content/browser/fileapi/file_system_context_unittest.cc

   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 "storage/browser/fileapi/file_system_context.h"
   6
   7 #include "base/files/scoped_temp_dir.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "content/browser/quota/mock_quota_manager.h"
  11 #include "content/public/test/mock_special_storage_policy.h"
  12 #include "content/public/test/test_file_system_options.h"
  13 #include "storage/browser/fileapi/external_mount_points.h"
  14 #include "storage/browser/fileapi/file_system_backend.h"
  15 #include "storage/browser/fileapi/isolated_context.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17
  18 #define FPL(x) FILE_PATH_LITERAL(x)
  19
  20 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
  21 #define DRIVE FPL("C:")
  22 #else
  23 #define DRIVE
  24 #endif
  25
  26 using storage::ExternalMountPoints;
  27 using storage::FileSystemBackend;
  28 using storage::FileSystemContext;
  29 using storage::FileSystemMountOption;
  30 using storage::FileSystemURL;
  31 using storage::IsolatedContext;
  32
  33 namespace content {
  34
  35 namespace {
  36
  37 const char kTestOrigin[] = "http://chromium.org/";
  38
  39 GURL CreateRawFileSystemURL(const std::string& type_str,
  40                             const std::string& fs_id) {
  41   std::string url_str = base::StringPrintf(
  42       "filesystem:http://chromium.org/%s/%s/root/file",
  43       type_str.c_str(),
  44       fs_id.c_str());
  45   return GURL(url_str);
  46 }
  47
  48 class FileSystemContextTest : public testing::Test {
  49  public:
  50   FileSystemContextTest() {}
  51
  52   void SetUp() override {
  53     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
  54
  55     storage_policy_ = new MockSpecialStoragePolicy();
  56
  57     mock_quota_manager_ =
  58         new MockQuotaManager(false /* is_incognito */,
  59                                     data_dir_.path(),
  60                                     base::MessageLoopProxy::current().get(),
  61                                     base::MessageLoopProxy::current().get(),
  62                                     storage_policy_.get());
  63   }
  64
  65  protected:
  66   FileSystemContext* CreateFileSystemContextForTest(
  67       storage::ExternalMountPoints* external_mount_points) {
  68     return new FileSystemContext(
  69         base::MessageLoopProxy::current().get(),
  70         base::MessageLoopProxy::current().get(),
  71         external_mount_points,
  72         storage_policy_.get(),
  73         mock_quota_manager_->proxy(),
  74         ScopedVector<FileSystemBackend>(),
  75         std::vector<storage::URLRequestAutoMountHandler>(),
  76         data_dir_.path(),
  77         CreateAllowFileAccessOptions());
  78   }
  79
  80   // Verifies a *valid* filesystem url has expected values.
  81   void ExpectFileSystemURLMatches(const FileSystemURL& url,
  82                                   const GURL& expect_origin,
  83                                   storage::FileSystemType expect_mount_type,
  84                                   storage::FileSystemType expect_type,
  85                                   const base::FilePath& expect_path,
  86                                   const base::FilePath& expect_virtual_path,
  87                                   const std::string& expect_filesystem_id) {
  88     EXPECT_TRUE(url.is_valid());
  89
  90     EXPECT_EQ(expect_origin, url.origin());
  91     EXPECT_EQ(expect_mount_type, url.mount_type());
  92     EXPECT_EQ(expect_type, url.type());
  93     EXPECT_EQ(expect_path, url.path());
  94     EXPECT_EQ(expect_virtual_path, url.virtual_path());
  95     EXPECT_EQ(expect_filesystem_id, url.filesystem_id());
  96   }
  97
  98  private:
  99   base::ScopedTempDir data_dir_;
 100   base::MessageLoop message_loop_;
 101   scoped_refptr<storage::SpecialStoragePolicy> storage_policy_;
 102   scoped_refptr<MockQuotaManager> mock_quota_manager_;
 103 };
 104
 105 // It is not valid to pass NULL ExternalMountPoints to FileSystemContext on
 106 // ChromeOS.
 107 #if !defined(OS_CHROMEOS)
 108 TEST_F(FileSystemContextTest, NullExternalMountPoints) {
 109   scoped_refptr<FileSystemContext> file_system_context(
 110       CreateFileSystemContextForTest(NULL));
 111
 112   // Cracking system external mount and isolated mount points should work.
