com.alibaba.nacos.plugin.auth.impl.CustomAuthenticationProvider Maven / Gradle / Ivy
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/*
* Copyright 1999-2021 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.nacos.plugin.auth.impl;
import com.alibaba.nacos.plugin.auth.impl.users.NacosUserDetailsServiceImpl;
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.userdetails.UserDetails;
import org.springframework.stereotype.Component;
/**
* auth provider.
*
* @author wfnuser
*/
@Component
public class CustomAuthenticationProvider implements AuthenticationProvider {
@Autowired
private NacosUserDetailsServiceImpl userDetailsService;
@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
String username = (String) authentication.getPrincipal();
String password = (String) authentication.getCredentials();
UserDetails userDetails = userDetailsService.loadUserByUsername(username);
if (!password.equals(userDetails.getPassword())) {
return new UsernamePasswordAuthenticationToken(username, null, null);
}
return null;
}
@Override
public boolean supports(Class aClass) {
return aClass.equals(UsernamePasswordAuthenticationToken.class);
}
}