Adds JWT-based auth with refresh tokens

README.md

@@ -2,6 +2,12 @@
 
 REST API to support a community scavenger hunt app.
 
+## Environment variables
+* `DB_PASSWORD` Password for the database 
+* `DB_URL` JDBC URL for the database
+* `DB_USER` Username for the database
+* `JWT_SECRET` Secret pass for the JWT
+
 ## TODO:
 ### User Endpoints
 * list teams for hunt GET /hunt/{id}/team

build.gradle.kts

@@ -30,15 +30,20 @@ dependencies {
     val mysqlConnectorJ = "9.5.0"
     val commonsValidator = "1.10.1"
     val jakartaValidation = "3.1.1"
+    val jsonWebToken = "0.13.0"
     implementation("org.springframework.boot:spring-boot-starter-actuator")
     implementation("org.springframework.boot:spring-boot-starter-web")
     implementation("org.springframework.boot:spring-boot-starter-data-jpa")
     implementation("org.springframework.boot:spring-boot-starter-validation")
+    implementation("org.springframework.boot:spring-boot-starter-security")
     implementation("jakarta.validation:jakarta.validation-api:${jakartaValidation}")
     implementation("com.mysql:mysql-connector-j:${mysqlConnectorJ}")
     implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
     implementation("org.jetbrains.kotlin:kotlin-reflect")
     implementation("commons-validator:commons-validator:${commonsValidator}")
+    implementation("io.jsonwebtoken:jjwt-api:${jsonWebToken}")
+    implementation("io.jsonwebtoken:jjwt-impl:${jsonWebToken}")
+    implementation("io.jsonwebtoken:jjwt-jackson:${jsonWebToken}")
     developmentOnly("org.springframework.boot:spring-boot-devtools")
     annotationProcessor("org.springframework.boot:spring-boot-configuration-processor")
     testImplementation("org.springframework.boot:spring-boot-starter-actuator-test")

src/main/kotlin/net/halfbinary/scavengerhuntapi/config/AuthEntrypointJwt.kt

@@ -0,0 +1,18 @@
+package net.halfbinary.scavengerhuntapi.config
+
+import jakarta.servlet.http.HttpServletRequest
+import jakarta.servlet.http.HttpServletResponse
+import org.springframework.security.core.AuthenticationException
+import org.springframework.security.web.AuthenticationEntryPoint
+import org.springframework.stereotype.Component
+
+@Component
+class AuthEntrypointJwt: AuthenticationEntryPoint {
+    override fun commence(
+        request: HttpServletRequest,
+        response: HttpServletResponse,
+        authException: AuthenticationException
+    ) {
+        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, authException.message)
+    }
+}

src/main/kotlin/net/halfbinary/scavengerhuntapi/config/AuthTokenFilter.kt

@@ -0,0 +1,49 @@
+package net.halfbinary.scavengerhuntapi.config
+
+import jakarta.servlet.FilterChain
+import jakarta.servlet.http.HttpServletRequest
+import jakarta.servlet.http.HttpServletResponse
+import net.halfbinary.scavengerhuntapi.service.HunterDetailsService
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken
+import org.springframework.security.core.context.SecurityContextHolder
+import org.springframework.security.core.userdetails.UserDetails
+import org.springframework.security.web.authentication.WebAuthenticationDetailsSource
+import org.springframework.stereotype.Component
+import org.springframework.web.filter.OncePerRequestFilter
+
+
+@Component
+class AuthTokenFilter(private val jwtUtils: JwtUtil, private val hunterDetailsService: HunterDetailsService): OncePerRequestFilter() {
+    override fun doFilterInternal(
+        request: HttpServletRequest,
+        response: HttpServletResponse,
+        filterChain: FilterChain
+    ) {
+        try {
+            val jwt: String? = parseJwt(request)
+            if (jwt != null && jwtUtils.validateJwtToken(jwt)) {
+                val username = jwtUtils.getUsernameFromToken(jwt)
+                val userDetails: UserDetails = hunterDetailsService.loadUserByUsername(username)
+                val authentication =
+                    UsernamePasswordAuthenticationToken(
+                        userDetails,
+                        null,
+                        userDetails.authorities
+                    )
+                authentication.details = WebAuthenticationDetailsSource().buildDetails(request)
+                SecurityContextHolder.getContext().authentication = authentication
+            }
+        } catch (e: Exception) {
+            println("Cannot set user authentication: $e")
+        }
+        filterChain.doFilter(request, response)
+    }
+
+    private fun parseJwt(request: HttpServletRequest): String? {
+        val headerAuth = request.getHeader("Authorization")
+        if (headerAuth != null && headerAuth.startsWith("Bearer ")) {
+            return headerAuth.substring(7)
+        }
+        return null
+    }
+}

