com.slyak.services.proxy.handler.Socks5PasswordAuthRequestHandler.java Source code

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Here is the source code for com.slyak.services.proxy.handler.Socks5PasswordAuthRequestHandler.java

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/*
 *  Copyright 2017 the original author or authors.
 *
 *  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.slyak.services.proxy.handler;

import com.slyak.services.proxy.auth.AuthProvider;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthRequest;
import io.netty.handler.codec.socksx.v5.DefaultSocks5PasswordAuthResponse;
import io.netty.handler.codec.socksx.v5.Socks5PasswordAuthResponse;
import io.netty.handler.codec.socksx.v5.Socks5PasswordAuthStatus;

/**
 * .
 *
 * @author stormning 2017/4/21
 * @since 1.3.0
 */
class Socks5PasswordAuthRequestHandler extends SimpleChannelInboundHandler<DefaultSocks5PasswordAuthRequest> {

    private AuthProvider authProvider;

    public Socks5PasswordAuthRequestHandler(AuthProvider authProvider) {
        this.authProvider = authProvider;
    }

    @Override
    protected void channelRead0(ChannelHandlerContext ctx, DefaultSocks5PasswordAuthRequest msg) throws Exception {
        if (authProvider.authenticate(msg.username(), msg.password())) {
            Socks5PasswordAuthResponse passwordAuthResponse = new DefaultSocks5PasswordAuthResponse(
                    Socks5PasswordAuthStatus.SUCCESS);
            ctx.writeAndFlush(passwordAuthResponse);
        } else {
            Socks5PasswordAuthResponse passwordAuthResponse = new DefaultSocks5PasswordAuthResponse(
                    Socks5PasswordAuthStatus.FAILURE);
            //??????channel
            ctx.writeAndFlush(passwordAuthResponse).addListener(ChannelFutureListener.CLOSE);
        }
    }

}