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LibWeb: Implement "create navigation params from a srcdoc resource"

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Implements:
https://html.spec.whatwg.org/multipage/browsing-the-web.html#create-navigation-params-from-a-srcdoc-resource

This is supporting function for populating document in session history
entry.

This function populates navigation params response with HTML text
passed in document resource.
This commit is contained in:
Aliaksandr Kalenik 2023-04-05 09:57:45 +03:00 • committed by Andreas Kling
parent c235ee380f
commit e1c1aaa956
1 changed files with 69 additions and 1 deletions
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70
Userland/Libraries/LibWeb/HTML/Navigable.cpp
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@ -224,6 +224,74 @@ Vector<JS::NonnullGCPtr<SessionHistoryEntry>>& Navigable::get_session_history_en
VERIFY_NOT_REACHED();
}
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#create-navigation-params-from-a-srcdoc-resource
static WebIDL::ExceptionOr<NavigationParams> create_navigation_params_from_a_srcdoc_resource(JS::GCPtr<SessionHistoryEntry> entry, JS::GCPtr<Navigable> navigable, SourceSnapshotParams const&, Optional<String> navigation_id)
{
auto& vm = navigable->vm();
auto& realm = navigable->active_window()->realm();
// 1. Let documentResource be entry's document state's resource.
auto document_resource = entry->document_state->resource();
VERIFY(document_resource.has<String>());
// 2. Let response be a new response with
// URL: about:srcdoc
// header list: (`Content-Type`, `text/html`)
// body: the UTF-8 encoding of documentResource, as a body
auto response = Fetch::Infrastructure::Response::create(vm);
response->url_list().append(AK::URL("about:srcdoc"));
auto header = TRY_OR_THROW_OOM(vm, Fetch::Infrastructure::Header::from_string_pair("Content-Type"sv, "text/html"sv));
TRY_OR_THROW_OOM(vm, response->header_list()->append(move(header)));
response->set_body(TRY(Fetch::Infrastructure::byte_sequence_as_body(realm, document_resource.get<String>().bytes())));
// FIXME: 3. Let responseOrigin be the result of determining the origin given response's URL, targetSnapshotParams's sandboxing flags, null, and entry's document state's origin.
// 4. Let coop be a new cross-origin opener policy.
CrossOriginOpenerPolicy coop;
// 5. Let coopEnforcementResult be a new cross-origin opener policy enforcement result with
// url: response's URL
// FIXME: origin: responseOrigin
// cross-origin opener policy: coop
CrossOriginOpenerPolicyEnforcementResult coop_enforcement_result {
.url = *response->url(),
.origin = Origin {},
.cross_origin_opener_policy = coop
};
// FIXME: 6. Let policyContainer be the result of determining navigation params policy container given response's URL, entry's document state's history policy container, null, navigable's container document's policy container, and null.
// 7. Return a new navigation params, with
// id: navigationId
// request: null
// response: response
// FIXME: origin: responseOrigin
// FIXME: policy container: policyContainer
// FIXME: final sandboxing flag set: targetSnapshotParams's sandboxing flags
// cross-origin opener policy: coop
// COOP enforcement result: coopEnforcementResult
// reserved environment: null
// navigable: navigable
// FIXME: navigation timing type: navTimingType
// fetch controller: null
// commit early hints: null
HTML::NavigationParams navigation_params {
.id = navigation_id,
.request = {},
.response = *response,
.origin = Origin {},
.policy_container = PolicyContainer {},
.final_sandboxing_flag_set = SandboxingFlagSet {},
.cross_origin_opener_policy = move(coop),
.coop_enforcement_result = move(coop_enforcement_result),
.reserved_environment = {},
.browsing_context = navigable->active_browsing_context(),
.navigable = navigable,
};
return { navigation_params };
}
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#create-navigation-params-by-fetching
static WebIDL::ExceptionOr<Optional<NavigationParams>> create_navigation_params_by_fetching(JS::GCPtr<SessionHistoryEntry> entry, JS::GCPtr<Navigable> navigable, SourceSnapshotParams const& source_snapshot_params, Optional<String> navigation_id)
{
@ -506,7 +574,7 @@ WebIDL::ExceptionOr<void> Navigable::populate_session_history_entry_document(JS:
// of creating navigation params from a srcdoc resource given entry, navigable,
// targetSnapshotParams, navigationId, and navTimingType.
if (document_resource.has<String>()) {
TODO();
navigation_params = create_navigation_params_from_a_srcdoc_resource(entry, this, source_snapshot_params, navigation_id).release_value_but_fixme_should_propagate_errors();
}
// 2. Otherwise, if both of the following are true:
// - entry's URL's scheme is a fetch scheme; and