From 2c888ebeef83be6156df2a016dc5b565416aa3e5 Mon Sep 17 00:00:00 2001
From: Nick Farina <nfarina@gmail.com>
Date: Sun, 30 Nov 2014 20:16:33 -0800
Subject: [PATCH] Add XfinityHome accessory shim

---
 accessories/XfinityHome.js | 286 +++++++++++++++++++++++++++++++++++++
 app.js                     |   2 -
 config-sample.json         |   9 ++
 3 files changed, 295 insertions(+), 2 deletions(-)
 create mode 100644 accessories/XfinityHome.js

diff --git a/accessories/XfinityHome.js b/accessories/XfinityHome.js
new file mode 100644
index 0000000..ae73ca8
--- /dev/null
+++ b/accessories/XfinityHome.js
@@ -0,0 +1,286 @@
+var types = require("../lib/HAP-NodeJS/accessories/types.js");
+var request = require("request");
+var xmldoc = require("xmldoc");
+
+function XfinityHomeAccessory(log, config) {
+  this.log = log;
+  this.email = config["email"];
+  this.password = config["password"];
+  this.dsig = config["dsig"];
+  this.pinCode = config["pin"];
+}
+
+XfinityHomeAccessory.prototype = {
+
+  armWithType: function(armed, type) {
+    this.log("Arming with type " + type + " = " + armed + "...");
+    this.targetArmed = armed;
+    this.targetArmType = type;
+    this.getLoginToken();
+  },
+
+  getLoginToken: function() {
+    this.log("Retrieving login token...");
+
+    var that = this;
+
+    request.post({
+      url: "https://login.comcast.net/api/login",
+      form: {
+        appkey:"iControl",
+        dsig: this.dsig,
+        u: this.email,
+        p: this.password
+      }
+    }, function(err, response, body) {
+
+      if (!err && response.statusCode == 200) {
+
+        var doc = new xmldoc.XmlDocument(body);
+        that.loginToken = doc.valueWithPath("LoginToken");
+        that.refreshLoginCookie();
+      }
+      else {
+        that.log("Error '"+err+"' getting login token: " + body);
+      }
+    });
+  },
+
+  refreshLoginCookie: function() {
+    this.log("Refreshing login cookie...");
+
+    var that = this;
+
+    request.post({
+      url: "https://www.xfinityhomesecurity.com/rest/icontrol/login",
+      form: {
+        token: this.loginToken
+      }
+    }, function(err, response, body) {
+
+      if (!err && response.statusCode == 200) {
+
+        // extract our "site" from the login response
+        var json = JSON.parse(body);
+        that.siteHref = json["login"]["site"]["href"];
+
+        // manual cookie handling
+        that.loginCookie = response.headers["set-cookie"];
+
+        that.getInstances();
+      }
+      else {
+        that.log("Error '"+err+"' refreshing login cookie: " + body);
+      }
+    });
+  },
+
+  getInstances: function() {
+    this.log("Getting instances for site " + this.siteHref + "...");
+
+    this.panelHref = null;
+    var that = this;
+
+    request.get({
+      url: "https://www.xfinityhomesecurity.com/"+that.siteHref+"/network/instances",
+      headers: { Cookie: this.loginCookie },
+      json: true
+    }, function(err, response, json) {
+
+      if (!err && response.statusCode == 200) {
+
+        // extract our "instance" from the response. look for the first "panel"
+        var instances = json["instances"]["instance"];
+        for (var i=0; i<instances.length; i++) {
+          var instance = instances[i];
+
+          if (instance["mediaType"] == "instance/panel") {
+            that.panelHref = instance.href;
+          }
+        }
+
+        if (that.panelHref) {
+          that.log("Found panel " + that.panelHref + ". Ready to arm.");
+          that.finishArm();
+        }
+        else {
+          that.log("Couldn't find a panel.");
+        }
+      }
+      else {
+        that.log("Error '"+err+"' getting instances: " + JSON.stringify(json));
+      }
+    });
+  },
+
+  finishArm: function() {
+    this.log("Finish arming with type " + this.targetArmType + " = " + this.targetArmed + "...");
+
+    var path, form;
+    var that = this;
+
+    if (!this.targetArmed) {
+      path = this.panelHref + "/functions/disarm";
+      form = {code: this.pinCode};
+    }
+    else {
+      path = this.panelHref + "/functions/arm";
+      form = {code: this.pinCode, armType: this.targetArmType };
+    }
+
+    request.post({
+      url: "https://www.xfinityhomesecurity.com"+path,
+      headers: { Cookie: this.loginCookie },
+      form: form
+    }, function(err, response, body) {
+
+      if (!err && response.statusCode >= 200 && response.statusCode < 300) {
+        that.log("Arm response: " + response);
+      }
+      else {
+        that.log("Error '"+err+"' performing arm request: " + body);
+      }
+    });
+  },
+
+  accessoryData: function() {
+    var that = this;
+    return {
+      displayName: "Xfinity Home",
+      services: [{
+        sType: types.ACCESSORY_INFORMATION_STYPE,
+        characteristics: [{
+          cType: types.NAME_CTYPE,
+          onUpdate: null,
+          perms: ["pr"],
+          format: "string",
+          initialValue: "Xfinity Home",
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Name of the accessory",
+          designedMaxLength: 255
+        },{
+          cType: types.MANUFACTURER_CTYPE,
+          onUpdate: null,
+          perms: ["pr"],
+          format: "string",
+          initialValue: "Comcast",
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Manufacturer",
+          designedMaxLength: 255
+        },{
+          cType: types.MODEL_CTYPE,
+          onUpdate: null,
+          perms: ["pr"],
+          format: "string",
+          initialValue: "Rev-1",
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Model",
+          designedMaxLength: 255
+        },{
+          cType: types.SERIAL_NUMBER_CTYPE,
+          onUpdate: null,
+          perms: ["pr"],
+          format: "string",
+          initialValue: "A1S2NASF88EW",
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "SN",
+          designedMaxLength: 255
+        },{
+          cType: types.IDENTIFY_CTYPE,
+          onUpdate: null,
+          perms: ["pw"],
+          format: "bool",
+          initialValue: false,
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Identify Accessory",
+          designedMaxLength: 1
+        }]
+      },{
+        sType: types.SWITCH_STYPE,
+        characteristics: [{
+          cType: types.NAME_CTYPE,
+          onUpdate: null,
+          perms: ["pr"],
+          format: "string",
+          initialValue: "Away Mode",
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Away Mode service",
+          designedMaxLength: 255
+        },{
+          cType: types.POWER_STATE_CTYPE,
+          onUpdate: function(value) { that.armWithType(value, "away"); },
+          perms: ["pw","pr","ev"],
+          format: "bool",
+          initialValue: false,
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Turn on the Away alarm",
+          designedMaxLength: 1
+        }]
+      },{
+        sType: types.SWITCH_STYPE,
+        characteristics: [{
+          cType: types.NAME_CTYPE,
+          onUpdate: null,
+          perms: ["pr"],
+          format: "string",
+          initialValue: "Night Mode",
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Night Mode service",
+          designedMaxLength: 255
+        },{
+          cType: types.POWER_STATE_CTYPE,
+          onUpdate: function(value) { that.armWithType(value, "night"); },
+          perms: ["pw","pr","ev"],
+          format: "bool",
+          initialValue: false,
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Turn on the Night alarm",
+          designedMaxLength: 1
+        }]
+      },{
+        sType: types.SWITCH_STYPE,
+        characteristics: [{
+          cType: types.NAME_CTYPE,
+          onUpdate: null,
+          perms: ["pr"],
+          format: "string",
+          initialValue: "Stay Mode",
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Stay Mode service",
+          designedMaxLength: 255
+        },{
+          cType: types.POWER_STATE_CTYPE,
+          onUpdate: function(value) { that.armWithType(value, "stay"); },
+          perms: ["pw","pr","ev"],
+          format: "bool",
+          initialValue: false,
+          supportEvents: false,
+          supportBonjour: false,
+          manfDescription: "Turn on the Stay alarm",
+          designedMaxLength: 1
+        }]
+      }]
+    }
+  }
+};
+
+// Enable cookie handling and append our expected headers
+request = request.defaults({
+  headers: {
+    "X-appkey": "comcastTokenKey",
+    "X-ClientInfo": "5.2.51",
+    "X-format": "json"
+  }
+});
+
+module.exports.accessory = XfinityHomeAccessory;
diff --git a/app.js b/app.js
index 51e58d3..73c6a55 100644
--- a/app.js
+++ b/app.js
@@ -28,7 +28,6 @@ function loadAccessories() {
     for (var i=0; i<config.accessories.length; i++) {
 
