Cleanup

A note on switching to QLatin1String for JSON key constants - this is
more concise and barely affects (if at all) runtime performance (padding
each QChar with zeros is trivial for assignment; and comparison can be
done directly with the same performance as for two QStrings).

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/events/encryptedevent.cpp b/lib/events/encryptedevent.cpp
index 1b5e4441..ba4dd154 100644
--- a/lib/events/encryptedevent.cpp
+++ b/lib/events/encryptedevent.cpp
@@ -33,6 +33,19 @@ EncryptedEvent::EncryptedEvent(const QJsonObject& obj)
     qCDebug(E2EE) << "Encrypted event from" << senderId();
 }
 
+QString EncryptedEvent::algorithm() const
+{
+    auto algo = contentPart<QString>(AlgorithmKeyL);
+    static constexpr auto SupportedAlgorithms =
+        make_array(OlmV1Curve25519AesSha2AlgoKey, MegolmV1AesSha2AlgoKey);
+    if (std::find(SupportedAlgorithms.cbegin(), SupportedAlgorithms.cend(),
+                  algo) == SupportedAlgorithms.cend()) {
+        qWarning(MAIN) << "The EncryptedEvent's algorithm" << algo
+                       << "is not supported";
+    }
+    return algo;
+}
+
 RoomEventPtr EncryptedEvent::createDecrypted(const QString &decrypted) const
 {
     auto eventObject = QJsonDocument::fromJson(decrypted.toUtf8()).object();