Put temp files in .qBittorrent directory. Closes #4462.

src/app/application.cpp

@@ -629,6 +629,7 @@ void Application::cleanup()
     delete m_fileLogger;
     Logger::freeInstance();
     IconProvider::freeInstance();
+    Utils::Fs::removeDirRecursive(Utils::Fs::tempPath());
 
 #ifndef DISABLE_GUI
 #ifdef Q_OS_WIN

src/base/net/downloadhandler.cpp

@@ -142,7 +142,7 @@ void DownloadHandler::init()
 
 bool DownloadHandler::saveToFile(const QByteArray &replyData, QString &filePath)
 {
-    QTemporaryFile *tmpfile = new QTemporaryFile;
+    QTemporaryFile *tmpfile = new QTemporaryFile(Utils::Fs::tempPath() + "XXXXXX");
     if (!tmpfile->open()) {
         delete tmpfile;
         return false;

src/base/utils/fs.cpp

@@ -518,3 +518,10 @@ QString Utils::Fs::cacheLocation()
         locationDir.mkpath(locationDir.absolutePath());
     return location;
 }
+
+QString Utils::Fs::tempPath()
+{
+    static const QString path = QDir::tempPath() + "/.qBittorrent/";
+    QDir().mkdir(path);
+    return path;
+}

src/base/utils/fs.h

@@ -67,6 +67,7 @@ namespace Utils
         /* End of Qt4 code */
 
         QString cacheLocation();
+        QString tempPath();
     }
 }
 

src/webui/abstractwebapplication.cpp

@@ -36,6 +36,7 @@
 #include <QTimer>
 
 #include "base/preferences.h"
+#include "base/utils/fs.h"
 #include "websessiondata.h"
 #include "abstractwebapplication.h"
 
@@ -382,7 +383,7 @@ bool AbstractWebApplication::sessionEnd()
 
 QString AbstractWebApplication::saveTmpFile(const QByteArray &data)
 {
-    QTemporaryFile tmpfile(QDir::temp().absoluteFilePath("qBT-XXXXXX.torrent"));
+    QTemporaryFile tmpfile(Utils::Fs::tempPath() + "XXXXXX.torrent");
     tmpfile.setAutoRemove(false);
     if (tmpfile.open()) {
         tmpfile.write(data);