Add full EncryptionEvent to room logic. Issue #95

1 files changed, 48 insertions, 0 deletions

diff --git a/lib/events/encryptionevent.cpp b/lib/events/encryptionevent.cpp
index 7b620bce..b8e2b575 100644
--- a/lib/events/encryptionevent.cpp
+++ b/lib/events/encryptionevent.cpp
@@ -1,5 +1,53 @@
 //
 // Created by rusakov on 26/09/2017.
+// Contributed by andreev on 27/06/2019.
 //
 
 #include "encryptionevent.h"
+
+#include "converters.h"
+#include "logging.h"
+
+#include <array>
+
+static const std::array<QString, 1> encryptionStrings = { {
+    QStringLiteral("m.megolm.v1.aes-sha2")
+} };
+
+namespace QMatrixClient {
+    template <>
+    struct JsonConverter<EncryptionType>
+    {
+        static EncryptionType load(const QJsonValue& jv)
+        {
+            const auto& encryptionString = jv.toString();
+            for (auto it = encryptionStrings.begin();
+                    it != encryptionStrings.end(); ++it)
+                if (encryptionString == *it)
+                    return EncryptionType(it - encryptionStrings.begin());
+
+            qCWarning(EVENTS) << "Unknown EncryptionType: " << encryptionString;
+            return EncryptionType::Undefined;
+        }
+    };
+}
+
+using namespace QMatrixClient;
+
+EncryptionEventContent::EncryptionEventContent(const QJsonObject& json)
+    : encryption(fromJson<EncryptionType>(json["algorithm"_ls]))
+    , algorithm(sanitized(json["algorithm"_ls].toString()))
+    , rotationPeriodMs(json["rotation_period_ms"_ls].toInt(604800000))
+    , rotationPeriodMsgs(json["rotation_period_msgs"_ls].toInt(100))
+{ }
+
+void EncryptionEventContent::fillJson(QJsonObject* o) const
+{
+    Q_ASSERT(o);
+    Q_ASSERT_X(encryption != EncryptionType::Undefined, __FUNCTION__,
+             "The key 'algorithm' must be explicit in EncryptionEventContent");
+    if (encryption != EncryptionType::Undefined)
+        o->insert(QStringLiteral("algorithm"), algorithm);
+    o->insert(QStringLiteral("rotation_period_ms"), rotationPeriodMs);
+    o->insert(QStringLiteral("rotation_period_msgs"), rotationPeriodMsgs);
+}