53 lines
1.7 KiB
Swift
53 lines
1.7 KiB
Swift
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//
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// ScannedPGPKey.swift
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// pass
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//
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// Created by Danny Moesch on 05.07.20.
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// Copyright © 2020 Bob Sun. All rights reserved.
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//
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class ScannedPGPKey {
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enum KeyType {
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case publicKey, privateKey
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}
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var keyType = KeyType.publicKey
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var segments = [String]()
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var message = ""
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func reset(keytype: KeyType) {
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keyType = keytype
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segments.removeAll()
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message = "LookingForStartingFrame.".localize()
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}
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func addSegment(segment: String) -> (accept: Bool, message: String) {
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let keyTypeStr = keyType == .publicKey ? "Public" : "Private"
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let theOtherKeyTypeStr = keyType == .publicKey ? "Private" : "Public"
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// Skip duplicated segments.
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guard segment != segments.last else {
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return (accept: false, message: message)
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}
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// Check whether we have found the first block.
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guard !segments.isEmpty || segment.contains("-----BEGIN PGP \(keyTypeStr.uppercased()) KEY BLOCK-----") else {
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// Check whether we are scanning the wrong key type.
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if segment.contains("-----BEGIN PGP \(theOtherKeyTypeStr.uppercased()) KEY BLOCK-----") {
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message = "Scan\(keyTypeStr)Key.".localize()
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}
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return (accept: false, message: message)
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}
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// Update the list of scanned segment and return.
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segments.append(segment)
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if segment.contains("-----END PGP \(keyTypeStr.uppercased()) KEY BLOCK-----") {
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message = "Done".localize()
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return (accept: true, message: message)
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} else {
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message = "ScannedQrCodes(%d)".localize(segments.count)
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return (accept: false, message: message)
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}
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}
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}
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