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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | 8x 8x 8x 8x 8x 1832x 8x 2x 8x 11x 11x 11x 8x 2x 2x 2x 2x 8x 6x 6x 6x 8x 3x 3x 8x 7x 7x 7x 8x 912x 8x 1814x 8x 909x 909x 909x 909x 824463x 919x 919x 2880146x 3279x 909x 909x 909x 822649x 2x 1x 907x 8x 8x | import * as crypto from 'crypto'; import { CfnLintFileSchema } from './_private_schema/cfn-lint'; import * as schema from './schema'; export { schema }; export * from './canned-metrics'; /** * The complete AWS CloudFormation Resource specification, having any CDK patches and enhancements included in it. */ export function specification(): schema.Specification { // eslint-disable-next-line @typescript-eslint/no-require-imports return require('../spec/specification.json'); } /** * The complete AWS CloudFormation Resource specification, having any CDK patches and enhancements included in it. */ export function docs(): schema.CloudFormationDocsFile { // eslint-disable-next-line @typescript-eslint/no-require-imports return require('../spec/cfn-docs.json'); } /** * Return the resource specification for the given typename * * Validates that the resource exists. If you don't want this validating behavior, read from * specification() directly. */ export function resourceSpecification(typeName: string): schema.ResourceType { const ret = specification().ResourceTypes[typeName]; Iif (!ret) { throw new Error(`No such resource type: ${typeName}`); } return ret; } /** * Return documentation for the given type */ export function typeDocs(resourceName: string, propertyTypeName?: string): schema.CloudFormationTypeDocs { const key = propertyTypeName ? `${resourceName}.${propertyTypeName}` : resourceName; const ret = docs().Types[key]; Iif (!ret) { return { description: '', properties: {}, }; } return ret; } /** * Get the resource augmentations for a given type */ export function resourceAugmentation(typeName: string): schema.ResourceAugmentation { const fileName = typeName.replace(/::/g, '_'); try { // eslint-disable-next-line @typescript-eslint/no-require-imports return require(`./augmentations/${fileName}.json`); } catch (e) { return {}; } } /** * Get the resource augmentations for a given type */ export function cfnLintAnnotations(typeName: string): schema.CfnLintResourceAnnotations { // eslint-disable-next-line @typescript-eslint/no-require-imports const allAnnotations: CfnLintFileSchema = require('../spec/cfn-lint.json'); return { stateful: !!allAnnotations.StatefulResources.ResourceTypes[typeName], mustBeEmptyToDelete: allAnnotations.StatefulResources.ResourceTypes[typeName]?.DeleteRequiresEmptyResource ?? false, }; } /** * Return the property specification for the given resource's property */ export function propertySpecification(typeName: string, propertyName: string): schema.Property { const ret = resourceSpecification(typeName).Properties![propertyName]; Iif (!ret) { throw new Error(`Resource ${typeName} has no property: ${propertyName}`); } return ret; } /** * The list of resource type names defined in the ``specification``. */ export function resourceTypes() { return Object.keys(specification().ResourceTypes); } /** * The list of namespaces defined in the ``specification``, that is resource name prefixes down to the second ``::``. */ export function namespaces() { return Array.from(new Set(resourceTypes().map(n => n.split('::', 2).join('::')))); } /** * Obtain a filtered version of the AWS CloudFormation specification. * * @param filter the predicate to be used in order to filter which resource types from the ``Specification`` to extract. * When passed as a ``string``, only the specified resource type will be extracted. When passed as a * ``RegExp``, all matching resource types will be extracted. When passed as a ``function``, all resource * types for which the function returned ``true`` will be extracted. * * @return a coherent sub-set of the AWS CloudFormation Resource specification, including all property types related * to the selected resource types. */ export function filteredSpecification(filter: string | RegExp | Filter): schema.Specification { const spec = specification(); const result: schema.Specification = { ResourceTypes: {}, PropertyTypes: {}, Fingerprint: spec.Fingerprint }; const predicate: Filter = makePredicate(filter); for (const type of resourceTypes()) { if (!predicate(type)) { continue; } result.ResourceTypes[type] = spec.ResourceTypes[type]; const prefix = `${type}.`; for (const propType of Object.keys(spec.PropertyTypes!).filter(n => n.startsWith(prefix))) { result.PropertyTypes[propType] = spec.PropertyTypes![propType]; } } result.Fingerprint = crypto.createHash('sha256').update(JSON.stringify(result)).digest('base64'); return result; } export type Filter = (name: string) => boolean; /** * Creates a predicate function from a given filter. * * @param filter when provided as a ``string``, performs an exact match comparison. * when provided as a ``RegExp``, performs uses ``str.match(RegExp)``. * when provided as a ``function``, use the function as-is. * * @returns a predicate function. */ function makePredicate(filter: string | RegExp | Filter): Filter { if (typeof filter === 'string') { return s => s === filter; } else if (typeof filter === 'function') { return filter as Filter; } else { return s => s.match(filter) != null; } } /** * Return the properties of the given type that require the given scrutiny type */ export function scrutinizablePropertyNames(resourceType: string, scrutinyTypes: schema.PropertyScrutinyType[]): string[] { const impl = specification().ResourceTypes[resourceType]; Iif (!impl) { return []; } const ret = new Array<string>(); for (const [propertyName, propertySpec] of Object.entries(impl.Properties || {})) { Iif (scrutinyTypes.includes(propertySpec.ScrutinyType || schema.PropertyScrutinyType.None)) { ret.push(propertyName); } } return ret; } /** * Return the names of the resource types that need to be subjected to additional scrutiny */ export function scrutinizableResourceTypes(scrutinyTypes: schema.ResourceScrutinyType[]): string[] { const ret = new Array<string>(); for (const [resourceType, resourceSpec] of Object.entries(specification().ResourceTypes)) { Iif (scrutinyTypes.includes(resourceSpec.ScrutinyType || schema.ResourceScrutinyType.None)) { ret.push(resourceType); } } return ret; } |