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Answer key requests for all our sessions

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This commit is contained in:
Nicolas Werner 2020-10-17 00:12:26 +02:00
parent b23913fa7c
commit bc7494473b
1 changed files with 10 additions and 7 deletions
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17
src/Olm.cpp
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@ -500,12 +500,14 @@ handle_key_request_message(const mtx::events::DeviceEvent<mtx::events::msg::KeyR
}
// Check that the requested session_id and the one we have saved match.
const auto session = cache::getOutboundMegolmSession(req.content.room_id);
if (req.content.session_id != session.data.session_id) {
nhlog::crypto()->warn("session id of retrieved session doesn't match the request: "
"requested({}), ours({})",
req.content.session_id,
session.data.session_id);
MegolmSessionIndex index{};
index.room_id = req.content.room_id;
index.session_id = req.content.session_id;
index.sender_key = olm::client()->identity_keys().curve25519;
const auto session = cache::getInboundMegolmSession(index);
if (!session) {
nhlog::crypto()->warn("No session with id {} in db", req.content.session_id);
return;
}
@ -523,13 +525,14 @@ handle_key_request_message(const mtx::events::DeviceEvent<mtx::events::msg::KeyR
return;
}
auto session_key = mtx::crypto::export_session(session);
//
// Prepare the m.room_key event.
//
auto payload = json{{"algorithm", "m.megolm.v1.aes-sha2"},
{"room_id", req.content.room_id},
{"session_id", req.content.session_id},
{"session_key", session.data.session_key}};
{"session_key", session_key}};
send_megolm_key_to_device(req.sender, req.content.requesting_device_id, payload);
}