* Work on User and loading user from db with authenticate()

* Show login error in login.js experimental stuff

core/menu_module.js

@@ -15,7 +15,7 @@ function MenuModule(options) {
 
 	var self				= this;
 	this.menuConfig			= options.menuConfig;
-
+	this.menuMethods		= {};
 	this.viewControllers	= [];
 
 	this.initSequence = function() {

core/text_view.js

@@ -28,6 +28,31 @@ function TextView(client, options) {
 		this.dimens.height = 1;
 	}
 
+	
+
+	this.drawText = function(s) {
+		var ansiColor = this.getANSIColor(this.hasFocus ? this.getFocusColor() : this.getColor());
+
+		if(this.isPasswordTextStyle) {
+			this.client.term.write(strUtil.pad(
+				new Array(s.length + 1).join(this.textMaskChar), 
+				this.dimens.width + 1, 
+				this.fillChar, 
+				this.justify,
+				ansiColor,
+				this.getANSIColor(this.getColor())));
+		} else {
+			var text = strUtil.stylizeString(s, this.hasFocus ? this.focusTextStyle : this.textStyle);
+			this.client.term.write(strUtil.pad(
+				text, 
+				this.dimens.width + 1, 
+				this.fillChar, 
+				this.justify,
+				ansiColor,
+				this.getANSIColor(this.getColor())));
+		}
+	};
+
 	this.setText(this.options.text || '');
 
 	if(this.isPasswordTextStyle) {
@@ -40,26 +65,7 @@ util.inherits(TextView, View);
 TextView.prototype.redraw = function() {
 	TextView.super_.prototype.redraw.call(this);
 
-	var ansiColor = this.getANSIColor(this.hasFocus ? this.getFocusColor() : this.getColor());
-
-	if(this.isPasswordTextStyle) {
-		this.client.term.write(strUtil.pad(
-			new Array(this.text.length + 1).join(this.textMaskChar), 
-			this.dimens.width, 
-			this.fillChar, 
-			this.justify,
-			ansiColor,
-			this.getANSIColor(this.getColor())));
-	} else {
-		var text = strUtil.stylizeString(this.text, this.hasFocus ? this.focusTextStyle : this.textStyle);
-		this.client.term.write(strUtil.pad(
-			text, 
-			this.dimens.width, 
-			this.fillChar, 
-			this.justify,
-			ansiColor,
-			this.getANSIColor(this.getColor())));
-	}
+	this.drawText(this.text);
 };
 
 TextView.prototype.setFocus = function(focused) {
@@ -81,7 +87,7 @@ TextView.prototype.setText = function(text) {
 		this.text = this.text.substr(0, this.maxLength);
 	}
 
-	this.text = strUtil.stylizeString(this.text, this.hasFocus ? this.focusTextStyle : this.textStyle);
+	this.text = strUtil.stylizeString(this.text, this.hasFocus ? this.focusTextStyle : this.textStyle);	
 
 	if(!this.multiLine && !this.dimens.width) {
 		this.dimens.width = this.text.length;
@@ -89,3 +95,7 @@ TextView.prototype.setText = function(text) {
 
 	this.redraw();
 };
+
+TextView.prototype.clearText = function() {
+	this.setText('');
+};

core/user.js

@@ -7,20 +7,20 @@ var assert			= require('assert');
 var async			= require('async');
 
 exports.User						= User;
-exports.getUserId					= getUserId;
+exports.getUserIdAndName			= getUserIdAndName;
 exports.createNew					= createNew;
 exports.persistAll					= persistAll;
-exports.authenticate				= authenticate;
+//exports.authenticate				= authenticate;
 
 function User() {
 	var self = this;
 
-	this.id			= 0;
-	this.userName	= '';
+	this.userId		= 0;
+	this.username	= '';
 	this.properties	= {};
 
 	this.isValid = function() {
-		if(self.id <= 0 || self.userName.length < 2) {
+		if(self.userId <= 0 || self.username.length < 2) {
 			return false;
 		}
 
