/*
- * Copyright © 2022 Soren Stoutner <soren@stoutner.com>.
+ * Copyright 2022-2024 Soren Stoutner <soren@stoutner.com>.
*
- * This file is part of Privacy Browser PC <https://www.stoutner.com/privacy-browser-pc>.
+ * This file is part of Privacy Browser PC <https://www.stoutner.com/privacy-browser-pc/>.
*
* Privacy Browser PC is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
// Application headers.
#include "PrivacyWebEngineView.h"
+#include "Settings.h"
+#include "ui_HttpAuthenticationDialog.h"
#include "databases/CookiesDatabase.h"
+#include "databases/DomainsDatabase.h"
+#include "dialogs/HttpAuthenticationDialog.h"
+#include "helpers/FilterListHelper.h"
+#include "interceptors/UrlRequestInterceptor.h"
#include "windows/BrowserWindow.h"
+// Qt toolkit headers.
+#include <QContextMenuEvent>
+#include <QMenu>
+
// Construct the class.
-PrivacyWebEngineView::PrivacyWebEngineView() : QWebEngineView(nullptr) {}
+PrivacyWebEngineView::PrivacyWebEngineView(QWidget *parentWidgetPointer) : QWebEngineView(parentWidgetPointer)
+{
+ // Create an off-the-record profile (the default when no profile name is specified).
+ webEngineProfilePointer = new QWebEngineProfile(QLatin1String(""));
+
+ // Create a WebEngine page.
+ QWebEnginePage *webEnginePagePointer = new QWebEnginePage(webEngineProfilePointer);
+
+ // Set the WebEngine page.
+ setPage(webEnginePagePointer);
+
+ // Get handles for the various aspects of the WebEngine.
+ webEngineSettingsPointer = webEnginePagePointer->settings();
+
+ // Instantiate the URL request interceptor.
+ UrlRequestInterceptor *urlRequestInterceptorPointer = new UrlRequestInterceptor(this);
+
+ // Set the URL request interceptor.
+ webEngineProfilePointer->setUrlRequestInterceptor(urlRequestInterceptorPointer);
+
+ // Connect the URL request interceptor signals.
+ connect(urlRequestInterceptorPointer, SIGNAL(applyDomainSettings(const QString&)), this, SLOT(applyDomainSettingsWithoutReloading(const QString&)));
+ connect(urlRequestInterceptorPointer, SIGNAL(newMainFrameResource()), this, SLOT(clearRequestsList()));
+ connect(urlRequestInterceptorPointer, SIGNAL(displayHttpPingDialog(const QString&)), this, SLOT(displayHttpPingDialog(const QString&)));
+ connect(urlRequestInterceptorPointer, SIGNAL(requestProcessed(RequestStruct*)), this, SLOT(storeRequest(RequestStruct*)));
+
+ // Handle HTTP authentication requests.
+ connect(webEnginePagePointer, SIGNAL(authenticationRequired(const QUrl&, QAuthenticator*)), this, SLOT(handleAuthenticationRequest(const QUrl&, QAuthenticator*)));
+}
void PrivacyWebEngineView::addCookieToList(const QNetworkCookie &cookie) const
{
CookiesDatabase::updateCookie(cookie);
// Update the cookies action.
- emit updateCookiesAction(cookieListPointer->size());
+ emit numberOfCookiesChanged(cookieListPointer->size());
}
-QWebEngineView* PrivacyWebEngineView::createWindow(QWebEnginePage::WebWindowType webWindowType) {
- qDebug().noquote().nospace() << "Web window type: " << webWindowType;
+void PrivacyWebEngineView::applyDomainSettingsWithoutReloading(const QString &hostname)
+{
+ // Apply the domain settings `false` does not reload the website.
+ applyDomainSettings(hostname, false);
+}
+
+void PrivacyWebEngineView::applyDomainSettings(const QString &hostname, const bool reloadWebsite)
+{
+ // Get the record for the hostname.
+ QSqlQuery domainQuery = DomainsDatabase::getDomainQuery(hostname);
+
+ // Check if the hostname has domain settings.
+ if (domainQuery.isValid()) // The hostname has domain settings.
+ {
+ // Store the domain settings name.
+ domainSettingsName = domainQuery.value(DomainsDatabase::DOMAIN_NAME).toString();
+
+ // Set the JavaScript status.
+ switch (domainQuery.value(DomainsDatabase::JAVASCRIPT).toInt())
+ {
+ // Set the default JavaScript status.
+ case (DomainsDatabase::SYSTEM_DEFAULT):
+ {
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, Settings::javaScriptEnabled());
+
+ break;
+ }
+
+ // Enable JavaScript.
+ case (DomainsDatabase::ENABLED):
+ {
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, true);
+
+ break;
+ }
+
+ // Disable JavaScript.
