refactor: 규칙에 맞게 수정

server/build.gradle.kts

@@ -37,6 +37,7 @@ dependencies {
 	implementation("io.springfox:springfox-swagger-ui:3.0.0")
 	implementation("com.github.ulisesbocchio:jasypt-spring-boot-starter:3.0.4")
 	implementation("com.lmax:disruptor:3.4.2")
+	implementation("io.jsonwebtoken:jjwt-api:0.11.2")
 
 	modules {
 		module("org.springframework.boot:spring-boot-starter-logging") {
@@ -50,8 +51,14 @@ dependencies {
 
 	compileOnly("org.projectlombok:lombok")
 	runtimeOnly("mysql:mysql-connector-java")
-	testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.8.1")
+	runtimeOnly("io.jsonwebtoken:jjwt-impl:0.11.2")
+	runtimeOnly("io.jsonwebtoken:jjwt-jackson:0.11.2")
 	annotationProcessor("org.projectlombok:lombok")
+	annotationProcessor("org.springframework.boot:spring-boot-configuration-processor")
+
+	testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.8.1")
+	testImplementation("org.springframework.boot:spring-boot-starter-test")
+	testImplementation("org.springframework.security:spring-security-test")
 }
 
 tasks.withType<Test> {

server/src/main/java/com/ticketing/server/ServerApplication.java

@@ -1,11 +1,14 @@
 package com.ticketing.server;
 
+import com.ticketing.server.global.jwt.JwtProperties;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
 @EnableJpaAuditing
 @SpringBootApplication
+@EnableConfigurationProperties(JwtProperties.class)
 public class ServerApplication {
 
 	public static void main(String[] args) {

server/src/main/java/com/ticketing/server/global/config/WebSecurityConfig.java

@@ -1,29 +0,0 @@
-package com.ticketing.server.global.config;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.security.config.annotation.web.builders.HttpSecurity;
-import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
-import org.springframework.security.crypto.factory.PasswordEncoderFactories;
-import org.springframework.security.crypto.password.PasswordEncoder;
-
-@Configuration
-@EnableWebSecurity
-public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
-
-	@Bean
-	public PasswordEncoder passwordEncoder() {
-		return PasswordEncoderFactories.createDelegatingPasswordEncoder();
-	}
-
-	@Override
-	protected void configure(HttpSecurity http) throws Exception {
-		http
-			.cors().disable()
-			.csrf().disable()
-			.formLogin().disable()
-			.headers().frameOptions().disable();
-	}
-
-}

server/src/main/java/com/ticketing/server/global/factory/YamlPropertySourceFactory.java

@@ -0,0 +1,23 @@
+package com.ticketing.server.global.factory;
+
+import java.util.Objects;
+import java.util.Properties;
+import org.springframework.beans.factory.config.YamlPropertiesFactoryBean;
+import org.springframework.core.env.PropertiesPropertySource;
+import org.springframework.core.env.PropertySource;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.support.EncodedResource;
+import org.springframework.core.io.support.PropertySourceFactory;
+
+public class YamlPropertySourceFactory implements PropertySourceFactory {
+
+	@Override
+	public PropertySource<?> createPropertySource(String name, EncodedResource encodedResource) {
+		Resource resource = encodedResource.getResource();
+		YamlPropertiesFactoryBean factoryBean = new YamlPropertiesFactoryBean();
+		factoryBean.setResources(resource);
+
+		Properties properties = factoryBean.getObject();
+		return new PropertiesPropertySource(Objects.requireNonNull(resource.getFilename()), Objects.requireNonNull(properties));
+	}
+}

server/src/main/java/com/ticketing/server/global/jwt/JwtFilter.java

@@ -0,0 +1,51 @@
+package com.ticketing.server.global.jwt;
+
+import java.io.IOException;
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.util.StringUtils;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+@Slf4j
+@Configuration
+public class JwtFilter extends OncePerRequestFilter {
+
+	private final JwtProvider tokenProvider;
+	private final String accessHeader;
+	private final String tokenPrefix;
+
+	public JwtFilter(JwtProperties jwtProperties, JwtProvider tokenProvider) {
+		this.accessHeader = jwtProperties.getAccessHeader();
+		this.tokenPrefix = jwtProperties.getPrefix();
+		this.tokenProvider = tokenProvider;
+	}
+
+	@Override
+	public void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException {
+		String jwt = resolveToken(request);
+
+		// 토큰이 정상이면 Authentication 을 가져와서 SecurityContext 에 저장
+		if (StringUtils.hasText(jwt) && tokenProvider.validateToken(jwt)) {
+			Authentication authentication = tokenProvider.getAuthentication(jwt);
+			SecurityContextHolder.getContext().setAuthentication(authentication);
+		}
+
+		chain.doFilter(request, response);
+	}
+
+	private String resolveToken(HttpServletRequest request) {
+		String bearerToken = request.getHeader(accessHeader);
+		if (StringUtils.hasText(bearerToken) && bearerToken.startsWith(tokenPrefix)) {
+			return bearerToken.substring(7);
+		}
+
+		return null;
+	}
+
+}

