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/*
* This file is part of smolbote. It's copyrighted by the contributors recorded
* in the version control history of the file, available from its original
* location: https://library.iserlohn-fortress.net/aqua/smolbote.git
*
* SPDX-License-Identifier: GPL-3.0
*/
#ifndef SMOLBOTE_HOSTLIST_FILTERLIST
#define SMOLBOTE_HOSTLIST_FILTERLIST
#include <QHash>
#include <smolbote/filterinterface.hpp>
namespace Hostlist
{
void parseRule(const QString &line, QStringList &blocked, QHash<QString, QString> &redirected);
class Filterlist final : public FilterList
{
public:
Filterlist() = default;
Filterlist(const Filterlist &) = delete;
Filterlist &operator=(const Filterlist &) = delete;
~Filterlist() = default;
enum Match {
NotFound,
Block,
Redirect
};
[[nodiscard]] Match findMatch(QUrl &url) const
{
const auto domain = url.host();
if(blocked.contains(domain))
return Block;
const auto iter = redirected.find(domain);
if(iter != redirected.end()) {
url.setHost(iter.value());
return Redirect;
}
return NotFound;
}
[[nodiscard]] auto count() const
{
return blocked.size() + redirected.size();
}
[[nodiscard]] bool filter(QWebEngineUrlRequestInfo &info) const
{
auto url = info.requestUrl();
switch(findMatch(url)) {
case NotFound:
return false;
case Block:
info.block(true);
return true;
case Redirect:
info.block(false);
info.redirect(url);
return true;
}
}
[[nodiscard]] bool isUpToDate() const
{
return true;
}
bool load(QIODevice &device);
private:
QStringList blocked;
QHash<QString, QString> redirected;
};
} // namespace Hostlist
#endif // SMOLBOTE_HOSTLIST_FILTERLIST
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