first working version

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

@@ -1,11 +1,17 @@
 package com.example.nto.config;
 
+import com.example.nto.model.entity.Employee;
+import com.example.nto.repository.EmployeeRepository;
 import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.sql.init.dependency.DependsOnDatabaseInitialization;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.AuthenticationProvider;
 import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
+import org.springframework.security.config.Customizer;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
 import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
@@ -16,36 +22,51 @@ import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.factory.PasswordEncoderFactories;
 import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
 
 @Configuration
 @EnableWebSecurity
-@RequiredArgsConstructor
 @EnableGlobalMethodSecurity(prePostEnabled = true)
 public class SecurityConfig {
 
-    private final UserDetailsService userDetailsService;
+    @Autowired
+    private EmployeeRepository employeeRepository;
+
+    @Bean
+    @DependsOnDatabaseInitialization
+    public UserDetailsService userDetailsService(){
+        InMemoryUserDetailsManager inMemoryUserDetailsManager = new InMemoryUserDetailsManager();
+        for (Employee employee : employeeRepository.findAll()) {
+            inMemoryUserDetailsManager.createUser(employee);
+        }
+        return inMemoryUserDetailsManager;
+    }
 
     @Bean
     public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
         return http.csrf(AbstractHttpConfigurer::disable)
-                .authorizeHttpRequests(auth -> auth.requestMatchers(new AntPathRequestMatcher("/api/auth")).permitAll().anyRequest().authenticated())
-                .formLogin(AbstractAuthenticationFilterConfigurer::permitAll)
-                .getOrBuild();
+                .authorizeHttpRequests(auth -> auth.requestMatchers(new AntPathRequestMatcher("/api/auth")).permitAll()
+                        .anyRequest().authenticated())
+                .httpBasic(Customizer.withDefaults())
+                .build();
     }
 
     @Bean
     public AuthenticationProvider authenticationProvider() {
         DaoAuthenticationProvider provider = new DaoAuthenticationProvider();
-        provider.setUserDetailsService(userDetailsService);
+        provider.setUserDetailsService(userDetailsService());
         provider.setPasswordEncoder(passwordEncoder());
         return provider;
     }
 
     @Bean
-    public AuthenticationManager authenticationManager(final AuthenticationConfiguration config) throws Exception {
-        return config.getAuthenticationManager();
+    public AuthenticationManager authenticationManager(HttpSecurity http) throws Exception {
+        AuthenticationManagerBuilder authenticationManagerBuilder =
+                http.getSharedObject(AuthenticationManagerBuilder.class);
+        authenticationManagerBuilder.userDetailsService(userDetailsService());
+        return authenticationManagerBuilder.build();
     }
 
     @Bean

src/main/java/com/example/nto/controller/EmployeeController.java

@@ -28,14 +28,21 @@ public class EmployeeController {
         employeeService.updateVisit(login, code.getValue());
     }
 
+    @PreAuthorize("hasAuthority('ROLE_ADMIN')")
     @PostMapping("/add")
     public void add(@RequestBody final Employee employee) {
         employeeService.addEmployee(employee);
     }
 
-//    @PreAuthorize("hasAuthority('ROLE_ADMIN')")
-    @GetMapping("/ban")
+    @PreAuthorize("hasAuthority('ROLE_ADMIN')")
+    @PutMapping("/ban")
     public void ban(@RequestParam final String login) {
         employeeService.banEmployee(login);
     }
+
+    @PreAuthorize("hasAuthority('ROLE_ADMIN')")
+    @PutMapping("/unban")
+    public void unban(@RequestParam final String login) {
+        employeeService.unbanEmployee(login);
+    }
 }

src/main/java/com/example/nto/service/EmployeeService.java

@@ -14,4 +14,6 @@ public interface EmployeeService {
     void addEmployee(Employee employee);
 
     void banEmployee(String login);
+
+    void unbanEmployee(String login);
 }

src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java

@@ -8,13 +8,6 @@ import com.example.nto.service.exception.CodeNotFoundException;
 import com.example.nto.service.exception.EmployeeBannedException;
 import com.example.nto.service.exception.EmployeeNotFoundException;
 import lombok.RequiredArgsConstructor;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.security.authentication.AuthenticationManager;
-import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
-import org.springframework.security.core.userdetails.UserDetails;
-import org.springframework.security.core.userdetails.UserDetailsService;
-import org.springframework.security.core.userdetails.UsernameNotFoundException;
-import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 
@@ -74,4 +67,12 @@ public class EmployeeServiceImpl implements EmployeeService {
         employee.setIsBanned(true);
         employeeRepository.save(employee);
     }
+
+    @Override
+    public void unbanEmployee(String login) {
+        employeeExists(login);
+        var employee = getEmployee(login);
+        employee.setIsBanned(false);
+        employeeRepository.save(employee);
+    }
 }