server/src/main/java/com/ticketing/server/global/jwt/JwtProperties.java

@@ -0,0 +1,22 @@
+package com.ticketing.server.global.jwt;
+
+import com.ticketing.server.global.factory.YamlPropertySourceFactory;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.boot.context.properties.ConstructorBinding;
+import org.springframework.context.annotation.PropertySource;
+
+@Getter
+@RequiredArgsConstructor
+@ConstructorBinding
+@ConfigurationProperties("jwt")
+@PropertySource(value = "classpath:application.yml", factory = YamlPropertySourceFactory.class)
+public class JwtProperties {
+
+	private final String accessHeader;
+	private final String prefix;
+	private final String secretKey;
+	private final Integer tokenValidityInSeconds;
+
+}

server/src/main/java/com/ticketing/server/global/jwt/JwtProvider.java

@@ -0,0 +1,114 @@
+package com.ticketing.server.global.jwt;
+
+import io.jsonwebtoken.Claims;
+import io.jsonwebtoken.ExpiredJwtException;
+import io.jsonwebtoken.Jwts;
+import io.jsonwebtoken.MalformedJwtException;
+import io.jsonwebtoken.SignatureAlgorithm;
+import io.jsonwebtoken.UnsupportedJwtException;
+import io.jsonwebtoken.io.Decoders;
+import io.jsonwebtoken.security.Keys;
+import io.jsonwebtoken.security.SecurityException;
+import java.security.Key;
+import java.util.Arrays;
+import java.util.Date;
+import java.util.List;
+import java.util.StringJoiner;
+import java.util.stream.Collectors;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+public class JwtProvider {
+
+	private static final String AUTHORITIES_KEY = "auth";
+	private static final String AUTHORITIES_DELIMITER = ",";
+
+	private final long tokenValidityInMilliseconds;
+	private final Key key;
+
+	public JwtProvider(JwtProperties jwtProperties) {
+		this.tokenValidityInMilliseconds = jwtProperties.getTokenValidityInSeconds();
+
+		byte[] keyBytes = Decoders.BASE64.decode(jwtProperties.getSecretKey());
+		this.key = Keys.hmacShaKeyFor(keyBytes);
+	}
+
+	public String createToken(Authentication authentication) {
+		// 권한 정보 가져오기
+		String authorities = generateStringToAuthorities(authentication);
+
+		// 만료시간 계산
+		long now = new Date().getTime();
+		Date accessTokenExpiresIn = new Date(now + this.tokenValidityInMilliseconds);
+
+		// JWT 생성
+		return Jwts.builder()
+			.setSubject(authentication.getName()) // email
+			.claim(AUTHORITIES_KEY, authorities) // payload
+			.setExpiration(accessTokenExpiresIn) // 만료일
+			.signWith(key, SignatureAlgorithm.HS512) // 서명 키 값
+			.compact();
+	}
+
+	private String generateStringToAuthorities(Authentication authentication) {
+		StringJoiner authorities = new StringJoiner(AUTHORITIES_DELIMITER);
+		for (GrantedAuthority grantedAuthority : authentication.getAuthorities()) {
+			String roleName = makeRoleName(grantedAuthority.getAuthority());
+			authorities.add(roleName);
+		}
+		return authorities.toString();
+	}
+
+	private String makeRoleName(String role) {
+		return "ROLE_" + role.toUpperCase();
+	}
+
+	public Authentication getAuthentication(String token) {
+		// 토큰 복호화
+		Claims claims = parseClaims(token);
+
+		List<SimpleGrantedAuthority> authorities =
+			Arrays.stream(claims.get(AUTHORITIES_KEY).toString().split(AUTHORITIES_DELIMITER))
+				.map(SimpleGrantedAuthority::new)
+				.collect(Collectors.toList());
+
+		UserDetails principal = new User(claims.getSubject(), "", authorities);
+		return new UsernamePasswordAuthenticationToken(principal, token, authorities);
+	}
+
+	public boolean validateToken(String token) {
+		try {
+			parseClaims(token);
+			return true;
+		} catch (SecurityException | MalformedJwtException exception) {
+			log.info("잘못된 JWT 서명입니다.");
+		} catch (ExpiredJwtException e) {
+			log.info("잘못된 JWT 토큰입니다.");
+		} catch (UnsupportedJwtException e) {
+			log.info("지원되지 않는 JWT 토큰입니다.");
+		} catch (IllegalArgumentException e) {
+			log.info("JWT 토큰이 잘못되었습니다.");
+		}
+
+		return false;
+	}
+
+	private Claims parseClaims(String token) {
+		return Jwts
+			.parserBuilder()
+			.setSigningKey(key)
+			.build()
+			.parseClaimsJws(token)
+			.getBody();
+	}
+
+}
+

