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The qTox Project is not associated with the Tox Project in any way, with the exception of "qTox" using the Tox Projet's "toxcore" collection of libraries. In particular, the Tox Projet does not own copyright over the qTox Project's "qTox" collection of software, source code, and assets. The qTox Project's assets are under the sole copyright of the qTox contributors, and no partiular rights are granted to the Tox Project.
72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/*
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Copyright © 2014-2015 by The qTox Project
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox is libre software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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qTox is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QTOXDNS_H
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#define QTOXDNS_H
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#include "src/core/corestructs.h"
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#include "src/core/toxid.h"
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#include <QDnsLookup>
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#include <QObject>
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/// Tox1 is not encrypted, it's unsafe
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#define TOX1_SILENT_FALLBACK 0
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/// That said if the user insists ...
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#define TOX1_ASK_FALLBACK 1
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/// Handles tox1 and tox3 DNS queries
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class ToxDNS : public QObject
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{
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Q_OBJECT
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public:
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struct tox3_server ///< Represents a tox3 server
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{
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tox3_server()=default;
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tox3_server(const char* _name, uint8_t _pk[32]):name{_name},pubkey{_pk}{}
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const char* name; ///< Hostname of the server, e.g. toxme.se
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uint8_t* pubkey; ///< Public key of the tox3 server, usually 256bit long
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};
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public:
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/// Tries to map a text string to a ToxId struct, will query Tox DNS records if necessary
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static ToxId resolveToxAddress(const QString& address, bool silent=true);
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static QString queryTox1(const QString& record, bool silent=true); ///< Record should look like user@domain.tld. Do *NOT* use tox1 without a good reason, it's unsafe.
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static QString queryTox3(const tox3_server& server, const QString& record, bool silent=true); ///< Record should look like user@domain.tld, will *NOT* fallback on queryTox1 anymore
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protected:
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static void showWarning(const QString& message);
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ToxDNS()=default;
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private:
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/// Try to fetch the first entry of the given TXT record
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/// Returns an empty object on failure. May block for up to ~3s
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/// May display message boxes on error if silent if false
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static QByteArray fetchLastTextRecord(const QString& record, bool silent=true);
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public:
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static const tox3_server pinnedServers[2];
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};
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#endif // QTOXDNS_H
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