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/*
* Copyright (C) 2019 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "HTTPServer.h"
#include <wtf/text/StringBuilder.h>
namespace WebDriver {
bool HTTPServer::listen(const std::optional<String>& host, unsigned port)
{
auto& endpoint = RemoteInspectorSocketEndpoint::singleton();
if (auto id = endpoint.listenInet(host ? host.value().utf8().data() : "", port, *this)) {
m_server = id;
return true;
}
return false;
}
void HTTPServer::disconnect()
{
auto& endpoint = RemoteInspectorSocketEndpoint::singleton();
endpoint.disconnect(m_server.value());
}
std::optional<ConnectionID> HTTPServer::doAccept(RemoteInspectorSocketEndpoint& endpoint, PlatformSocketType socket)
{
if (auto id = endpoint.createClient(socket, m_requestHandler)) {
m_requestHandler.connect(id.value());
return id;
}
return std::nullopt;
}
void HTTPServer::didChangeStatus(RemoteInspectorSocketEndpoint&, ConnectionID, RemoteInspectorSocketEndpoint::Listener::Status status)
{
if (status == Status::Closed)
m_server = std::nullopt;
}
void HTTPRequestHandler::connect(ConnectionID id)
{
m_client = id;
reset();
}
void HTTPRequestHandler::reset()
{
m_parser = { };
}
void HTTPRequestHandler::didReceive(RemoteInspectorSocketEndpoint&, ConnectionID, Vector<uint8_t>&& data)
{
switch (m_parser.parse(WTFMove(data))) {
case HTTPParser::Phase::Complete: {
auto message = m_parser.pullMessage();
HTTPRequestHandler::Request request {
message.method,
message.path,
reinterpret_cast<const char*>(message.requestBody.data()),
static_cast<size_t>(message.requestBody.size())
};
handleRequest(WTFMove(request), [this](HTTPRequestHandler::Response&& response) {
sendResponse(WTFMove(response));
});
break;
}
case HTTPParser::Phase::Error: {
HTTPRequestHandler::Response response {
400,
"text/html; charset=utf-8",
"<h1>Bad client</h1> Invalid HTML format"_s,
};
sendResponse(WTFMove(response));
return;
}
default:
return;
}
}
void HTTPRequestHandler::sendResponse(HTTPRequestHandler::Response&& response)
{
auto& endpoint = RemoteInspectorSocketEndpoint::singleton();
endpoint.send(m_client.value(), byteCast<uint8_t>(packHTTPMessage(WTFMove(response)).utf8().span()));
reset();
}
String HTTPRequestHandler::packHTTPMessage(HTTPRequestHandler::Response&& response) const
{
StringBuilder builder;
auto EOL = "\r\n"_s;
builder.append("HTTP/1.0 "_s, response.statusCode, ' ', response.statusCode == 200 ? "OK"_s : "ERROR"_s, EOL);
if (!response.data.isNull()) {
builder.append("Content-Type: "_s, response.contentType, EOL,
"Content-Length: "_s, response.data.length(), EOL,
"Cache-Control: no-cache"_s, EOL);
}
builder.append(EOL);
if (!response.data.isNull())
builder.append(String::fromUTF8(response.data.span()));
return builder.toString();
}
void HTTPRequestHandler::didClose(RemoteInspectorSocketEndpoint&, ConnectionID)
{
m_client = std::nullopt;
reset();
}
} // namespace WebDriver
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