src/content/browser/fileapi/isolated_context_unittest.cc

   1 // Copyright 2014 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/basictypes.h"
   8 #include "base/logging.h"
   9 #include "storage/browser/fileapi/file_system_url.h"
  10 #include "storage/browser/fileapi/isolated_context.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 #define FPL(x) FILE_PATH_LITERAL(x)
  14
  15 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
  16 #define DRIVE FPL("C:")
  17 #else
  18 #define DRIVE
  19 #endif
  20
  21 using storage::FileSystemMountOption;
  22 using storage::FileSystemURL;
  23 using storage::IsolatedContext;
  24 using storage::kFileSystemTypeDragged;
  25 using storage::kFileSystemTypeIsolated;
  26 using storage::kFileSystemTypeNativeLocal;
  27
  28 namespace content {
  29
  30 typedef IsolatedContext::MountPointInfo FileInfo;
  31
  32 namespace {
  33
  34 const base::FilePath kTestPaths[] = {
  35   base::FilePath(DRIVE FPL("/a/b.txt")),
  36   base::FilePath(DRIVE FPL("/c/d/e")),
  37   base::FilePath(DRIVE FPL("/h/")),
  38   base::FilePath(DRIVE FPL("/")),
  39 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
  40   base::FilePath(DRIVE FPL("\\foo\\bar")),
  41   base::FilePath(DRIVE FPL("\\")),
  42 #endif
  43   // For duplicated base name test.
  44   base::FilePath(DRIVE FPL("/")),
  45   base::FilePath(DRIVE FPL("/f/e")),
  46   base::FilePath(DRIVE FPL("/f/b.txt")),
  47 };
  48
  49 }  // namespace
  50
  51 class IsolatedContextTest : public testing::Test {
  52  public:
  53   IsolatedContextTest() {
  54     for (size_t i = 0; i < arraysize(kTestPaths); ++i)
  55       fileset_.insert(kTestPaths[i].NormalizePathSeparators());
  56   }
  57
  58   void SetUp() override {
  59     IsolatedContext::FileInfoSet files;
  60     for (size_t i = 0; i < arraysize(kTestPaths); ++i) {
  61       std::string name;
  62       ASSERT_TRUE(
  63           files.AddPath(kTestPaths[i].NormalizePathSeparators(), &name));
  64       names_.push_back(name);
  65     }
  66     id_ = IsolatedContext::GetInstance()->RegisterDraggedFileSystem(files);
  67     IsolatedContext::GetInstance()->AddReference(id_);
  68     ASSERT_FALSE(id_.empty());
  69   }
  70
  71   void TearDown() override {
  72     IsolatedContext::GetInstance()->RemoveReference(id_);
  73   }
  74
  75   IsolatedContext* isolated_context() const {
  76     return IsolatedContext::GetInstance();
  77   }
  78
  79  protected:
  80   std::string id_;
  81   std::multiset<base::FilePath> fileset_;
  82   std::vector<std::string> names_;
  83
  84  private:
  85   DISALLOW_COPY_AND_ASSIGN(IsolatedContextTest);
  86 };
  87
  88 TEST_F(IsolatedContextTest, RegisterAndRevokeTest) {
  89   // See if the returned top-level entries match with what we registered.
  90   std::vector<FileInfo> toplevels;
  91   ASSERT_TRUE(isolated_context()->GetDraggedFileInfo(id_, &toplevels));
  92   ASSERT_EQ(fileset_.size(), toplevels.size());
  93   for (size_t i = 0; i < toplevels.size(); ++i) {
  94     ASSERT_TRUE(fileset_.find(toplevels[i].path) != fileset_.end());
  95   }
  96
  97   // See if the name of each registered kTestPaths (that is what we
  98   // register in SetUp() by RegisterDraggedFileSystem) is properly cracked as
  99   // a valid virtual path in the isolated filesystem.
 100   for (size_t i = 0; i < arraysize(kTestPaths); ++i) {
 101     base::FilePath virtual_path = isolated_context()->CreateVirtualRootPath(id_)
 102         .AppendASCII(names_[i]);
 103     std::string cracked_id;
 104     base::FilePath cracked_path;
 105     std::string cracked_inner_id;
 106     storage::FileSystemType cracked_type;
 107     FileSystemMountOption cracked_option;
 108     ASSERT_TRUE(isolated_context()->CrackVirtualPath(
 109         virtual_path, &cracked_id, &cracked_type, &cracked_inner_id,
 110         &cracked_path, &cracked_option));
 111     ASSERT_EQ(kTestPaths[i].NormalizePathSeparators().value(),
 112               cracked_path.value());
 113     ASSERT_EQ(id_, cracked_id);
 114     ASSERT_EQ(kFileSystemTypeDragged, cracked_type);
 115     EXPECT_TRUE(cracked_inner_id.empty());
 116   }
 117
 118   // Make sure GetRegisteredPath returns false for id_ since it is
 119   // registered for dragged files.
