Function DetectPolicyType

pkg/policies/engine/detect.go:31–43

DetectPolicyType determines the policy type from source bytes WASM files start with magic bytes: 0x00 0x61 0x73 0x6d (\0asm) as documented at https://webassembly.github.io/spec/core/binary/modules.html#binary-module

(source []byte)

// WASM files start with magic bytes: 0x00 0x61 0x73 0x6d (\0asm)
// as documented at https://webassembly.github.io/spec/core/binary/modules.html#binary-module
func DetectPolicyType(source []byte) PolicyType {
	// WASM files start with magic bytes: 0x00 0x61 0x73 0x6d (\0asm)
	if len(source) >= 4 &&
		source[0] == 0x00 &&
		source[1] == 0x61 &&
		source[2] == 0x73 &&
		source[3] == 0x6d {
		return PolicyTypeWASM
	}

	// Default to Rego (text-based)
	return PolicyTypeRego
}