1// Copyright (c) 2006-2008 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 "net/disk_cache/cache_util.h"
6
7#include "base/file_util.h"
8#include "base/logging.h"
9#include "base/string_util.h"
10
11namespace disk_cache {
12
13bool MoveCache(const FilePath& from_path, const FilePath& to_path) {
14#if defined(OS_CHROMEOS)
15  // For ChromeOS, we don't actually want to rename the cache
16  // directory, because if we do, then it'll get recreated through the
17  // encrypted filesystem (with encrypted names), and we won't be able
18  // to see these directories anymore in an unmounted encrypted
19  // filesystem, so we just move each item in the cache to a new
20  // directory.
21  if (!file_util::CreateDirectory(to_path)) {
22    LOG(ERROR) << "Unable to create destination cache directory.";
23    return false;
24  }
25  file_util::FileEnumerator iter(
26      from_path,
27      /* recursive */ false,
28      static_cast<file_util::FileEnumerator::FILE_TYPE>(
29          file_util::FileEnumerator::DIRECTORIES |
30          file_util::FileEnumerator::FILES));
31  for (FilePath name = iter.Next(); !name.value().empty(); name = iter.Next()) {
32    FilePath destination = to_path.Append(name.BaseName());
33    if (!file_util::Move(name, destination)) {
34      LOG(ERROR) << "Unable to move cache item.";
35      return false;
36    }
37  }
38  return true;
39#else
40  return file_util::Move(from_path, to_path);
41#endif
42}
43
44void DeleteCache(const FilePath& path, bool remove_folder) {
45  file_util::FileEnumerator iter(path,
46                                 /* recursive */ false,
47                                 file_util::FileEnumerator::FILES);
48  for (FilePath file = iter.Next(); !file.value().empty(); file = iter.Next()) {
49    if (!file_util::Delete(file, /* recursive */ false)) {
50      LOG(WARNING) << "Unable to delete cache.";
51      return;
52    }
53  }
54
55  if (remove_folder) {
56    if (!file_util::Delete(path, /* recursive */ false)) {
57      LOG(WARNING) << "Unable to delete cache folder.";
58      return;
59    }
60  }
61}
62
63bool DeleteCacheFile(const FilePath& name) {
64  return file_util::Delete(name, false);
65}
66
67}  // namespace disk_cache
68