mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-08-09 09:39:39 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

Everywhere: Hoist the Libraries folder to the top-level

Browse source
This commit is contained in:
Timothy Flynn 2024-11-09 12:25:08 -05:00 • committed by Andreas Kling
commit 93712b24bf
Notes: github-actions[bot] 2024-11-10 11:51:52 +00:00
4547 changed files with 104 additions and 113 deletions
Download patch file Download diff file Expand all files Collapse all files

175
Libraries/LibWeb/Fetch/BodyInit.cpp Normal file
View file

@ -0,0 +1,175 @@
/*
* Copyright (c) 2022-2023, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022-2024, Kenneth Myhra <kennethmyhra@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/TypedArray.h>
#include <LibWeb/DOMURL/URLSearchParams.h>
#include <LibWeb/Fetch/BodyInit.h>
#include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
#include <LibWeb/FileAPI/Blob.h>
#include <LibWeb/HTML/FormControlInfrastructure.h>
#include <LibWeb/HTML/Scripting/TemporaryExecutionContext.h>
#include <LibWeb/Platform/EventLoopPlugin.h>
#include <LibWeb/Streams/AbstractOperations.h>
#include <LibWeb/WebIDL/AbstractOperations.h>
#include <LibWeb/WebIDL/Buffers.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
#include <LibWeb/XHR/FormData.h>
namespace Web::Fetch {
// https://fetch.spec.whatwg.org/#bodyinit-safely-extract
WebIDL::ExceptionOr<Infrastructure::BodyWithType> safely_extract_body(JS::Realm& realm, BodyInitOrReadableBytes const& object)
{
// 1. If object is a ReadableStream object, then:
if (auto const* stream = object.get_pointer<JS::Handle<Streams::ReadableStream>>()) {
// 1. Assert: object is neither disturbed nor locked.
VERIFY(!((*stream)->is_disturbed() || (*stream)->is_locked()));
}
// 2. Return the result of extracting object.
return extract_body(realm, object);
}
// https://fetch.spec.whatwg.org/#concept-bodyinit-extract
WebIDL::ExceptionOr<Infrastructure::BodyWithType> extract_body(JS::Realm& realm, BodyInitOrReadableBytes const& object, bool keepalive)
{
HTML::TemporaryExecutionContext execution_context { realm, HTML::TemporaryExecutionContext::CallbacksEnabled::Yes };
auto& vm = realm.vm();
// 1. Let stream be null.
JS::GCPtr<Streams::ReadableStream> stream;
// 2. If object is a ReadableStream object, then set stream to object.
if (auto const* stream_handle = object.get_pointer<JS::Handle<Streams::ReadableStream>>()) {
stream = const_cast<Streams::ReadableStream*>(stream_handle->cell());
}
// 3. Otherwise, if object is a Blob object, set stream to the result of running object’s get stream.
else if (auto const* blob_handle = object.get_pointer<JS::Handle<FileAPI::Blob>>()) {
stream = blob_handle->cell()->get_stream();
}
// 4. Otherwise, set stream to a new ReadableStream object, and set up stream with byte reading support.
else {
stream = realm.heap().allocate<Streams::ReadableStream>(realm, realm);
Streams::set_up_readable_stream_controller_with_byte_reading_support(*stream);
}
// 5. Assert: stream is a ReadableStream object.
VERIFY(stream);
// 6. Let action be null.
Function<ByteBuffer()> action;
// 7. Let source be null.
Infrastructure::Body::SourceType source {};
// 8. Let length be null.
Optional<u64> length {};
// 9. Let type be null.
Optional<ByteBuffer> type {};
// 10. Switch on object.
TRY(object.visit(
[&](JS::Handle<FileAPI::Blob> const& blob) -> WebIDL::ExceptionOr<void> {
// Set source to object.
source = blob;
// Set length to object’s size.
length = blob->size();
// If object’s type attribute is not the empty byte sequence, set type to its value.
if (!blob->type().is_empty())
type = MUST(ByteBuffer::copy(blob->type().bytes()));
return {};
},
[&](ReadonlyBytes bytes) -> WebIDL::ExceptionOr<void> {
// Set source to object.
source = MUST(ByteBuffer::copy(bytes));
return {};
},
