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Add Disable-ua-full-version.patch (#1869)

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* Add Disable-ua-full-version.patch

* add csagan5 suggestions

Co-authored-by: Carmelo Messina <uazo@users.noreply.github.com>
This commit is contained in:
uazo 2022-03-10 15:46:15 +01:00 • committed by Yifeng Wu
parent f89c101a77
commit 8edca3e627
1 changed files with 58 additions and 0 deletions
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58
build/patches/Disable-ua-full-version.patch Normal file
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@ -0,0 +1,58 @@
From: uazo <uazo@users.noreply.github.com>
Date: Wed, 16 Feb 2022 14:28:58 +0000
Subject: Disable ua full version in getHighEntropyValues()
getHighEntropyValues returns only the major version
---
.../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"
@@ -37,6 +39,16 @@ 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<uint32_t>& 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)
@@ -75,7 +87,7 @@ 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));
}
}
@@ -97,7 +109,7 @@ 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) {
--
2.25.1