├── src ├── main │ ├── java │ │ └── com │ │ │ └── ard333 │ │ │ └── springbootwebfluxjjwt │ │ │ ├── model │ │ │ ├── security │ │ │ │ ├── Role.java │ │ │ │ ├── AuthResponse.java │ │ │ │ └── AuthRequest.java │ │ │ ├── Message.java │ │ │ └── User.java │ │ │ ├── security │ │ │ ├── model │ │ │ │ ├── Role.java │ │ │ │ ├── AuthResponse.java │ │ │ │ └── AuthRequest.java │ │ │ ├── CORSFilter.java │ │ │ ├── AuthenticationManager.java │ │ │ ├── PBKDF2Encoder.java │ │ │ ├── SecurityContextRepository.java │ │ │ ├── WebSecurityConfig.java │ │ │ └── JWTUtil.java │ │ │ ├── SpringBootWebfluxJjwtApplication.java │ │ │ ├── rest │ │ │ ├── ResourceREST.java │ │ │ └── AuthenticationREST.java │ │ │ └── service │ │ │ └── UserService.java │ └── resources │ │ └── application.properties └── test │ └── java │ └── id │ └── web │ └── ard │ └── springbootwebfluxjjwt │ └── SpringBootWebfluxJjwtApplicationTests.java ├── README.md ├── .gitignore ├── pom.xml └── LICENSE /src/main/java/com/ard333/springbootwebfluxjjwt/model/security/Role.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.model.security; 2 | 3 | public enum Role { 4 | ROLE_USER, ROLE_ADMIN 5 | } -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/security/model/Role.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.security.model; 2 | 3 | /** 4 | * 5 | * @author ard333 6 | */ 7 | public enum Role { 8 | ROLE_USER, ROLE_ADMIN 9 | } -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # spring-boot-webflux-jjwt 2 | Example Spring Boot and WebFlux (Reactive Web) with Spring Security and JWT for token Authentication and Authorization 3 | 4 | ### Documantation 5 | You can see my Medium story, [Authentication and Authorization Using JWT on Spring Webflux](https://medium.com/@ard333/29b81f813e78) 6 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/model/Message.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.model; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | 7 | @Data 8 | @NoArgsConstructor 9 | @AllArgsConstructor 10 | public class Message { 11 | private String content; 12 | } 13 | -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | springbootwebfluxjjwt.password.encoder.secret=mysecret 2 | springbootwebfluxjjwt.password.encoder.iteration=33 3 | springbootwebfluxjjwt.password.encoder.keylength=256 4 | 5 | springbootwebfluxjjwt.jjwt.secret=ThisIsSecretForJWTHS512SignatureAlgorithmThatMUSTHave64ByteLength 6 | springbootwebfluxjjwt.jjwt.expiration=28800 -------------------------------------------------------------------------------- /src/test/java/id/web/ard/springbootwebfluxjjwt/SpringBootWebfluxJjwtApplicationTests.java: -------------------------------------------------------------------------------- 1 | package id.web.ard.springbootwebfluxjjwt; 2 | 3 | import org.junit.jupiter.api.Test; 4 | import org.springframework.boot.test.context.SpringBootTest; 5 | 6 | @SpringBootTest 7 | class DemoApplicationTests { 8 | 9 | @Test 10 | void contextLoads() { 11 | } 12 | 13 | } 14 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/model/security/AuthResponse.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.model.security; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | 7 | @Data 8 | @NoArgsConstructor 9 | @AllArgsConstructor 10 | public class AuthResponse { 11 | private String token; 12 | 13 | } 14 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/model/security/AuthRequest.