server/src/main/java/com/ticketing/server/global/jwt/JwtSecurityConfig.java

@@ -0,0 +1,18 @@
+package com.ticketing.server.global.jwt;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.config.annotation.SecurityConfigurerAdapter;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.web.DefaultSecurityFilterChain;
+import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
+
+@RequiredArgsConstructor
+public class JwtSecurityConfig extends SecurityConfigurerAdapter<DefaultSecurityFilterChain, HttpSecurity> {
+
+	private final JwtFilter jwtFilter;
+
+	@Override
+	public void configure(HttpSecurity builder) {
+		builder.addFilterBefore(jwtFilter, UsernamePasswordAuthenticationFilter.class);
+	}
+}

server/src/main/java/com/ticketing/server/global/jwt/handle/JwtAccessDeniedHandler.java

@@ -0,0 +1,17 @@
+package com.ticketing.server.global.jwt.handle;
+
+import java.io.IOException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.springframework.security.access.AccessDeniedException;
+import org.springframework.security.web.access.AccessDeniedHandler;
+import org.springframework.stereotype.Component;
+
+@Component
+public class JwtAccessDeniedHandler implements AccessDeniedHandler {
+
+	@Override
+	public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException accessDeniedException) throws IOException {
+		response.sendError(HttpServletResponse.SC_FORBIDDEN);
+	}
+}

server/src/main/java/com/ticketing/server/global/jwt/handle/JwtAuthenticationEntryPoint.java

@@ -0,0 +1,17 @@
+package com.ticketing.server.global.jwt.handle;
+
+import java.io.IOException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.web.AuthenticationEntryPoint;
+import org.springframework.stereotype.Component;
+
+@Component
+public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint {
+
+	@Override
+	public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException {
+		response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
+	}
+}

server/src/main/java/com/ticketing/server/global/security/SecurityUtil.java

@@ -0,0 +1,21 @@
+package com.ticketing.server.global.security;
+
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+
+public class SecurityUtil {
+
+	private SecurityUtil() {
+	}
+
+	public static String getCurrentUserEmail() {
+		final Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+
+		if (authentication == null || authentication.getName() == null) {
+			throw new IllegalStateException("Security Context 에 인증 정보가 없습니다.");
+		}
+
+		return authentication.getName();
+	}
+
+}

server/src/main/java/com/ticketing/server/global/security/WebSecurityConfig.java

@@ -0,0 +1,65 @@
+package com.ticketing.server.global.security;
+
+import com.ticketing.server.global.jwt.JwtFilter;
+import com.ticketing.server.global.jwt.JwtSecurityConfig;
+import com.ticketing.server.global.jwt.handle.JwtAccessDeniedHandler;
+import com.ticketing.server.global.jwt.handle.JwtAuthenticationEntryPoint;
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpMethod;
+import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.config.http.SessionCreationPolicy;
+import org.springframework.security.crypto.factory.PasswordEncoderFactories;
+import org.springframework.security.crypto.password.PasswordEncoder;
+
+@Configuration
+@EnableWebSecurity
+@EnableGlobalMethodSecurity(securedEnabled = true)
+@RequiredArgsConstructor
+public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
+
+	private final JwtFilter jwtFilter;
+	private final JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint;
+	private final JwtAccessDeniedHandler jwtAccessDeniedHandler;
+
+	@Bean
+	public PasswordEncoder passwordEncoder() {
+		return PasswordEncoderFactories.createDelegatingPasswordEncoder();
+	}
+
+	@Override
+	protected void configure(HttpSecurity http) throws Exception {
+
+		http
+			.csrf().disable()
+			.exceptionHandling()
+			.authenticationEntryPoint(jwtAuthenticationEntryPoint)
+			.accessDeniedHandler(jwtAccessDeniedHandler)
+
+			.and()
+			.headers()
+			.frameOptions()
+			.sameOrigin()
+
+			// 시큐리티는 기본적으로 세션을 사용하지만, jwt 을 위해 세션을 Stateless 로 설정
+			.and()
+			.sessionManagement()
+			.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
+
+			.and()
+			.authorizeRequests()
+			.antMatchers(HttpMethod.POST, "/user").permitAll()
+			.antMatchers(HttpMethod.POST, "/user/login").permitAll()
+			.antMatchers("/l7check").permitAll()
+			.antMatchers("/actuator/health").permitAll()
+			.anyRequest().authenticated()
+
+			.and()
+			.apply(new JwtSecurityConfig(jwtFilter));
+	}
+
+}

server/src/main/java/com/ticketing/server/global/service/CustomUserDetailsService.java

