add JWK support

Author: felixheck

src/utils.js

@@ -13,7 +13,10 @@ const scheme = joi.object({
   secret: joi.string().min(1),
   publicKey: joi.alternatives().try(
     joi.string().regex(/^-----BEGIN(?: RSA)? PUBLIC KEY-----[\s\S]*-----END(?: RSA)? PUBLIC KEY-----\s?$/ig, 'PEM'),
-    joi.object().type(Buffer)
+    joi.object().type(Buffer),
+    joi.object({
+      kty: joi.string().required()
+    }).unknown(true)
   ),
   minTimeBetweenJwksRequests: joi.number().integer().positive().allow(0).default(0),
   cache: joi.alternatives().try(joi.object({

test.js

@@ -22,6 +22,11 @@ D17VcqTdjlS1Mkr73ZoD1GagWZvuSOaz2P0PhnfapRUF1KkbjjnbyzLpfT8Mgovv
 xBQJDIcRYL5oetXu//V5rNAr0na4zMBkPOi3ArpFp+Z4YKulYmSEG//216rLmzjl
 WKEkH1OK39jddDrMTidlxDKY+THheyQBPZ6pFfbKEM5281glYjkeQpECAwEAAQ==
 -----END RSA PUBLIC KEY-----`
+const publicKeyJWK = {
+  kty: 'RSA',
+  n: 'ALq_ejKEGv25YOXiRapjf_1eKEIymgSZeihL1khgFYEZtj7JxSswiSvWia1IxE0uO9_8enwB18heUCrp-mrzcaVrNlc8JTuLfAYthKUltsNJXndjs0fzBQmFF9QYNNDly5nYdJL3pgAR10ji-GbOJzfea6--ybHRup7cpVprZ2ZaH8ksC4xa1wdiRabp5eJ-3he8vLw-GcsnL4vsZfjrjAOqqJi0JnyAxdKiYdEDLf8YeggeKKCuWhculRzkVOYEujKEoCe_GT4apimskXelNK4Qzqu21olcpJLUz3QdV_2JTG0B6J8qmdM9rIe3u6Ja6FHRNRbA4tEncVdmc733_CCD0hk--IELmlOG7qFVKTI0nVw3ycPZuIv5obGcF9fzFFPDqtQLAR3YE5DVWlcBXOmewKiUhlv5sTCkKrKTq_vwQDPKZ8OQQkf0Z2QSXzIwGIkoeq1WLhFlAQS4GViETQDMkcEvDrVsQA3zgbVcJ_H5sPLHIa6PVw9e1XKk3Y5UtTJK-92aA9RmoFmb7kjms9j9D4Z32qUVBdSpG44528sy6X0_DIKL78QUCQyHEWC-aHrV7v_1eazQK9J2uMzAZDzotwK6RafmeGCrpWJkhBv_9teqy5s45VihJB9Tit_Y3XQ6zE4nZcQymPkx4XskAT2eqRX2yhDOdvNYJWI5HkKR',
+  e: 'AQAB'
+}
 
 /**
  * @type Object
@@ -44,6 +49,7 @@ const clientConfig = {
 const common = Object.assign({}, clientConfig, {
   publicKey,
   publicKeyBuffer,
+  publicKeyJWK,
   baseUrl,
   token,
   realmPath,

test/fixtures/index.js

@@ -125,7 +125,10 @@ test('throw error if options are invalid – publicKey', (t) => {
     false,
     [],
     new RegExp(),
-    {}
+    {},
+    {
+      foobar: 42
+    }
   ]
 
   t.plan(invalids.length)
@@ -339,3 +342,28 @@ test('throw no error if options are valid – publicKey/Buffer/string', (t) => {
       Error, helpers.log('valid.publicKey.Buffer.string', valid))
   })
 })
+
+test('throw no error if options are valid – publicKey/JWK', (t) => {
+  const valids = [
+    {},
+    { cache: {} },
+    { cache: { segment: 'foobar' } },
+    { cache: true },
+    { cache: false },
+    { userInfo: [] },
+    { userInfo: ['string'] },
+    { minTimeBetweenJwksRequests: 0 },
+    { minTimeBetweenJwksRequests: 42 }
+  ]
+
+  t.plan(valids.length)
+
+  valids.forEach((valid) => {
+    t.notThrows(
+      () => utils.verify(helpers.getOptions(Object.assign({
+        secret: undefined,
+        publicKey: fixtures.common.publicKeyJWK
+      }, valid))),
+      Error, helpers.log('valid.publicKey.JWK', valid))
+  })
+})