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.model.security; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | 7 | @Data 8 | @NoArgsConstructor 9 | @AllArgsConstructor 10 | public class AuthRequest { 11 | private String username; 12 | private String password; 13 | 14 | } 15 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | /target/ 2 | !.mvn/wrapper/maven-wrapper.jar 3 | 4 | ### STS ### 5 | .apt_generated 6 | .classpath 7 | .factorypath 8 | .project 9 | .settings 10 | .springBeans 11 | .sts4-cache 12 | 13 | ### IntelliJ IDEA ### 14 | .idea 15 | *.iws 16 | *.iml 17 | *.ipr 18 | 19 | ### NetBeans ### 20 | /nbproject/private/ 21 | /build/ 22 | /nbbuild/ 23 | /dist/ 24 | /nbdist/ 25 | /.nb-gradle/ 26 | nbactions.xml 27 | 28 | # VS Code # 29 | .vscode -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/security/model/AuthResponse.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.security.model; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | import lombok.ToString; 7 | 8 | /** 9 | * 10 | * @author ard333 11 | */ 12 | @Data @NoArgsConstructor @AllArgsConstructor @ToString 13 | public class AuthResponse { 14 | private String token; 15 | 16 | } 17 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/security/model/AuthRequest.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.security.model; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | import lombok.ToString; 7 | 8 | /** 9 | * 10 | * @author ard333 11 | */ 12 | @Data @NoArgsConstructor @AllArgsConstructor @ToString 13 | public class AuthRequest { 14 | private String username; 15 | private String password; 16 | 17 | } 18 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/SpringBootWebfluxJjwtApplication.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class SpringBootWebfluxJjwtApplication { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(SpringBootWebfluxJjwtApplication.class, args); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/security/CORSFilter.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.security; 2 | 3 | import org.springframework.context.annotation.Configuration; 4 | import org.springframework.web.reactive.config.CorsRegistry; 5 | import org.springframework.web.reactive.config.EnableWebFlux; 6 | import org.springframework.web.reactive.config.WebFluxConfigurer; 7 | 8 | @Configuration 9 | @EnableWebFlux 10 | public class CORSFilter implements WebFluxConfigurer { 11 | 12 | @Override 13 | public void addCorsMappings(CorsRegistry registry) { 14 | registry.addMapping("/**").allowedOrigins("*").allowedMethods("*").allowedHeaders("*"); 15 | } 16 | } -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/rest/ResourceREST.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.rest; 2 | 3 | import com.ard333.springbootwebfluxjjwt.model.Message; 4 | import org.springframework.http.ResponseEntity; 5 | import org.springframework.security.access.prepost.PreAuthorize; 6 | import org.springframework.web.bind.annotation.GetMapping; 7 | import org.springframework.web.bind.annotation.RestController; 8 | import reactor.core.publisher.Mono; 9 | 10 | @RestController 11 | public class ResourceREST { 12 | 13 | @GetMapping("/resource/user") 14 | @PreAuthorize("hasRole('USER')") 15 | public Mono> user() { 16 | return Mono.just(ResponseEntity.ok(new Message("Content for user"))); 17 | } 18 | 19 | @GetMapping("/resource/admin") 20 | @PreAuthorize("hasRole('ADMIN')") 21 | public Mono> admin() { 22 | return Mono.just(ResponseEntity.ok(new Message("Content for admin"))); 23 | } 24 | 25 | @GetMapping("/resource/user-or-admin") 26 | @PreAuthorize("hasRole('USER') or hasRole('ADMIN')") 27 | public Mono> userOrAdmin() { 28 | return Mono.just(ResponseEntity.ok(new Message("Content for user or admin"))); 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/service/UserService.