chrome/browser/chromeos/fileapi/external_file_url_util.cc

   1 // Copyright 2014 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 "chrome/browser/chromeos/fileapi/external_file_url_util.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/strings/string_util.h"
  11 #include "base/strings/stringprintf.h"
  12 #include "chrome/browser/chromeos/file_manager/app_id.h"
  13 #include "chrome/browser/chromeos/file_manager/fileapi_util.h"
  14 #include "chrome/browser/extensions/extension_util.h"
  15 #include "chrome/browser/profiles/profile.h"
  16 #include "content/public/browser/browser_context.h"
  17 #include "content/public/browser/browser_thread.h"
  18 #include "content/public/browser/storage_partition.h"
  19 #include "content/public/common/url_constants.h"
  20 #include "net/base/escape.h"
  21 #include "storage/browser/fileapi/file_system_url.h"
  22
  23 using content::BrowserThread;
  24
  25 namespace chromeos {
  26
  27 bool IsExternalFileURLType(storage::FileSystemType type) {
  28   return type == storage::kFileSystemTypeDrive ||
  29          type == storage::kFileSystemTypeDeviceMediaAsFileStorage ||
  30          type == storage::kFileSystemTypeProvided;
  31 }
  32
  33 GURL FileSystemURLToExternalFileURL(
  34     const storage::FileSystemURL& file_system_url) {
  35   if (file_system_url.mount_type() != storage::kFileSystemTypeExternal ||
  36       !IsExternalFileURLType(file_system_url.type())) {
  37     return GURL();
  38   }
  39
  40   return GURL(base::StringPrintf(
  41       "%s:%s",
  42       content::kExternalFileScheme,
  43       file_system_url.virtual_path().AsUTF8Unsafe().c_str()));
  44 }
  45
  46 base::FilePath ExternalFileURLToVirtualPath(const GURL& url) {
  47   if (!url.is_valid() || url.scheme() != content::kExternalFileScheme)
  48     return base::FilePath();
  49   const std::string path_string =
  50       net::UnescapeURLComponent(url.GetContent(), net::UnescapeRule::NORMAL);
  51   return base::FilePath::FromUTF8Unsafe(path_string);
  52 }
  53
  54 GURL CreateExternalFileURLFromPath(Profile* profile,
  55                                    const base::FilePath& path) {
  56   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  57
  58   GURL raw_file_system_url;
  59   if (!file_manager::util::ConvertAbsoluteFilePathToFileSystemUrl(
  60           profile,
  61           path,
  62           file_manager::kFileManagerAppId,
  63           &raw_file_system_url)) {
  64     return GURL();
  65   }
  66
  67   const storage::FileSystemURL file_system_url =
  68       file_manager::util::GetFileSystemContextForExtensionId(
  69           profile, file_manager::kFileManagerAppId)
  70           ->CrackURL(raw_file_system_url);
  71   if (!file_system_url.is_valid())
  72     return GURL();
  73
  74   return FileSystemURLToExternalFileURL(file_system_url);
  75 }
  76
  77 }  // namespace chromeos