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ladybird/Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Requests.cpp

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LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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/*
LibWeb/Fetch: Port infrastructure to new String
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* Copyright (c) 2022-2023, Linus Groh <linusg@serenityos.org>
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Array.h>
LibWeb: Make Fetch::Infrastructure::{Request,Response,HeaderList} GC'd This is the way. On a more serious note, there's no reason to keep adding ref-counted classes to LibWeb now that the majority of classes is GC'd - it only adds the risk of discovering some cycle down the line, and forces us to use handles as we can't visit().
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#include <LibJS/Heap/Heap.h>
#include <LibJS/Runtime/Realm.h>
LibWeb: Rename URL platform object to DOMURL Along with putting functions in the URL namespace into a DOMURL namespace. This is done as LibWeb is in an awkward situation where it needs two URL classes. AK::URL is the general purpose URL class which is all that is needed in 95% of cases. URL in the Web namespace is needed predominantly for interfacing with the javascript interfaces. Because of two URLs in the same namespace, AK::URL has had to be used throughout LibWeb. If we move AK::URL into a URL namespace, this becomes more painful - where ::URL::URL is required to specify the constructor (and something like ::URL::create_with_url_or_path in other places). To fix this problem - rename the class in LibWeb implementing the URL IDL interface to DOMURL, along with moving the other Web URL related classes into this DOMURL folder. One could argue that this name also makes the situation a little more clear in LibWeb for why these two URL classes need be used in the first place.
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#include <LibWeb/DOMURL/DOMURL.h>
LibWeb: Register PendingResponse with a Request to keep it alive This was an oversight from when I converted PendingResponse and various other classes from being ref-counted to GC-allocated last minute - no one takes care to keep all of them alive. Some are on the stack, and some might be captured in another PendingResponse's JS::SafeFunction, but ultimately, we need a better solution. Since a PendingResponse is *always* the result of someone having created a Request, let's just let that keep a list of each PendingResponse that has been created for it, and visit them until they are resolved. After that, they can be GC'd with no complaints.
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#include <LibWeb/Fetch/Fetching/PendingResponse.h>
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#include <LibWeb/Fetch/Infrastructure/HTTP/Requests.h>
LibWeb: Move Fetch infra into the Web::Fetch::Infrastructure namespace The Fetch spec unfortunately will cause a name clash between the Request concept and the Request JS object - both cannot live in the Web::Fetch namespace, and WrapperGenerator generally assumes `Web::<Name>` for things living in the `<Name>/` subdirectory, so let's instead move infra code into its own namespace - it already sits in a (sub-)subdirectory anyway.
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namespace Web::Fetch::Infrastructure {
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LibWeb: Put most LibWeb GC objects in type-specific heap blocks With this change, we now have ~1200 CellAllocators across both LibJS and LibWeb in a normal WebContent instance. This gives us a minimum heap size of 4.7 MiB in the scenario where we only have one cell allocated per type. Of course, in practice there will be many more of each type, so the effective overhead is quite a bit smaller than that in practice. I left a few types unconverted to this mechanism because I got tired of doing this. :^)
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JS_DEFINE_ALLOCATOR(Request);
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Request::Request(JS::NonnullGCPtr<HeaderList> header_list)
: m_header_list(header_list)
LibWeb: Make HeaderList ref-counted 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.
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{
}
LibWeb: Make Fetch::Infrastructure::{Request,Response,HeaderList} GC'd This is the way. On a more serious note, there's no reason to keep adding ref-counted classes to LibWeb now that the majority of classes is GC'd - it only adds the risk of discovering some cycle down the line, and forces us to use handles as we can't visit().
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void Request::visit_edges(JS::Cell::Visitor& visitor)
LibWeb: Make Fetch::Infrastructure::{Request,Response} ref-counted With the addition of the 'fetch params' struct, the single ownership model we had so far falls apart completely. Additionally, this works nicely for FilteredResponse's internal response instead of risking a dangling reference. Replacing the public constructor with a create() function also found a few instances of a Request being stack-allocated!
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{
LibWeb: Make Fetch::Infrastructure::{Request,Response,HeaderList} GC'd This is the way. On a more serious note, there's no reason to keep adding ref-counted classes to LibWeb now that the majority of classes is GC'd - it only adds the risk of discovering some cycle down the line, and forces us to use handles as we can't visit().
