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      1 // Copyright 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 "chrome/browser/chromeos/fileapi/external_file_url_request_job.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/files/file_util.h"
      9 #include "base/memory/ref_counted.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "base/run_loop.h"
     12 #include "base/threading/thread.h"
     13 #include "chrome/browser/chromeos/drive/drive_file_stream_reader.h"
     14 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
     15 #include "chrome/browser/chromeos/drive/fake_file_system.h"
     16 #include "chrome/browser/chromeos/drive/file_system_util.h"
     17 #include "chrome/browser/chromeos/drive/test_util.h"
     18 #include "chrome/browser/drive/fake_drive_service.h"
     19 #include "chrome/browser/drive/test_util.h"
     20 #include "chrome/browser/prefs/browser_prefs.h"
     21 #include "chrome/browser/prefs/pref_service_syncable.h"
     22 #include "chrome/browser/profiles/profile_manager.h"
     23 #include "chrome/common/url_constants.h"
     24 #include "chrome/test/base/testing_browser_process.h"
     25 #include "chrome/test/base/testing_profile.h"
     26 #include "chrome/test/base/testing_profile_manager.h"
     27 #include "components/pref_registry/pref_registry_syncable.h"
     28 #include "components/pref_registry/testing_pref_service_syncable.h"
     29 #include "content/public/browser/browser_thread.h"
     30 #include "content/public/test/test_browser_thread_bundle.h"
     31 #include "content/public/test/test_file_system_options.h"
     32 #include "google_apis/drive/test_util.h"
     33 #include "net/base/request_priority.h"
     34 #include "net/base/test_completion_callback.h"
     35 #include "net/http/http_byte_range.h"
     36 #include "net/url_request/redirect_info.h"
     37 #include "net/url_request/url_request.h"
     38 #include "net/url_request/url_request_context.h"
     39 #include "net/url_request/url_request_test_util.h"
     40 #include "storage/browser/fileapi/external_mount_points.h"
     41 #include "storage/browser/fileapi/file_system_context.h"
     42 #include "testing/gtest/include/gtest/gtest.h"
     43 #include "url/gurl.h"
     44 
     45 namespace chromeos {
     46 namespace {
     47 
     48 // A simple URLRequestJobFactory implementation to create
     49 // ExternalFileURLRequestJob.
     50 class TestURLRequestJobFactory : public net::URLRequestJobFactory {
     51  public:
     52   explicit TestURLRequestJobFactory(void* profile_id)
     53       : profile_id_(profile_id) {}
     54 
     55   virtual ~TestURLRequestJobFactory() {}
     56 
     57   // net::URLRequestJobFactory override:
     58   virtual net::URLRequestJob* MaybeCreateJobWithProtocolHandler(
     59       const std::string& scheme,
     60       net::URLRequest* request,
     61       net::NetworkDelegate* network_delegate) const OVERRIDE {
     62     return new ExternalFileURLRequestJob(
     63         profile_id_, request, network_delegate);
     64   }
     65 
     66   virtual bool IsHandledProtocol(const std::string& scheme) const OVERRIDE {
     67     return scheme == chrome::kExternalFileScheme;
     68   }
     69 
     70   virtual bool IsHandledURL(const GURL& url) const OVERRIDE {
     71     return url.is_valid() && IsHandledProtocol(url.scheme());
     72   }
     73 
     74   virtual bool IsSafeRedirectTarget(const GURL& location) const OVERRIDE {
     75     return true;
     76   }
     77 
     78  private:
     79   void* const profile_id_;
     80   DISALLOW_COPY_AND_ASSIGN(TestURLRequestJobFactory);
     81 };
     82 
     83 class TestDelegate : public net::TestDelegate {
     84  public:
     85   TestDelegate() {}
     86 
     87   const GURL& redirect_url() const { return redirect_url_; }
     88 
     89   // net::TestDelegate override.
     90   virtual void OnReceivedRedirect(net::URLRequest* request,
     91                                   const net::RedirectInfo& redirect_info,
     92                                   bool* defer_redirect) OVERRIDE {
     93     redirect_url_ = redirect_info.new_url;
     94     net::TestDelegate::OnReceivedRedirect(
     95         request, redirect_info, defer_redirect);
     96   }
     97 
     98  private:
     99   GURL redirect_url_;
    100 
    101   DISALLOW_COPY_AND_ASSIGN(TestDelegate);
    102 };
    103 
    104 }  // namespace
    105 
    106 class ExternalFileURLRequestJobTest : public testing::Test {
    107  protected:
    108   ExternalFileURLRequestJobTest()
    109       : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP),
    110         integration_service_factory_callback_(base::Bind(
    111             &ExternalFileURLRequestJobTest::CreateDriveIntegrationService,
    112             base::Unretained(this))),
    113         fake_file_system_(NULL) {}
    114 
    115   virtual ~ExternalFileURLRequestJobTest() {}
    116 
    117   virtual void SetUp() OVERRIDE {
    118     // Create a testing profile.
