statistics/sender.php

<?php
/*
 * Outputs metadata of the sender
 * Copyright (C) 2020  Polyna <https://wandystan.eu/B196>
 *
 * This file is part of LDMW statistical scripts.
 *
 * LDMW statistical scripts are free software: you can redistribute them
 * and/or modify them under the terms of the GNU Affero General Public
 * License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * LDMW statistical scripts are distributed in the hope that they will be
 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with LDMW statistical scripts.  If not, see
 * <https://www.gnu.org/licenses/>.
 */
require_once 'common.php';

$hash = $_GET['hash'];
if (! mb_ereg_match('^[0-9a-f]{8}$', $hash))
	exit_error('Invalid hash.');

header('Content-type: application/ld+json');
print json_encode([
	'@context' => 'https://wandystan.eu/statistics/context.jsonld',
	'@id' => 'sender/' . $hash,
	'@type' => 'Agent',
	'name_fnv1a32sum' => $hash
]);