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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/sync_file_system/syncable_file_system_util.h"
#include <vector>
#include "base/command_line.h"
#include "base/location.h"
#include "base/strings/string_util.h"
#include "base/task/single_thread_task_runner.h"
#include "storage/browser/file_system/external_mount_points.h"
#include "storage/browser/file_system/file_observers.h"
#include "storage/browser/file_system/file_system_context.h"
#include "storage/common/file_system/file_system_util.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "url/gurl.h"
#include "url/origin.h"
using storage::ExternalMountPoints;
using storage::FileSystemContext;
using storage::FileSystemURL;
namespace sync_file_system {
namespace {
const char kSyncableMountName[] = "syncfs";
const char kSyncableMountNameForInternalSync[] = "syncfs-internal";
const base::FilePath::CharType kSyncFileSystemDir[] =
FILE_PATH_LITERAL("Sync FileSystem");
} // namespace
void RegisterSyncableFileSystem() {
ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
kSyncableMountName, storage::kFileSystemTypeSyncable,
storage::FileSystemMountOption(), base::FilePath());
ExternalMountPoints::GetSystemInstance()->RegisterFileSystem(
kSyncableMountNameForInternalSync,
storage::kFileSystemTypeSyncableForInternalSync,
storage::FileSystemMountOption(), base::FilePath());
}
void RevokeSyncableFileSystem() {
ExternalMountPoints::GetSystemInstance()->RevokeFileSystem(
kSyncableMountName);
ExternalMountPoints::GetSystemInstance()->RevokeFileSystem(
kSyncableMountNameForInternalSync);
}
GURL GetSyncableFileSystemRootURI(const GURL& origin) {
return GURL(
storage::GetExternalFileSystemRootURIString(origin, kSyncableMountName));
}
FileSystemURL CreateSyncableFileSystemURL(const GURL& origin,
const base::FilePath& path) {
base::FilePath path_for_url = path;
if (storage::VirtualPath::IsAbsolute(path.value()))
path_for_url = base::FilePath(path.value().substr(1));
return ExternalMountPoints::GetSystemInstance()->CreateExternalFileSystemURL(
blink::StorageKey::CreateFirstParty(url::Origin::Create(origin)),
kSyncableMountName, path_for_url);
}
FileSystemURL CreateSyncableFileSystemURLForSync(
storage::FileSystemContext* file_system_context,
const FileSystemURL& syncable_url) {
return ExternalMountPoints::GetSystemInstance()->CreateExternalFileSystemURL(
syncable_url.storage_key(), kSyncableMountNameForInternalSync,
syncable_url.path());
}
bool SerializeSyncableFileSystemURL(const FileSystemURL& url,
std::string* serialized_url) {
if (!url.is_valid() || url.type() != storage::kFileSystemTypeSyncable)
return false;
*serialized_url = GetSyncableFileSystemRootURI(url.origin().GetURL()).spec() +
url.path().AsUTF8Unsafe();
return true;
}
bool DeserializeSyncableFileSystemURL(const std::string& serialized_url,
FileSystemURL* url) {
#if !defined(FILE_PATH_USES_WIN_SEPARATORS)
DCHECK(serialized_url.find('\\') == std::string::npos);
#endif // FILE_PATH_USES_WIN_SEPARATORS
const GURL gurl(serialized_url);
FileSystemURL deserialized =
ExternalMountPoints::GetSystemInstance()->CrackURL(
gurl, blink::StorageKey::CreateFirstParty(url::Origin::Create(gurl)));
if (!deserialized.is_valid() ||
deserialized.type() != storage::kFileSystemTypeSyncable) {
return false;
}
*url = deserialized;
return true;
}
base::FilePath GetSyncFileSystemDir(const base::FilePath& profile_base_dir) {
return profile_base_dir.Append(kSyncFileSystemDir);
}
void RunSoon(const base::Location& from_here, base::OnceClosure callback) {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
from_here, std::move(callback));
}
} // namespace sync_file_system
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