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 "chrome/common/url_constants.h"
17#include "content/public/browser/browser_context.h"
18#include "content/public/browser/browser_thread.h"
19#include "content/public/browser/storage_partition.h"
20#include "net/base/escape.h"
21#include "storage/browser/fileapi/file_system_url.h"
22
23using content::BrowserThread;
24
25namespace chromeos {
26
27GURL FileSystemURLToExternalFileURL(
28    const storage::FileSystemURL& file_system_url) {
29  if (file_system_url.mount_type() != storage::kFileSystemTypeExternal)
30    return GURL();
31
32  switch (file_system_url.type()) {
33    case storage::kFileSystemTypeDrive:
34    case storage::kFileSystemTypeDeviceMediaAsFileStorage:
35    case storage::kFileSystemTypeProvided:
36      return GURL(base::StringPrintf(
37          "%s:%s",
38          chrome::kExternalFileScheme,
39          file_system_url.virtual_path().AsUTF8Unsafe().c_str()));
40
41    default:
42      return GURL();
43  }
44}
45
46base::FilePath ExternalFileURLToVirtualPath(const GURL& url) {
47  if (!url.is_valid() || url.scheme() != chrome::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
54GURL 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
78