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LibWeb: Stub out 'check if access between two BCs should be reported'

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I put this is a CrossOrigin/ subdirectory in anticipation of a lot more
cross-origin related ground to cover. :^)
This commit is contained in:
Linus Groh 2022-03-08 19:32:35 +01:00
parent ae96eae4f9
commit 6f941433d6
3 changed files with 68 additions and 0 deletions
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44
Userland/Libraries/LibWeb/HTML/CrossOrigin/Reporting.cpp Normal file
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/*
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/PropertyKey.h>
#include <LibWeb/Bindings/CrossOriginAbstractOperations.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/CrossOrigin/Reporting.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/origin.html#coop-check-access-report
void check_if_access_between_two_browsing_contexts_should_be_reported(BrowsingContext const& accessor, BrowsingContext const& accessed, JS::PropertyKey const& property_key, EnvironmentSettingsObject const& environment)
{
// 1. If P is not a cross-origin accessible window property name, then return.
if (!Bindings::is_cross_origin_accessible_window_property_name(property_key))
return;
// FIXME: 2. If accessor's active document's origin or any of its ancestors' active document's origins are not same origin with accessor's top-level browsing context's active document's origin, or if accessed's active document's origin or any of its ancestors' active document's origins are not same origin with accessed's top-level browsing context's active document's origin, then return.
// NOTE: This avoids leaking information about cross-origin iframes to a top level frame with cross-origin opener policy reporting.
// FIXME: 3. If accessor's top-level browsing context's virtual browsing context group ID is accessed's top-level browsing context's virtual browsing context group ID, then return.
// 4. Let accessorAccessedRelationship be a new accessor-accessed relationship with value none.
auto accessor_accessed_relationship = AccessorAccessedRelationship::None;
// FIXME: 5. If accessed's top-level browsing context's opener browsing context is accessor or an ancestor of accessor, then set accessorAccessedRelationship to accessor is opener.
if (false)
accessor_accessed_relationship = AccessorAccessedRelationship::AccessorIsOpener;
// FIXME: 6. If accessor's top-level browsing context's opener browsing context is accessed or an ancestor of accessed, then set accessorAccessedRelationship to accessor is openee.
if (false)
accessor_accessed_relationship = AccessorAccessedRelationship::AccessorIsOpenee;
// FIXME: 7. Queue violation reports for accesses, given accessorAccessedRelationship, accessor's top-level browsing context's active document's cross-origin opener policy, accessed's top-level browsing context's active document's cross-origin opener policy, accessor's active document's URL, accessed's active document's URL, accessor's top-level browsing context's initial URL, accessed's top-level browsing context's initial URL, accessor's active document's origin, accessed's active document's origin, accessor's top-level browsing context's opener origin at creation, accessed's top-level browsing context's opener origin at creation, accessor's top-level browsing context's active document's referrer, accessed's top-level browsing context's active document's referrer, P, and environment.
(void)accessor;
(void)accessed;
(void)environment;
(void)accessor_accessed_relationship;
}
}