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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/enterprise/data_controls/content/browser/rules_service.h"
#include "components/enterprise/data_controls/core/browser/prefs.h"
namespace data_controls {
RulesService::RulesService(PrefService* pref_service) {
pref_registrar_.Init(pref_service);
pref_registrar_.Add(
kDataControlsRulesPref,
base::BindRepeating(&RulesService::OnDataControlsRulesUpdate,
base::Unretained(this)));
OnDataControlsRulesUpdate();
}
RulesService::~RulesService() = default;
Verdict RulesService::GetVerdict(Rule::Restriction restriction,
const ActionContext& context) const {
Rule::Level max_level = Rule::Level::kNotSet;
Verdict::TriggeredRules triggered_rules;
for (size_t i = 0; i < rules_.size(); ++i) {
const auto& rule = rules_[i];
Rule::Level level = rule.GetLevel(restriction, context);
if (level > max_level) {
max_level = level;
}
if (level != Rule::Level::kNotSet) {
triggered_rules[i] = {
.rule_id = rule.rule_id(),
.rule_name = rule.name(),
};
}
}
switch (max_level) {
case Rule::Level::kNotSet:
return Verdict::NotSet();
case Rule::Level::kReport:
return Verdict::Report(std::move(triggered_rules));
case Rule::Level::kWarn:
return Verdict::Warn(std::move(triggered_rules));
case Rule::Level::kBlock:
return Verdict::Block(std::move(triggered_rules));
case Rule::Level::kAllow:
return Verdict::Allow();
}
}
void RulesService::OnDataControlsRulesUpdate() {
DCHECK(pref_registrar_.prefs());
rules_.clear();
const base::Value::List& rules_list =
pref_registrar_.prefs()->GetList(kDataControlsRulesPref);
for (const base::Value& rule_value : rules_list) {
auto rule = Rule::Create(rule_value);
if (!rule) {
continue;
}
rules_.push_back(std::move(*rule));
}
}
} // namespace data_controls
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