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LibWeb: Pass network error message to generated error page
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parent
4d97b29866
commit
b83e82c32c
Notes:
sideshowbarker
2024-07-16 21:45:42 +09:00
Author: https://github.com/circl-lastname Commit: https://github.com/LadybirdBrowser/ladybird/commit/b83e82c32c Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/209 Reviewed-by: https://github.com/ADKaster ✅
@ -22,5 +22,6 @@
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<img src="resource://icons/32x32/msgbox-warning.png" alt="Warning" width="24" height="24">
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<h1>Failed to load @failed_url@</h1>
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</header>
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<p>@error_message@</p>
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</body>
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</html>
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@ -681,7 +681,7 @@ static WebIDL::ExceptionOr<JS::NonnullGCPtr<NavigationParams>> create_navigation
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}
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#create-navigation-params-by-fetching
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static WebIDL::ExceptionOr<Variant<Empty, JS::NonnullGCPtr<NavigationParams>, JS::NonnullGCPtr<NonFetchSchemeNavigationParams>>> create_navigation_params_by_fetching(JS::GCPtr<SessionHistoryEntry> entry, JS::GCPtr<Navigable> navigable, SourceSnapshotParams const& source_snapshot_params, TargetSnapshotParams const& target_snapshot_params, CSPNavigationType csp_navigation_type, Optional<String> navigation_id)
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static WebIDL::ExceptionOr<Navigable::NavigationParamsVariant> create_navigation_params_by_fetching(JS::GCPtr<SessionHistoryEntry> entry, JS::GCPtr<Navigable> navigable, SourceSnapshotParams const& source_snapshot_params, TargetSnapshotParams const& target_snapshot_params, CSPNavigationType csp_navigation_type, Optional<String> navigation_id)
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{
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auto& vm = navigable->vm();
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auto& realm = navigable->active_window()->realm();
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@ -982,9 +982,14 @@ static WebIDL::ExceptionOr<Variant<Empty, JS::NonnullGCPtr<NavigationParams>, JS
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// - locationURL is failure; or
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// - locationURL is a URL whose scheme is a fetch scheme
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// then return null.
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if (response_holder->response()->is_network_error() || location_url.is_error() || (location_url.value().has_value() && Fetch::Infrastructure::is_fetch_scheme(location_url.value().value().scheme()))) {
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if (response_holder->response()->is_network_error()) {
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// AD-HOC: We pass the error message if we have one in NullWithError
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if (response_holder->response()->network_error_message().has_value() && !response_holder->response()->network_error_message().value().is_null())
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return response_holder->response()->network_error_message().value();
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else
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return Empty {};
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} else if (location_url.is_error() || (location_url.value().has_value() && Fetch::Infrastructure::is_fetch_scheme(location_url.value().value().scheme())))
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return Empty {};
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}
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// 22. Assert: locationURL is null and response is not a network error.
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VERIFY(!location_url.value().has_value());
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@ -1039,7 +1044,7 @@ WebIDL::ExceptionOr<void> Navigable::populate_session_history_entry_document(
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SourceSnapshotParams const& source_snapshot_params,
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TargetSnapshotParams const& target_snapshot_params,
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Optional<String> navigation_id,
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Variant<Empty, JS::NonnullGCPtr<NavigationParams>, JS::NonnullGCPtr<NonFetchSchemeNavigationParams>> navigation_params,
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Navigable::NavigationParamsVariant navigation_params,
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CSPNavigationType csp_navigation_type,
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bool allow_POST,
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JS::SafeFunction<void()> completion_steps)
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@ -1124,7 +1129,7 @@ WebIDL::ExceptionOr<void> Navigable::populate_session_history_entry_document(
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}
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// 4. Otherwise, if navigationParams is null, then set failure to true.