@@ -0,0 +1,35 @@
+package com.ticketing.server.global.service;
+
+import com.ticketing.server.user.domain.User;
+import com.ticketing.server.user.domain.repository.UserRepository;
+import java.util.Collections;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+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;
+
+@Service
+@RequiredArgsConstructor
+public class CustomUserDetailsService implements UserDetailsService {
+
+	private final UserRepository userRepository;
+
+	@Override
+	public UserDetails loadUserByUsername(String email) throws UsernameNotFoundException {
+		return userRepository.findByEmailAndIsDeletedFalse(email)
+			.map(this::createUserDetails)
+			.orElseThrow(() -> new UsernameNotFoundException("존재하지 않는 email 입니다. :: " + email));
+	}
+
+	private UserDetails createUserDetails(User user) {
+		SimpleGrantedAuthority grantedAuthority = new SimpleGrantedAuthority(user.getGrade().name());
+
+		return new org.springframework.security.core.userdetails.User(
+			user.getEmail()
+			, user.getPassword()
+			, Collections.singleton(grantedAuthority)
+		);
+	}
+}

server/src/main/java/com/ticketing/server/user/application/UserController.java

@@ -1,18 +1,23 @@
 package com.ticketing.server.user.application;
 
+import com.ticketing.server.global.jwt.JwtProperties;
+import com.ticketing.server.user.application.request.LoginRequest;
 import com.ticketing.server.user.application.request.SignUpRequest;
 import com.ticketing.server.user.application.request.UserDeleteRequest;
 import com.ticketing.server.user.application.request.UserModifyPasswordRequest;
+import com.ticketing.server.user.application.response.LoginResponse;
 import com.ticketing.server.user.application.response.SignUpResponse;
-import com.ticketing.server.user.application.response.UserDeleteResponse;
 import com.ticketing.server.user.application.response.UserChangePasswordResponse;
+import com.ticketing.server.user.application.response.UserDeleteResponse;
 import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.service.UserServiceImpl;
+import javax.servlet.http.HttpServletResponse;
 import javax.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.annotation.Secured;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
@@ -23,27 +28,31 @@ import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 @RequiredArgsConstructor
-@RequestMapping("/user")
+@RequestMapping("/api/user")
 @Slf4j
+
 public class UserController {
 
 	private final UserServiceImpl userService;
 	private final PasswordEncoder passwordEncoder;
+	private final JwtProperties jwtProperties;
 
 	@PostMapping
-	public ResponseEntity<Object> register(@RequestBody @Valid SignUpRequest request) {
+	public ResponseEntity<SignUpResponse> register(@RequestBody @Valid SignUpRequest request) {
 		User user = userService.register(request.toSignUpDto(passwordEncoder));
 		return ResponseEntity.status(HttpStatus.CREATED).body(SignUpResponse.of(user));
 	}
 
 	@DeleteMapping
-	public ResponseEntity<Object> deleteUser(@RequestBody @Valid UserDeleteRequest request) {
+	@Secured("ROLE_GUEST")
+	public ResponseEntity<UserDeleteResponse> deleteUser(@RequestBody @Valid UserDeleteRequest request) {
 		User user = userService.delete(request.toDeleteUserDto(passwordEncoder));
 		return ResponseEntity.status(HttpStatus.OK).body(UserDeleteResponse.of(user));
 	}
 
 	@PatchMapping("/password")
-	public ResponseEntity<Object> changePassword(@RequestBody @Valid UserModifyPasswordRequest request) {
+	@Secured("ROLE_GUEST")
+	public ResponseEntity<UserChangePasswordResponse> changePassword(@RequestBody @Valid UserModifyPasswordRequest request) {
 		if (request.oldEqualNew()) {
 			log.error("기존 패스워드와 동일한 패스워드로 변경할 수 없습니다.");
 			return ResponseEntity.status(HttpStatus.BAD_REQUEST).build();
@@ -53,4 +62,12 @@ public class UserController {
 		return ResponseEntity.status(HttpStatus.OK).body(UserChangePasswordResponse.of(user));
 	}
 
