Add support for sending encrypted messages

3 files changed, 14 insertions, 2 deletions

diff --git a/include/Cache.h b/include/Cache.h

index 76266ebd..b4dcdb90 100644
--- a/include/Cache.h
+++ b/include/Cache.h
@@ -286,6 +286,9 @@ public:
         bool isFormatValid();
         void setCurrentFormat();
 
+        //! Retrieve all the user ids from a room.
+        std::vector<std::string> roomMembers(const std::string &room_id);
+
         //! Check if the given user has power leve greater than than
         //! lowest power level of the given events.
         bool hasEnoughPowerLevel(const std::vector<mtx::events::EventType> &eventTypes,
@@ -358,8 +361,9 @@ public:
         void saveOutboundMegolmSession(const std::string &room_id,
                                        const OutboundGroupSessionData &data,
                                        mtx::crypto::OutboundGroupSessionPtr session);
-        OutboundGroupSessionDataRef getOutboundMegolmSession(const MegolmSessionIndex &index);
-        bool outboundMegolmSessionExists(const MegolmSessionIndex &index) noexcept;
+        OutboundGroupSessionDataRef getOutboundMegolmSession(const std::string &room_id);
+        bool outboundMegolmSessionExists(const std::string &room_id) noexcept;
+        void updateOutboundMegolmSession(const std::string &room_id, int message_index);
 
         //
         // Inbound Megolm Sessions
diff --git a/include/Olm.hpp b/include/Olm.hpp

index 2f7b1d64..0839f01c 100644
--- a/include/Olm.hpp
+++ b/include/Olm.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <memory>
+#include <mtx.hpp>
 #include <mtxclient/crypto/client.hpp>
 
 constexpr auto OLM_ALGO = "m.olm.v1.curve25519-aes-sha2";
@@ -62,4 +63,10 @@ void
 handle_pre_key_olm_message(const std::string &sender,
                            const std::string &sender_key,
                            const OlmCipherContent &content);
+
+mtx::events::msg::Encrypted
+encrypt_group_message(const std::string &room_id,
+                      const std::string &device_id,
+                      const std::string &body);
+
 } // namespace olm
diff --git a/include/timeline/TimelineView.h b/include/timeline/TimelineView.h

index 2c369d5f..5b5c2292 100644
--- a/include/timeline/TimelineView.h
+++ b/include/timeline/TimelineView.h
@@ -185,6 +185,7 @@ private:
         void sendRoomMessageHandler(const std::string &txn_id,
                                     const mtx::responses::EventId &res,
                                     mtx::http::RequestErr err);
+        void prepareEncryptedMessage(const PendingMessage &msg);
 
         //! Call the /messages endpoint to fill the timeline.
         void getMessages();