implement log in as an api

www/user/credential.js

@@ -1,65 +0,0 @@
-define([
-    '/bower_components/scrypt-async/scrypt-async.min.js',
-], function () {
-    var Cred = {};
-    var Scrypt = window.scrypt;
-
-    var isString = Cred.isString = function (x) {
-        return typeof(x) === 'string';
-    };
-
-    var isValidUsername = Cred.isValidUsername = function (name) {
-        return !!(name && isString(name));
-    };
-
-    var isValidPassword = Cred.isValidPassword = function (passwd) {
-        return !!(passwd && isString(passwd));
-    };
-
-    var passwordsMatch = Cred.passwordsMatch = function (a, b) {
-        return isString(a) && isString(b) && a === b;
-    };
-
-    var deriveFromPassphrase = Cred.deriveFromPassphrase = function 
-    (username, password, len, cb) {
-        Scrypt(password,
-            username,
-            8, // memoryCost (n)
-            1024, // block size parameter (r)
-            len || 128, // dkLen
-            200, // interruptStep
-            cb,
-            undefined); // format, could be 'base64'
-    };
-
-    var dispenser = Cred.dispenser = function (bytes) {
-        var entropy = {
-            used: 0,
-        };
-
-        // crypto hygeine
-        var consume = function (n) {
-            // explode if you run out of bytes
-            if (entropy.used + n > bytes.length) {
-                throw new Error('exceeded available entropy');
-            }
-            if (typeof(n) !== 'number') { throw new Error('expected a number'); }
-            if (n <= 0) {
-                throw new Error('expected to consume a positive number of bytes');
-            }
-
-            // grab an unused slice of the entropy
-            var A = bytes.slice(entropy.used, entropy.used + n);
-
-            // account for the bytes you used so you don't reuse bytes
-            entropy.used += n;
-
-            //console.info("%s bytes of entropy remaining", bytes.length - entropy.used);
-            return A;
-        };
-
-        return consume;
-    };
-
-    return Cred;
-});

www/user/main.js

@@ -1,13 +1,13 @@
 define([
-    '/api/config?cb=' + Math.random().toString(16).substring(2),
     '/bower_components/chainpad-listmap/chainpad-listmap.js',
     '/bower_components/chainpad-crypto/crypto.js',
     '/common/cryptpad-common.js',
-    'credential.js',
+    '/common/credential.js',
+    '/common/login.js',
     '/bower_components/tweetnacl/nacl-fast.min.js',
     '/bower_components/scrypt-async/scrypt-async.min.js', // better load speed
     '/bower_components/jquery/dist/jquery.min.js',
-], function (Config, Listmap, Crypto, Cryptpad, Cred) {
+], function (Listmap, Crypto, Cryptpad, Cred, Login) {
     var $ = window.jQuery;
     var Nacl = window.nacl;
 
@@ -16,6 +16,7 @@ define([
     var APP = window.APP = {
         Cryptpad: Cryptpad,
         Crypto: Crypto,
+        Login: Login,
     };
 
     // login elements