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Base::visit_edges(visitor);
visitor.visit(m_header_list);
LibJS+LibWeb: Add missing visit calls in visit_edges implementations
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visitor.visit(m_client);
LibWeb: Make `Fetch::Infrastructure::Body` be GC allocated Making the body GC-allocated allows us to avoid using `JS::Handle` for `m_stream` in its members.
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m_body.visit(
LibWeb: Fix `Request::visit_edges` to actually visit `m_body` This fixes bug introduced in bdd3a16b16c99bd6342ad34b629b89a510942699 that `m_body` is not visited because `BodyType` variant has `JS::NonnullGCPtr` instead of `JS::GCPtr`.
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[&](JS::NonnullGCPtr<Body>& body) { visitor.visit(body); },
LibWeb: Make `Fetch::Infrastructure::Body` be GC allocated Making the body GC-allocated allows us to avoid using `JS::Handle` for `m_stream` in its members.
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[](auto&) {});
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m_reserved_client.visit(
[&](JS::GCPtr<HTML::EnvironmentSettingsObject> const& value) { visitor.visit(value); },
[](auto const&) {});
m_window.visit(
[&](JS::GCPtr<HTML::EnvironmentSettingsObject> const& value) { visitor.visit(value); },
[](auto const&) {});
for (auto const& pending_response : m_pending_responses)
LibWeb: Register PendingResponse with a Request to keep it alive This was an oversight from when I converted PendingResponse and various other classes from being ref-counted to GC-allocated last minute - no one takes care to keep all of them alive. Some are on the stack, and some might be captured in another PendingResponse's JS::SafeFunction, but ultimately, we need a better solution. Since a PendingResponse is *always* the result of someone having created a Request, let's just let that keep a list of each PendingResponse that has been created for it, and visit them until they are resolved. After that, they can be GC'd with no complaints.
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visitor.visit(pending_response);
LibWeb: Make Fetch::Infrastructure::{Request,Response,HeaderList} GC'd This is the way. On a more serious note, there's no reason to keep adding ref-counted classes to LibWeb now that the majority of classes is GC'd - it only adds the risk of discovering some cycle down the line, and forces us to use handles as we can't visit().
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}
JS::NonnullGCPtr<Request> Request::create(JS::VM& vm)
{
LibJS: Convert Heap::allocate{,_without_realm}() to NonnullGCPtr
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return vm.heap().allocate_without_realm<Request>(HeaderList::create(vm));
LibWeb: Make Fetch::Infrastructure::{Request,Response} ref-counted With the addition of the 'fetch params' struct, the single ownership model we had so far falls apart completely. Additionally, this works nicely for FilteredResponse's internal response instead of risking a dangling reference. Replacing the public constructor with a create() function also found a few instances of a Request being stack-allocated!
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}
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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// https://fetch.spec.whatwg.org/#concept-request-url
Everywhere: Use unqualified AK::URL Now possible in LibWeb now that there is no longer a Web::URL.
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URL& Request::url()
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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{
// A request has an associated URL (a URL).
// NOTE: Implementations are encouraged to make this a pointer to the first URL in request’s URL list. It is provided as a distinct field solely for the convenience of other standards hooking into Fetch.
VERIFY(!m_url_list.is_empty());
return m_url_list.first();
}
LibWeb: Add non-const variants of Request::{current_,}url()
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// https://fetch.spec.whatwg.org/#concept-request-url
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URL const& Request::url() const
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{
return const_cast<Request&>(*this).url();
}
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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// https://fetch.spec.whatwg.org/#concept-request-current-url
Everywhere: Use unqualified AK::URL Now possible in LibWeb now that there is no longer a Web::URL.
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URL& Request::current_url()
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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{
// A request has an associated current URL. It is a pointer to the last URL in request’s URL list.
VERIFY(!m_url_list.is_empty());
return m_url_list.last();
}
LibWeb: Add non-const variants of Request::{current_,}url()
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// https://fetch.spec.whatwg.org/#concept-request-current-url
Everywhere: Use unqualified AK::URL Now possible in LibWeb now that there is no longer a Web::URL.
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URL const& Request::current_url() const
LibWeb: Add non-const variants of Request::{current_,}url()
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{
return const_cast<Request&>(*this).current_url();
}
Everywhere: Use unqualified AK::URL Now possible in LibWeb now that there is no longer a Web::URL.
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void Request::set_url(URL url)
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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{
// Sometimes setting the URL and URL list are done as two distinct steps in the spec,
// but since we know the URL is always the URL list's first item and doesn't change later
// on, we can combine them.