src/main/kotlin/net/halfbinary/scavengerhuntapi/config/JwtUtil.kt

@@ -0,0 +1,62 @@
+package net.halfbinary.scavengerhuntapi.config
+
+import io.jsonwebtoken.JwtException
+import io.jsonwebtoken.Jwts
+import jakarta.annotation.PostConstruct
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.stereotype.Component
+import java.util.Date
+import javax.crypto.SecretKey
+
+@Component
+class JwtUtil {
+    @Value($$"${jwt.secret}")
+    private val jwtSecret: String? = null
+
+    @Value($$"${jwt.expiration}")
+    private val jwtExpirationMs = 0
+
+    private var key: SecretKey? = null
+
+    // Initializes the key after the class is instantiated and the jwtSecret is injected,
+    // preventing the repeated creation of the key and enhancing performance
+    @PostConstruct
+    fun init() {
+        this.key = Jwts.SIG.HS256.key().build()
+    }
+
+    // Generate JWT token
+    fun generateToken(email: String): String {
+        return Jwts.builder()
+            .subject(email)
+            .issuedAt(Date())
+            .expiration(Date(System.currentTimeMillis() + jwtExpirationMs))
+            .signWith(key)
+            .compact()
+    }
+
+    // Get username from JWT token
+    fun getUsernameFromToken(token: String): String {
+        return Jwts.parser()
+            .verifyWith(key)
+            .build()
+            .parseSignedClaims(token)
+            .payload
+            .subject
+    }
+
+    // Validate JWT token
+    fun validateJwtToken(token: String?): Boolean {
+        try {
+            Jwts.parser().verifyWith(key).build().parseSignedClaims(token)
+            return true
+        } catch (e: SecurityException) {
+            println("Invalid JWT signature: " + e.message)
+        } catch (e: JwtException) {
+            println("Invalid JWT token: " + e.message)
+        } catch (e: IllegalArgumentException) {
+            println("JWT claims string is empty: " + e.message)
+        }
+        return false
+    }
+}

src/main/kotlin/net/halfbinary/scavengerhuntapi/config/SecurityConfig.kt

@@ -0,0 +1,73 @@
+package net.halfbinary.scavengerhuntapi.config
+
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.security.authentication.AuthenticationManager
+import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration
+import org.springframework.security.config.annotation.web.builders.HttpSecurity
+import org.springframework.security.config.annotation.web.configurers.CorsConfigurer
+import org.springframework.security.config.annotation.web.configurers.CsrfConfigurer
+import org.springframework.security.config.annotation.web.configurers.ExceptionHandlingConfigurer
+import org.springframework.security.config.annotation.web.configurers.SessionManagementConfigurer
+import org.springframework.security.config.http.SessionCreationPolicy
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder
+import org.springframework.security.crypto.password.PasswordEncoder
+import org.springframework.security.web.SecurityFilterChain
+import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter
+
+
+@Configuration
+//@EnableWebSecurity
+class SecurityConfig(private val authEntrypointJwt: AuthEntrypointJwt,
+    private val authTokenFilter: AuthTokenFilter) {
+
+    @Bean
+    fun authenticationJwtTokenFilter(): AuthTokenFilter {
+        return authTokenFilter
+    }
+
+    @Bean
+    @Throws(Exception::class)
+    fun authenticationManager(
+        authenticationConfiguration: AuthenticationConfiguration
+    ): AuthenticationManager? {
+        return authenticationConfiguration.getAuthenticationManager()
+    }
+
+    @Bean
+    fun passwordEncoder(): PasswordEncoder {
+        return BCryptPasswordEncoder()
+    }
+
+    @Bean
+    @Throws(Exception::class)
+    fun securityFilterChain(http: HttpSecurity): SecurityFilterChain? {
+        // Updated configuration for Spring Security 6.x
+        http
+            .csrf { csrf: CsrfConfigurer<HttpSecurity> -> csrf.disable() } // Disable CSRF
+            .cors { cors: CorsConfigurer<HttpSecurity> -> cors.disable() } // Disable CORS (or configure if needed)
+            .exceptionHandling { exceptionHandling: ExceptionHandlingConfigurer<HttpSecurity> ->
+                exceptionHandling.authenticationEntryPoint(
+                    authEntrypointJwt
+                )
+            }
+            .sessionManagement { sessionManagement: SessionManagementConfigurer<HttpSecurity> ->
+                sessionManagement.sessionCreationPolicy(
+                    SessionCreationPolicy.STATELESS
+                )
+            }
+            .authorizeHttpRequests { authorizeRequests ->
+                authorizeRequests
+                    .requestMatchers("/auth/**", "/signup")
+                    .permitAll()
+                    .anyRequest().authenticated()
+            }
+
+        // Add the JWT Token filter before the UsernamePasswordAuthenticationFilter
+        http.addFilterBefore(
+            authenticationJwtTokenFilter(),
+            UsernamePasswordAuthenticationFilter::class.java
+        )
+        return http.build()
+    }
+}

