1 files changed, 99 insertions, 0 deletions
diff --git a/src/main/oshelper.cpp b/src/main/oshelper.cpp
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+++ b/src/main/oshelper.cpp
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+// Copyright (c) 2014-2019, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "oshelper.h"
+#include <QTemporaryFile>
+#include <QDir>
+#include <QDebug>
+#include <QString>
+#ifdef Q_OS_MAC
+#include "qt/macoshelper.h"
+#endif
+#ifdef Q_OS_WIN32
+#include <windows.h>
+#endif
+#if defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)
+#include <X11/XKBlib.h>
+#undef KeyPress
+#undef KeyRelease
+#undef FocusIn
+#undef FocusOut
+// #undef those Xlib #defines that conflict with QEvent::Type enum
+#endif
+
+OSHelper::OSHelper(QObject *parent) : QObject(parent)
+{
+
+}
+
+QString OSHelper::temporaryFilename() const
+{
+    QString tempFileName;
+    {
+        QTemporaryFile f;
+        f.open();
+        tempFileName = f.fileName();
+    }
+    return tempFileName;
+}
+
+bool OSHelper::removeTemporaryWallet(const QString &fileName) const
+{
+    // Temporary files should be deleted automatically by default, in case they wouldn't, we delete them manually as well
+    bool cache_deleted = QFile::remove(fileName);
+    bool address_deleted = QFile::remove(fileName + ".address.txt");
+    bool keys_deleted = QFile::remove(fileName +".keys");
+
+    return cache_deleted && address_deleted && keys_deleted;
+}
+
+// https://stackoverflow.com/a/3006934
+bool OSHelper::isCapsLock() const
+{
+    // platform dependent method of determining if CAPS LOCK is on
+#if defined(Q_OS_WIN32) // MS Windows version
+    return GetKeyState(VK_CAPITAL) == 1;
+#elif defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID) // X11 version
+    Display * d = XOpenDisplay((char*)0);
+    bool caps_state = false;
+    if (d) {
+        unsigned n;
+        XkbGetIndicatorState(d, XkbUseCoreKbd, &n);
+        caps_state = (n & 0x01) == 1;
+    }
+    return caps_state;
+#elif defined(Q_OS_MAC)
+    return MacOSHelper::isCapsLock();
+#endif
+    return false;
+}
+
+QString OSHelper::temporaryPath() const
+{
+    return QDir::tempPath();
+}