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WorkerFontLoadRequest.cpp
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WorkerFontLoadRequest.cpp
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/*
* Copyright (C) 2006-2025 Apple Inc. All rights reserved.
* Copyright (C) 2009 Torch Mobile, Inc.
* Copyright (C) 2021 Metrological Group B.V.
* Copyright (C) 2021 Igalia S.L.
*
* 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. AND ITS CONTRIBUTORS ``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 ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR 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
"
WorkerFontLoadRequest.h
"
#
include
"
CachedFont.h
"
#
include
"
Font.h
"
#
include
"
FontCreationContext.h
"
#
include
"
FontCustomPlatformData.h
"
#
include
"
FontSelectionAlgorithm.h
"
#
include
"
ResourceLoaderOptions.h
"
#
include
"
ServiceWorker.h
"
#
include
"
WorkerGlobalScope.h
"
#
include
"
WorkerThreadableLoader.h
"
#
include
<
WebCore/HTTPStatusCodes.h
>
#
include
<
wtf/TZoneMallocInlines.h
>
namespace
WebCore
{
WTF_MAKE_TZONE_ALLOCATED_IMPL
(WorkerFontLoadRequest);
Ref<WorkerFontLoadRequest>
WorkerFontLoadRequest::create
(
URL
&& url, LoadedFromOpaqueSource loadedFromOpaqueSource)
{
return
adoptRef
(*
new
WorkerFontLoadRequest
(
WTF::move
(url), loadedFromOpaqueSource));
}
WorkerFontLoadRequest::WorkerFontLoadRequest
(
URL
&& url, LoadedFromOpaqueSource loadedFromOpaqueSource)
: m_url(
WTF
::move(url))
, m_loadedFromOpaqueSource(loadedFromOpaqueSource)
{
}
void
WorkerFontLoadRequest::load
(WorkerGlobalScope& workerGlobalScope)
{
m_context = workerGlobalScope;
ResourceRequest request {
URL
{ m_url } };
ASSERT
(request.
httpMethod
() ==
"
GET
"
_s);
FetchOptions fetchOptions;
fetchOptions.
mode
= FetchOptions::Mode::SameOrigin;
fetchOptions.
credentials
= workerGlobalScope.
credentials
();
fetchOptions.
cache
= FetchOptions::Cache::Default;
fetchOptions.
redirect
= FetchOptions::Redirect::Follow;
fetchOptions.
destination
= FetchOptions::Destination::Worker;
ThreadableLoaderOptions options {
WTF::move
(fetchOptions) };
options.
sendLoadCallbacks
= SendCallbackPolicy::SendCallbacks;
options.
contentSecurityPolicyEnforcement
= Ref { *m_context }->
shouldBypassMainWorldContentSecurityPolicy
() ? ContentSecurityPolicyEnforcement::DoNotEnforce : ContentSecurityPolicyEnforcement::EnforceWorkerSrcDirective;
options.
loadedFromOpaqueSource
= m_loadedFromOpaqueSource;
options.
sameOriginDataURLFlag
= SameOriginDataURLFlag::Set;
options.
serviceWorkersMode
= ServiceWorkersMode::All;
if
(
auto
* activeServiceWorker = workerGlobalScope.
activeServiceWorker
())
options.
serviceWorkerRegistrationIdentifier
= activeServiceWorker->
registrationIdentifier
();
WorkerThreadableLoader::loadResourceSynchronously
(workerGlobalScope,
WTF::move
(request), *
this
, options);
}
RefPtr<FontCustomPlatformData>
WorkerFontLoadRequest::loadCustomFont
(SharedBuffer& bytes,
const
String& itemInCollection)
{
RefPtr context = m_context.
get
();
ASSERT
(context);
//
FIXME: We should refactor this so that the unused wrapping parameter is not required.
bool
wrapper =
false
;
return
CachedFont::createCustomFontData
(bytes, itemInCollection, wrapper, context->
settingsValues
().
downloadableBinaryFontTrustedTypes
);
}
bool
WorkerFontLoadRequest::ensureCustomFontData
()
{
if
(!m_fontCustomPlatformData && !m_errorOccurred && !m_isLoading) {
RefPtr<SharedBuffer> contiguousData;
if
(m_data)
contiguousData = m_data.
takeBufferAsContiguous
();
if
(contiguousData) {
RefPtr fontCustomPlatformData =
loadCustomFont
(*contiguousData, m_url.
fragmentIdentifier
().
toString
());
m_data.
append
(*contiguousData);
if
(!fontCustomPlatformData) {
m_errorOccurred =
true
;
return
false
;
}
lazyInitialize
(m_fontCustomPlatformData, fontCustomPlatformData.
releaseNonNull
());
}
}
return
m_fontCustomPlatformData.
get
();
}
RefPtr<Font>
WorkerFontLoadRequest::createFont
(
const
FontDescription& fontDescription,
const
FontCreationContext& fontCreationContext)
{
ASSERT
(m_fontCustomPlatformData);
ASSERT
(m_context);
return
Font::create
(m_fontCustomPlatformData->
fontPlatformData
(fontDescription, fontCreationContext), Font::Origin::Remote);
}
void
WorkerFontLoadRequest::setClient
(FontLoadRequestClient* client)
{
m_fontLoadRequestClient = client;
if
(m_notifyOnClientSet) {
m_notifyOnClientSet =
false
;
client->
fontLoaded
(*
this
);
}
}
void
WorkerFontLoadRequest::didReceiveResponse
(ScriptExecutionContextIdentifier, std::optional<ResourceLoaderIdentifier>,
const
ResourceResponse& response)
{
if
(!response.
isSuccessful
() && response.
httpStatusCode
())
m_errorOccurred =
true
;
}
void
WorkerFontLoadRequest::didReceiveData
(
const
SharedBuffer& buffer)
{
if
(m_errorOccurred)
return
;
m_data.
append
(buffer);
}
void
WorkerFontLoadRequest::didFinishLoading
(ScriptExecutionContextIdentifier, std::optional<ResourceLoaderIdentifier>,
const
NetworkLoadMetrics&)
{
m_isLoading =
false
;
if
(!m_errorOccurred) {
if
(RefPtr client = m_fontLoadRequestClient.
get
())
client->
fontLoaded
(*
this
);
else
m_notifyOnClientSet =
true
;
}
}
void
WorkerFontLoadRequest::didFail
(std::optional<ScriptExecutionContextIdentifier>,
const
ResourceError&)
{
m_errorOccurred =
true
;
if
(RefPtr client = m_fontLoadRequestClient.
get
())
client->
fontLoaded
(*
this
);
}
}
//
namespace WebCore
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