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.service; 2 | 3 | import com.ard333.springbootwebfluxjjwt.model.User; 4 | import com.ard333.springbootwebfluxjjwt.model.security.Role; 5 | 6 | import java.util.Arrays; 7 | import java.util.HashMap; 8 | import java.util.Map; 9 | 10 | import javax.annotation.PostConstruct; 11 | 12 | import org.springframework.stereotype.Service; 13 | import reactor.core.publisher.Mono; 14 | 15 | /** 16 | * This is just an example, you can load the user from the database from the repository. 17 | * 18 | */ 19 | @Service 20 | public class UserService { 21 | 22 | private Map data; 23 | 24 | @PostConstruct 25 | public void init() { 26 | data = new HashMap<>(); 27 | 28 | //username:passwowrd -> user:user 29 | data.put("user", new User("user", "cBrlgyL2GI2GINuLUUwgojITuIufFycpLG4490dhGtY=", true, Arrays.asList(Role.ROLE_USER))); 30 | 31 | //username:passwowrd -> admin:admin 32 | data.put("admin", new User("admin", "dQNjUIMorJb8Ubj2+wVGYp6eAeYkdekqAcnYp+aRq5w=", true, Arrays.asList(Role.ROLE_ADMIN))); 33 | } 34 | 35 | public Mono findByUsername(String username) { 36 | return Mono.justOrEmpty(data.get(username)); 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/rest/AuthenticationREST.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.rest; 2 | 3 | import com.ard333.springbootwebfluxjjwt.model.security.AuthRequest; 4 | import com.ard333.springbootwebfluxjjwt.model.security.AuthResponse; 5 | import com.ard333.springbootwebfluxjjwt.security.JWTUtil; 6 | import com.ard333.springbootwebfluxjjwt.security.PBKDF2Encoder; 7 | import com.ard333.springbootwebfluxjjwt.service.UserService; 8 | import org.springframework.http.HttpStatus; 9 | import org.springframework.http.ResponseEntity; 10 | import org.springframework.web.bind.annotation.PostMapping; 11 | import org.springframework.web.bind.annotation.RequestBody; 12 | import org.springframework.web.bind.annotation.RestController; 13 | 14 | import lombok.AllArgsConstructor; 15 | import reactor.core.publisher.Mono; 16 | 17 | @AllArgsConstructor 18 | @RestController 19 | public class AuthenticationREST { 20 | 21 | private JWTUtil jwtUtil; 22 | private PBKDF2Encoder passwordEncoder; 23 | private UserService userService; 24 | 25 | @PostMapping("/login") 26 | public Mono> login(@RequestBody AuthRequest ar) { 27 | return userService.findByUsername(ar.getUsername()) 28 | .filter(userDetails -> passwordEncoder.encode(ar.getPassword()).equals(userDetails.getPassword())) 29 | .map(userDetails -> ResponseEntity.ok(new AuthResponse(jwtUtil.generateToken(userDetails)))) 30 | .switchIfEmpty(Mono.just(ResponseEntity.status(HttpStatus.UNAUTHORIZED).build())); 31 | } 32 | 33 | } 34 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/security/AuthenticationManager.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.security; 2 | 3 | import io.jsonwebtoken.Claims; 4 | import lombok.AllArgsConstructor; 5 | 6 | import org.springframework.security.authentication.ReactiveAuthenticationManager; 7 | import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; 8 | import org.springframework.security.core.Authentication; 9 | import org.springframework.security.core.authority.SimpleGrantedAuthority; 10 | import org.springframework.stereotype.Component; 11 | import reactor.core.publisher.Mono; 12 | import java.util.List; 13 | import java.util.stream.Collectors; 14 | 15 | @Component 16 | @AllArgsConstructor 17 | public class AuthenticationManager implements ReactiveAuthenticationManager { 18 | 19 | private JWTUtil jwtUtil; 20 | 21 | @Override 22 | @SuppressWarnings("unchecked") 23 | public Mono authenticate(Authentication authentication) { 24 | String authToken = authentication.getCredentials().toString(); 25 | String username = jwtUtil.getUsernameFromToken(authToken); 26 | return Mono.just(jwtUtil.validateToken(authToken)) 27 | .filter(valid -> valid) 28 | .switchIfEmpty(Mono.empty()) 29 | .map(valid -> { 30 | Claims claims = jwtUtil.getAllClaimsFromToken(authToken); 31 | List rolesMap = claims.get("role", List.class); 32 | return new UsernamePasswordAuthenticationToken( 33 | username, 34 | null, 35 | rolesMap.