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/files/file_enumerator.h"
   9 #include "base/logging.h"
  10 #include "base/strings/string_util.h"
  11
  12 namespace disk_cache {
  13
  14 bool MoveCache(const base::FilePath& from_path, const base::FilePath& to_path) {
  15 #if defined(OS_CHROMEOS)
  16   // For ChromeOS, we don't actually want to rename the cache
  17   // directory, because if we do, then it'll get recreated through the
  18   // encrypted filesystem (with encrypted names), and we won't be able
  19   // to see these directories anymore in an unmounted encrypted
  20   // filesystem, so we just move each item in the cache to a new
  21   // directory.
  22   if (!base::CreateDirectory(to_path)) {
  23     LOG(ERROR) << "Unable to create destination cache directory.";
  24     return false;
  25   }
  26   base::FileEnumerator iter(from_path, false /* not recursive */,
  27       base::FileEnumerator::DIRECTORIES | base::FileEnumerator::FILES);
  28   for (base::FilePath name = iter.Next(); !name.value().empty();
  29        name = iter.Next()) {
  30     base::FilePath destination = to_path.Append(name.BaseName());
  31     if (!base::Move(name, destination)) {
  32       LOG(ERROR) << "Unable to move cache item.";
  33       return false;
  34     }
  35   }
  36   return true;
  37 #else
  38   return base::Move(from_path, to_path);
  39 #endif
  40 }
  41
  42 bool DeleteCacheFile(const base::FilePath& name) {
  43   return base::DeleteFile(name, false);
  44 }
  45
  46 }  // namespace disk_cache