ClickHouse/src/Server/WebUIRequestHandler.cpp
2023-09-14 16:40:42 +00:00

83 lines
2.6 KiB
C++

#include "WebUIRequestHandler.h"
#include "IServer.h"
#include <Poco/Net/HTTPServerRequest.h>
#include <Poco/Net/HTTPServerResponse.h>
#include <Poco/Util/LayeredConfiguration.h>
#include <IO/HTTPCommon.h>
#ifdef __clang__
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
#endif
#include <re2/re2.h>
#ifdef __clang__
# pragma clang diagnostic pop
#endif
#include <incbin.h>
#include "config.h"
/// Embedded HTML pages
INCBIN(resource_play_html, SOURCE_DIR "/programs/server/play.html");
INCBIN(resource_dashboard_html, SOURCE_DIR "/programs/server/dashboard.html");
INCBIN(resource_uplot_js, SOURCE_DIR "/programs/server/js/uplot.js");
namespace DB
{
WebUIRequestHandler::WebUIRequestHandler(IServer & server_)
: server(server_)
{
}
void WebUIRequestHandler::handleRequest(HTTPServerRequest & request, HTTPServerResponse & response)
{
auto keep_alive_timeout = server.config().getUInt("keep_alive_timeout", DEFAULT_HTTP_KEEP_ALIVE_TIMEOUT);
response.setContentType("text/html; charset=UTF-8");
if (request.getVersion() == HTTPServerRequest::HTTP_1_1)
response.setChunkedTransferEncoding(true);
setResponseDefaultHeaders(response, keep_alive_timeout);
if (request.getURI().starts_with("/play"))
{
response.setStatusAndReason(Poco::Net::HTTPResponse::HTTP_OK);
*response.send() << std::string_view(reinterpret_cast<const char *>(gresource_play_htmlData), gresource_play_htmlSize);
}
else if (request.getURI().starts_with("/dashboard"))
{
response.setStatusAndReason(Poco::Net::HTTPResponse::HTTP_OK);
std::string html(reinterpret_cast<const char *>(gresource_dashboard_htmlData), gresource_dashboard_htmlSize);
/// Replace a link to external JavaScript file to embedded file.
/// This allows to open the HTML without running a server and to host it on server.
/// Note: we can embed the JavaScript file inline to the HTML,
/// but we don't do it to keep the "view-source" perfectly readable.
static re2::RE2 uplot_url = R"(https://[^\s"'`]+u[Pp]lot[^\s"'`]*\.js)";
RE2::Replace(&html, uplot_url, "/js/uplot.js");
*response.send() << html;
}
else if (request.getURI() == "/js/uplot.js")
{
response.setStatusAndReason(Poco::Net::HTTPResponse::HTTP_OK);
*response.send() << std::string_view(reinterpret_cast<const char *>(gresource_uplot_jsData), gresource_uplot_jsSize);
}
else
{
response.setStatusAndReason(Poco::Net::HTTPResponse::HTTP_NOT_FOUND);
*response.send() << "Not found.\n";
}
}
}