src/gui/downloadfromurldialog.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
   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
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include "downloadfromurldialog.h"
  30
  31 #include <QClipboard>
  32 #include <QMessageBox>
  33 #include <QPushButton>
  34 #include <QRegularExpression>
  35 #include <QSet>
  36 #include <QString>
  37 #include <QStringList>
  38
  39 #include "ui_downloadfromurldialog.h"
  40 #include "utils.h"
  41
  42 #define SETTINGS_KEY(name) "DownloadFromURLDialog/" name
  43
  44 namespace
  45 {
  46     bool isDownloadable(const QString &str)
  47     {
  48         return (str.startsWith("http://", Qt::CaseInsensitive)
  49             || str.startsWith("https://", Qt::CaseInsensitive)
  50             || str.startsWith("ftp://", Qt::CaseInsensitive)
  51             || str.startsWith("magnet:", Qt::CaseInsensitive)
  52             || ((str.size() == 40) && !str.contains(QRegularExpression("[^0-9A-Fa-f]"))) // v1 hex-encoded SHA-1 info-hash
  53 #ifdef QBT_USES_LIBTORRENT2
  54             || ((str.size() == 64) && !str.contains(QRegularExpression("[^0-9A-Fa-f]"))) // v2 hex-encoded SHA-256 info-hash
  55 #endif
  56             || ((str.size() == 32) && !str.contains(QRegularExpression("[^2-7A-Za-z]")))); // v1 Base32 encoded SHA-1 info-hash
  57
  58     }
  59 }
  60
  61 DownloadFromURLDialog::DownloadFromURLDialog(QWidget *parent)
  62     : QDialog(parent)
  63     , m_ui(new Ui::DownloadFromURLDialog)
  64     , m_storeDialogSize(SETTINGS_KEY("Size"))
  65 {
  66     m_ui->setupUi(this);
  67     setAttribute(Qt::WA_DeleteOnClose);
  68     setModal(true);
  69
  70     m_ui->buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Download"));
  71     connect(m_ui->buttonBox, &QDialogButtonBox::accepted, this, &DownloadFromURLDialog::downloadButtonClicked);
  72     connect(m_ui->buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
  73
  74     m_ui->textUrls->setWordWrapMode(QTextOption::NoWrap);
  75
  76     // Paste clipboard if there is an URL in it
  77     const QString clipboardText = qApp->clipboard()->text();
  78     const QList<QStringView> clipboardList = QStringView(clipboardText).split(u'\n');
  79
  80     QSet<QString> uniqueURLs;
  81     for (QStringView strRef : clipboardList)
  82     {
  83         strRef = strRef.trimmed();
  84         if (strRef.isEmpty()) continue;
  85
  86         const QString str = strRef.toString();
  87         if (isDownloadable(str))
  88             uniqueURLs << str;
  89     }
  90
  91     const QString text = uniqueURLs.values().join(QLatin1Char('\n'))
  92         + (!uniqueURLs.isEmpty() ? QLatin1String("\n") : QLatin1String(""));
  93
  94     m_ui->textUrls->setText(text);
  95     m_ui->textUrls->moveCursor(QTextCursor::End);
  96
  97     Utils::Gui::resize(this, m_storeDialogSize);
  98     show();
  99 }
 100
 101 DownloadFromURLDialog::~DownloadFromURLDialog()
 102 {
 103     m_storeDialogSize = size();
 104     delete m_ui;
 105 }
 106
 107 void DownloadFromURLDialog::downloadButtonClicked()
 108 {
 109     const QString plainText = m_ui->textUrls->toPlainText();
 110     const QList<QStringView> urls = QStringView(plainText).split(u'\n');
 111
 112     QSet<QString> uniqueURLs;
 113     for (QStringView url : urls)
 114     {
 115         url = url.trimmed();
 116         if (url.isEmpty()) continue;
 117
 118         uniqueURLs << url.toString();
 119     }
 120
 121     if (uniqueURLs.isEmpty())
 122     {
 123         QMessageBox::warning(this, tr("No URL entered"), tr("Please type at least one URL."));
 124         return;
 125     }
 126
 127     emit urlsReadyToBeDownloaded(uniqueURLs.values());
 128     accept();
 129 }