-/*
- * Copyright © 2022 Soren Stoutner <soren@stoutner.com>.
+/* SPDX-License-Identifier: GPL-3.0-or-later
+ * SPDX-FileCopyrightText: 2022-2025 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
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
*
- * Privacy Browser PC 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 General Public License for more details.
+ * This program 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 General Public License for more
+ * details.
*
- * You should have received a copy of the GNU General Public License
- * along with Privacy Browser PC. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
*/
// Application headers.
#include "UrlRequestInterceptor.h"
+#include "GlobalVariables.h"
+#include "helpers/FilterListHelper.h"
+#include "structs/RequestStruct.h"
-// The default constructor.
-UrlRequestInterceptor::UrlRequestInterceptor(QObject *parentObjectPointer) : QWebEngineUrlRequestInterceptor(parentObjectPointer) {}
+// KDE Framework headers.
+#include <KLocalizedString>
+
+// Construct the class.
+UrlRequestInterceptor::UrlRequestInterceptor(PrivacyWebEngineView *privacyWebEngineViewPointer) :
+ QWebEngineUrlRequestInterceptor(privacyWebEngineViewPointer), privacyWebEngineViewPointer(privacyWebEngineViewPointer) {}
void UrlRequestInterceptor::interceptRequest(QWebEngineUrlRequestInfo &urlRequestInfo)
{
- // Handle the request according to the navigation type.
- switch (urlRequestInfo.navigationType())
+ // Clear the requests list if a main frame resource is being loaded.
+ if (urlRequestInfo.resourceType() == QWebEngineUrlRequestInfo::ResourceTypeMainFrame)
+ Q_EMIT newMainFrameResource();
+
+ // Create a requests struct.
+ RequestStruct *requestStructPointer = new RequestStruct;
+
+ // Store the basic request information.
+ requestStructPointer->navigationTypeInt = urlRequestInfo.navigationType();
+ requestStructPointer->requestMethodString = QLatin1String(urlRequestInfo.requestMethod());
+ requestStructPointer->resourceTypeInt = urlRequestInfo.resourceType();
+ requestStructPointer->urlString = urlRequestInfo.requestUrl().toString();
+ requestStructPointer->webPageUrlString = urlRequestInfo.firstPartyUrl().toString();
+
+ // Create a continue processing flag.
+ bool continueProcessing = true;
+
+ // Block certain resource types.
+ switch (urlRequestInfo.resourceType())
{
- case QWebEngineUrlRequestInfo::NavigationTypeLink:
- case QWebEngineUrlRequestInfo::NavigationTypeTyped:
- case QWebEngineUrlRequestInfo::NavigationTypeBackForward:
- case QWebEngineUrlRequestInfo::NavigationTypeRedirect:
+ case QWebEngineUrlRequestInfo::ResourceTypePrefetch:
{
- // Only check the hosts if the main URL is changing.
- if (urlRequestInfo.resourceType() == QWebEngineUrlRequestInfo::ResourceTypeMainFrame)
- {
- // Get the hosts.
- QString requestingHost = urlRequestInfo.initiator().host();
- QString requestedHost = urlRequestInfo.requestUrl().host();
+ // Block the request.
+ urlRequestInfo.block(true);
- // Reapply the domain settings if the host is changing.
- if (requestingHost != requestedHost)
- {
- emit applyDomainSettings(requestedHost);
- }
- }
+ // Mark the request struct as blocked.
+ requestStructPointer->dispositionInt = FilterListHelper::BLOCKED;
+
+ // Describe the prefetch request as blocked by the default behavior.
+ requestStructPointer->filterListTitle = i18nc("Default prefetch blocking", "Default blocking of all prefetch requests.");
+
+ // Set the continue processing flag.
+ continueProcessing = false;
break;
}
- default:
- // Do nothing.
+ case QWebEngineUrlRequestInfo::ResourceTypeCspReport:
+ {
+ // Block the request.
+ urlRequestInfo.block(true);
+
+ // Mark the request struct as blocked.
+ requestStructPointer->dispositionInt = FilterListHelper::BLOCKED;
+
+ // Describe the CSP request as blocked by the default behavior.
+ requestStructPointer->filterListTitle = i18nc("Default CSP blocking", "Default blocking of all CSP requests.");
+
+ // Set the continue processing flag.
+ continueProcessing = false;
+
break;
- }
+ }
- // Handle the request according to the resource type.