LibWeb: Implement '5.4. Request class' from the Fetch API :^)
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if (!m_url_list.is_empty())
m_url_list.clear();
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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m_url_list.append(move(url));
}
// https://fetch.spec.whatwg.org/#request-destination-script-like
bool Request::destination_is_script_like() const
{
// A request’s destination is script-like if it is "audioworklet", "paintworklet", "script", "serviceworker", "sharedworker", or "worker".
static constexpr Array script_like_destinations = {
Destination::AudioWorklet,
Destination::PaintWorklet,
Destination::Script,
Destination::ServiceWorker,
Destination::SharedWorker,
Destination::Worker,
};
return any_of(script_like_destinations, [this](auto destination) {
return m_destination == destination;
});
}
// https://fetch.spec.whatwg.org/#subresource-request
bool Request::is_subresource_request() const
{
// A subresource request is a request whose destination is "audio", "audioworklet", "font", "image", "manifest", "paintworklet", "script", "style", "track", "video", "xslt", or the empty string.
static constexpr Array subresource_request_destinations = {
Destination::Audio,
Destination::AudioWorklet,
Destination::Font,
Destination::Image,
Destination::Manifest,
Destination::PaintWorklet,
Destination::Script,
Destination::Style,
Destination::Track,
Destination::Video,
Destination::XSLT,
};
return any_of(subresource_request_destinations, [this](auto destination) {
return m_destination == destination;
}) || !m_destination.has_value();
}
// https://fetch.spec.whatwg.org/#non-subresource-request
bool Request::is_non_subresource_request() const
{
// A non-subresource request is a request whose destination is "document", "embed", "frame", "iframe", "object", "report", "serviceworker", "sharedworker", or "worker".
static constexpr Array non_subresource_request_destinations = {
Destination::Document,
Destination::Embed,
Destination::Frame,
Destination::IFrame,
Destination::Object,
Destination::Report,
Destination::ServiceWorker,
Destination::SharedWorker,
Destination::Worker,
};
return any_of(non_subresource_request_destinations, [this](auto destination) {
return m_destination == destination;
});
}
// https://fetch.spec.whatwg.org/#navigation-request
bool Request::is_navigation_request() const
{
// A navigation request is a request whose destination is "document", "embed", "frame", "iframe", or "object".
static constexpr Array navigation_request_destinations = {
Destination::Document,
Destination::Embed,
Destination::Frame,
Destination::IFrame,
Destination::Object,
};
return any_of(navigation_request_destinations, [this](auto destination) {
return m_destination == destination;
});
}
// https://fetch.spec.whatwg.org/#concept-request-tainted-origin
bool Request::has_redirect_tainted_origin() const
{
// A request request has a redirect-tainted origin if these steps return true:
// 1. Let lastURL be null.
Everywhere: Use unqualified AK::URL Now possible in LibWeb now that there is no longer a Web::URL.
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Optional<URL const&> last_url;
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LibWeb/Fetch: Tweak wording in some spec comments This is a change in the Fetch spec. See: https://github.com/whatwg/fetch/commit/223ca89
2022-12-07 18:29:17 +00:00
// 2. For each url of request’s URL list:
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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for (auto const& url : m_url_list) {
// 1. If lastURL is null, then set lastURL to url and continue.
if (!last_url.has_value()) {
last_url = url;
continue;
}
// 2. If url’s origin is not same origin with lastURL’s origin and request’s origin is not same origin with lastURL’s origin, then return true.
LibWeb: Use proper origins in Request::has_redirect_tainted_origin() URL::url_origin() is a globally available function now, so let's use it!
2022-10-31 18:04:11 +00:00
auto const* request_origin = m_origin.get_pointer<HTML::Origin>();
LibWeb: Rename URL platform object to DOMURL Along with putting functions in the URL namespace into a DOMURL namespace. This is done as LibWeb is in an awkward situation where it needs two URL classes. AK::URL is the general purpose URL class which is all that is needed in 95% of cases. URL in the Web namespace is needed predominantly for interfacing with the javascript interfaces. Because of two URLs in the same namespace, AK::URL has had to be used throughout LibWeb. If we move AK::URL into a URL namespace, this becomes more painful - where ::URL::URL is required to specify the constructor (and something like ::URL::create_with_url_or_path in other places). To fix this problem - rename the class in LibWeb implementing the URL IDL interface to DOMURL, along with moving the other Web URL related classes into this DOMURL folder. One could argue that this name also makes the situation a little more clear in LibWeb for why these two URL classes need be used in the first place.
