Implement XEP-0448: Stateless File Sharing

This adds a file sharing manager that is capable of using multiple back
ends. Currently implemented are a normal HTTP File Upload backend and an
encrypted HTTP File Upload. Jingle File Transfer could be implemented
later.

Co-authored-by: Linus Jahn <lnj@kaidan.im>

1 files changed, 40 insertions, 0 deletions

diff --git a/src/client/QXmppHttpFileSharingProvider.h b/src/client/QXmppHttpFileSharingProvider.h
new file mode 100644
index 00000000..748c1277
--- /dev/null
+++ b/src/client/QXmppHttpFileSharingProvider.h
@@ -0,0 +1,40 @@
+// SPDX-FileCopyrightText: 2022 Jonah Brüchert <jbb@kaidan.im>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#ifndef QXMPPHTTPFILESHARINGPROVIDER_H
+#define QXMPPHTTPFILESHARINGPROVIDER_H
+
+#include "QXmppFileSharingProvider.h"
+#include "QXmppHttpFileSource.h"
+
+#include <any>
+#include <memory>
+
+class QXmppClient;
+class QIODevice;
+class QXmppHttpUploadManager;
+class QNetworkAccessManager;
+
+class QXmppHttpFileSharingProviderPrivate;
+
+class QXMPP_EXPORT QXmppHttpFileSharingProvider : public QXmppFileSharingProvider
+{
+public:
+    /// \cond
+    using SourceType = QXmppHttpFileSource;
+    /// \endcond
+
+    QXmppHttpFileSharingProvider(QXmppClient *client, QNetworkAccessManager *netManager);
+    ~QXmppHttpFileSharingProvider() override;
+
+    auto downloadFile(const std::any &source,
+                      std::unique_ptr<QIODevice> &&target) -> std::shared_ptr<QXmppDownload> override;
+    auto uploadFile(std::unique_ptr<QIODevice> data,
+                    const QXmppFileMetadata &info) -> std::shared_ptr<QXmppUpload> override;
+
+private:
+    std::unique_ptr<QXmppHttpFileSharingProviderPrivate> d;
+};
+
+#endif  // QXMPPHTTPFILESHARINGPROVIDER_H