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feat: ios: authenticate user before clearing logs
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ios/PolkadotVault/Core/Authentication/DevicePasscodeAuthenticator.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| // | ||
| // DevicePasscodeAuthenticator.swift | ||
| // PolkadotVault | ||
| // | ||
| // Created by Krzysztof Rodak on 28/12/2023. | ||
| // | ||
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| import Foundation | ||
| import LocalAuthentication | ||
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| protocol DevicePasscodeAuthenticatorProtocol { | ||
| /// This methods trigger passcode screen to authenticate user, if failed, will bring back "Unlock app" screen | ||
| /// | ||
| /// As we can't use `LAContext` to properly evaluate user authentication, as this would trigger biometry check | ||
| /// if set up. Hence we need to rely on fetching some seed from Keychain and with assumption that authentication | ||
| /// is used only when some seed is present this satisfies our requirements | ||
| /// - Returns: whether user is authenticated or not | ||
| func authenticateUser() -> Bool | ||
| } | ||
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| final class DevicePasscodeAuthenticator: DevicePasscodeAuthenticatorProtocol { | ||
| private let seedsMediator: SeedsMediating | ||
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| init( | ||
| seedsMediator: SeedsMediating = ServiceLocator.seedsMediator | ||
| ) { | ||
| self.seedsMediator = seedsMediator | ||
| } | ||
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| func authenticateUser() -> Bool { | ||
| guard let seedName = seedsMediator.seedNames.first else { return true } | ||
| return !seedsMediator.getSeed(seedName: seedName).isEmpty | ||
| } | ||
| } |
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