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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/network/text_message_provider.h"
#include "chromeos/ash/components/network/managed_network_configuration_handler.h"
#include "chromeos/ash/components/network/metrics/cellular_network_metrics_logger.h"
#include "chromeos/ash/components/network/network_handler.h"
#include "chromeos/ash/components/network/network_metadata_store.h"
#include "chromeos/ash/components/network/network_sms_handler.h"
#include "chromeos/ash/components/network/text_message_suppression_state.h"
#include "components/device_event_log/device_event_log.h"
namespace ash {
TextMessageProvider::TextMessageProvider() = default;
TextMessageProvider::~TextMessageProvider() = default;
void TextMessageProvider::Init(
NetworkSmsHandler* network_sms_handler,
ManagedNetworkConfigurationHandler* managed_network_configuration_handler) {
CHECK(network_sms_handler);
CHECK(managed_network_configuration_handler);
managed_network_configuration_handler_ =
managed_network_configuration_handler;
network_sms_handler_observer_.Observe(network_sms_handler);
network_policy_observer_.Observe(managed_network_configuration_handler_);
}
void TextMessageProvider::MessageReceivedFromNetwork(
const std::string& guid,
const TextMessageData& message_data) {
if (!ShouldAllowTextMessages(guid)) {
NET_LOG(EVENT) << "Suppressing text message from network with guid: "
<< guid;
return;
}
NET_LOG(EVENT) << "Allowing text message from network with guid: " << guid;
for (auto& observer : observers_) {
observer.MessageReceived(guid, message_data);
}
}
void TextMessageProvider::PoliciesChanged(const std::string& userhash) {
std::optional<PolicyTextMessageSuppressionState> old_state =
policy_suppression_state_;
policy_suppression_state_ =
managed_network_configuration_handler_->GetAllowTextMessages();
// Only log metrics when the suppression state changes.
if (!old_state.has_value() || policy_suppression_state_ != old_state) {
CellularNetworkMetricsLogger::LogPolicyTextMessageSuppressionState(
*policy_suppression_state_);
}
}
void TextMessageProvider::LogTextMessageNotificationMetrics(
const std::string& guid) {
auto notification_suppression_state = CellularNetworkMetricsLogger::
NotificationSuppressionState::kNotSuppressed;
// Policy suppression state takes precedence over user set suppression state.
if (IsAllowTextMessagesPolicySet()) {
if (*policy_suppression_state_ ==
PolicyTextMessageSuppressionState::kSuppress) {
notification_suppression_state = CellularNetworkMetricsLogger::
NotificationSuppressionState::kPolicySuppressed;
}
} else if (IsMessageSuppressedByUser(guid)) {
notification_suppression_state = CellularNetworkMetricsLogger::
NotificationSuppressionState::kUserSuppressed;
}
CellularNetworkMetricsLogger::LogTextMessageNotificationSuppressionState(
notification_suppression_state);
}
bool TextMessageProvider::IsAllowTextMessagesPolicySet() {
return policy_suppression_state_.has_value() &&
*policy_suppression_state_ !=
PolicyTextMessageSuppressionState::kUnset;
}
bool TextMessageProvider::IsMessageSuppressedByUser(const std::string& guid) {
return !guid.empty() && network_metadata_store_ &&
network_metadata_store_->GetUserTextMessageSuppressionState(guid) ==
UserTextMessageSuppressionState::kSuppress;
}
bool TextMessageProvider::ShouldAllowTextMessages(const std::string& guid) {
if (IsAllowTextMessagesPolicySet()) {
return *policy_suppression_state_ ==
PolicyTextMessageSuppressionState::kAllow;
}
return !IsMessageSuppressedByUser(guid);
}
void TextMessageProvider::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void TextMessageProvider::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void TextMessageProvider::SetNetworkMetadataStore(
NetworkMetadataStore* network_metadata_store) {
network_metadata_store_ = network_metadata_store;
}
} // namespace ash
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