src/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 "webkit/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 "testing/gtest/include/gtest/gtest.h"
  14 #include "webkit/browser/fileapi/external_mount_points.h"
  15 #include "webkit/browser/fileapi/file_system_backend.h"
  16 #include "webkit/browser/fileapi/isolated_context.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 fileapi::ExternalMountPoints;
  27 using fileapi::FileSystemBackend;
  28 using fileapi::FileSystemContext;
  29 using fileapi::FileSystemMountOption;
  30 using fileapi::FileSystemType;
  31 using fileapi::FileSystemURL;
  32 using fileapi::IsolatedContext;
  33
  34 namespace content {
  35
  36 namespace {
  37
  38 const char kTestOrigin[] = "http://chromium.org/";
  39
  40 GURL CreateRawFileSystemURL(const std::string& type_str,
  41                             const std::string& fs_id) {
  42   std::string url_str = base::StringPrintf(
  43       "filesystem:http://chromium.org/%s/%s/root/file",
  44       type_str.c_str(),
  45       fs_id.c_str());
  46   return GURL(url_str);
  47 }
  48
  49 class FileSystemContextTest : public testing::Test {
  50  public:
  51   FileSystemContextTest() {}
  52
  53   virtual void SetUp() {
  54     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
  55
  56     storage_policy_ = new MockSpecialStoragePolicy();
  57
  58     mock_quota_manager_ =
  59         new MockQuotaManager(false /* is_incognito */,
  60                                     data_dir_.path(),
  61                                     base::MessageLoopProxy::current().get(),
  62                                     base::MessageLoopProxy::current().get(),
  63                                     storage_policy_.get());
  64   }
  65
  66  protected:
  67   FileSystemContext* CreateFileSystemContextForTest(
  68       fileapi::ExternalMountPoints* external_mount_points) {
  69     return new FileSystemContext(
  70         base::MessageLoopProxy::current().get(),
  71         base::MessageLoopProxy::current().get(),
  72         external_mount_points,
  73         storage_policy_.get(),
  74         mock_quota_manager_->proxy(),
  75         ScopedVector<FileSystemBackend>(),
  76         std::vector<fileapi::URLRequestAutoMountHandler>(),
  77         data_dir_.path(),
  78         CreateAllowFileAccessOptions());
  79   }
  80
  81   // Verifies a *valid* filesystem url has expected values.
  82   void ExpectFileSystemURLMatches(const FileSystemURL& url,
  83                                   const GURL& expect_origin,
  84                                   FileSystemType expect_mount_type,
  85                                   FileSystemType expect_type,
  86                                   const base::FilePath& expect_path,
  87                                   const base::FilePath& expect_virtual_path,
  88                                   const std::string& expect_filesystem_id) {
  89     EXPECT_TRUE(url.is_valid());
  90
  91     EXPECT_EQ(expect_origin, url.origin());
  92     EXPECT_EQ(expect_mount_type, url.mount_type());
  93     EXPECT_EQ(expect_type, url.type());
  94     EXPECT_EQ(expect_path, url.path());
  95     EXPECT_EQ(expect_virtual_path, url.virtual_path());
  96     EXPECT_EQ(expect_filesystem_id, url.filesystem_id());
  97   }
  98
  99  private:
 100   base::ScopedTempDir data_dir_;
 101   base::MessageLoop message_loop_;
 102   scoped_refptr<quota::SpecialStoragePolicy> storage_policy_;
 103   scoped_refptr<MockQuotaManager> mock_quota_manager_;
 104 };
 105
 106 // It is not valid to pass NULL ExternalMountPoints to FileSystemContext on
 107 // ChromeOS.
 108 #if !defined(OS_CHROMEOS)
 109 TEST_F(FileSystemContextTest, NullExternalMountPoints) {
 110   scoped_refptr<FileSystemContext> file_system_context(
 111       CreateFileSystemContextForTest(NULL));
 112
 113   // Cracking system external mount and isolated mount points should work.
 114   std::string isolated_name = "root";
 115   std::string isolated_id =
 116       IsolatedContext::GetInstance()->RegisterFileSystemForPath(
 117           fileapi::kFileSystemTypeNativeLocal,
 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       fileapi::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       fileapi::kFileSystemTypeIsolated,
 134       fileapi::kFileSystemTypeNativeLocal,
 135       base::FilePath(
 136           DRIVE FPL("/test/isolated/root/file")).NormalizePathSeparators(),
 137       base::FilePath::FromUTF8Unsafe(isolated_id).Append(FPL("root/file")).