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if (!DOMURL::url_origin(url).is_same_origin(DOMURL::url_origin(*last_url))
&& (request_origin == nullptr || !request_origin->is_same_origin(DOMURL::url_origin(*last_url)))) {
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return true;
LibWeb: Use proper origins in Request::has_redirect_tainted_origin() URL::url_origin() is a globally available function now, so let's use it!
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}
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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// 3. Set lastURL to url.
last_url = url;
}
// 3. Return false.
return false;
}
// https://fetch.spec.whatwg.org/#serializing-a-request-origin
LibWeb/Fetch: Port infrastructure to new String
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ErrorOr<String> Request::serialize_origin() const
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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{
// 1. If request has a redirect-tainted origin, then return "null".
if (has_redirect_tainted_origin())
LibWeb/Fetch: Port infrastructure to new String
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return "null"_string;
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// 2. Return request’s origin, serialized.
Everywhere: Rename {Deprecated => Byte}String This commit un-deprecates DeprecatedString, and repurposes it as a byte string. As the null state has already been removed, there are no other particularly hairy blockers in repurposing this type as a byte string (what it _really_ is). This commit is auto-generated: $ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \ Meta Ports Ladybird Tests Kernel) $ perl -pie 's/\bDeprecatedString\b/ByteString/g; s/deprecated_string/byte_string/g' $xs $ clang-format --style=file -i \ $(git diff --name-only | grep \.cpp\|\.h) $ gn format $(git ls-files '*.gn' '*.gni')
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return String::from_byte_string(m_origin.get<HTML::Origin>().serialize());
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}
// https://fetch.spec.whatwg.org/#byte-serializing-a-request-origin
ErrorOr<ByteBuffer> Request::byte_serialize_origin() const
{
// Byte-serializing a request origin, given a request request, is to return the result of serializing a request origin with request, isomorphic encoded.
LibWeb/Fetch: Port infrastructure to new String
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return ByteBuffer::copy(TRY(serialize_origin()).bytes());
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}
// https://fetch.spec.whatwg.org/#concept-request-clone
LibJS: Make Heap::allocate<T>() infallible Stop worrying about tiny OOMs. Work towards #20449. While going through these, I also changed the function signature in many places where returning ThrowCompletionOr<T> is no longer necessary.
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JS::NonnullGCPtr<Request> Request::clone(JS::Realm& realm) const
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{
// To clone a request request, run these steps:
LibWeb: Propagate Realm instead of VM more through Fetch This makes Fetch rely less on using main_thread_vm().current_realm(), which relies on the dummy execution context if no JavaScript is currently running.
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auto& vm = realm.vm();
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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// 1. Let newRequest be a copy of request, except for its body.
LibWeb: Make Fetch::Infrastructure::{Request,Response,HeaderList} GC'd This is the way. On a more serious note, there's no reason to keep adding ref-counted classes to LibWeb now that the majority of classes is GC'd - it only adds the risk of discovering some cycle down the line, and forces us to use handles as we can't visit().
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auto new_request = Infrastructure::Request::create(vm);
LibWeb: Make Fetch::Infrastructure::{Request,Response} ref-counted With the addition of the 'fetch params' struct, the single ownership model we had so far falls apart completely. Additionally, this works nicely for FilteredResponse's internal response instead of risking a dangling reference. Replacing the public constructor with a create() function also found a few instances of a Request being stack-allocated!
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new_request->set_method(m_method);
new_request->set_local_urls_only(m_local_urls_only);
for (auto const& header : *m_header_list)
MUST(new_request->header_list()->append(header));
new_request->set_unsafe_request(m_unsafe_request);
new_request->set_client(m_client);
new_request->set_reserved_client(m_reserved_client);
new_request->set_replaces_client_id(m_replaces_client_id);
new_request->set_window(m_window);
new_request->set_keepalive(m_keepalive);
new_request->set_initiator_type(m_initiator_type);
new_request->set_service_workers_mode(m_service_workers_mode);
new_request->set_initiator(m_initiator);
new_request->set_destination(m_destination);
new_request->set_priority(m_priority);
new_request->set_origin(m_origin);
new_request->set_policy_container(m_policy_container);
new_request->set_referrer(m_referrer);
new_request->set_referrer_policy(m_referrer_policy);
new_request->set_mode(m_mode);
new_request->set_use_cors_preflight(m_use_cors_preflight);
new_request->set_credentials_mode(m_credentials_mode);
new_request->set_use_url_credentials(m_use_url_credentials);
new_request->set_cache_mode(m_cache_mode);
new_request->set_redirect_mode(m_redirect_mode);
new_request->set_integrity_metadata(m_integrity_metadata);
new_request->set_cryptographic_nonce_metadata(m_cryptographic_nonce_metadata);
new_request->set_parser_metadata(m_parser_metadata);
new_request->set_reload_navigation(m_reload_navigation);
new_request->set_history_navigation(m_history_navigation);
new_request->set_user_activation(m_user_activation);
new_request->set_render_blocking(m_render_blocking);
new_request->set_url_list(m_url_list);
new_request->set_redirect_count(m_redirect_count);
new_request->set_response_tainting(m_response_tainting);
new_request->set_prevent_no_cache_cache_control_header_modification(m_prevent_no_cache_cache_control_header_modification);
new_request->set_done(m_done);
new_request->set_timing_allow_failed(m_timing_allow_failed);
LibWeb: Stub out Fetch::Infrastructure::Body::clone()
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// 2. If request’s body is non-null, set newRequest’s body to the result of cloning request’s body.
