content/browser/fileapi/sandbox_file_system_backend_delegate_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/sandbox_file_system_backend_delegate.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/file_util.h"
   9 #include "base/files/scoped_temp_dir.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/message_loop/message_loop.h"
  12 #include "base/message_loop/message_loop_proxy.h"
  13 #include "content/public/test/test_file_system_options.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "url/gurl.h"
  16 #include "webkit/browser/fileapi/file_system_url.h"
  17
  18 using fileapi::FileSystemURL;
  19
  20 namespace content {
  21
  22 namespace {
  23
  24 FileSystemURL CreateFileSystemURL(const char* path) {
  25   const GURL kOrigin("http://foo/");
  26   return fileapi::FileSystemURL::CreateForTest(
  27       kOrigin, fileapi::kFileSystemTypeTemporary,
  28       base::FilePath::FromUTF8Unsafe(path));
  29 }
  30
  31 }  // namespace
  32
  33 class SandboxFileSystemBackendDelegateTest : public testing::Test {
  34  protected:
  35   virtual void SetUp() {
  36     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
  37     delegate_.reset(new fileapi::SandboxFileSystemBackendDelegate(
  38         NULL /* quota_manager_proxy */,
  39         base::MessageLoopProxy::current().get(),
  40         data_dir_.path(),
  41         NULL /* special_storage_policy */,
  42         CreateAllowFileAccessOptions()));
  43   }
  44
  45   bool IsAccessValid(const FileSystemURL& url) const {
  46     return delegate_->IsAccessValid(url);
  47   }
  48
  49   base::ScopedTempDir data_dir_;
  50   base::MessageLoop message_loop_;
  51   scoped_ptr<fileapi::SandboxFileSystemBackendDelegate> delegate_;
  52 };
  53
  54 TEST_F(SandboxFileSystemBackendDelegateTest, IsAccessValid) {
  55   // Normal case.
  56   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL("a")));
  57
  58   // Access to a path with parent references ('..') should be disallowed.
  59   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL("a/../b")));
  60
  61   // Access from non-allowed scheme should be disallowed.
  62   EXPECT_FALSE(IsAccessValid(
  63       FileSystemURL::CreateForTest(
  64           GURL("unknown://bar"), fileapi::kFileSystemTypeTemporary,
  65           base::FilePath::FromUTF8Unsafe("foo"))));
  66
  67   // Access with restricted name should be disallowed.
  68   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL(".")));
  69   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL("..")));
  70
  71   // This is also disallowed due to Windows XP parent path handling.
  72   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL("...")));
  73
  74   // These are identified as unsafe cases due to weird path handling
  75   // on Windows.
  76   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL(" ..")));
  77   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL(".. ")));
  78
  79   // Similar but safe cases.
  80   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(" .")));
  81   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(". ")));
  82   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL("b.")));
  83   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(".b")));
  84
  85   // A path that looks like a drive letter.
  86   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL("c:")));
  87 }
  88
  89 }  // namespace content