ladybird/Libraries/LibWebView/SiteIsolation.cpp
Luke Wilde 61c1e4a855 LibWebView: Keep javascript URL navigations in the same process
JavaScript URLs run in the same document context the navigation was
started in, so they're not eligible to be moved to a new WebContent
process.

Fixes the "Login as demo user" link on https://demo.immich.app/
2025-03-16 10:59:41 -04:00

45 lines
1.3 KiB
C++

/*
* Copyright (c) 2025, Tim Flynn <trflynn89@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibURL/URL.h>
#include <LibWeb/Fetch/Infrastructure/URL.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWebView/SiteIsolation.h>
namespace WebView {
static bool s_site_isolation_enabled = true;
void disable_site_isolation()
{
s_site_isolation_enabled = false;
}
bool is_url_suitable_for_same_process_navigation(URL::URL const& current_url, URL::URL const& target_url)
{
if (!s_site_isolation_enabled)
return true;
// Allow navigating from about:blank to any site.
if (Web::HTML::url_matches_about_blank(current_url))
return true;
// Make sure JavaScript URLs run in the same process.
if (target_url.scheme() == "javascript"sv)
return true;
// Allow cross-scheme non-HTTP(S) navigation. Disallow cross-scheme HTTP(s) navigation.
auto current_url_is_http = Web::Fetch::Infrastructure::is_http_or_https_scheme(current_url.scheme());
auto target_url_is_http = Web::Fetch::Infrastructure::is_http_or_https_scheme(target_url.scheme());
if (!current_url_is_http || !target_url_is_http)
return !current_url_is_http && !target_url_is_http;
// Disallow cross-site HTTP(S) navigation.
return current_url.origin().is_same_site(target_url.origin());
}
}