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<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/profiles/profileTokens.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">All files</a> / <a href="index.html">src/profiles</a> profileTokens.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 79.59% Statements 39/49 </div> <div class='fl pad1y space-right2'> 60.53% Branches 23/38 </div> <div class='fl pad1y space-right2'> 100% Functions 4/4 </div> <div class='fl pad1y space-right2'> 79.59% Lines 39/49 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. </div> <div class='status-line medium'></div> 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11x       11x    </td><td class="text"><pre class="prettyprint lang-js">import { ECPair } from 'bitcoinjs-lib' import { decodeToken, SECP256K1Client, TokenSigner, TokenVerifier } from 'jsontokens'   import { nextYear, makeUUID4, ecPairToAddress } from '../utils'   /** * Signs a profile token * @param {Object} profile - the JSON of the profile to be signed * @param {String} privateKey - the signing private key * @param {Object} subject - the entity that the information is about * @param {Object} issuer - the entity that is issuing the token * @param {String} signingAlgorithm - the signing algorithm to use * @param {Date} issuedAt - the time of issuance of the token * @param {Date} expiresAt - the time of expiration of the token * @returns {Object} - the signed profile token */ export function signProfileToken(profile, privateKey, subject = null, issuer = null, signingAlgorithm = 'ES256K', issuedAt = new Date(), expiresAt = nextYear()) { Iif (signingAlgorithm !== 'ES256K') { throw new Error('Signing algorithm not supported') }   const publicKey = SECP256K1Client.derivePublicKey(privateKey)   Eif (subject === null) { subject = { publicKey } }   Eif (issuer === null) { issuer = { publicKey } }   const tokenSigner = new TokenSigner(signingAlgorithm, privateKey)   const payload = { jti: makeUUID4(), iat: issuedAt.toISOString(), exp: expiresAt.toISOString(), subject, issuer, claim: profile }   return tokenSigner.sign(payload) }   /** * Wraps a token for a profile token file * @param {String} token - the token to be wrapped * @returns {Object} - including `token` and `decodedToken` */ export function wrapProfileToken(token) { return { token, decodedToken: decodeToken(token) } }   /** * Verifies a profile token * @param {String} token - the token to be verified * @param {String} publicKeyOrAddress - the public key or address of the * keypair that is thought to have signed the token * @returns {Object} - the verified, decoded profile token * @throws {Error} - throws an error if token verification fails */ export function verifyProfileToken(token, publicKeyOrAddress) { const decodedToken = decodeToken(token) const payload = decodedToken.payload   // Inspect and verify the subject Eif (payload.hasOwnProperty('subject')) { Iif (!payload.subject.hasOwnProperty('publicKey')) { throw new Error('Token doesn\'t have a subject public key') } } else { throw new Error('Token doesn\'t have a subject') }   // Inspect and verify the issuer Eif (payload.hasOwnProperty('issuer')) { Iif (!payload.issuer.hasOwnProperty('publicKey')) { throw new Error('Token doesn\'t have an issuer public key') } } else { throw new Error('Token doesn\'t have an issuer') }   // Inspect and verify the claim Iif (!payload.hasOwnProperty('claim')) { throw new Error('Token doesn\'t have a claim') }   const issuerPublicKey = payload.issuer.publicKey const publicKeyBuffer = new Buffer(issuerPublicKey, 'hex')   const compressedKeyPair = ECPair.fromPublicKey(publicKeyBuffer, { compressed: true }) const compressedAddress = ecPairToAddress(compressedKeyPair) const uncompressedKeyPair = ECPair.fromPublicKey(publicKeyBuffer, { compressed: false }) const uncompressedAddress = ecPairToAddress(uncompressedKeyPair)   if (publicKeyOrAddress === issuerPublicKey) { // pass } else if (publicKeyOrAddress === compressedAddress) { // pass } else Eif (publicKeyOrAddress === uncompressedAddress) { // pass } else { throw new Error('Token issuer public key does not match the verifying value') }   const tokenVerifier = new TokenVerifier(decodedToken.header.alg, issuerPublicKey) Iif (!tokenVerifier) { throw new Error('Invalid token verifier') }   const tokenVerified = tokenVerifier.verify(token) Iif (!tokenVerified) { throw new Error('Token verification failed') }   return decodedToken }   /** * Extracts a profile from an encoded token and optionally verifies it, * if `publicKeyOrAddress` is provided. * @param {String} token - the token to be extracted * @param {String} publicKeyOrAddress - the public key or address of the * keypair that is thought to have signed the token * @returns {Object} - the profile extracted from the encoded token * @throws {Error} - if the token isn't signed by the provided `publicKeyOrAddress` */ export function extractProfile(token, publicKeyOrAddress = null) { let decodedToken Eif (publicKeyOrAddress) { decodedToken = verifyProfileToken(token, publicKeyOrAddress) } else { decodedToken = decodeToken(token) }   let profile = {} Eif (decodedToken.hasOwnProperty('payload')) { const payload = decodedToken.payload Eif (payload.hasOwnProperty('claim')) { profile = decodedToken.payload.claim } }   return profile }  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Mon Mar 11 2019 16:28:28 GMT-0400 (Eastern Daylight Time) </div> </div> <script src="../../prettify.js"></script> <script> 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