    119     profile_manager_.reset(
    120         new TestingProfileManager(TestingBrowserProcess::GetGlobal()));
    121     ASSERT_TRUE(profile_manager_->SetUp());
    122     Profile* const profile =
    123         profile_manager_->CreateTestingProfile("test-user");
    124 
    125     // Create the drive integration service for the profile.
    126     integration_service_factory_scope_.reset(
    127         new drive::DriveIntegrationServiceFactory::ScopedFactoryForTest(
    128             &integration_service_factory_callback_));
    129     drive::DriveIntegrationServiceFactory::GetForProfile(profile);
    130 
    131     // Create the URL request job factory.
    132     test_network_delegate_.reset(new net::TestNetworkDelegate);
    133     test_url_request_job_factory_.reset(new TestURLRequestJobFactory(profile));
    134     url_request_context_.reset(new net::URLRequestContext());
    135     url_request_context_->set_job_factory(test_url_request_job_factory_.get());
    136     url_request_context_->set_network_delegate(test_network_delegate_.get());
    137     test_delegate_.reset(new TestDelegate);
    138   }
    139 
    140   virtual void TearDown() { profile_manager_.reset(); }
    141 
    142   bool ReadDriveFileSync(const base::FilePath& file_path,
    143                          std::string* out_content) {
    144     scoped_ptr<base::Thread> worker_thread(
    145         new base::Thread("ReadDriveFileSync"));
    146     if (!worker_thread->Start())
    147       return false;
    148 
    149     scoped_ptr<drive::DriveFileStreamReader> reader(
    150         new drive::DriveFileStreamReader(
    151             base::Bind(&ExternalFileURLRequestJobTest::GetFileSystem,
    152                        base::Unretained(this)),
    153             worker_thread->message_loop_proxy().get()));
    154     int error = net::ERR_FAILED;
    155     scoped_ptr<drive::ResourceEntry> entry;
    156     {
    157       base::RunLoop run_loop;
    158       reader->Initialize(file_path,
    159                          net::HttpByteRange(),
    160                          google_apis::test_util::CreateQuitCallback(
    161                              &run_loop,
    162                              google_apis::test_util::CreateCopyResultCallback(
    163                                  &error, &entry)));
    164       run_loop.Run();
    165     }
    166     if (error != net::OK || !entry)
    167       return false;
    168 
    169     // Read data from the reader.
    170     std::string content;
    171     if (drive::test_util::ReadAllData(reader.get(), &content) != net::OK)
    172       return false;
    173 
    174     if (static_cast<size_t>(entry->file_info().size()) != content.size())
    175       return false;
    176 
    177     *out_content = content;
    178     return true;
    179   }
    180 
    181   scoped_ptr<net::URLRequestContext> url_request_context_;
    182   scoped_ptr<TestDelegate> test_delegate_;
    183 
    184  private:
    185   // Create the drive integration service for the |profile|
    186   drive::DriveIntegrationService* CreateDriveIntegrationService(
    187       Profile* profile) {
    188     drive::FakeDriveService* const drive_service = new drive::FakeDriveService;
    189     if (!drive::test_util::SetUpTestEntries(drive_service))
    190       return NULL;
    191 
    192     const std::string& drive_mount_name =
    193         drive::util::GetDriveMountPointPath(profile).BaseName().AsUTF8Unsafe();
    194     storage::ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
    195         drive_mount_name,
    196         storage::kFileSystemTypeDrive,
    197         storage::FileSystemMountOption(),
    198         drive::util::GetDriveMountPointPath(profile));
    199     DCHECK(!fake_file_system_);
    200     fake_file_system_ = new drive::test_util::FakeFileSystem(drive_service);
    201     if (!drive_cache_dir_.CreateUniqueTempDir())
    202       return NULL;
    203     return new drive::DriveIntegrationService(profile,
    204                                               NULL,
    205                                               drive_service,
    206                                               drive_mount_name,
    207                                               drive_cache_dir_.path(),
    208                                               fake_file_system_);
    209   }
    210 
    211   drive::FileSystemInterface* GetFileSystem() { return fake_file_system_; }
    212 
    213   content::TestBrowserThreadBundle thread_bundle_;
    214   drive::DriveIntegrationServiceFactory::FactoryCallback
    215       integration_service_factory_callback_;
    216   scoped_ptr<drive::DriveIntegrationServiceFactory::ScopedFactoryForTest>
    217       integration_service_factory_scope_;
    218   scoped_ptr<drive::DriveIntegrationService> integration_service_;
    219   drive::test_util::FakeFileSystem* fake_file_system_;
    220 
    221   scoped_ptr<net::TestNetworkDelegate> test_network_delegate_;
    222   scoped_ptr<TestURLRequestJobFactory> test_url_request_job_factory_;
    223 
    224   scoped_ptr<TestingProfileManager> profile_manager_;
    225   base::ScopedTempDir drive_cache_dir_;
    226   scoped_refptr<storage::FileSystemContext> file_system_context_;
    227 };
    228 
    229 TEST_F(ExternalFileURLRequestJobTest, NonGetMethod) {
    230   scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    231       GURL("externalfile:drive-test-user-hash/root/File 1.txt"),
    232       net::DEFAULT_PRIORITY,
    233       test_delegate_.get(),
    234       NULL));
    235   request->set_method("POST");  // Set non "GET" method.
