diff options
Diffstat (limited to 'tests/auto/network/access/http2/http2srv.cpp')
| -rw-r--r-- | tests/auto/network/access/http2/http2srv.cpp | 217 |
1 files changed, 191 insertions, 26 deletions
diff --git a/tests/auto/network/access/http2/http2srv.cpp b/tests/auto/network/access/http2/http2srv.cpp index d0686eb01c..69e480b164 100644 --- a/tests/auto/network/access/http2/http2srv.cpp +++ b/tests/auto/network/access/http2/http2srv.cpp @@ -76,13 +76,11 @@ void fill_push_header(const HttpHeader &originalRequest, HttpHeader &promisedReq } -Http2Server::Http2Server(bool h2c, const Http2Settings &ss, const Http2Settings &cs) +Http2Server::Http2Server(bool h2c, const Http2::RawSettings &ss, const Http2::RawSettings &cs) : serverSettings(ss), + expectedClientSettings(cs), clearTextHTTP2(h2c) { - for (const auto &s : cs) - expectedClientSettings[quint16(s.identifier)] = s.value; - responseBody = "<html>\n" "<head>\n" "<title>Sample \"Hello, World\" Application</title>\n" @@ -132,8 +130,23 @@ void Http2Server::startServer() if (!clearTextHTTP2) return; #endif - if (listen()) + if (listen()) { + if (clearTextHTTP2) + authority = QStringLiteral("127.0.0.1:%1").arg(serverPort()).toLatin1(); emit serverStarted(serverPort()); + } +} + +bool Http2Server::sendProtocolSwitchReply() +{ + Q_ASSERT(socket); + Q_ASSERT(clearTextHTTP2 && upgradeProtocol); + // The first and the last HTTP/1.1 response we send: + const char response[] = "HTTP/1.1 101 Switching Protocols\r\n" + "Connection: Upgrade\r\n" + "Upgrade: h2c\r\n\r\n"; + const qint64 size = sizeof response - 1; + return socket->write(response, size) == size; } void Http2Server::sendServerSettings() @@ -144,11 +157,11 @@ void Http2Server::sendServerSettings() return; writer.start(FrameType::SETTINGS, FrameFlag::EMPTY, connectionStreamID); - for (const auto &s : serverSettings) { - writer.append(s.identifier); - writer.append(s.value); - if (s.identifier == Settings::INITIAL_WINDOW_SIZE_ID) - streamRecvWindowSize = s.value; + for (auto it = serverSettings.cbegin(); it != serverSettings.cend(); ++it) { + writer.append(it.key()); + writer.append(it.value()); + if (it.key() == Settings::INITIAL_WINDOW_SIZE_ID) + streamRecvWindowSize = it.value(); } writer.write(*socket); // Now, let's update our peer on a session recv window size: @@ -232,6 +245,7 @@ void Http2Server::incomingConnection(qintptr socketDescriptor) Q_ASSERT(set); // Stop listening: close(); + upgradeProtocol = true; QMetaObject::invokeMethod(this, "connectionEstablished", Qt::QueuedConnection); } else { @@ -269,25 +283,83 @@ void Http2Server::incomingConnection(qintptr socketDescriptor) quint32 Http2Server::clientSetting(Http2::Settings identifier, quint32 defaultValue) { - const auto it = expectedClientSettings.find(quint16(identifier)); + const auto it = expectedClientSettings.find(identifier); if (it != expectedClientSettings.end()) - return it->second; + return it.value(); return defaultValue; } +bool Http2Server::readMethodLine() +{ + // We know for sure that Qt did the right thing sending us the correct + // Request-line with CRLF at the end ... + // We're overly simplistic here but all we need to know - the method. + while (socket->bytesAvailable()) { + char c = 0; + if (socket->read(&c, 1) != 1) + return false; + if (c == '\n' && requestLine.endsWith('\r')) { + if (requestLine.startsWith("GET")) + requestType = QHttpNetworkRequest::Get; + else if (requestLine.startsWith("POST")) + requestType = QHttpNetworkRequest::Post; + else + requestType = QHttpNetworkRequest::Custom; // 'invalid'. + requestLine.clear(); + + return true; + } else { + requestLine.append(c); + } + } + + return false; +} + +bool Http2Server::verifyProtocolUpgradeRequest() +{ + Q_ASSERT(protocolUpgradeHandler.data()); + + bool connectionOk = false; + bool upgradeOk = false; + bool settingsOk = false; + + QHttpNetworkReplyPrivate *firstRequestReader = protocolUpgradeHandler->d_func(); + + // That's how we append them, that's what I expect to find: + for (const auto &header : firstRequestReader->fields) { + if (header.first == "Connection") + connectionOk = header.second.contains("Upgrade, HTTP2-Settings"); + else if (header.first == "Upgrade") + upgradeOk = header.second.contains("h2c"); + else if (header.first == "HTTP2-Settings") + settingsOk = true; + } + + return connectionOk && upgradeOk && settingsOk; +} + +void Http2Server::triggerGOAWAYEmulation() +{ + Q_ASSERT(testingGOAWAY); + auto timer = new QTimer(this); + timer->setSingleShot(true); + connect(timer, &QTimer::timeout, [this]() { + sendGOAWAY(quint32(connectionStreamID), quint32(INTERNAL_ERROR), 0); + }); + timer->start(goawayTimeout); +} + void Http2Server::connectionEstablished() { using namespace Http2; - if (testingGOAWAY) { - auto timer = new