 120   base::FilePath path;
 121   ASSERT_FALSE(isolated_context()->GetRegisteredPath(id_, &path));
 122
 123   // Deref the current one and registering a new one.
 124   isolated_context()->RemoveReference(id_);
 125
 126   std::string id2 = isolated_context()->RegisterFileSystemForPath(
 127       kFileSystemTypeNativeLocal, std::string(),
 128       base::FilePath(DRIVE FPL("/foo")), NULL);
 129
 130   // Make sure the GetDraggedFileInfo returns false for both ones.
 131   ASSERT_FALSE(isolated_context()->GetDraggedFileInfo(id2, &toplevels));
 132   ASSERT_FALSE(isolated_context()->GetDraggedFileInfo(id_, &toplevels));
 133
 134   // Make sure the GetRegisteredPath returns true only for the new one.
 135   ASSERT_FALSE(isolated_context()->GetRegisteredPath(id_, &path));
 136   ASSERT_TRUE(isolated_context()->GetRegisteredPath(id2, &path));
 137
 138   // Try registering three more file systems for the same path as id2.
 139   std::string id3 = isolated_context()->RegisterFileSystemForPath(
 140       kFileSystemTypeNativeLocal, std::string(), path, NULL);
 141   std::string id4 = isolated_context()->RegisterFileSystemForPath(
 142       kFileSystemTypeNativeLocal, std::string(), path, NULL);
 143   std::string id5 = isolated_context()->RegisterFileSystemForPath(
 144       kFileSystemTypeNativeLocal, std::string(), path, NULL);
 145
 146   // Remove file system for id4.
 147   isolated_context()->AddReference(id4);
 148   isolated_context()->RemoveReference(id4);
 149
 150   // Only id4 should become invalid now.
 151   ASSERT_TRUE(isolated_context()->GetRegisteredPath(id2, &path));
 152   ASSERT_TRUE(isolated_context()->GetRegisteredPath(id3, &path));
 153   ASSERT_FALSE(isolated_context()->GetRegisteredPath(id4, &path));
 154   ASSERT_TRUE(isolated_context()->GetRegisteredPath(id5, &path));
 155
 156   // Revoke file system id5, after adding multiple references.
 157   isolated_context()->AddReference(id5);
 158   isolated_context()->AddReference(id5);
 159   isolated_context()->AddReference(id5);
 160   isolated_context()->RevokeFileSystem(id5);
 161
 162   // No matter how many references we add id5 must be invalid now.
 163   ASSERT_TRUE(isolated_context()->GetRegisteredPath(id2, &path));
 164   ASSERT_TRUE(isolated_context()->GetRegisteredPath(id3, &path));
 165   ASSERT_FALSE(isolated_context()->GetRegisteredPath(id4, &path));
 166   ASSERT_FALSE(isolated_context()->GetRegisteredPath(id5, &path));
 167
 168   // Revoke the file systems by path.
 169   isolated_context()->RevokeFileSystemByPath(path);
 170
 171   // Now all the file systems associated to the path must be invalid.