LibWeb: Make `Fetch::Infrastructure::Body` be GC allocated Making the body GC-allocated allows us to avoid using `JS::Handle` for `m_stream` in its members.
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if (auto const* body = m_body.get_pointer<JS::NonnullGCPtr<Body>>())
new_request->set_body((*body)->clone(realm));
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// 3. Return newRequest.
return new_request;
}
// https://fetch.spec.whatwg.org/#concept-request-add-range-header
LibWeb: Fix typo in Fetch::Infrastructure::Request::add_range_header()
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ErrorOr<void> Request::add_range_header(u64 first, Optional<u64> const& last)
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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{
// To add a range header to a request request, with an integer first, and an optional integer last, run these steps:
// 1. Assert: last is not given, or first is less than or equal to last.
VERIFY(!last.has_value() || first <= last.value());
// 2. Let rangeValue be `bytes=`.
LibWeb: Use MUST() for infallible ByteBuffer::copy() invocations ByteBuffer has an inline capacity of 32 bytes, so when we provide a string smaller than that, it cannot fail.
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auto range_value = MUST(ByteBuffer::copy("bytes"sv.bytes()));
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// 3. Serialize and isomorphic encode first, and append the result to rangeValue.
LibWeb/Fetch: Port infrastructure to new String
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TRY(range_value.try_append(TRY(String::number(first)).bytes()));
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// 4. Append 0x2D (-) to rangeValue.
TRY(range_value.try_append('-'));
// 5. If last is given, then serialize and isomorphic encode it, and append the result to rangeValue.
if (last.has_value())
LibWeb/Fetch: Port infrastructure to new String
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TRY(range_value.try_append(TRY(String::number(*last)).bytes()));
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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// 6. Append (`Range`, rangeValue) to request’s header list.
auto header = Header {
LibWeb: Use MUST() for infallible ByteBuffer::copy() invocations ByteBuffer has an inline capacity of 32 bytes, so when we provide a string smaller than that, it cannot fail.
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.name = MUST(ByteBuffer::copy("Range"sv.bytes())),
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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.value = move(range_value),
};
LibWeb: Make HeaderList ref-counted 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.
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TRY(m_header_list->append(move(header)));
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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return {};
}
LibWeb: Implement 'Append a request `Origin` header' AO
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// https://fetch.spec.whatwg.org/#append-a-request-origin-header
ErrorOr<void> Request::add_origin_header()
{
// 1. Let serializedOrigin be the result of byte-serializing a request origin with request.
auto serialized_origin = TRY(byte_serialize_origin());
// 2. If request’s response tainting is "cors" or request’s mode is "websocket", then append (`Origin`, serializedOrigin) to request’s header list.
if (m_response_tainting == ResponseTainting::CORS || m_mode == Mode::WebSocket) {
auto header = Header {
.name = MUST(ByteBuffer::copy("Origin"sv.bytes())),
.value = move(serialized_origin),
};
TRY(m_header_list->append(move(header)));
}
// 3. Otherwise, if request’s method is neither `GET` nor `HEAD`, then:
else if (!StringView { m_method }.is_one_of("GET"sv, "HEAD"sv)) {
// 1. If request’s mode is not "cors", then switch on request’s referrer policy:
if (m_mode != Mode::CORS && m_referrer_policy.has_value()) {
switch (*m_referrer_policy) {
// -> "no-referrer"
case ReferrerPolicy::ReferrerPolicy::NoReferrer:
// Set serializedOrigin to `null`.
