Avoid storing the password in the configuration

The password (or any other secret), is now cached in the client process
(in-memory only), and delivered to the resource via command.
The resource avoids doing any operations against the source until the
secret is available.

1 files changed, 51 insertions, 0 deletions

diff --git a/common/secretstore.cpp b/common/secretstore.cpp
new file mode 100644
index 0000000..39d5206
--- /dev/null
+++ b/common/secretstore.cpp
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2017 Christian Mollekopf <mollekopf@kolabsys.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) version 3, or any
+ * later version accepted by the membership of KDE e.V. (or its
+ * successor approved by the membership of KDE e.V.), which shall
+ * act as a proxy defined in Section 6 of version 3 of the license.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "secretstore.h"
+
+#include <QGlobalStatic>
+#include <QMap>
+#include <QString>
+#include <QMutexLocker>
+
+using namespace Sink;
+
+QMutex SecretStore::sMutex;
+
+SecretStore &SecretStore::instance()
+{
+    static SecretStore s;
+    return s;
+}
+
+void SecretStore::insert(const QByteArray &resourceId, const QString &secret)
+{
+    QMutexLocker locker{&sMutex};
+    mCache.insert(resourceId, secret);
+    locker.unlock();
+    emit secretAvailable(resourceId);
+}
+
+QString SecretStore::resourceSecret(const QByteArray &resourceId)
+{
+    QMutexLocker locker{&sMutex};
+    return mCache.value(resourceId);
+}
+