feat: Spring Security 구성

- SecurityConfig, EncoderConfig 구성

Author: ysw789

src/main/java/dmu/dasom/api/global/auth/config/EncoderConfig.java

@@ -0,0 +1,15 @@
+package dmu.dasom.api.global.auth.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+
+@Configuration
+public class EncoderConfig {
+
+    @Bean
+    public BCryptPasswordEncoder bCryptPasswordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+
+}

src/main/java/dmu/dasom/api/global/auth/config/SecurityConfig.java

@@ -0,0 +1,64 @@
+package dmu.dasom.api.global.auth.config;
+
+import dmu.dasom.api.domain.member.enums.Role;
+import dmu.dasom.api.global.auth.filter.CustomAuthenticationFilter;
+import dmu.dasom.api.global.auth.filter.CustomLogoutFilter;
+import dmu.dasom.api.global.auth.filter.JwtFilter;
+import dmu.dasom.api.global.auth.handler.AccessDeniedHandlerImpl;
+import dmu.dasom.api.global.auth.handler.AuthenticationEntryPointImpl;
+import dmu.dasom.api.global.auth.jwt.JwtUtil;
+import lombok.RequiredArgsConstructor;
+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.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
+import org.springframework.security.config.http.SessionCreationPolicy;
+import org.springframework.security.web.SecurityFilterChain;
+import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
+
+@Configuration
+@EnableWebSecurity
+@RequiredArgsConstructor
+public class SecurityConfig {
+
+    private final AccessDeniedHandlerImpl accessDeniedHandler;
+    private final AuthenticationEntryPointImpl authenticationEntryPoint;
+    private final JwtFilter jwtFilter;
+    private final JwtUtil jwtUtil;
+
+    @Bean
+    public AuthenticationManager authenticationManager(final AuthenticationConfiguration configuration) throws Exception {
+        return configuration.getAuthenticationManager();
+    }
+
+    @Bean
+    public SecurityFilterChain filterChain(final HttpSecurity http, final AuthenticationManager authenticationManager) throws Exception {
+        final CustomAuthenticationFilter customAuthenticationFilter = new CustomAuthenticationFilter(authenticationManager, jwtUtil);
+        customAuthenticationFilter.setFilterProcessesUrl("/api/auth/login");
+
+        return http
+                .csrf(AbstractHttpConfigurer::disable)
+                .cors(AbstractHttpConfigurer::disable)
+                .formLogin(AbstractHttpConfigurer::disable)
+                .httpBasic(AbstractHttpConfigurer::disable)
+                .logout(AbstractHttpConfigurer::disable)
+                .sessionManagement(session -> session
+                        .sessionCreationPolicy(SessionCreationPolicy.STATELESS))
+                .authorizeHttpRequests(auth -> auth
+                        .requestMatchers("/api/admin/**").hasRole(Role.ROLE_ADMIN.getName())
+                        .requestMatchers("/api/auth/logout").authenticated()
+                        .requestMatchers("/api/**", "/swagger-ui/**", "/v3/api-docs/**").permitAll()
+                        .anyRequest().authenticated())
+                .addFilterBefore(jwtFilter, CustomAuthenticationFilter.class)
+                .addFilterAt(customAuthenticationFilter, UsernamePasswordAuthenticationFilter.class)
+                .addFilterAfter(new CustomLogoutFilter(jwtUtil), JwtFilter.class)
+                .exceptionHandling(handler -> handler
+                        .accessDeniedHandler(accessDeniedHandler)
+                        .authenticationEntryPoint(authenticationEntryPoint))
+                .build();
+    }
+
+}