1 /****************************************************************************
2 **
3 ** Copyright (C) 2015 The Qt Company Ltd.
4 ** Contact: http://www.qt.io/licensing/
5 **
6 ** This file is part of the demonstration applications of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL21$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see http://www.qt.io/terms-conditions. For further
15 ** information use the contact form at http://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 or version 3 as published by the Free
20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
22 ** following information to ensure the GNU Lesser General Public License
23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25 **
26 ** As a special exception, The Qt Company gives you certain additional
27 ** rights. These rights are described in The Qt Company LGPL Exception
28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29 **
30 ** $QT_END_LICENSE$
31 **
32 ****************************************************************************/
33
34 #include "networkaccessmanager.h"
35
36 #include "browserapplication.h"
37 #include "browsermainwindow.h"
38 #include "ui_passworddialog.h"
39 #include "ui_proxy.h"
40
41 #include <QtCore/QSettings>
42
43 #include <QtGui/QDesktopServices>
44 #include <QtWidgets/QDialog>
45 #include <QtWidgets/QMessageBox>
46 #include <QtWidgets/QStyle>
47 #include <QtGui/QTextDocument>
48
49 #include <QtNetwork/QAuthenticator>
50 #include <QtNetwork/QNetworkDiskCache>
51 #include <QtNetwork/QNetworkProxy>
52 #include <QtNetwork/QNetworkRequest>
53 #include <QtNetwork/QNetworkReply>
54 #include <QtNetwork/QSslError>
55
NetworkAccessManager(QObject * parent)56 NetworkAccessManager::NetworkAccessManager(QObject *parent)
57 : QNetworkAccessManager(parent),
58 requestFinishedCount(0), requestFinishedFromCacheCount(0), requestFinishedPipelinedCount(0),
59 requestFinishedSecureCount(0), requestFinishedDownloadBufferCount(0)
60 {
61 connect(this, SIGNAL(authenticationRequired(QNetworkReply*,QAuthenticator*)),
62 SLOT(authenticationRequired(QNetworkReply*,QAuthenticator*)));
63 connect(this, SIGNAL(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)),
64 SLOT(proxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)));
65 connect(this, SIGNAL(finished(QNetworkReply*)),
66 SLOT(requestFinished(QNetworkReply*)));
67 #ifndef QT_NO_OPENSSL
68 connect(this, SIGNAL(sslErrors(QNetworkReply*,QList<QSslError>)),
69 SLOT(sslErrors(QNetworkReply*,QList<QSslError>)));
70 #endif
71 loadSettings();
72
73 QNetworkDiskCache *diskCache = new QNetworkDiskCache(this);
74 QString location = QStandardPaths::writableLocation(QStandardPaths::CacheLocation);
75 diskCache->setCacheDirectory(location);
76 setCache(diskCache);
77 }
78
createRequest(Operation op,const QNetworkRequest & req,QIODevice * outgoingData)79 QNetworkReply* NetworkAccessManager::createRequest(Operation op, const QNetworkRequest & req, QIODevice * outgoingData)
80 {
81 QNetworkRequest request = req; // copy so we can modify
82 // this is a temporary hack until we properly use the pipelining flags from QtWebkit
83 // pipeline everything! :)
84 request.setAttribute(QNetworkRequest::HttpPipeliningAllowedAttribute, true);
85 return QNetworkAccessManager::createRequest(op, request, outgoingData);
86 }
87
requestFinished(QNetworkReply * reply)88 void NetworkAccessManager::requestFinished(QNetworkReply *reply)
89 {
90 requestFinishedCount++;
91
92 if (reply->attribute(QNetworkRequest::SourceIsFromCacheAttribute).toBool() == true)
93 requestFinishedFromCacheCount++;
94
95 if (reply->attribute(QNetworkRequest::HttpPipeliningWasUsedAttribute).toBool() == true)
96 requestFinishedPipelinedCount++;
97
98 if (reply->attribute(QNetworkRequest::ConnectionEncryptedAttribute).toBool() == true)
99 requestFinishedSecureCount++;
100
101 if (reply->attribute(QNetworkRequest::DownloadBufferAttribute).isValid() == true)
102 requestFinishedDownloadBufferCount++;
103
104 if (requestFinishedCount % 10)
105 return;
106
107 #ifdef QT_DEBUG
108 double pctCached = (double(requestFinishedFromCacheCount) * 100.0/ double(requestFinishedCount));
109 double pctPipelined = (double(requestFinishedPipelinedCount) * 100.0/ double(requestFinishedCount));
110 double pctSecure = (double(requestFinishedSecureCount) * 100.0/ double(requestFinishedCount));
