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/*
* Copyright (C) 2010-2015 Jeremy Lainé
* Contact: https://github.com/jlaine/qdjango
*
* This file is part of the QDjango Library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
#include <QLocalSocket>
#include <QTcpSocket>
#include <QtTest>
#include <QUrl>
#include "QDjangoFastCgiServer.h"
#include "QDjangoFastCgiServer_p.h"
#include "QDjangoHttpController.h"
#include "QDjangoHttpRequest.h"
#include "QDjangoHttpResponse.h"
#include "QDjangoFastCgiServer.h"
#include "QDjangoUrlResolver.h"
#define ERROR_DATA QByteArray("Status: 500 Internal Server Error\r\n" \
"Content-Length: 107\r\n" \
"Content-Type: text/html; charset=utf-8\r\n" \
"\r\n" \
"<html><head><title>Error</title></head><body><p>An internal server error was encountered.</p></body></html>")
#define NOT_FOUND_DATA QByteArray("Status: 404 Not Found\r\n" \
"Content-Length: 107\r\n" \
"Content-Type: text/html; charset=utf-8\r\n" \
"\r\n" \
"<html><head><title>Error</title></head><body><p>The document you requested was not found.</p></body></html>")
#define POST_DATA QByteArray("Status: 200 OK\r\n" \
"Content-Length: 27\r\n" \
"Content-Type: text/plain\r\n" \
"\r\n" \
"method=POST|path=/|post=bar")
#define ROOT_DATA QByteArray("Status: 200 OK\r\n" \
"Content-Length: 17\r\n" \
"Content-Type: text/plain\r\n" \
"\r\n" \
"method=GET|path=/")
#define QUERY_STRING_DATA QByteArray("Status: 200 OK\r\n" \
"Content-Length: 25\r\n" \
"Content-Type: text/plain\r\n" \
"\r\n" \
"method=GET|path=/|get=bar")
static QByteArray encodeSize(quint32 size)
{
QByteArray ba;
if (size < 128) {
ba.append(char(size & 0x7f));
} else {
ba.append(char((size >> 24) | 0x80));
ba.append(char((size >> 16) & 0xff));
ba.append(char((size >> 8) & 0xff));
ba.append(char(size & 0xff));
}
return ba;
}
class QDjangoFastCgiReply : public QObject
{
Q_OBJECT
public:
QDjangoFastCgiReply(QObject *parent = 0)
: QObject(parent) {};
QByteArray data;
signals:
void finished();
};
class QDjangoFastCgiClient : public QObject
{
Q_OBJECT
public:
QDjangoFastCgiClient(QIODevice *socket);
QDjangoFastCgiReply* request(const QString &method, const QUrl &url, const QByteArray &data);
private slots:
void _q_readyRead();
private:
QIODevice *m_device;
QMap<quint16, QDjangoFastCgiReply*> m_replies;
quint16 m_requestId;
};
QDjangoFastCgiClient::QDjangoFastCgiClient(QIODevice *socket)
: m_device(socket)
, m_requestId(0)
{
connect(socket, SIGNAL(readyRead()), this, SLOT(_q_readyRead()));
};
QDjangoFastCgiReply* QDjangoFastCgiClient::request(const QString &method, const QUrl &url, const QByteArray &data)
{
const quint16 requestId = ++m_requestId;
QDjangoFastCgiReply *reply = new QDjangoFastCgiReply(this);
m_replies[requestId] = reply;
QByteArray headerBuffer(FCGI_HEADER_LEN, '\0');
FCGI_Header *header = (FCGI_Header*)headerBuffer.data();
QByteArray ba;
// BEGIN REQUEST
ba = QByteArray("\x01\x00\x00\x00\x00\x00\x00\x00", 8);
header->version = 1;
QDjangoFastCgiHeader::setRequestId(header, requestId);
header->type = FCGI_BEGIN_REQUEST;
QDjangoFastCgiHeader::setContentLength(header, ba.size());
m_device->write(headerBuffer + ba);
QMap<QByteArray, QByteArray> params;
params["PATH_INFO"] = url.path().toUtf8();
#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
params["QUERY_STRING"] = url.query().toUtf8();
#else
params["QUERY_STRING"] = url.encodedQuery();
#endif
params["REQUEST_URI"] = url.toString().toUtf8();
params["REQUEST_METHOD"] = method.toUtf8();
params["aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"] = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
ba.clear();
foreach (const QByteArray &key, params.keys()) {
const QByteArray value = params.value(key);
ba.append(encodeSize(key.size()));
