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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "CSSURLModifiers.h"
#include "ResourceLoaderOptions.h"
namespace WebCore {
namespace CSS {
void applyModifiersToLoaderOptions(const URLModifiers& modifiers, ResourceLoaderOptions& loaderOptions)
{
if (modifiers.crossOrigin) {
// https://www.w3.org/TR/css-values-5/#typedef-request-url-modifier-cross-origin-modifier
//
// The URL request modifier steps for this modifier given request req are:
// 1. Set request's mode to "cors".
loaderOptions.mode = FetchOptions::Mode::Cors;
// 2. If the given value is use-credentials, set request's credentials mode to "include"
if (std::holds_alternative<Keyword::UseCredentials>(modifiers.crossOrigin->parameters))
loaderOptions.credentials = FetchOptions::Credentials::Include;
else
loaderOptions.credentials = FetchOptions::Credentials::SameOrigin;
}
if (modifiers.integrity) {
// https://www.w3.org/TR/css-values-5/#typedef-request-url-modifier-integrity-modifier
//
// The URL request modifier steps for this modifier given request req are to set
// request's integrity metadata to the given <string>.
loaderOptions.integrity = modifiers.integrity->parameters;
}
if (modifiers.referrerPolicy) {
// https://www.w3.org/TR/css-values-5/#typedef-request-url-modifier-referrer-policy-modifier
//
// The URL request modifier steps for this modifier given request req are to set
// request's referrer policy to the ReferrerPolicy that matches the given value.
loaderOptions.referrerPolicy = WTF::switchOn(modifiers.referrerPolicy->parameters,
[](Keyword::NoReferrer) {
return ReferrerPolicy::NoReferrer;
},
[](Keyword::NoReferrerWhenDowngrade) {
return ReferrerPolicy::NoReferrerWhenDowngrade;
},
[](Keyword::SameOrigin) {
return ReferrerPolicy::SameOrigin;
},
[](Keyword::Origin) {
return ReferrerPolicy::Origin;
},
[](Keyword::StrictOrigin) {
return ReferrerPolicy::StrictOrigin;
},
[](Keyword::OriginWhenCrossOrigin) {
return ReferrerPolicy::OriginWhenCrossOrigin;
},
[](Keyword::StrictOriginWhenCrossOrigin) {
return ReferrerPolicy::StrictOriginWhenCrossOrigin;
},
[](Keyword::UnsafeUrl) {
return ReferrerPolicy::UnsafeUrl;
}
);
}
loaderOptions.loadedFromOpaqueSource = modifiers.loadedFromOpaqueSource;
}
} // namespace CSS
} // namespace WebCore
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