initial commit of poker game

game-server/app/servers/game/remote/authRemote.js

@@ -0,0 +1,82 @@
+var UserStore = require('../../../persistence/users');
+var tokenService = require('../../../../../shared/token');
+var SESSION_CONFIG = require('../../../../../shared/config/session.json');
+
+module.exports = function(app){
+    return new Remote(app);
+};
+var Remote = function(app){
+    this.app = app;
+};
+var remote = Remote.prototype;
+
+/**
+ * Register user.
+ *
+ * @param  {object}   userObj object containing userObj.user and userObj.pass
+ * @param  {Function} cb
+ * @return {Void}
+ */
+remote.register = function(userObj, cb){
+    UserStore.create({
+        username  : userObj.username,
+        password  : userObj.password,
+        email     : userObj.email,
+        chips     : 100000
+    }, function(e, user){
+        if(e){
+            cb(e);
+        }else{
+            cb(null, user);
+        }
+    });
+};
+/**
+ * Auth via user/pass or token, and check for expiry.
+ *
+ * @param  {object|string}   input token or object containing username and password
+ * @param  {Function} cb
+ * @return {Void}
+ */
+remote.auth = function(input, cb){
+    if(typeof input === 'string'){
+        var res = tokenService.parse(input, SESSION_CONFIG.secret);
+        if(!res){
+            cb('invalid-token');
+            return;
+        }
+        if(!checkExpire(res, SESSION_CONFIG.expire)){
+            cb('token-expired');
+            return;
+        }
+        UserStore.getByAttr('id', res.uid, false, function(e, user){
+            if(e){
+                cb('invalid-user');
+                return;
+            }
+            cb(null, user);
+        });
+    }else{
+        UserStore.getByAttr(['username', 'password'], [input.username, input.password], false, function(e, user){
+            if(!user){
+                cb('invalid-user');
+            }else{
+                cb(null, user, tokenService.create(user.id, Date.now(), SESSION_CONFIG.secret));
+            }
+        });
+    }
+};
+/**
+ * Check the token whether expire.
+ *
+ * @param  {Object} token  token info
+ * @param  {Number} expire expire time
+ * @return {Boolean} true for not expire and false for expire
+ */
+var checkExpire = function(token, expire){
+    if(expire < 0){
+        // negative expire means never expire
+        return true;
+    }
+    return (Date.now() - token.timestamp) < expire;
+};