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/*
* Copyright (C) 2010,2011,2012 Rolf Eike Beer <[email protected]>
*/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "kgpgdecrypt.h"
#include "../gpgproc.h"
//#include "kgpgsettings.h"
//#include <KLocale>
KGpgDecrypt::KGpgDecrypt(QObject *parent, const QString &text)
: KGpgTextOrFileTransaction(parent, text),
m_fileIndex(-1),
m_plainLength(-1)
{
}
KGpgDecrypt::KGpgDecrypt(QObject *parent, const QList<QUrl> &files)
: KGpgTextOrFileTransaction(parent, files),
m_fileIndex(0),
m_plainLength(-1)
{
}
KGpgDecrypt::KGpgDecrypt(QObject* parent, const QUrl& infile, const QUrl& outfile)
: KGpgTextOrFileTransaction(parent, QList<QUrl>() << infile ),
m_fileIndex(0),
m_plainLength(-1),
m_outFilename(outfile.toLocalFile())
{
}
KGpgDecrypt::~KGpgDecrypt()
{
}
QStringList
KGpgDecrypt::command() const
{
QStringList ret;
ret << QLatin1String("--decrypt") << QLatin1String("--command-fd=0");
if (!m_outFilename.isEmpty())
ret << QLatin1String("-o") << m_outFilename;
//ret << KGpgSettings::customDecrypt().simplified().split(QLatin1Char(' '), QString::SkipEmptyParts);
return ret;
}
QStringList
KGpgDecrypt::decryptedText() const
{
QStringList result;
int txtlength = 0;
foreach (const QString &line, getMessages())
if (!line.startsWith(QLatin1String("[GNUPG:] "))) {
result.append(line);
txtlength += line.length() + 1;
}
if (result.isEmpty())
return result;
QString last = result.last();
// this may happen when the original text did not end with a newline
if (last.endsWith(QLatin1String("[GNUPG:] DECRYPTION_OKAY"))) {
// if GnuPG doesn't tell us the length assume that this happend
// if it told us the length then check if it _really_ happend
if (((m_plainLength != -1) && (txtlength != m_plainLength)) ||
(m_plainLength == -1)) {
last.chop(24);
result[result.count() - 1] = last;
}
}
return result;
}
bool
KGpgDecrypt::isEncryptedText(const QString &text, int *startPos, int *endPos)
{
int posStart = text.indexOf(QLatin1String("-----BEGIN PGP MESSAGE-----"));
if (posStart == -1)
return false;
int posEnd = text.indexOf(QLatin1String("-----END PGP MESSAGE-----"), posStart);
if (posEnd == -1)
return false;
if (startPos != NULL)
*startPos = posStart;
if (endPos != NULL)
*endPos = posEnd;
return true;
}
bool
KGpgDecrypt::nextLine(const QString& line)
{
const QList<QUrl> &inputFiles = getInputFiles();
if (!inputFiles.isEmpty()) {
if (line == QLatin1String("[GNUPG:] BEGIN_DECRYPTION")) {
emit statusMessage(tr("Status message 'Decrypting <filename>' (operation starts)", "Decrypting %1").arg(inputFiles.at(m_fileIndex).toLocalFile()));
emit infoProgress(2 * m_fileIndex + 1, inputFiles.count() * 2);
} else if (line == QLatin1String("[GNUPG:] END_DECRYPTION")) {
emit statusMessage(tr("Status message 'Decrypted <filename>' (operation was completed)", "Decrypted %1").arg(inputFiles.at(m_fileIndex).toLocalFile()));
m_fileIndex++;
emit infoProgress(2 * m_fileIndex, inputFiles.count() * 2);
}
} else {
if (line.startsWith(QLatin1String("[GNUPG:] PLAINTEXT_LENGTH "))) {
bool ok;
m_plainLength = line.mid(26).toInt(&ok);
if (!ok)
m_plainLength = -1;
} else if (line == QLatin1String("[GNUPG:] BEGIN_DECRYPTION")) {
// close the command channel (if any) to signal GnuPG that it
// can start sending the output.
getProcess()->closeWriteChannel();
}
}
return KGpgTextOrFileTransaction::nextLine(line);
}
//#include "kgpgdecrypt.moc"
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