mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-10-30 21:01:00 +00:00
afe2563e2b
This is needed to eventually share a header list between a Request or Response object's internal infra request/response and the object's exposed Header object.
182 lines
6.8 KiB
C++
182 lines
6.8 KiB
C++
/*
|
||
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
|
||
#include <LibWeb/Fetch/Infrastructure/HTTP/Responses.h>
|
||
|
||
namespace Web::Fetch::Infrastructure {
|
||
|
||
Response::Response()
|
||
: m_header_list(make_ref_counted<HeaderList>())
|
||
{
|
||
}
|
||
|
||
// https://fetch.spec.whatwg.org/#ref-for-concept-network-error%E2%91%A3
|
||
// A network error is a response whose status is always 0, status message is always
|
||
// the empty byte sequence, header list is always empty, and body is always null.
|
||
|
||
NonnullOwnPtr<Response> Response::aborted_network_error()
|
||
{
|
||
auto response = network_error();
|
||
response->set_aborted(true);
|
||
return response;
|
||
}
|
||
|
||
NonnullOwnPtr<Response> Response::network_error()
|
||
{
|
||
auto response = make<Response>();
|
||
response->set_status(0);
|
||
response->set_type(Type::Error);
|
||
VERIFY(!response->body().has_value());
|
||
return response;
|
||
}
|
||
|
||
// https://fetch.spec.whatwg.org/#concept-aborted-network-error
|
||
bool Response::is_aborted_network_error() const
|
||
{
|
||
// A response whose type is "error" and aborted flag is set is known as an aborted network error.
|
||
return m_type == Type::Error && m_aborted;
|
||
}
|
||
|
||
// https://fetch.spec.whatwg.org/#concept-network-error
|
||
bool Response::is_network_error() const
|
||
{
|
||
// A response whose type is "error" is known as a network error.
|
||
return m_type == Type::Error;
|
||
}
|
||
|
||
// https://fetch.spec.whatwg.org/#concept-response-url
|
||
Optional<AK::URL const&> Response::url() const
|
||
{
|
||
// 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.
|
||
if (m_url_list.is_empty())
|
||
return {};
|
||
return m_url_list.last();
|
||
}
|
||
|
||
// https://fetch.spec.whatwg.org/#concept-response-location-url
|
||
ErrorOr<Optional<AK::URL>> Response::location_url(Optional<String> const& request_fragment) const
|
||
{
|
||
// 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.
|
||
|
||
// 1. If response’s status is not a redirect status, then return null.
|
||
if (!is_redirect_status(m_status))
|
||
return Optional<AK::URL> {};
|
||
|
||
// FIXME: 2. Let location be the result of extracting header list values given `Location` and response’s header list.
|
||
auto location_value = ByteBuffer {};
|
||
|
||
// 3. If location is a header value, then set location to the result of parsing location with response’s URL.
|
||
auto location = AK::URL { StringView { location_value } };
|
||
if (!location.is_valid())
|
||
return Error::from_string_view("Invalid 'Location' header URL"sv);
|
||
|
||
// 4. If location is a URL whose fragment is null, then set location’s fragment to requestFragment.
|
||
if (location.fragment().is_null())
|
||
location.set_fragment(request_fragment.value_or({}));
|
||
|
||
// 5. Return location.
|
||
return location;
|
||
}
|
||
|
||
// https://fetch.spec.whatwg.org/#concept-response-clone
|
||
WebIDL::ExceptionOr<NonnullOwnPtr<Response>> Response::clone() const
|
||
{
|
||
// To clone a response response, run these steps:
|
||
|
||
// FIXME: 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.
|
||
|
||
// 2. Let newResponse be a copy of response, except for its body.
|
||
Optional<Body> tmp_body;
|
||
swap(tmp_body, const_cast<Optional<Body>&>(m_body));
|
||
auto new_response = make<Infrastructure::Response>(*this);
|
||
swap(tmp_body, const_cast<Optional<Body>&>(m_body));
|
||
|
||
// 3. If response’s body is non-null, then set newResponse’s body to the result of cloning response’s body.