 172   ASSERT_FALSE(isolated_context()->GetRegisteredPath(id2, &path));
 173   ASSERT_FALSE(isolated_context()->GetRegisteredPath(id3, &path));
 174   ASSERT_FALSE(isolated_context()->GetRegisteredPath(id4, &path));
 175   ASSERT_FALSE(isolated_context()->GetRegisteredPath(id5, &path));
 176 }
 177
 178 TEST_F(IsolatedContextTest, CrackWithRelativePaths) {
 179   const struct {
 180     base::FilePath::StringType path;
 181     bool valid;
 182   } relatives[] = {
 183     { FPL("foo"), true },
 184     { FPL("foo/bar"), true },
 185     { FPL(".."), false },
 186     { FPL("foo/.."), false },
 187     { FPL("foo/../bar"), false },
 188 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 189 # define SHOULD_FAIL_WITH_WIN_SEPARATORS false
 190 #else
 191 # define SHOULD_FAIL_WITH_WIN_SEPARATORS true
 192 #endif
 193     { FPL("foo\\..\\baz"), SHOULD_FAIL_WITH_WIN_SEPARATORS },
 194     { FPL("foo/..\\baz"), SHOULD_FAIL_WITH_WIN_SEPARATORS },
 195   };
 196
 197   for (size_t i = 0; i < arraysize(kTestPaths); ++i) {
 198     for (size_t j = 0; j < arraysize(relatives); ++j) {
 199       SCOPED_TRACE(testing::Message() << "Testing "
 200                    << kTestPaths[i].value() << " " << relatives[j].path);
 201       base::FilePath virtual_path =
 202           isolated_context()->CreateVirtualRootPath(id_).AppendASCII(
 203               names_[i]).Append(relatives[j].path);
 204       std::string cracked_id;
 205       base::FilePath cracked_path;
 206       storage::FileSystemType cracked_type;
 207       std::string cracked_inner_id;
 208       FileSystemMountOption cracked_option;
 209       if (!relatives[j].valid) {
 210         ASSERT_FALSE(isolated_context()->CrackVirtualPath(
 211             virtual_path, &cracked_id, &cracked_type, &cracked_inner_id,
 212             &cracked_path, &cracked_option));
 213         continue;
 214       }
 215       ASSERT_TRUE(isolated_context()->CrackVirtualPath(
 216           virtual_path, &cracked_id, &cracked_type, &cracked_inner_id,
 217           &cracked_path, &cracked_option));
 218       ASSERT_EQ(kTestPaths[i].Append(relatives[j].path)
 219                     .NormalizePathSeparators().value(),
 220                 cracked_path.value());
 221       ASSERT_EQ(id_, cracked_id);
 222       ASSERT_EQ(kFileSystemTypeDragged, cracked_type);
 223       EXPECT_TRUE(cracked_inner_id.empty());
 224     }
 225   }
 226 }
 227
 228 TEST_F(IsolatedContextTest, CrackURLWithRelativePaths) {
 229   const struct {
 230     base::FilePath::StringType path;
 231     bool valid;
 232   } relatives[] = {
 233     { FPL("foo"), true },
 234     { FPL("foo/bar"), true },
 235     { FPL(".."), false },
 236     { FPL("foo/.."), false },
 237     { FPL("foo/../bar"), false },
 238 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 239 # define SHOULD_FAIL_WITH_WIN_SEPARATORS false
 240 #else
 241 # define SHOULD_FAIL_WITH_WIN_SEPARATORS true
 242 #endif
 243     { FPL("foo\\..\\baz"), SHOULD_FAIL_WITH_WIN_SEPARATORS },
 244     { FPL("foo/..\\baz"), SHOULD_FAIL_WITH_WIN_SEPARATORS },
 245   };
 246
 247   for (size_t i = 0; i < arraysize(kTestPaths); ++i) {
 248     for (size_t j = 0; j < arraysize(relatives); ++j) {
 249       SCOPED_TRACE(testing::Message() << "Testing "
 250                    << kTestPaths[i].value() << " " << relatives[j].path);
 251       base::FilePath virtual_path =
 252           isolated_context()->CreateVirtualRootPath(id_).AppendASCII(
 253               names_[i]).Append(relatives[j].path);
 254
 255       FileSystemURL cracked = isolated_context()->CreateCrackedFileSystemURL(
 256           GURL("http://chromium.org"), kFileSystemTypeIsolated, virtual_path);
 257
 258       ASSERT_EQ(relatives[j].valid, cracked.is_valid());
 259
 260       if (!relatives[j].valid)
 261         continue;
 262       ASSERT_EQ(GURL("http://chromium.org"), cracked.origin());
 263       ASSERT_EQ(kTestPaths[i].Append(relatives[j].path)
 264                     .NormalizePathSeparators().value(),
 265                 cracked.path().value());
 266       ASSERT_EQ(virtual_path.NormalizePathSeparators(), cracked.virtual_path());
 267       ASSERT_EQ(id_, cracked.filesystem_id());
 268       ASSERT_EQ(kFileSystemTypeDragged, cracked.type());
 269       ASSERT_EQ(kFileSystemTypeIsolated, cracked.mount_type());
 270     }
 271   }
 272 }
 273
 274 TEST_F(IsolatedContextTest, TestWithVirtualRoot) {
 275   std::string cracked_id;
 276   base::FilePath cracked_path;
 277   FileSystemMountOption cracked_option;
 278
 279   // Trying to crack virtual root "/" returns true but with empty cracked path
 280   // as "/" of the isolated filesystem is a pure virtual directory
 281   // that has no corresponding platform directory.