+	@PostMapping("/login")
+	public ResponseEntity<LoginResponse> login(@RequestBody LoginRequest loginRequest, HttpServletResponse response) {
+		String accessToken = userService.login(loginRequest.toAuthentication());
+
+		response.setHeader(jwtProperties.getAccessHeader(), accessToken);
+		return ResponseEntity.status(HttpStatus.OK).body(LoginResponse.of(accessToken));
+	}
+
 }

server/src/main/java/com/ticketing/server/user/application/request/LoginRequest.java

@@ -0,0 +1,26 @@
+package com.ticketing.server.user.application.request;
+
+import javax.validation.constraints.Email;
+import javax.validation.constraints.NotEmpty;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class LoginRequest {
+
+	@NotEmpty(message = "{validation.not.empty.email}")
+	@Email(message = "{validation.email}")
+	private String email;
+
+	@NotEmpty(message = "{validation.not.empty.password}")
+	private String password;
+
+	public UsernamePasswordAuthenticationToken toAuthentication() {
+		return new UsernamePasswordAuthenticationToken(email, password);
+	}
+
+}

server/src/main/java/com/ticketing/server/user/application/request/SignUpRequest.java

@@ -4,10 +4,14 @@ import com.ticketing.server.global.validator.constraints.Phone;
 import com.ticketing.server.user.service.dto.SignUpDTO;
 import javax.validation.constraints.Email;
 import javax.validation.constraints.NotEmpty;
+import lombok.AllArgsConstructor;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import org.springframework.security.crypto.password.PasswordEncoder;
 
 @Getter
+@NoArgsConstructor
+@AllArgsConstructor
 public class SignUpRequest {
 
 	@NotEmpty(message = "{validation.not.empty.name}")

server/src/main/java/com/ticketing/server/user/application/request/UserDeleteRequest.java

@@ -3,10 +3,14 @@ package com.ticketing.server.user.application.request;
 import com.ticketing.server.user.service.dto.DeleteUserDTO;
 import javax.validation.constraints.Email;
 import javax.validation.constraints.NotEmpty;
+import lombok.AllArgsConstructor;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import org.springframework.security.crypto.password.PasswordEncoder;
 
 @Getter
+@NoArgsConstructor
+@AllArgsConstructor
 public class UserDeleteRequest {
 
 	@NotEmpty(message = "{validation.not.empty.email}")

server/src/main/java/com/ticketing/server/user/application/request/UserModifyPasswordRequest.java

@@ -3,10 +3,14 @@ package com.ticketing.server.user.application.request;
 import com.ticketing.server.user.service.dto.ChangePasswordDTO;
 import javax.validation.constraints.Email;
 import javax.validation.constraints.NotEmpty;
+import lombok.AllArgsConstructor;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import org.springframework.security.crypto.password.PasswordEncoder;
 
 @Getter
+@NoArgsConstructor
+@AllArgsConstructor
 public class UserModifyPasswordRequest {
 
 	@NotEmpty(message = "{validation.not.empty.email}")

server/src/main/java/com/ticketing/server/user/application/response/LoginResponse.java

@@ -0,0 +1,17 @@
+package com.ticketing.server.user.application.response;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class LoginResponse {
+
+	private String accessToken;
+
+	public static LoginResponse of(String accessToken) {
+		return new LoginResponse(accessToken);
+	}
+
+}

server/src/main/java/com/ticketing/server/user/application/response/SignUpResponse.java

@@ -1,20 +1,20 @@
 package com.ticketing.server.user.application.response;
 
 import com.ticketing.server.user.domain.User;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
 
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class SignUpResponse {
 
-	public static SignUpResponse of(User user) {
-		return new SignUpResponse(user.getName(), user.getEmail());
-	}
-
-	public SignUpResponse(String name, String email) {
-		this.name = name;
-		this.email = email;
-	}
-
 	private String name;
 
 	private String email;
 
+	public static SignUpResponse of(User user) {
+		return new SignUpResponse(user.getName(), user.getEmail());
+	}
+
 }

server/src/main/java/com/ticketing/server/user/application/response/UserChangePasswordResponse.java

@@ -1,20 +1,20 @@
 package com.ticketing.server.user.application.response;
 
 import com.ticketing.server.user.domain.User;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
 
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class UserChangePasswordResponse {
 
-	public static SignUpResponse of(User user) {
-		return new SignUpResponse(user.getName(), user.getEmail());
-	}
-
-	public UserChangePasswordResponse(String name, String email) {
-		this.name = name;
-		this.email = email;
-	}
-
 	private String name;
 
 	private String email;
 
+	public static UserChangePasswordResponse of(User user) {
+		return new UserChangePasswordResponse(user.getName(), user.getEmail());
+	}
+
 }

server/src/main/java/com/ticketing/server/user/application/response/UserDeleteResponse.java