src/main/kotlin/net/halfbinary/scavengerhuntapi/controller/AuthController.kt

@@ -0,0 +1,53 @@
+package net.halfbinary.scavengerhuntapi.controller
+
+import jakarta.servlet.http.HttpServletResponse
+import jakarta.validation.Valid
+import net.halfbinary.scavengerhuntapi.config.JwtUtil
+import net.halfbinary.scavengerhuntapi.model.converter.toDomain
+import net.halfbinary.scavengerhuntapi.model.request.LoginRequest
+import net.halfbinary.scavengerhuntapi.model.request.LogoutRequest
+import net.halfbinary.scavengerhuntapi.model.request.RefreshRequest
+import net.halfbinary.scavengerhuntapi.model.response.LoginResponse
+import net.halfbinary.scavengerhuntapi.service.LoginService
+import net.halfbinary.scavengerhuntapi.service.RefreshTokenService
+import org.springframework.http.ResponseEntity
+import org.springframework.security.core.authority.SimpleGrantedAuthority
+import org.springframework.security.core.userdetails.User
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+import java.util.Collections
+
+
+@RestController
+@RequestMapping("/auth")
+class AuthController(private val loginService: LoginService, private val jwtUtils: JwtUtil, private val refreshTokenService: RefreshTokenService) {
+    @PostMapping("/login")
+    fun login(@Valid @RequestBody body: LoginRequest, response: HttpServletResponse): ResponseEntity<LoginResponse> {
+        val result = loginService.login(body.toDomain())
+        // TODO: Figure out how to use the authorities
+        val hunterAuthorities =
+            if (result.isAdmin) {
+                SimpleGrantedAuthority("ROLE_ADMIN")
+            } else {
+                SimpleGrantedAuthority("ROLE_USER")
+            }
+        val user = User(result.email, result.password, Collections.singleton(hunterAuthorities))
+        val accessToken = jwtUtils.generateToken(result.email)
+        val refreshToken  = refreshTokenService.generateRefreshToken(result.email)
+        val loginResponse = LoginResponse(accessToken, refreshToken)
+        return ResponseEntity.ok(loginResponse)
+    }
+
+    @PostMapping("/refresh")
+    fun refresh(@RequestBody body: RefreshRequest): String {
+        return refreshTokenService.getAccessToken(body.refreshToken)
+    }
+
+    @PostMapping("/logout")
+    fun logout(@RequestBody body: LogoutRequest, response: HttpServletResponse): ResponseEntity<String> {
+        refreshTokenService.removeToken(body.refreshToken)
+        return ResponseEntity.ok().build()
+    }
+}

