Implementation of the device attributes API.

chrome/browser/extensions/api/enterprise_device_attributes/enterprise_device_attributes_api.cc

+// Copyright (c) 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/extensions/api/enterprise_device_attributes/enterprise_device_attributes_api.h"
+
+#include "base/values.h"
+#include "chrome/browser/app_mode/app_mode_utils.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
+#include "chrome/browser/chromeos/profiles/profile_helper.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/extensions/api/enterprise_device_attributes.h"
+#include "components/user_manager/user_manager.h"
+
+namespace extensions {
+
+namespace {
+
+// Checks for the current browser context if the user is affiliated and the
+// device is enterprise managed.
+bool IsPermittedToGetDeviceId(content::BrowserContext* context) {
+  policy::BrowserPolicyConnectorChromeOS* connector =
+      g_browser_process->platform_part()->browser_policy_connector_chromeos();
+
+  const user_manager::User* user =
+      chromeos::ProfileHelper::Get()->GetUserByProfile(
+          Profile::FromBrowserContext(context));
+
+  return connector->IsEnterpriseManaged() &&
+         connector->GetUserAffiliation(user->email()) ==
+             policy::USER_AFFILIATION_MANAGED;
+}
+
+// Returns the directory device id for the permitted extensions or an empty
+// string.
+std::string GetDirectoryDeviceId(content::BrowserContext* context) {
+  return IsPermittedToGetDeviceId(context)
+             ? g_browser_process->platform_part()
+                   ->browser_policy_connector_chromeos()
+                   ->GetDirectoryApiID()
+             : std::string();
+}
+
+}  //  namespace
+
+EnterpriseDeviceAttributesGetDirectoryDeviceIdFunction::
+    EnterpriseDeviceAttributesGetDirectoryDeviceIdFunction() {}
+
+EnterpriseDeviceAttributesGetDirectoryDeviceIdFunction::
+    ~EnterpriseDeviceAttributesGetDirectoryDeviceIdFunction() {}
+
+ExtensionFunction::ResponseAction
+EnterpriseDeviceAttributesGetDirectoryDeviceIdFunction::Run() {
+  const std::string device_id = GetDirectoryDeviceId(browser_context());
+  return RespondNow(ArgumentList(
+      api::enterprise_device_attributes::GetDirectoryDeviceId::Results::Create(
+          device_id)));
+}
+
+}  // namespace extensions