1 files changed, 26 insertions, 3 deletions
diff --git a/lib/olm/qolminboundsession.h b/lib/olm/qolminboundsession.h
index 520f8b68..c75b7285 100644
--- a/lib/olm/qolminboundsession.h
+++ b/lib/olm/qolminboundsession.h
@@ -6,6 +6,11 @@
 
 #include <QByteArray>
 #include <variant>
+#include "olm/olm.h"
+#include "olm/errors.h"
+#include "olm/e2ee.h"
+
+namespace Quotient {
 
 //! An in-bound group session is responsible for decrypting incoming
 //! communication in a Megolm session.
@@ -13,9 +18,27 @@ struct QOlmInboundGroupSession
 {
 public:
     //! Creates a new instance of `OlmInboundGroupSession`.
-    static std::variant<OlmInboundGroupSession, OlmGroupSessionError> create(const QString &key);
+    static std::variant<QOlmInboundGroupSession, OlmError> create(const QString &key);
+    //! Import an inbound group session, from a previous export.
+    static std::variant<QOlmInboundGroupSession, OlmError> import(const QString &key);
+    //! Serialises an `OlmInboundGroupSession` to encrypted Base64.
+    std::variant<QByteArray, OlmError> pickle(const PicklingMode &mode) const;
+    //! Deserialises from encrypted Base64 that was previously obtained by pickling
+    //! an `OlmInboundGroupSession`.
+    static std::variant<QOlmInboundGroupSession, OlmError> unpicke(QByteArray &picked, const PicklingMode &mode);
+    //! Decrypts ciphertext received for this group session.
+    std::variant<std::pair<QString, uint32_t>, OlmError> decrypt(QString &message);
+    //! Export the base64-encoded ratchet key for this session, at the given index,
+    //! in a format which can be used by import.
+    std::variant<QByteArray, OlmError> exportSession(uint32_t messageIndex);
+    //! Get the first message index we know how to decrypt.
+    uint32_t firstKnownIndex() const;
+    //! Get a base64-encoded identifier for this session.
+    std::variant<QByteArray, OlmError> sessionId() const;
+    bool isVerified() const;
 private:
-    OlmInboundGroupSession *m_groupSession
+    QOlmInboundGroupSession(OlmInboundGroupSession *session, const QByteArray &buffer);
+    OlmInboundGroupSession *m_groupSession;
     QByteArray m_buffer;
 };
-
+} // namespace Quotient