 282   base::FilePath virtual_path = isolated_context()->CreateVirtualRootPath(id_);
 283   ASSERT_TRUE(isolated_context()->CrackVirtualPath(
 284       virtual_path, &cracked_id, NULL, NULL, &cracked_path, &cracked_option));
 285   ASSERT_EQ(FPL(""), cracked_path.value());
 286   ASSERT_EQ(id_, cracked_id);
 287
 288   // Trying to crack "/foo" should fail (because "foo" is not the one
 289   // included in the kTestPaths).
 290   virtual_path = isolated_context()->CreateVirtualRootPath(
 291       id_).AppendASCII("foo");
 292   ASSERT_FALSE(isolated_context()->CrackVirtualPath(
 293       virtual_path, &cracked_id, NULL, NULL, &cracked_path, &cracked_option));
 294 }
 295
 296 TEST_F(IsolatedContextTest, CanHandleURL) {
 297   const GURL test_origin("http://chromium.org");
 298   const base::FilePath test_path(FPL("/mount"));
 299
 300   // Should handle isolated file system.
 301   EXPECT_TRUE(isolated_context()->HandlesFileSystemMountType(
 302       storage::kFileSystemTypeIsolated));
 303
 304   // Shouldn't handle the rest.
 305   EXPECT_FALSE(isolated_context()->HandlesFileSystemMountType(
 306       storage::kFileSystemTypeExternal));
 307   EXPECT_FALSE(isolated_context()->HandlesFileSystemMountType(
 308       storage::kFileSystemTypeTemporary));
 309   EXPECT_FALSE(isolated_context()->HandlesFileSystemMountType(
 310       storage::kFileSystemTypePersistent));
 311   EXPECT_FALSE(isolated_context()->HandlesFileSystemMountType(
 312       storage::kFileSystemTypeTest));
 313   // Not even if it's isolated subtype.
 314   EXPECT_FALSE(isolated_context()->HandlesFileSystemMountType(
 315       storage::kFileSystemTypeNativeLocal));
 316   EXPECT_FALSE(isolated_context()->HandlesFileSystemMountType(
 317       storage::kFileSystemTypeDragged));
 318   EXPECT_FALSE(isolated_context()->HandlesFileSystemMountType(
 319       storage::kFileSystemTypeNativeMedia));
 320   EXPECT_FALSE(isolated_context()->HandlesFileSystemMountType(
 321       storage::kFileSystemTypeDeviceMedia));
 322 }
 323
 324 TEST_F(IsolatedContextTest, VirtualFileSystemTests) {
 325   // Should be able to register empty and non-absolute paths
 326   std::string empty_fsid = isolated_context()->RegisterFileSystemForVirtualPath(
 327       storage::kFileSystemTypeIsolated, "_", base::FilePath());
 328   std::string relative_fsid =
 329       isolated_context()->RegisterFileSystemForVirtualPath(
 330           storage::kFileSystemTypeIsolated,
 331           "_",
 332           base::FilePath(FPL("relpath")));
 333   ASSERT_FALSE(empty_fsid.empty());
 334   ASSERT_FALSE(relative_fsid.empty());
 335
 336   // Make sure that filesystem root is not prepended to cracked virtual paths.
 337   base::FilePath database_root = base::FilePath(DRIVE FPL("/database_path"));
 338   std::string database_fsid =
 339       isolated_context()->RegisterFileSystemForVirtualPath(
 340           storage::kFileSystemTypeIsolated, "_", database_root);
 341
 342   base::FilePath test_virtual_path =
 343       base::FilePath().AppendASCII("virtualdir").AppendASCII("virtualfile.txt");
 344
 345   base::FilePath whole_virtual_path =
 346       isolated_context()->CreateVirtualRootPath(database_fsid)
 347           .AppendASCII("_").Append(test_virtual_path);
 348
 349   std::string cracked_id;
 350   base::FilePath cracked_path;
 351   std::string cracked_inner_id;
 352   FileSystemMountOption cracked_option;
 353   ASSERT_TRUE(isolated_context()->CrackVirtualPath(
 354       whole_virtual_path, &cracked_id, NULL, &cracked_inner_id,
 355       &cracked_path, &cracked_option));
 356   ASSERT_EQ(database_fsid, cracked_id);
 357   ASSERT_EQ(test_virtual_path, cracked_path);
 358   EXPECT_TRUE(cracked_inner_id.empty());
 359 }
 360
 361 }  // namespace content