[local_auth] Implemented plugin to support local auth in macOS

packages/local_auth/local_auth_darwin/CHANGELOG.md

@@ -1,3 +1,4 @@
 ## 1.2.0
 
 * Renames the package previously published as [`local_auth_ios`](https://pub.dev/packages/local_auth_ios)
+* Adds support for macOS

packages/local_auth/local_auth_darwin/README.md

@@ -1,6 +1,6 @@
 # local_auth_darwin
 
-The iOS implementation of [`local_auth`][1].
+The iOS and macOS implementation of [`local_auth`][1].
 
 ## Usage
 

packages/local_auth/local_auth_darwin/darwin/Classes/FLTLocalAuthPlugin.h

@@ -2,7 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#if TARGET_OS_OSX
+#import <FlutterMacOS/FlutterMacOS.h>
+#else
 #import <Flutter/Flutter.h>
+#endif
 
 #import "messages.g.h"
 

packages/local_auth/local_auth_darwin/darwin/Classes/FLTLocalAuthPlugin.m

@@ -156,6 +156,28 @@ - (void)showAlertWithMessage:(NSString *)message
           dismissButtonTitle:(NSString *)dismissButtonTitle
      openSettingsButtonTitle:(NSString *)openSettingsButtonTitle
                   completion:(FLAAuthCompletion)completion {
+#if TARGET_OS_OSX
+  NSAlert *alert = [[NSAlert alloc] init];
+  [alert setMessageText:@""];
+  [alert setInformativeText:message];
+
+  if (openSettingsButtonTitle != nil) {
+    [alert addButtonWithTitle:openSettingsButtonTitle];
+    [alert setShowsHelp:YES];
+    [alert setHelpAnchor:@"OpenSettings"];
+  }
+  [alert addButtonWithTitle:dismissButtonTitle];
+
+  NSModalResponse response = [alert runModal];
+
+  if (response == NSAlertFirstButtonReturn) {
+    NSURL *url = [NSURL URLWithString:@"x-apple.systempreferences:"];
+    [[NSWorkspace sharedWorkspace] openURL:url];
+    [self handleSucceeded:NO withCompletion:completion];
+  } else {
+    [self handleSucceeded:NO withCompletion:completion];
+  }
+#else
   UIAlertController *alert =
       [UIAlertController alertControllerWithTitle:@""
                                           message:message
@@ -185,6 +207,7 @@ - (void)showAlertWithMessage:(NSString *)message
   [[UIApplication sharedApplication].delegate.window.rootViewController presentViewController:alert
                                                                                      animated:YES
                                                                                    completion:nil];
+#endif
 }
 
 - (void)handleAuthReplyWithSuccess:(BOOL)success
@@ -260,7 +283,12 @@ - (void)handleError:(NSError *)authError
 
 #pragma mark - AppDelegate
 
-- (void)applicationDidBecomeActive:(UIApplication *)application {
+#if TARGET_OS_OSX
+- (void)applicationDidBecomeActive:(NSNotification *)notification
+#else
+- (void)applicationDidBecomeActive:(UIApplication *)application
+#endif
+{
   if (self.lastCallState != nil) {
     [self authenticateWithOptions:_lastCallState.options
                           strings:_lastCallState.strings

packages/local_auth/local_auth_darwin/darwin/Classes/FLTLocalAuthPlugin_Test.h

@@ -2,7 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#if TARGET_OS_OSX
+#import <FlutterMacOS/FlutterMacOS.h>
+#else
 #import <Flutter/Flutter.h>
+#endif
+
 #import <LocalAuthentication/LocalAuthentication.h>
 
 /**

packages/local_auth/local_auth_darwin/darwin/Classes/messages.g.h

@@ -33,7 +33,7 @@ typedef NS_ENUM(NSUInteger, FLAAuthResult) {
 - (instancetype)initWithValue:(FLAAuthResult)value;
 @end
 
-/// Pigeon equivalent of the subset of BiometricType used by iOS.
+/// Pigeon equivalent of the subset of BiometricType used by iOS and macOS.
 typedef NS_ENUM(NSUInteger, FLAAuthBiometric) {
   FLAAuthBiometricFace = 0,
   FLAAuthBiometricFingerprint = 1,
@@ -50,9 +50,10 @@ typedef NS_ENUM(NSUInteger, FLAAuthBiometric) {
 @class FLAAuthResultDetails;
 @class FLAAuthBiometricWrapper;
 
