<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2004-2026 The Cacti Group                                 |
 |                                                                         |
 | 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; either version 2          |
 | of the License, or (at your option) any later version.                  |
 |                                                                         |
 | 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.                            |
 +-------------------------------------------------------------------------+
 | Cacti: The Complete RRDtool-based Graphing Solution                     |
 +-------------------------------------------------------------------------+
 | This code is designed, written, and maintained by the Cacti Group. See  |
 | about.php and/or the AUTHORS file for specific developer information.   |
 +-------------------------------------------------------------------------+
 | http://www.cacti.net/                                                   |
 +-------------------------------------------------------------------------+
*/

// since we'll have additional headers, tell php when to flush them
ob_start();

// Prevent redirect to /install/
define('IN_CACTI_INSTALL', 1);
chdir(__DIR__ . '/../');

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
	http_response_code(405);
	header('Allow: POST');
	header('Content-Type: application/json');
	print json_encode(['error' => 'Method not allowed']);

	exit;
}

// set the json variable for request validation handling
include_once('lib/functions.php');
include_once('lib/html_utility.php');

srv('json', true);
$auth_json = true;

include_once('include/auth.php');
include_once('install/functions.php');
include_once('lib/installer.php');
include_once('lib/utility.php');

srv('json', true);
$auth_json = true;

$debug = false;

$initialData = [];
// ================= input validation =================
gnrv('data', []);

if (isrv('data') && gnrv('data')) {
	log_install_debug('json','Using supplied data');
	$initialData = gnrv('data');

	if (!is_array($initialData)) {
		$initialData = [$initialData];
	}
}

$json_level = log_install_level('json',POLLER_VERBOSITY_NONE);
log_install_high('json','Start: ' . clean_up_lines(json_encode($initialData)));

$initialData = array_merge($initialData, ['Runtime' => 'Web']);

if (isset($initialData['step']) && $initialData['step'] == Installer::STEP_TEST_REMOTE) {
	$json       = install_test_remote_database_connection();
	$json_debug = $json;
} else {
	$installer = new Installer($initialData);
	$json      = json_encode($installer);

	$json_debug = $json;

	if ($json_level < POLLER_VERBOSITY_DEBUG) {
		$installer->setRuntime('Json');
		$json_debug = json_encode($installer);
	}
}

$response = json_decode((string) $json, true);

if (is_array($response)) {
	$response['csrfMagicToken'] = csrf_get_tokens();
	$encoded_response           = json_encode($response);

	if ($encoded_response !== false) {
		$json = $encoded_response;
	}
}

log_install_high('json','  End: ' . clean_up_lines($json_debug) . PHP_EOL);
header('Content-Type: application/json');
header('Cache-Control: no-store');
header('X-Content-Type-Options: nosniff');
header('Content-Length: ' . strlen((string) $json));
print $json;