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// Copyright 2023 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 <string>
#include "base/apple/bundle_locations.h"
#include "base/apple/foundation_util.h"
#include "base/check.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/no_destructor.h"
#include "base/strings/sys_string_conversions.h"
#include "base/types/expected.h"
#include "chrome/common/channel_info.h"
#include "chrome/updater/tag.h"
namespace google_brand {
namespace {
std::string ReadBrandFile(NSString* path) {
NSURL* path_url = [NSURL fileURLWithPath:path];
NSDictionary* brand_dictionary =
[NSDictionary dictionaryWithContentsOfURL:path_url error:nil];
return base::SysNSStringToUTF8(
base::apple::ObjCCast<NSString>(brand_dictionary[@"KSBrandID"]));
}
std::string GetBrandInternal() {
// Non-side-by-side dev and beta do not have a brand code.
if (!chrome::IsSideBySideCapable()) {
return {};
}
// If there is a system brand file, use it.
NSFileManager* fm = NSFileManager.defaultManager;
NSString* system_brand_file =
[@"/Library/Google/Google Chrome Brand.plist" stringByStandardizingPath];
if ([fm fileExistsAtPath:system_brand_file]) {
return ReadBrandFile(system_brand_file);
}
// Otherwise, use the brand code from within the app, if present.
// If this mismatches a user brand code file, the updater will fix it on the
// next update.
// Extended attribute brand codes, if present, have priority over Info.plist
// brand codes.
base::expected<updater::tagging::TagArgs, updater::tagging::ErrorCode>
xattr_tag = updater::tagging::ReadTagFromApplicationInstanceXattr(
base::apple::OuterBundlePath());
if (xattr_tag.has_value()) {
return xattr_tag->brand_code;
}
NSString* app_bundle_brand_id = base::apple::ObjCCast<NSString>(
base::apple::OuterBundle().infoDictionary[@"KSBrandID"]);
if (app_bundle_brand_id) {
return base::SysNSStringToUTF8(app_bundle_brand_id);
}
// Otherwise, use the user brand code file, if present.
NSString* user_brand_file =
[@"~/Library/Google/Google Chrome Brand.plist" stringByStandardizingPath];
if ([fm fileExistsAtPath:user_brand_file]) {
return ReadBrandFile(user_brand_file);
}
// Otherwise, there is no brand code.
return {};
}
} // namespace
bool GetBrand(std::string* brand) {
if (g_brand_for_testing) {
*brand = g_brand_for_testing;
return true;
}
static base::NoDestructor<std::string> s_brand_code(GetBrandInternal());
*brand = *s_brand_code;
return true;
}
bool GetReactivationBrand(std::string* brand) {
brand->clear();
return true;
}
} // namespace google_brand
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