QTimer(this); - timer->setSingleShot(true); - connect(timer, &QTimer::timeout, [this]() { - sendGOAWAY(quint32(connectionStreamID), quint32(INTERNAL_ERROR), 0); - }); - timer->start(goawayTimeout); - return; - } + if (testingGOAWAY && !clearTextHTTP2) + return triggerGOAWAYEmulation(); + + // For clearTextHTTP2 we first have to respond with 'protocol switch' + // and then continue with whatever logic we have (testingGOAWAY or not), + // otherwise our 'peer' cannot process HTTP/2 frames yet. connect(socket.data(), SIGNAL(readyRead()), this, SLOT(readReady())); @@ -296,9 +368,17 @@ void Http2Server::connectionEstablished() waitingClientAck = false; waitingClientSettings = false; settingsSent = false; - // We immediately send our settings so that our client - // can use flow control correctly. - sendServerSettings(); + + if (clearTextHTTP2) { + requestLine.clear(); + // Now we have to handle HTTP/1.1 request. We use Get/Post in our test, + // so set requestType to something unsupported: + requestType = QHttpNetworkRequest::Options; + } else { + // We immediately send our settings so that our client + // can use flow control correctly. + sendServerSettings(); + } if (socket->bytesAvailable()) readReady(); @@ -328,7 +408,9 @@ void Http2Server::readReady() if (connectionError) return; - if (waitingClientPreface) { + if (upgradeProtocol) { + handleProtocolUpgrade(); + } else if (waitingClientPreface) { handleConnectionPreface(); } else { const auto status = reader.read(*socket); @@ -348,6 +430,79 @@ void Http2Server::readReady() QMetaObject::invokeMethod(this, "readReady", Qt::QueuedConnection); } +void Http2Server::handleProtocolUpgrade() +{ + using ReplyPrivate = QHttpNetworkReplyPrivate; + Q_ASSERT(upgradeProtocol); + + if (!protocolUpgradeHandler.data()) + protocolUpgradeHandler.reset(new Http11Reply); + + QHttpNetworkReplyPrivate *firstRequestReader = protocolUpgradeHandler->d_func(); + + // QHttpNetworkReplyPrivate parses ... reply. It will, unfortunately, fail + // on the first line ... which is a part of request. So we read this line + // and extract the method first. + if (firstRequestReader->state == ReplyPrivate::NothingDoneState) { + if (!readMethodLine()) + return; + + if (requestType != QHttpNetworkRequest::Get && requestType != QHttpNetworkRequest::Post) { + emit invalidRequest(1); + return; + } + + firstRequestReader->state = ReplyPrivate::ReadingHeaderState; + } + + if (!socket->bytesAvailable()) + return; + + if (firstRequestReader->state == ReplyPrivate::ReadingHeaderState) + firstRequestReader->readHeader(socket.data()); + else if (firstRequestReader->state == ReplyPrivate::ReadingDataState) + firstRequestReader->readBodyFast(socket.data(), &firstRequestReader->responseData); + + switch (firstRequestReader->state) { + case ReplyPrivate::ReadingHeaderState: + return; + case ReplyPrivate::ReadingDataState: + if (requestType == QHttpNetworkRequest::Post) + return; + break; + case ReplyPrivate::AllDoneState: + break; + default: + socket->close(); + return; + } + + if (!verifyProtocolUpgradeRequest() || !sendProtocolSwitchReply()) { + socket->close(); + return; + } + + upgradeProtocol = false; + protocolUpgradeHandler.reset(nullptr); + + if (testingGOAWAY) + return triggerGOAWAYEmulation(); + + // HTTP/1.1 'fields' we have in firstRequestRead are useless (they are not + // even allowed in HTTP/2 header). Let's pretend we have received + // valid HTTP/2 headers and can extract fields we need: + HttpHeader h2header; + h2header.push_back(HeaderField(":scheme", "http")); // we are in clearTextHTTP2 mode. + h2header.push_back(HeaderField(":authority", authority)); + activeRequests[1] = std::move(h2header); + // After protocol switch we immediately send our SETTINGS. + sendServerSettings(); + if (requestType == QHttpNetworkRequest::Get) + emit receivedRequest(1); + else + emit receivedData(1); +} + void Http2Server::handleConnectionPreface() { Q_ASSERT(waitingClientPreface); @@ -382,6 +537,16 @@ void Http2Server::handleIncomingFrame() // 7. RST_STREAM // 8. GOAWAY + if (testingGOAWAY) { + // GOAWAY test is simplistic for now: after HTTP/2 was + // negotiated (via ALPN/NPN or a protocol switch), send + // a GOAWAY frame after some (probably non-zero) timeout. + // We do not handle any frames, but timeout gives QNAM + // more time to initiate more streams and thus make the + // test more interesting/complex (on a client side). + return; + } + inboundFrame = std::move(reader.inboundFrame()); if (continuedRequest.size()) { @@ -456,7 +621,7 @@ void Http2Server::handleSETTINGS() const auto notFound = expectedClientSettings.end(); while (src != end) { - const auto id = qFromBigEndian<quint16>(src); + const auto id = Http2::Settings(qFromBigEndian<quint16>(src)); const auto value = qFromBigEndian<quint32>(src + 2); if (expectedClientSettings.find(id) == notFound || expectedClientSettings[id] != value) { |