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#include "async_resp.hpp"
#include "http/http2_connection.hpp"
#include "http/http_request.hpp"
#include "http/http_response.hpp"
#include "nghttp2_adapters.hpp"
#include <nghttp2/nghttp2.h>
#include <unistd.h>
#include <boost/asio/buffer.hpp>
#include <boost/asio/impl/write.hpp>
#include <boost/asio/io_context.hpp>
#include <boost/asio/steady_timer.hpp>
#include <boost/beast/_experimental/test/stream.hpp>
#include <boost/beast/http/field.hpp>
#include <bit>
#include <cstddef>
#include <cstdint>
#include <functional>
#include <memory>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace crow
{
namespace
{
using ::testing::Pair;
using ::testing::UnorderedElementsAre;
struct FakeHandler
{
bool called = false;
void handle(Request& req,
const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
{
called = true;
EXPECT_EQ(req.url().buffer(), "/redfish/v1/");
EXPECT_EQ(req.methodString(), "GET");
EXPECT_EQ(req.getHeaderValue(boost::beast::http::field::user_agent),
"curl/8.5.0");
EXPECT_EQ(req.getHeaderValue(boost::beast::http::field::accept), "*/*");
EXPECT_EQ(req.getHeaderValue(":authority"), "localhost:18080");
asyncResp->res.write("StringOutput");
}
};
std::string getDateStr()
{
return "TestTime";
}
void unpackHeaders(std::string_view dataField,
std::vector<std::pair<std::string, std::string>>& headers)
{
nghttp2_hd_inflater_ex inflater;
while (!dataField.empty())
{
nghttp2_nv nv;
int inflateFlags = 0;
const uint8_t* data = std::bit_cast<const uint8_t*>(dataField.data());
ssize_t parsed = inflater.hd2(&nv, &inflateFlags, data,
dataField.size(), 1);
ASSERT_GT(parsed, 0);
dataField.remove_prefix(static_cast<size_t>(parsed));
if ((inflateFlags & NGHTTP2_HD_INFLATE_EMIT) > 0)
{
const char* namePtr = std::bit_cast<const char*>(nv.name);
std::string key(namePtr, nv.namelen);
const char* valPtr = std::bit_cast<const char*>(nv.value);
std::string value(valPtr, nv.valuelen);
headers.emplace_back(key, value);
}
if ((inflateFlags & NGHTTP2_HD_INFLATE_FINAL) > 0)
{
EXPECT_EQ(inflater.endHeaders(), 0);
break;
}
}
EXPECT_TRUE(dataField.empty());
}
TEST(http_connection, RequestPropogates)
{
using namespace std::literals;
boost::asio::io_context io;
boost::beast::test::stream stream(io);
boost::beast::test::stream out(io);
stream.connect(out);
// This is a binary pre-encrypted stream captured from curl for a request to
// curl https://localhost:18080/redfish/v1/
std::string_view toSend =
// Hello
"PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
// 18 byte settings frame
"\x00\x00\x12\x04\x00\x00\x00\x00\x00"
// Settings
"\x00\x03\x00\x00\x00\x64\x00\x04\x00\xa0\x00\x00\x00\x02\x00\x00\x00\x00"
// Window update frame
"\x00\x00\x04\x08\x00\x00\x00\x00\x00"
// Window update
"\x3e\x7f\x00\x01"
// Header frame END_STREAM, END_HEADERS set
"\x00\x00\x29\x01\x05\x00\x00\x00"
// Header payload
"\x01\x82\x87\x41\x8b\xa0\xe4\x1d\x13\x9d\x09\xb8\x17\x80\xf0\x3f"
"\x04\x89\x62\xc2\xc9\x29\x91\x3b\x1d\xc2\xc7\x7a\x88\x25\xb6\x50"
"\xc3\xcb\xb6\xb8\x3f\x53\x03\x2a\x2f\x2a"sv;
boost::asio::write(out, boost::asio::buffer(toSend));
FakeHandler handler;
boost::asio::steady_timer timer(io);
std::function<std::string()> date(getDateStr);
auto conn = std::make_shared<
HTTP2Connection<boost::beast::test::stream, FakeHandler>>(
std::move(stream), &handler, date);
conn->start();
std::string_view expectedPrefix =
// Settings frame size 13
"\x00\x00\x0c\x04\x00\x00\x00\x00\x00"
// 4 max concurrent streams
"\x00\x03\x00\x00\x00\x04"
// Enable push = false
"\x00\x02\x00\x00\x00\x00"
// Settings ACK from server to client
"\x00\x00\x00\x04\x01\x00\x00\x00\x00"
// Start Headers frame stream 1, size 0x005f
"\x00\x00\x5f\x01\x04\x00\x00\x00\x01"sv;
std::string_view expectedPostfix =
// Data Frame, Length 12, Stream 1, End Stream flag set
"\x00\x00\x0c\x00\x01\x00\x00\x00\x01"
// The body expected
"StringOutput"sv;
std::string_view outStr;
constexpr size_t headerSize = 0x05f;
// Run until we receive the expected amount of data
while (outStr.size() <
expectedPrefix.size() + headerSize + expectedPostfix.size())
{
io.run_one();
outStr = out.str();
}
EXPECT_TRUE(handler.called);
// check the stream output against expected
EXPECT_EQ(outStr.substr(0, expectedPrefix.size()), expectedPrefix);
outStr.remove_prefix(expectedPrefix.size());
std::vector<std::pair<std::string, std::string>> headers;
unpackHeaders(outStr.substr(0, headerSize), headers);
outStr.remove_prefix(headerSize);
EXPECT_THAT(headers,
UnorderedElementsAre(
Pair(":status", "200"), Pair("content-length", "12"),
Pair("strict-transport-security",
"max-age=31536000; includeSubdomains"),
Pair("cache-control", "no-store, max-age=0"),
Pair("x-content-type-options", "nosniff"),
Pair("pragma", "no-cache"), Pair("date", "TestTime")));
EXPECT_EQ(outStr, expectedPostfix);
}
} // namespace
} // namespace crow
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