From 6b53b3dc2ee589d6b8c0ed0b852744dc9e3430bb Mon Sep 17 00:00:00 2001
From: Martin Williams <martinwork@users.noreply.github.com>
Date: Tue, 2 Jul 2024 21:24:45 +0100
Subject: [PATCH] Fetch WebView - whitelist URLs

---
 .../microbit/ui/activity/FetchActivity.java   | 31 ++++++++++++++++---
 1 file changed, 26 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/com/samsung/microbit/ui/activity/FetchActivity.java b/app/src/main/java/com/samsung/microbit/ui/activity/FetchActivity.java
index d35a506..26e28b4 100644
--- a/app/src/main/java/com/samsung/microbit/ui/activity/FetchActivity.java
+++ b/app/src/main/java/com/samsung/microbit/ui/activity/FetchActivity.java
@@ -867,6 +867,13 @@ private void displayUpdateDeviceName() {
         searchDrawable.setDeviceName(deviceName);
     }
 
+    private void openURL( String url) {
+        logi( "openURL: " + url);
+        Intent intent = new Intent(Intent.ACTION_VIEW);
+        intent.setData(Uri.parse( url));
+        startActivity(intent);
+    }
+
     /**
      * Display WebView
      */
@@ -896,8 +903,22 @@ private void displayHtmlInit() {
         mWebView.setWebViewClient(new WebViewClient() {
             @Override
             public boolean shouldOverrideUrlLoading(WebView view, String url) {
-                Log.v(TAG, "shouldOverrideUrlLoading: " + url);
-                return false;
+                logi( "shouldOverrideUrlLoading: " + url);
+                Uri uri = Uri.parse( url);
+                String scheme = uri.getScheme();
+                if ( scheme != null) {
+                    logi( "scheme: " + scheme);
+                    if ( scheme.compareToIgnoreCase( "file") == 0) {
+                        String path = displayHtmlGetPath().toLowerCase();
+                        if ( url.toLowerCase().contains( path)) {
+                            return false;
+                        }
+                        openURL( url);
+                        return true;
+                    }
+                }
+                openURL( url);
+                return true;
             }
 
             @Override
@@ -1048,9 +1069,9 @@ private void displayHtmlLoad() {
 
     private void displayHtmlGoBack() {
         if (displayHtmlGetURL().equals(mWebView.getUrl())) {
-            activityCancelled();
-        } else if (!mWebView.canGoBack()) {
-            activityCancelled();
+            activityComplete();
+        } else if ( !mWebView.canGoBack()) {
+            activityComplete();
         } else {
             mWebView.goBack();
         }