@@ -37,10 +37,11 @@ function User() {
 	};
 
 	this.isRoot = function() {
-		return 1 === this.id;
+		return 1 === this.userId;
 	};
 
 	this.isSysOp = this.isRoot;	//	alias
+
 }
 
 User.PBKDF2 = {
@@ -53,20 +54,90 @@ User.StandardPropertyGroups = {
 	password	: [ 'pw_pbkdf2_salt', 'pw_pbkdf2_dk' ],
 };
 
-function getUserId(userName, cb) {
+User.prototype.authenticate = function(username, password, cb) {
+	var self = this;
+
+	var cachedInfo = {};
+
+	async.waterfall(
+		[
+			function fetchUserId(callback) {
+				//	get user ID
+				getUserIdAndName(username, function onUserId(err, uid, un) {
+					cachedInfo.userId	= uid;
+					cachedInfo.username	= un;
+
+					callback(err);
+				});
+			},
+
+			function getRequiredAuthProperties(callback) {
+				//	fetch properties required for authentication
+				loadProperties( { userId : cachedInfo.userId, names : User.StandardPropertyGroups.password }, function onProps(err, props) {
+					callback(err, props);
+				});
+			},
+			function getDkWithSalt(props, callback) {
+				//	get DK from stored salt and password provided
+				generatePasswordDerivedKey(password, props.pw_pbkdf2_salt, function onDk(err, dk) {
+					callback(err, dk, props.pw_pbkdf2_dk);
+				});
+			},
+			function validateAuth(passDk, propsDk, callback) {
+				//
+				//	Use constant time comparison here for security feel-goods
+				//
+				var passDkBuf	= new Buffer(passDk,	'hex');
+				var propsDkBuf	= new Buffer(propsDk,	'hex');
+
+				if(passDkBuf.length !== propsDkBuf.length) {
+					callback(new Error('Invalid password'));
+					return;
+				}
+
+				var c = 0;
+				for(var i = 0; i < passDkBuf.length; i++) {
+					c |= passDkBuf[i] ^ propsDkBuf[i];
+				}
+
+				callback(0 === c ? null : new Error('Invalid password'));
+			},
+			function initProps(callback) {
+				loadProperties({ userId : cachedInfo.userId }, function onProps(err, allProps) {
+					if(!err) {
+						cachedInfo.properties = allProps;
+					}
+
+					callback(err);
+				});
+			}
+		],
+		function complete(err) {
+			if(!err) {
+				self.userId		= cachedInfo.userId;
+				self.username	= cachedInfo.username;
+				self.properties	= cachedInfo.properties;
+			}
+
+			cb(err);
+		}
+	);
+};
+
+function getUserIdAndName(username, cb) {
 	userDb.get(
-		'SELECT id ' +
+		'SELECT id, user_name ' +
 		'FROM user ' +
 		'WHERE user_name LIKE ?;',
-		[ userName ],
+		[ username ],
 		function onResults(err, row) {
 			if(err) {
 				cb(err);
 			} else {
 				if(row) {
-					cb(null, row.id);
+					cb(null, row.id, row.user_name);
 				} else {
-					cb(new Error('No matching user name'));
+					cb(new Error('No matching username'));
 				}
 			}
 		}
@@ -74,7 +145,7 @@ function getUserId(userName, cb) {
 }
 
 function createNew(user, cb) {
-	assert(user.userName && user.userName.length > 1, 'Invalid userName');
+	assert(user.username && user.username.length > 1, 'Invalid userName');
 
 	async.series(
 		[
@@ -87,12 +158,12 @@ function createNew(user, cb) {
 				userDb.run(
 					'INSERT INTO user (user_name) ' +
 					'VALUES (?);',
-					[ user.userName ],
+					[ user.username ],
 					function onUserInsert(err) {
 						if(err) {
 							callback(err);
 						} else {
-							user.id = this.lastID;
+							user.userId = this.lastID;
 							callback(null);
 						}
 					}
@@ -132,7 +203,7 @@ function createNew(user, cb) {
 					if(err) {
 						cb(err);
 					} else {
-						cb(null, user.id);
+						cb(null, user.userId);
 					}
 				});
 			}
@@ -182,14 +253,14 @@ function generatePasswordDerivedKey(password, salt, cb) {
 }
 
 function persistProperties(user, cb) {
-	assert(user.id > 0);
+	assert(user.userId > 0);
 
 	var stmt = userDb.prepare(
 		'REPLACE INTO user_property (user_id, prop_name, prop_value) ' + 
 		'VALUES (?, ?, ?);');
 
 	async.each(Object.keys(user.properties), function onProp(propName, callback) {
-		stmt.run(user.id, propName, user.properties[propName], function onRun(err) {
+		stmt.run(user.userId, propName, user.properties[propName], function onRun(err) {
 			callback(err);
 		});
 	}, function onComplete(err) {
@@ -203,7 +274,35 @@ function persistProperties(user, cb) {
 	});
 }
 