ba.append(encodeSize(value.size()));
ba.append(key);
ba.append(value);
}
// FAST CGI PARAMS
header->type = FCGI_PARAMS;
QDjangoFastCgiHeader::setContentLength(header, ba.size());
m_device->write(headerBuffer + ba);
// STDIN
if (data.size() > 0) {
header->type = FCGI_STDIN;
QDjangoFastCgiHeader::setContentLength(header, data.size());
m_device->write(headerBuffer + data);
}
header->type = FCGI_STDIN;
QDjangoFastCgiHeader::setContentLength(header, 0);
m_device->write(headerBuffer);
return reply;
}
void QDjangoFastCgiClient::_q_readyRead()
{
char inputBuffer[FCGI_RECORD_SIZE];
FCGI_Header *header = (FCGI_Header*)inputBuffer;
while (m_device->bytesAvailable()) {
if (m_device->read(inputBuffer, FCGI_HEADER_LEN) != FCGI_HEADER_LEN) {
qWarning("header read fail");
return;
}
const quint16 contentLength = QDjangoFastCgiHeader::contentLength(header);
const quint16 requestId = QDjangoFastCgiHeader::requestId(header);
const quint16 bodyLength = contentLength + header->paddingLength;
if (m_device->read(inputBuffer + FCGI_HEADER_LEN, bodyLength) != bodyLength) {
qWarning("body read fail");
return;
}
if (!m_replies.contains(requestId)) {
qWarning() << "unknown request" << requestId;
return;
}
if (header->type == FCGI_STDOUT) {
const QByteArray data = QByteArray(inputBuffer + FCGI_HEADER_LEN, contentLength);
m_replies[requestId]->data += data;
} else if (header->type == FCGI_END_REQUEST) {
QMetaObject::invokeMethod(m_replies[requestId], "finished");
}
}
}
/** Test QDjangoFastCgiServer class.
*/
class tst_QDjangoFastCgiServer : public QObject
{
Q_OBJECT
private slots:
void cleanup();
void init();
void testAbort();
void testBadBegin();
void testBadRequestId();
void testBadRequestType();
void testBadVersion();
void testLocal_data();
void testLocal();
void testTcp_data();
void testTcp();
QDjangoHttpResponse* _q_index(const QDjangoHttpRequest &request);
QDjangoHttpResponse* _q_error(const QDjangoHttpRequest &request);
private:
QDjangoFastCgiServer *server;
};
void tst_QDjangoFastCgiServer::cleanup()
{
server->close();
delete server;
}
void tst_QDjangoFastCgiServer::init()
{
server = new QDjangoFastCgiServer;
server->urls()->set(QRegExp(QLatin1String(QLatin1String("^$"))), this, "_q_index");
server->urls()->set(QRegExp(QLatin1String("^internal-server-error$")), this, "_q_error");
}
void tst_QDjangoFastCgiServer::testAbort()
{
const QString name("/tmp/qdjangofastcgi.socket");
QCOMPARE(server->listen(name), true);
QLocalSocket socket;
socket.connectToServer(name);
QByteArray headerBuffer(FCGI_HEADER_LEN, '\0');
FCGI_Header *header = (FCGI_Header*)headerBuffer.data();
header->version = 1;
QDjangoFastCgiHeader::setRequestId(header, 1);
// check socket is connected
QCOMPARE(socket.state(), QLocalSocket::ConnectedState);
// BEGIN REQUEST
const QByteArray ba("\x01\x00\x00\x00\x00\x00\x00\x00", 8);
header->type = FCGI_BEGIN_REQUEST;
QDjangoFastCgiHeader::setContentLength(header, ba.size());
socket.write(headerBuffer + ba);
// ABORT REQUEST
header->type = FCGI_ABORT_REQUEST;
QDjangoFastCgiHeader::setContentLength(header, 0);
socket.write(headerBuffer);
// wait for connection to close
QEventLoop loop;
QObject::connect(&socket, SIGNAL(disconnected()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QLocalSocket::UnconnectedState);
}
void tst_QDjangoFastCgiServer::testBadBegin()
{
const QString name("/tmp/qdjangofastcgi.socket");
QCOMPARE(server->listen(name), true);
QLocalSocket socket;
socket.connectToServer(name);
QByteArray headerBuffer(FCGI_HEADER_LEN, '\0');
FCGI_Header *header = (FCGI_Header*)headerBuffer.data();
header->version = 1;
QDjangoFastCgiHeader::setRequestId(header, 1);
// check socket is connected
QCOMPARE(socket.state(), QLocalSocket::ConnectedState);
