Merge remote-tracking branch 'origin/main' into sb/rpc-analysis

1 files changed, 39 insertions, 0 deletions

diff --git a/src/zencore/compactbinaryutil.cpp b/src/zencore/compactbinaryutil.cpp
new file mode 100644
index 000000000..074bdaffd
--- /dev/null
+++ b/src/zencore/compactbinaryutil.cpp
@@ -0,0 +1,39 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include <zencore/compactbinaryutil.h>
+
+#include <zencore/compress.h>
+#include <zencore/filesystem.h>
+
+namespace zen {
+
+CbObject
+ValidateAndReadCompactBinaryObject(const SharedBuffer&& Payload, CbValidateError& OutError)
+{
+	if (Payload.GetSize() > 0)
+	{
+		if (OutError = ValidateCompactBinary(Payload.GetView(), CbValidateMode::Default); OutError == CbValidateError::None)
+		{
+			CbObject Object(std::move(Payload));
+			if (Object.GetView().GetSize() != Payload.GetSize())
+			{
+				OutError |= CbValidateError::OutOfBounds;
+				return {};
+			}
+			return Object;
+		}
+	}
+	return CbObject();
+}
+
+CbObject
+ValidateAndReadCompactBinaryObject(const CompressedBuffer&& Payload, CbValidateError& OutError)
+{
+	if (CompositeBuffer Decompressed = Payload.DecompressToComposite())
+	{
+		return ValidateAndReadCompactBinaryObject(std::move(Decompressed).Flatten(), OutError);
+	}
+	return CbObject();
+}
+
+}  // namespace zen