-function getProperties(userId, propNames, cb) {
+function loadProperties(options, cb) {
+	assert(options.userId);
+
+	var sql =
+		'SELECT prop_name, prop_value ' +
+		'FROM user_property ' +
+		'WHERE user_id = ?';
+
+	if(options.names) {
+		sql +=' AND prop_name IN("' + options.names.join('","') + '");';
+	} else {
+		sql += ';';
+	}
+
+	var properties = {};
+
+	userDb.each(sql, [ options.userId ], function onRow(err, row) {
+		if(err) {
+			cb(err);
+			return;
+		} else {
+			properties[row.prop_name] = row.prop_value;
+		}
+	}, function complete() {
+		cb(null, properties);
+	});
+}
+
+/*function getProperties(userId, propNames, cb) {
 	var properties = {};
 
 	async.each(propNames, function onPropName(propName, next) {
@@ -225,7 +324,7 @@ function getProperties(userId, propNames, cb) {
 				}
 			}
 		);
-	}, function onCompleteOrError(err) {
+	}, function complete(err) {
 		if(err) {
 			cb(err);
 		} else {
@@ -233,9 +332,10 @@ function getProperties(userId, propNames, cb) {
 		}
 	});
 }
+*/
 
 function persistAll(user, useTransaction, cb) {
-	assert(user.id > 0);
+	assert(user.userId > 0);
 
 	async.series(
 		[
@@ -276,6 +376,7 @@ function persistAll(user, useTransaction, cb) {
 	);
 }
 
+/*
 function authenticate(userName, password, client, cb) {
 	assert(client);
 
@@ -283,7 +384,7 @@ function authenticate(userName, password, client, cb) {
 		[
 			function fetchUserId(callback) {
 				//	get user ID
-				getUserId(userName, function onUserId(err, userId) {
+				getUserIdAndName(userName, function onUserId(err, userId) {
 					callback(err, userId);
 				});
 			},
@@ -325,4 +426,5 @@ function authenticate(userName, password, client, cb) {
 			}
 		}
 	);
-}
+}
+*/

core/view_controller.js

@@ -214,6 +214,7 @@ ViewController.prototype.loadFromMCIMapAndConfig = function(options, cb) {
 	var self			= this;
 	var formIdKey		= options.formId ? options.formId.toString() : '0';
 	var initialFocusId;
+	var formConfig;
 
 	//	:TODO: remove all the passing of fromConfig - use local
 	//	:TODO: break all of this up ... a lot
@@ -221,15 +222,20 @@ ViewController.prototype.loadFromMCIMapAndConfig = function(options, cb) {
 	async.waterfall(
 		[
 			function getFormConfig(callback) {
-				menuUtil.getFormConfig(options.menuConfig, formIdKey, options.mciMap, function onFormConfig(err, formConfig) {
+				menuUtil.getFormConfig(options.menuConfig, formIdKey, options.mciMap, function onFormConfig(err, fc) {
+					formConfig = fc;
+
 					if(err) {
-						Log.warn(err, 'Unable to load menu configuration');
+						//	:TODO: fix logging of err here:
+						Log.warn( 
+							{ err : err, mci : Object.keys(options.mciMap), formIdKey : formIdKey } , 
+							'Unable to load menu configuration');
 					}
 
-					callback(null, formConfig);
+					callback(null);
 				});
 			},
-			function createViewsFromMCIMap(formConfig, callback) {
+			function createViewsFromMCIMap(callback) {
 				async.each(Object.keys(options.mciMap), function onMciEntry(name, eachCb) {
 					var mci		= options.mciMap[name];
 					var view	= factory.createFromMCI(mci);
@@ -244,10 +250,10 @@ ViewController.prototype.loadFromMCIMapAndConfig = function(options, cb) {
 				function eachMciComplete(err) {
 					self.setViewOrder();
 