 138           NormalizePathSeparators(),
 139       isolated_id);
 140
 141   FileSystemURL cracked_external = file_system_context->CrackURL(
 142       CreateRawFileSystemURL("external", "system"));
 143
 144   ExpectFileSystemURLMatches(
 145       cracked_external,
 146       GURL(kTestOrigin),
 147       fileapi::kFileSystemTypeExternal,
 148       fileapi::kFileSystemTypeNativeLocal,
 149       base::FilePath(
 150           DRIVE FPL("/test/sys/root/file")).NormalizePathSeparators(),
 151       base::FilePath(FPL("system/root/file")).NormalizePathSeparators(),
 152       "system");
 153
 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       fileapi::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       fileapi::kFileSystemTypeExternal,
 186       fileapi::kFileSystemTypeNativeLocal,
 187       base::FilePath(
 188           DRIVE FPL("/test/sys/root/file")).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           fileapi::kFileSystemTypeNativeLocal,
 207           base::FilePath(DRIVE FPL("/test/isolated/root")),
 208           &isolated_file_system_name);
 209   // Register system external mount point.
 210   ASSERT_TRUE(ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
 211       "system",
 212       fileapi::kFileSystemTypeDrive,
 213       FileSystemMountOption(),
 214       base::FilePath(DRIVE FPL("/test/sys/"))));
 215   ASSERT_TRUE(ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
 216       "ext",
 217       fileapi::kFileSystemTypeNativeLocal,
 218       FileSystemMountOption(),
 219       base::FilePath(DRIVE FPL("/test/ext"))));
 220   // Register a system external mount point with the same name/id as the
 221   // registered isolated mount point.
 222   ASSERT_TRUE(ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
 223       kIsolatedFileSystemID,
 224       fileapi::kFileSystemTypeRestrictedNativeLocal,
 225       FileSystemMountOption(),
 226       base::FilePath(DRIVE FPL("/test/system/isolated"))));
 227   // Add a mount points with the same name as a system mount point to
 228   // FileSystemContext's external mount points.
 229   ASSERT_TRUE(external_mount_points->RegisterFileSystem(
 230       "ext",
 231        fileapi::kFileSystemTypeNativeLocal,
 232        FileSystemMountOption(),
 233        base::FilePath(DRIVE FPL("/test/local/ext/"))));
 234
 235   const GURL kTestOrigin = GURL("http://chromium.org/");
 236   const base::FilePath kVirtualPathNoRoot = base::FilePath(FPL("root/file"));
 237
 238   struct TestCase {
 239     // Test case values.
 240     std::string root;
 241     std::string type_str;
 242
 243     // Expected test results.
 244     bool expect_is_valid;
 245     FileSystemType expect_mount_type;
 246     FileSystemType expect_type;
 247     const base::FilePath::CharType* expect_path;
 248     std::string expect_filesystem_id;
 249   };
 250
 251   const TestCase kTestCases[] = {
 252       // Following should not be handled by the url crackers:
 253       {
 254         "pers_mount", "persistent", true /* is_valid */,
 255         fileapi::kFileSystemTypePersistent, fileapi::kFileSystemTypePersistent,
 256         FPL("pers_mount/root/file"),
 257         std::string()  /* filesystem id */
 258       },
 259       {
 260         "temp_mount", "temporary", true /* is_valid */,
 261         fileapi::kFileSystemTypeTemporary, fileapi::kFileSystemTypeTemporary,
 262         FPL("temp_mount/root/file"),
 263         std::string()  /* filesystem id */
 264       },
 265       // Should be cracked by isolated mount points:
 266       {
 267         kIsolatedFileSystemID, "isolated", true /* is_valid */,
 268         fileapi::kFileSystemTypeIsolated, fileapi::kFileSystemTypeNativeLocal,
 269         DRIVE FPL("/test/isolated/root/file"),
 270         kIsolatedFileSystemID
 271       },
 272       // Should be cracked by system mount points:
 273       {
 274         "system", "external", true /* is_valid */,
 275         fileapi::kFileSystemTypeExternal, fileapi::kFileSystemTypeDrive,
 276         DRIVE FPL("/test/sys/root/file"),
 277         "system"
 278       },
 279       {
 280         kIsolatedFileSystemID, "external", true /* is_valid */,
 281         fileapi::kFileSystemTypeExternal,
 282         fileapi::kFileSystemTypeRestrictedNativeLocal,
 283         DRIVE FPL("/test/system/isolated/root/file"),
 284         kIsolatedFileSystemID
 285       },
 286       // Should be cracked by FileSystemContext's ExternalMountPoints.
