97 lines
3.7 KiB
Swift
97 lines
3.7 KiB
Swift
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@objc(LKDeviceLink)
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public final class DeviceLink : NSObject, NSCoding {
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@objc public let master: Device
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@objc public let slave: Device
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@objc public var isAuthorized: Bool { return master.signature != nil }
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@objc public var other: Device {
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let userHexEncodedPublicKey = getUserHexEncodedPublicKey()
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return (userHexEncodedPublicKey == master.hexEncodedPublicKey) ? slave : master
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}
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// MARK: Types
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@objc(LKDevice)
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public final class Device : NSObject, NSCoding {
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@objc public let hexEncodedPublicKey: String
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@objc public let signature: Data?
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@objc public var displayName: String {
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if let customDisplayName = UserDefaults.standard.string(forKey: "\(hexEncodedPublicKey)_display_name") {
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return customDisplayName
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} else {
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return NSLocalizedString("Unnamed Device", comment: "")
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}
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}
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@objc public init(hexEncodedPublicKey: String, signature: Data? = nil) {
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self.hexEncodedPublicKey = hexEncodedPublicKey
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self.signature = signature
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}
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@objc public init?(coder: NSCoder) {
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hexEncodedPublicKey = coder.decodeObject(forKey: "hexEncodedPublicKey") as! String
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signature = coder.decodeObject(forKey: "signature") as! Data?
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}
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@objc public func encode(with coder: NSCoder) {
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coder.encode(hexEncodedPublicKey, forKey: "hexEncodedPublicKey")
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if let signature = signature { coder.encode(signature, forKey: "signature") }
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}
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@objc public override func isEqual(_ other: Any?) -> Bool {
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guard let other = other as? Device else { return false }
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return hexEncodedPublicKey == other.hexEncodedPublicKey && signature == other.signature
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}
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@objc override public var hash: Int { // Override NSObject.hash and not Hashable.hashValue or Hashable.hash(into:)
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var result = hexEncodedPublicKey.hashValue
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if let signature = signature { result = result ^ signature.hashValue }
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return result
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}
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@objc override public var description: String { return hexEncodedPublicKey }
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}
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// MARK: Lifecycle
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@objc public init(between master: Device, and slave: Device) {
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self.master = master
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self.slave = slave
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}
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// MARK: Coding
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@objc public init?(coder: NSCoder) {
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master = coder.decodeObject(forKey: "master") as! Device
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slave = coder.decodeObject(forKey: "slave") as! Device
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super.init()
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}
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@objc public func encode(with coder: NSCoder) {
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coder.encode(master, forKey: "master")
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coder.encode(slave, forKey: "slave")
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}
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// MARK: JSON
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public func toJSON() -> JSON {
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var result = [ "primaryDevicePubKey" : master.hexEncodedPublicKey, "secondaryDevicePubKey" : slave.hexEncodedPublicKey ]
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if let masterSignature = master.signature { result["grantSignature"] = masterSignature.base64EncodedString() }
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if let slaveSignature = slave.signature { result["requestSignature"] = slaveSignature.base64EncodedString() }
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return result
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}
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// MARK: Equality
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@objc override public func isEqual(_ other: Any?) -> Bool {
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guard let other = other as? DeviceLink else { return false }
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return master == other.master && slave == other.slave
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}
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// MARK: Hashing
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@objc override public var hash: Int { // Override NSObject.hash and not Hashable.hashValue or Hashable.hash(into:)
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return master.hash ^ slave.hash
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}
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// MARK: Description
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@objc override public var description: String { return "\(master) - \(slave)" }
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}
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