net/disk_cache/cache_util_posix.cc

   1 // Copyright (c) 2011 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
  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(from_path, false /* not recursive */,
  26       file_util::FileEnumerator::DIRECTORIES |
  27       file_util::FileEnumerator::FILES);
  28   for (FilePath name = iter.Next(); !name.value().empty(); name = iter.Next()) {
  29     FilePath destination = to_path.Append(name.BaseName());
  30     if (!file_util::Move(name, destination)) {
  31       LOG(ERROR) << "Unable to move cache item.";
  32       return false;
  33     }
  34   }
  35   return true;
  36 #else
  37   return file_util::Move(from_path, to_path);
  38 #endif
  39 }
  40
  41 void DeleteCache(const FilePath& path, bool remove_folder) {
  42   file_util::FileEnumerator iter(path,
  43                                  /* recursive */ false,
  44                                  file_util::FileEnumerator::FILES);
  45   for (FilePath file = iter.Next(); !file.value().empty(); file = iter.Next()) {
  46     if (!file_util::Delete(file, /* recursive */ false)) {
  47       LOG(WARNING) << "Unable to delete cache.";
  48       return;
  49     }
  50   }
  51
  52   if (remove_folder) {
  53     if (!file_util::Delete(path, /* recursive */ false)) {
  54       LOG(WARNING) << "Unable to delete cache folder.";
  55       return;
  56     }
  57   }
  58 }
  59
  60 bool DeleteCacheFile(const FilePath& name) {
  61   return file_util::Delete(name, false);
  62 }
  63
  64 }  // namespace disk_cache