private void write(XHROptionsMessage msg, ChannelHandlerContext ctx, ChannelPromise promise) {
HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.OK);
HttpHeaders.addHeader(res, "Set-Cookie", "io=" + msg.getSessionId());
HttpHeaders.addHeader(res, CONNECTION, KEEP_ALIVE);
HttpHeaders.addHeader(res, ACCESS_CONTROL_ALLOW_HEADERS, CONTENT_TYPE);
addOriginHeaders(ctx.channel(), res);
ByteBuf out = encoder.allocateBuffer(ctx.alloc());
sendMessage(msg, ctx.channel(), out, res, promise);
}
private void addOriginHeaders(Channel channel, HttpResponse res) {
if (version != null) {
res.headers().add(HttpHeaders.Names.SERVER, version);
}
if (configuration.getOrigin() != null) {
HttpHeaders.addHeader(res, ACCESS_CONTROL_ALLOW_ORIGIN, configuration.getOrigin());
HttpHeaders.addHeader(res, ACCESS_CONTROL_ALLOW_CREDENTIALS, Boolean.TRUE);
} else {
String origin = channel.attr(ORIGIN).get();
if (origin != null) {
HttpHeaders.addHeader(res, ACCESS_CONTROL_ALLOW_ORIGIN, origin);
HttpHeaders.addHeader(res, ACCESS_CONTROL_ALLOW_CREDENTIALS, Boolean.TRUE);
} else {
HttpHeaders.addHeader(res, ACCESS_CONTROL_ALLOW_ORIGIN, "*");
}
}
}
@Override
public void writeToResponse(SessionContext context) {
FullHttpResponse response = context.getResponse();
if (detector.hasHeader(response, name)) {
response.headers().remove(name);
}
HttpHeaders.addHeader(response, name, new String(resource.readFor(context.getRequest())));
}
@Override
public void handleWebRequest(
ChannelHandlerContext ctx,
HttpRequest nettyRequest,
HttpFileUpload upload,
Set<HttpCookie> cookiesToAdd)
throws IOException {
NettyHttpRequest request =
new NettyHttpRequest(nettyRequest, parentHandler.getWebServer().getLog());
NettyHttpResponse response = new NettyHttpResponse(ctx, extraHttpContentHeaders);
response.addCookies(cookiesToAdd);
DefaultFullHttpResponse res;
try {
requestHandler.handle(request, upload, response);
res =
new DefaultFullHttpResponse(
HttpVersion.HTTP_1_1,
HttpResponseStatus.valueOf(response.getResponseCode()),
response.getChannelBuffer());
String contentType = response.getContentType();
if (contentType != null) {
addHeader(res, HttpHeaders.Names.CONTENT_TYPE, contentType);
}
parentHandler.addHttpResponseHeaders(res, response.getContentHeaders());
parentHandler.sendHttpResponse(ctx, nettyRequest, res, true, false);
parentHandler
.getWebServer()
.getLog()
.debug("Dynamic content handler for %s completed", uriPrefix);
} catch (Throwable e) {
parentHandler
.getWebServer()
.getLog()
.error(
String.format(
"Error while handling dynamic web server request %s", nettyRequest.getUri()),
e);
parentHandler.sendError(ctx, HttpResponseStatus.INTERNAL_SERVER_ERROR);
}
}
public static void setTransferEncodingChunked(HttpMessage m) {
addHeader(m, Names.TRANSFER_ENCODING, Values.CHUNKED);
removeHeader(m, Names.CONTENT_LENGTH);
}