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if (navigation_params.has<Empty>()) {
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if (navigation_params.has<Empty>() || navigation_params.has<NullWithError>()) {
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failure = true;
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}
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@ -1141,8 +1146,9 @@ WebIDL::ExceptionOr<void> Navigable::populate_session_history_entry_document(
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if (failure) {
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// 1. Set entry's document state's document to the result of creating a document for inline content that doesn't have a DOM, given navigable, null, and navTimingType.
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// The inline content should indicate to the user the sort of error that occurred.
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// FIXME: Add error message to generated error page
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auto error_html = load_error_page(entry->url()).release_value_but_fixme_should_propagate_errors();
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auto error_message = navigation_params.has<NullWithError>() ? navigation_params.get<NullWithError>() : "Unknown error"sv;
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auto error_html = load_error_page(entry->url(), error_message).release_value_but_fixme_should_propagate_errors();
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entry->document_state()->set_document(create_document_for_inline_content(this, navigation_id, [error_html](auto& document) {
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auto parser = HTML::HTMLParser::create(document, error_html, "utf-8"sv);
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document.set_url(URL::URL("about:error"));
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@ -1427,7 +1433,7 @@ WebIDL::ExceptionOr<void> Navigable::navigate(NavigateParams params)
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history_entry->set_document_state(document_state);
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// 7. Let navigationParams be null.
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Variant<Empty, JS::NonnullGCPtr<NavigationParams>, JS::NonnullGCPtr<NonFetchSchemeNavigationParams>> navigation_params = Empty {};
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NavigationParamsVariant navigation_params = Empty {};
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// FIXME: 8. If response is non-null:
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if (response) {
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@ -52,6 +52,9 @@ class Navigable : public JS::Cell {
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public:
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virtual ~Navigable() override;
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using NullWithError = StringView;
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using NavigationParamsVariant = Variant<Empty, NullWithError, JS::NonnullGCPtr<NavigationParams>, JS::NonnullGCPtr<NonFetchSchemeNavigationParams>>;
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ErrorOr<void> initialize_navigable(JS::NonnullGCPtr<DocumentState> document_state, JS::GCPtr<Navigable> parent);
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Vector<JS::Handle<Navigable>> child_navigables() const;
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@ -123,7 +126,7 @@ public:
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SourceSnapshotParams const& source_snapshot_params,
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TargetSnapshotParams const& target_snapshot_params,
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Optional<String> navigation_id = {},
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Variant<Empty, JS::NonnullGCPtr<NavigationParams>, JS::NonnullGCPtr<NonFetchSchemeNavigationParams>> navigation_params = Empty {},
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NavigationParamsVariant navigation_params = Empty {},
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CSPNavigationType csp_navigation_type = CSPNavigationType::Other,
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bool allow_POST = false,
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JS::SafeFunction<void()> completion_steps = [] {});
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@ -26,7 +26,7 @@ void set_chrome_process_executable_path(StringView executable_path)
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s_chrome_process_executable_path = MUST(String::from_utf8(executable_path));
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}
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ErrorOr<String> load_error_page(URL::URL const& url)
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ErrorOr<String> load_error_page(URL::URL const& url, StringView error_message)
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{
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// Generate HTML error page from error template file
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// FIXME: Use an actual templating engine (our own one when it's built, preferably with a way to check these usages at compile time)
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@ -34,6 +34,7 @@ ErrorOr<String> load_error_page(URL::URL const& url)
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StringBuilder builder;
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SourceGenerator generator { builder };
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generator.set("failed_url", url.to_byte_string());
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generator.set("error_message", escape_html_entities(error_message));
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generator.append(template_file->data());
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return TRY(String::from_utf8(generator.as_string_view()));
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}
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@ -17,7 +17,7 @@ static String s_chrome_process_executable_path {};
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void set_chrome_process_command_line(StringView command_line);
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void set_chrome_process_executable_path(StringView executable_path);
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ErrorOr<String> load_error_page(URL::URL const&);
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ErrorOr<String> load_error_page(URL::URL const&, StringView error_message);
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ErrorOr<String> load_file_directory_page(URL::URL const&);
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