1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
// 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[])
{
//! [Setting up HTTP server]
QCoreApplication app(argc, argv);
QHttpServer httpServer;
httpServer.route("/", []() {
return "Hello world";
});
//! [Setting up HTTP server]
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"}
}
};
});
//! [Returning assets]
httpServer.route("/assets/<arg>", [] (const QUrl &url) {
return QHttpServerResponse::fromFile(u":/assets/"_s + url.path());
});
//! [Returning assets]
//! [Using QHttpServerRequest]
httpServer.route("/remote_address", [](const QHttpServerRequest &request) {
return request.remoteAddress().toString();
});
//! [Using QHttpServerRequest]
// Basic authentication example (RFC 7617)
//! [Using basic authentication]
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 basic authentication]
//! [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()]
//! [Binding the TCP server]
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();
//! [Binding the TCP server]
#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
//! [Start handling requests]
return app.exec();
//! [Start handling requests]
}
|