@@ -1,20 +1,20 @@
 package com.ticketing.server.user.application.response;
 
 import com.ticketing.server.user.domain.User;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
 
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class UserDeleteResponse {
 
-	public static SignUpResponse of(User user) {
-		return new SignUpResponse(user.getName(), user.getEmail());
-	}
-
-	public UserDeleteResponse(String name, String email) {
-		this.name = name;
-		this.email = email;
-	}
-
 	private String name;
 
 	private String email;
 
+	public static UserDeleteResponse of(User user) {
+		return new UserDeleteResponse(user.getName(), user.getEmail());
+	}
+
 }

server/src/main/java/com/ticketing/server/user/domain/User.java

@@ -77,7 +77,7 @@ public class User extends AbstractEntity {
 		return this;
 	}
 
-	private void checkPassword(PasswordMatches passwordMatches) {
+	public void checkPassword(PasswordMatches passwordMatches) {
 		if (!passwordMatches.passwordMatches(password)) {
 			throw new PasswordMismatchException();
 		}

server/src/main/java/com/ticketing/server/user/service/UserServiceImpl.java

@@ -1,6 +1,7 @@
 package com.ticketing.server.user.service;
 
 import com.ticketing.server.global.exception.NotFoundEmailException;
+import com.ticketing.server.global.jwt.JwtProvider;
 import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.domain.repository.UserRepository;
 import com.ticketing.server.user.service.dto.ChangePasswordDTO;
@@ -11,6 +12,9 @@ import java.util.Optional;
 import javax.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
+import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.validation.annotation.Validated;
@@ -23,6 +27,14 @@ import org.springframework.validation.annotation.Validated;
 public class UserServiceImpl implements UserService {
 
 	private final UserRepository userRepository;
+	private final AuthenticationManagerBuilder authenticationManagerBuilder;
+	private final JwtProvider jwtProvider;
+
+	@Override
+	public String login(UsernamePasswordAuthenticationToken authenticationToken) {
+		Authentication authentication = authenticationManagerBuilder.getObject().authenticate(authenticationToken);
+		return jwtProvider.createToken(authentication);
+	}
 
 	@Override
 	@Transactional
@@ -39,27 +51,29 @@ public class UserServiceImpl implements UserService {
 	@Override
 	@Transactional
 	public User delete(@Valid DeleteUserDTO deleteUserDto) {
-		Optional<User> optionalUser = userRepository.findByEmail(deleteUserDto.getEmail());
-		if (optionalUser.isEmpty()) {
-			log.error("존재하지 않는 이메일 입니다. :: {}", deleteUserDto);
-			throw new NotFoundEmailException();
-		}
+		User user = userRepository.findByEmail(deleteUserDto.getEmail())
+			.orElseThrow(() -> {
+					log.error("존재하지 않는 이메일 입니다. :: {}", deleteUserDto.getEmail());
+					throw new NotFoundEmailException();
+				}
+			);
 
-		User user = optionalUser.get();
 		return user.delete(deleteUserDto);
 	}
 
 	@Override
 	@Transactional
 	public User changePassword(@Valid ChangePasswordDTO changePasswordDto) {
-		Optional<User> optionalUser = userRepository.findByEmailAndIsDeletedFalse(changePasswordDto.getEmail());
-		if (optionalUser.isEmpty()) {
-			log.error("존재하지 않는 이메일 입니다. :: {}", changePasswordDto);
-			throw new NotFoundEmailException();
-		}
-
-		User user = optionalUser.get();
+		User user = findNotDeletedUserByEmail(changePasswordDto.getEmail());
 		return user.changePassword(changePasswordDto);
 	}
 
+	private User findNotDeletedUserByEmail(String email) {
+		return userRepository.findByEmailAndIsDeletedFalse(email)
+			.orElseThrow(() -> {
+				log.error("존재하지 않는 이메일 입니다. :: {}", email);
+				throw new NotFoundEmailException();
+			});
+	}
+
 }

server/src/main/java/com/ticketing/server/user/service/interfaces/UserService.java

@@ -5,9 +5,13 @@ import com.ticketing.server.user.service.dto.ChangePasswordDTO;
 import com.ticketing.server.user.service.dto.DeleteUserDTO;
 import com.ticketing.server.user.service.dto.SignUpDTO;
 import javax.validation.Valid;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
 
 public interface UserService {
 
+	String login(UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken);
+
 	User register(@Valid SignUpDTO signUpDto);
 
