Bug 1650656 - Call CookieCommons::SchemeToSchemeType only when the scheme is supported, r=mayhemer

Differential Revision: https://phabricator.services.mozilla.com/D82491

netwerk/cookie/CookieServiceChild.cpp

@@ -331,6 +331,10 @@ CookieServiceChild::GetCookieStringFromDocument(Document* aDocument,
 
   nsCOMPtr<nsIPrincipal> principal = aDocument->EffectiveStoragePrincipal();
 
+  if (!CookieCommons::IsSchemeSupported(principal)) {
+    return NS_OK;
+  }
+
   nsICookie::schemeType schemeType =
       CookieCommons::PrincipalToSchemeType(principal);