         var accessoryConfig = config.accessories[i];
-        console.log(accessoryConfig);
 
         // Load up the class for this accessory
         var accessoryName = accessoryConfig["accessory"]; // like "WeMo"
@@ -105,7 +104,6 @@ function createHAPServer(data) {
     // create a unique "username" for this accessory
     var pincode = "031-45-154";
     var username = "DD:22:3D:EE:5E:" + ("00" + nextServer.toString(16)).substr(-2);
-    console.log("username: " + username);
 
     var accessory = new accessory_Factor.Accessory(data.displayName, username, storage, parseInt(nextPort), pincode, accessoryController);
     accessoryServers[nextServer] = accessory;
diff --git a/config-sample.json b/config-sample.json
index 08ad299..46710fe 100644
--- a/config-sample.json
+++ b/config-sample.json
@@ -7,6 +7,15 @@
             "description": "This shim supports Belkin WeMo devices on the same network as this server. You can create duplicate entries for this device and change the 'siri_name' attribute to reflect what device is plugged into the WeMo, for instance 'Air Conditioner' or 'Coffee Maker'. This name will be used by Siri. Make sure to update the 'wemo_name' attribute with the EXACT name of the device in the WeMo app itself. This can be the same value as 'siri_name' but it doesn't have to be.",
             "siri_name": "Coffee Maker",
             "wemo_name": "CoffeeMaker"
+        },
+        {
+            "accessory": "XfinityHome",
+            "description": "This shim supports the 'Xfinity Home' security system. Unfortunately I don't know how to generate the 'dsig' property, so you'll need to figure yours out by running the Xfinity Home app on your iOS device while connected to a proxy server like Charles. If you didn't understand any of that, sorry! I welcome any suggestions for how to figure out dsig automatically.",
+            "siri_name": "Xfinity Home",
+            "email": "your-comcast-email@example.com",
+            "password": "your-comcast-password",
+            "dsig": "your-digital-signature",
+            "pin": "your-security-system-pin-code"
         }
     ]
 }
\ No newline at end of file