    236   request->Start();
    237 
    238   base::RunLoop().Run();
    239 
    240   EXPECT_EQ(net::URLRequestStatus::FAILED, request->status().status());
    241   EXPECT_EQ(net::ERR_METHOD_NOT_SUPPORTED, request->status().error());
    242 }
    243 
    244 TEST_F(ExternalFileURLRequestJobTest, RegularFile) {
    245   const GURL kTestUrl("externalfile:drive-test-user-hash/root/File 1.txt");
    246   const base::FilePath kTestFilePath("drive/root/File 1.txt");
    247 
    248   // For the first time, the file should be fetched from the server.
    249   {
    250     scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    251         kTestUrl, net::DEFAULT_PRIORITY, test_delegate_.get(), NULL));
    252     request->Start();
    253 
    254     base::RunLoop().Run();
    255 
    256     EXPECT_EQ(net::URLRequestStatus::SUCCESS, request->status().status());
    257     // It looks weird, but the mime type for the "File 1.txt" is "audio/mpeg"
    258     // on the server.
    259     std::string mime_type;
    260     request->GetMimeType(&mime_type);
    261     EXPECT_EQ("audio/mpeg", mime_type);
    262 
    263     // Reading file must be done after |request| runs, otherwise
    264     // it'll create a local cache file, and we cannot test correctly.
    265     std::string expected_data;
    266     ASSERT_TRUE(ReadDriveFileSync(kTestFilePath, &expected_data));
    267     EXPECT_EQ(expected_data, test_delegate_->data_received());
    268   }
    269 
    270   // For the second time, the locally cached file should be used.
    271   // The caching emulation is done by FakeFileSystem.
    272   {
    273     test_delegate_.reset(new TestDelegate);
    274     scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    275         GURL("externalfile:drive-test-user-hash/root/File 1.txt"),
    276         net::DEFAULT_PRIORITY,
    277         test_delegate_.get(),
    278         NULL));
    279     request->Start();
    280 
    281     base::RunLoop().Run();
    282 
    283     EXPECT_EQ(net::URLRequestStatus::SUCCESS, request->status().status());
    284     std::string mime_type;
    285     request->GetMimeType(&mime_type);
    286     EXPECT_EQ("audio/mpeg", mime_type);
    287 
    288     std::string expected_data;
    289     ASSERT_TRUE(ReadDriveFileSync(kTestFilePath, &expected_data));
    290     EXPECT_EQ(expected_data, test_delegate_->data_received());
    291   }
    292 }
    293 
    294 TEST_F(ExternalFileURLRequestJobTest, HostedDocument) {
    295   // Open a gdoc file.
    296   test_delegate_->set_quit_on_redirect(true);
    297   scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    298       GURL(
    299           "externalfile:drive-test-user-hash/root/Document 1 "
    300           "excludeDir-test.gdoc"),
    301       net::DEFAULT_PRIORITY,
    302       test_delegate_.get(),
    303       NULL));
    304   request->Start();
    305 
    306   base::RunLoop().Run();
    307 
    308   EXPECT_EQ(net::URLRequestStatus::SUCCESS, request->status().status());
    309   // Make sure that a hosted document triggers redirection.
