1 files changed, 141 insertions, 0 deletions
diff --git a/kgpg/transactions/kgpgdecrypt.cpp b/kgpg/transactions/kgpgdecrypt.cpp
new file mode 100644
index 0000000..20f0c50
--- /dev/null
+++ b/kgpg/transactions/kgpgdecrypt.cpp
@@ -0,0 +1,141 @@
+/*
+ * 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"