80 lines
3.3 KiB
Swift
80 lines
3.3 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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//
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// stringlint:disable
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import Foundation
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public enum MessageReceiverError: LocalizedError {
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case duplicateMessage
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case duplicateMessageNewSnode
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case duplicateControlMessage
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case invalidMessage
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case unknownMessage
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case unknownEnvelopeType
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case noUserX25519KeyPair
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case noUserED25519KeyPair
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case invalidSignature
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case noData
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case senderBlocked
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case noThread
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case selfSend
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case decryptionFailed
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case invalidGroupPublicKey
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case noGroupKeyPair
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case invalidSharedConfigMessageHandling
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case requiredThreadNotInConfig
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case outdatedMessage
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public var isRetryable: Bool {
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switch self {
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case .duplicateMessage, .duplicateMessageNewSnode, .duplicateControlMessage,
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.invalidMessage, .unknownMessage, .unknownEnvelopeType, .invalidSignature,
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.noData, .senderBlocked, .noThread, .selfSend, .decryptionFailed,
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.invalidSharedConfigMessageHandling, .requiredThreadNotInConfig, .outdatedMessage:
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return false
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default: return true
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}
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}
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public var shouldUpdateLastHash: Bool {
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switch self {
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// If we get one of these errors then we still want to update the last hash to prevent
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// retrieving and attempting to process the same messages again (as well as ensure the
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// next poll doesn't retrieve the same message - these errors are essentially considered
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// "already successfully processed")
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case .selfSend, .duplicateControlMessage, .outdatedMessage:
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return true
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default: return false
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}
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}
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public var errorDescription: String? {
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switch self {
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case .duplicateMessage: return "Duplicate message."
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case .duplicateMessageNewSnode: return "Duplicate message from different service node."
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case .duplicateControlMessage: return "Duplicate control message."
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case .invalidMessage: return "Invalid message."
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case .unknownMessage: return "Unknown message type."
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case .unknownEnvelopeType: return "Unknown envelope type."
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case .noUserX25519KeyPair: return "Couldn't find user X25519 key pair."
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case .noUserED25519KeyPair: return "Couldn't find user ED25519 key pair."
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case .invalidSignature: return "Invalid message signature."
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case .noData: return "Received an empty envelope."
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case .senderBlocked: return "Received a message from a blocked user."
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case .noThread: return "Couldn't find thread for message."
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case .selfSend: return "Message addressed at self."
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case .decryptionFailed: return "Decryption failed."
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// Shared sender keys
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case .invalidGroupPublicKey: return "Invalid group public key."
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case .noGroupKeyPair: return "Missing group key pair."
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case .invalidSharedConfigMessageHandling: return "Invalid handling of a shared config message."
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case .requiredThreadNotInConfig: return "Required thread not in config."
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case .outdatedMessage: return "Message was sent before a config change which would have removed the message."
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}
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}
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}
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