An easy, lightweight, and secure module for fetching JWK Public Keys and verifying JWTs. Great for OIDC, Auth0, JWKs URLs.
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"use strict";
var keyfetch = require("./keyfetch.js");
var testIss = "https://example.auth0.com";
keyfetch.init({});
keyfetch
.oidcJwks(testIss)
.then(function (hits) {
keyfetch._clear();
//console.log(hits);
return keyfetch.oidcJwk(hits[0].thumbprint, testIss).then(function () {
return keyfetch.oidcJwk(hits[0].thumbprint, testIss).then(function (/*jwk*/) {
//console.log(jwk);
});
});
})
.then(function () {
console.log("Fetching PASSES");
})
.catch(function (err) {
console.error("NONE SHALL PASS!");
console.error(err);
process.exit(1);
});
/*global Promise*/
var keypairs = require("keypairs.js");
keypairs.generate().then(function (pair) {
return Promise.all([
keypairs
.signJwt({
jwk: pair.private,
iss: "https://example.com/",
sub: "mikey",
exp: "1h"
})
.then(function (jwt) {
return Promise.all([
keyfetch.jwt.verify(jwt, { jwk: pair.public }).then(function (verified) {
if (!(verified.claims && verified.claims.exp)) {
throw new Error("malformed decoded token");
}
}),
keyfetch.jwt.verify(keyfetch.jwt.decode(jwt), { jwk: pair.public }).then(function (verified) {
if (!(verified.claims && verified.claims.exp)) {
throw new Error("malformed decoded token");
}
}),
keyfetch.jwt.verify(jwt, { jwks: [pair.public] }),
keyfetch.jwt.verify(jwt, {
jwk: pair.public,
issuers: ["https://example.com/"]
}),
keyfetch.jwt.verify(jwt, {
jwk: pair.public,
issuers: ["https://example.com"]
}),
keyfetch.jwt.verify(jwt, {
jwk: pair.public,
issuers: ["example.com"]
}),
keyfetch.jwt.verify(jwt, {
jwk: pair.public,
issuers: ["example.com/"]
}),
keyfetch.jwt.verify(jwt, {
jwk: pair.public,
issuers: ["*"]
}),
keyfetch.jwt
.verify(jwt, {
jwk: pair.public,
issuers: ["http://example.com"]
})
.then(e("bad scheme"))
.catch(throwIfNotExpected),
keyfetch.jwt
.verify(jwt, {
jwk: pair.public,
issuers: ["https://www.example.com"]
})
.then(e("bad prefix"))
.catch(throwIfNotExpected),
keyfetch.jwt
.verify(jwt, {
jwk: pair.public,
issuers: ["https://wexample.com"]
})
.then(e("bad sld"))
.catch(throwIfNotExpected),
keyfetch.jwt
.verify(jwt, {
jwk: pair.public,
issuers: ["https://example.comm"]
})
.then(e("bad tld"))
.catch(throwIfNotExpected),
keyfetch.jwt.verify(jwt, {
jwk: pair.public,
claims: { iss: "https://example.com/" }
}),
keyfetch.jwt
.verify(jwt, {
jwk: pair.public,
claims: { iss: "https://example.com" }
})
.then(e("inexact claim"))
.catch(throwIfNotExpected)
]);
}),
keypairs
.signJwt({
jwk: pair.private,
iss: false,
sub: "mikey",
exp: "1h"
})
.then(function (jwt) {
return Promise.all([
keyfetch.jwt.verify(jwt, { jwk: pair.public }),
keyfetch.jwt.verify(jwt).then(e("should have an issuer")).catch(throwIfNotExpected),
keyfetch.jwt
.verify(jwt, {
jwk: pair.public,
issuers: ["https://example.com/"]
})
.then(e("fail when issuer specified and doesn't exist"))
.catch(throwIfNotExpected)
]);
})
])
.then(function () {
console.log("JWT PASSES");
})
.catch(function (err) {
console.error("NONE SHALL PASS!");
console.error(err);
process.exit(1);
});
});
/*
var jwt = '...';
keyfetch.verify({ jwt: jwt }).catch(function (err) {
console.log(err);
});
*/
function e(msg) {
return new Error("ETEST: " + msg);
}
function throwIfNotExpected(err) {
if ("ETEST" === err.message.slice(0, 5)) {
throw err;
}
}