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/*
* Copyright © 2017 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Ted Gould <ted.gould@canonical.com>
*/
#include "app-store-legacy.h"
#include "application-impl-legacy.h"
#include "string-util.h"
#include <regex>
namespace ubuntu
{
namespace app_launch
{
namespace app_store
{
Legacy::Legacy()
{
}
Legacy::~Legacy()
{
}
/** Checks the AppID by ensuring the version and package are empty
then looks for the application.
\param appid AppID to check
\param registry persistent connections to use
*/
bool Legacy::hasAppId(const AppID& appid, const std::shared_ptr<Registry>& registry)
{
try
{
if (!appid.version.value().empty())
{
return false;
}
return verifyAppname(appid.package, appid.appname, registry);
}
catch (std::runtime_error& e)
{
return false;
}
}
/** Ensure the package is empty
\param package Container name
\param registry persistent connections to use
*/
bool Legacy::verifyPackage(const AppID::Package& package, const std::shared_ptr<Registry>& registry)
{
return package.value().empty();
}
/** Looks for an application by looking through the system and user
application directories to find the desktop file.
\param package Container name
\param appname Application name to look for
\param registry persistent connections to use
*/
bool Legacy::verifyAppname(const AppID::Package& package,
const AppID::AppName& appname,
const std::shared_ptr<Registry>& registry)
{
if (!verifyPackage(package, registry))
{
throw std::runtime_error{"Invalid Legacy package: " + std::string(package)};
}
auto desktop = std::string(appname) + ".desktop";
auto evaldir = [&desktop](const gchar* dir) {
auto fulldir = unique_gchar(g_build_filename(dir, "applications", desktop.c_str(), nullptr));
gboolean found = g_file_test(fulldir.get(), G_FILE_TEST_EXISTS);
return found == TRUE;
};
if (evaldir(g_get_user_data_dir()))
{
return true;
}
auto&& data_dirs = g_get_system_data_dirs();
for (int i = 0; data_dirs[i] != nullptr; i++)
{
if (evaldir(data_dirs[i]))
{
return true;
}
}
return false;
}
/** We don't really have a way to implement this for Legacy, any
search wouldn't really make sense. We just throw an error.
\param package Container name
\param card Application search paths
\param registry persistent connections to use
*/
AppID::AppName Legacy::findAppname(const AppID::Package& package,
AppID::ApplicationWildcard card,
const std::shared_ptr<Registry>& registry)
{
throw std::runtime_error("Legacy apps can't be discovered by package");
}
/** Function to return an empty string
\param package Container name (unused)
\param appname Application name (unused)
\param registry persistent connections to use (unused)
*/
AppID::Version Legacy::findVersion(const AppID::Package& package,
const AppID::AppName& appname,
const std::shared_ptr<Registry>& registry)
{
return AppID::Version::from_raw({});
}
static const std::regex desktop_remover("^(.*)\\.desktop$");
std::list<std::shared_ptr<Application>> Legacy::list(const std::shared_ptr<Registry>& registry)
{
std::list<std::shared_ptr<Application>> list;
std::unique_ptr<GList, decltype(&g_list_free)> head(g_app_info_get_all(),
[](GList* l) { g_list_free_full(l, g_object_unref); });
for (GList* item = head.get(); item != nullptr; item = g_list_next(item))
{
GDesktopAppInfo* appinfo = G_DESKTOP_APP_INFO(item->data);
if (appinfo == nullptr)
{
continue;
}
if (g_app_info_should_show(G_APP_INFO(appinfo)) == FALSE)
{
continue;
}
auto desktopappid = std::string(g_app_info_get_id(G_APP_INFO(appinfo)));
std::string appname;
std::smatch match;
if (std::regex_match(desktopappid, match, desktop_remover))
{
appname = match[1].str();
}
else
{
continue;
}
/* Remove entries generated by the desktop hook in .local */
if (g_desktop_app_info_has_key(appinfo, "X-Ubuntu-Application-ID"))
{
continue;
}
try
{
auto app = std::make_shared<app_impls::Legacy>(AppID::AppName::from_raw(appname), registry);
list.push_back(app);
}
catch (std::runtime_error& e)
{
g_debug("Unable to create application for legacy appname '%s': %s", appname.c_str(), e.what());
}
}
return list;
}
std::shared_ptr<app_impls::Base> Legacy::create(const AppID& appid, const std::shared_ptr<Registry>& registry)
{
return std::make_shared<app_impls::Legacy>(appid.appname, registry);
}
} // namespace app_store
} // namespace app_launch
} // namespace ubuntu
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