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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "storage/browser/fileapi/sandbox_file_system_backend_delegate.h"
#include "base/basictypes.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/memory/scoped_ptr.h"
#include "base/thread_task_runner_handle.h"
#include "content/public/test/test_file_system_options.h"
#include "storage/browser/fileapi/file_system_url.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
using storage::FileSystemURL;
namespace content {
namespace {
FileSystemURL CreateFileSystemURL(const char* path) {
const GURL kOrigin("http://foo/");
return storage::FileSystemURL::CreateForTest(
kOrigin,
storage::kFileSystemTypeTemporary,
base::FilePath::FromUTF8Unsafe(path));
}
} // namespace
class SandboxFileSystemBackendDelegateTest : public testing::Test {
protected:
void SetUp() override {
ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
delegate_.reset(new storage::SandboxFileSystemBackendDelegate(
NULL /* quota_manager_proxy */,
base::ThreadTaskRunnerHandle::Get().get(), data_dir_.path(),
NULL /* special_storage_policy */, CreateAllowFileAccessOptions()));
}
bool IsAccessValid(const FileSystemURL& url) const {
return delegate_->IsAccessValid(url);
}
base::ScopedTempDir data_dir_;
base::MessageLoop message_loop_;
scoped_ptr<storage::SandboxFileSystemBackendDelegate> delegate_;
};
TEST_F(SandboxFileSystemBackendDelegateTest, IsAccessValid) {
// Normal case.
EXPECT_TRUE(IsAccessValid(CreateFileSystemURL("a")));
// Access to a path with parent references ('..') should be disallowed.
EXPECT_FALSE(IsAccessValid(CreateFileSystemURL("a/../b")));
// Access from non-allowed scheme should be disallowed.
EXPECT_FALSE(IsAccessValid(
FileSystemURL::CreateForTest(GURL("unknown://bar"),
storage::kFileSystemTypeTemporary,
base::FilePath::FromUTF8Unsafe("foo"))));
// Access with restricted name should be disallowed.
EXPECT_FALSE(IsAccessValid(CreateFileSystemURL(".")));
EXPECT_FALSE(IsAccessValid(CreateFileSystemURL("..")));
// This is also disallowed due to Windows XP parent path handling.
EXPECT_FALSE(IsAccessValid(CreateFileSystemURL("...")));
// These are identified as unsafe cases due to weird path handling
// on Windows.
EXPECT_FALSE(IsAccessValid(CreateFileSystemURL(" ..")));
EXPECT_FALSE(IsAccessValid(CreateFileSystemURL(".. ")));
// Similar but safe cases.
EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(" .")));
EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(". ")));
EXPECT_TRUE(IsAccessValid(CreateFileSystemURL("b.")));
EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(".b")));
// A path that looks like a drive letter.
EXPECT_TRUE(IsAccessValid(CreateFileSystemURL("c:")));
}
} // namespace content
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