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/*
* Copyright (C) 2024 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "Application.h"
#if USE(GLIB)
#include <glib.h>
#include <mutex>
#include <wtf/FileSystem.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/UUID.h>
#include <wtf/glib/GUniquePtr.h>
#include <wtf/text/MakeString.h>
#include <wtf/text/WTFString.h>
namespace WTF {
const CString& applicationID()
{
static NeverDestroyed<CString> id;
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
if (auto* app = g_application_get_default()) {
if (const char* appID = g_application_get_application_id(app)) {
id.get() = appID;
return;
}
}
const char* programName = g_get_prgname();
if (programName && g_application_id_is_valid(programName)) {
id.get() = programName;
return;
}
// There must be some id for xdg-desktop-portal to function.
// xdg-desktop-portal uses this id for permissions.
// This creates a somewhat reliable id based on the executable path
// which will avoid potentially gaining permissions from another app
// and won't flood xdg-desktop-portal with new ids.
if (auto executablePath = FileSystem::currentExecutablePath(); !executablePath.isNull()) {
GUniquePtr<char> digest(g_compute_checksum_for_data(G_CHECKSUM_SHA256, reinterpret_cast<const uint8_t*>(executablePath.data()), executablePath.length()));
id.get() = makeString("org.webkit.app-"_s, unsafeSpan(digest.get())).utf8();
return;
}
// If it is not possible to obtain the executable path, generate a random identifier as a fallback.
auto uuid = WTF::UUID::createVersion4Weak();
id.get() = makeString("org.webkit.app-"_s, uuid.toString()).utf8();
});
return id.get();
}
} // namespace WTF
#endif // USE(GLIB)
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