config

HMS_BACKEND/src/main/java/com/rhms/hms_backend/Configurations/Configs.java

@@ -0,0 +1,73 @@
+package com.rhms.hms_backend.Configurations;
+
+import com.rhms.hms_backend.Repositories.UserRepo;
+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.authentication.AuthenticationProvider;
+import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
+import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
+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.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+@Configuration
+@RequiredArgsConstructor
+public class Configs {
+
+    private final UserRepo userRepo;
+
+    @Bean
+    public UserDetailsService userDetailsService () {
+        return index -> (UserDetails) userRepo.findByIndex(index)
+                .orElseThrow(() -> new UsernameNotFoundException("Index Not Found!"));
+    }
+
+
+    @Bean
+    public PasswordEncoder passwordEncoder () {
+        return new BCryptPasswordEncoder();
+    }
+
+    @Bean
+    public AuthenticationProvider authenticationProvider(){
+        DaoAuthenticationProvider authProvider=new DaoAuthenticationProvider();
+        authProvider.setUserDetailsService(userDetailsService());
+        authProvider.setPasswordEncoder(passwordEncoder());
+        return authProvider;
+    }
+
+
+    @Bean
+    public AuthenticationManager authenticationManager(AuthenticationConfiguration configuration) throws Exception {
+        return configuration.getAuthenticationManager();
+    }
+
+    @Bean
+    public WebMvcConfigurer corsConfigurer() {    //Enabling Cross Origin Access
+        return new WebMvcConfigurer() {
+            @Override
+            public void addCorsMappings(CorsRegistry registry) {
+                registry.addMapping("/api/**")
+                        .allowedOrigins("http://localhost:4200")
+                        .allowedMethods("GET", "POST", "PUT", "DELETE")
+                        .allowedHeaders("*");
+            }
+        };
+    }
+    @Bean
+    public ExecutorService executorService() {
+        return Executors.newFixedThreadPool(10); // Adjust the pool size as per your requirements
+    }
+
+}
+
+