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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 "chromeos/ash/components/report/device_metrics/use_case/use_case.h"
#include "chromeos/ash/components/report/device_metrics/use_case/psm_client_manager.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
namespace psm_rlwe = private_membership::rlwe;
namespace ash::report::device_metrics {
UseCaseParameters::UseCaseParameters(
const base::Time active_ts,
const ChromeDeviceMetadataParameters& chrome_device_params,
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
const std::string& high_entropy_seed,
PrefService* local_state,
PsmClientManager* psm_client_manager)
: active_ts_(active_ts),
chrome_device_params_(chrome_device_params),
url_loader_factory_(url_loader_factory),
high_entropy_seed_(high_entropy_seed),
local_state_(local_state),
psm_client_manager_(psm_client_manager) {}
UseCaseParameters::~UseCaseParameters() = default;
const base::Time UseCaseParameters::GetActiveTs() const {
return active_ts_;
}
const ChromeDeviceMetadataParameters& UseCaseParameters::GetChromeDeviceParams()
const {
return chrome_device_params_;
}
scoped_refptr<network::SharedURLLoaderFactory>
UseCaseParameters::GetUrlLoaderFactory() const {
return url_loader_factory_;
}
const std::string& UseCaseParameters::GetHighEntropySeed() const {
return high_entropy_seed_;
}
PrefService* UseCaseParameters::GetLocalState() const {
return local_state_;
}
PsmClientManager* UseCaseParameters::GetPsmClientManager() const {
return psm_client_manager_;
}
UseCase::UseCase(UseCaseParameters* params) : params_(params) {}
UseCase::~UseCase() = default;
net::NetworkTrafficAnnotationTag UseCase::GetCheckMembershipTrafficTag() {
return net::DefineNetworkTrafficAnnotation("report_check_membership",
R"(
semantics {
sender: "Fresnel Report"
description:
"Check the status of the Chrome OS devices in a private "
"set, through Private Set Membership (PSM) services."
trigger: "Chrome OS client makes this network request and records "
"the device activity when the default network changes"
data: "Google API Key."
destination: GOOGLE_OWNED_SERVICE
internal {
contacts {
email: "hirthanan@google.com"
}
contacts {
email: "chromeos-data-eng@google.com"
}
}
user_data {
type: ACCESS_TOKEN
}
last_reviewed: "2023-07-05"
}
policy {
cookies_allowed: NO
setting: "This feature cannot be disabled in settings."
policy_exception_justification: "Not implemented."
})");
}
net::NetworkTrafficAnnotationTag UseCase::GetCheckInTrafficTag() {
return net::DefineNetworkTrafficAnnotation("report_check_in", R"(
semantics {
sender: "Fresnel Report"
description:
"After checking that the Chrome device doesn't have the "
"membership of PSM, Chrome devices make an 'import network' "
"request which lets Fresnel Service import data into "
"PSM storage and Google web server Logs. Fresnel Service "
"is operating system images to be retrieved and provisioned "
"from anywhere internet access is available. So when a new "
"Chrome OS device joins a LAN, it gets added to the Private "
"Set of that LAN. The import request contains an encrypted "
"derived device id, and metadata used to calculate churn."
trigger: "Chrome OS client makes this network request and records "
"the device activity when the default network changes"
data: "Google API Key and metadata that is used to count device actives and churn."
destination: GOOGLE_OWNED_SERVICE
internal {
contacts {
email: "hirthanan@google.com"
}
contacts {
email: "chromeos-data-eng@google.com"
}
}
user_data {
type: ACCESS_TOKEN
type: OTHER
}
last_reviewed: "2023-07-05"
}
policy {
cookies_allowed: NO
setting: "This feature cannot be disabled in settings."
policy_exception_justification: "Not implemented."
})");
}
UseCaseParameters* UseCase::GetParams() const {
return params_;
}
} // namespace ash::report::device_metrics
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