From 500d4edae640250a361fd88a982e4d295d32f4ee Mon Sep 17 00:00:00 2001
From: Samuel Clay <samuel@ofbrooklyn.com>
Date: Mon, 10 Jan 2022 13:58:19 -0500
Subject: [PATCH] Fixing crash when url is not http[s] and using in app Safari.

---
 clients/ios/Classes/NewsBlurAppDelegate.m | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/clients/ios/Classes/NewsBlurAppDelegate.m b/clients/ios/Classes/NewsBlurAppDelegate.m
index 50ebd28fb..707d87594 100644
--- a/clients/ios/Classes/NewsBlurAppDelegate.m
+++ b/clients/ios/Classes/NewsBlurAppDelegate.m
@@ -2264,6 +2264,13 @@
 - (void)showSafariViewControllerWithURL:(NSURL *)url useReader:(BOOL)useReader {
     SFSafariViewControllerConfiguration *config = [SFSafariViewControllerConfiguration new];
     config.entersReaderIfAvailable = useReader;
+    
+    NSRange prefix = [[url absoluteString] rangeOfString: @"http"];
+    if (NSNotFound == prefix.location) {
+        [self informError:@"URL scheme invalid"];
+        return;
+    }
+    
     self.safariViewController = [[SFSafariViewController alloc] initWithURL:url configuration:config];
     self.safariViewController.delegate = self;
     [self.storyPagesViewController setNavigationBarHidden:NO];