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44 lines
1.9 KiB
C++
44 lines
1.9 KiB
C++
/*
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* Copyright (c) 2023, Srikavin Ramkumar <me@srikavin.me>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/HTML/CORSSettingAttribute.h>
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#include <LibWeb/HTML/PotentialCORSRequest.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/urls-and-fetching.html#create-a-potential-cors-request
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JS::NonnullGCPtr<Fetch::Infrastructure::Request>
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create_potential_CORS_request(JS::VM& vm, AK::URL const& url, Optional<Fetch::Infrastructure::Request::Destination> destination, CORSSettingAttribute cors_attribute_state, SameOriginFallbackFlag same_origin_fallback_flag)
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{
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// 1. Let mode be "no-cors" if corsAttributeState is No CORS, and "cors" otherwise.
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auto mode = cors_attribute_state == CORSSettingAttribute::NoCORS
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? Fetch::Infrastructure::Request::Mode::NoCORS
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: Fetch::Infrastructure::Request::Mode::CORS;
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// 2. If same-origin fallback flag is set and mode is "no-cors", set mode to "same-origin".
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if (same_origin_fallback_flag == SameOriginFallbackFlag::Yes && mode == Fetch::Infrastructure::Request::Mode::NoCORS)
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mode = Fetch::Infrastructure::Request::Mode::SameOrigin;
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// 3. Let credentialsMode be "include".
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auto credentials_mode = Fetch::Infrastructure::Request::CredentialsMode::Include;
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// 4. If corsAttributeState is Anonymous, set credentialsMode to "same-origin".
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if (cors_attribute_state == CORSSettingAttribute::Anonymous)
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credentials_mode = Fetch::Infrastructure::Request::CredentialsMode::SameOrigin;
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// 5. Let request be a new request whose URL is url, destination is destination, mode is mode, credentials mode is credentialsMode,
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// and whose use-URL-credentials flag is set.
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auto request = Fetch::Infrastructure::Request::create(vm);
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request->set_url(url);
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request->set_destination(destination);
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request->set_mode(mode);
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request->set_credentials_mode(credentials_mode);
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request->set_use_url_credentials(true);
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return request;
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}
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}
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