7e7def71c1
This fixes the behavior of those methods for FilteredResponse subclasses as those only override the getter methods, not their private members.
218 lines
8.8 KiB
C++
218 lines
8.8 KiB
C++
/*
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* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/MainThreadVM.h>
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#include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
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#include <LibWeb/Fetch/Infrastructure/HTTP/Responses.h>
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namespace Web::Fetch::Infrastructure {
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Response::Response()
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: m_header_list(make_ref_counted<HeaderList>())
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{
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}
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NonnullRefPtr<Response> Response::create()
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{
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return adopt_ref(*new Response());
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}
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// https://fetch.spec.whatwg.org/#ref-for-concept-network-error%E2%91%A3
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// A network error is a response whose status is always 0, status message is always
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// the empty byte sequence, header list is always empty, and body is always null.
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NonnullRefPtr<Response> Response::aborted_network_error()
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{
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auto response = network_error();
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response->set_aborted(true);
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return response;
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}
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NonnullRefPtr<Response> Response::network_error()
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{
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auto response = Response::create();
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response->set_status(0);
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response->set_type(Type::Error);
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VERIFY(!response->body().has_value());
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return response;
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}
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// https://fetch.spec.whatwg.org/#concept-aborted-network-error
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bool Response::is_aborted_network_error() const
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{
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// A response whose type is "error" and aborted flag is set is known as an aborted network error.
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// NOTE: We have to use the virtual getter here to not bypass filtered responses.
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return type() == Type::Error && aborted();
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}
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// https://fetch.spec.whatwg.org/#concept-network-error
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bool Response::is_network_error() const
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{
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// A response whose type is "error" is known as a network error.
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// NOTE: We have to use the virtual getter here to not bypass filtered responses.
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return type() == Type::Error;
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}
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// https://fetch.spec.whatwg.org/#concept-response-url
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Optional<AK::URL const&> Response::url() const
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{
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// A response has an associated URL. It is a pointer to the last URL in response’s URL list and null if response’s URL list is empty.
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// NOTE: We have to use the virtual getter here to not bypass filtered responses.
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if (url_list().is_empty())
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return {};
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return url_list().last();
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}
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// https://fetch.spec.whatwg.org/#concept-response-location-url
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ErrorOr<Optional<AK::URL>> Response::location_url(Optional<String> const& request_fragment) const
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{
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// The location URL of a response response, given null or an ASCII string requestFragment, is the value returned by the following steps. They return null, failure, or a URL.
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// 1. If response’s status is not a redirect status, then return null.
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// NOTE: We have to use the virtual getter here to not bypass filtered responses.
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if (!is_redirect_status(status()))
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return Optional<AK::URL> {};
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// FIXME: 2. Let location be the result of extracting header list values given `Location` and response’s header list.
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auto location_value = ByteBuffer {};
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// 3. If location is a header value, then set location to the result of parsing location with response’s URL.
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auto location = AK::URL { StringView { location_value } };
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if (!location.is_valid())
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return Error::from_string_view("Invalid 'Location' header URL"sv);
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// 4. If location is a URL whose fragment is null, then set location’s fragment to requestFragment.
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if (location.fragment().is_null())
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location.set_fragment(request_fragment.value_or({}));
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// 5. Return location.
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return location;
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}
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// https://fetch.spec.whatwg.org/#concept-response-clone
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WebIDL::ExceptionOr<NonnullRefPtr<Response>> Response::clone() const
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{
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// To clone a response response, run these steps:
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auto& vm = Bindings::main_thread_vm();
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auto& realm = *vm.current_realm();
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// 1. If response is a filtered response, then return a new identical filtered response whose internal response is a clone of response’s internal response.
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if (is<FilteredResponse>(*this)) {
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auto internal_response = TRY(static_cast<FilteredResponse const&>(*this).internal_response()->clone());
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if (is<BasicFilteredResponse>(*this))
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return TRY_OR_RETURN_OOM(realm, BasicFilteredResponse::create(move(internal_response)));
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if (is<CORSFilteredResponse>(*this))
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return TRY_OR_RETURN_OOM(realm, CORSFilteredResponse::create(move(internal_response)));
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if (is<OpaqueFilteredResponse>(*this))
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return OpaqueFilteredResponse::create(move(internal_response));
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if (is<OpaqueRedirectFilteredResponse>(*this))
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return OpaqueRedirectFilteredResponse::create(move(internal_response));
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VERIFY_NOT_REACHED();
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}
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// 2. Let newResponse be a copy of response, except for its body.
