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// Copyright 2019 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/policy/core/common/cloud/policy_invalidation_util.h"
#include "base/strings/string_util.h"
#include "components/invalidation/public/invalidation.h"
#include "components/policy/proto/device_management_backend.pb.h"
namespace policy {
namespace {
constexpr char kFcmPolicyPublicTopicPrefix[] = "cs-";
} // namespace
bool IsPublicInvalidationTopic(const invalidation::Topic& topic) {
return base::StartsWith(topic, kFcmPolicyPublicTopicPrefix,
base::CompareCase::SENSITIVE);
}
bool GetCloudPolicyTopicFromPolicy(
const enterprise_management::PolicyData& policy,
invalidation::Topic* topic) {
if (!policy.has_policy_invalidation_topic() ||
policy.policy_invalidation_topic().empty()) {
return false;
}
*topic = policy.policy_invalidation_topic();
return true;
}
bool GetRemoteCommandTopicFromPolicy(
const enterprise_management::PolicyData& policy,
invalidation::Topic* topic) {
if (!policy.has_command_invalidation_topic() ||
policy.command_invalidation_topic().empty()) {
return false;
}
*topic = policy.command_invalidation_topic();
return true;
}
bool IsInvalidationExpired(const invalidation::Invalidation& invalidation,
const base::Time& last_fetch_time,
const base::Time& current_time) {
// The invalidation version is the timestamp in microseconds. If the
// invalidation occurred before the last fetch, then the invalidation
// is expired.
base::Time invalidation_time =
base::Time::UnixEpoch() + base::Microseconds(invalidation.version()) +
invalidation_timeouts::kMaxInvalidationTimeDelta;
return invalidation_time < last_fetch_time;
}
PolicyInvalidationType GetInvalidationMetric(bool is_missing_payload,
bool is_expired) {
if (is_expired) {
if (is_missing_payload) {
return POLICY_INVALIDATION_TYPE_NO_PAYLOAD_EXPIRED;
}
return POLICY_INVALIDATION_TYPE_EXPIRED;
}
if (is_missing_payload) {
return POLICY_INVALIDATION_TYPE_NO_PAYLOAD;
}
return POLICY_INVALIDATION_TYPE_NORMAL;
}
} // namespace policy
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