From 7691228ce8e11ea67e8642a33cf685c59a1c4c44 Mon Sep 17 00:00:00 2001
From: Fernando Bunn <bunn@idevzilla.com>
Date: Tue, 26 Sep 2023 16:41:31 +0100
Subject: [PATCH] Fix URL deeplink (#2035)

---
 Core/AppDeepLinkSchemes.swift             | 13 ++++++++++++-
 DuckDuckGo/AppDelegate+AppDeepLinks.swift | 13 ++++++++++---
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/Core/AppDeepLinkSchemes.swift b/Core/AppDeepLinkSchemes.swift
index 55e6868e46..c88f697cbc 100644
--- a/Core/AppDeepLinkSchemes.swift
+++ b/Core/AppDeepLinkSchemes.swift
@@ -45,10 +45,21 @@ public enum AppDeepLinkSchemes: String, CaseIterable {
     }
 
     public static func query(fromQuickLink url: URL) -> String {
-        return url.absoluteString
+        let query = url.absoluteString
             .replacingOccurrences(of: AppDeepLinkSchemes.quickLink.url.absoluteString,
                                   with: "",
                                   options: .caseInsensitive)
+
+        return AppDeepLinkSchemes.fixURLScheme(query)
     }
 
+    private static func fixURLScheme(_ urlString: String) -> String {
+        let pattern = "^https?//"
+
+        if urlString.range(of: pattern, options: .regularExpression) != nil {
+            return urlString.replacingOccurrences(of: "//", with: "://")
+        } else {
+            return urlString
+        }
+    }
 }
diff --git a/DuckDuckGo/AppDelegate+AppDeepLinks.swift b/DuckDuckGo/AppDelegate+AppDeepLinks.swift
index 56a36880a1..1c90feac0e 100644
--- a/DuckDuckGo/AppDelegate+AppDeepLinks.swift
+++ b/DuckDuckGo/AppDelegate+AppDeepLinks.swift
@@ -31,13 +31,11 @@ extension AppDelegate {
             mainViewController.newTab(reuseExisting: true)
             mainViewController.enterSearch()
 
-
         case .favorites:
             mainViewController.newTab(reuseExisting: true, allowingKeyboard: false)
 
         case .quickLink:
-            let query = AppDeepLinkSchemes.query(fromQuickLink: url)
-            mainViewController.loadQueryInNewTab(query, reuseExisting: true)
+            handleQuickLink(url, mainViewController)
 
         case .addFavorite:
             mainViewController.startAddFavoriteFlow()
@@ -67,4 +65,13 @@ extension AppDelegate {
         return true
     }
 
+    private func handleQuickLink(_ url: URL, _ mainViewController: MainViewController) {
+        let query = AppDeepLinkSchemes.query(fromQuickLink: url)
+        if let url = URL(string: query) {
+            mainViewController.loadUrlInNewTab(url, reuseExisting: true, inheritedAttribution: nil)
+        } else {
+            mainViewController.loadQueryInNewTab(query, reuseExisting: true)
+        }
+    }
+
 }