src/main/kotlin/net/halfbinary/scavengerhuntapi/controller/LoginController.kt

@@ -1,36 +0,0 @@
-package net.halfbinary.scavengerhuntapi.controller
-
-import jakarta.servlet.http.Cookie
-import jakarta.servlet.http.HttpServletResponse
-import jakarta.validation.Valid
-import net.halfbinary.scavengerhuntapi.model.converter.toDomain
-import net.halfbinary.scavengerhuntapi.model.converter.toLoginResponse
-import net.halfbinary.scavengerhuntapi.model.request.LoginRequest
-import net.halfbinary.scavengerhuntapi.model.response.LoginResponse
-import net.halfbinary.scavengerhuntapi.service.LoginService
-import org.springframework.http.ResponseEntity
-import org.springframework.web.bind.annotation.PostMapping
-import org.springframework.web.bind.annotation.RequestBody
-import org.springframework.web.bind.annotation.RestController
-import java.net.URLEncoder
-
-
-@RestController
-class LoginController(private val loginService: LoginService) {
-    @PostMapping("/login")
-    fun login(@Valid @RequestBody body: LoginRequest, response: HttpServletResponse): ResponseEntity<LoginResponse> {
-        val result = loginService.login(body.toDomain())
-        val creds = "${result.email}|${result.name}"
-        val encodedCreds = URLEncoder.encode(creds, "UTF-8")
-        response.addCookie(Cookie("creds", encodedCreds))
-        return ResponseEntity.ok(result.toLoginResponse())
-    }
-
-    @PostMapping("/logout")
-    fun logout(response: HttpServletResponse): ResponseEntity<String> {
-        val cookie = Cookie("creds", null)
-        cookie.maxAge = 0
-        response.addCookie(cookie)
-        return ResponseEntity.ok("OK")
-    }
-}

src/main/kotlin/net/halfbinary/scavengerhuntapi/error/ExceptionHandler.kt

@@ -4,6 +4,7 @@ import net.halfbinary.scavengerhuntapi.error.exception.InvalidEmailException
 import net.halfbinary.scavengerhuntapi.error.exception.LoginFailedException
 import net.halfbinary.scavengerhuntapi.error.exception.NotFoundException
 import net.halfbinary.scavengerhuntapi.error.exception.PreexistingAccountException
+import org.slf4j.LoggerFactory
 import org.springframework.http.HttpStatus
 import org.springframework.http.converter.HttpMessageNotReadableException
 import org.springframework.validation.FieldError
@@ -15,7 +16,9 @@ import org.springframework.web.bind.annotation.RestControllerAdvice
 
 @RestControllerAdvice
 class ExceptionHandler {
-
+    companion object {
+        private val log = LoggerFactory.getLogger(net.halfbinary.scavengerhuntapi.error.ExceptionHandler::class.java)
+    }
     @ExceptionHandler(PreexistingAccountException::class)
     @ResponseStatus(HttpStatus.CONFLICT)
     fun preexistingAccountException(e: PreexistingAccountException): String? {
@@ -42,8 +45,16 @@ class ExceptionHandler {
 
     @ExceptionHandler(HttpMessageNotReadableException::class)
     @ResponseStatus(HttpStatus.BAD_REQUEST)
-    fun httpMessageNotReadableException(e: HttpMessageNotReadableException): String? {
-        return e.message
+    fun httpMessageNotReadableException(e: HttpMessageNotReadableException): Map<String, String?> {
+        if (e.message?.contains("body is missing")?:false) {
+            return simpleMap("body","Body is missing")
+        }
+        if (e.message?.contains("parameter")?:false) {
+            val missingParameter = e.message?.split("parameter ")[1]
+            return simpleMap(missingParameter?:"","Missing required parameter $missingParameter")
+        }
+        log.debug("JSON parsing issue", e)
+        return simpleMap("body", "Parsing error")
     }
 
     @ExceptionHandler(MethodArgumentNotValidException::class)
@@ -56,4 +67,8 @@ class ExceptionHandler {
             )
         }
     }
+
+    private fun simpleMap(key: String, value: String?): Map<String, String?> {
+        return mapOf(Pair(key, value))
+    }
 }

src/main/kotlin/net/halfbinary/scavengerhuntapi/error/exception/ExpiredRefreshTokenException.kt

@@ -0,0 +1,5 @@
+package net.halfbinary.scavengerhuntapi.error.exception
+
+import net.halfbinary.scavengerhuntapi.model.RefreshId
+
+class ExpiredRefreshTokenException(token: RefreshId): RuntimeException("The refresh token $token is expired.")