QTest::ignoreMessage(QtWarningMsg, "Received new FastCGI request 2 while already handling request 1");
// BEGIN REQUEST
const QByteArray ba("\x01\x00\x00\x00\x00\x00\x00\x00", 8);
header->type = FCGI_BEGIN_REQUEST;
QDjangoFastCgiHeader::setContentLength(header, ba.size());
socket.write(headerBuffer + ba);
// BEGIN REQUEST again
QDjangoFastCgiHeader::setRequestId(header, 2);
QDjangoFastCgiHeader::setContentLength(header, ba.size());
socket.write(headerBuffer + ba);
// wait for connection to close
QEventLoop loop;
QObject::connect(&socket, SIGNAL(disconnected()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QLocalSocket::UnconnectedState);
}
void tst_QDjangoFastCgiServer::testBadRequestId()
{
const QString name("/tmp/qdjangofastcgi.socket");
QCOMPARE(server->listen(name), true);
QLocalSocket socket;
socket.connectToServer(name);
QByteArray headerBuffer(FCGI_HEADER_LEN, '\0');
FCGI_Header *header = (FCGI_Header*)headerBuffer.data();
header->version = 1;
QDjangoFastCgiHeader::setRequestId(header, 1);
// check socket is connected
QCOMPARE(socket.state(), QLocalSocket::ConnectedState);
QTest::ignoreMessage(QtWarningMsg, "Received FastCGI record for an invalid request 1");
// ABORT REQUEST
header->type = FCGI_ABORT_REQUEST;
QDjangoFastCgiHeader::setContentLength(header, 0);
socket.write(headerBuffer);
// wait for connection to close
QEventLoop loop;
QObject::connect(&socket, SIGNAL(disconnected()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QLocalSocket::UnconnectedState);
}
void tst_QDjangoFastCgiServer::testBadRequestType()
{
const QString name("/tmp/qdjangofastcgi.socket");
QCOMPARE(server->listen(name), true);
QLocalSocket socket;
socket.connectToServer(name);
QByteArray headerBuffer(FCGI_HEADER_LEN, '\0');
FCGI_Header *header = (FCGI_Header*)headerBuffer.data();
header->version = 1;
QDjangoFastCgiHeader::setRequestId(header, 1);
// check socket is connected
QCOMPARE(socket.state(), QLocalSocket::ConnectedState);
QTest::ignoreMessage(QtWarningMsg, "Received FastCGI record with an invalid type 7");
// BEGIN REQUEST
const QByteArray ba("\x01\x00\x00\x00\x00\x00\x00\x00", 8);
header->type = FCGI_BEGIN_REQUEST;
QDjangoFastCgiHeader::setContentLength(header, ba.size());
socket.write(headerBuffer + ba);
// bogus request type
header->type = 7;
QDjangoFastCgiHeader::setContentLength(header, 0);
socket.write(headerBuffer);
// wait for connection to close
QEventLoop loop;
QObject::connect(&socket, SIGNAL(disconnected()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QLocalSocket::UnconnectedState);
}
void tst_QDjangoFastCgiServer::testBadVersion()
{
const QString name("/tmp/qdjangofastcgi.socket");
QCOMPARE(server->listen(name), true);
QLocalSocket socket;
socket.connectToServer(name);
QByteArray headerBuffer(FCGI_HEADER_LEN, '\0');
FCGI_Header *header = (FCGI_Header*)headerBuffer.data();
header->version = 2;
QDjangoFastCgiHeader::setRequestId(header, 1);
// check socket is connected
QCOMPARE(socket.state(), QLocalSocket::ConnectedState);
QTest::ignoreMessage(QtWarningMsg, "Received FastCGI record with an invalid version 2");
// BEGIN REQUEST
const QByteArray ba("\x01\x00\x00\x00\x00\x00\x00\x00", 8);
header->type = FCGI_BEGIN_REQUEST;
QDjangoFastCgiHeader::setContentLength(header, ba.size());
socket.write(headerBuffer + ba);
// wait for connection to close
QEventLoop loop;
QObject::connect(&socket, SIGNAL(disconnected()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QLocalSocket::UnconnectedState);
}
void tst_QDjangoFastCgiServer::testLocal_data()
{
QTest::addColumn<QString>("method");
QTest::addColumn<QString>("path");
QTest::addColumn<QByteArray>("data");
QTest::addColumn<QByteArray>("response");
