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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h"
#include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
#include "chrome/browser/chromeos/file_system_provider/request_manager.h"
#include "chrome/browser/chromeos/file_system_provider/request_value.h"
#include "chrome/browser/chromeos/file_system_provider/service.h"
#include "chrome/common/extensions/api/file_system_provider_internal.h"
using chromeos::file_system_provider::ProvidedFileSystemInterface;
using chromeos::file_system_provider::RequestManager;
using chromeos::file_system_provider::RequestValue;
using chromeos::file_system_provider::Service;
namespace extensions {
const char kNotFoundErrorName[] = "NotFoundError";
const char kSecurityErrorName[] = "SecurityError";
const char kEmptyNameErrorMessage[] = "Empty display name is not allowed.";
const char kEmptyIdErrorMessage[] = "Empty file system Id s not allowed.";
const char kMountFailedErrorMessage[] = "Mounting the file system failed.";
const char kUnmountFailedErrorMessage[] = "Unmounting the file system failed.";
const char kResponseFailedErrorMessage[] =
"Sending a response for the request failed.";
base::DictionaryValue* CreateError(const std::string& name,
const std::string& message) {
base::DictionaryValue* error = new base::DictionaryValue();
error->SetString("name", name);
error->SetString("message", message);
return error;
}
base::File::Error ProviderErrorToFileError(
api::file_system_provider::ProviderError error) {
switch (error) {
case api::file_system_provider::PROVIDER_ERROR_OK:
return base::File::FILE_OK;
case api::file_system_provider::PROVIDER_ERROR_FAILED:
return base::File::FILE_ERROR_FAILED;
case api::file_system_provider::PROVIDER_ERROR_IN_USE:
return base::File::FILE_ERROR_IN_USE;
case api::file_system_provider::PROVIDER_ERROR_EXISTS:
return base::File::FILE_ERROR_EXISTS;
case api::file_system_provider::PROVIDER_ERROR_NOT_FOUND:
return base::File::FILE_ERROR_NOT_FOUND;
case api::file_system_provider::PROVIDER_ERROR_ACCESS_DENIED:
return base::File::FILE_ERROR_ACCESS_DENIED;
case api::file_system_provider::PROVIDER_ERROR_TOO_MANY_OPENED:
return base::File::FILE_ERROR_TOO_MANY_OPENED;
case api::file_system_provider::PROVIDER_ERROR_NO_MEMORY:
return base::File::FILE_ERROR_NO_MEMORY;
case api::file_system_provider::PROVIDER_ERROR_NO_SPACE:
return base::File::FILE_ERROR_NO_SPACE;
case api::file_system_provider::PROVIDER_ERROR_NOT_A_DIRECTORY:
return base::File::FILE_ERROR_NOT_A_DIRECTORY;
case api::file_system_provider::PROVIDER_ERROR_INVALID_OPERATION:
return base::File::FILE_ERROR_INVALID_OPERATION;
case api::file_system_provider::PROVIDER_ERROR_SECURITY:
return base::File::FILE_ERROR_SECURITY;
case api::file_system_provider::PROVIDER_ERROR_ABORT:
return base::File::FILE_ERROR_ABORT;
case api::file_system_provider::PROVIDER_ERROR_NOT_A_FILE:
return base::File::FILE_ERROR_NOT_A_FILE;
case api::file_system_provider::PROVIDER_ERROR_NOT_EMPTY:
return base::File::FILE_ERROR_NOT_EMPTY;
case api::file_system_provider::PROVIDER_ERROR_INVALID_URL:
return base::File::FILE_ERROR_INVALID_URL;
case api::file_system_provider::PROVIDER_ERROR_IO:
return base::File::FILE_ERROR_IO;
case api::file_system_provider::PROVIDER_ERROR_NONE:
NOTREACHED();
}
return base::File::FILE_ERROR_FAILED;
}
FileSystemProviderInternalFunction::FileSystemProviderInternalFunction()
: request_id_(0), request_manager_(NULL) {
}
void FileSystemProviderInternalFunction::RejectRequest(
base::File::Error error) {
if (!request_manager_->RejectRequest(request_id_, error))
SetErrorResponse(kSecurityErrorName, kResponseFailedErrorMessage);
}
void FileSystemProviderInternalFunction::FulfillRequest(
scoped_ptr<RequestValue> value,
bool has_more) {
if (!request_manager_->FulfillRequest(request_id_, value.Pass(), has_more))
SetErrorResponse(kSecurityErrorName, kResponseFailedErrorMessage);
}
bool FileSystemProviderInternalFunction::RunSync() {
DCHECK(args_);
if (!Parse())
return true;
SendResponse(RunWhenValid());
return true;
}
bool FileSystemProviderInternalFunction::Parse() {
std::string file_system_id;
if (!args_->GetString(0, &file_system_id) ||
!args_->GetInteger(1, &request_id_)) {
bad_message_ = true;
SendResponse(false);
return false;
}
Service* service = Service::Get(GetProfile());
if (!service) {
SendResponse(false);
return false;
}
ProvidedFileSystemInterface* file_system =
service->GetProvidedFileSystem(extension_id(), file_system_id);
if (!file_system) {
SetErrorResponse(kNotFoundErrorName, kResponseFailedErrorMessage);
SendResponse(true);
return false;
}
request_manager_ = file_system->GetRequestManager();
return true;
}
void FileSystemProviderInternalFunction::SetErrorResponse(
const std::string& name,
const std::string& message) {
base::ListValue* result = new base::ListValue();
result->Append(CreateError(name, message));
SetResult(result);
}
} // namespace extensions
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