public static final class Methods {
public static final String CONNECT = HttpMethod.CONNECT.name();
public static final String DELETE = HttpMethod.DELETE.name();
public static final String GET = HttpMethod.GET.name();
public static final String HEAD = HttpMethod.HEAD.name();
public static final String OPTIONS = HttpMethod.OPTIONS.name();
public static final String PATCH = HttpMethod.PATCH.name();
public static final String POST = HttpMethod.POST.name();
public static final String PUT = HttpMethod.PUT.name();
public static final String TRACE = HttpMethod.TRACE.name();
private Methods() {}
}
@Override
protected void channelRead0(ChannelHandlerContext ctx, WeixinRequest request)
throws WeixinException {
final AesToken aesToken = request.getAesToken();
if (aesToken == null
|| (StringUtil.isBlank(request.getSignature())
&& StringUtil.isBlank(request.getMsgSignature()))) {
ctx.writeAndFlush(HttpUtil.createHttpResponse(BAD_REQUEST))
.addListener(ChannelFutureListener.CLOSE);
return;
}
/** 公众平台:无论Get,Post都带signature参数,当开启aes模式时带msg_signature参数 企业号:无论Get,Post都带msg_signature参数 */
if (request.getMethod().equals(HttpMethod.GET.name())) {
if (!StringUtil.isBlank(request.getSignature())
&& MessageUtil.signature(aesToken.getToken(), request.getTimeStamp(), request.getNonce())
.equals(request.getSignature())) {
ctx.write(new SingleResponse(request.getEchoStr()));
return;
}
if (!StringUtil.isBlank(request.getMsgSignature())
&& MessageUtil.signature(
aesToken.getToken(),
request.getTimeStamp(),
request.getNonce(),
request.getEchoStr())
.equals(request.getMsgSignature())) {
ctx.write(
new SingleResponse(
MessageUtil.aesDecrypt(null, aesToken.getAesKey(), request.getEchoStr())));
return;
}
ctx.writeAndFlush(HttpUtil.createHttpResponse(FORBIDDEN))
.addListener(ChannelFutureListener.CLOSE);
return;
} else if (request.getMethod().equals(HttpMethod.POST.name())) {
if (!StringUtil.isBlank(request.getSignature())
&& !MessageUtil.signature(aesToken.getToken(), request.getTimeStamp(), request.getNonce())
.equals(request.getSignature())) {
ctx.writeAndFlush(HttpUtil.createHttpResponse(FORBIDDEN))
.addListener(ChannelFutureListener.CLOSE);
return;
}
if (request.getEncryptType() == EncryptType.AES
&& !MessageUtil.signature(
aesToken.getToken(),
request.getTimeStamp(),
request.getNonce(),
request.getEncryptContent())
.equals(request.getMsgSignature())) {
ctx.writeAndFlush(HttpUtil.createHttpResponse(FORBIDDEN))
.addListener(ChannelFutureListener.CLOSE);
return;
}
} else {
ctx.writeAndFlush(HttpUtil.createHttpResponse(METHOD_NOT_ALLOWED))
.addListener(ChannelFutureListener.CLOSE);
return;
}
WeixinMessageTransfer messageTransfer = MessageTransferHandler.parser(request);
ctx.channel().attr(Consts.MESSAGE_TRANSFER_KEY).set(messageTransfer);
messageDispatcher.doDispatch(ctx, request, messageTransfer);
}