2011-04-27 10:05:43 +00:00
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/****************************************************************************
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**
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2016-01-22 12:24:00 +00:00
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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2011-04-27 10:05:43 +00:00
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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2016-01-22 12:24:00 +00:00
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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2011-04-27 10:05:43 +00:00
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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2015-02-13 11:15:33 +00:00
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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2012-09-19 12:28:29 +00:00
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**
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2011-04-27 10:05:43 +00:00
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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2012-01-24 06:17:24 +00:00
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**
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2011-04-27 10:05:43 +00:00
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "bencodeparser.h"
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#include "metainfo.h"
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#include <QDateTime>
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#include <QMetaType>
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#include <QString>
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MetaInfo::MetaInfo()
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{
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clear();
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}
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void MetaInfo::clear()
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{
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errString = "Unknown error";
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content.clear();
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infoData.clear();
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metaInfoMultiFiles.clear();
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metaInfoAnnounce.clear();
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metaInfoAnnounceList.clear();
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metaInfoCreationDate = QDateTime();
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metaInfoComment.clear();
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metaInfoCreatedBy.clear();
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metaInfoName.clear();
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metaInfoPieceLength = 0;
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metaInfoSha1Sums.clear();
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}
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bool MetaInfo::parse(const QByteArray &data)
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{
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clear();
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content = data;
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BencodeParser parser;
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if (!parser.parse(content)) {
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errString = parser.errorString();
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return false;
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}
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infoData = parser.infoSection();
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QMap<QByteArray, QVariant> dict = parser.dictionary();
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if (!dict.contains("info"))
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return false;
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QMap<QByteArray, QVariant> info = qvariant_cast<Dictionary>(dict.value("info"));
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if (info.contains("files")) {
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metaInfoFileForm = MultiFileForm;
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QList<QVariant> files = info.value("files").toList();
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for (int i = 0; i < files.size(); ++i) {
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QMap<QByteArray, QVariant> file = qvariant_cast<Dictionary>(files.at(i));
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QList<QVariant> pathElements = file.value("path").toList();
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QByteArray path;
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foreach (QVariant p, pathElements) {
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if (!path.isEmpty())
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2015-10-13 07:06:58 +00:00
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path += '/';
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2011-04-27 10:05:43 +00:00
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path += p.toByteArray();
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}
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MetaInfoMultiFile multiFile;
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multiFile.length = file.value("length").toLongLong();
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multiFile.path = QString::fromUtf8(path);
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multiFile.md5sum = file.value("md5sum").toByteArray();
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metaInfoMultiFiles << multiFile;
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}
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metaInfoName = QString::fromUtf8(info.value("name").toByteArray());
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metaInfoPieceLength = info.value("piece length").toInt();
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QByteArray pieces = info.value("pieces").toByteArray();
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for (int i = 0; i < pieces.size(); i += 20)
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metaInfoSha1Sums << pieces.mid(i, 20);
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} else if (info.contains("length")) {
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metaInfoFileForm = SingleFileForm;
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metaInfoSingleFile.length = info.value("length").toLongLong();
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metaInfoSingleFile.md5sum = info.value("md5sum").toByteArray();
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metaInfoSingleFile.name = QString::fromUtf8(info.value("name").toByteArray());
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metaInfoSingleFile.pieceLength = info.value("piece length").toInt();
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QByteArray pieces = info.value("pieces").toByteArray();
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for (int i = 0; i < pieces.size(); i += 20)
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metaInfoSingleFile.sha1Sums << pieces.mid(i, 20);
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}
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metaInfoAnnounce = QString::fromUtf8(dict.value("announce").toByteArray());
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if (dict.contains("announce-list")) {
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// ### unimplemented
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}
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if (dict.contains("creation date"))
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2016-06-21 21:27:48 +00:00
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metaInfoCreationDate.setSecsSinceEpoch(dict.value("creation date").toInt());
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2011-04-27 10:05:43 +00:00
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if (dict.contains("comment"))
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metaInfoComment = QString::fromUtf8(dict.value("comment").toByteArray());
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if (dict.contains("created by"))
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metaInfoCreatedBy = QString::fromUtf8(dict.value("created by").toByteArray());
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return true;
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}
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QByteArray MetaInfo::infoValue() const
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{
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return infoData;
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}
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QString MetaInfo::errorString() const
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{
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return errString;
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}
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MetaInfo::FileForm MetaInfo::fileForm() const
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{
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return metaInfoFileForm;
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}
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QString MetaInfo::announceUrl() const
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{
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return metaInfoAnnounce;
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}
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QStringList MetaInfo::announceList() const
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{
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return metaInfoAnnounceList;
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}
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QDateTime MetaInfo::creationDate() const
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{
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return metaInfoCreationDate;
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}
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QString MetaInfo::comment() const
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{
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return metaInfoComment;
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}
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QString MetaInfo::createdBy() const
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{
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return metaInfoCreatedBy;
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}
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MetaInfoSingleFile MetaInfo::singleFile() const
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{
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return metaInfoSingleFile;
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}
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QList<MetaInfoMultiFile> MetaInfo::multiFiles() const
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{
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return metaInfoMultiFiles;
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}
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QString MetaInfo::name() const
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{
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return metaInfoName;
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}
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int MetaInfo::pieceLength() const
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{
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return metaInfoPieceLength;
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}
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QList<QByteArray> MetaInfo::sha1Sums() const
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{
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return metaInfoSha1Sums;
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}
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qint64 MetaInfo::totalSize() const
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{
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if (fileForm() == SingleFileForm)
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return singleFile().length;
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qint64 size = 0;
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foreach (MetaInfoMultiFile file, multiFiles())
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size += file.length;
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return size;
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}
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