 113   std::string isolated_name = "root";
 114   std::string isolated_id =
 115       IsolatedContext::GetInstance()->RegisterFileSystemForPath(
 116           storage::kFileSystemTypeNativeLocal,
 117           std::string(),
 118           base::FilePath(DRIVE FPL("/test/isolated/root")),
 119           &isolated_name);
 120   // Register system external mount point.
 121   ASSERT_TRUE(ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
 122       "system",
 123       storage::kFileSystemTypeNativeLocal,
 124       FileSystemMountOption(),
 125       base::FilePath(DRIVE FPL("/test/sys/"))));
 126
 127   FileSystemURL cracked_isolated = file_system_context->CrackURL(
 128       CreateRawFileSystemURL("isolated", isolated_id));
 129
 130   ExpectFileSystemURLMatches(
 131       cracked_isolated,
 132       GURL(kTestOrigin),
 133       storage::kFileSystemTypeIsolated,
 134       storage::kFileSystemTypeNativeLocal,
 135       base::FilePath(DRIVE FPL("/test/isolated/root/file"))
 136           .NormalizePathSeparators(),
 137       base::FilePath::FromUTF8Unsafe(isolated_id)
 138           .Append(FPL("root/file"))
 139           .NormalizePathSeparators(),
 140       isolated_id);
 141
 142   FileSystemURL cracked_external = file_system_context->CrackURL(
 143       CreateRawFileSystemURL("external", "system"));
 144
 145   ExpectFileSystemURLMatches(
 146       cracked_external,
 147       GURL(kTestOrigin),
 148       storage::kFileSystemTypeExternal,
 149       storage::kFileSystemTypeNativeLocal,
 150       base::FilePath(DRIVE FPL("/test/sys/root/file"))
 151           .NormalizePathSeparators(),
 152       base::FilePath(FPL("system/root/file")).NormalizePathSeparators(),
 153       "system");
 154
 155   IsolatedContext::GetInstance()->RevokeFileSystem(isolated_id);
 156   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem("system");
 157 }
 158 #endif  // !defiend(OS_CHROMEOS)
 159
 160 TEST_F(FileSystemContextTest, FileSystemContextKeepsMountPointsAlive) {
 161   scoped_refptr<ExternalMountPoints> mount_points =
 162       ExternalMountPoints::CreateRefCounted();
 163
 164   // Register system external mount point.
 165   ASSERT_TRUE(mount_points->RegisterFileSystem(
 166       "system",
 167       storage::kFileSystemTypeNativeLocal,
 168       FileSystemMountOption(),
 169       base::FilePath(DRIVE FPL("/test/sys/"))));
 170
 171   scoped_refptr<FileSystemContext> file_system_context(
 172       CreateFileSystemContextForTest(mount_points.get()));
 173
 174   // Release a MountPoints reference created in the test.
 175   mount_points = NULL;
 176
 177   // FileSystemContext should keep a reference to the |mount_points|, so it
 178   // should be able to resolve the URL.
 179   FileSystemURL cracked_external = file_system_context->CrackURL(
 180       CreateRawFileSystemURL("external", "system"));
 181
 182   ExpectFileSystemURLMatches(
 183       cracked_external,
 184       GURL(kTestOrigin),
 185       storage::kFileSystemTypeExternal,
 186       storage::kFileSystemTypeNativeLocal,
 187       base::FilePath(DRIVE FPL("/test/sys/root/file"))
 188           .NormalizePathSeparators(),
 189       base::FilePath(FPL("system/root/file")).NormalizePathSeparators(),
 190       "system");
 191
 192   // No need to revoke the registered filesystem since |mount_points| lifetime
 193   // is bound to this test.
 194 }
 195
 196 TEST_F(FileSystemContextTest, CrackFileSystemURL) {
 197   scoped_refptr<ExternalMountPoints> external_mount_points(
 198       ExternalMountPoints::CreateRefCounted());
 199   scoped_refptr<FileSystemContext> file_system_context(
 200       CreateFileSystemContextForTest(external_mount_points.get()));
 201
 202   // Register an isolated mount point.
 203   std::string isolated_file_system_name = "root";
 204   const std::string kIsolatedFileSystemID =
 205       IsolatedContext::GetInstance()->RegisterFileSystemForPath(
 206           storage::kFileSystemTypeNativeLocal,
 207           std::string(),
 208           base::FilePath(DRIVE FPL("/test/isolated/root")),
 209           &isolated_file_system_name);
 210   // Register system external mount point.
