<%# Copyright 2013-2021 the original author or authors from the JHipster project. This file is part of the JHipster project, see https://www.jhipster.tech/ for more information. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at https://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. -%> package <%= packageName %>.web.rest; import <%= packageName %>.security.jwt.JWTFilter; import <%= packageName %>.security.jwt.TokenProvider; import <%= packageName %>.web.rest.vm.LoginVM; import com.fasterxml.jackson.annotation.JsonProperty; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; <%_ if (reactive) { _%> import org.springframework.security.authentication.ReactiveAuthenticationManager; <%_ } _%> import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; <%_ if (!reactive) { _%> import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder; import org.springframework.security.core.Authentication; import org.springframework.security.core.context.SecurityContextHolder; <%_ } _%> import org.springframework.web.bind.annotation.*; <%_ if (reactive) { _%> import reactor.core.publisher.Mono; import reactor.core.scheduler.Schedulers; <%_ } _%> import javax.validation.Valid; /** * Controller to authenticate users. */ @RestController @RequestMapping("/api") public class UserJWTController { <%_ if (!reactive) { _%> private final TokenProvider tokenProvider; private final AuthenticationManagerBuilder authenticationManagerBuilder; public UserJWTController(TokenProvider tokenProvider, AuthenticationManagerBuilder authenticationManagerBuilder) { this.tokenProvider = tokenProvider; this.authenticationManagerBuilder = authenticationManagerBuilder; } @PostMapping("/authenticate") public ResponseEntity authorize(@Valid @RequestBody LoginVM loginVM) { UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(loginVM.getUsername(), loginVM.getPassword()); Authentication authentication = authenticationManagerBuilder.getObject().authenticate(authenticationToken); SecurityContextHolder.getContext().setAuthentication(authentication); String jwt = tokenProvider.createToken(authentication, loginVM.isRememberMe()); HttpHeaders httpHeaders = new HttpHeaders(); httpHeaders.add(JWTFilter.AUTHORIZATION_HEADER, "Bearer " + jwt); return new ResponseEntity<>(new JWTToken(jwt), httpHeaders, HttpStatus.OK); } <%_ } else { _%> private final TokenProvider tokenProvider; private final ReactiveAuthenticationManager authenticationManager; public UserJWTController(TokenProvider tokenProvider, ReactiveAuthenticationManager authenticationManager) { this.tokenProvider = tokenProvider; this.authenticationManager = authenticationManager; } @PostMapping("/authenticate") public Mono> authorize(@Valid @RequestBody Mono loginVM) { return loginVM .flatMap(login -> authenticationManager .authenticate(new UsernamePasswordAuthenticationToken(login.getUsername(), login.getPassword())) .flatMap(auth -> Mono.fromCallable(() -> tokenProvider.createToken(auth, login.isRememberMe()))) ) .map(jwt -> { HttpHeaders httpHeaders = new HttpHeaders(); httpHeaders.add(JWTFilter.AUTHORIZATION_HEADER, "Bearer " + jwt); return new ResponseEntity<>(new JWTToken(jwt), httpHeaders, HttpStatus.OK); }); } <%_ } _%> /** * Object to return as body in JWT Authentication. */ static class JWTToken { private String idToken; JWTToken(String idToken) { this.idToken = idToken; } @JsonProperty("id_token") String getIdToken() { return idToken; } void setIdToken(String idToken) { this.idToken = idToken; } } }