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// Copyright 2021 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/browsing_data/browsing_data_lifetime_policy_handler.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "components/browsing_data/core/browsing_data_policies_utils.h"
#include "components/policy/core/browser/policy_error_map.h"
#include "components/policy/core/common/policy_logger.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/policy_constants.h"
#include "components/prefs/pref_value_map.h"
#include "components/strings/grit/components_strings.h"
BrowsingDataLifetimePolicyHandler::BrowsingDataLifetimePolicyHandler(
const char* policy_name,
const char* pref_path,
policy::Schema schema)
: policy::SimpleSchemaValidatingPolicyHandler(
policy_name,
pref_path,
schema,
policy::SchemaOnErrorStrategy::SCHEMA_ALLOW_UNKNOWN,
SimpleSchemaValidatingPolicyHandler::RECOMMENDED_PROHIBITED,
SimpleSchemaValidatingPolicyHandler::MANDATORY_ALLOWED),
pref_path_(pref_path) {}
BrowsingDataLifetimePolicyHandler::~BrowsingDataLifetimePolicyHandler() =
default;
bool BrowsingDataLifetimePolicyHandler::CheckPolicySettings(
const policy::PolicyMap& policies,
policy::PolicyErrorMap* errors) {
if (!policy::SimpleSchemaValidatingPolicyHandler::CheckPolicySettings(
policies, errors)) {
// Reset the sync types set in case the policy fails to be set after being
// previously set.
forced_disabled_sync_types_.Clear();
return false;
}
if (!policies.Get(policy_name())) {
// Reset the sync types set in case the policy has been unset after being
// previously set.
forced_disabled_sync_types_.Clear();
return true;
}
// If sync is already disabled or sign in is disabled altogether, the policy
// requirements are automatically met.
const auto* sync_disabled =
policies.GetValue(policy::key::kSyncDisabled, base::Value::Type::BOOLEAN);
if ((sync_disabled && sync_disabled->GetBool())) {
return true;
}
// BrowserSignin policy is not available on ChromeOS.
#if !BUILDFLAG(IS_CHROMEOS)
const auto* browser_signin_disabled = policies.GetValue(
policy::key::kBrowserSignin, base::Value::Type::INTEGER);
if (browser_signin_disabled && browser_signin_disabled->GetInt() == 0) {
return true;
}
#endif
const base::Value* browsing_data_policy =
policies.GetValue(this->policy_name(), base::Value::Type::LIST);
forced_disabled_sync_types_ =
(policy_name() == policy::key::kBrowsingDataLifetime)
? browsing_data::GetSyncTypesForBrowsingDataLifetime(
*browsing_data_policy)
: browsing_data::GetSyncTypesForClearBrowsingData(
*browsing_data_policy);
if (!forced_disabled_sync_types_.empty()) {
errors->AddError(this->policy_name(),
IDS_POLICY_BROWSING_DATA_DEPENDENCY_APPLIED_INFO,
UserSelectableTypeSetToString(forced_disabled_sync_types_),
{}, policy::PolicyMap::MessageType::kInfo);
}
unsupported_types_ =
browsing_data::GetBrowsingDataLifetimePlatformUnsupportedTypes(
*browsing_data_policy);
if (!unsupported_types_.empty()) {
errors->AddError(this->policy_name(),
IDS_POLICY_BROWSING_DATA_PLATFORM_UNSUPPORTED,
base::JoinString(unsupported_types_, ", "), {},
policy::PolicyMap::MessageType::kWarning);
}
return true;
}
void BrowsingDataLifetimePolicyHandler::ApplyPolicySettings(
const policy::PolicyMap& policies,
PrefValueMap* prefs) {
if (unsupported_types_.empty()) {
SimpleSchemaValidatingPolicyHandler::ApplyPolicySettings(policies, prefs);
} else {
// Make a copy of the policy value so as to remove unsupported types before
// adding into prefs. Using GetValueUnsafe, GetList, GetDict is ok here
// because this function is only called if the policy schema is valid.
base::Value filtered_policy_value =
policies.GetValueUnsafe(policy_name())->Clone();
for (auto& item : filtered_policy_value.GetList()) {
base::Value::List& data_types =
item.GetDict().Find("data_types")->GetList();
data_types.erase(
std::remove_if(data_types.begin(), data_types.end(),
[this](const base::Value& type) {
return unsupported_types_.contains(type.GetString());
}),
data_types.end());
}
prefs->SetValue(pref_path_, std::move(filtered_policy_value));
}
// `forced_disabled_sync_types_` will be empty if either SyncDisabled or
// BrowserSignin policy was set.
std::string log_message = browsing_data::DisableSyncTypes(
forced_disabled_sync_types_, prefs, policy_name());
if (!log_message.empty()) {
LOG_POLICY(INFO, POLICY_PROCESSING) << log_message;
}
}
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