41 lines
1.4 KiB
Swift
41 lines
1.4 KiB
Swift
import SessionUtilities
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public enum ReceivingPipeline {
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public enum Error : LocalizedError {
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case invalidMessage
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public var errorDescription: String? {
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switch self {
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case .invalidMessage: return "Invalid message."
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}
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}
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}
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public static func parse(_ ciphertext: Data) -> Message? {
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let plaintext = ciphertext // TODO: Decryption
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let proto: SNProtoContent
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do {
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proto = try SNProtoContent.parseData(plaintext)
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} catch {
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SNLog("Couldn't parse proto due to error: \(error).")
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return nil
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}
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let message: Message? = {
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if let readReceipt = ReadReceipt.fromProto(proto) { return readReceipt }
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if let sessionRequest = SessionRequest.fromProto(proto) { return sessionRequest }
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if let typingIndicator = TypingIndicator.fromProto(proto) { return typingIndicator }
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if let closedGroupUpdate = ClosedGroupUpdate.fromProto(proto) { return closedGroupUpdate }
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if let expirationTimerUpdate = ExpirationTimerUpdate.fromProto(proto) { return expirationTimerUpdate }
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if let visibleMessage = VisibleMessage.fromProto(proto) { return visibleMessage }
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return nil
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}()
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if let message = message {
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guard message.isValid else { return nil }
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return message
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} else {
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return nil
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}
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}
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}
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