82 lines
2 KiB
TypeScript
82 lines
2 KiB
TypeScript
import * as jsonld from 'jsonld'
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import * as jsig from 'jsonld-signatures'
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jsig.use('jsonld', jsonld)
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import {
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PRIVATE_RSA_KEY_SIZE,
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BCRYPT_SALT_SIZE
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} from '../initializers'
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import {
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bcryptComparePromise,
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bcryptGenSaltPromise,
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bcryptHashPromise,
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createPrivateKey,
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getPublicKey
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} from './core-utils'
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import { logger } from './logger'
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import { AccountInstance } from '../models/account/account-interface'
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async function createPrivateAndPublicKeys () {
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logger.info('Generating a RSA key...')
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const { key } = await createPrivateKey(PRIVATE_RSA_KEY_SIZE)
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const { publicKey } = await getPublicKey(key)
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return { privateKey: key, publicKey }
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}
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function isSignatureVerified (fromAccount: AccountInstance, signedDocument: object) {
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const publicKeyObject = {
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'@context': jsig.SECURITY_CONTEXT_URL,
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'@id': fromAccount.url,
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'@type': 'CryptographicKey',
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owner: fromAccount.url,
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publicKeyPem: fromAccount.publicKey
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}
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const publicKeyOwnerObject = {
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'@context': jsig.SECURITY_CONTEXT_URL,
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'@id': fromAccount.url,
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publicKey: [ publicKeyObject ]
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}
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const options = {
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publicKey: publicKeyObject,
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publicKeyOwner: publicKeyOwnerObject
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}
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return jsig.promises.verify(signedDocument, options)
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.catch(err => {
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logger.error('Cannot check signature.', err)
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return false
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})
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}
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function signObject (byAccount: AccountInstance, data: any) {
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const options = {
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privateKeyPem: byAccount.privateKey,
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creator: byAccount.url
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}
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return jsig.promises.sign(data, options)
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}
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function comparePassword (plainPassword: string, hashPassword: string) {
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return bcryptComparePromise(plainPassword, hashPassword)
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}
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async function cryptPassword (password: string) {
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const salt = await bcryptGenSaltPromise(BCRYPT_SALT_SIZE)
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return bcryptHashPromise(password, salt)
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}
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// ---------------------------------------------------------------------------
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export {
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isSignatureVerified,
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comparePassword,
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createPrivateAndPublicKeys,
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cryptPassword,
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signObject
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}
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