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
11 namespace disk_cache {
12
MoveCache(const FilePath & from_path,const FilePath & to_path)13 bool 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
DeleteCache(const FilePath & path,bool remove_folder)44 void 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
DeleteCacheFile(const FilePath & name)63 bool DeleteCacheFile(const FilePath& name) {
64 return file_util::Delete(name, false);
65 }
66
67 } // namespace disk_cache
68