feat: configure Spring Security

src/main/java/com/example/bankcards/config/SecurityConfig.java

@@ -0,0 +1,76 @@
+package com.example.bankcards.config;
+
+import com.example.bankcards.security.JwtAuthenticationFilter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpMethod;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.authentication.AuthenticationProvider;
+import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
+import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
+import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
+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.core.userdetails.UserDetailsService;
+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
+@EnableMethodSecurity
+@RequiredArgsConstructor
+public class SecurityConfig {
+
+    private final JwtAuthenticationFilter jwtAuthFilter;
+    private final UserDetailsService userDetailsService;
+
+    @Bean
+    public SecurityFilterChain securityFilterChain(HttpSecurity http)
+        throws Exception {
+        return http
+            .csrf(AbstractHttpConfigurer::disable)
+            .authorizeHttpRequests(auth ->
+                auth
+                    .requestMatchers("/api/auth/**")
+                    .permitAll()
+                    .requestMatchers("/api/admin/**")
+                    .hasAuthority("ROLE_ADMIN")
+                    .anyRequest()
+                    .authenticated()
+            )
+            .sessionManagement(sess ->
+                sess.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
+            )
+            .authenticationProvider(authenticationProvider())
+            .addFilterBefore(
+                jwtAuthFilter,
+                UsernamePasswordAuthenticationFilter.class
+            )
+            .build();
+    }
+
+    @Bean
+    public AuthenticationProvider authenticationProvider() {
+        DaoAuthenticationProvider provider = new DaoAuthenticationProvider();
+        provider.setUserDetailsService(userDetailsService);
+        provider.setPasswordEncoder(passwordEncoder());
+        return provider;
+    }
+
+    @Bean
+    public AuthenticationManager authenticationManager(
+        AuthenticationConfiguration config
+    ) throws Exception {
+        return config.getAuthenticationManager();
+    }
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+}