import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.security.authentication.AuthenticationManager;

import org.springframework.security.core.userdetails.UserDetailsService;

import org.springframework.security.crypto.password.PasswordEncoder;

import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;

import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;

import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;

import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;

import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;

import org.springframework.security.oauth2.provider.token.TokenStore;

import org.springframework.security.oauth2.provider.token.store.JdbcTokenStore;

import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;

​

import javax.sql.DataSource;

​

@Configuration

@EnableAuthorizationServer

public class AuthorizationServerConfig

        extends AuthorizationServerConfigurerAdapter {

​

    @Value("${jwt.key}")

    private String jwtKey;

    @Autowired

    private PasswordEncoder passwordEncoder;

    @Autowired

    private DataSource dataSource;

    @Autowired

    private AuthenticationManager authenticationManager;

    @Autowired

    private TokenStore tokenStore;

    @Autowired

    private JwtAccessTokenConverter jwtAccessTokenConverter;

    @Autowired

    private UserDetailsService userDetailsService;

    @Override

    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {

        clients.jdbc(dataSource).passwordEncoder(passwordEncoder);

    }

​

    @Override

    public void configure(AuthorizationServerEndpointsConfigurer endpoints) {

        endpoints

                .authenticationManager(authenticationManager)

                .tokenStore(tokenStore)

                .accessTokenConverter(jwtAccessTokenConverter)

                .userDetailsService(userDetailsService);

    }

​

    @Bean

    public TokenStore tokenStore() {

        return new JdbcTokenStore(dataSource);

    }

​

    @Bean

    public JwtAccessTokenConverter jwtAccessTokenConverter() {

        var converter = new JwtAccessTokenConverter();

        converter.setSigningKey(jwtKey);

        return converter;

    }

​

    @Override

    public void configure(AuthorizationServerSecurityConfigurer security) {

        security.checkTokenAccess("isAuthenticated()");

    }

}