// Copyright 2020 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/ash/file_manager/app_service_file_tasks.h"
#include <memory>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
#include "ash/constants/ash_features.h"
#include "ash/webui/file_manager/url_constants.h"
#include "base/feature_list.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/logging.h"
#include "base/ranges/algorithm.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_restrictions.h"
#include "chrome/browser/apps/app_service/app_icon_source.h"
#include "chrome/browser/apps/app_service/app_service_proxy.h"
#include "chrome/browser/apps/app_service/app_service_proxy_factory.h"
#include "chrome/browser/apps/app_service/launch_result_type.h"
#include "chrome/browser/apps/app_service/launch_utils.h"
#include "chrome/browser/apps/app_service/policy_util.h"
#include "chrome/browser/ash/crostini/crostini_features.h"
#include "chrome/browser/ash/file_manager/app_id.h"
#include "chrome/browser/ash/file_manager/file_tasks.h"
#include "chrome/browser/ash/file_manager/fileapi_util.h"
#include "chrome/browser/ash/file_manager/filesystem_api_util.h"
#include "chrome/browser/ash/file_manager/office_file_tasks.h"
#include "chrome/browser/ash/file_manager/path_util.h"
#include "chrome/browser/ash/file_manager/virtual_file_tasks.h"
#include "chrome/browser/ash/fusebox/fusebox_server.h"
#include "chrome/browser/chromeos/upload_office_to_cloud/upload_office_to_cloud.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/webui/ash/cloud_upload/hats_office_trigger.h"
#include "chrome/browser/web_applications/os_integration/os_integration_manager.h"
#include "chrome/browser/web_applications/web_app_id_constants.h"
#include "chrome/browser/web_applications/web_app_provider.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/extensions/api/file_manager_private.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
#include "components/services/app_service/public/cpp/app_launch_util.h"
#include "components/services/app_service/public/cpp/app_types.h"
#include "components/services/app_service/public/cpp/intent.h"
#include "components/services/app_service/public/cpp/intent_util.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/entry_info.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_util.h"
#include "storage/browser/file_system/file_system_context.h"
#include "storage/browser/file_system/file_system_url.h"
#include "url/gurl.h"
namespace file_manager::file_tasks {
extensions::api::file_manager_private::TaskResult
ConvertLaunchResultToTaskResult(const apps::LaunchResult& result,
TaskType task_type) {
// TODO(benwells): return the correct code here, depending
// on how the app will be opened in multiprofile.
namespace fmp = extensions::api::file_manager_private;
switch (result.state) {
case apps::State::kSuccess:
if (task_type == TASK_TYPE_WEB_APP) {
return fmp::TaskResult::kOpened;
} else {
return fmp::TaskResult::kMessageSent;
}
case apps::State::kFailedDirectoryNotShared:
DCHECK(task_type == TASK_TYPE_PLUGIN_VM_APP);
return fmp::TaskResult::kFailedPluginVmDirectoryNotShared;
case apps::State::kFailed:
return fmp::TaskResult::kFailed;
}
}
namespace {
TaskType GetTaskType(apps::AppType app_type) {
switch (app_type) {
case apps::AppType::kArc:
return TASK_TYPE_ARC_APP;
case apps::AppType::kWeb:
case apps::AppType::kSystemWeb:
return TASK_TYPE_WEB_APP;
case apps::AppType::kChromeApp:
case apps::AppType::kExtension:
case apps::AppType::kStandaloneBrowserChromeApp:
case apps::AppType::kStandaloneBrowserExtension:
// Chrome apps and Extensions both get called file_handler, even though
// extensions really have file_browser_handler. It doesn't matter anymore
// because both are executed through App Service, which can tell the
// difference itself.
return TASK_TYPE_FILE_HANDLER;
case apps::AppType::kBruschetta:
return TASK_TYPE_BRUSCHETTA_APP;
case apps::AppType::kCrostini:
return TASK_TYPE_CROSTINI_APP;
case apps::AppType::kPluginVm:
return TASK_TYPE_PLUGIN_VM_APP;
case apps::AppType::kUnknown:
case apps::AppType::kBuiltIn:
case apps::AppType::kStandaloneBrowser:
case apps::AppType::kRemote:
case apps::AppType::kBorealis:
return TASK_TYPE_UNKNOWN;
}
}
const char kImportCrostiniImageHandlerId[] =
"chrome://file-manager/?import-crostini-image";
const char kInstallLinuxPackageHandlerId[] =
"chrome://file-manager/?install-linux-package";
} // namespace
bool FileHandlerIsEnabled(Profile* profile,
const std::string& app_id,
const std::string& file_handler_id) {
if (app_id != kFileManagerSwaAppId) {
return true;
}
// Crostini deb files and backup files can be disabled by policy.
