From: uazo Date: Wed, 16 Feb 2022 14:28:58 +0000 Subject: Disable UA full version getHighEntropyValues will return only the major version Original License: GPL-2.0-or-later - https://spdx.org/licenses/GPL-2.0-or-later.html License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html Change-Id: I6c208819a50b77994890116d412762ee731434e4 --- .../renderer/core/frame/navigator_ua_data.cc | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/third_party/blink/renderer/core/frame/navigator_ua_data.cc b/third_party/blink/renderer/core/frame/navigator_ua_data.cc --- a/third_party/blink/renderer/core/frame/navigator_ua_data.cc +++ b/third_party/blink/renderer/core/frame/navigator_ua_data.cc @@ -6,6 +6,8 @@ #include "base/compiler_specific.h" #include "base/task/single_thread_task_runner.h" +#include "base/version.h" +#include "base/strings/strcat.h" #include "third_party/blink/public/common/privacy_budget/identifiability_metric_builder.h" #include "third_party/blink/public/common/privacy_budget/identifiability_study_settings.h" #include "third_party/blink/public/common/privacy_budget/identifiable_surface.h" @@ -39,6 +41,16 @@ void MaybeRecordMetric(bool record_identifiability, .Record(execution_context->UkmRecorder()); } +const String GetReducedVersionNumber(const std::string& fullVersion) { + base::Version version(fullVersion); + std::string version_str; + const std::vector& components = version.components(); + if (components.size() > 0) { + version_str = base::StrCat({base::NumberToString(components[0]), ".0.0.0"}); + } + return String::FromUTF8(version_str); +} + } // namespace NavigatorUAData::NavigatorUAData(ExecutionContext* context) @@ -77,7 +89,7 @@ void NavigatorUAData::SetFullVersionList( const UserAgentBrandList& full_version_list) { for (const auto& brand_version : full_version_list) { AddBrandFullVersion(String::FromUTF8(brand_version.brand), - String::FromUTF8(brand_version.version)); + GetReducedVersionNumber(brand_version.version)); } } @@ -99,7 +111,7 @@ void NavigatorUAData::SetModel(const String& model) { } void NavigatorUAData::SetUAFullVersion(const String& ua_full_version) { - ua_full_version_ = ua_full_version; + ua_full_version_ = GetReducedVersionNumber(ua_full_version.Ascii()); } void NavigatorUAData::SetBitness(const String& bitness) { -- 2.40.1