src/chrome/browser/policy/cloud/component_cloud_policy_browsertest.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <string>
   6
   7 #include "base/base64.h"
   8 #include "base/command_line.h"
   9 #include "base/file_util.h"
  10 #include "base/files/file_path.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/path_service.h"
  13 #include "base/run_loop.h"
  14 #include "base/strings/string_util.h"
  15 #include "chrome/browser/browser_process.h"
  16 #include "chrome/browser/extensions/extension_browsertest.h"
  17 #include "chrome/browser/extensions/extension_test_message_listener.h"
  18 #include "chrome/browser/policy/profile_policy_connector.h"
  19 #include "chrome/browser/policy/profile_policy_connector_factory.h"
  20 #include "chrome/browser/policy/test/local_policy_test_server.h"
  21 #include "chrome/browser/profiles/profile.h"
  22 #include "chrome/browser/ui/browser.h"
  23 #include "chrome/common/chrome_paths.h"
  24 #include "components/policy/core/browser/browser_policy_connector.h"
  25 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
  26 #include "components/policy/core/common/cloud/mock_cloud_policy_client.h"
  27 #include "components/policy/core/common/policy_service.h"
  28 #include "components/policy/core/common/policy_switches.h"
  29 #include "components/policy/core/common/policy_test_utils.h"
  30 #include "extensions/common/extension.h"
  31 #include "net/url_request/url_request_context_getter.h"
  32 #include "policy/proto/chrome_extension_policy.pb.h"
  33 #include "policy/proto/cloud_policy.pb.h"
  34 #include "testing/gmock/include/gmock/gmock.h"
  35 #include "testing/gtest/include/gtest/gtest.h"
  36
  37 #if defined(OS_CHROMEOS)
  38 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos.h"
  39 #include "chrome/browser/chromeos/policy/user_cloud_policy_manager_factory_chromeos.h"
  40 #include "chromeos/chromeos_switches.h"
  41 #else
  42 #include "chrome/browser/policy/cloud/user_cloud_policy_manager_factory.h"
  43 #include "chrome/browser/signin/signin_manager_factory.h"
  44 #include "components/policy/core/common/cloud/user_cloud_policy_manager.h"
  45 #include "components/signin/core/browser/signin_manager.h"
  46 #endif
  47
  48 using testing::InvokeWithoutArgs;
  49 using testing::Mock;
  50 using testing::Return;
  51 using testing::_;
  52
  53 namespace em = enterprise_management;
  54
  55 namespace policy {
  56
  57 namespace {
  58
  59 const char kDMToken[] = "dmtoken";
  60 const char kDeviceID[] = "deviceid";
  61
  62 const char kTestExtension[] = "kjmkgkdkpedkejedfhmfcenooemhbpbo";
  63
  64 const base::FilePath::CharType kTestExtensionPath[] =
  65     FILE_PATH_LITERAL("extensions/managed_extension");
  66
  67 const char kTestPolicy[] =
  68     "{"
  69     "  \"Name\": {"
  70     "    \"Value\": \"disable_all_the_things\""
  71     "  }"
  72     "}";
  73
  74 const char kTestExtension2[] = "behllobkkfkfnphdnhnkndlbkcpglgmj";
  75 const base::FilePath::CharType kTestExtension2Path[] =
  76     FILE_PATH_LITERAL("extensions/managed_extension2");
  77
  78 const char kTestPolicyJSON[] = "{\"Name\":\"disable_all_the_things\"}";
  79
  80 const char kTestPolicy2[] =
  81     "{"
  82     "  \"Another\": {"
  83     "    \"Value\": \"turn_it_off\""
  84     "  }"
  85     "}";
  86
  87 const char kTestPolicy2JSON[] = "{\"Another\":\"turn_it_off\"}";
  88
  89 #if !defined(OS_CHROMEOS)
  90 // Same encoding as ResourceCache does for its keys.
