1 /* <lambda>null2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.libraries.pcc.chronicle.api.policy 18 19 import com.android.libraries.pcc.chronicle.api.error.MalformedPolicySet 20 21 /** 22 * Applies the following conformance rules to the set of [Policies][Policy] passed to it: 23 * 24 * 1. All [Policies][Policy] must have non-empty [Policy.description] values. 25 * 1. All [PolicyTargets][PolicyTarget] must contain at least one [PolicyRetention] value. 26 */ 27 class DefaultPolicyConformanceCheck : PolicyConformanceCheck { 28 override fun checkPoliciesConform(policies: Set<Policy>) { 29 val issues = 30 policies.flatMap { ensureDescriptionExists(it) + ensureTargetsSpecifyRetentionRules(it) } 31 32 if (issues.isNotEmpty()) { 33 throw MalformedPolicySet(issues.joinToString(", ", prefix = "Malformed policies found: ")) 34 } 35 } 36 37 private fun ensureDescriptionExists(policy: Policy): List<String> { 38 if (policy.description.isNotBlank()) return emptyList() 39 return listOf("Policy: \"${policy.name}\" has an empty description") 40 } 41 42 private fun ensureTargetsSpecifyRetentionRules(policy: Policy): List<String> { 43 return policy.targets.mapNotNull { target -> 44 if (target.retentions.isNotEmpty()) return@mapNotNull null 45 46 "Target \"${target.schemaName}\" from policy: \"${policy.name}\" does not specify " + 47 "any retention rules" 48 } 49 } 50 } 51