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auto new_response = Infrastructure::Response::create();
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new_response->set_type(m_type);
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new_response->set_aborted(m_aborted);
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new_response->set_url_list(m_url_list);
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new_response->set_status(m_status);
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new_response->set_status_message(m_status_message);
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for (auto const& header : *m_header_list)
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MUST(new_response->header_list()->append(header));
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new_response->set_cache_state(m_cache_state);
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new_response->set_cors_exposed_header_name_list(m_cors_exposed_header_name_list);
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new_response->set_range_requested(m_range_requested);
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new_response->set_request_includes_credentials(m_request_includes_credentials);
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new_response->set_timing_allow_passed(m_timing_allow_passed);
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new_response->set_body_info(m_body_info);
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// FIXME: service worker timing info
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// 3. If response’s body is non-null, then set newResponse’s body to the result of cloning response’s body.
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if (m_body.has_value())
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new_response->set_body(TRY(m_body->clone()));
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// 4. Return newResponse.
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return new_response;
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}
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FilteredResponse::FilteredResponse(NonnullRefPtr<Response> internal_response)
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: m_internal_response(move(internal_response))
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{
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}
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FilteredResponse::~FilteredResponse()
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{
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}
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ErrorOr<NonnullRefPtr<BasicFilteredResponse>> BasicFilteredResponse::create(NonnullRefPtr<Response> internal_response)
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{
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// A basic filtered response is a filtered response whose type is "basic" and header list excludes
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// any headers in internal response’s header list whose name is a forbidden response-header name.
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auto header_list = make_ref_counted<HeaderList>();
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for (auto const& header : *internal_response->header_list()) {
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if (!is_forbidden_response_header_name(header.name))
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TRY(header_list->append(header));
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}
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return adopt_ref(*new BasicFilteredResponse(move(internal_response), move(header_list)));
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}
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BasicFilteredResponse::BasicFilteredResponse(NonnullRefPtr<Response> internal_response, NonnullRefPtr<HeaderList> header_list)
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: FilteredResponse(move(internal_response))
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, m_header_list(move(header_list))
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{
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}
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ErrorOr<NonnullRefPtr<CORSFilteredResponse>> CORSFilteredResponse::create(NonnullRefPtr<Response> internal_response)
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{
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// A CORS filtered response is a filtered response whose type is "cors" and header list excludes
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// any headers in internal response’s header list whose name is not a CORS-safelisted response-header
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// name, given internal response’s CORS-exposed header-name list.
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Vector<ReadonlyBytes> cors_exposed_header_name_list;
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for (auto const& header_name : internal_response->cors_exposed_header_name_list())
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cors_exposed_header_name_list.append(header_name.span());
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auto header_list = make_ref_counted<HeaderList>();
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for (auto const& header : *internal_response->header_list()) {
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if (is_cors_safelisted_response_header_name(header.name, cors_exposed_header_name_list))
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TRY(header_list->append(header));
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}
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return adopt_ref(*new CORSFilteredResponse(move(internal_response), move(header_list)));
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}
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CORSFilteredResponse::CORSFilteredResponse(NonnullRefPtr<Response> internal_response, NonnullRefPtr<HeaderList> header_list)
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: FilteredResponse(move(internal_response))
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, m_header_list(move(header_list))
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{
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}
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NonnullRefPtr<OpaqueFilteredResponse> OpaqueFilteredResponse::create(NonnullRefPtr<Response> internal_response)
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{
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// An opaque-redirect filtered response is a filtered response whose type is "opaqueredirect",
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// status is 0, status message is the empty byte sequence, header list is empty, and body is null.
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return adopt_ref(*new OpaqueFilteredResponse(move(internal_response)));
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}
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OpaqueFilteredResponse::OpaqueFilteredResponse(NonnullRefPtr<Response> internal_response)
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: FilteredResponse(move(internal_response))
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, m_header_list(make_ref_counted<HeaderList>())
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{
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}
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NonnullRefPtr<OpaqueRedirectFilteredResponse> OpaqueRedirectFilteredResponse::create(NonnullRefPtr<Response> internal_response)
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{
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return adopt_ref(*new OpaqueRedirectFilteredResponse(move(internal_response)));
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}
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OpaqueRedirectFilteredResponse::OpaqueRedirectFilteredResponse(NonnullRefPtr<Response> internal_response)
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: FilteredResponse(move(internal_response))
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, m_header_list(make_ref_counted<HeaderList>())
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{
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}
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}
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