|
||
if (m_body.has_value())
|
||
new_response->set_body(TRY(m_body->clone()));
|
||
|
||
// 4. Return newResponse.
|
||
return new_response;
|
||
}
|
||
|
||
FilteredResponse::FilteredResponse(Response& internal_response)
|
||
: m_internal_response(internal_response)
|
||
{
|
||
}
|
||
|
||
FilteredResponse::~FilteredResponse()
|
||
{
|
||
}
|
||
|
||
ErrorOr<NonnullOwnPtr<BasicFilteredResponse>> BasicFilteredResponse::create(Response& internal_response)
|
||
{
|
||
// A basic filtered response is a filtered response whose type is "basic" and header list excludes
|
||
// any headers in internal response’s header list whose name is a forbidden response-header name.
|
||
auto header_list = make_ref_counted<HeaderList>();
|
||
for (auto const& header : *internal_response.header_list()) {
|
||
if (!is_forbidden_response_header_name(header.name))
|
||
TRY(header_list->append(header));
|
||
}
|
||
|
||
return adopt_own(*new BasicFilteredResponse(internal_response, move(header_list)));
|
||
}
|
||
|
||
BasicFilteredResponse::BasicFilteredResponse(Response& internal_response, NonnullRefPtr<HeaderList> header_list)
|
||
: FilteredResponse(internal_response)
|
||
, m_header_list(move(header_list))
|
||
{
|
||
}
|
||
|
||
ErrorOr<NonnullOwnPtr<CORSFilteredResponse>> CORSFilteredResponse::create(Response& internal_response)
|
||
{
|
||
// A CORS filtered response is a filtered response whose type is "cors" and header list excludes
|
||
// any headers in internal response’s header list whose name is not a CORS-safelisted response-header
|
||
// name, given internal response’s CORS-exposed header-name list.
|
||
Vector<ReadonlyBytes> cors_exposed_header_name_list;
|
||
for (auto const& header_name : internal_response.cors_exposed_header_name_list())
|
||
cors_exposed_header_name_list.append(header_name.span());
|
||
|
||
auto header_list = make_ref_counted<HeaderList>();
|
||
for (auto const& header : *internal_response.header_list()) {
|
||
if (is_cors_safelisted_response_header_name(header.name, cors_exposed_header_name_list))
|
||
TRY(header_list->append(header));
|
||
}
|
||
|
||
return adopt_own(*new CORSFilteredResponse(internal_response, move(header_list)));
|
||
}
|
||
|
||
CORSFilteredResponse::CORSFilteredResponse(Response& internal_response, NonnullRefPtr<HeaderList> header_list)
|
||
: FilteredResponse(internal_response)
|
||
, m_header_list(move(header_list))
|
||
{
|
||
}
|
||
|
||
NonnullOwnPtr<OpaqueFilteredResponse> OpaqueFilteredResponse::create(Response& internal_response)
|
||
{
|
||
// An opaque-redirect filtered response is a filtered response whose type is "opaqueredirect",
|
||
// status is 0, status message is the empty byte sequence, header list is empty, and body is null.
|
||
return adopt_own(*new OpaqueFilteredResponse(internal_response));
|
||
}
|
||
|
||
OpaqueFilteredResponse::OpaqueFilteredResponse(Response& internal_response)
|
||
: FilteredResponse(internal_response)
|
||
, m_header_list(make_ref_counted<HeaderList>())
|
||
{
|
||
}
|
||
|
||
NonnullOwnPtr<OpaqueRedirectFilteredResponse> OpaqueRedirectFilteredResponse::create(Response& internal_response)
|
||
{
|
||
return adopt_own(*new OpaqueRedirectFilteredResponse(internal_response));
|
||
}
|
||
|
||
OpaqueRedirectFilteredResponse::OpaqueRedirectFilteredResponse(Response& internal_response)
|
||
: FilteredResponse(internal_response)
|
||
, m_header_list(make_ref_counted<HeaderList>())
|
||
{
|
||
}
|
||
|
||
}
|