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LibWeb: Move extract_body() towards spec compliance

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Kenneth Myhra 2022-07-15 21:54:02 +02:00 • committed by Linus Groh
parent bc4ccadcac
commit 9b3da5a142
3 changed files with 43 additions and 19 deletions
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55
Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
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@ -25,6 +25,7 @@
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/DOM/IDLEventListener.h>
#include <LibWeb/Fetch/Infrastructure/HTTP.h>
#include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
#include <LibWeb/Fetch/Infrastructure/HTTP/Methods.h>
#include <LibWeb/FileAPI/Blob.h>
#include <LibWeb/HTML/EventHandler.h>
@ -311,19 +312,43 @@ Optional<MimeSniff::MimeType> XMLHttpRequest::extract_mime_type(Fetch::HeaderLis
}
// https://fetch.spec.whatwg.org/#concept-bodyinit-extract
static XMLHttpRequest::BodyWithType extract_body(XMLHttpRequestBodyInit const& body)
// FIXME: The parameter 'body_init' should be 'typedef (ReadableStream or XMLHttpRequestBodyInit) BodyInit'. For now we just let it be 'XMLHttpRequestBodyInit'.
static Fetch::BodyWithType extract_body(XMLHttpRequestBodyInit const& body_init)
{
XMLHttpRequest::BodyWithType body_with_type {};
body.visit(
// FIXME: 1. Let stream be object if object is a ReadableStream object. Otherwise, let stream be a new ReadableStream, and set up stream.
Fetch::Body::ReadableStreamDummy stream {};
// FIXME: 2. Let action be null.
// 3. Let source be null.
Fetch::Body::SourceType source {};
// 4. Let length be null.
Optional<u64> length {};
// 5. Let type be null.
Optional<ByteBuffer> type {};
// 6. Switch on object.
// FIXME: Still need to support Blob, BufferSource and FormData
body_init.visit(
[&](NonnullRefPtr<URL::URLSearchParams> const& url_search_params) {
body_with_type.body = url_search_params->to_string().to_byte_buffer();
body_with_type.type = "application/x-www-form-urlencoded;charset=UTF-8";
// Set source to the result of running the application/x-www-form-urlencoded serializer with object’s list.
source = url_search_params->to_string().to_byte_buffer();
// 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()));
},
[&](String const& string) {
body_with_type.body = string.to_byte_buffer();
body_with_type.type = "text/plain;charset=UTF-8";
[&](String const& scalar_value_string) {
// NOTE: AK::String is always UTF-8.
// Set source to the UTF-8 encoding of object.
source = scalar_value_string.to_byte_buffer();
// Set type to `text/plain;charset=UTF-8`.
type = MUST(ByteBuffer::copy("text/plain;charset=UTF-8"sv.bytes()));
});
return body_with_type;
// FIXME: 7. If source is a byte sequence, then set action to a step that returns source and length to source’s length.
// FIXME: 8. If action is non-null, then run these steps in in parallel:
// 9. Let body be a body whose stream is stream, source is source, and length is length.
auto body = Fetch::Body { move(stream), move(source), move(length) };
// 10. Return (body, type).
return { .body = move(body), .type = move(type) };
}
// https://xhr.spec.whatwg.org/#dom-xmlhttprequest-setrequestheader
@ -465,7 +490,7 @@ DOM::ExceptionOr<void> XMLHttpRequest::send(Optional<XMLHttpRequestBodyInit> bod
if (m_method.is_one_of("GET"sv, "HEAD"sv))
body = {};
auto body_with_type = body.has_value() ? extract_body(body.value()) : XMLHttpRequest::BodyWithType {};
auto body_with_type = body.has_value() ? extract_body(body.value()) : Optional<Fetch::BodyWithType> {};
AK::URL request_url = m_window->associated_document().parse_url(m_url.to_string());
dbgln("XHR send from {} to {}", m_window->associated_document().url(), request_url);
@ -486,10 +511,12 @@ DOM::ExceptionOr<void> XMLHttpRequest::send(Optional<XMLHttpRequestBodyInit> bod
auto request = LoadRequest::create_for_url_on_page(request_url, m_window->page());
request.set_method(m_method);
if (!body_with_type.body.is_empty()) {
request.set_body(body_with_type.body);
if (!body_with_type.type.is_empty())
request.set_header("Content-Type", body_with_type.type);
if (body_with_type.has_value()) {
body_with_type->body.source().visit(
[&](ByteBuffer const& buffer) { request.set_body(buffer); },
[](auto&) {});
if (body_with_type->type.has_value())
request.set_header("Content-Type", String { body_with_type->type->span() });
}
for (auto& it : m_request_headers)
request.set_header(it.key, it.value);