libravatarserv/src/settings.cpp

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/* This file is part of libravatarserv.
* Copyright © 2018 tastytea <tastytea@tastytea.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY 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/>.
*/
#include <cstdlib>
#include <basedir.h>
#include "libravatarserv.hpp"
using namespace settings;
bool settings::find_avatar_dir()
{
const char *envdir = std::getenv("LIBRAVATARSERV_DIR");
if (envdir == nullptr)
{
// TODO: Remove AVATAR_DIR in 1.0.0
// DEPRECATED because it is potentially used by another program
envdir = std::getenv("AVATAR_DIR");
}
if (envdir != nullptr && fs::is_directory(envdir))
{
avatar_dir = envdir;
}
else
{
xdgHandle xdg;
xdgInitHandle(&xdg);
auto data_dirs = xdgDataDirectories(&xdg);
const uint8_t size = sizeof(data_dirs) / sizeof(*data_dirs);
for (uint8_t index = 0; index <= size; ++index)
{
const string searchdir = data_dirs[index]
+ string("/libravatarserv");
if (fs::is_directory(searchdir))
{
avatar_dir = searchdir;
break;
}
}
xdgWipeHandle(&xdg);
if (avatar_dir.empty())
{
return false;
}
}
return true;
}
void settings::read_settings()
{
const char *env = std::getenv("LIBRAVATARSERV_DEFAULT_FALLBACK");
if (env != nullptr)
{
settings.default_fallback = env;
}
env = std::getenv("LIBRAVATARSERV_REDIRECT_NOFALLBACK");
if (env != nullptr && env[0] == '1')
{
settings.redirect_nofallback = true;
}
env = std::getenv("LIBRAVATARSERV_REDIRECT_NOUSER");
if (env != nullptr && env[0] == '1')
{
settings.redirect_nouser = true;
}
}