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Add support for sending encrypted messages

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This commit is contained in:
Konstantinos Sideris 2018-06-13 12:28:00 +03:00
parent e5dd64c63a
commit 5d47cc3940
6 changed files with 345 additions and 12 deletions
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27
src/Olm.cpp
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@ -136,4 +136,31 @@ handle_olm_normal_message(const std::string &, const std::string &, const OlmCip
log::crypto()->warn("olm(1) not implemeted yet");
}
mtx::events::msg::Encrypted
encrypt_group_message(const std::string &room_id,
const std::string &device_id,
const std::string &body)
{
using namespace mtx::events;
// Always chech before for existence.
auto res = cache::client()->getOutboundMegolmSession(room_id);
auto payload = olm::client()->encrypt_group_message(res.session, body);
// Prepare the m.room.encrypted event.
msg::Encrypted data;
data.ciphertext = std::string((char *)payload.data(), payload.size());
data.sender_key = olm::client()->identity_keys().curve25519;
data.session_id = res.data.session_id;
data.device_id = device_id;
auto message_index = olm_outbound_group_session_message_index(res.session);
log::crypto()->info("next message_index {}", message_index);
// We need to re-pickle the session after we send a message to save the new message_index.
cache::client()->updateOutboundMegolmSession(room_id, message_index);
return data;
}
} // namespace olm