} from '@loopback/core';
+import {
+ DefaultCrudRepository,
+ HasOneRepositoryFactory,
+ juggler,
+ repository,
+} from '@loopback/repository';
+import {UserServiceBindings} from '../keys';
+import {User, UserCredentials, UserRelations} from '../models';
+import {UserCredentialsRepository} from './user-credentials.repository';
+
+export class UserRepository extends DefaultCrudRepository<
+ User,
+ typeof User.prototype.id,
+ UserRelations
+> {
+ public readonly userCredentials: HasOneRepositoryFactory<
+ UserCredentials,
+ typeof User.prototype.id
+ >;
+
+ constructor(
+ @inject(`datasources.${UserServiceBindings.DATASOURCE_NAME}`)
+ dataSource: juggler.DataSource,
+ @repository.getter('UserCredentialsRepository')
+ protected userCredentialsRepositoryGetter: Getter<
+ UserCredentialsRepository
+ >,
+ ) {
+ super(User, dataSource);
+ this.userCredentials = this.createHasOneRepositoryFactoryFor(
+ 'userCredentials',
+ userCredentialsRepositoryGetter,
+ );
+ this.registerInclusionResolver(
+ 'userCredentials',
+ this.userCredentials.inclusionResolver,
+ );
+ }
+
+ async findCredentials(
+ userId: typeof User.prototype.id,
+ ): Promise {
+ try {
+ return await this.userCredentials(userId).get();
+ } catch (err) {
+ if (err.code === 'ENTITY_NOT_FOUND') {
+ return undefined;
+ }
+ throw err;
+ }
+ }
+}
diff --git a/extensions/authentication-jwt/src/services/index.ts b/extensions/authentication-jwt/src/services/index.ts
new file mode 100644
index 000000000000..9586e8f1ae37
--- /dev/null
+++ b/extensions/authentication-jwt/src/services/index.ts
@@ -0,0 +1,9 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+export * from './jwt.auth.strategy';
+export * from './jwt.service';
+export * from './security.spec';
+export * from './user.service';
diff --git a/extensions/authentication-jwt/src/services/jwt.auth.strategy.ts b/extensions/authentication-jwt/src/services/jwt.auth.strategy.ts
new file mode 100644
index 000000000000..071a5d541a1d
--- /dev/null
+++ b/extensions/authentication-jwt/src/services/jwt.auth.strategy.ts
@@ -0,0 +1,50 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {AuthenticationStrategy, TokenService} from '@loopback/authentication';
+import {inject} from '@loopback/core';
+import {HttpErrors, Request} from '@loopback/rest';
+import {UserProfile} from '@loopback/security';
+import {TokenServiceBindings} from '../keys';
+
+export class JWTAuthenticationStrategy implements AuthenticationStrategy {
+ name = 'jwt';
+
+ constructor(
+ @inject(TokenServiceBindings.TOKEN_SERVICE)
+ public tokenService: TokenService,
+ ) {}
+
+ async authenticate(request: Request): Promise {
+ const token: string = this.extractCredentials(request);
+ const userProfile: UserProfile = await this.tokenService.verifyToken(token);
+ return userProfile;
+ }
+
+ extractCredentials(request: Request): string {
+ if (!request.headers.authorization) {
+ throw new HttpErrors.Unauthorized(`Authorization header not found.`);
+ }
+
+ // for example : Bearer xxx.yyy.zzz
+ const authHeaderValue = request.headers.authorization;
+
+ if (!authHeaderValue.startsWith('Bearer')) {
+ throw new HttpErrors.Unauthorized(
+ `Authorization header is not of type 'Bearer'.`,
+ );
+ }
+
+ //split the string into 2 parts : 'Bearer ' and the `xxx.yyy.zzz`
+ const parts = authHeaderValue.split(' ');
+ if (parts.length !== 2)
+ throw new HttpErrors.Unauthorized(
+ `Authorization header value has too many parts. It must follow the pattern: 'Bearer xx.yy.zz' where xx.yy.zz is a valid JWT token.`,
+ );
+ const token = parts[1];
+
+ return token;
+ }
+}
diff --git a/extensions/authentication-jwt/src/services/jwt.service.ts b/extensions/authentication-jwt/src/services/jwt.service.ts
new file mode 100644
index 000000000000..41b6705e23c5
--- /dev/null
+++ b/extensions/authentication-jwt/src/services/jwt.service.ts
@@ -0,0 +1,77 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {TokenService} from '@loopback/authentication';
+import {inject} from '@loopback/core';
+import {HttpErrors} from '@loopback/rest';
+import {securityId, UserProfile} from '@loopback/security';
+import {promisify} from 'util';
+import {TokenServiceBindings} from '../keys';
+
+const jwt = require('jsonwebtoken');
+const signAsync = promisify(jwt.sign);
+const verifyAsync = promisify(jwt.verify);
+
+export class JWTService implements TokenService {
+ constructor(
+ @inject(TokenServiceBindings.TOKEN_SECRET)
+ private jwtSecret: string,
+ @inject(TokenServiceBindings.TOKEN_EXPIRES_IN)
+ private jwtExpiresIn: string,
