com.web.mavenproject6.config.CustomAuthenticationProvider.java Source code

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Here is the source code for com.web.mavenproject6.config.CustomAuthenticationProvider.java

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package com.web.mavenproject6.config;

import com.web.mavenproject6.entities.Users;
import com.web.mavenproject6.service.UserServiceImp;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.stereotype.Component;

@Component
public class CustomAuthenticationProvider implements AuthenticationProvider {

    @Autowired
    UserServiceImp userServiceImp;

    public CustomAuthenticationProvider() {
        super();
    }

    // API

    @Override
    public Authentication authenticate(final Authentication authentication) throws AuthenticationException {
        final String name = authentication.getName();
        final String password = authentication.getCredentials().toString();

        System.err.println("!!!!Password " + password);
        for (Users u : userServiceImp.list()) {
            if (u.getUsername().equals(name) && u.getPassword().equals(password)) {
                final List<GrantedAuthority> grantedAuths = new ArrayList<GrantedAuthority>();
                grantedAuths.add(new SimpleGrantedAuthority("ROLE_USER"));
                final UserDetails principal = new User(name, password, grantedAuths);
                final Authentication auth = new UsernamePasswordAuthenticationToken(principal, password,
                        grantedAuths);
                return auth;
            }

        }
        return null;
    }

    @Override
    public boolean supports(final Class<?> authentication) {
        return authentication.equals(UsernamePasswordAuthenticationToken.class);
    }

}