 	User delete(@Valid DeleteUserDTO deleteUserDto);

server/src/main/resources/application.yml

@@ -18,3 +18,9 @@ spring:
 jasypt:
   encryptor:
     bean: jasyptStringEncryptor
+
+jwt:
+  access-header: ACCESS_TOKEN
+  prefix: Bearer
+  secret-key: Zi1sYWItdGlja2V0aW5nLXByb2plY3Qtc3ByaW5nLWJvb3Qtc2VjdXJpdHktand0LXNlY3JldC1rZXktZi1sYWItdGlja2V0aW5nLXByb2plY3Qtc3ByaW5nLWJvb3Qtc2VjdXJpdHktand0LXNlY3JldC1rZXkK
+  token-validity-in-seconds: 86400

server/src/test/java/com/ticketing/server/global/jwt/JwtPropertiesTest.java

@@ -0,0 +1,36 @@
+package com.ticketing.server.global.jwt;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertAll;
+
+import com.ticketing.server.global.factory.YamlPropertySourceFactory;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+@ExtendWith(SpringExtension.class)
+@EnableConfigurationProperties(value = JwtProperties.class)
+@PropertySource(value = "classpath:application.yml", factory = YamlPropertySourceFactory.class)
+class JwtPropertiesTest {
+
+	@Autowired
+	private JwtProperties jwtProperties;
+
+	@Test
+	@DisplayName("yml - jwt 설정파일 체크")
+	void jwtPropertiesCheck() {
+		// given
+		// when
+		// then
+		assertAll(
+			() -> assertThat(jwtProperties.getAccessHeader()).isEqualTo("ACCESS_TOKEN")
+			, () -> assertThat(jwtProperties.getPrefix()).isEqualTo("Bearer")
+			, () -> assertThat(jwtProperties.getTokenValidityInSeconds()).isEqualTo(86400)
+			, () -> assertThat(jwtProperties.getSecretKey()).isNotEmpty());
+	}
+
+}

server/src/test/java/com/ticketing/server/global/jwt/TokenProviderTest.java

@@ -0,0 +1,67 @@
+package com.ticketing.server.global.jwt;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.ticketing.server.global.factory.YamlPropertySourceFactory;
+import com.ticketing.server.user.domain.UserGrade;
+import java.util.Collections;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+@ExtendWith(SpringExtension.class)
+@EnableConfigurationProperties(value = JwtProperties.class)
+@PropertySource(value = "classpath:application.yml", factory = YamlPropertySourceFactory.class)
+class TokenProviderTest {
+
+	@Autowired
+	private JwtProperties jwtProperties;
+
+	JwtProvider tokenProvider;
+
+
+	@BeforeEach
+	void init() {
+		tokenProvider = new JwtProvider(jwtProperties);
+	}
+
+	@Test
+	@DisplayName("토큰 생성 성공")
+	void createTokenSuccess() {
+		// given
+		SimpleGrantedAuthority grantedAuthority = new SimpleGrantedAuthority(UserGrade.GUEST.name());
+		UsernamePasswordAuthenticationToken authenticationToken =
+			new UsernamePasswordAuthenticationToken("ticketing@gmail.com", "123456", Collections.singleton(grantedAuthority));
+
+		// when
+		String token = tokenProvider.createToken(authenticationToken);
+
+		// then
+		assertThat(token).isNotEmpty();
+	}
+
+	@Test
+	@DisplayName("토큰 복호화 성공")
+	void getAuthentication() {
+		// given
+		SimpleGrantedAuthority grantedAuthority = new SimpleGrantedAuthority(UserGrade.GUEST.name());
+		UsernamePasswordAuthenticationToken authenticationToken =
+			new UsernamePasswordAuthenticationToken("ticketing@gmail.com", "123456", Collections.singleton(grantedAuthority));
+
+		// when
+		String token = tokenProvider.createToken(authenticationToken);
+		Authentication authentication = tokenProvider.getAuthentication(token);
+
+		// then
+		assertThat(authentication.getName()).isEqualTo("ticketing@gmail.com");
+	}
+
+}

server/src/test/java/com/ticketing/server/global/security/SecurityContextHolderTest.java

