WIP Building out all features necessary for Let's Encrypt #6
4
app.js
4
app.js
@ -114,7 +114,7 @@
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acme.init('https://acme-staging-v02.api.letsencrypt.org/directory').then(function (result) {
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console.log('acme result', result);
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var privJwk = JSON.parse($('.js-jwk').innerText).private;
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var email = $('.js-email').innerText;
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var email = $('.js-email').value;
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function checkTos(tos) {
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console.log("TODO checkbox for agree to terms");
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return tos;
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@ -130,7 +130,7 @@
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, modulusLength: 2048
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}).then(function (pair) {
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console.log('domain keypair:', pair);
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var domains = ($('.js-domains').innerText||'example.com').split(/[, ]+/g);
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var domains = ($('.js-domains').value||'example.com').split(/[, ]+/g);
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return acme.certificates.create({
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accountKeypair: { privateKeyJwk: privJwk }
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, account: account
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91
lib/acme.js
91
lib/acme.js
@ -29,20 +29,19 @@ ACME.challengePrefixes = {
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};
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ACME.challengeTests = {
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'http-01': function (me, auth) {
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var url = 'http://' + auth.hostname + ACME.challengePrefixes['http-01'] + '/' + auth.token;
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return me.request({ method: 'GET', url: url }).then(function (resp) {
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return me.http01(auth).then(function (keyAuth) {
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var err;
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// TODO limit the number of bytes that are allowed to be downloaded
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if (auth.keyAuthorization === resp.body.toString('utf8').trim()) {
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if (auth.keyAuthorization === (keyAuth||'').trim()) {
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return true;
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}
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err = new Error(
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"Error: Failed HTTP-01 Pre-Flight / Dry Run.\n"
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+ "curl '" + url + "'\n"
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+ "curl '" + auth.challengeUrl + "'\n"
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+ "Expected: '" + auth.keyAuthorization + "'\n"
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+ "Got: '" + resp.body + "'\n"
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+ "Got: '" + keyAuth + "'\n"
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+ "See https://git.coolaj86.com/coolaj86/acme-v2.js/issues/4"
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);
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err.code = 'E_FAIL_DRY_CHALLENGE';
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@ -51,10 +50,7 @@ ACME.challengeTests = {
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}
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, 'dns-01': function (me, auth) {
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// remove leading *. on wildcard domains
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return me.dig({
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type: 'TXT'
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, name: auth.dnsHost
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}).then(function (ans) {
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return me.dns01(auth).then(function (ans) {
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var err;
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if (ans.answer.some(function (txt) {
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@ -154,7 +150,7 @@ ACME._registerAccount = function (me, options) {
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, kid: options.externalAccount.id
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, url: me._directoryUrls.newAccount
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}
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, payload: Enc.strToBuf(JSON.stringify(pair.public))
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, payload: Enc.binToBuf(JSON.stringify(pair.public))
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}).then(function (jws) {
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body.externalAccountBinding = jws;
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return body;
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@ -390,6 +386,7 @@ ACME._challengeToAuth = function (me, options, request, challenge, dryrun) {
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// keyAuthorization = token || '.' || base64url(JWK_Thumbprint(accountKey))
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auth.keyAuthorization = challenge.token + '.' + auth.thumbprint;
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// conflicts with ACME challenge id url is already in use, so we call this challengeUrl instead
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// TODO auth.http01Url ?
