qBittorrent
infohash.h
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1 /*
2  * Bittorrent Client using Qt and libtorrent.
3  * Copyright (C) 2015, 2021 Vladimir Golovnev <glassez@yandex.ru>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  *
19  * In addition, as a special exception, the copyright holders give permission to
20  * link this program with the OpenSSL project's "OpenSSL" library (or with
21  * modified versions of it that use the same license as the "OpenSSL" library),
22  * and distribute the linked executables. You must obey the GNU General Public
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27  */
28 
29 #pragma once
30 
31 #ifdef QBT_USES_LIBTORRENT2
32 #include <libtorrent/info_hash.hpp>
33 #endif
34 
35 #include <QHash>
36 #include <QMetaType>
37 
38 #include "base/digest32.h"
39 
42 
43 namespace BitTorrent
44 {
45  class InfoHash;
46 
47  class TorrentID : public Digest32<160>
48  {
49  public:
51  using BaseType::BaseType;
52 
53  static TorrentID fromString(const QString &hashString);
54  static TorrentID fromInfoHash(const InfoHash &infoHash);
55  };
56 
57  class InfoHash
58  {
59  public:
60 #ifdef QBT_USES_LIBTORRENT2
61  using WrappedType = lt::info_hash_t;
62 #else
63  using WrappedType = lt::sha1_hash;
64 #endif
65 
66  InfoHash() = default;
67  InfoHash(const WrappedType &nativeHash);
68 
69  bool isValid() const;
70  SHA1Hash v1() const;
71  SHA256Hash v2() const;
72  TorrentID toTorrentID() const;
73 
74  operator WrappedType() const;
75 
76  private:
77  bool m_valid = false;
79  };
80 
81  uint qHash(const TorrentID &key, uint seed);
82 
83  bool operator==(const InfoHash &left, const InfoHash &right);
84  bool operator!=(const InfoHash &left, const InfoHash &right);
85 }
86 
87 Q_DECLARE_METATYPE(BitTorrent::TorrentID)
bool isValid() const
Definition: infohash.cpp:39
SHA1Hash v1() const
Definition: infohash.cpp:44
SHA256Hash v2() const
Definition: infohash.cpp:53
lt::sha1_hash WrappedType
Definition: infohash.h:63
WrappedType m_nativeHash
Definition: infohash.h:78
TorrentID toTorrentID() const
Definition: infohash.cpp:62
static TorrentID fromString(const QString &hashString)
Definition: infohash.cpp:76
static TorrentID fromInfoHash(const InfoHash &infoHash)
Definition: infohash.cpp:81
uint qHash(const TorrentID &key, uint seed)
Definition: infohash.cpp:86
bool operator==(const CategoryOptions::DownloadPathOption &left, const CategoryOptions::DownloadPathOption &right)
bool operator!=(const InfoHash &left, const InfoHash &right)
Definition: infohash.cpp:96