@@ -0,0 +1,66 @@
+package com.ticketing.server.global.security;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertAll;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.security.authentication.TestingAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.context.SecurityContext;
+import org.springframework.security.core.context.SecurityContextHolder;
+
+@ExtendWith(MockitoExtension.class)
+class SecurityContextHolderTest {
+
+	private static final String ANY_USER = "ticketing";
+	private static final String ANY_PASSWORD = "password";
+	private static final String ROLE_GUEST = "ROLE_GUEST";
+
+	@BeforeEach
+	void init() {
+		SecurityContextHolder.setStrategyName(SecurityContextHolder.MODE_THREADLOCAL);
+		setMockAuthentication();
+	}
+
+	@AfterEach
+	void clear() {
+		SecurityContextHolder.clearContext();
+	}
+
+	@Test
+	@DisplayName("SecurityContextHolder 에 현재 인증된 사용자 정보를 확인한다.")
+	void SecurityContextHolder() {
+		// given
+		Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+
+		// when
+		// then
+		assertAll(
+			() -> assertThat(authentication.isAuthenticated()).isTrue()
+			, () -> assertThat(authentication.getName()).isEqualTo(ANY_USER)
+			, () -> assertThat(authentication.getCredentials()).isEqualTo(ANY_PASSWORD)
+			, () -> assertThat(authentication.getAuthorities())
+				.extracting(GrantedAuthority::getAuthority)
+				.contains(ROLE_GUEST)
+		);
+
+	}
+
+
+	private void setMockAuthentication() {
+		SecurityContext context = SecurityContextHolder.createEmptyContext();
+
+		TestingAuthenticationToken mockAuthentication
+			= new TestingAuthenticationToken(SecurityContextHolderTest.ANY_USER, SecurityContextHolderTest.ANY_PASSWORD, SecurityContextHolderTest.ROLE_GUEST);
+		context.setAuthentication(mockAuthentication);
+
+		SecurityContextHolder.setContext(context);
+	}
+
+}

server/src/test/java/com/ticketing/server/user/application/UserControllerTest.java

@@ -0,0 +1,96 @@
+package com.ticketing.server.user.application;
+
+import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.springSecurity;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.header;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.ticketing.server.user.application.request.LoginRequest;
+import com.ticketing.server.user.application.request.SignUpRequest;
+import com.ticketing.server.user.service.interfaces.UserService;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.ResultActions;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.context.WebApplicationContext;
+
+@SpringBootTest
+@Transactional
+class UserControllerTest {
+
+	@Autowired
+	WebApplicationContext context;
+
+	@Autowired
+	UserService userService;
+
+	@Autowired
+	PasswordEncoder passwordEncoder;
+
+	@Autowired
+	ObjectMapper objectMapper;
+
+	MockMvc mvc;
+
+	@BeforeEach
+	void init() throws Exception {
+		mvc = MockMvcBuilders
+			.webAppContextSetup(context)
+			.apply(springSecurity())
+			.build();
+
+		SignUpRequest signUpRequest = new SignUpRequest("ticketing", "ticketing@gmail.com", "qwe123", "010-2240-7920");
+
+		mvc.perform(post("/user")
+			.content(asJsonString(signUpRequest))
+			.contentType(MediaType.APPLICATION_JSON));
+	}
+
+	@Test
+	@DisplayName("로그인 인증 성공")
+	void loginSuccess() throws Exception {
+		// given
+		LoginRequest request = new LoginRequest("ticketing@gmail.com", "qwe123");
+
+		// when
+		ResultActions actions = mvc.perform(post("/user/login")
+			.content(asJsonString(request))
+			.contentType(MediaType.APPLICATION_JSON));
+
+		// then
+		actions.andDo(print())
+			.andExpect(status().isOk())
+			.andExpect(header().exists("ACCESS_TOKEN"));
+	}
+
+	@Test
+	@DisplayName("로그인 패스워드 인증 실패")
+	void loginPasswordFail() throws Exception {
+		// given
+		LoginRequest request = new LoginRequest("ticketing@gmail.com", "qwe1234");
+
+		// when
+		ResultActions actions = mvc.perform(post("/user/login")
+			.content(asJsonString(request))
+			.contentType(MediaType.APPLICATION_JSON));
+
+		// then
+		actions.andDo(print())
+			.andExpect(status().isUnauthorized());
+	}
+
+	private String asJsonString(Object object) throws JsonProcessingException {
+		return objectMapper.writeValueAsString(object);
+	}
+
+}

server/src/test/java/com/ticketing/server/user/service/dto/SignUpDtoTest.java

@@ -21,4 +21,4 @@ class SignUpDtoTest {
 		assertThat(user).isInstanceOf(User.class);
 	}
 
-}
+}

server/src/test/resources/application.yml

@@ -16,3 +16,9 @@ spring:
 jasypt:
   encryptor:
     bean: jasyptStringEncryptor
+
+jwt:
+  access-header: ACCESS_TOKEN
+  prefix: Bearer
+  secret-key: Zi1sYWItdGlja2V0aW5nLXByb2plY3Qtc3ByaW5nLWJvb3Qtc2VjdXJpdHktand0LXNlY3JldC1rZXktZi1sYWItdGlja2V0aW5nLXByb2plY3Qtc3ByaW5nLWJvb3Qtc2VjdXJpdHktand0LXNlY3JldC1rZXkK
+  token-validity-in-seconds: 86400