+ case (DomainsDatabase::DISABLED):
+ {
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, false);
+
+ break;
+ }
+ }
+
+ // Set the local storage status.
+ switch (domainQuery.value(DomainsDatabase::LOCAL_STORAGE).toInt())
+ {
+ // Set the default local storage status.
+ case (DomainsDatabase::SYSTEM_DEFAULT):
+ {
+ localStorageEnabled = Settings::localStorageEnabled();
+
+ break;
+ }
+
+ // Enable local storage.
+ case (DomainsDatabase::ENABLED):
+ {
+ localStorageEnabled = true;
+
+ break;
+ }
+
+ // Disable local storage.
+ case (DomainsDatabase::DISABLED):
+ {
+ localStorageEnabled = false;
+
+ break;
+ }
+ }
+
+ // Set the DOM storage status.
+ switch (domainQuery.value(DomainsDatabase::DOM_STORAGE).toInt())
+ {
+ // Set the default DOM storage status. QWebEngineSettings confusingly calls this local storage.
+ case (DomainsDatabase::SYSTEM_DEFAULT):
+ {
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::LocalStorageEnabled, Settings::domStorageEnabled());
+
+ break;
+ }
+
+ // Enable DOM storage. QWebEngineSettings confusingly calls this local storage.
+ case (DomainsDatabase::ENABLED):
+ {
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::LocalStorageEnabled, true);
+
+ break;
+ }
+
+ // Disable DOM storage. QWebEngineSettings confusingly calls this local storage.
+ case (DomainsDatabase::DISABLED):
+ {
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::LocalStorageEnabled, false);
+
+ break;
+ }
+ }
+
+ // Set the user agent.
+ webEngineProfilePointer->setHttpUserAgent(UserAgentHelper::getResultingDomainSettingsUserAgent(domainQuery.value(DomainsDatabase::USER_AGENT).toString()));
+
+ // Check if a custom zoom factor is set.
+ if (domainQuery.value(DomainsDatabase::ZOOM_FACTOR).toInt())
+ {
+ // Store the current zoom factor.
+ defaultZoomFactor = domainQuery.value(DomainsDatabase::CUSTOM_ZOOM_FACTOR).toDouble();
+ }
+ else
+ {
+ // Store the current zoom factor.
+ defaultZoomFactor = Settings::zoomFactor();
+ }
+ }
+ else // The hostname does not have domain settings.
+ {
+ // Reset the domain settings name.
+ domainSettingsName = QLatin1String("");
+
+ // Set the JavaScript status.
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, Settings::javaScriptEnabled());
+
+ // Set the local storage status.
+ localStorageEnabled = Settings::localStorageEnabled();
+
+ // Set DOM storage. In QWebEngineSettings it is called Local Storage.
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::LocalStorageEnabled, Settings::domStorageEnabled());
+ // Set the user agent.
+ webEngineProfilePointer->setHttpUserAgent(UserAgentHelper::getUserAgentFromDatabaseName(Settings::userAgent()));
+
+ // Store the zoom factor.
+ defaultZoomFactor = Settings::zoomFactor();
+ }
+
+ // Set the current zoom factor.
+ setZoomFactor(defaultZoomFactor);
+
+ // Reload the website if requested.
+ if (reloadWebsite)
+ reload();
+
+ // Reset the HTTP authentication dialog counter.
+ httpAuthenticationDialogsDisplayed = 0;
+
+ // Update the UI.
+ emit updateUi(this);
+}
+
+void PrivacyWebEngineView::clearRequestsList()
+{
+ // Reset the number of blocked requests.
+ blockedRequests = 0;
+
+ // Clear the requests list.
+ requestsListPointer->clear();
+
+ // Update the blocked requests action.
+ emit(requestBlocked(blockedRequests));
+}
+
+void PrivacyWebEngineView::contextMenuEvent(QContextMenuEvent *contextMenuEvent) {
+ // Get a handle for the
+ QWebEnginePage *webEnginePagePointer = page();
+
+ // Get a handle for the menu.
+ QMenu *contextMenu = webEnginePagePointer->createStandardContextMenu();
+
+ // Get the list of context menu actions.
+ const QList<QAction *> contextMenuActionsList = contextMenu->actions();
+
+ // Add the open link in new background tab action if the context menu already contains the open link in new window action.
+ if (contextMenuActionsList.contains(webEnginePagePointer->action(QWebEnginePage::OpenLinkInNewWindow)))
+ {
+ // Move the open in new tab action to the top of the list.
+ contextMenu->insertAction(webEnginePagePointer->action(QWebEnginePage::Back), webEnginePagePointer->action(QWebEnginePage::OpenLinkInNewTab));
+
+ // Add the open link in background tab action below the open in new tab action.
