Allow explicitly whitelisted apps/extensions in public sessions

chrome/browser/chromeos/extensions/device_local_account_management_policy_provider_unittest.cc

+// Copyright 2013 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/chromeos/extensions/device_local_account_management_policy_provider.h"
+
+#include <string>
+
+#include "base/files/file_path.h"
+#include "base/memory/ref_counted.h"
+#include "base/values.h"
+#include "chrome/common/extensions/extension.h"
+#include "extensions/common/manifest.h"
+#include "extensions/common/manifest_constants.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+
+namespace {
+
+const char kWhitelistedId[] = "bpmcpldpdmajfigpchkicefoigmkfalc";
+
+scoped_refptr<const extensions::Extension> CreateExtensionFromValues(
+    const std::string& id,
+    base::DictionaryValue* values) {
+  values->SetString(extensions::manifest_keys::kName, "test");
+  values->SetString(extensions::manifest_keys::kVersion, "0.1");
+  std::string error;
+  return extensions::Extension::Create(base::FilePath(),
+                                       extensions::Manifest::INTERNAL,
+                                       *values,
+                                       extensions::Extension::NO_FLAGS,
+                                       id,
+                                       &error);
+}
+
+scoped_refptr<const extensions::Extension> CreateExtension(
+    const std::string& id) {
+  base::DictionaryValue values;
+  return CreateExtensionFromValues(id, &values);
+}
+
+scoped_refptr<const extensions::Extension> CreateHostedApp() {
+  base::DictionaryValue values;
+  values.Set(extensions::manifest_keys::kApp, new base::DictionaryValue);
+  values.Set(extensions::manifest_keys::kWebURLs, new base::ListValue);
+  return CreateExtensionFromValues(std::string(), &values);
+}
+
+scoped_refptr<const extensions::Extension> CreatePlatformApp() {
+  base::DictionaryValue values;
+  values.Set(extensions::manifest_keys::kApp, new base::DictionaryValue);
+  values.Set(extensions::manifest_keys::kPlatformAppBackground,
+             new base::DictionaryValue);
+  values.Set(extensions::manifest_keys::kPlatformAppBackgroundPage,
+             new base::StringValue("background.html"));
+  return CreateExtensionFromValues(std::string(), &values);
+}
+
+}  // namespace
+
+TEST(DeviceLocalAccountManagementPolicyProviderTest, PublicSession) {
+  DeviceLocalAccountManagementPolicyProvider
+      provider(policy::DeviceLocalAccount::TYPE_PUBLIC_SESSION);
+
+  // Verify that if an extension's type has been whitelisted for use in
+  // device-local accounts, the extension can be installed.
+  scoped_refptr<const extensions::Extension> extension = CreateHostedApp();
+  ASSERT_TRUE(extension);
+  string16 error;
+  EXPECT_TRUE(provider.UserMayLoad(extension.get(), &error));
+  EXPECT_EQ(string16(), error);
+  error.clear();
+
+  // Verify that if an extension's ID has been explicitly whitelisted for use in
+  // device-local accounts, the extension can be installed.
+  extension = CreateExtension(kWhitelistedId);
+  ASSERT_TRUE(extension);
+  EXPECT_TRUE(provider.UserMayLoad(extension.get(), &error));
+  EXPECT_EQ(string16(), error);
+  error.clear();
+
+  // Verify that if neither the type nor the ID of an extension have been
+  // whitelisted for use in device-local accounts, the extension cannot be
+  // installed.
+  extension = CreateExtension(std::string());
+  ASSERT_TRUE(extension);
+  EXPECT_FALSE(provider.UserMayLoad(extension.get(), &error));
+  EXPECT_NE(string16(), error);
+  error.clear();
+}
+
+TEST(DeviceLocalAccountManagementPolicyProviderTest, KioskAppSession) {
+  DeviceLocalAccountManagementPolicyProvider
+      provider(policy::DeviceLocalAccount::TYPE_KIOSK_APP);
+
+  // Verify that a platform app can be installed.
+  scoped_refptr<const extensions::Extension> extension = CreatePlatformApp();
+  ASSERT_TRUE(extension);
+  string16 error;
+  EXPECT_TRUE(provider.UserMayLoad(extension.get(), &error));
+  EXPECT_EQ(string16(), error);
+  error.clear();
+
+  // Verify that an extension whose type has been whitelisted for use in other
+  // types of device-local accounts cannot be installed in a single-app kiosk
+  // session.
+  extension = CreateHostedApp();
+  ASSERT_TRUE(extension);
+  EXPECT_FALSE(provider.UserMayLoad(extension.get(), &error));
+  EXPECT_NE(string16(), error);
+  error.clear();
+
+  // Verify that an extension whose ID has been whitelisted for use in other
+  // types of device-local accounts cannot be installed in a single-app kiosk
+  // session.
+  extension = CreateExtension(kWhitelistedId);
+  ASSERT_TRUE(extension);
+  EXPECT_FALSE(provider.UserMayLoad(extension.get(), &error));
+  EXPECT_NE(string16(), error);
+  error.clear();
+}
+
+}  // namespace chromeos