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Add support for Face ID/Touch ID to app lock. (#1966)

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* Fix biometrics with low grace period and backgrounding before unlocked.

* Trigger permissions alert when enabling Face ID.
This commit is contained in:
Doug
2023-10-27 10:09:12 +01:00
committed by GitHub
parent 2eb8945824
commit 11563c6297
27 changed files with 598 additions and 92 deletions
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UnitTests/Sources/KeychainControllerTests.swift
+49 -3
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@@ -123,7 +123,7 @@ class KeychainControllerTests: XCTestCase {
// When setting a PIN code.
try keychain.setPINCode("0000")
// The the PIN code should be stored.
// Then the PIN code should be stored.
try XCTAssertTrue(keychain.containsPINCode(), "The keychain should contain the PIN code.")
XCTAssertEqual(keychain.pinCode(), "0000", "The stored PIN code should match what was set.")
}
@@ -137,7 +137,7 @@ class KeychainControllerTests: XCTestCase {
// When setting a different PIN code.
try keychain.setPINCode("1234")
// The the PIN code should be updated.
// Then the PIN code should be updated.
try XCTAssertTrue(keychain.containsPINCode(), "The keychain should still contain the PIN code.")
XCTAssertEqual(keychain.pinCode(), "1234", "The stored PIN code should match the new value.")
}
@@ -151,8 +151,54 @@ class KeychainControllerTests: XCTestCase {
// When removing the PIN code.
keychain.removePINCode()
// The the PIN code should no longer be stored.
// Then the PIN code should no longer be stored.
try XCTAssertFalse(keychain.containsPINCode(), "The keychain should no longer contain the PIN code.")
XCTAssertNil(keychain.pinCode(), "There shouldn't be a stored PIN code after removing it.")
}
func testAddPINCodeBiometricState() throws {
// Given a keychain without any biometric state.
XCTAssertFalse(keychain.containsPINCodeBiometricState(), "A new keychain shouldn't contain biometric state.")
XCTAssertNil(keychain.pinCodeBiometricState(), "A new keychain shouldn't return biometric state.")
// When setting the state.
let data: Data! = "Face ID".data(using: .utf8)
try keychain.setPINCodeBiometricState(data)
// Then the state should be stored.
XCTAssertTrue(keychain.containsPINCodeBiometricState(), "The keychain should contain the biometric state.")
XCTAssertEqual(keychain.pinCodeBiometricState(), data, "The stored biometric state should match what was set.")
}
func testUpdatePINCodeBiometricState() throws {
// Given a keychain that contains PIN code biometric state.
let data: Data! = "😃".data(using: .utf8)
try keychain.setPINCodeBiometricState(data)
XCTAssertTrue(keychain.containsPINCodeBiometricState(), "The keychain should contain the biometric state.")
XCTAssertEqual(keychain.pinCodeBiometricState(), data, "The stored biometric state should match what was set.")
// When setting different state.
let newData: Data! = "😎".data(using: .utf8)
try keychain.setPINCodeBiometricState(newData)
// Then the state should be updated.
XCTAssertTrue(keychain.containsPINCodeBiometricState(), "The keychain should still contain biometric state.")
XCTAssertNotEqual(keychain.pinCodeBiometricState(), data, "The stored biometric state shouldn't match the old value.")
XCTAssertEqual(keychain.pinCodeBiometricState(), newData, "The stored biometric state should match the new value.")
}
func testRemovePINCodeBiometricState() throws {
// Given a keychain that contains PIN code biometric state.
let data: Data! = "Face ID".data(using: .utf8)
try keychain.setPINCodeBiometricState(data)
XCTAssertTrue(keychain.containsPINCodeBiometricState(), "The keychain should contain the biometric state.")
XCTAssertEqual(keychain.pinCodeBiometricState(), data, "The stored biometric state should match what was set.")
// When removing the state.
keychain.removePINCodeBiometricState()
// Then the state should no longer be stored.
XCTAssertFalse(keychain.containsPINCodeBiometricState(), "The keychain should no longer contain the biometric state.")
XCTAssertNil(keychain.pinCodeBiometricState(), "There shouldn't be any stored biometric state after removing it.")
}
}