Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/Fetch/Infrastructure/NetworkPartitionKey.cpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Fetch/Infrastructure/NetworkPartitionKey.h>
+#include <LibWeb/Fetch/Request.h>
+
+namespace Web::Fetch::Infrastructure {
+
+// https://fetch.spec.whatwg.org/#determine-the-network-partition-key
+NetworkPartitionKey determine_the_network_partition_key(HTML::Environment const& environment)
+{
+    // 1. Let topLevelOrigin be environment’s top-level origin.
+    auto top_level_origin = environment.top_level_origin;
+
+    // FIXME: 2. If topLevelOrigin is null, then set topLevelOrigin to environment’s top-level creation URL’s origin
+    // This field is supposed to be nullable
+
+    // 3. Assert: topLevelOrigin is an origin.
+
+    // FIXME: 4. Let topLevelSite be the result of obtaining a site, given topLevelOrigin.
+
+    // 5. Let secondKey be null or an implementation-defined value.
+    void* second_key = nullptr;
+
+    // 6. Return (topLevelSite, secondKey).
+    return { top_level_origin, second_key };
+}
+
+// https://fetch.spec.whatwg.org/#request-determine-the-network-partition-key
+Optional<NetworkPartitionKey> determine_the_network_partition_key(Infrastructure::Request const& request)
+{
+    // 1. If request’s reserved client is non-null, then return the result of determining the network partition key given request’s reserved client.
+    if (auto reserved_client = request.reserved_client())
+        return determine_the_network_partition_key(*reserved_client);
+
+    // 2. If request’s client is non-null, then return the result of determining the network partition key given request’s client.
+    if (auto client = request.client())
+        return determine_the_network_partition_key(*client);
+
+    return {};
+}
+
+}