com.itn.configuration.SecurityConfiguration.java Source code

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Here is the source code for com.itn.configuration.SecurityConfiguration.java

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package com.itn.configuration;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
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.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

/**
 *
 * @author Hp
 */
@Configuration
@EnableWebSecurity
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
    @Autowired
    @Qualifier("customUserDetailsService")
    //UserDetaulsService is a default class for password encryption provided by spring        
    UserDetailsService userDetailsService;

    @Autowired
    public void configureGlobalSecurity(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService);
        auth.authenticationProvider(authenticationProvider());//This is for password encryption
    }

    //---Password Encryption--------
    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Bean
    public DaoAuthenticationProvider authenticationProvider() {
        DaoAuthenticationProvider authenticationProvider = new DaoAuthenticationProvider();
        authenticationProvider.setUserDetailsService(userDetailsService);
        authenticationProvider.setPasswordEncoder(passwordEncoder());
        return authenticationProvider;
    }

    //---Password Encryption--------
    @Override
    protected void configure(HttpSecurity http) throws Exception {

        http.authorizeRequests().antMatchers("/", "/home").permitAll().antMatchers("/admin/**")
                .access("hasRole('ADMIN')").antMatchers("/user/**").access("hasRole('USER')")
                //      .and().formLogin(). To make default login page
                .and().formLogin().loginPage("/login")//to make custome login page
                .usernameParameter("username").passwordParameter("password").and().csrf().disable()//This line is optional
                .exceptionHandling().accessDeniedPage("/Access_Denied");//

    }

}