From d8fe269327a1a51f2588a3573a4764613da16388 Mon Sep 17 00:00:00 2001
From: Trumeet <yuuta@yuuta.moe>
Date: Tue, 26 Jul 2022 19:06:11 -0700
Subject: Move the mod to mod/

---
 src/main/java/moe/ymc/acron/net/AuthHandler.java | 98 ------------------------
 1 file changed, 98 deletions(-)
 delete mode 100644 src/main/java/moe/ymc/acron/net/AuthHandler.java

(limited to 'src/main/java/moe/ymc/acron/net/AuthHandler.java')

diff --git a/src/main/java/moe/ymc/acron/net/AuthHandler.java b/src/main/java/moe/ymc/acron/net/AuthHandler.java
deleted file mode 100644
index 3e42e14..0000000
--- a/src/main/java/moe/ymc/acron/net/AuthHandler.java
+++ /dev/null
@@ -1,98 +0,0 @@
-package moe.ymc.acron.net;
-
-import io.netty.channel.ChannelFutureListener;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.SimpleChannelInboundHandler;
-import io.netty.handler.codec.http.*;
-import io.netty.handler.codec.http.websocketx.WebSocketServerHandshaker;
-import io.netty.handler.codec.http.websocketx.WebSocketServerHandshakerFactory;
-import moe.ymc.acron.auth.Client;
-import moe.ymc.acron.config.Config;
-import org.apache.commons.codec.digest.DigestUtils;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
-
-/**
- * Handle handshake request and authentication.
- * We cannot use WebSocketServerProtocolHandler because it does not allow
- * us doing anything before handshaking.
- */
-public class AuthHandler extends SimpleChannelInboundHandler<HttpRequest> {
-    private static final Logger LOGGER = LogManager.getLogger();
-
-    @Override
-    protected void channelRead0(ChannelHandlerContext ctx, HttpRequest msg) throws Exception {
-        LOGGER.debug("channelRead0: {}", msg.uri());
-        if (msg.method() != HttpMethod.GET) {
-            ctx.channel().writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
-                            HttpResponseStatus.BAD_REQUEST))
-                    .addListener(ChannelFutureListener.CLOSE);
-            return;
-        }
-        HttpHeaders headers = msg.headers();
-
-        if (!"Upgrade".equalsIgnoreCase(headers.get(HttpHeaderNames.CONNECTION)) ||
-                !"WebSocket".equalsIgnoreCase(headers.get(HttpHeaderNames.UPGRADE))) {
-            ctx.channel().writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
-                            HttpResponseStatus.BAD_REQUEST))
-                    .addListener(ChannelFutureListener.CLOSE);
-            return;
-        }
-
-        final QueryStringDecoder decoder = new QueryStringDecoder(msg.uri());
-        if (!decoder.path().equals("/ws")) {
-            ctx.fireChannelRead(msg);
-            return;
-        }
-        if (decoder.parameters().isEmpty() ||
-                decoder.parameters().get("id") == null ||
-                decoder.parameters().get("id").size() != 1 ||
-                decoder.parameters().get("token") == null ||
-                decoder.parameters().get("token").size() != 1) {
-            ctx.writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
-                            HttpResponseStatus.BAD_REQUEST))
-                    .addListener(ChannelFutureListener.CLOSE);
-            return;
-        }
-
-        final String id = decoder.parameters().get("id").get(0);
-        final String token = decoder.parameters().get("token").get(0);
-        final String versionRaw = (decoder.parameters().get("version") == null ||
-                decoder.parameters().get("version").isEmpty()) ? "0" :
-                decoder.parameters().get("version").get(0);
-        try {
-            if (Integer.parseInt(versionRaw) != 0) {
-                ctx.writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
-                                HttpResponseStatus.BAD_REQUEST))
-                        .addListener(ChannelFutureListener.CLOSE);
-                return;
-            }
-        } catch (NumberFormatException ignored) {
-            ctx.writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
-                            HttpResponseStatus.BAD_REQUEST))
-                    .addListener(ChannelFutureListener.CLOSE);
-            return;
-        }
-
-        final Client client = Config.getGlobalConfig().clients().get(id);
-        if (client == null ||
-                !client.token().equals(DigestUtils.sha256Hex(token))) {
-            ctx.writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
-                            HttpResponseStatus.UNAUTHORIZED))
-                    .addListener(ChannelFutureListener.CLOSE);
-            return;
-        }
-        ctx.channel().attr(Attributes.ID).set(new ClientIdentification(0, client));
-        WebSocketServerHandshakerFactory wsFactory =
-                new WebSocketServerHandshakerFactory("/ws", null, true);
-        final WebSocketServerHandshaker handshaker = wsFactory.newHandshaker(msg);
-        if (handshaker == null) {
-            WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(ctx.channel());
-            return;
-        }
-        ctx.channel().attr(Attributes.HANDSHAKER).set(handshaker);
-        handshaker.handshake(ctx.channel(), msg);
-        ctx.pipeline().replace(this, "websocketHandler", new WSFrameHandler());
-        ctx.fireUserEventTriggered(new HandshakeComplete());
-    }
-}
-- 
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