if (file_handler_id == kInstallLinuxPackageHandlerId) {
return crostini::CrostiniFeatures::Get()->IsRootAccessAllowed(profile);
}
if (file_handler_id == kImportCrostiniImageHandlerId) {
return crostini::CrostiniFeatures::Get()->IsExportImportUIAllowed(profile);
}
return true;
}
// Check if the file URLs can be mapped to a path inside VMs for
// GuestOS apps to access.
bool FilesCanBeSharedToVm(Profile* profile, std::vector<GURL> file_urls) {
storage::FileSystemContext* file_system_context =
util::GetFileManagerFileSystemContext(profile);
base::FilePath placeholder_vm_mount("/");
base::FilePath not_used;
for (const GURL& file_url : file_urls) {
if (!file_manager::util::ConvertFileSystemURLToPathInsideVM(
profile, file_system_context->CrackURLInFirstPartyContext(file_url),
placeholder_vm_mount,
/*map_crostini_home=*/false, ¬_used)) {
return false;
}
}
return true;
}
Profile* GetProfileWithAppService(Profile* profile) {
if (apps::AppServiceProxyFactory::IsAppServiceAvailableForProfile(profile)) {
return profile;
} else {
if (profile->IsOffTheRecord()) {
return profile->GetOriginalProfile();
} else {
LOG(WARNING) << "Unexpected profile type";
return nullptr;
}
}
}
GURL GetRealOrFuseboxGURL(Profile* profile,
const storage::FileSystemURL& file_system_url,
bool use_fusebox_for_non_real_file_paths) {
fusebox::Server* server = fusebox::Server::GetInstance();
if (!use_fusebox_for_non_real_file_paths || !server ||
file_system_url.TypeImpliesPathIsReal()) {
return file_system_url.ToGURL();
}
base::FilePath path = server->InverseResolveFSURL(file_system_url);
if (path.empty()) {
return GURL();
}
GURL url;
if (!util::ConvertAbsoluteFilePathToFileSystemUrl(
profile, path, util::GetFileManagerURL(), &url)) {
return GURL();
}
return url;
}
// True if |app_id| and |action_id| represent a task which opens the file by
// getting the URL for a file rather than by opening the local contents of the
// file.
bool IsFilesAppUrlOpener(const std::string& app_id,
const std::string& action_id) {
if (app_id != kFileManagerSwaAppId) {
return false;
}
return action_id == ToSwaActionId(kActionIdOpenInOffice) ||
action_id == ToSwaActionId(kActionIdWebDriveOfficeWord) ||
action_id == ToSwaActionId(kActionIdWebDriveOfficeExcel) ||
action_id == ToSwaActionId(kActionIdWebDriveOfficePowerPoint);
}
bool IsSystemAppIdWithFileHandlers(std::string_view id) {
return id == web_app::kMediaAppId;
}
void FindAppServiceTasks(Profile* profile,
const std::vector<extensions::EntryInfo>& entries,
const std::vector<GURL>& file_urls,
const std::vector<std::string>& dlp_source_urls,
std::vector<FullTaskDescriptor>* result_list) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK_EQ(entries.size(), file_urls.size());
// App Service uses the file extension in the URL for file_handlers for Web
// Apps.
#if DCHECK_IS_ON()
for (const GURL& url : file_urls) {
DCHECK(url.is_valid());
}
#endif // DCHECK_IS_ON()
// App Service doesn't exist in Incognito mode but we still want to find
// handlers to open a download from its notification from Incognito mode. Use
// the base profile in these cases (see crbug.com/1111695).
