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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/google/google_brand.h"
#include <algorithm>
#include <optional>
#include <string>
#include <string_view>
#include "base/containers/contains.h"
#include "base/containers/fixed_flat_set.h"
#include "base/no_destructor.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "chrome/installer/util/google_update_settings.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chrome/browser/google/google_brand_chromeos.h"
#endif
namespace google_brand {
const char* g_brand_for_testing = nullptr;
// Global functions -----------------------------------------------------------
#if BUILDFLAG(IS_WIN)
bool GetBrand(std::string* brand) {
if (g_brand_for_testing) {
brand->assign(g_brand_for_testing);
return true;
}
// Cache brand code value, since it is queried a lot and registry queries are
// slow enough to actually affect top-level metrics like
// Omnibox.CharTypedToRepaintLatency.
static const base::NoDestructor<std::optional<std::string>> brand_code(
[]() -> std::optional<std::string> {
std::wstring brandw;
if (!GoogleUpdateSettings::GetBrand(&brandw)) {
return std::nullopt;
}
return base::WideToASCII(brandw);
}());
if (!brand_code->has_value()) {
return false;
}
brand->assign(**brand_code);
return true;
}
bool GetReactivationBrand(std::string* brand) {
std::wstring brandw;
bool ret = GoogleUpdateSettings::GetReactivationBrand(&brandw);
if (ret) {
brand->assign(base::WideToASCII(brandw));
}
return ret;
}
#elif !BUILDFLAG(IS_MAC)
bool GetBrand(std::string* brand) {
if (g_brand_for_testing) {
brand->assign(g_brand_for_testing);
return true;
}
#if BUILDFLAG(IS_CHROMEOS)
brand->assign(google_brand::chromeos::GetBrand());
#else
brand->clear();
#endif
return true;
}
bool GetReactivationBrand(std::string* brand) {
brand->clear();
return true;
}
#endif
bool GetRlzBrand(std::string* brand) {
#if BUILDFLAG(IS_CHROMEOS)
brand->assign(google_brand::chromeos::GetRlzBrand());
return true;
#else
return GetBrand(brand);
#endif
}
bool IsOrganic(const std::string& brand) {
if (brand.empty()) {
// An empty brand string is considered the same as GGLS, which is organic.
// On Mac, channels other than stable never have a brand code. Linux,
// FreeBSD, and OpenBSD never have a brand code. Such installs are always
// organic.
return true;
}
constexpr auto kOrganicBrands = base::MakeFixedFlatSet<std::string_view>(
{"CHCA", "CHCB", "CHCG", "CHCH", "CHCI", "CHCJ", "CHCK", "CHCL", "CHFO",
"CHFT", "CHHS", "CHHM", "CHMA", "CHMB", "CHME", "CHMF", "CHMG", "CHMH",
"CHMI", "CHMQ", "CHMV", "CHNB", "CHNC", "CHNG", "CHNH", "CHNI", "CHOA",
"CHOB", "CHOC", "CHON", "CHOO", "CHOP", "CHOQ", "CHOR", "CHOS", "CHOT",
"CHOU", "CHOX", "CHOY", "CHOZ", "CHPD", "CHPE", "CHPF", "CHPG", "ECBA",
"ECBB", "ECDA", "ECDB", "ECSA", "ECSB", "ECVA", "ECVB", "ECWA", "ECWB",
"ECWC", "ECWD", "ECWE", "ECWF", "EUBB", "EUBC", "GCEL", "GGLA", "GGLS"});
if (kOrganicBrands.contains(brand)) {
return true;
}
// The Chrome enterprise brand code is the only GGR* brand to be non-organic.
if (brand == "GGRV") {
return false;
}
return base::StartsWith(brand, "EUB", base::CompareCase::SENSITIVE) ||
base::StartsWith(brand, "EUC", base::CompareCase::SENSITIVE) ||
base::StartsWith(brand, "GGR", base::CompareCase::SENSITIVE);
}
bool IsOrganicFirstRun(const std::string& brand) {
if (brand.empty()) {
// An empty brand string is the same as GGLS, which is organic.
return true;
}
return base::StartsWith(brand, "GG", base::CompareCase::SENSITIVE) ||
base::StartsWith(brand, "EU", base::CompareCase::SENSITIVE);
}
bool IsInternetCafeBrandCode(const std::string& brand) {
const char* const kBrands[] = {
"CHIQ", "CHSG", "HLJY", "NTMO", "OOBA", "OOBB", "OOBC", "OOBD",
"OOBE", "OOBF", "OOBG", "OOBH", "OOBI", "OOBJ", "IDCM",
};
return base::Contains(kBrands, brand);
}
bool IsEnterprise(const std::string& brand) {
// GCEL is the only GCE* code that is actually organic.
if (brand == "GCEL") {
return false;
}
const char* const kEnterpriseBrands[] = {
"GCE", "GCF", "GCG", "GCH", // CBE brands codes.
"GCO", "GCP", "GCQ", "GCS",
"GCC", "GCK", "GCL", "GCM", // CBE+CBCM brand codes.
"GCT", "GCU", "GCV", "GCW",
};
return brand == "GGRV" ||
std::ranges::any_of(kEnterpriseBrands, [&brand](const char* br) {
return base::StartsWith(brand, br, base::CompareCase::SENSITIVE);
});
}
// BrandForTesting ------------------------------------------------------------
BrandForTesting::BrandForTesting(const std::string& brand) : brand_(brand) {
DCHECK(g_brand_for_testing == nullptr);
g_brand_for_testing = brand_.c_str();
}
BrandForTesting::~BrandForTesting() {
g_brand_for_testing = nullptr;
}
} // namespace google_brand
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