bezcoder spring auth code example

Example 1: Spring Security JWT Authentication + PostgreSQL – RestAPIs SpringBoot + Spring MVC + Spring JPA

package com.grokonez.jwtauthentication.model;
 
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
 
import org.hibernate.annotations.NaturalId;
 
@Entity
@Table(name = "roles")
public class Role {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
 
    @Enumerated(EnumType.STRING)
    @NaturalId
    @Column(length = 60)
    private RoleName name;
 
    public Role() {}
 
    public Role(RoleName name) {
        this.name = name;
    }
 
    public Long getId() {
        return id;
    }
 
    public void setId(Long id) {
        this.id = id;
    }
 
    public RoleName getName() {
        return name;
    }
 
    public void setName(RoleName name) {
        this.name = name;
    }
}

Example 2: Spring Security JWT Authentication + PostgreSQL – RestAPIs SpringBoot + Spring MVC + Spring JPA

package com.grokonez.jwtauthentication.security;
 
import org.springframework.beans.factory.annotation.Autowired;
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.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
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.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
 
import com.grokonez.jwtauthentication.security.jwt.JwtAuthEntryPoint;
import com.grokonez.jwtauthentication.security.jwt.JwtAuthTokenFilter;
import com.grokonez.jwtauthentication.security.services.UserDetailsServiceImpl;
 
@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(
    prePostEnabled = true
)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
    @Autowired
    UserDetailsServiceImpl userDetailsService;
 
    @Autowired
    private JwtAuthEntryPoint unauthorizedHandler;
 
    @Bean
    public JwtAuthTokenFilter authenticationJwtTokenFilter() {
        return new JwtAuthTokenFilter();
    }
 
    @Override
    public void configure(AuthenticationManagerBuilder authenticationManagerBuilder) throws Exception {
        authenticationManagerBuilder
                .userDetailsService(userDetailsService)
                .passwordEncoder(passwordEncoder());
    }
 
    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }
 
    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }
    
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.cors().and().csrf().disable().
                authorizeRequests()
                .antMatchers("/api/auth/**").permitAll()
                .anyRequest().authenticated()
                .and()
                .exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);
        
        http.addFilterBefore(authenticationJwtTokenFilter(), UsernamePasswordAuthenticationFilter.class);
    }
}