src/main/kotlin/net/halfbinary/scavengerhuntapi/error/exception/InvalidRefreshTokenException.kt

@@ -0,0 +1,5 @@
+package net.halfbinary.scavengerhuntapi.error.exception
+
+import net.halfbinary.scavengerhuntapi.model.RefreshId
+
+class InvalidRefreshTokenException(token: RefreshId): RuntimeException("The refresh token $token is not valid.")

src/main/kotlin/net/halfbinary/scavengerhuntapi/model/TypeAlias.kt

@@ -6,4 +6,5 @@ typealias FoundId = UUID
 typealias HuntId = UUID
 typealias HunterId = UUID
 typealias ItemId = UUID
-typealias TeamId = UUID
+typealias TeamId = UUID
+typealias RefreshId = UUID

src/main/kotlin/net/halfbinary/scavengerhuntapi/model/converter/HunterConverter.kt

@@ -3,7 +3,6 @@ package net.halfbinary.scavengerhuntapi.model.converter
 import net.halfbinary.scavengerhuntapi.model.domain.Hunter
 import net.halfbinary.scavengerhuntapi.model.record.HunterRecord
 import net.halfbinary.scavengerhuntapi.model.request.HunterSignupRequest
-import net.halfbinary.scavengerhuntapi.model.response.LoginResponse
 
 fun HunterSignupRequest.toDomain(): Hunter {
     return Hunter(
@@ -20,8 +19,4 @@ fun Hunter.toRecord(): HunterRecord {
 
 fun HunterRecord.toDomain(): Hunter {
     return Hunter(id, email, name, password, isAdmin)
-}
-
-fun Hunter.toLoginResponse(): LoginResponse {
-    return LoginResponse(email, name)
 }

src/main/kotlin/net/halfbinary/scavengerhuntapi/model/record/RefreshTokenRecord.kt

@@ -0,0 +1,16 @@
+package net.halfbinary.scavengerhuntapi.model.record
+
+import jakarta.persistence.Entity
+import jakarta.persistence.Id
+import jakarta.persistence.Table
+import net.halfbinary.scavengerhuntapi.model.RefreshId
+import java.time.LocalDateTime
+
+@Entity
+@Table(name = "refresh_token")
+data class RefreshTokenRecord(
+    @Id
+    val token: RefreshId,
+    val email: String,
+    val expiryDateTime: LocalDateTime
+)

src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/LogoutRequest.kt

@@ -0,0 +1,9 @@
+package net.halfbinary.scavengerhuntapi.model.request
+
+import jakarta.validation.constraints.NotBlank
+import net.halfbinary.scavengerhuntapi.model.RefreshId
+
+data class LogoutRequest(
+    @field:NotBlank(message = "You must provide a refresh token.")
+    val refreshToken: RefreshId
+)

src/main/kotlin/net/halfbinary/scavengerhuntapi/model/request/RefreshRequest.kt

@@ -0,0 +1,9 @@
+package net.halfbinary.scavengerhuntapi.model.request
+
+import jakarta.validation.constraints.NotBlank
+import net.halfbinary.scavengerhuntapi.model.RefreshId
+
+data class RefreshRequest(
+    @field:NotBlank(message = "Refresh token cannot be blank")
+    val refreshToken: RefreshId,
+)

src/main/kotlin/net/halfbinary/scavengerhuntapi/model/response/LoginResponse.kt

@@ -1,6 +1,8 @@
 package net.halfbinary.scavengerhuntapi.model.response
 
+import net.halfbinary.scavengerhuntapi.model.RefreshId
+
 data class LoginResponse(
-    val email: String,
-    val name: String
+    val accessToken: String,
+    val refreshToken: RefreshId
 )

src/main/kotlin/net/halfbinary/scavengerhuntapi/repository/RefreshTokenRepository.kt