+ contextMenu->insertAction(webEnginePagePointer->action(QWebEnginePage::Back), webEnginePagePointer->action(QWebEnginePage::OpenLinkInNewBackgroundTab));
+
+ // Move the open in new window action below the open in background tab action.
+ contextMenu->insertAction(webEnginePagePointer->action(QWebEnginePage::Back), webEnginePagePointer->action(QWebEnginePage::OpenLinkInNewWindow));
+
+ // Add a separator below the open in new window action.
+ contextMenu->insertSeparator(webEnginePagePointer->action(QWebEnginePage::Back));
+ }
+
+ // Display the menu using the location in the context menu event.
+ contextMenu->popup(contextMenuEvent->globalPos());
+}
+
+QWebEngineView* PrivacyWebEngineView::createWindow(QWebEnginePage::WebWindowType webWindowType) {
// Get a handle for the browser window.
BrowserWindow *browserWindowPointer = qobject_cast<BrowserWindow*>(window());
- // Create the requsted window type.
- switch (webWindowType) {
- case QWebEnginePage::WebBrowserTab: {
- // Create the new tab and return the privacy WebEngine view pointer. It will then be populated with the link from the context menu.
- return browserWindowPointer->tabWidgetPointer->addTab();
+ // Create the requested window type.
+ switch (webWindowType)
+ {
+ case QWebEnginePage::WebBrowserTab:
+ {
+ // Create the new tab and return the privacy WebEngine view pointer. `true` removes the focus from the blank URL line edit. `true` adds the new tab adjacent to the current tab.
+ // The new privacy WebEngine view pointer is returned so it can be populated with the link from the context menu.
+ return browserWindowPointer->tabWidgetPointer->addTab(true, true);
+ }
+
+ case QWebEnginePage::WebBrowserWindow:
+ {
+ // Create a new browser window.
+ BrowserWindow *newBrowserWindowPointer = new BrowserWindow();
+
+ // Show the new browser window.
+ newBrowserWindowPointer->show();
+
+ // The new privacy WebEngine view pointer is returned so it can be populated with the link from the context menu.
+ return newBrowserWindowPointer->tabWidgetPointer->loadBlankInitialWebsite();
}
- default: {
- // Return an null pointer.
+ case QWebEnginePage::WebBrowserBackgroundTab:
+ {
+ // Create the new tab and return the privacy WebEngine view pointer. `false` does not clear the URL line edit. `true` adds the new tab adjacent to the current tab.
+ // `true` creates a background tab.
+ // The new privacy WebEngine view pointer is returned so it can be populated with the link from the context menu.
+ return browserWindowPointer->tabWidgetPointer->addTab(false, true, true);
+ }
+
+ default:
+ {
+ // Return a null pointer for opening a web dialog.
return nullptr;
}
}
}
+void PrivacyWebEngineView::displayHttpPingDialog(const QString &httpPingUrl) const
+{
+ // Display the HTTP Ping blocked dialog.
+ emit displayHttpPingBlockedDialog(httpPingUrl);
+}
+
+void PrivacyWebEngineView::handleAuthenticationRequest(const QUrl &requestUrl, QAuthenticator *authenticatorPointer)
+{
+ // Only display the HTTP authentication dialog if it hasn't already been displayed three times for this URL.
+ if (httpAuthenticationDialogsDisplayed < 3) {
+ // Increment the HTTP authentication dialog display counter.
+ ++httpAuthenticationDialogsDisplayed;
+
+ // Instantiate an HTTP authentication dialog.
+ HttpAuthenticationDialog *httpAuthenticationDialogPointer = new HttpAuthenticationDialog(parentWidget(), requestUrl, authenticatorPointer);
+
+ // Display the dialog. This must be `exec()` instead of `show()` so that the website doesn't proceed before populating the authentication pointer.
+ httpAuthenticationDialogPointer->exec();
+ }
+}
+
void PrivacyWebEngineView::removeCookieFromList(const QNetworkCookie &cookie) const
{
//qDebug() << "Remove cookie: " << cookie.toRawForm();
cookieListPointer->remove(cookie);
// Update the cookies action.
- emit updateCookiesAction(cookieListPointer->size());
+ emit numberOfCookiesChanged(cookieListPointer->size());
+}
+
+void PrivacyWebEngineView::storeRequest(RequestStruct *requestStructPointer)
+{
+ // Store the request struct in the list.
+ requestsListPointer->append(requestStructPointer);
+
+ // Track blocked requests.
+ if (requestStructPointer->dispositionInt == FilterListHelper::BLOCKED)
+ {
+ // Update the blocked requests counter.
+ ++blockedRequests;
+
+ // Update the blocked requests action.
+ emit(requestBlocked(blockedRequests));
+ }
}