dns01 challenge test works again

app.js

@@ -114,7 +114,7 @@
       acme.init('https://acme-staging-v02.api.letsencrypt.org/directory').then(function (result) {
         console.log('acme result', result);
         var privJwk = JSON.parse($('.js-jwk').innerText).private;
-        var email = $('.js-email').innerText;
+        var email = $('.js-email').value;
         function checkTos(tos) {
           console.log("TODO checkbox for agree to terms");
           return tos;
@@ -130,7 +130,7 @@
           , modulusLength: 2048
           }).then(function (pair) {
             console.log('domain keypair:', pair);
-            var domains = ($('.js-domains').innerText||'example.com').split(/[, ]+/g);
+            var domains = ($('.js-domains').value||'example.com').split(/[, ]+/g);
             return acme.certificates.create({
               accountKeypair: { privateKeyJwk: privJwk }
             , account: account

lib/acme.js

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