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73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
/*
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* Copyright (c) 2024, Andrew Kaster <andrew@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibIPC/Decoder.h>
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#include <LibIPC/Encoder.h>
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#include <LibWeb/DOMURL/DOMURL.h>
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#include <LibWeb/HTML/Scripting/Environments.h>
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#include <LibWeb/StorageAPI/StorageKey.h>
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namespace Web::StorageAPI {
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// https://storage.spec.whatwg.org/#obtain-a-storage-key
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Optional<StorageKey> obtain_a_storage_key(HTML::Environment const& environment)
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{
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// 1. Let key be the result of running obtain a storage key for non-storage purposes with environment.
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auto key = obtain_a_storage_key_for_non_storage_purposes(environment);
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// AD-HOC: file:// URLs are opaque, but other browsers support storage on file:// URLs.
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if (key.origin.is_opaque_file_origin())
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key.origin = URL::Origin { "file"_string, String {}, {} };
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// 2. If key’s origin is an opaque origin, then return failure.
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if (key.origin.is_opaque())
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return {};
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// FIXME: 3. If the user has disabled storage, then return failure.
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// 4. Return key.
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return key;
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}
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StorageKey obtain_a_storage_key_for_non_storage_purposes(URL::Origin const& origin)
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{
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// NOTE: This function exists as there are cases where we don't have the full environment object, but we still need to obtain a storage key.
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return { origin };
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}
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// https://storage.spec.whatwg.org/#obtain-a-storage-key-for-non-storage-purposes
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StorageKey obtain_a_storage_key_for_non_storage_purposes(HTML::Environment const& environment)
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{
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// 1. Let origin be environment’s origin if environment is an environment settings object; otherwise environment’s creation URL’s origin.
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auto origin = [&]() {
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if (auto const* settings = as_if<HTML::EnvironmentSettingsObject>(environment))
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return settings->origin();
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return environment.creation_url.origin();
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}();
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// 2. Return a tuple consisting of origin.
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return { move(origin) };
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}
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}
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namespace IPC {
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template<>
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ErrorOr<void> encode(Encoder& encoder, Web::StorageAPI::StorageKey const& key)
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{
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TRY(encoder.encode(key.origin));
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return {};
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}
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template<>
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ErrorOr<Web::StorageAPI::StorageKey> decode(Decoder& decoder)
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{
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auto origin = TRY(decoder.decode<URL::Origin>());
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return Web::StorageAPI::StorageKey { move(origin) };
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}
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}
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