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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QHttpServer>
#include <QHttpServerResponse>
#if QT_CONFIG(ssl)
# include <QSslCertificate>
# include <QSslKey>
# include <QSslServer>
#endif
#include <QCoreApplication>
#include <QFile>
#include <QJsonObject>
#include <QString>
#include <QTcpServer>
using namespace Qt::StringLiterals;
static inline QString host(const QHttpServerRequest &request)
{
return QString::fromLatin1(request.value("Host"));
}
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
QHttpServer httpServer;
httpServer.route("/", []() {
return "Hello world";
});
httpServer.route("/query", [] (const QHttpServerRequest &request) {
return host(request) + u"/query/"_s;
});
httpServer.route("/query/", [] (qint32 id, const QHttpServerRequest &request) {
return u"%1/query/%2"_s.arg(host(request)).arg(id);
});
httpServer.route("/query/<arg>/log", [] (qint32 id, const QHttpServerRequest &request) {
return u"%1/query/%2/log"_s.arg(host(request)).arg(id);
});
httpServer.route("/query/<arg>/log/", [] (qint32 id, float threshold,
const QHttpServerRequest &request) {
return u"%1/query/%2/log/%3"_s.arg(host(request)).arg(id).arg(threshold);
});
httpServer.route("/user/", [] (const qint32 id) {
return u"User "_s + QString::number(id);
});
httpServer.route("/user/<arg>/detail", [] (const qint32 id) {
return u"User %1 detail"_s.arg(id);
});
httpServer.route("/user/<arg>/detail/", [] (const qint32 id, const qint32 year) {
return u"User %1 detail year - %2"_s.arg(id).arg(year);
});
httpServer.route("/json/", [] {
return QJsonObject{
{
{"key1", "1"},
{"key2", "2"},
{"key3", "3"}
}
};
});
httpServer.route("/assets/<arg>", [] (const QUrl &url) {
return QHttpServerResponse::fromFile(u":/assets/"_s + url.path());
});
httpServer.route("/remote_address", [](const QHttpServerRequest &request) {
return request.remoteAddress().toString();
});
// Basic authentication example (RFC 7617)
httpServer.route("/auth", [](const QHttpServerRequest &request) {
auto auth = request.value("authorization").simplified();
if (auth.size() > 6 && auth.first(6).toLower() == "basic ") {
auto token = auth.sliced(6);
auto userPass = QByteArray::fromBase64(token);
if (auto colon = userPass.indexOf(':'); colon > 0) {
auto userId = userPass.first(colon);
auto password = userPass.sliced(colon + 1);
if (userId == "Aladdin" && password == "open sesame")
return QHttpServerResponse("text/plain", "Success\n");
}
}
QHttpServerResponse resp("text/plain", "Authentication required\n",
QHttpServerResponse::StatusCode::Unauthorized);
auto h = resp.headers();
h.append(QHttpHeaders::WellKnownHeader::WWWAuthenticate,
R"(Basic realm="Simple example", charset="UTF-8")");
resp.setHeaders(std::move(h));
return std::move(resp);
});
//! [Using addAfterRequestHandler()]
httpServer.addAfterRequestHandler(&httpServer, [](const QHttpServerRequest &, QHttpServerResponse &resp) {
auto h = resp.headers();
h.append(QHttpHeaders::WellKnownHeader::Server, "Qt HTTP Server");
resp.setHeaders(std::move(h));
});
//! [Using addAfterRequestHandler()]
auto tcpserver = std::make_unique<QTcpServer>();
if (!tcpserver->listen() || !httpServer.bind(tcpserver.get())) {
qWarning() << QCoreApplication::translate("QHttpServerExample",
"Server failed to listen on a port.");
return -1;
}
quint16 port = tcpserver->serverPort();
tcpserver.release();
#if QT_CONFIG(ssl)
//! [HTTPS Configuration example]
QSslConfiguration conf = QSslConfiguration::defaultConfiguration();
const auto sslCertificateChain =
QSslCertificate::fromPath(QStringLiteral(":/assets/certificate.crt"));
if (sslCertificateChain.empty()) {
qWarning() << QCoreApplication::translate("QHttpServerExample",
"Couldn't retrieve SSL certificate from file.");
return -1;
}
QFile privateKeyFile(QStringLiteral(":/assets/private.key"));
if (!privateKeyFile.open(QIODevice::ReadOnly)) {
qWarning() << QCoreApplication::translate("QHttpServerExample",
"Couldn't open file for reading: %1")
.arg(privateKeyFile.errorString());
return -1;
}
conf.setLocalCertificate(sslCertificateChain.front());
conf.setPrivateKey(QSslKey(&privateKeyFile, QSsl::Rsa));
privateKeyFile.close();
auto sslserver = std::make_unique<QSslServer>();
sslserver->setSslConfiguration(conf);
if (!sslserver->listen() || !httpServer.bind(sslserver.get())) {
qWarning() << QCoreApplication::translate("QHttpServerExample",
"Server failed to listen on a port.");
return -1;
}
quint16 sslPort = sslserver->serverPort();
sslserver.release();
//! [HTTPS Configuration example]
qInfo().noquote()
<< QCoreApplication::translate("QHttpServerExample",
"Running on http://127.0.0.1:%1/ and "
"https://127.0.0.1:%2/ (Press CTRL+C to quit)")
.arg(port).arg(sslPort);
#else
qInfo().noquote()
<< QCoreApplication::translate("QHttpServerExample",
"Running on http://127.0.0.1:%1/"
"(Press CTRL+C to quit)").arg(port);
#endif
return app.exec();
}
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