refs #502, cookie manager

* use authenticated user data objects in databaseauthentication
* shared threadsafe cookie manager across the QNetworkAccessManagers
* use cookie manager in existing readers

src/blackcore/cookiemanager.h

@@ -0,0 +1,79 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKCORE_COOKIEMANAGER_H
+#define BLACKCORE_COOKIEMANAGER_H
+
+#include "blackcore/blackcoreexport.h"
+#include <QNetworkCookieJar>
+#include <QNetworkCookie>
+#include <QNetworkRequest>
+#include <QNetworkAccessManager>
+#include <QReadWriteLock>
+
+namespace BlackCore
+{
+    /*!
+     * Centralized cookie manager,
+     * which allows thread safe sharing of cookies
+     */
+    class BLACKCORE_EXPORT CCookieManager : QNetworkCookieJar
+    {
+        Q_OBJECT
+
+    public:
+        //! cookiesForUrl::setCookiesFromUrl
+        //! \threadsafe
+        virtual bool setCookiesFromUrl(const QList<QNetworkCookie> &cookies, const QUrl &url) override;
+
+        //! QNetworkCookieJar::cookiesForUrl
+        //! \threadsafe
+        virtual QList<QNetworkCookie> cookiesForUrl(const QUrl &url) const override;
+
+        //! Cookies for request
+        //! \threadsafe
+        QList<QNetworkCookie> cookiesForRequest(const QNetworkRequest &request) const;
+
+        //! \copydoc QNetworkCookieJar::deleteCookie
+        //! \threadsafe
+        virtual bool deleteCookie(const QNetworkCookie &cookie) override;
+
+        //! Delete all cookies
+        //! \threadsafe
+        void deleteAllCookies();
+
+        //! \copydoc QNetworkCookieJar::insertCookie
+        //! \threadsafe
+        virtual bool insertCookie(const QNetworkCookie &cookie) override;
+
+        //! \copydoc QNetworkCookieJar::updateCookie
+        //! \threadsafe
+        virtual bool updateCookie(const QNetworkCookie &cookie) override;
+
+        //! Our central access manager
+        static CCookieManager *instance();
+
+        //! Set the central instance to the given access manager
+        static void setToAccessManager(QNetworkAccessManager *manager);
+
+    private:
+        //! Constructor
+        CCookieManager(QObject *parent = nullptr);
+
+        //! Reset the parent, required when CookieManager is set to QNetworkAccessManager
+        static void resetParent();
+
+        mutable QReadWriteLock m_lock { QReadWriteLock::Recursive };
+    };
+
+} // ns
+
+#endif // guard