File indexing completed on 2024-04-28 04:57:30

0001 /***************************************************************************
0002  *   Copyright (C) 2009 Matthias Fuchs <mat69@gmx.net>                     *
0003  *                                                                         *
0004  *   This program is free software; you can redistribute it and/or modify  *
0005  *   it under the terms of the GNU General Public License as published by  *
0006  *   the Free Software Foundation; either version 2 of the License, or     *
0007  *   (at your option) any later version.                                   *
0008  *                                                                         *
0009  *   This program is distributed in the hope that it will be useful,       *
0010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0012  *   GNU General Public License for more details.                          *
0013  *                                                                         *
0014  *   You should have received a copy of the GNU General Public License     *
0015  *   along with this program; if not, write to the                         *
0016  *   Free Software Foundation, Inc.,                                       *
0017  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
0018  ***************************************************************************/
0019 
0020 #ifndef CHECKSUMSEARCH_H
0021 #define CHECKSUMSEARCH_H
0022 
0023 #include <QObject>
0024 
0025 #include <KIO/TransferJob>
0026 
0027 #include <QUrl>
0028 
0029 class ChecksumSearch : public QObject
0030 {
0031     Q_OBJECT
0032 
0033 public:
0034     ChecksumSearch(const QList<QUrl> &srcs, const QString &fileName, const QStringList &types, QObject *parent = nullptr);
0035     ~ChecksumSearch() override;
0036 
0037     /**
0038      * Used to define in whiche way the url should be changed to try and find
0039      * Checksums
0040      */
0041     enum UrlChangeMode {
0042         kg_Append, /// Appends the QString to the Url --> "http://test.com/aFile.zip"; ".md5" "http://test.com/aFile.zip.md5"
0043         kg_ReplaceFile, /// Replaces the file of the Url with QString --> "http://test.com/aFile.zip"; "MD5SUMS" "http://test.com/MD5SUMS"
0044         kg_ReplaceEnding /// Only replaces the file ending of the Url with QString --> "http://test.com/aFile.zip"; "-CHECKSUM" "http://test.com/aFile-CHECKSUM"
0045     };
0046 
0047     /**
0048      * Returns the available mode-names. The order of the Stringlist is the same as in the enum
0049      */
0050     static QStringList urlChangeModes()
0051     {
0052         return URLCHANGEMODES;
0053     }
0054 
0055     /**
0056      * Returns a modified url according to the parameters
0057      * @param src the url to modify
0058      * @param change the string containing the change e.g. ".md5"
0059      * @param mode the mode of the change e.g. Append
0060      */
0061     static QUrl createUrl(const QUrl &src, const QString &change, UrlChangeMode mode);
0062 
0063 Q_SIGNALS:
0064     void data(QString type, QString checksum);
0065 
0066 private Q_SLOTS:
0067     void slotResult(KJob *job);
0068     void slotData(KIO::Job *job, const QByteArray &data);
0069 
0070 private:
0071     /**
0072      * Creates a download
0073      */
0074     void createDownload();
0075 
0076     /**
0077      * Parses the download
0078      */
0079     void parseDownload();
0080 
0081     /**
0082      * Parses the download when no type has been specified
0083      */
0084     void parseDownloadEmpty();
0085 
0086 private:
0087     KIO::TransferJob *m_copyJob;
0088     QUrl m_src;
0089     QList<QUrl> m_srcs;
0090     QString m_fileName;
0091     QString m_type;
0092     QStringList m_types;
0093     QByteArray m_dataBA;
0094     QString m_data;
0095     bool m_isEmpty;
0096     static const QStringList URLCHANGEMODES;
0097 };
0098 
0099 #endif