[&](JS::Handle<WebIDL::BufferSource> const& buffer_source) -> WebIDL::ExceptionOr<void> {
// Set source to a copy of the bytes held by object.
source = MUST(WebIDL::get_buffer_source_copy(*buffer_source->raw_object()));
return {};
},
[&](JS::Handle<XHR::FormData> const& form_data) -> WebIDL::ExceptionOr<void> {
// Set action to this step: run the multipart/form-data encoding algorithm, with object’s entry list and UTF-8.
auto serialized_form_data = MUST(HTML::serialize_to_multipart_form_data(form_data->entry_list()));
// Set source to object.
source = serialized_form_data.serialized_data;
// FIXME: Set length to unclear, see html/6424 for improving this.
// Set type to `multipart/form-data; boundary=`, followed by the multipart/form-data boundary string generated by the multipart/form-data encoding algorithm.
type = MUST(ByteBuffer::copy(MUST(String::formatted("multipart/form-data; boundary={}"sv, serialized_form_data.boundary)).bytes()));
return {};
},
[&](JS::Handle<DOMURL::URLSearchParams> const& url_search_params) -> WebIDL::ExceptionOr<void> {
// Set source to the result of running the application/x-www-form-urlencoded serializer with object’s list.
auto search_params_string = url_search_params->to_string();
source = MUST(ByteBuffer::copy(search_params_string.bytes()));
// Set type to `application/x-www-form-urlencoded;charset=UTF-8`.
type = MUST(ByteBuffer::copy("application/x-www-form-urlencoded;charset=UTF-8"sv.bytes()));
return {};
},
[&](String const& scalar_value_string) -> WebIDL::ExceptionOr<void> {
// NOTE: AK::String is always UTF-8.
// Set source to the UTF-8 encoding of object.
source = MUST(ByteBuffer::copy(scalar_value_string.bytes()));
// Set type to `text/plain;charset=UTF-8`.
type = MUST(ByteBuffer::copy("text/plain;charset=UTF-8"sv.bytes()));
return {};
},
[&](JS::Handle<Streams::ReadableStream> const& stream) -> WebIDL::ExceptionOr<void> {
// If keepalive is true, then throw a TypeError.
if (keepalive)
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Cannot extract body from stream when keepalive is set"sv };
// If object is disturbed or locked, then throw a TypeError.
if (stream->is_disturbed() || stream->is_locked())
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Cannot extract body from disturbed or locked stream"sv };
return {};
}));
// 11. If source is a byte sequence, then set action to a step that returns source and length to source’s length.
// For now, do it synchronously.
if (source.has<ByteBuffer>()) {
action = [source = MUST(ByteBuffer::copy(source.get<ByteBuffer>()))]() mutable {
return move(source);
};
length = source.get<ByteBuffer>().size();
}
// 12. If action is non-null, then run these steps in parallel:
if (action) {
Platform::EventLoopPlugin::the().deferred_invoke(JS::create_heap_function(realm.heap(), [&realm, stream, action = move(action)] {
HTML::TemporaryExecutionContext execution_context { realm, HTML::TemporaryExecutionContext::CallbacksEnabled::Yes };
// 1. Run action.
auto bytes = action();
// Whenever one or more bytes are available and stream is not errored, enqueue the result of creating a
// Uint8Array from the available bytes into stream.
if (!bytes.is_empty() && !stream->is_errored()) {
auto array_buffer = JS::ArrayBuffer::create(stream->realm(), move(bytes));
auto chunk = JS::Uint8Array::create(stream->realm(), array_buffer->byte_length(), *array_buffer);
Streams::readable_stream_enqueue(*stream->controller(), chunk).release_value_but_fixme_should_propagate_errors();
}
// When running action is done, close stream.
stream->close();
}));
}
// 13. Let body be a body whose stream is stream, source is source, and length is length.
auto body = Infrastructure::Body::create(vm, *stream, move(source), move(length));
// 14. Return (body, type).
return Infrastructure::BodyWithType { .body = move(body), .type = move(type) };
}
}