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Android fonts fingerprinting mitigation: added flag to webview (#1926)

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Carmelo Messina
2025-04-16 21:32:07 +02:00
parent 7d7b6a8e44
commit 7d7f9fbf7b
1 changed files with 15 additions and 1 deletions
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build/patches/Android-fonts-fingerprinting-mitigation.patch
+15 -1
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@@ -6,6 +6,7 @@ Replaces system fonts with a predefined set downloaded from www.cromite.org
License: GPL-2.0-or-later - https://spdx.org/licenses/GPL-2.0-or-later.html
---
.../common/ProductionSupportedFlagList.java | 3 +
.../component_updater/registration.cc | 9 +
.../java/res/xml/developer_preferences.xml | 5 +
chrome/browser/BUILD.gn | 7 +
@@ -41,7 +42,7 @@ License: GPL-2.0-or-later - https://spdx.org/licenses/GPL-2.0-or-later.html
.../skia/src/ports/SkFontMgr_android_data.cpp | 1640 +++++++++++++++++
.../src/ports/SkFontMgr_android_parser.cpp | 49 +-
.../skia/src/ports/SkFontMgr_android_parser.h | 5 +-
35 files changed, 2407 insertions(+), 79 deletions(-)
36 files changed, 2410 insertions(+), 79 deletions(-)
create mode 100644 chrome/browser/ui/android/strings/cromite_android_chrome_strings_grd/Android-fonts-fingerprinting-mitigation.grdp
create mode 100644 components/component_updater/installer_policies/fonts_pack_component_installer.cc
create mode 100644 components/component_updater/installer_policies/fonts_pack_component_installer.h
@@ -50,6 +51,19 @@ License: GPL-2.0-or-later - https://spdx.org/licenses/GPL-2.0-or-later.html
create mode 100644 cromite_flags/third_party/blink/common/features_h/Android-fonts-fingerprinting-mitigation.inc
create mode 100644 third_party/skia/src/ports/SkFontMgr_android_data.cpp
diff --git a/android_webview/java/src/org/chromium/android_webview/common/ProductionSupportedFlagList.java b/android_webview/java/src/org/chromium/android_webview/common/ProductionSupportedFlagList.java
--- a/android_webview/java/src/org/chromium/android_webview/common/ProductionSupportedFlagList.java
+++ b/android_webview/java/src/org/chromium/android_webview/common/ProductionSupportedFlagList.java
@@ -1056,6 +1056,9 @@ public final class ProductionSupportedFlagList {
"Hides user preference on the system keyboard by setting the standard "
+ "eng layout and removing the layout information from the "
+ "javascript keyboard events."),
+ Flag.baseFeature(
+ "AndroidFontsFingerprintingMitigation",
+ "Android fonts fingerprinting mitigation: replaces all system fonts with the same for all devices.."),
// Add new commandline switches and features above. The final entry should have a
// trailing comma for cleaner diffs.
};
diff --git a/android_webview/nonembedded/component_updater/registration.cc b/android_webview/nonembedded/component_updater/registration.cc
--- a/android_webview/nonembedded/component_updater/registration.cc
+++ b/android_webview/nonembedded/component_updater/registration.cc