Set AutoLock with timer

Unfortunately the method to use Protected Data hooks didn't work because if you send the app to the background, then it won't receive the private data status change.
dnlkng · Jul 5, 2017 · d97f880 · d97f880
1 parent 8b21522
commit d97f880
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Showing 2 changed files with 13 additions and 4 deletions.
diff --git a/Settings/Base.lproj/Settings.storyboard b/Settings/Base.lproj/Settings.storyboard
@@ -2301,7 +2301,7 @@
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <color key="backgroundColor" cocoaTouchSystemColor="groupTableViewBackgroundColor"/>
                         <sections>
-                            <tableViewSection footerTitle="Lock Blink after the device awakes from sleep. Request Passcode or TouchID to unlock Blink." id="9Vo-jE-Sfm">
+                            <tableViewSection footerTitle="Lock Blink after 10 minutes in the background. Request Passcode or TouchID to unlock Blink." id="9Vo-jE-Sfm">
                                 <cells>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="none" indentationWidth="10" rowHeight="44" id="qGk-FE-K2U">
                                         <rect key="frame" x="0.0" y="35" width="375" height="44"/>

diff --git a/Settings/Security/BKTouchIDAuthManager.m b/Settings/Security/BKTouchIDAuthManager.m
@@ -35,6 +35,8 @@
 
 @import LocalAuthentication;
 
+#define MAX_INTERVAL_INACTIVE 10 * 60
+
 static BKTouchIDAuthManager *sharedManager = nil;
 static BOOL authRequired = NO;
 
@@ -45,7 +47,9 @@ @interface BKTouchIDAuthManager ()
 
 @end
 
-@implementation BKTouchIDAuthManager
+@implementation BKTouchIDAuthManager {
+  NSTimeInterval inactiveTimeStamp;
+}
 
 + (id)sharedManager
 {
@@ -72,7 +76,7 @@ - (instancetype)init
 - (void)registerforDeviceLockNotif
 {
   //Screen lock notifications
-  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(displayStatusChanged:) name:UIApplicationProtectedDataWillBecomeUnavailable object:nil];
+  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(displayStatusChanged:) name:UIApplicationDidEnterBackgroundNotification object:nil];
 //  CFNotificationCenterAddObserver(CFNotificationCenterGetDarwinNotifyCenter(), //center
 //				  NULL,                                        // observer
 //				  displayStatusChanged,                        // callback
@@ -93,6 +97,10 @@ - (void)registerforDeviceLockNotif
 
 - (void)didBecomeActive:(NSNotification *)notification
 {
+  if (authRequired == NO && inactiveTimeStamp != 0) {
+    authRequired = ([[NSDate date] timeIntervalSince1970] - inactiveTimeStamp) > MAX_INTERVAL_INACTIVE;
+  }
+  inactiveTimeStamp = 0;
   if ([BKTouchIDAuthManager requiresTouchAuth]) {
     [self authenticateUser];
   }
@@ -103,7 +111,8 @@ - (void)didBecomeActive:(NSNotification *)notification
 - (void) displayStatusChanged:(NSNotification *)notification
 {
   // the "com.apple.springboard.lockcomplete" notification will always come after the "com.apple.springboard.lockstate" notification
-  authRequired = YES;
+  inactiveTimeStamp = [[NSDate date] timeIntervalSince1970];
+  //authRequired = YES;
 }
 
 + (BOOL)requiresTouchAuth