-/// Pigeon version of IOSAuthMessages, plus the authorization reason.
+/// Pigeon version of IOSAuthMessages and MacOSAuthMessages, plus the
+/// authorization reason.
 ///
-/// See auth_messages_ios.dart for details.
+/// See auth_messages_ios.dart and auth_messages_macos.dart for details.
 @interface FLAAuthStrings : NSObject
 /// `init` unavailable to enforce nonnull fields, see the `make` class method.
 - (instancetype)init NS_UNAVAILABLE;

packages/local_auth/local_auth_darwin/darwin/Classes/messages.g.m

@@ -41,7 +41,7 @@ - (instancetype)initWithValue:(FLAAuthResult)value {
 }
 @end
 
-/// Pigeon equivalent of the subset of BiometricType used by iOS.
+/// Pigeon equivalent of the subset of BiometricType used by iOS and macOS.
 @implementation FLAAuthBiometricBox
 - (instancetype)initWithValue:(FLAAuthBiometric)value {
   self = [super init];

packages/local_auth/local_auth_darwin/darwin/local_auth_darwin.podspec

@@ -16,9 +16,10 @@ Downloaded by pub (not CocoaPods).
   s.documentation_url = 'https://pub.dev/packages/local_auth_darwin'
   s.source_files = 'Classes/**/*'
   s.public_header_files = 'Classes/**/*.h'
-  s.dependency 'Flutter'
-  s.platform = :ios, '12.0'
+  s.ios.dependency 'Flutter'
+  s.osx.dependency 'FlutterMacOS'
+  s.ios.deployment_target = '12.0'
+  s.osx.deployment_target = '10.15'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
   s.resource_bundles = {'local_auth_darwin_privacy' => ['Resources/PrivacyInfo.xcprivacy']}
 end
-

packages/local_auth/local_auth_darwin/example/ios/Podfile

@@ -30,10 +30,10 @@ flutter_ios_podfile_setup
 target 'Runner' do
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
   target 'RunnerTests' do
-      inherit! :search_paths
+    inherit! :search_paths
 
-      pod 'OCMock','3.5'
-    end
+    pod 'OCMock','3.5'
+  end
 end
 
 post_install do |installer|

packages/local_auth/local_auth_darwin/example/ios/Runner/Info.plist

@@ -43,8 +43,8 @@
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
-        <key>NSFaceIDUsageDescription</key>
-        <string>App needs to authenticate using faces.</string>
+	<key>NSFaceIDUsageDescription</key>
+	<string>App needs to authenticate using faces.</string>
 	<key>CADisableMinimumFrameDurationOnPhone</key>
 	<true/>
 	<key>UIApplicationSupportsIndirectInputEvents</key>

packages/local_auth/local_auth_darwin/example/lib/main.dart

@@ -84,7 +84,10 @@ class _MyAppState extends State<MyApp> {
       });
       authenticated = await LocalAuthPlatform.instance.authenticate(
         localizedReason: 'Let OS determine authentication method',
-        authMessages: <AuthMessages>[const IOSAuthMessages()],
+        authMessages: <AuthMessages>[
+          const IOSAuthMessages(),
+          const MacOSAuthMessages(),
+        ],
         options: const AuthenticationOptions(
           stickyAuth: true,
         ),
@@ -118,7 +121,10 @@ class _MyAppState extends State<MyApp> {
       authenticated = await LocalAuthPlatform.instance.authenticate(
         localizedReason:
             'Scan your fingerprint (or face or whatever) to authenticate',
-        authMessages: <AuthMessages>[const IOSAuthMessages()],
+        authMessages: <AuthMessages>[
+          const IOSAuthMessages(),
+          const MacOSAuthMessages(),
+        ],
         options: const AuthenticationOptions(
           stickyAuth: true,
           biometricOnly: true,

packages/local_auth/local_auth_darwin/example/macos/.gitignore

@@ -0,0 +1,7 @@
+# Flutter-related
+**/Flutter/ephemeral/
+**/Pods/
+
+# Xcode-related
+**/dgph
+**/xcuserdata/

packages/local_auth/local_auth_darwin/example/macos/Flutter/Flutter-Debug.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"

packages/local_auth/local_auth_darwin/example/macos/Flutter/Flutter-Release.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"

packages/local_auth/local_auth_darwin/example/macos/Podfile

@@ -0,0 +1,46 @@
+platform :osx, '10.15'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\""
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_macos_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__))
+
+  target 'RunnerTests' do
+    inherit! :search_paths
+
+    pod 'OCMock','3.5'
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_macos_build_settings(target)
+  end
+end