Feat: display error if get-task-allow is absent

This notifies user that they are using an unsupported installation method (E-sign for example) that does not provide JIT permission.

Natives/LauncherMenuViewController.m

@@ -134,7 +134,7 @@
     [self.tableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewScrollPositionNone];
     [self tableView:self.tableView didSelectRowAtIndexPath:indexPath];
     
-    if (!getEntitlementValue(@"dynamic-codesigning")) {
+    if (getEntitlementValue(@"get-task-allow")) {
         [self displayProgress:localize(@"login.jit.checking", nil)];
         if (isJITEnabled(false)) {
             [self displayProgress:localize(@"login.jit.enabled", nil)];
@@ -142,6 +142,17 @@
         } else {
             [self enableJITWithAltKit];
         }
+    } else {
+        [self displayProgress:localize(@"login.jit.fail", nil)];
+        [self displayProgress:nil];
+        UIAlertController* alert = [UIAlertController alertControllerWithTitle:localize(@"login.jit.fail.title", nil)
+            message:localize(@"login.jit.fail.description_unsupported", nil)
+            preferredStyle:UIAlertControllerStyleAlert];
+        UIAlertAction* okAction = [UIAlertAction actionWithTitle:localize(@"OK", nil) style:UIAlertActionStyleDefault handler:^(id action){
+            exit(-1);
+        }];
+        [alert addAction:okAction];
+        [self presentViewController:alert animated:YES completion:nil];
     }
 }
 

Natives/main.m

@@ -140,7 +140,7 @@ void init_logDeviceAndVer(char *argument) {
     printEntitlementAvailability(@"com.apple.developer.kernel.extended-virtual-addressing");
     printEntitlementAvailability(@"com.apple.developer.kernel.increased-memory-limit");
     printEntitlementAvailability(@"com.apple.private.security.no-sandbox");
-    printEntitlementAvailability(@"dynamic-codesigning");
+    //printEntitlementAvailability(@"dynamic-codesigning");
 }
 
 void init_migrateDirIfNecessary() {

Natives/resources/en.lproj/Localizable.strings

@@ -88,6 +88,7 @@
 "login.jit.fail" = "JIT could not be enabled.";
 "login.jit.fail.title" = "JIT could not be enabled on your device.";
 "login.jit.fail.description" = "No integrations could be used to automatically enable JIT on your device, and it must now be enabled manually. Errors have been logged to latestlog.txt.";
+"login.jit.fail.description_unsupported" = "An unsupported installation method has been detected. Please reinstall using one of supported methods.";
 
 // Login buttons
 "login.menu.sendlogs" = "Send your logs";