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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
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#ifndef QTOXDNS_H
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#define QTOXDNS_H
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#include "src/corestructs.h"
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#include <QDnsLookup>
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#include <QObject>
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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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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
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static QString queryTox3(const tox3_server& server, const QString& record, bool silent=true); ///< Record should look like user@domain.tld, may fallback on queryTox1
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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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