QTest::newRow("root") << "GET" << "/" << QByteArray() << ROOT_DATA;
QTest::newRow("query-string") << "GET" << "/?message=bar" << QByteArray() << QUERY_STRING_DATA;
QTest::newRow("not-found") << "GET" << "/not-found" << QByteArray() << NOT_FOUND_DATA;
QTest::newRow("internal-server-error") << "GET" << "/internal-server-error" << QByteArray() << ERROR_DATA;
QTest::newRow("post") << "POST" << "/" << QByteArray("message=bar") << POST_DATA;
}
void tst_QDjangoFastCgiServer::testLocal()
{
QFETCH(QString, method);
QFETCH(QString, path);
QFETCH(QByteArray, data);
QFETCH(QByteArray, response);
const QString name("/tmp/qdjangofastcgi.socket");
QCOMPARE(server->listen(name), true);
QLocalSocket socket;
socket.connectToServer(name);
QEventLoop loop;
QDjangoFastCgiClient client(&socket);
// check socket is connected
QCOMPARE(socket.state(), QLocalSocket::ConnectedState);
// wait for reply
QDjangoFastCgiReply *reply = client.request(method, path, data);
QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QLocalSocket::ConnectedState);
QCOMPARE(reply->data, response);
// wait for connection to close
QObject::connect(&socket, SIGNAL(disconnected()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QLocalSocket::UnconnectedState);
}
void tst_QDjangoFastCgiServer::testTcp_data()
{
QTest::addColumn<QString>("method");
QTest::addColumn<QString>("path");
QTest::addColumn<QByteArray>("data");
QTest::addColumn<QByteArray>("response");
QTest::newRow("root") << "GET" << "/" << QByteArray() << ROOT_DATA;
QTest::newRow("query-string") << "GET" << "/?message=bar" << QByteArray() << QUERY_STRING_DATA;
QTest::newRow("not-found") << "GET" << "/not-found" << QByteArray() << NOT_FOUND_DATA;
QTest::newRow("internal-server-error") << "GET" << "/internal-server-error" << QByteArray() << ERROR_DATA;
QTest::newRow("post") << "POST" << "/" << QByteArray("message=bar") << POST_DATA;
}
void tst_QDjangoFastCgiServer::testTcp()
{
QFETCH(QString, method);
QFETCH(QString, path);
QFETCH(QByteArray, data);
QFETCH(QByteArray, response);
QCOMPARE(server->listen(QHostAddress::LocalHost, 8123), true);
QTcpSocket socket;
socket.connectToHost("127.0.0.1", 8123);
QEventLoop loop;
QDjangoFastCgiClient client(&socket);
// wait for socket to connect
QObject::connect(&socket, SIGNAL(connected()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QAbstractSocket::ConnectedState);
// wait for reply
QDjangoFastCgiReply *reply = client.request(method, path, data);
QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QAbstractSocket::ConnectedState);
QCOMPARE(reply->data, response);
// wait for connection to close
QObject::connect(&socket, SIGNAL(disconnected()), &loop, SLOT(quit()));
loop.exec();
QCOMPARE(socket.state(), QAbstractSocket::UnconnectedState);
}
QDjangoHttpResponse *tst_QDjangoFastCgiServer::_q_index(const QDjangoHttpRequest &request)
{
QDjangoHttpResponse *response = new QDjangoHttpResponse;
response->setHeader(QLatin1String("Content-Type"), QLatin1String("text/plain"));
QString output = QLatin1String("method=") + request.method();
output += QLatin1String("|path=") + request.path();
const QString getValue = request.get(QLatin1String("message"));
if (!getValue.isEmpty())
output += QLatin1String("|get=") + getValue;
const QString postValue = request.post(QLatin1String("message"));
if (!postValue.isEmpty())
output += QLatin1String("|post=") + postValue;
response->setBody(output.toUtf8());
return response;
}
QDjangoHttpResponse *tst_QDjangoFastCgiServer::_q_error(const QDjangoHttpRequest &request)
{
Q_UNUSED(request);
return QDjangoHttpController::serveInternalServerError(request);
}
QTEST_MAIN(tst_QDjangoFastCgiServer)
#include "tst_qdjangofastcgiserver.moc"
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