111 double pctDownloadBuffer = (double(requestFinishedDownloadBufferCount) * 100.0/ double(requestFinishedCount));
112
113 qDebug("STATS [%lli requests total] [%3.2f%% from cache] [%3.2f%% pipelined] [%3.2f%% SSL/TLS] [%3.2f%% Zerocopy]", requestFinishedCount, pctCached, pctPipelined, pctSecure, pctDownloadBuffer);
114 #endif
115 }
116
loadSettings()117 void NetworkAccessManager::loadSettings()
118 {
119 QSettings settings;
120 settings.beginGroup(QLatin1String("proxy"));
121 QNetworkProxy proxy;
122 if (settings.value(QLatin1String("enabled"), false).toBool()) {
123 if (settings.value(QLatin1String("type"), 0).toInt() == 0)
124 proxy = QNetworkProxy::Socks5Proxy;
125 else
126 proxy = QNetworkProxy::HttpProxy;
127 proxy.setHostName(settings.value(QLatin1String("hostName")).toString());
128 proxy.setPort(settings.value(QLatin1String("port"), 1080).toInt());
129 proxy.setUser(settings.value(QLatin1String("userName")).toString());
130 proxy.setPassword(settings.value(QLatin1String("password")).toString());
131 }
132 setProxy(proxy);
133 }
134
authenticationRequired(QNetworkReply * reply,QAuthenticator * auth)135 void NetworkAccessManager::authenticationRequired(QNetworkReply *reply, QAuthenticator *auth)
136 {
137 BrowserMainWindow *mainWindow = BrowserApplication::instance()->mainWindow();
138
139 QDialog dialog(mainWindow);
140 dialog.setWindowFlags(Qt::Sheet);
141
142 Ui::PasswordDialog passwordDialog;
143 passwordDialog.setupUi(&dialog);
144
145 passwordDialog.iconLabel->setText(QString());
146 passwordDialog.iconLabel->setPixmap(mainWindow->style()->standardIcon(QStyle::SP_MessageBoxQuestion, 0, mainWindow).pixmap(32, 32));
147
148 QString introMessage = tr("<qt>Enter username and password for \"%1\" at %2</qt>");
149 introMessage = introMessage.arg(reply->url().toString().toHtmlEscaped()).arg(reply->url().toString().toHtmlEscaped());
150 passwordDialog.introLabel->setText(introMessage);
151 passwordDialog.introLabel->setWordWrap(true);
152
153 if (dialog.exec() == QDialog::Accepted) {
154 auth->setUser(passwordDialog.userNameLineEdit->text());
155 auth->setPassword(passwordDialog.passwordLineEdit->text());
156 }
157 }
158
proxyAuthenticationRequired(const QNetworkProxy & proxy,QAuthenticator * auth)159 void NetworkAccessManager::proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *auth)
160 {
161 BrowserMainWindow *mainWindow = BrowserApplication::instance()->mainWindow();
162
163 QDialog dialog(mainWindow);
164 dialog.setWindowFlags(Qt::Sheet);
165
166 Ui::ProxyDialog proxyDialog;
167 proxyDialog.setupUi(&dialog);
168
169 proxyDialog.iconLabel->setText(QString());
170 proxyDialog.iconLabel->setPixmap(mainWindow->style()->standardIcon(QStyle::SP_MessageBoxQuestion, 0, mainWindow).pixmap(32, 32));
171
172 QString introMessage = tr("<qt>Connect to proxy \"%1\" using:</qt>");
173 introMessage = introMessage.arg(proxy.hostName().toHtmlEscaped());
174 proxyDialog.introLabel->setText(introMessage);
175 proxyDialog.introLabel->setWordWrap(true);
176
177 if (dialog.exec() == QDialog::Accepted) {
178 auth->setUser(proxyDialog.userNameLineEdit->text());
179 auth->setPassword(proxyDialog.passwordLineEdit->text());
180 }
181 }
182
183 #ifndef QT_NO_OPENSSL
sslErrors(QNetworkReply * reply,const QList<QSslError> & error)184 void NetworkAccessManager::sslErrors(QNetworkReply *reply, const QList<QSslError> &error)
185 {
186 // check if SSL certificate has been trusted already
187 QString replyHost = reply->url().host() + QString(":%1").arg(reply->url().port());
188 if(! sslTrustedHostList.contains(replyHost)) {
189 BrowserMainWindow *mainWindow = BrowserApplication::instance()->mainWindow();
190
191 QStringList errorStrings;
192 for (int i = 0; i < error.count(); ++i)
193 errorStrings += error.at(i).errorString();
194 QString errors = errorStrings.join(QLatin1String("\n"));
195 int ret = QMessageBox::warning(mainWindow, QCoreApplication::applicationName(),
196 tr("SSL Errors:\n\n%1\n\n%2\n\n"
197 "Do you want to ignore these errors for this host?").arg(reply->url().toString()).arg(errors),
198 QMessageBox::Yes | QMessageBox::No,
199 QMessageBox::No);
200 if (ret == QMessageBox::Yes) {
201 reply->ignoreSslErrors();
202 sslTrustedHostList.append(replyHost);
203 }
204 }
205 }
206 #endif
207