Added ability to query chrome extensions on Device

resolvers/Device.js

@@ -77,6 +77,26 @@ const Device = {
     return hardwareSerial
   },
 
+  async extensions (root, args, context) {
+    const chrome = await OSQuery.all('chrome_extensions')
+    const ff = await OSQuery.all('firefox_addons')
+    let safari = []
+    if (context.platform === 'darwin') {
+      safari = await OSQuery.all('safari_extensions')
+    }
+    return [].concat(
+      chrome.map(
+        ({ name, version, identifier, path, author }) => ({ name, path, version, identifier, author, browser: 'chrome' })
+      ),
+      ff.map(
+        ({ name, version, identifier, path, creator: author }) => ({ name, path, version, identifier, author, browser: 'firefox' })
+      ),
+      safari.map(
+        ({ name, version, identifier, path, creator: author }) => ({ name, path, version, identifier, author, browser: 'safari' })
+      ),
+    )
+  },
+
   async applications (root, args, context) {
     const os = PlatformResolvers[context.platform]
     if ('applications' in os) {

schema.graphql

@@ -36,6 +36,8 @@ type Device {
   hardwareSerial: String
   # installed applications
   applications: [Application]
+  # browser extensions
+  extensions: [Extension]
   # current IP addresses
   ipAddresses: [IpAddress]
   # interface_details
@@ -88,6 +90,15 @@ type Application {
   installDate: String
 }
 
+type Extension {
+  name: String!
+  path: String!
+  version: String!
+  author: String!
+  identifier: String!
+  browser: String!
+}
+
 # A DevicePolicy is a description of the desired state of a set of pre-selected device features
 input DevicePolicy {
   # current operation system version, use [semver](https://www.nodesource.com/blog/semver-a-primer/) strings to define requirement