Profile* profile_with_app_service = GetProfileWithAppService(profile);
if (!profile_with_app_service) {
LOG(WARNING) << "Unexpected profile type";
return;
}
apps::AppServiceProxy* proxy =
apps::AppServiceProxyFactory::GetForProfile(profile_with_app_service);
bool files_shareable_to_vm =
FilesCanBeSharedToVm(profile_with_app_service, file_urls);
std::vector<apps::IntentFilePtr> intent_files;
intent_files.reserve(entries.size());
for (size_t i = 0; i < entries.size(); i++) {
auto file = std::make_unique<apps::IntentFile>(file_urls.at(i));
file->mime_type = entries[i].mime_type;
file->is_directory = entries[i].is_directory;
file->dlp_source_url = dlp_source_urls[i];
intent_files.push_back(std::move(file));
}
std::vector<apps::IntentLaunchInfo> intent_launch_info =
proxy->GetAppsForFiles(std::move(intent_files));
std::vector<apps::AppType> supported_app_types = {
apps::AppType::kArc,
apps::AppType::kWeb,
apps::AppType::kSystemWeb,
apps::AppType::kChromeApp,
apps::AppType::kExtension,
apps::AppType::kStandaloneBrowserChromeApp,
apps::AppType::kStandaloneBrowserExtension,
apps::AppType::kBruschetta,
apps::AppType::kCrostini,
apps::AppType::kPluginVm,
};
for (auto& launch_entry : intent_launch_info) {
auto app_type = proxy->AppRegistryCache().GetAppType(launch_entry.app_id);
if (!base::Contains(supported_app_types, app_type)) {
continue;
}
if (app_type == apps::AppType::kWeb ||
app_type == apps::AppType::kSystemWeb) {
// Check the origin trial and feature flag for file handling in web apps.
// TODO(1240018): Remove when this feature is fully launched. This check
// will not work for lacros web apps.
web_app::WebAppProvider* provider =
web_app::WebAppProvider::GetDeprecated(profile_with_app_service);
web_app::OsIntegrationManager& os_integration_manager =
provider->os_integration_manager();
if (!os_integration_manager.IsFileHandlingAPIAvailable(
launch_entry.app_id)) {
continue;
}
}
if (app_type == apps::AppType::kChromeApp ||
app_type == apps::AppType::kExtension) {
if (profile->IsOffTheRecord() &&
!extensions::util::IsIncognitoEnabled(launch_entry.app_id, profile)) {
continue;
}
}
if ((app_type == apps::AppType::kBruschetta ||
app_type == apps::AppType::kCrostini ||
app_type == apps::AppType::kPluginVm) &&
!files_shareable_to_vm) {
continue;
}
if (!FileHandlerIsEnabled(profile_with_app_service, launch_entry.app_id,
launch_entry.activity_name)) {
continue;
}
constexpr int kIconSize = 32;
GURL icon_url =
apps::AppIconSource::GetIconURL(launch_entry.app_id, kIconSize);
result_list->push_back(FullTaskDescriptor(
TaskDescriptor(launch_entry.app_id, GetTaskType(app_type),
launch_entry.activity_name),
launch_entry.activity_label, icon_url,
/* is_default=*/false,
// TODO(petermarshall): Handle the rest of the logic from FindWebTasks()
// e.g. prioritise non-generic handlers.
/* is_generic_file_handler=*/launch_entry.is_generic_file_handler,
/* is_file_extension_match=*/launch_entry.is_file_extension_match,
/* is_dlp_blocked=*/launch_entry.is_dlp_blocked));
}
}
void ExecuteAppServiceTask(
Profile* profile,
const TaskDescriptor& task,
const std::vector<storage::FileSystemURL>& file_system_urls,
const std::vector<std::string>& mime_types,
FileTaskFinishedCallback done) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK_EQ(file_system_urls.size(), mime_types.size());
// App Service doesn't exist in Incognito mode but apps can be
// launched (ie. default handler to open a download from its
// notification) from Incognito mode. Use the base profile in these
// cases (see crbug.com/1111695).
