From 381f0176fdf40a2c83e35424c252c55a35a5ec70 Mon Sep 17 00:00:00 2001
From: Ivan Grachyov <mail@grachyov.com>
Date: Sun, 13 Jun 2021 15:39:31 +0300
Subject: [PATCH] Ask for owner authentication only when applicable

---
 Encrypted Ink/Agent.swift | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Encrypted Ink/Agent.swift b/Encrypted Ink/Agent.swift
index 6e519dc3..bb6bfa35 100644
--- a/Encrypted Ink/Agent.swift	
+++ b/Encrypted Ink/Agent.swift	
@@ -86,6 +86,13 @@ class Agent {
     
     private func proceedAfterAuthentication(reason: String, completion: @escaping (Bool) -> Void) {
         let context = LAContext()
+        
+        var error: NSError?
+        guard context.canEvaluatePolicy(.deviceOwnerAuthentication, error: &error) else {
+            completion(true)
+            return
+        }
+        
         context.localizedCancelTitle = "Cancel"
         context.evaluatePolicy(.deviceOwnerAuthentication, localizedReason: reason ) { success, _ in
             DispatchQueue.main.async {