  91 bool Base64UrlEncode(const std::string& value, std::string* encoded) {
  92   if (value.empty())
  93     return false;
  94   base::Base64Encode(value, encoded);
  95   base::ReplaceChars(*encoded, "+", "-", encoded);
  96   base::ReplaceChars(*encoded, "/", "_", encoded);
  97   return true;
  98 }
  99 #endif
 100
 101 }  // namespace
 102
 103 class ComponentCloudPolicyTest : public ExtensionBrowserTest {
 104  protected:
 105   ComponentCloudPolicyTest() {}
 106   virtual ~ComponentCloudPolicyTest() {}
 107
 108   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
 109     ExtensionBrowserTest::SetUpCommandLine(command_line);
 110 #if defined(OS_CHROMEOS)
 111     // ExtensionBrowserTest sets the login users to a non-managed value;
 112     // replace it. This is the default username sent in policy blobs from the
 113     // testserver.
 114     command_line->AppendSwitchASCII(
 115         ::chromeos::switches::kLoginUser, "user@example.com");
 116 #endif
 117   }
 118
 119   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
 120     test_server_.RegisterClient(kDMToken, kDeviceID);
 121     EXPECT_TRUE(test_server_.UpdatePolicyData(
 122         dm_protocol::kChromeExtensionPolicyType, kTestExtension, kTestPolicy));
 123     ASSERT_TRUE(test_server_.Start());
 124
 125     std::string url = test_server_.GetServiceURL().spec();
 126     CommandLine* command_line = CommandLine::ForCurrentProcess();
 127     command_line->AppendSwitchASCII(switches::kDeviceManagementUrl, url);
 128
 129     ExtensionBrowserTest::SetUpInProcessBrowserTestFixture();
 130   }
 131
 132   virtual void SetUpOnMainThread() OVERRIDE {
 133     ASSERT_TRUE(PolicyServiceIsEmpty(g_browser_process->policy_service()))
 134         << "Pre-existing policies in this machine will make this test fail.";
 135
 136     // Install the initial extension.
 137     ExtensionTestMessageListener ready_listener("ready", true);
 138     event_listener_.reset(new ExtensionTestMessageListener("event", true));
 139     extension_ = LoadExtension(kTestExtensionPath);
 140     ASSERT_TRUE(extension_.get());
 141     ASSERT_EQ(kTestExtension, extension_->id());
 142     EXPECT_TRUE(ready_listener.WaitUntilSatisfied());
 143
 144     // And start with a signed-in user.
 145     SignInAndRegister();
 146
 147     // The extension will receive an update event.
 148     EXPECT_TRUE(event_listener_->WaitUntilSatisfied());
 149
 150     ExtensionBrowserTest::SetUpOnMainThread();
 151   }
 152
 153   scoped_refptr<const extensions::Extension> LoadExtension(
 154       const base::FilePath::CharType* path) {
 155     base::FilePath full_path;
 156     if (!PathService::Get(chrome::DIR_TEST_DATA, &full_path)) {
 157       ADD_FAILURE();
 158       return NULL;
 159     }
 160     scoped_refptr<const extensions::Extension> extension(
 161         ExtensionBrowserTest::LoadExtension(full_path.Append(path)));
 162     if (!extension.get()) {
 163       ADD_FAILURE();
 164       return NULL;
 165     }
 166     return extension;
 167   }
 168
 169   void SignInAndRegister() {
 170     BrowserPolicyConnector* connector =
 171         g_browser_process->browser_policy_connector();
 172     connector->ScheduleServiceInitialization(0);
 173
 174 #if defined(OS_CHROMEOS)
 175     UserCloudPolicyManagerChromeOS* policy_manager =
 176         UserCloudPolicyManagerFactoryChromeOS::GetForProfile(
 177             browser()->profile());
 178     ASSERT_TRUE(policy_manager);
 179 #else
 180     // Mock a signed-in user. This is used by the UserCloudPolicyStore to pass
 181     // the username to the UserCloudPolicyValidator.
