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			205 lines
		
	
	
	
		
			7.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			205 lines
		
	
	
	
		
			7.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
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|  * Copyright (c) 2022, Kenneth Myhra <kennethmyhra@serenityos.org>
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|  * Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/ByteBuffer.h>
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| #include <AK/RefCounted.h>
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| #include <AK/URL.h>
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| #include <AK/Weakable.h>
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| #include <LibWeb/DOM/EventTarget.h>
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| #include <LibWeb/DOMURL/URLSearchParams.h>
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| #include <LibWeb/Fetch/BodyInit.h>
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| #include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
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| #include <LibWeb/Fetch/Infrastructure/HTTP/Headers.h>
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| #include <LibWeb/Fetch/Infrastructure/HTTP/Statuses.h>
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| #include <LibWeb/HTML/Window.h>
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| #include <LibWeb/MimeSniff/MimeType.h>
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| #include <LibWeb/WebIDL/ExceptionOr.h>
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| #include <LibWeb/XHR/XMLHttpRequestEventTarget.h>
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| 
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| namespace Web::XHR {
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| 
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| // https://fetch.spec.whatwg.org/#typedefdef-xmlhttprequestbodyinit
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| using DocumentOrXMLHttpRequestBodyInit = Variant<JS::Handle<Web::DOM::Document>, JS::Handle<Web::FileAPI::Blob>, JS::Handle<WebIDL::BufferSource>, JS::Handle<XHR::FormData>, JS::Handle<Web::DOMURL::URLSearchParams>, AK::String>;
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| 
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| class XMLHttpRequest final : public XMLHttpRequestEventTarget {
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|     WEB_PLATFORM_OBJECT(XMLHttpRequest, XMLHttpRequestEventTarget);
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|     JS_DECLARE_ALLOCATOR(XMLHttpRequest);
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| 
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| public:
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|     enum class State : u16 {
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|         Unsent = 0,
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|         Opened = 1,
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|         HeadersReceived = 2,
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|         Loading = 3,
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|         Done = 4,
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|     };
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| 
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|     static WebIDL::ExceptionOr<JS::NonnullGCPtr<XMLHttpRequest>> construct_impl(JS::Realm&);
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| 
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|     virtual ~XMLHttpRequest() override;
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| 
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|     State ready_state() const { return m_state; }
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|     Fetch::Infrastructure::Status status() const;
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|     WebIDL::ExceptionOr<String> status_text() const;
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|     WebIDL::ExceptionOr<String> response_text() const;
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|     WebIDL::ExceptionOr<JS::GCPtr<DOM::Document>> response_xml();
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|     WebIDL::ExceptionOr<JS::Value> response();
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|     Bindings::XMLHttpRequestResponseType response_type() const { return m_response_type; }
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| 
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|     WebIDL::ExceptionOr<void> open(String const& method, String const& url);
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|     WebIDL::ExceptionOr<void> open(String const& method, String const& url, bool async, Optional<String> const& username = Optional<String> {}, Optional<String> const& password = Optional<String> {});
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|     WebIDL::ExceptionOr<void> send(Optional<DocumentOrXMLHttpRequestBodyInit> body);
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| 
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|     WebIDL::ExceptionOr<void> set_request_header(String const& header, String const& value);
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|     WebIDL::ExceptionOr<void> set_response_type(Bindings::XMLHttpRequestResponseType);
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| 
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|     WebIDL::ExceptionOr<Optional<String>> get_response_header(String const& name) const;
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|     WebIDL::ExceptionOr<String> get_all_response_headers() const;
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| 
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|     WebIDL::CallbackType* onreadystatechange();
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|     void set_onreadystatechange(WebIDL::CallbackType*);
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| 
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|     WebIDL::ExceptionOr<void> override_mime_type(String const& mime);
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| 
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|     u32 timeout() const;
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|     WebIDL::ExceptionOr<void> set_timeout(u32 timeout);
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| 
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|     bool with_credentials() const;
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|     WebIDL::ExceptionOr<void> set_with_credentials(bool);
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| 
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|     void abort();
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| 
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|     JS::NonnullGCPtr<XMLHttpRequestUpload> upload() const;
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| 
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| private:
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|     virtual void initialize(JS::Realm&) override;
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|     virtual void visit_edges(Cell::Visitor&) override;
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|     virtual bool must_survive_garbage_collection() const override;
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| 
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|     ErrorOr<MimeSniff::MimeType> get_response_mime_type() const;
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|     ErrorOr<Optional<StringView>> get_final_encoding() const;
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|     ErrorOr<MimeSniff::MimeType> get_final_mime_type() const;
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| 
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|     String get_text_response() const;
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|     void set_document_response();
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| 
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|     WebIDL::ExceptionOr<void> handle_response_end_of_body();
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|     WebIDL::ExceptionOr<void> handle_errors();
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|     JS::ThrowCompletionOr<void> request_error_steps(FlyString const& event_name, JS::GCPtr<WebIDL::DOMException> exception = nullptr);
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| 
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|     XMLHttpRequest(JS::Realm&, XMLHttpRequestUpload&, Fetch::Infrastructure::HeaderList&, Fetch::Infrastructure::Response&, Fetch::Infrastructure::FetchController&);
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| 
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|     // https://xhr.spec.whatwg.org/#upload-object
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|     // upload object
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|     //     An XMLHttpRequestUpload object.
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|     JS::NonnullGCPtr<XMLHttpRequestUpload> m_upload_object;