 211   ASSERT_TRUE(ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
 212       "system",
 213       storage::kFileSystemTypeDrive,
 214       FileSystemMountOption(),
 215       base::FilePath(DRIVE FPL("/test/sys/"))));
 216   ASSERT_TRUE(ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
 217       "ext",
 218       storage::kFileSystemTypeNativeLocal,
 219       FileSystemMountOption(),
 220       base::FilePath(DRIVE FPL("/test/ext"))));
 221   // Register a system external mount point with the same name/id as the
 222   // registered isolated mount point.
 223   ASSERT_TRUE(ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
 224       kIsolatedFileSystemID,
 225       storage::kFileSystemTypeRestrictedNativeLocal,
 226       FileSystemMountOption(),
 227       base::FilePath(DRIVE FPL("/test/system/isolated"))));
 228   // Add a mount points with the same name as a system mount point to
 229   // FileSystemContext's external mount points.
 230   ASSERT_TRUE(external_mount_points->RegisterFileSystem(
 231       "ext",
 232       storage::kFileSystemTypeNativeLocal,
 233       FileSystemMountOption(),
 234       base::FilePath(DRIVE FPL("/test/local/ext/"))));
 235
 236   const GURL kTestOrigin = GURL("http://chromium.org/");
 237   const base::FilePath kVirtualPathNoRoot = base::FilePath(FPL("root/file"));
 238
 239   struct TestCase {
 240     // Test case values.
 241     std::string root;
 242     std::string type_str;
 243
 244     // Expected test results.
 245     bool expect_is_valid;
 246     storage::FileSystemType expect_mount_type;
 247     storage::FileSystemType expect_type;
 248     const base::FilePath::CharType* expect_path;
 249     std::string expect_filesystem_id;
 250   };
 251
 252   const TestCase kTestCases[] = {
 253       // Following should not be handled by the url crackers:
 254       {
 255        "pers_mount", "persistent", true /* is_valid */,
 256        storage::kFileSystemTypePersistent, storage::kFileSystemTypePersistent,
 257        FPL("pers_mount/root/file"), std::string() /* filesystem id */
 258       },
 259       {
 260        "temp_mount", "temporary", true /* is_valid */,
 261        storage::kFileSystemTypeTemporary, storage::kFileSystemTypeTemporary,
 262        FPL("temp_mount/root/file"), std::string() /* filesystem id */
 263       },
 264       // Should be cracked by isolated mount points:
 265       {kIsolatedFileSystemID, "isolated", true /* is_valid */,
 266        storage::kFileSystemTypeIsolated, storage::kFileSystemTypeNativeLocal,
 267        DRIVE FPL("/test/isolated/root/file"), kIsolatedFileSystemID},
 268       // Should be cracked by system mount points:
 269       {"system", "external", true /* is_valid */,
 270        storage::kFileSystemTypeExternal, storage::kFileSystemTypeDrive,
 271        DRIVE FPL("/test/sys/root/file"), "system"},
 272       {kIsolatedFileSystemID, "external", true /* is_valid */,
 273        storage::kFileSystemTypeExternal,
 274        storage::kFileSystemTypeRestrictedNativeLocal,
 275        DRIVE FPL("/test/system/isolated/root/file"), kIsolatedFileSystemID},
 276       // Should be cracked by FileSystemContext's ExternalMountPoints.
 277       {"ext", "external", true /* is_valid */, storage::kFileSystemTypeExternal,
 278        storage::kFileSystemTypeNativeLocal,
 279        DRIVE FPL("/test/local/ext/root/file"), "ext"},
 280       // Test for invalid filesystem url (made invalid by adding invalid
 281       // filesystem type).
 282       {"sytem", "external", false /* is_valid */,
 283        // The rest of values will be ignored.
 284        storage::kFileSystemTypeUnknown, storage::kFileSystemTypeUnknown,
 285        FPL(""), std::string()},
 286       // Test for URL with non-existing filesystem id.
 287       {"invalid", "external", false /* is_valid */,
 288        // The rest of values will be ignored.
