Add browser list to device identity.

lib/roles/device/plugins/browsers.js

@@ -0,0 +1,51 @@
+var util = require('util')
+
+var syrup = require('syrup')
+
+var logger = require('../../../util/logger')
+
+module.exports = syrup()
+  .dependency(require('../support/http'))
+  .dependency(require('./input'))
+  .define(function(options, http, input) {
+    var log = logger.createLogger('device:plugins:browsers')
+
+    log.info('Fetching browser list')
+    return input.getBrowsers()
+      .then(function(browsers) {
+        var icons = Object.create(null)
+
+        browsers.apps.forEach(function(app) {
+          icons[app.component] = app.icon.toBuffer()
+          app.icon = util.format(
+            '%s/api/v1/browsers/%s/icon'
+          , http.get('public url')
+          , app.component
+          )
+        })
+
+        http.get(
+          '/api/v1/browsers/:package/:activity/icon'
+        , function(req, res) {
+            var component = util.format(
+              '%s/%s'
+            , req.params.package
+            , req.params.activity
+            )
+
+            var icon = icons[component]
+
+            if (icon) {
+              res.set('Content-Type', 'image/png')
+              res.set('Content-Length', icon.length)
+              res.send(200, icon)
+            }
+            else {
+              res.send(404)
+            }
+          }
+        )
+
+        return browsers
+      })
+  })