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auth.challengeUrl = 'http://' + auth.identifier.value + ACME.challengePrefixes['http-01'] + '/' + auth.token;
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auth.dnsHost = dnsPrefix + '.' + auth.hostname.replace('*.', '');
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@ -440,7 +437,7 @@ ACME._postChallenge = function (me, options, auth) {
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options: options
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, url: auth.url
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, protected: { kid: options._kid }
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, payload: Enc.strToBuf(JSON.stringify({ "status": "deactivated" }))
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, payload: Enc.binToBuf(JSON.stringify({ "status": "deactivated" }))
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}).then(function (resp) {
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if (me.debug) { console.debug('deactivate challenge: resp.body:'); }
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if (me.debug) { console.debug(resp.body); }
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@ -515,7 +512,7 @@ ACME._postChallenge = function (me, options, auth) {
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options: options
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, url: auth.url
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, protected: { kid: options._kid }
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, payload: Enc.strToBuf(JSON.stringify({}))
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, payload: Enc.binToBuf(JSON.stringify({}))
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}).then(function (resp) {
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if (me.debug) { console.debug('respond to challenge: resp.body:'); }
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if (me.debug) { console.debug(resp.body); }
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@ -576,7 +573,7 @@ ACME._finalizeOrder = function (me, options, validatedDomains) {
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options: options
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, url: options._finalize
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, protected: { kid: options._kid }
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, payload: Enc.strToBuf(payload)
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, payload: Enc.binToBuf(payload)
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}).then(function (resp) {
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if (me.debug) { console.debug('order finalized: resp.body:'); }
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if (me.debug) { console.debug(resp.body); }
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@ -717,7 +714,7 @@ ACME._getCertificate = function (me, options) {
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options: options
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, url: me._directoryUrls.newOrder
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, protected: { kid: options._kid }
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, payload: Enc.strToBuf(payload)
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, payload: Enc.binToBuf(payload)
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}).then(function (resp) {
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var location = resp.headers.location;
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var setAuths;
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@ -818,21 +815,21 @@ ACME.create = function create(me) {
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me.challengePrefixes = ACME.challengePrefixes;
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me.Keypairs = me.Keypairs || me.RSA || require('rsa-compat').RSA;
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me._nonces = [];
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if (!me._baseUrl) {
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me._baseUrl = "";
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}
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//me.Keypairs = me.Keypairs || require('keypairs');
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//me.request = me.request || require('@root/request');
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if (!me.dig) {
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me.dig = function (query) {
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// TODO use digd.js
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return new me.request({ url: "/api/dns/" + query.name + "?type=" + query.type }).then(function (resp) {
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if (!resp.body || !Array.isArray(resp.body.answer)) {
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throw new Error("failed to get DNS response");
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}
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return {
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answer: resp.body.answer.map(function (ans) {
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return { data: ans.data, ttl: ans.ttl };
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})
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};
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});
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if (!me.dns01) {
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me.dns01 = function (auth) {
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return ACME._dns01(me, auth);
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};
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}
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// backwards compat
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if (!me.dig) { me.dig = me.dns01; }
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if (!me.http01) {
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me.http01 = function (auth) {
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return ACME._http01(me, auth);
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};
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}
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@ -853,8 +850,21 @@ ACME.create = function create(me) {
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if ('string' !== typeof me.directoryUrl) {
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throw new Error("you must supply either the ACME directory url as a string or an object of the ACME urls");
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}
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return ACME._directory(me).then(function (resp) {
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return fin(resp.body);
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var p = Promise.resolve();
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if (!me.skipChallengeTest) {
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p = me.request({ url: me._baseUrl + "/api/_acme_api_/" }).then(function (resp) {
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if (resp.body.success) {
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me._canCheckHttp01 = true;
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me._canCheckDns01 = true;
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}
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}).catch(function () {
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// ignore
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});
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}
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return p.then(function () {
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return ACME._directory(me).then(function (resp) {
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return fin(resp.body);
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});
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});
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};
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me.accounts = {
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@ -992,6 +1002,29 @@ ACME._prnd = function (n) {
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ACME._toHex = function (pair) {
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return parseInt(pair, 10).toString(16);
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};
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ACME._dns01 = function (me, auth) {
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return new me.request({ url: me._baseUrl + "/api/dns/" + auth.dnsHost + "?type=TXT" }).then(function (resp) {
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var err;
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if (!resp.body || !Array.isArray(resp.body.answer)) {
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err = new Error("failed to get DNS response");
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console.error(err);
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throw err;
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}
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var result = {
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answer: resp.body.answer.map(function (ans) {
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return { data: ans.data, ttl: ans.ttl };
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})
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};
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console.log(result);
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return result;
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});
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};
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ACME._http01 = function (me, auth) {
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var url = encodeURIComponent(auth.challengeUrl);
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return new me.request({ url: me._baseUrl + "/api/http?url=" + url }).then(function (resp) {
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return resp.body;
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});
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};
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Enc.bufToUrlBase64 = function (u8) {
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return Enc.bufToBase64(u8)
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