 287       {
 288         "ext", "external", true /* is_valid */,
 289         fileapi::kFileSystemTypeExternal, fileapi::kFileSystemTypeNativeLocal,
 290         DRIVE FPL("/test/local/ext/root/file"),
 291         "ext"
 292       },
 293       // Test for invalid filesystem url (made invalid by adding invalid
 294       // filesystem type).
 295       {
 296         "sytem", "external", false /* is_valid */,
 297         // The rest of values will be ignored.
 298         fileapi::kFileSystemTypeUnknown, fileapi::kFileSystemTypeUnknown,
 299         FPL(""), std::string()
 300       },
 301       // Test for URL with non-existing filesystem id.
 302       {
 303         "invalid", "external", false /* is_valid */,
 304         // The rest of values will be ignored.
 305         fileapi::kFileSystemTypeUnknown, fileapi::kFileSystemTypeUnknown,
 306         FPL(""), std::string()
 307       },
 308   };
 309
 310   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestCases); ++i) {
 311     const base::FilePath virtual_path =
 312         base::FilePath::FromUTF8Unsafe(
 313             kTestCases[i].root).Append(kVirtualPathNoRoot);
 314
 315     GURL raw_url =
 316         CreateRawFileSystemURL(kTestCases[i].type_str, kTestCases[i].root);
 317     FileSystemURL cracked_url = file_system_context->CrackURL(raw_url);
 318
 319     SCOPED_TRACE(testing::Message() << "Test case " << i << ": "
 320                                     << "Cracking URL: " << raw_url);
 321
 322     EXPECT_EQ(kTestCases[i].expect_is_valid, cracked_url.is_valid());
 323     if (!kTestCases[i].expect_is_valid)
 324       continue;
 325
 326     ExpectFileSystemURLMatches(
 327         cracked_url,
 328         GURL(kTestOrigin),
 329         kTestCases[i].expect_mount_type,
 330         kTestCases[i].expect_type,
 331         base::FilePath(kTestCases[i].expect_path).NormalizePathSeparators(),
 332         virtual_path.NormalizePathSeparators(),
 333         kTestCases[i].expect_filesystem_id);
 334   }
 335
 336   IsolatedContext::GetInstance()->RevokeFileSystemByPath(
 337       base::FilePath(DRIVE FPL("/test/isolated/root")));
 338   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem("system");
 339   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem("ext");
 340   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem(
 341       kIsolatedFileSystemID);
 342 }
 343
 344 TEST_F(FileSystemContextTest, CanServeURLRequest) {
 345   scoped_refptr<ExternalMountPoints> external_mount_points(
 346       ExternalMountPoints::CreateRefCounted());
 347   scoped_refptr<FileSystemContext> context(
 348       CreateFileSystemContextForTest(external_mount_points.get()));
 349
 350   // A request for a sandbox mount point should be served.
 351   FileSystemURL cracked_url =
 352       context->CrackURL(CreateRawFileSystemURL("persistent", "pers_mount"));
 353   EXPECT_EQ(fileapi::kFileSystemTypePersistent, cracked_url.mount_type());
 354   EXPECT_TRUE(context->CanServeURLRequest(cracked_url));
 355
 356   // A request for an isolated mount point should NOT be served.
 357   std::string isolated_fs_name = "root";
 358   std::string isolated_fs_id =
 359       IsolatedContext::GetInstance()->RegisterFileSystemForPath(
 360           fileapi::kFileSystemTypeNativeLocal,
 361           base::FilePath(DRIVE FPL("/test/isolated/root")),
 362           &isolated_fs_name);
 363   cracked_url = context->CrackURL(
 364       CreateRawFileSystemURL("isolated", isolated_fs_id));
 365   EXPECT_EQ(fileapi::kFileSystemTypeIsolated, cracked_url.mount_type());
 366   EXPECT_FALSE(context->CanServeURLRequest(cracked_url));
 367
 368   // A request for an external mount point should be served.
 369   const std::string kExternalMountName = "ext_mount";
 370   ASSERT_TRUE(ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
 371       kExternalMountName, fileapi::kFileSystemTypeDrive,
 372       FileSystemMountOption(),
 373       base::FilePath()));
 374   cracked_url = context->CrackURL(
 375       CreateRawFileSystemURL("external", kExternalMountName));
 376   EXPECT_EQ(fileapi::kFileSystemTypeExternal, cracked_url.mount_type());
 377   EXPECT_TRUE(context->CanServeURLRequest(cracked_url));
 378
 379   ExternalMountPoints::GetSystemInstance()->RevokeFileSystem(
 380       kExternalMountName);
 381   IsolatedContext::GetInstance()->RevokeFileSystem(isolated_fs_id);
 382 }
 383
 384 }  // namespace
 385
 386 }  // namespace content