cache_util_posix.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved.
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file.
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/disk_cache/cache_util.h"
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/file_util.h"
85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h"
95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/string_util.h"
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace disk_cache {
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool MoveCache(const FilePath& from_path, const FilePath& to_path) {
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_CHROMEOS)
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // For ChromeOS, we don't actually want to rename the cache
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // directory, because if we do, then it'll get recreated through the
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // encrypted filesystem (with encrypted names), and we won't be able
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // to see these directories anymore in an unmounted encrypted
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // filesystem, so we just move each item in the cache to a new
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // directory.
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  if (!file_util::CreateDirectory(to_path)) {
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    LOG(ERROR) << "Unable to create destination cache directory.";
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    return false;
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  }
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  file_util::FileEnumerator iter(from_path, false /* not recursive */,
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      file_util::FileEnumerator::DIRECTORIES |
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      file_util::FileEnumerator::FILES);
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  for (FilePath name = iter.Next(); !name.value().empty(); name = iter.Next()) {
295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    FilePath destination = to_path.Append(name.BaseName());
305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    if (!file_util::Move(name, destination)) {
315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      LOG(ERROR) << "Unable to move cache item.";
325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      return false;
335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    }
345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  }
355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return true;
365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else
375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return file_util::Move(from_path, to_path);
385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif
395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DeleteCache(const FilePath& path, bool remove_folder) {
425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  file_util::FileEnumerator iter(path,
435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                                 /* recursive */ false,
445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                                 file_util::FileEnumerator::FILES);
455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  for (FilePath file = iter.Next(); !file.value().empty(); file = iter.Next()) {
465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    if (!file_util::Delete(file, /* recursive */ false)) {
475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      LOG(WARNING) << "Unable to delete cache.";
485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      return;
495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    }
505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  }
515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  if (remove_folder) {
535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    if (!file_util::Delete(path, /* recursive */ false)) {
545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      LOG(WARNING) << "Unable to delete cache folder.";
555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      return;
565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    }
575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  }
585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool DeleteCacheFile(const FilePath& name) {
615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return file_util::Delete(name, false);
625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace disk_cache
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