 182     SigninManager* signin_manager =
 183         SigninManagerFactory::GetForProfile(browser()->profile());
 184     ASSERT_TRUE(signin_manager);
 185     signin_manager->SetAuthenticatedUsername("user@example.com");
 186
 187     UserCloudPolicyManager* policy_manager =
 188         UserCloudPolicyManagerFactory::GetForBrowserContext(
 189             browser()->profile());
 190     ASSERT_TRUE(policy_manager);
 191     policy_manager->Connect(
 192         g_browser_process->local_state(),
 193         g_browser_process->system_request_context(),
 194         UserCloudPolicyManager::CreateCloudPolicyClient(
 195             connector->device_management_service(),
 196             g_browser_process->system_request_context()).Pass());
 197 #endif  // defined(OS_CHROMEOS)
 198
 199     // Register the cloud policy client.
 200     ASSERT_TRUE(policy_manager->core()->client());
 201     base::RunLoop run_loop;
 202     MockCloudPolicyClientObserver observer;
 203     EXPECT_CALL(observer, OnRegistrationStateChanged(_))
 204         .WillOnce(InvokeWithoutArgs(&run_loop, &base::RunLoop::Quit));
 205     policy_manager->core()->client()->AddObserver(&observer);
 206     policy_manager->core()->client()->SetupRegistration(kDMToken, kDeviceID);
 207     run_loop.Run();
 208     Mock::VerifyAndClearExpectations(&observer);
 209     policy_manager->core()->client()->RemoveObserver(&observer);
 210   }
 211
 212 #if !defined(OS_CHROMEOS)
 213   void SignOut() {
 214     SigninManager* signin_manager =
 215         SigninManagerFactory::GetForProfile(browser()->profile());
 216     ASSERT_TRUE(signin_manager);
 217     signin_manager->SignOut();
 218   }
 219 #endif
 220
 221   void RefreshPolicies() {
 222     ProfilePolicyConnector* profile_connector =
 223         ProfilePolicyConnectorFactory::GetForProfile(browser()->profile());
 224     PolicyService* policy_service = profile_connector->policy_service();
 225     base::RunLoop run_loop;
 226     policy_service->RefreshPolicies(run_loop.QuitClosure());
 227     run_loop.Run();
 228   }
 229
 230   LocalPolicyTestServer test_server_;
 231   scoped_refptr<const extensions::Extension> extension_;
 232   scoped_ptr<ExtensionTestMessageListener> event_listener_;
 233 };
 234
 235 IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, FetchExtensionPolicy) {
 236   // Read the initial policy.
 237   ExtensionTestMessageListener policy_listener(kTestPolicyJSON, true);
 238   event_listener_->Reply("get-policy-Name");
 239   EXPECT_TRUE(policy_listener.WaitUntilSatisfied());
 240 }
 241
 242 IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, UpdateExtensionPolicy) {
 243   // Read the initial policy.
 244   ExtensionTestMessageListener policy_listener(kTestPolicyJSON, true);
 245   event_listener_->Reply("get-policy-Name");
 246   EXPECT_TRUE(policy_listener.WaitUntilSatisfied());
 247
 248   // Update the policy at the server and reload policy.
 249   event_listener_.reset(new ExtensionTestMessageListener("event", true));
 250   policy_listener.Reply("idle");
 251   EXPECT_TRUE(test_server_.UpdatePolicyData(
 252       dm_protocol::kChromeExtensionPolicyType, kTestExtension, kTestPolicy2));
 253   RefreshPolicies();
 254
 255   // Check that the update event was received, and verify the new policy
 256   // values.
 257   EXPECT_TRUE(event_listener_->WaitUntilSatisfied());
 258
 259   // This policy was removed.
 260   ExtensionTestMessageListener policy_listener1("{}", true);
 261   event_listener_->Reply("get-policy-Name");
 262   EXPECT_TRUE(policy_listener1.WaitUntilSatisfied());
 263
 264   ExtensionTestMessageListener policy_listener2(kTestPolicy2JSON, true);
 265   policy_listener1.Reply("get-policy-Another");
 266   EXPECT_TRUE(policy_listener2.WaitUntilSatisfied());
 267 }
 268
 269 IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, InstallNewExtension) {
 270   EXPECT_TRUE(test_server_.UpdatePolicyData(
 271       dm_protocol::kChromeExtensionPolicyType, kTestExtension2, kTestPolicy2));
 272   // Installing a new extension doesn't trigger another policy fetch because
 273   // the server always sends down the list of all extensions that have policy.
