[webkit-changes] [WebKit/WebKit] dea5f8: Try loading fonts with CTFontManagerCreateMemorySa...

Wed, 14 Feb 2024 18:40:45 -0800 

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: dea5f8e4a1495d6a7ae3d295d12ec5a99969861c
      
https://github.com/WebKit/WebKit/commit/dea5f8e4a1495d6a7ae3d295d12ec5a99969861c
  Author: Félix Cloutier <[email protected]>
  Date:   2024-02-14 (Wed, 14 Feb 2024)

  Changed paths:
    M Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
    M Source/WebCore/Headers.cmake
    M Source/WebCore/PAL/pal/cf/CoreTextSoftLink.cpp
    M Source/WebCore/PAL/pal/cf/CoreTextSoftLink.h
    M Source/WebCore/Sources.txt
    M Source/WebCore/WebCore.order
    M Source/WebCore/WebCore.xcodeproj/project.pbxproj
    M Source/WebCore/css/CSSFontFace.cpp
    M Source/WebCore/css/CSSFontFaceSource.cpp
    M Source/WebCore/css/FontFace.cpp
    R Source/WebCore/loader/cache/AllowedFonts.cpp
    R Source/WebCore/loader/cache/AllowedFonts.h
    M Source/WebCore/loader/cache/CachedFont.cpp
    M Source/WebCore/loader/cache/CachedFont.h
    M Source/WebCore/loader/cache/CachedFontLoadRequest.h
    A Source/WebCore/loader/cache/TrustedFonts.cpp
    A Source/WebCore/loader/cache/TrustedFonts.h
    M Source/WebCore/page/Quirks.cpp
    M Source/WebCore/page/Settings.yaml
    M Source/WebCore/page/SettingsBase.h
    M Source/WebCore/platform/graphics/FontCustomPlatformData.h
    M 
Source/WebCore/platform/graphics/coretext/FontCustomPlatformDataCoreText.cpp
    M Source/WebCore/platform/graphics/coretext/FontPlatformDataCoreText.cpp
    M 
Source/WebCore/platform/graphics/freetype/FontCustomPlatformDataFreeType.cpp
    M Source/WebCore/platform/graphics/win/FontCustomPlatformDataWin.cpp
    M Source/WebCore/workers/WorkerFontLoadRequest.cpp
    M Source/WebKit/Shared/WebCoreArgumentCoders.cpp
    M Source/WebKit/Shared/WebCoreArgumentCoders.serialization.in
    M Source/WebKit/Shared/win/WebCoreArgumentCodersWin.cpp
    M Source/WebKit/WebProcess/WebPage/WebPage.cpp

  Log Message:
  -----------
  Try loading fonts with CTFontManagerCreateMemorySafeFontDescriptorFromData in 
Lockdown Mode.

https://bugs.webkit.org/show_bug.cgi?id=267948

rdar://121280542

Reviewed by Brent Fulgham and Chris Dumez.

Most Web fonts are not parsed in Lockdown Mode. On systems that provide an
alternative, safe font parser, try to use that font parser. Whether to enable
a fallback font parser is controlled by the LockdownFontParserEnabled setting,
added in "testable" status.

* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml:
* Source/WebCore/Headers.cmake:
* Source/WebCore/PAL/pal/cf/CoreTextSoftLink.cpp:
* Source/WebCore/PAL/pal/cf/CoreTextSoftLink.h:
* Source/WebCore/Sources.txt:
* Source/WebCore/WebCore.order:
* Source/WebCore/WebCore.xcodeproj/project.pbxproj:
* Source/WebCore/css/CSSFontFace.cpp:
(WebCore::CSSFontFace::appendSources):
* Source/WebCore/css/CSSFontFaceSource.cpp:
(WebCore::CSSFontFaceSource::load):
* Source/WebCore/css/FontFace.cpp:
(WebCore::FontFace::create):
* Source/WebCore/loader/cache/CachedFont.cpp:
(WebCore::CachedFont::policyForCustomFont):
(WebCore::CachedFont::finishLoading):
(WebCore::CachedFont::ensureCustomFontData):
(WebCore::CachedFont::createCustomFontData):
(WebCore::CachedFont::createCustomFontDataExperimentalParser):
(WebCore::CachedFont::shouldAllowCustomFont): Deleted.
* Source/WebCore/loader/cache/CachedFont.h:
(WebCore::CachedFont::didRefuseToParseCustomFont const):
(WebCore::CachedFont::didRefuseToLoadCustomFont const): Deleted.
* Source/WebCore/loader/cache/CachedFontLoadRequest.h:
* Source/WebCore/loader/cache/TrustedFonts.cpp: Renamed from 
Source/WebCore/loader/cache/AllowedFonts.cpp.
(WebCore::trustedFontHashesInLockdownMode):
(WebCore::hashForFontData):
(WebCore::fontBinaryParsingPolicy):
* Source/WebCore/loader/cache/TrustedFonts.h: Renamed from 
Source/WebCore/loader/cache/AllowedFonts.h.
* Source/WebCore/page/Quirks.cpp:
(WebCore::Quirks::shouldEnableFontLoadingAPIQuirk const):
* Source/WebCore/page/Settings.yaml:
* Source/WebCore/page/SettingsBase.h:
* Source/WebCore/platform/graphics/FontCustomPlatformData.h:
* Source/WebCore/platform/graphics/coretext/FontCustomPlatformDataCoreText.cpp:
(WebCore::extractFontCustomPlatformData):
(WebCore::FontCustomPlatformData::create):
(WebCore::FontCustomPlatformData::createMemorySafe):
(WebCore::FontCustomPlatformData::tryMakeFromSerializationData):
(WebCore::createFontCustomPlatformData): Deleted.
* Source/WebCore/platform/graphics/coretext/FontPlatformDataCoreText.cpp:
(WebCore::FontPlatformData::tryMakeFontPlatformData):
* Source/WebCore/platform/graphics/freetype/FontCustomPlatformDataFreeType.cpp:
(WebCore::FontCustomPlatformData::create):
(WebCore::FontCustomPlatformData::createMemorySafe):
(WebCore::createFontCustomPlatformData): Deleted.
* Source/WebCore/platform/graphics/win/FontCustomPlatformDataWin.cpp:
(WebCore::FontCustomPlatformData::create):
(WebCore::FontCustomPlatformData::createMemorySafe):
(WebCore::createFontCustomPlatformData): Deleted.
* Source/WebCore/workers/WorkerFontLoadRequest.cpp:
(WebCore::WorkerFontLoadRequest::ensureCustomFontData):
* Source/WebKit/Shared/WebCoreArgumentCoders.cpp:
(IPC::ArgumentCoder<FontCustomPlatformData>::decode):
* Source/WebKit/Shared/WebCoreArgumentCoders.serialization.in:
* Source/WebKit/Shared/win/WebCoreArgumentCodersWin.cpp:
(IPC::ArgumentCoder<Font>::decodePlatformData):
* Source/WebKit/WebProcess/WebPage/WebPage.cpp:
(WebKit::adjustSettingsForLockdownMode):

Canonical link: https://commits.webkit.org/274689@main


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