feat: add UnlockView with biometric and password unlock

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WYqycDFsynHH9VnnK7LNSf
2026-09-19 15:58:15 +02:00
parent ef52cb9804
commit 543a063528
2 changed files with 174 additions and 0 deletions
@@ -0,0 +1,86 @@
+//
+//  UnlockViewModel.swift
+//  MyPass
+//
+
+import Foundation
+import Combine
+import MyPassCore
+
+@MainActor
+final class UnlockViewModel: ObservableObject {
+    @Published var password: String = ""
+    @Published var errorMessage: String?
+    @Published var isUnlocking: Bool = false
+    @Published var showFilePicker: Bool = false
+
+    private let session: VaultSession
+    private let bookmarkService: FileBookmarkService
+    private let keychainStore: KeychainStore
+    private let biometricService: BiometricAuthService
+
+    private let keychainAccount = "masterPassword"
+
+    init(
+        session: VaultSession,
+        bookmarkService: FileBookmarkService = .init(),
+        keychainStore: KeychainStore = .init(accessGroup: "org.antiloop222.mypass"),
+        biometricService: BiometricAuthService = .init()
+    ) {
+        self.session = session
+        self.bookmarkService = bookmarkService
+        self.keychainStore = keychainStore
+        self.biometricService = biometricService
+    }
+
+    var canUseBiometrics: Bool {
+        biometricService.isAvailable && keychainStore.exists(for: keychainAccount)
+    }
+
+    var hasVault: Bool { bookmarkService.hasBookmark }
+
+    func unlockWithBiometrics() {
+        Task {
+            isUnlocking = true
+            errorMessage = nil
+            do {
+                try await biometricService.authenticate(reason: "Unlock MyPass")
+                let storedPassword = try keychainStore.load(for: keychainAccount)
+                let url = try bookmarkService.resolveURL()
+                defer { bookmarkService.stopAccess(url: url) }
+                try session.unlock(url: url, password: storedPassword)
+            } catch {
+                errorMessage = error.localizedDescription
+            }
+            isUnlocking = false
+        }
+    }
+
+    func unlockWithPassword() {
+        Task {
+            isUnlocking = true
+            errorMessage = nil
+            do {
+                let url = try bookmarkService.resolveURL()
+                defer { bookmarkService.stopAccess(url: url) }
+                try session.unlock(url: url, password: password)
+                try keychainStore.save(password: password, for: keychainAccount)
+                password = ""
+            } catch KDBXError.invalidPassword {
+                errorMessage = "Incorrect password."
+            } catch {
+                errorMessage = error.localizedDescription
+            }
+            isUnlocking = false
+        }
+    }
+
+    func openFile(url: URL) {
+        do {
+            try bookmarkService.save(url: url)
+            unlockWithPassword()
+        } catch {
+            errorMessage = error.localizedDescription
+        }
+    }
+}