+ ) {}
+
+ async verifyToken(token: string): Promise {
+ if (!token) {
+ throw new HttpErrors.Unauthorized(
+ `Error verifying token : 'token' is null`,
+ );
+ }
+
+ let userProfile: UserProfile;
+
+ try {
+ // decode user profile from token
+ const decodedToken = await verifyAsync(token, this.jwtSecret);
+ // don't copy over token field 'iat' and 'exp', nor 'email' to user profile
+ userProfile = Object.assign(
+ {[securityId]: '', name: ''},
+ {
+ [securityId]: decodedToken.id,
+ name: decodedToken.name,
+ id: decodedToken.id,
+ },
+ );
+ } catch (error) {
+ throw new HttpErrors.Unauthorized(
+ `Error verifying token : ${error.message}`,
+ );
+ }
+ return userProfile;
+ }
+
+ async generateToken(userProfile: UserProfile): Promise {
+ if (!userProfile) {
+ throw new HttpErrors.Unauthorized(
+ 'Error generating token : userProfile is null',
+ );
+ }
+ const userInfoForToken = {
+ id: userProfile[securityId],
+ name: userProfile.name,
+ email: userProfile.email,
+ };
+ // Generate a JSON Web Token
+ let token: string;
+ try {
+ token = await signAsync(userInfoForToken, this.jwtSecret, {
+ expiresIn: Number(this.jwtExpiresIn),
+ });
+ } catch (error) {
+ throw new HttpErrors.Unauthorized(`Error encoding token : ${error}`);
+ }
+
+ return token;
+ }
+}
diff --git a/extensions/authentication-jwt/src/services/security.spec.ts b/extensions/authentication-jwt/src/services/security.spec.ts
new file mode 100644
index 000000000000..978a965cca3a
--- /dev/null
+++ b/extensions/authentication-jwt/src/services/security.spec.ts
@@ -0,0 +1,18 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {ReferenceObject, SecuritySchemeObject} from '@loopback/openapi-v3';
+
+export const OPERATION_SECURITY_SPEC = [{jwt: []}];
+export type SecuritySchemeObjects = {
+ [securityScheme: string]: SecuritySchemeObject | ReferenceObject;
+};
+export const SECURITY_SCHEME_SPEC: SecuritySchemeObjects = {
+ jwt: {
+ type: 'http',
+ scheme: 'bearer',
+ bearerFormat: 'JWT',
+ },
+};
diff --git a/extensions/authentication-jwt/src/services/user.service.ts b/extensions/authentication-jwt/src/services/user.service.ts
new file mode 100644
index 000000000000..362782c1a899
--- /dev/null
+++ b/extensions/authentication-jwt/src/services/user.service.ts
@@ -0,0 +1,65 @@
+// Copyright IBM Corp. 2020. All Rights Reserved.
+// Node module: @loopback/extension-authentication-jwt
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+import {UserService} from '@loopback/authentication';
+import {repository} from '@loopback/repository';
+import {HttpErrors} from '@loopback/rest';
+import {securityId, UserProfile} from '@loopback/security';
+import {compare} from 'bcryptjs';
+import {User} from '../models';
+import {UserRepository} from '../repositories';
+
+/**
+ * A pre-defined type for user credentials. It assumes a user logs in
+ * using the email and password. You can modify it if your app has different credential fields
+ */
+export type Credentials = {
+ email: string;
+ password: string;
+};
+
+export class MyUserService implements UserService {
+ constructor(
+ @repository(UserRepository) public userRepository: UserRepository,
+ ) {}
+
+ async verifyCredentials(credentials: Credentials): Promise {
+ const invalidCredentialsError = 'Invalid email or password.';
+
+ const foundUser = await this.userRepository.findOne({
+ where: {email: credentials.email},
+ });
+ if (!foundUser) {
+ throw new HttpErrors.Unauthorized(invalidCredentialsError);
+ }
+
+ const credentialsFound = await this.userRepository.findCredentials(
+ foundUser.id,
+ );
+ if (!credentialsFound) {
+ throw new HttpErrors.Unauthorized(invalidCredentialsError);
+ }
+
+ const passwordMatched = await compare(
+ credentials.password,
+ credentialsFound.password,
+ );
+
+ if (!passwordMatched) {
+ throw new HttpErrors.Unauthorized(invalidCredentialsError);
+ }
+
+ return foundUser;
+ }
+
+ convertToUserProfile(user: User): UserProfile {
+ return {
+ [securityId]: user.id.toString(),
+ name: user.username,
+ id: user.id,
+ email: user.email,
+ };
+ }
+}
diff --git a/extensions/authentication-jwt/tsconfig.build.json b/extensions/authentication-jwt/tsconfig.build.json
new file mode 100644
index 000000000000..c7b8e49eaca5
--- /dev/null
+++ b/extensions/authentication-jwt/tsconfig.build.json
@@ -0,0 +1,9 @@
+{
+ "$schema": "http://json.schemastore.org/tsconfig",
+ "extends": "@loopback/build/config/tsconfig.common.json",
+ "compilerOptions": {
+ "outDir": "dist",
+ "rootDir": "src"
+ },
+ "include": ["src"]
+}