Profile* profile_with_app_service = GetProfileWithAppService(profile);
if (!profile_with_app_service) {
std::move(done).Run(
extensions::api::file_manager_private::TaskResult::kFailed,
"Unexpected profile type");
return;
}
apps::AppServiceProxy* app_service_proxy =
apps::AppServiceProxyFactory::GetForProfile(profile_with_app_service);
auto app_type = app_service_proxy->AppRegistryCache().GetAppType(task.app_id);
// In general, WebApps only have full support for files backed by inodes, so
// substitute Fusebox files for any "non-real" file paths. However, the Media
// app and other SWAs can handle "non-real" files, as can special tasks which
// only access the file via URL. See https://crbug.com/1079065
bool use_fusebox_for_non_real_file_paths = false;
if (app_type == apps::AppType::kWeb ||
app_type == apps::AppType::kSystemWeb) {
use_fusebox_for_non_real_file_paths =
!(IsSystemAppIdWithFileHandlers(task.app_id) ||
IsFilesAppUrlOpener(task.app_id, task.action_id));
}
std::vector<apps::IntentFilePtr> intent_files;
intent_files.reserve(file_system_urls.size());
for (size_t i = 0; i < file_system_urls.size(); i++) {
GURL file_url =
GetRealOrFuseboxGURL(profile_with_app_service, file_system_urls[i],
use_fusebox_for_non_real_file_paths);
if (!file_url.is_valid()) {
continue;
}
auto file = std::make_unique<apps::IntentFile>(file_url);
file->mime_type = mime_types.at(i);
intent_files.push_back(std::move(file));
}
DCHECK(task.task_type == TASK_TYPE_WEB_APP ||
task.task_type == TASK_TYPE_FILE_HANDLER ||
task.task_type == TASK_TYPE_BRUSCHETTA_APP ||
task.task_type == TASK_TYPE_CROSTINI_APP ||
task.task_type == TASK_TYPE_PLUGIN_VM_APP ||
task.task_type == TASK_TYPE_ARC_APP);
apps::IntentPtr intent = std::make_unique<apps::Intent>(
apps_util::kIntentActionView, std::move(intent_files));
intent->activity_name = task.action_id;
if (base::FeatureList::IsEnabled(::features::kHappinessTrackingOffice) &&
task.app_id == extension_misc::kQuickOfficeComponentExtensionId &&
task.action_id == kActionIdQuickOffice) {
auto survey_launching_app =
chromeos::IsEligibleAndEnabledUploadOfficeToCloud(profile)
? ash::cloud_upload::HatsOfficeLaunchingApp::kQuickOffice
: ash::cloud_upload::HatsOfficeLaunchingApp::kQuickOfficeClippyOff;
ash::cloud_upload::HatsOfficeTrigger::Get().ShowSurveyAfterDelay(
survey_launching_app);
}
// `window_info` as nullptr sets `display_id` to `display::kInvalidDisplayId`
// later, which is the default value. `display::kDefaultDisplayId` is not. The
// default value allows a window on any display to be reused, i.e. a wildcard.
app_service_proxy->LaunchAppWithIntent(
task.app_id, ui::EF_NONE, std::move(intent),
apps::LaunchSource::kFromFileManager,
/*window_info=*/nullptr,
base::BindOnce(
[](FileTaskFinishedCallback done, TaskType task_type,
apps::LaunchResult&& result) {
std::move(done).Run(
ConvertLaunchResultToTaskResult(result, task_type), "");
},
std::move(done), task.task_type));
}
bool ChooseAndSetDefaultTaskFromPolicyPrefs(
Profile* profile,
const std::vector<extensions::EntryInfo>& entries,
ResultingTasks* resulting_tasks) {
const auto& policy_default_handlers =
profile->GetPrefs()->GetDict(prefs::kDefaultHandlersForFileExtensions);
// Check that there are no conflicting assignments for the given set of
// entries.
base::flat_set<std::string> default_handlers_for_entries;
for (const auto& entry : entries) {
if (auto* policy_default_handler =
policy_default_handlers.FindString(entry.path.Extension())) {
default_handlers_for_entries.insert(*policy_default_handler);
}
}
// If there are no policy-set handlers, we fallback to the regular flow.
if (default_handlers_for_entries.empty()) {
return false;
}
// Conflicting assignment! No default should be set.
if (default_handlers_for_entries.size() > 1) {
resulting_tasks->policy_default_handler_status =
PolicyDefaultHandlerStatus::kIncorrectAssignment;
return true;
}
DCHECK_EQ(default_handlers_for_entries.size(), 1U);
const auto& policy_id = *default_handlers_for_entries.begin();
std::vector<FullTaskDescriptor*> filtered_tasks;
// `app_id` matching is not necessary if the policy points to a virtual task.
if (std::optional<std::string_view> virtual_task_id =
apps_util::GetVirtualTaskIdFromPolicyId(policy_id)) {
std::string full_virtual_task_id = ToSwaActionId(*virtual_task_id);
for (auto& task : resulting_tasks->tasks) {
if (IsVirtualTask(task.task_descriptor) &&
task.task_descriptor.action_id == full_virtual_task_id) {
filtered_tasks.push_back(&task);
}
}
} else {
std::vector<std::string> app_ids =
apps_util::GetAppIdsFromPolicyId(profile, policy_id);
for (auto& task : resulting_tasks->tasks) {
const auto& td = task.task_descriptor;
if (base::Contains(app_ids, td.app_id)) {
filtered_tasks.push_back(&task);
}
}
}
// If there are no tasks found, we resort to the standard flow to not ruin the
// user journey.
if (filtered_tasks.size() == 1) {
filtered_tasks.front()->is_default = true;
resulting_tasks->policy_default_handler_status =
PolicyDefaultHandlerStatus::kDefaultHandlerAssignedByPolicy;
return true;
}
return false;
}
} // namespace file_manager::file_tasks
Codebase Browser
chromium