New iControl accessory, supports Xfinity Home.

- No more mysterious "dsig" param

accessories/iControl.js

@@ -0,0 +1,130 @@
+var iControl = require('node-icontrol').iControl;
+var Service = require('HAP-NodeJS').Service;
+var Characteristic = require('HAP-NodeJS').Characteristic;
+
+module.exports = {
+  accessory: iControlAccessory
+}
+
+/**
+ * Provides a Security System accessory for an iControl-based security system like Xfinity Home.
+ */
+
+function iControlAccessory(log, config) {
+  this.log = log;
+  
+  this.iControl = new iControl({
+    system: iControl.Systems[config.system],
+    email: config.email,
+    password: config.password,
+    pinCode: config.pin
+  });
+  
+  this.iControl.on('change', this._handleChange.bind(this));
+  this.iControl.on('error', this._handleError.bind(this));
+  
+  this.log("Logging into iControl...");
+  this.iControl.login();
+  
+  this._securitySystem = new Service.SecuritySystem("Security System");
+  
+  this._securitySystem
+    .getCharacteristic(Characteristic.SecuritySystemTargetState)
+    .on('get', this._getTargetState.bind(this))
+    .on('set', this._setTargetState.bind(this));
+    
+  this._securitySystem
+    .getCharacteristic(Characteristic.SecuritySystemCurrentState)
+    .on('get', this._getCurrentState.bind(this));
+}
+
+iControlAccessory.prototype._getTargetState = function(callback) {
+  this.iControl.getArmState(function(err, armState) {
+    if (err) return callback(err);
+    
+    var currentState = this._getHomeKitStateFromArmState(armState);
+    callback(null, currentState);
+    
+  }.bind(this));
+}
+
+iControlAccessory.prototype._getCurrentState = function(callback) {
+  this.iControl.getArmState(function(err, armState) {
+    if (err) return callback(err);
+    
+    var currentState = this._getHomeKitStateFromArmState(armState);
+    callback(null, currentState);
+    
+  }.bind(this));
+}
+
+iControlAccessory.prototype._setTargetState = function(targetState, callback, context) {
+  if (context == "internal") return callback(null); // we set this state ourself, no need to react to it
+  
+  var armState = this._getArmStateFromHomeKitState(targetState);
+  this.log("Setting target state to %s", armState);
+  
+  this.iControl.setArmState(armState, function(err) {
+    if (err) return callback(err);
+    
+    this.log("Successfully set target state to %s", armState);
+    
+    // also update current state
+    this._securitySystem
+      .getCharacteristic(Characteristic.SecuritySystemCurrentState)
+      .setValue(targetState);
+    
+    callback(null); // success!
+    
+  }.bind(this));
+}
+
+iControlAccessory.prototype._handleChange = function(armState) {
+  this.log("Arm state changed to %s", armState);
+  
+  var homeKitState = this._getHomeKitStateFromArmState(armState);
+  
+  this._securitySystem
+    .getCharacteristic(Characteristic.SecuritySystemCurrentState)
+    .setValue(homeKitState);
+  
+  this._securitySystem
+    .getCharacteristic(Characteristic.SecuritySystemTargetState)
+    .setValue(homeKitState, null, "internal"); // these characteristics happen to share underlying values
+}
+
+iControlAccessory.prototype._handleError = function(err) {
+  this.log(err.message);
+}
+
+iControlAccessory.prototype.getServices = function() {
+  return [this._securitySystem];
+}
+
+iControlAccessory.prototype._getHomeKitStateFromArmState = function(armState) {
+  switch (armState) {
+    case "disarmed": return Characteristic.SecuritySystemCurrentState.DISARMED;
+    case "away": return Characteristic.SecuritySystemCurrentState.AWAY_ARM;
+    case "night": return Characteristic.SecuritySystemCurrentState.NIGHT_ARM;
+    case "stay": return Characteristic.SecuritySystemCurrentState.STAY_ARM;
+  }
+}
+
+iControlAccessory.prototype._getArmStateFromHomeKitState = function(homeKitState) {
+  switch (homeKitState) {
+    case Characteristic.SecuritySystemCurrentState.DISARMED: return "disarmed";
+    case Characteristic.SecuritySystemCurrentState.AWAY_ARM: return "away";
+    case Characteristic.SecuritySystemCurrentState.NIGHT_ARM: return "night";
+    case Characteristic.SecuritySystemCurrentState.STAY_ARM: return "stay";
+  }
+}
+
+
+/**
+ * TESTING
+ */
+
+if (require.main === module) {
+  var config = JSON.parse(require('fs').readFileSync("config.json")).accessories[0];
+  var accessory = new iControlAccessory(console.log, config);
+}