- switch (urlRequestInfo.resourceType())
- {
- // A naughty HTTP ping request.
- case QWebEngineUrlRequestInfo::ResourceTypePing:
+ case QWebEngineUrlRequestInfo::ResourceTypeNavigationPreloadMainFrame:
+ case QWebEngineUrlRequestInfo::ResourceTypeNavigationPreloadSubFrame:
{
- // Block HTTP ping requests.
+ // Block the request.
urlRequestInfo.block(true);
+ // Mark the request struct as blocked.
+ requestStructPointer->dispositionInt = FilterListHelper::BLOCKED;
+
+ // Describe the preload request as blocked by the default behavior.
+ requestStructPointer->filterListTitle = i18nc("Default preload blocking", "Default blocking of all preload requests.");
+
+ // Set the continue processing flag.
+ continueProcessing = false;
+
break;
}
break;
}
}
+
+ // Check the filter lists if it hasn't already been handled.
+ if (continueProcessing)
+ continueProcessing = globalFilterListHelperPointer->checkFilterLists(privacyWebEngineViewPointer, urlRequestInfo, requestStructPointer);
+
+ // Further process the request if it hasn't already been handled.
+ if (continueProcessing) {
+ // Handle the request according to the resource type.
+ switch (urlRequestInfo.resourceType())
+ {
+ // A naughty HTTP ping request.
+ case QWebEngineUrlRequestInfo::ResourceTypePing:
+ {
+ // Block the HTTP ping request.
+ urlRequestInfo.block(true);
+
+ // Mark the request struct as blocked.
+ requestStructPointer->dispositionInt = FilterListHelper::BLOCKED;
+
+ // Describe the ping as blocked by the default behavior.
+ requestStructPointer->filterListTitle = i18nc("Default HTTP ping blocking", "Default blocking of all HTTP ping requests.");
+
+ // Set the continue processing flag.
+ continueProcessing = false;
+
+ // Display the HTTP Ping blocked dialog.
+ Q_EMIT displayHttpPingDialog(urlRequestInfo.requestUrl().toString());
+
+ break;
+ }
+
+ default:
+ {
+ // Do nothing.
+ break;
+ }
+ }
+ }
+
+ // Handle the request according to the navigation type if it hasn't already been handled.
+ if (continueProcessing)
+ {
+ switch (urlRequestInfo.navigationType())
+ {
+ case QWebEngineUrlRequestInfo::NavigationTypeLink:
+ case QWebEngineUrlRequestInfo::NavigationTypeTyped:
+ case QWebEngineUrlRequestInfo::NavigationTypeFormSubmitted:
+ case QWebEngineUrlRequestInfo::NavigationTypeRedirect:
+ case QWebEngineUrlRequestInfo::NavigationTypeOther:
+ {
+ // Only check the hosts if the main URL is changing.
+ if (urlRequestInfo.resourceType() == QWebEngineUrlRequestInfo::ResourceTypeMainFrame)
+ {
+ // Get the request URL.
+ QUrl requestUrl = urlRequestInfo.requestUrl();
+
+ // Reapply the domain settings if the host is changing.
+ if (privacyWebEngineViewPointer->currentHost != requestUrl.host())
+ {
+ // Apply domain settings, after which the request will be loaded. `false` indicates that history is not being navigated.
+ Q_EMIT applyDomainSettings(requestUrl, false);
+
+ // Block this copy of the request.
+ urlRequestInfo.block(true);
+ }
+ }
+
+ break;
+ }
+
+ case QWebEngineUrlRequestInfo::NavigationTypeBackForward:
+ {
+ // Only check the hosts if the main URL is changing.
+ if (urlRequestInfo.resourceType() == QWebEngineUrlRequestInfo::ResourceTypeMainFrame)
+ {
+ // Get the request URL.
+ QUrl requestUrl = urlRequestInfo.requestUrl();
+
+ // Reapply the domain settings if the host is changing.
+ if (privacyWebEngineViewPointer->currentHost != requestUrl.host())
+ {
+ // Apply domain settings, after which the request will be loaded. `true` indicates that history is being navigated.
+ Q_EMIT applyDomainSettings(requestUrl, true);
+ }
+ }
+
+ break;
+ }
+
+ default:
+ {
+ // Do nothing.
+ break;
+ }
+ }
+ }
+
+ // Send the request struct to the privacy WebEngine view.
+ Q_EMIT requestProcessed(requestStructPointer);
}