From 3f0aa13cb6f83c8768dc30b1a1872b9696992fa7 Mon Sep 17 00:00:00 2001
From: Nicolas Werner <nicolas.werner@hotmail.de>
Date: Sat, 17 Jul 2021 02:14:44 +0200
Subject: Share historical keys

We share all keys with our devices and ones created by us to other
users.
---
 src/Cache.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'src/Cache.cpp')

diff --git a/src/Cache.cpp b/src/Cache.cpp
index 1c156104..7b6a6135 100644
--- a/src/Cache.cpp
+++ b/src/Cache.cpp
@@ -582,6 +582,25 @@ Cache::getOutboundMegolmSession(const std::string &room_id)
         }
 }
 
+std::optional<GroupSessionData>
+Cache::getMegolmSessionData(const MegolmSessionIndex &index)
+{
+        try {
+                using namespace mtx::crypto;
+
+                auto txn = ro_txn(env_);
+
+                std::string_view value;
+                if (megolmSessionDataDb_.get(txn, json(index).dump(), value)) {
+                        return nlohmann::json::parse(value).get<GroupSessionData>();
+                }
+
+                return std::nullopt;
+        } catch (std::exception &e) {
+                nhlog::db()->error("Failed to retrieve Megolm Session Data: {}", e.what());
+                return std::nullopt;
+        }
+}
 //
 // OLM sessions.
 //
@@ -4622,6 +4641,11 @@ inboundMegolmSessionExists(const MegolmSessionIndex &index)
 {
         return instance_->inboundMegolmSessionExists(index);
 }
+std::optional<GroupSessionData>
+getMegolmSessionData(const MegolmSessionIndex &index)
+{
+        return instance_->getMegolmSessionData(index);
+}
 
 //
 // Olm Sessions
-- 
cgit 1.5.1