@@ -0,0 +1,7 @@
+package net.halfbinary.scavengerhuntapi.repository
+
+import net.halfbinary.scavengerhuntapi.model.RefreshId
+import net.halfbinary.scavengerhuntapi.model.record.RefreshTokenRecord
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface RefreshTokenRepository: JpaRepository<RefreshTokenRecord, RefreshId>

src/main/kotlin/net/halfbinary/scavengerhuntapi/service/HunterDetailsService.kt

@@ -0,0 +1,32 @@
+package net.halfbinary.scavengerhuntapi.service
+
+import net.halfbinary.scavengerhuntapi.repository.HunterRepository
+import org.springframework.security.core.authority.SimpleGrantedAuthority
+import org.springframework.security.core.userdetails.User
+import org.springframework.security.core.userdetails.UserDetails
+import org.springframework.security.core.userdetails.UserDetailsService
+import org.springframework.security.core.userdetails.UsernameNotFoundException
+import org.springframework.stereotype.Service
+import java.util.Collections
+
+
+@Service
+class HunterDetailsService(private val hunterRepository: HunterRepository): UserDetailsService {
+    override fun loadUserByUsername(username: String): UserDetails {
+        hunterRepository.findByEmail(username)
+            ?.let { hunter ->
+                val hunterAuthorities =
+                    if (hunter.isAdmin) {
+                        SimpleGrantedAuthority("ROLE_ADMIN")
+                    } else {
+                        SimpleGrantedAuthority("ROLE_USER")
+                    }
+                return User(
+                    hunter.email,
+                    hunter.password,
+                    Collections.singleton(hunterAuthorities)
+                )
+            }
+        throw UsernameNotFoundException("User Not Found with username: $username")
+    }
+}

src/main/kotlin/net/halfbinary/scavengerhuntapi/service/RefreshTokenService.kt

@@ -0,0 +1,49 @@
+package net.halfbinary.scavengerhuntapi.service
+
+import net.halfbinary.scavengerhuntapi.config.JwtUtil
+import net.halfbinary.scavengerhuntapi.error.exception.ExpiredRefreshTokenException
+import net.halfbinary.scavengerhuntapi.error.exception.InvalidRefreshTokenException
+import net.halfbinary.scavengerhuntapi.model.RefreshId
+import net.halfbinary.scavengerhuntapi.model.record.RefreshTokenRecord
+import net.halfbinary.scavengerhuntapi.repository.RefreshTokenRepository
+import org.slf4j.LoggerFactory
+import org.springframework.data.repository.findByIdOrNull
+import org.springframework.stereotype.Service
+import java.time.LocalDateTime
+import java.time.temporal.ChronoUnit
+
+@Service
+class RefreshTokenService(private val refreshTokenRepository: RefreshTokenRepository, private val jwtUtil: JwtUtil) {
+
+    companion object {
+        private val log = LoggerFactory.getLogger(RefreshTokenService::class.java)
+    }
+
+    fun getAccessToken(tokenId: RefreshId): String {
+        return getToken(tokenId)?.let { refreshToken ->
+            if (isTokenExpired(refreshToken)) {
+                removeToken(tokenId)
+                throw ExpiredRefreshTokenException(tokenId)
+            } else {
+                jwtUtil.generateToken(refreshToken.email)
+            }
+        }?: throw InvalidRefreshTokenException(tokenId)
+    }
+
+    fun generateRefreshToken(email: String): RefreshId {
+        return refreshTokenRepository.save(RefreshTokenRecord(RefreshId.randomUUID(), email, LocalDateTime.now().plus(1, ChronoUnit.MONTHS))).token
+    }
+
+    fun isTokenExpired(token: RefreshTokenRecord): Boolean {
+        return token.expiryDateTime.isBefore(LocalDateTime.now())
+    }
+
+    fun getToken(token: RefreshId): RefreshTokenRecord? {
+        return refreshTokenRepository.findByIdOrNull(token)
+    }
+
+    fun removeToken(token: RefreshId) {
+        log.debug("Removing refresh token: $token")
+        refreshTokenRepository.deleteById(token)
+    }
+}

src/main/resources/application.properties

@@ -7,4 +7,7 @@ spring.jpa.properties.hibernate.type.preferred_uuid_jdbc_type=CHAR
 spring.datasource.driverClassName=com.mysql.cj.jdbc.Driver
 spring.datasource.url=${DB_URL}
 spring.datasource.username=${DB_USER}
-spring.datasource.password=${DB_PASSWORD}
+spring.datasource.password=${DB_PASSWORD}
+
+jwt.secret=${JWT_SECRET}
+jwt.expiration=30000