    310   EXPECT_TRUE(request->is_redirecting());
    311   EXPECT_TRUE(test_delegate_->redirect_url().is_valid());
    312 }
    313 
    314 TEST_F(ExternalFileURLRequestJobTest, RootDirectory) {
    315   scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    316       GURL("externalfile:drive-test-user-hash/root"),
    317       net::DEFAULT_PRIORITY,
    318       test_delegate_.get(),
    319       NULL));
    320   request->Start();
    321 
    322   base::RunLoop().Run();
    323 
    324   EXPECT_EQ(net::URLRequestStatus::FAILED, request->status().status());
    325   EXPECT_EQ(net::ERR_FAILED, request->status().error());
    326 }
    327 
    328 TEST_F(ExternalFileURLRequestJobTest, Directory) {
    329   scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    330       GURL("externalfile:drive-test-user-hash/root/Directory 1"),
    331       net::DEFAULT_PRIORITY,
    332       test_delegate_.get(),
    333       NULL));
    334   request->Start();
    335 
    336   base::RunLoop().Run();
    337 
    338   EXPECT_EQ(net::URLRequestStatus::FAILED, request->status().status());
    339   EXPECT_EQ(net::ERR_FAILED, request->status().error());
    340 }
    341 
    342 TEST_F(ExternalFileURLRequestJobTest, NonExistingFile) {
    343   scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    344       GURL("externalfile:drive-test-user-hash/root/non-existing-file.txt"),
    345       net::DEFAULT_PRIORITY,
    346       test_delegate_.get(),
    347       NULL));
    348   request->Start();
    349 
    350   base::RunLoop().Run();
    351 
    352   EXPECT_EQ(net::URLRequestStatus::FAILED, request->status().status());
    353   EXPECT_EQ(net::ERR_FILE_NOT_FOUND, request->status().error());
    354 }
    355 
    356 TEST_F(ExternalFileURLRequestJobTest, WrongFormat) {
    357   scoped_ptr<net::URLRequest> request(
    358       url_request_context_->CreateRequest(GURL("externalfile:"),
    359                                           net::DEFAULT_PRIORITY,
    360                                           test_delegate_.get(),
    361                                           NULL));
    362   request->Start();
    363 
    364   base::RunLoop().Run();
    365 
    366   EXPECT_EQ(net::URLRequestStatus::FAILED, request->status().status());
    367   EXPECT_EQ(net::ERR_INVALID_URL, request->status().error());
    368 }
    369 
    370 TEST_F(ExternalFileURLRequestJobTest, Cancel) {
    371   scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    372       GURL("externalfile:drive-test-user-hash/root/File 1.txt"),
    373       net::DEFAULT_PRIORITY,
    374       test_delegate_.get(),
    375       NULL));
    376 
    377   // Start the request, and cancel it immediately after it.
    378   request->Start();
    379   request->Cancel();
    380 
    381   base::RunLoop().Run();
    382 
    383   EXPECT_EQ(net::URLRequestStatus::CANCELED, request->status().status());
    384 }
    385 
    386 TEST_F(ExternalFileURLRequestJobTest, RangeHeader) {
    387   const GURL kTestUrl("externalfile:drive-test-user-hash/root/File 1.txt");
    388   const base::FilePath kTestFilePath("drive/root/File 1.txt");
    389 
    390   scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    391       kTestUrl, net::DEFAULT_PRIORITY, test_delegate_.get(), NULL));
    392 
    393   // Set range header.
    394   request->SetExtraRequestHeaderByName(
    395       "Range", "bytes=3-5", false /* overwrite */);
    396   request->Start();
    397 
    398   base::RunLoop().Run();
    399 
    400   EXPECT_EQ(net::URLRequestStatus::SUCCESS, request->status().status());
    401 
    402   // Reading file must be done after |request| runs, otherwise
    403   // it'll create a local cache file, and we cannot test correctly.
    404   std::string expected_data;
    405   ASSERT_TRUE(ReadDriveFileSync(kTestFilePath, &expected_data));
    406   EXPECT_EQ(expected_data.substr(3, 3), test_delegate_->data_received());
    407 }
    408 
    409 TEST_F(ExternalFileURLRequestJobTest, WrongRangeHeader) {
    410   const GURL kTestUrl("externalfile:drive-test-user-hash/root/File 1.txt");
    411 
    412   scoped_ptr<net::URLRequest> request(url_request_context_->CreateRequest(
    413       kTestUrl, net::DEFAULT_PRIORITY, test_delegate_.get(), NULL));
    414 
    415   // Set range header.
    416   request->SetExtraRequestHeaderByName(
    417       "Range", "Wrong Range Header Value", false /* overwrite */);
    418   request->Start();
    419 
    420   base::RunLoop().Run();
    421 
    422   EXPECT_EQ(net::URLRequestStatus::FAILED, request->status().status());
    423   EXPECT_EQ(net::ERR_REQUEST_RANGE_NOT_SATISFIABLE, request->status().error());
    424 }
    425 
    426 }  // namespace chromeos
    427