 289        storage::kFileSystemTypeUnknown, storage::kFileSystemTypeUnknown,
 290        FPL(""), std::string()},
 291   };
 292
 293   for (size_t i = 0; i < arraysize(kTestCases); ++i) {
 294     const base::FilePath virtual_path =
 295         base::FilePath::FromUTF8Unsafe(
 296             kTestCases[i].root).Append(kVirtualPathNoRoot);
 297
 298     GURL raw_url =
 299         CreateRawFileSystemURL(kTestCases[i].type_str, kTestCases[i].root);
 300     FileSystemURL cracked_url = file_system_context->CrackURL(raw_url);
 301
 302     SCOPED_TRACE(testing::Message() << "Test case " << i << ": "
 303                                     << "Cracking URL: " << raw_url);
 304
 305     EXPECT_EQ(kTestCases[i].expect_is_valid, cracked_url.is_valid());
 306     if (!kTestCases[i].expect_is_valid)
 307       continue;
 308
 309     ExpectFileSystemURLMatches(
 310         cracked_url,
 311         GURL(kTestOrigin),
 312         kTestCases[i].expect_mount_type,
 313         kTestCases[i].expect_type,
 314         base::FilePath(kTestCases[i].expect_path).NormalizePathSeparators(),
 315         virtual_path.NormalizePathSeparators(),
 316         kTestCases[i].expect_filesystem_id);
 317   }
 318
 319   IsolatedContext::GetInstance()->RevokeFileSystemByPath(
 320       base::FilePath(DRIVE FPL("/test/isolated/root")));
 321   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem("system");
 322   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem("ext");
 323   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem(
 324       kIsolatedFileSystemID);
 325 }
 326
 327 TEST_F(FileSystemContextTest, CanServeURLRequest) {
 328   scoped_refptr<ExternalMountPoints> external_mount_points(
 329       ExternalMountPoints::CreateRefCounted());
 330   scoped_refptr<FileSystemContext> context(
 331       CreateFileSystemContextForTest(external_mount_points.get()));
 332
 333   // A request for a sandbox mount point should be served.
 334   FileSystemURL cracked_url =
 335       context->CrackURL(CreateRawFileSystemURL("persistent", "pers_mount"));
 336   EXPECT_EQ(storage::kFileSystemTypePersistent, cracked_url.mount_type());
 337   EXPECT_TRUE(context->CanServeURLRequest(cracked_url));
 338
 339   // A request for an isolated mount point should NOT be served.
 340   std::string isolated_fs_name = "root";
 341   std::string isolated_fs_id =
 342       IsolatedContext::GetInstance()->RegisterFileSystemForPath(
 343           storage::kFileSystemTypeNativeLocal,
 344           std::string(),
 345           base::FilePath(DRIVE FPL("/test/isolated/root")),
 346           &isolated_fs_name);
 347   cracked_url = context->CrackURL(
 348       CreateRawFileSystemURL("isolated", isolated_fs_id));
 349   EXPECT_EQ(storage::kFileSystemTypeIsolated, cracked_url.mount_type());
 350   EXPECT_FALSE(context->CanServeURLRequest(cracked_url));
 351
 352   // A request for an external mount point should be served.
 353   const std::string kExternalMountName = "ext_mount";
 354   ASSERT_TRUE(ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
 355       kExternalMountName,
 356       storage::kFileSystemTypeDrive,
 357       FileSystemMountOption(),
 358       base::FilePath()));
 359   cracked_url = context->CrackURL(
 360       CreateRawFileSystemURL("external", kExternalMountName));
 361   EXPECT_EQ(storage::kFileSystemTypeExternal, cracked_url.mount_type());
 362   EXPECT_TRUE(context->CanServeURLRequest(cracked_url));
 363
 364   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem(
 365       kExternalMountName);
 366   IsolatedContext::GetInstance()->RevokeFileSystem(isolated_fs_id);
 367 }
 368
 369 // Ensures that a backend exists for each common isolated file system type.
 370 // See http://crbug.com/447027
 371 TEST_F(FileSystemContextTest, IsolatedFileSystemsTypesHandled) {
 372   // This does not provide any "additional" file system handlers. In particular,
 373   // on Chrome OS it does not provide chromeos::FileSystemBackend.
 374   scoped_refptr<FileSystemContext> file_system_context(
 375       CreateFileSystemContextForTest(nullptr));
 376
 377   // Isolated file system types are handled.
 378   EXPECT_TRUE(file_system_context->GetFileSystemBackend(
 379       storage::kFileSystemTypeIsolated));
 380   EXPECT_TRUE(file_system_context->GetFileSystemBackend(
 381       storage::kFileSystemTypeDragged));
 382   EXPECT_TRUE(file_system_context->GetFileSystemBackend(
 383       storage::kFileSystemTypeForTransientFile));
 384   EXPECT_TRUE(file_system_context->GetFileSystemBackend(
 385       storage::kFileSystemTypeNativeLocal));
 386   EXPECT_TRUE(file_system_context->GetFileSystemBackend(
 387       storage::kFileSystemTypeNativeForPlatformApp));
 388 }
 389
 390 }  // namespace
 391
 392 }  // namespace content