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LibWeb: Implement 'Safely extract BodyInit' AO

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This commit is contained in:
Linus Groh
2022-10-13 19:11:42 +02:00
parent 1e1fbb93fb
commit dcded8d39f
2 changed files with 14 additions and 0 deletions
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13
Userland/Libraries/LibWeb/Fetch/BodyInit.cpp
View File

@@ -13,6 +13,19 @@
namespace Web::Fetch {
// https://fetch.spec.whatwg.org/#bodyinit-safely-extract
WebIDL::ExceptionOr<Infrastructure::BodyWithType> safely_extract_body(JS::Realm& realm, BodyInitOrReadbleBytes 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, BodyInitOrReadbleBytes const& object, bool keepalive)
{

1
Userland/Libraries/LibWeb/Fetch/BodyInit.h
View File

@@ -20,6 +20,7 @@ using XMLHttpRequestBodyInit = Variant<JS::Handle<FileAPI::Blob>, JS::Handle<JS:
using BodyInit = Variant<JS::Handle<Streams::ReadableStream>, JS::Handle<FileAPI::Blob>, JS::Handle<JS::Object>, JS::Handle<URL::URLSearchParams>, String>;
using BodyInitOrReadbleBytes = Variant<JS::Handle<Streams::ReadableStream>, JS::Handle<FileAPI::Blob>, JS::Handle<JS::Object>, JS::Handle<URL::URLSearchParams>, String, ReadonlyBytes>;
WebIDL::ExceptionOr<Infrastructure::BodyWithType> safely_extract_body(JS::Realm&, BodyInitOrReadbleBytes const&);
WebIDL::ExceptionOr<Infrastructure::BodyWithType> extract_body(JS::Realm&, BodyInitOrReadbleBytes const&, bool keepalive = false);
}