-					callback(err, formConfig);					
+					callback(err);					
 				});
 			},
-			function applyFormConfig(formConfig, callback) {
+			function applyFormConfig(callback) {
 				if(formConfig) {
 					async.each(Object.keys(formConfig.mci), function onMciConf(mci, eachCb) {
 						var viewId	= parseInt(mci[2]);	//	:TODO: what about auto-generated ID's? Do they simply not apply to menu configs?
@@ -274,13 +280,13 @@ ViewController.prototype.loadFromMCIMapAndConfig = function(options, cb) {
 						eachCb(null);
 					},
 					function eachMciConfComplete(err) {
-						callback(err, formConfig);
+						callback(err);
 					});
 				} else {
 					callback(null);
 				}
 			},
-			function mapMenuSubmit(formConfig, callback) {
+			function mapMenuSubmit(callback) {
 				if(formConfig) {
 					//
 					//	If we have a 'submit' section, create a submit handler

mods/login.js

@@ -5,6 +5,7 @@ var ansi			= require('../core/ansi_term.js');
 var art				= require('../core/art.js');
 var user			= require('../core/user.js');
 var theme			= require('../core/theme.js');
+var Log				= require('../core/logger.js').log;
 var MenuModule		= require('../core/menu_module.js').MenuModule;
 var ViewController	= require('../core/view_controller.js').ViewController;
 
@@ -26,16 +27,39 @@ function LoginModule(menuConfig) {
 
 	var self = this;
 
-	this.menuMethods = {
-		attemptLogin : function(args) {
-			user.authenticate(args.username, args.password, self.client, function onAuth(err) {
-				if(err) {
-					console.log(err);
-				} else {
-					console.log('logged in!')
-				}
-			});
-		}
+	//	:TODO: Handle max login attempts before hangup
+	//	:TODO: probably should persist failed login attempts to user DB
+
+	this.menuMethods.attemptLogin = function(args) {
+		self.client.user.authenticate(args.username, args.password, function onAuth(err) {
+			if(err) {
+				Log.info( { username : args.username }, 'Failed login attempt %s', err);
+
+				//	:TODO: localize:
+				//	:TODO: create a blink label of sorts - simulate blink with ICE
+				self.viewController.getView(5).setText('Invalid username or password!');
+				self.clearForm();
+				self.viewController.switchFocus(1);
+				
+				setTimeout(function onTimeout() {
+					//	:TODO: should there be a block input type of pattern here? self.client.ignoreInput() ... self.client.acceptInput()
+
+					self.viewController.getView(5).clearText();	//	:TODO: for some reason this doesn't clear the last character
+					self.viewController.switchFocus(1);
+				}, 2000);
+
+			} else {
+				Log.info( { username : self.client.user.username }, 'Successful login');
+
+				//	:TODO: persist information about login to user
+			}
+		});
+	};
+
+	this.clearForm = function() {
+		[ 1, 2, ].forEach(function onId(id) {
+			self.viewController.getView(id).clearText();
+		});
 	};
 }
 
@@ -56,7 +80,7 @@ LoginModule.prototype.mciReady = function(mciMap) {
 
 	var self = this;
 
-	var vc = self.addViewController(new ViewController(self.client));
-	vc.loadFromMCIMapAndConfig( { mciMap : mciMap, menuConfig : self.menuConfig }, function onViewReady(err) {
+	self.viewController = self.addViewController(new ViewController(self.client));
+	self.viewController.loadFromMCIMapAndConfig( { mciMap : mciMap, menuConfig : self.menuConfig }, function onViewReady(err) {
 	});
 };

mods/menu.json

@@ -55,7 +55,7 @@
 		"module"	: "login",
 		"form"		: {
 			"0"	: {
-				"BN3BN4ET1ET2" :{
+				"BN3BN4ET1ET2TL5" :{
 					"mci" :{
 						"ET1" : {
 							"focus"		: true