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList()) 36 | ); 37 | }); 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/security/PBKDF2Encoder.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.security; 2 | 3 | import java.security.NoSuchAlgorithmException; 4 | import java.security.spec.InvalidKeySpecException; 5 | import java.util.Base64; 6 | import javax.crypto.SecretKeyFactory; 7 | import javax.crypto.spec.PBEKeySpec; 8 | import org.springframework.beans.factory.annotation.Value; 9 | import org.springframework.security.crypto.password.PasswordEncoder; 10 | import org.springframework.stereotype.Component; 11 | 12 | @Component 13 | public class PBKDF2Encoder implements PasswordEncoder { 14 | 15 | @Value("${springbootwebfluxjjwt.password.encoder.secret}") 16 | private String secret; 17 | 18 | @Value("${springbootwebfluxjjwt.password.encoder.iteration}") 19 | private Integer iteration; 20 | 21 | @Value("${springbootwebfluxjjwt.password.encoder.keylength}") 22 | private Integer keylength; 23 | 24 | /** 25 | * More info (https://www.owasp.org/index.php/Hashing_Java) 404 :( 26 | * @param cs password 27 | * @return encoded password 28 | */ 29 | @Override 30 | public String encode(CharSequence cs) { 31 | try { 32 | byte[] result = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA512") 33 | .generateSecret(new PBEKeySpec(cs.toString().toCharArray(), secret.getBytes(), iteration, keylength)) 34 | .getEncoded(); 35 | return Base64.getEncoder().encodeToString(result); 36 | } catch (NoSuchAlgorithmException | InvalidKeySpecException ex) { 37 | throw new RuntimeException(ex); 38 | } 39 | } 40 | 41 | @Override 42 | public boolean matches(CharSequence cs, String string) { 43 | return encode(cs).equals(string); 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/security/SecurityContextRepository.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.security; 2 | 3 | import org.springframework.http.HttpHeaders; 4 | import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; 5 | import org.springframework.security.core.Authentication; 6 | import org.springframework.security.core.context.SecurityContext; 7 | import org.springframework.security.core.context.SecurityContextImpl; 8 | import org.springframework.security.web.server.context.ServerSecurityContextRepository; 9 | import org.springframework.stereotype.Component; 10 | import org.springframework.web.server.ServerWebExchange; 11 | import reactor.core.publisher.Mono; 12 | 13 | @Component 14 | public class SecurityContextRepository implements ServerSecurityContextRepository { 15 | 16 | private AuthenticationManager authenticationManager; 17 | 18 | public SecurityContextRepository(AuthenticationManager authenticationManager) { 19 | this.authenticationManager = authenticationManager; 20 | } 21 | 22 | @Override 23 | public Mono save(ServerWebExchange swe, SecurityContext sc) { 24 | throw new UnsupportedOperationException("Not supported yet."); 25 | } 26 | 27 | @Override 28 | public Mono load(ServerWebExchange swe) { 29 | return Mono.justOrEmpty(swe.getRequest().getHeaders().getFirst(HttpHeaders.AUTHORIZATION)) 30 | .filter(authHeader -> authHeader.startsWith("Bearer ")) 31 | .flatMap(authHeader -> { 32 | String authToken = authHeader.substring(7); 33 | Authentication auth = new UsernamePasswordAuthenticationToken(authToken, authToken); 34 | return this.authenticationManager.authenticate(auth).map(SecurityContextImpl::new); 35 | }); 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/security/WebSecurityConfig.