EMP: added back EMP entry/exit points as it was in 0.6.1 but with option to enable/disable it via settings

AltStore/AppDelegate.swift

@@ -14,6 +14,7 @@ import Intents
 import AltStoreCore
 import AltSign
 import Roxas
+import EmotionalDamage
 
 import Nuke
 
@@ -98,7 +99,9 @@ final class AppDelegate: UIResponder, UIApplicationDelegate {
         self.prepareImageCache()
 
         // TODO: @mahee96: find if we need to start em_proxy as in altstore?
-        // start_em_proxy(bind_addr: Consts.Proxy.serverURL)
+        if UserDefaults.standard.enableEMPforWireguard {
+            start_em_proxy(bind_addr: Consts.Proxy.serverURL)
+        }
 
         SecureValueTransformer.register()        
         
@@ -123,7 +126,9 @@ final class AppDelegate: UIResponder, UIApplicationDelegate {
     {
         // Make sure to update SceneDelegate.sceneDidEnterBackground() as well.
         // TODO: @mahee96: find if we need to stop em_proxy as in altstore?
-        // stop_em_proxy()
+        if UserDefaults.standard.enableEMPforWireguard {
+            stop_em_proxy()
+        }
         guard let oneMonthAgo = Calendar.current.date(byAdding: .month, value: -1, to: Date()) else { return }
         
         let midnightOneMonthAgo = Calendar.current.startOfDay(for: oneMonthAgo)
@@ -140,6 +145,9 @@ final class AppDelegate: UIResponder, UIApplicationDelegate {
     func applicationWillEnterForeground(_ application: UIApplication)
     {
         AppManager.shared.update()
+        if UserDefaults.standard.enableEMPforWireguard {
+            start_em_proxy(bind_addr: Consts.Proxy.serverURL)
+        }
 
         PatreonAPI.shared.refreshPatreonAccount()
     }