feat: Encryption tests for integration-browser #159
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,131 @@ | ||
| /* | ||
| * Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"). You may not use | ||
| * this file except in compliance with the License. A copy of the License is | ||
| * located at | ||
| * | ||
| * http://aws.amazon.com/apache2.0/ | ||
| * | ||
| * or in the "license" file accompanying this file. This file is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or | ||
| * implied. See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| import { | ||
| EncryptManifestList, // eslint-disable-line no-unused-vars | ||
| KeyList, // eslint-disable-line no-unused-vars | ||
| KeyInfoTuple // eslint-disable-line no-unused-vars | ||
| } from './types' | ||
| import { randomBytes } from 'crypto' | ||
| import { | ||
| AlgorithmSuiteIdentifier, // eslint-disable-line no-unused-vars | ||
| EncryptionContext // eslint-disable-line no-unused-vars | ||
| } from '@aws-crypto/client-browser' | ||
| import { URL } from 'url' | ||
| import { readFileSync, writeFileSync } from 'fs' | ||
| import got from 'got' | ||
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| /* This function interacts with manifest information | ||
| * and produces the fixtures in the `fixtures` | ||
| * that the karma server will consume to run tests. | ||
| * This gives us 2 useful freedoms. | ||
| * 1. The code is not tied to a specific copy of the manifest information | ||
| * 2. The tests can be run on a subset of tests for debugging. | ||
| */ | ||
| export async function buildEncryptFixtures (fixtures: string, manifestFile: string, keyFile: string, testName: string, slice: string) { | ||
| const [start = 0, end = 9999] = (slice || '').split(':').map(n => parseInt(n, 10)) | ||
|
There was a problem hiding this comment. Nitpick: This smells funny. There was a problem hiding this comment. Very funny. Just me working around some cmd line parsing :( |
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| const { tests, plaintexts }: EncryptManifestList = await getParsedJSON(manifestFile) | ||
| const { keys }: KeyList = await getParsedJSON(keyFile) | ||
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| const plaintextBytes: {[name: string]: string} = {} | ||
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| Object | ||
| .keys(plaintexts) | ||
| .forEach(name => { | ||
| /* Generate random bites as per spec. | ||
| * See: https://github.com/awslabs/aws-crypto-tools-test-vector-framework/blob/master/features/0003-awses-message-encryption.md#plaintexts | ||
| */ | ||
| plaintextBytes[name] = randomBytes(10).toString('base64') | ||
| }) | ||
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| const testNames = [] | ||
| let count = 0 | ||
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| for (const [name, testInfo] of Object.entries(tests)) { | ||
| count += 1 | ||
|
|
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| if (testName) { | ||
| if (name !== testName) continue | ||
| } | ||
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| if (slice) { | ||
| if (start >= count) continue | ||
| if (count > end) continue | ||
| } | ||
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| testNames.push(name) | ||
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| const { | ||
| plaintext, | ||
| 'master-keys': masterKeys, | ||
| algorithm, | ||
| 'frame-size': frameLength, | ||
| 'encryption-context': encryptionContext | ||
| } = testInfo | ||
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| const keysInfo = <KeyInfoTuple[]>masterKeys.map(keyInfo => { | ||
| const key = keys[keyInfo.key] | ||
| if (!key) throw new Error(`no key for ${name}`) | ||
| return [keyInfo, key] | ||
| }) | ||
|
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| /* I'm expecting that the encrypt function will throw if this is not a supported AlgorithmSuiteIdentifier */ | ||
| const suiteId = <AlgorithmSuiteIdentifier>parseInt(algorithm, 16) | ||
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| const test: EncryptTestVectorInfo = { | ||
| name, | ||
| keysInfo, | ||
| plainTextData: plaintextBytes[plaintext], | ||
| encryptOp: { suiteId, frameLength, encryptionContext } | ||
| } | ||
|
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| writeFileSync(`${fixtures}/${name}.json`, JSON.stringify(test)) | ||
| } | ||
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| writeFileSync(`${fixtures}/encrypt_tests.json`, JSON.stringify(testNames)) | ||
| } | ||
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| export interface EncryptTestVectorInfo { | ||
| name: string, | ||
| keysInfo: KeyInfoTuple[], | ||
| plainTextData: string, | ||
| encryptOp: { | ||
| suiteId: AlgorithmSuiteIdentifier, | ||
| frameLength: number, | ||
| encryptionContext: EncryptionContext | ||
| } | ||
| } | ||
|
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| async function getParsedJSON (thing: string) { | ||
| try { | ||
| const url = new URL(thing) | ||
| if (url.protocol === 'file:') { | ||
| return jsonAtPath(thing) | ||
| } else { | ||
| return jsonAtUrl(url) | ||
| } | ||
| } catch (ex) { | ||
| return jsonAtPath(thing) | ||
| } | ||
| } | ||
| async function jsonAtUrl (url: URL) { | ||
| const { body } = await got(url) | ||
| return JSON.parse(body) | ||
| } | ||
|
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| function jsonAtPath (path: string) { | ||
| const json = readFileSync(path, { encoding: 'utf-8' }) | ||
| return JSON.parse(json) | ||
| } | ||
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