serialized_origin = MUST(ByteBuffer::copy("null"sv.bytes()));
break;
// -> "no-referrer-when-downgrade"
// -> "strict-origin"
// -> "strict-origin-when-cross-origin"
case ReferrerPolicy::ReferrerPolicy::NoReferrerWhenDowngrade:
case ReferrerPolicy::ReferrerPolicy::StrictOrigin:
case ReferrerPolicy::ReferrerPolicy::StrictOriginWhenCrossOrigin:
// If request’s origin is a tuple origin, its scheme is "https", and request’s current URL’s scheme is
// not "https", then set serializedOrigin to `null`.
if (m_origin.has<HTML::Origin>() && m_origin.get<HTML::Origin>().scheme() == "https"sv && current_url().scheme() != "https"sv)
serialized_origin = MUST(ByteBuffer::copy("null"sv.bytes()));
break;
// -> "same-origin"
case ReferrerPolicy::ReferrerPolicy::SameOrigin:
// If request’s origin is not same origin with request’s current URL’s origin, then set serializedOrigin
// to `null`.
LibWeb: Rename URL platform object to DOMURL Along with putting functions in the URL namespace into a DOMURL namespace. This is done as LibWeb is in an awkward situation where it needs two URL classes. AK::URL is the general purpose URL class which is all that is needed in 95% of cases. URL in the Web namespace is needed predominantly for interfacing with the javascript interfaces. Because of two URLs in the same namespace, AK::URL has had to be used throughout LibWeb. If we move AK::URL into a URL namespace, this becomes more painful - where ::URL::URL is required to specify the constructor (and something like ::URL::create_with_url_or_path in other places). To fix this problem - rename the class in LibWeb implementing the URL IDL interface to DOMURL, along with moving the other Web URL related classes into this DOMURL folder. One could argue that this name also makes the situation a little more clear in LibWeb for why these two URL classes need be used in the first place.
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if (m_origin.has<HTML::Origin>() && !m_origin.get<HTML::Origin>().is_same_origin(DOMURL::url_origin(current_url())))
LibWeb: Implement 'Append a request `Origin` header' AO
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serialized_origin = MUST(ByteBuffer::copy("null"sv.bytes()));
break;
// -> Otherwise
default:
// Do nothing.
break;
}
}
// 2. Append (`Origin`, serializedOrigin) to request’s header list.
auto header = Header {
.name = MUST(ByteBuffer::copy("Origin"sv.bytes())),
.value = move(serialized_origin),
};
TRY(m_header_list->append(move(header)));
}
return {};
}
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// https://fetch.spec.whatwg.org/#cross-origin-embedder-policy-allows-credentials
bool Request::cross_origin_embedder_policy_allows_credentials() const
{
// 1. If request’s mode is not "no-cors", then return true.
if (m_mode != Mode::NoCORS)
return true;
// 2. If request’s client is null, then return true.
if (m_client == nullptr)
return true;
// FIXME: 3. If request’s client’s policy container’s embedder policy’s value is not "credentialless", then return true.
// 4. If request’s origin is same origin with request’s current URL’s origin and request does not have a redirect-tainted origin, then return true.
// 5. Return false.
LibWeb/Fetch: Use origins in `Cross-Origin-Embedder-Policy` algorithm
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auto const* request_origin = m_origin.get_pointer<HTML::Origin>();
if (request_origin == nullptr)
return false;
LibWeb: Rename URL platform object to DOMURL Along with putting functions in the URL namespace into a DOMURL namespace. This is done as LibWeb is in an awkward situation where it needs two URL classes. AK::URL is the general purpose URL class which is all that is needed in 95% of cases. URL in the Web namespace is needed predominantly for interfacing with the javascript interfaces. Because of two URLs in the same namespace, AK::URL has had to be used throughout LibWeb. If we move AK::URL into a URL namespace, this becomes more painful - where ::URL::URL is required to specify the constructor (and something like ::URL::create_with_url_or_path in other places). To fix this problem - rename the class in LibWeb implementing the URL IDL interface to DOMURL, along with moving the other Web URL related classes into this DOMURL folder. One could argue that this name also makes the situation a little more clear in LibWeb for why these two URL classes need be used in the first place.
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return request_origin->is_same_origin(DOMURL::url_origin(current_url())) && !has_redirect_tainted_origin();
LibWeb: Add definitions from '2.2.5 Requests' in the Fetch spec
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}
}
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