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0001 /* ============================================================
0002 * Falkon - Qt web browser
0003 * Copyright (C) 2010-2018 David Rosca <nowrep@gmail.com>
0004 *
0005 * This program is free software: you can redistribute it and/or modify
0006 * it under the terms of the GNU General Public License as published by
0007 * the Free Software Foundation, either version 3 of the License, or
0008 * (at your option) any later version.
0009 *
0010 * This program is distributed in the hope that it will be useful,
0011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0013 * GNU General Public License for more details.
0014 *
0015 * You should have received a copy of the GNU General Public License
0016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
0017 * ============================================================ */
0018 #ifndef ADBLOCKMANAGER_H
0019 #define ADBLOCKMANAGER_H
0020 
0021 #include <QObject>
0022 #include <QStringList>
0023 #include <QPointer>
0024 #include <QMutex>
0025 #include <QUrl>
0026 #include <QWebEngineUrlRequestInfo>
0027 
0028 #include "qzcommon.h"
0029 
0030 #define ADBLOCK_EASYLIST_URL QSL("https://easylist-downloads.adblockplus.org/easylist.txt")
0031 #define ADBLOCK_NOCOINLIST_URL QSL("https://raw.githubusercontent.com/hoshsadiq/adblock-nocoin-list/master/nocoin.txt")
0032 
0033 class AdBlockRule;
0034 class AdBlockDialog;
0035 class AdBlockMatcher;
0036 class AdBlockCustomList;
0037 class AdBlockSubscription;
0038 class AdBlockUrlInterceptor;
0039 
0040 struct AdBlockedRequest
0041 {
0042     QUrl requestUrl;
0043     QUrl firstPartyUrl;
0044     QByteArray requestMethod;
0045     QWebEngineUrlRequestInfo::ResourceType resourceType;
0046     QWebEngineUrlRequestInfo::NavigationType navigationType;
0047     QString rule;
0048 };
0049 Q_DECLARE_METATYPE(AdBlockedRequest)
0050 
0051 class FALKON_EXPORT AdBlockManager : public QObject
0052 {
0053     Q_OBJECT
0054 
0055 public:
0056     AdBlockManager(QObject* parent = nullptr);
0057     ~AdBlockManager();
0058 
0059     void load();
0060     void save();
0061 
0062     bool isEnabled() const;
0063     bool canRunOnScheme(const QString &scheme) const;
0064     bool canBeBlocked(const QUrl &url) const;
0065 
0066     QString elementHidingRules(const QUrl &url) const;
0067     QString elementHidingRulesForDomain(const QUrl &url) const;
0068 
0069     AdBlockSubscription* subscriptionByName(const QString &name) const;
0070     QList<AdBlockSubscription*> subscriptions() const;
0071 
0072     bool block(QWebEngineUrlRequestInfo &request, QString &ruleFilter, QString &ruleSubscription);
0073 
0074     QVector<AdBlockedRequest> blockedRequestsForUrl(const QUrl &url) const;
0075     void clearBlockedRequestsForUrl(const QUrl &url);
0076 
0077     QStringList disabledRules() const;
0078     void addDisabledRule(const QString &filter);
0079     void removeDisabledRule(const QString &filter);
0080 
0081     bool addSubscriptionFromUrl(const QUrl &url);
0082 
0083     AdBlockSubscription* addSubscription(const QString &title, const QString &url);
0084     bool removeSubscription(AdBlockSubscription* subscription);
0085 
0086     AdBlockCustomList* customList() const;
0087 
0088     static AdBlockManager* instance();
0089 
0090 Q_SIGNALS:
0091     void enabledChanged(bool enabled);
0092     void blockedRequestsChanged(const QUrl &url);
0093 
0094 public Q_SLOTS:
0095     void setEnabled(bool enabled);
0096     void showRule();
0097 
0098     void updateMatcher();
0099     void updateAllSubscriptions();
0100 
0101     AdBlockDialog *showDialog(QWidget *parent = nullptr);
0102 
0103 private:
0104     bool m_loaded;
0105     bool m_enabled;
0106 
0107     QList<AdBlockSubscription*> m_subscriptions;
0108     AdBlockMatcher* m_matcher;
0109     QStringList m_disabledRules;
0110 
0111     AdBlockUrlInterceptor *m_interceptor;
0112     QPointer<AdBlockDialog> m_adBlockDialog;
0113     QMutex m_mutex;
0114     QHash<QUrl, QVector<AdBlockedRequest>> m_blockedRequests;
0115 };
0116 
0117 #endif // ADBLOCKMANAGER_H
0118