 274   // Fetch now that the configuration has been updated and before installing
 275   // the extension.
 276   RefreshPolicies();
 277
 278   ExtensionTestMessageListener result_listener("ok", true);
 279   result_listener.set_failure_message("fail");
 280   scoped_refptr<const extensions::Extension> extension2 =
 281       LoadExtension(kTestExtension2Path);
 282   ASSERT_TRUE(extension2.get());
 283   ASSERT_EQ(kTestExtension2, extension2->id());
 284
 285   // This extension only sends the 'policy' signal once it receives the policy,
 286   // and after verifying it has the expected value. Otherwise it sends 'fail'.
 287   EXPECT_TRUE(result_listener.WaitUntilSatisfied());
 288 }
 289
 290 // Signing out on Chrome OS is a different process from signing out on the
 291 // Desktop platforms. On Chrome OS the session is ended, and the user goes back
 292 // to the sign-in screen; the Profile data is not affected. On the Desktop the
 293 // session goes on though, and all the signed-in services are disconnected;
 294 // in particular, the policy caches are dropped if the user signs out.
 295 // This test verifies that when the user signs out then any existing component
 296 // policy caches are dropped, and that it's still possible to sign back in and
 297 // get policy for components working again.
 298 #if !defined(OS_CHROMEOS)
 299 IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, SignOutAndBackIn) {
 300   // Read the initial policy.
 301   ExtensionTestMessageListener initial_policy_listener(kTestPolicyJSON, true);
 302   event_listener_->Reply("get-policy-Name");
 303   EXPECT_TRUE(initial_policy_listener.WaitUntilSatisfied());
 304
 305   // Verify that the policy cache exists.
 306   std::string cache_key;
 307   ASSERT_TRUE(Base64UrlEncode("extension-policy", &cache_key));
 308   std::string cache_subkey;
 309   ASSERT_TRUE(Base64UrlEncode(kTestExtension, &cache_subkey));
 310   base::FilePath cache_path = browser()->profile()->GetPath()
 311       .Append(FILE_PATH_LITERAL("Policy"))
 312       .Append(FILE_PATH_LITERAL("Components"))
 313       .AppendASCII(cache_key)
 314       .AppendASCII(cache_subkey);
 315   EXPECT_TRUE(base::PathExists(cache_path));
 316
 317   // Now sign-out. The policy cache should be removed, and the extension should
 318   // get an empty policy update.
 319   ExtensionTestMessageListener event_listener("event", true);
 320   initial_policy_listener.Reply("idle");
 321   SignOut();
 322   EXPECT_TRUE(event_listener.WaitUntilSatisfied());
 323
 324   // The extension got an update event; verify that the policy was empty.
 325   ExtensionTestMessageListener signout_policy_listener("{}", true);
 326   event_listener.Reply("get-policy-Name");
 327   EXPECT_TRUE(signout_policy_listener.WaitUntilSatisfied());
 328
 329   // Verify that the cache is gone.
 330   EXPECT_FALSE(base::PathExists(cache_path));
 331
 332   // Verify that the policy is fetched again if the user signs back in.
 333   ExtensionTestMessageListener event_listener2("event", true);
 334   SignInAndRegister();
 335   EXPECT_TRUE(event_listener2.WaitUntilSatisfied());
 336
 337   // The extension got updated policy; verify it.
 338   ExtensionTestMessageListener signin_policy_listener(kTestPolicyJSON, true);
 339   event_listener2.Reply("get-policy-Name");
 340   EXPECT_TRUE(signin_policy_listener.WaitUntilSatisfied());
 341
 342   // And the cache is back.
 343   EXPECT_TRUE(base::PathExists(cache_path));
 344 }
 345 #endif
 346
 347 }  // namespace policy