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.security; 2 | 3 | import org.springframework.context.annotation.Bean; 4 | import org.springframework.http.HttpMethod; 5 | import org.springframework.http.HttpStatus; 6 | import org.springframework.security.config.annotation.method.configuration.EnableReactiveMethodSecurity; 7 | import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity; 8 | import org.springframework.security.config.web.server.ServerHttpSecurity; 9 | import org.springframework.security.web.server.SecurityWebFilterChain; 10 | 11 | import lombok.AllArgsConstructor; 12 | import reactor.core.publisher.Mono; 13 | 14 | @AllArgsConstructor 15 | @EnableWebFluxSecurity 16 | @EnableReactiveMethodSecurity 17 | public class WebSecurityConfig { 18 | 19 | private AuthenticationManager authenticationManager; 20 | private SecurityContextRepository securityContextRepository; 21 | 22 | @Bean 23 | public SecurityWebFilterChain securitygWebFilterChain(ServerHttpSecurity http) { 24 | return http 25 | .exceptionHandling() 26 | .authenticationEntryPoint((swe, e) -> 27 | Mono.fromRunnable(() -> swe.getResponse().setStatusCode(HttpStatus.UNAUTHORIZED)) 28 | ).accessDeniedHandler((swe, e) -> 29 | Mono.fromRunnable(() -> swe.getResponse().setStatusCode(HttpStatus.FORBIDDEN)) 30 | ).and() 31 | .csrf().disable() 32 | .formLogin().disable() 33 | .httpBasic().disable() 34 | .authenticationManager(authenticationManager) 35 | .securityContextRepository(securityContextRepository) 36 | .authorizeExchange() 37 | .pathMatchers(HttpMethod.OPTIONS).permitAll() 38 | .pathMatchers("/login").permitAll() 39 | .anyExchange().authenticated() 40 | .and().build(); 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/model/User.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.model; 2 | 3 | import com.ard333.springbootwebfluxjjwt.model.security.Role; 4 | import com.fasterxml.jackson.annotation.JsonIgnore; 5 | import com.fasterxml.jackson.annotation.JsonProperty; 6 | 7 | import org.springframework.security.core.GrantedAuthority; 8 | import org.springframework.security.core.authority.SimpleGrantedAuthority; 9 | import org.springframework.security.core.userdetails.UserDetails; 10 | import java.util.Collection; 11 | import java.util.List; 12 | import java.util.stream.Collectors; 13 | import lombok.AllArgsConstructor; 14 | import lombok.Getter; 15 | import lombok.NoArgsConstructor; 16 | import lombok.Setter; 17 | import lombok.ToString; 18 | 19 | @ToString 20 | @NoArgsConstructor 21 | @AllArgsConstructor 22 | public class User implements UserDetails { 23 | private static final long serialVersionUID = 1L; 24 | 25 | private String username; 26 | 27 | private String password; 28 | 29 | @Getter @Setter 30 | private Boolean enabled; 31 | 32 | @Getter @Setter 33 | private List roles; 34 | 35 | @Override 36 | public String getUsername() { 37 | return username; 38 | } 39 | 40 | public void setUsername(String username) { 41 | this.username = username; 42 | } 43 | 44 | @Override 45 | public boolean isAccountNonExpired() { 46 | return false; 47 | } 48 | 49 | @Override 50 | public boolean isAccountNonLocked() { 51 | return false; 52 | } 53 | 54 | @Override 55 | public boolean isCredentialsNonExpired() { 56 | return false; 57 | } 58 | 59 | @Override 60 | public boolean isEnabled() { 61 | return this.enabled; 62 | } 63 | 64 | @Override 65 | public Collection getAuthorities() { 66 | return this.roles.stream().map(authority -> new SimpleGrantedAuthority(authority.name())).collect(Collectors.toList()); 67 | } 68 | 69 | @JsonIgnore 70 | @Override 71 | public String getPassword() { 72 | return password; 73 | } 74 | 75 | @JsonProperty 76 | public void setPassword(String password) { 77 | this.password = password; 78 | } 79 | 80 | } -------------------------------------------------------------------------------- /src/main/java/com/ard333/springbootwebfluxjjwt/security/JWTUtil.java: -------------------------------------------------------------------------------- 1 | package com.ard333.springbootwebfluxjjwt.security; 2 | 3 | import com.ard333.springbootwebfluxjjwt.model.User; 4 | import java.security.Key; 5 | import java.util.Date; 6 | import java.util.HashMap; 7 | import java.util.Map; 8 | 9 | import javax.annotation.PostConstruct; 10 | 11 | import io.jsonwebtoken.Claims; 12 | import io.jsonwebtoken.Jwts; 13 | import io.jsonwebtoken.security.Keys; 14 | 15 | import org.springframework.beans.factory.annotation.Value; 16 | import org.springframework.stereotype.Component; 17 | 18 | @Component 19 | public class JWTUtil { 20 | 21 | @Value("${springbootwebfluxjjwt.jjwt.secret}") 22 | private String secret; 23 | 24 | @Value("${springbootwebfluxjjwt.jjwt.expiration}") 25 | private String expirationTime; 26 | 27 | private Key key; 28 | 29 | @PostConstruct 30 | public void init() { 31 | this.key = Keys.hmacShaKeyFor(secret.getBytes()); 32 | } 33 | 34 | public Claims getAllClaimsFromToken(String token) { 35 | return Jwts.parserBuilder().setSigningKey(key).build().parseClaimsJws(token).getBody(); 36 | } 37 | 38 | public String getUsernameFromToken(String token) { 39 | return getAllClaimsFromToken(token).getSubject(); 40 | } 41 | 42 | public Date getExpirationDateFromToken(String token) { 43 | return getAllClaimsFromToken(token).getExpiration(); 44 | } 45 | 46 | private Boolean isTokenExpired(String token) { 47 | final Date expiration = getExpirationDateFromToken(token); 48 | return expiration.before(new Date()); 49 | } 50 | 51 | public String generateToken(User user) { 52 | Map claims = new HashMap<>(); 53 | claims.put("role", user.getRoles()); 54 | return doGenerateToken(claims, user.getUsername()); 55 | } 56 | 57 | private String doGenerateToken(Map claims, String username) { 58 | Long expirationTimeLong = Long.parseLong(expirationTime); //in second 59 | final Date createdDate = new Date(); 60 | final Date expirationDate = new Date(createdDate.getTime() + expirationTimeLong * 1000); 61 | 62 | return Jwts.builder() 63 | .setClaims(claims) 64 | .setSubject(username) 65 | .setIssuedAt(createdDate) 66 | .setExpiration(expirationDate) 67 | .signWith(key) 68 | .compact(); 69 | } 70 | 71 | public Boolean validateToken(String token) { 72 | return !isTokenExpired(token); 73 | } 74 | 75 | } 76 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | com.ard333 7 | spring-boot-webflux-jjwt 8 | 0.0.1-SNAPSHOT 9 | jar 10 | 11 | spring-boot-webflux-jjwt 12 | Demo project for Spring Boot 13 | 14 | 15 | org.springframework.boot 16 | spring-boot-starter-parent 17 | 2.5.0 18 | 19 | 20 | 21 | 22 | UTF-8 23 | UTF-8 24 | 11 25 | 0.11.2 26 | 27 | 28 | 29 | 30 | org.springframework.boot 31 | spring-boot-starter-security 32 | 33 | 34 | org.springframework.boot 35 | spring-boot-starter-webflux 36 | 37 | 38 | org.projectlombok 39 | lombok 40 | 41 | 42 | io.jsonwebtoken 43 | jjwt-api 44 | ${io.jsonwebtoken.version} 45 | 46 | 47 | io.jsonwebtoken 48 | jjwt-impl 49 | ${io.jsonwebtoken.version} 50 | runtime 51 | 52 | 53 | io.jsonwebtoken 54 | jjwt-jackson 55 | ${io.jsonwebtoken.version} 56 | runtime 57 | 58 | 59 | 60 | 61 | org.springframework.boot 62 | spring-boot-devtools 63 | runtime 64 | 65 | 66 | org.springframework.boot 67 | spring-boot-starter-test 68 | test 69 | 70 | 71 | io.projectreactor 72 | reactor-test 73 | test 74 | 75 | 76 | org.springframework.security 77 | spring-security-test 78 | test 79 | 80 | 81 | 82 | 83 | 84 | 85 | org.springframework.boot 86 | spring-boot-maven-plugin 87 | 88 | 89 | 90 | 91 | 92 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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