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| 
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|     // https://xhr.spec.whatwg.org/#concept-xmlhttprequest-state
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|     // state
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|     //     One of unsent, opened, headers received, loading, and done; initially unsent.
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|     State m_state { State::Unsent };
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| 
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|     // https://xhr.spec.whatwg.org/#send-flag
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|     // send() flag
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|     //     A flag, initially unset.
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|     bool m_send { false };
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| 
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|     // https://xhr.spec.whatwg.org/#timeout
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|     // timeout
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|     //     An unsigned integer, initially 0.
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|     u32 m_timeout { 0 };
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| 
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|     // https://xhr.spec.whatwg.org/#cross-origin-credentials
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|     // cross-origin credentials
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|     //     A boolean, initially false.
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|     bool m_cross_origin_credentials { false };
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| 
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|     // https://xhr.spec.whatwg.org/#request-method
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|     // request method
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|     //     A method.
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|     ByteString m_request_method;
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| 
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|     // https://xhr.spec.whatwg.org/#request-url
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|     // request URL
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|     //     A URL.
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|     URL m_request_url;
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| 
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|     // https://xhr.spec.whatwg.org/#author-request-headers
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|     // author request headers
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|     //     A header list, initially empty.
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|     JS::NonnullGCPtr<Fetch::Infrastructure::HeaderList> m_author_request_headers;
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| 
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|     // https://xhr.spec.whatwg.org/#request-body
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|     // request body
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|     //     Initially null.
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|     JS::GCPtr<Fetch::Infrastructure::Body> m_request_body;
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| 
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|     // https://xhr.spec.whatwg.org/#synchronous-flag
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|     // synchronous flag
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|     //     A flag, initially unset.
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|     bool m_synchronous { false };
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| 
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|     // https://xhr.spec.whatwg.org/#upload-complete-flag
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|     // upload complete flag
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|     //     A flag, initially unset.
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|     bool m_upload_complete { false };
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| 
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|     // https://xhr.spec.whatwg.org/#upload-listener-flag
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|     // upload listener flag
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|     //     A flag, initially unset.
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|     bool m_upload_listener { false };
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| 
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|     // https://xhr.spec.whatwg.org/#timed-out-flag
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|     // timed out flag
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|     //     A flag, initially unset.
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|     bool m_timed_out { false };
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| 
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|     // https://xhr.spec.whatwg.org/#response
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|     // response
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|     //     A response, initially a network error.
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|     JS::NonnullGCPtr<Fetch::Infrastructure::Response> m_response;
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| 
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|     // https://xhr.spec.whatwg.org/#received-bytes
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|     // received bytes
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|     //     A byte sequence, initially the empty byte sequence.
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|     ByteBuffer m_received_bytes;
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| 
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|     // https://xhr.spec.whatwg.org/#response-type
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|     // response type
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|     //     One of the empty string, "arraybuffer", "blob", "document", "json", and "text"; initially the empty string.
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|     Bindings::XMLHttpRequestResponseType m_response_type;
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| 
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|     enum class Failure {
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|         /// ????
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|     };
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| 
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|     // https://xhr.spec.whatwg.org/#response-object
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|     // response object
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|     //     An object, failure, or null, initially null.
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|     //     NOTE: This needs to be a JS::Value as the JSON response might not actually be an object.
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|     Variant<JS::NonnullGCPtr<JS::Object>, Failure, Empty> m_response_object;
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| 
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|     // https://xhr.spec.whatwg.org/#xmlhttprequest-fetch-controller
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|     // fetch controller
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|     //     A fetch controller, initially a new fetch controller.
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|     //     NOTE: The send() method sets it to a useful fetch controller, but for simplicity it always holds a fetch controller.
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|     JS::NonnullGCPtr<Fetch::Infrastructure::FetchController> m_fetch_controller;
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| 
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|     // https://xhr.spec.whatwg.org/#override-mime-type
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|     // override MIME type
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|     //     A MIME type or null, initially null.
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|     //     NOTE: Can get a value when overrideMimeType() is invoked.
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|     Optional<MimeSniff::MimeType> m_override_mime_type;
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| 
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|     // Non-standard, see async path in `send()`
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|     u64 m_request_body_transmitted { 0 };
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| };
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| 
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| }
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