From 079957fa755777485be1a45c5fd34690c52e0884 Mon Sep 17 00:00:00 2001
From: Brandon McFarlin <brandonmcfarlin1016@gmail.com>
Date: Fri, 21 Feb 2020 13:19:45 -0500
Subject: [PATCH] fix for thumbnails and camera state

---
 index.js       | 11 ++++++++++-
 lib/nest.js    | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 lib/nestcam.js | 43 +++++++++++++++++++++++++++++++++----------
 package.json   |  2 +-
 4 files changed, 94 insertions(+), 12 deletions(-)

diff --git a/index.js b/index.js
index 8ad702c..0981e40 100755
--- a/index.js
+++ b/index.js
@@ -4,6 +4,8 @@ let Accessory, Service, Characteristic, hap, UUIDGen;
 const Nest = require('./lib/nest.js').NestAPI;
 const NestConnection = require('./lib/nest-connection.js');
 
+const UPDATE_INTERVAL = 10000;
+
 Promise.delay = function(time_ms) {
   return new Promise(resolve => setTimeout(resolve, time_ms));
 }
@@ -101,7 +103,7 @@ class NestCamPlatform {
           accessory.addService(motion);
           setInterval(async function() {
             camera.checkMotion(accessory);
-          }, 10000);
+          }, UPDATE_INTERVAL);
         }
         //Add enabled/disabled service
         accessory.addService(Service.Switch, 'Streaming')
@@ -112,6 +114,13 @@ class NestCamPlatform {
           self.log.info("Setting %s to %s", accessory.displayName, (value ? 'on' : 'off'));
           callback();
         });
+        //Check enabled/disabled state
+        setInterval(async function() {
+          await camera.updateInfo();
+          let service = accessory.getService(Service.Switch);
+          service.updateCharacteristic(Characteristic.On, camera.enabled);
+        }, UPDATE_INTERVAL);
+
         accessory.configureCameraSource(camera);
         configuredAccessories.push(accessory);
       });
diff --git a/lib/nest.js b/lib/nest.js
index 9c8648c..57516f5 100644
--- a/lib/nest.js
+++ b/lib/nest.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const https = require('https');
 const axios = require('axios');
 const EventEmitter = require('events');
 const NestCam = require('./nestcam').NestCam;
@@ -64,6 +65,55 @@ class NestAPI extends EventEmitter {
     self.log.debug(req.method + ' request sent to ' + req.url);
     return (await axios(req)).data;
   }
+
+  /**
+   * Send a generic api request using promises
+   * @param hostname  The base uri to send the request
+   * @param endpoint  The endpoint to send the request
+   * @param method    Usually "GET" or "POST"
+   * @param body      The body of the request or null if a "GET"
+   */
+  sendPromiseRequest(hostname, endpoint, method, body) {
+    let self = this;
+
+    return new Promise((resolve, reject) => {
+      let headers = {
+        'User-Agent': 'iPhone iPhone OS 11.0 Dropcam/5.14.0 com.nestlabs.jasper.release Darwin',
+        'Referer': 'https://home.nest.com/'
+      };
+
+      if (method === 'POST') {
+        headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=utf-8';
+      }
+
+      if (self.accessToken !== undefined) {
+        headers['Cookie'] = 'user_token=' + self.accessToken;
+      }
+
+      let options = {
+        hostname: hostname,
+        path: endpoint,
+        method: method,
+        headers: headers
+      };
+      let req = https.request(options, (res) => {
+        if (res.statusCode < 200 || res.statusCode >= 300) {
+          let error = new Error('Unexpected API Error - ' + res.statusCode);
+          error.code = res.statusCode;
+          reject(error);
+        }
+
+        const resBody = [];
+        res.on('data', (chunk) => resBody.push(chunk));
+        res.on('end', () => resolve(Buffer.concat(resBody)));
+      });
+      req.on('error', (err) => reject(err));
+      if (body !== undefined) {
+        req.write(body);
+      }
+      req.end();
+    });
+  }
 }
 
 module.exports = {
diff --git a/lib/nestcam.js b/lib/nestcam.js
index a61b805..b0993a4 100644
--- a/lib/nestcam.js
+++ b/lib/nestcam.js
@@ -26,6 +26,31 @@ class NestCam {
     self.motionDetected = false;
   }
 
+  async updateInfo() {
+    let self = this;
+    let query = querystring.stringify({
+      'uuid': self.uuid
+    });
+    try {
+      self.log.debug("Updating info for %s", self.name);
+      let response = await self.api.sendRequest(NestAPIHostname, '/api/cameras.get_with_properties?' + query, 'GET');
+      response.items.forEach((info) => {
+        self.name = info.name;
+        self.uuid = info.uuid;
+        self.enabled = info.is_streaming_enabled;
+        self.serialNumber = info.serial_number;
+        self.softwareVersion = info.combined_software_version;
+        self.detectors = info.detectors;
+        self.type = info.type;
+        self.nexusTalkHost = info.direct_nexustalk_host;
+        self.apiHost = info.nexus_api_http_server;
+      });
+    } catch(error) {
+      error.status = error.response && error.response.status;
+      self.log.error('Error fetching cameras - ' + error.status);
+    }
+  }
+
   async toggleActive(enabled) {
     let self = this;
     let query = querystring.stringify({
@@ -151,21 +176,19 @@ class NestCam {
 
   // Camera Source
 
-  async handleSnapshotRequest(request, callback) {
+  handleSnapshotRequest(request, callback) {
     let self = this;
     let query = querystring.stringify({
       uuid: self.uuid,
       width: request.width
     });
-    try {
-      let response = await self.api.sendRequest(self.apiHost, '/get_image?' + query, 'GET');
-      callback(undefined, response);
-    } catch(error) {
-      error.status = error.response && error.response.status;
-      if (error.status != 404) {
-        self.log.error('Error getting image - ' + error.status);
-      }
-    }
+    self.api.sendPromiseRequest(self.apiHost, '/get_image?' + query, 'GET')
+      .then((response) => {
+        callback(undefined, response);
+      })
+      .catch((err) => {
+        callback(err);
+      });
   }
 
   handleCloseConnection(connectionID) {
diff --git a/package.json b/package.json
index fffad6d..f14d8d9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "homebridge-nest-cam2",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "Nest cam plugin for homebridge: https://homebridge.io/",
   "license": "ISC",
   "keywords": [