<?php
declare(strict_types=1);
/**
* This script sets up replication of another Chronicle
*/
use GetOpt\{
GetOpt,
Option
};
use ParagonIE\EasyDB\{
EasyDB,
Factory
};
use GuzzleHttp\Client;
use ParagonIE\Chronicle\Chronicle;
use ParagonIE\Chronicle\Exception\InstanceNotFoundException;
use ParagonIE\ConstantTime\Base64UrlSafe;
use ParagonIE\Sapient\CryptographyKeys\SigningPublicKey;
$root = \dirname(__DIR__);
/** @psalm-suppress UnresolvableInclude */
require_once $root . '/cli-autoload.php';
if (!\is_readable($root . '/local/settings.json')) {
echo 'Settings are not loaded.', PHP_EOL;
exit(1);
}
/** @var array<string, string|string[]> $settings */
$settings = \json_decode(
(string) \file_get_contents($root . '/local/settings.json'),
true
);
$db = Factory::create(
$settings['database']['dsn'],
$settings['database']['username'] ?? '',
$settings['database']['password'] ?? '',
$settings['database']['options'] ?? []
);
Chronicle::setDatabase($db);
/**
* This defines the Command Line options.
*/
$getopt = new GetOpt([
new Option(null, 'url', Getopt::REQUIRED_ARGUMENT),
new Option(null, 'publickey', Getopt::REQUIRED_ARGUMENT),
new Option(null, 'name', Getopt::REQUIRED_ARGUMENT),
new Option('i', 'instance', Getopt::OPTIONAL_ARGUMENT),
]);
$getopt->process();
/** @var string $url */
$url = $getopt->getOption('url');
/** @var string $publicKey */
$publicKey = $getopt->getOption('publickey');
/** @var string $name */
$name = $getopt->getOption('name');
/** @var string $instance */
$instance = $getopt->getOption('instance') ?? '';
try {
if (!empty($instance)) {
if (!\array_key_exists($instance, $settings['instances'])) {
throw new InstanceNotFoundException(
'Instance ' . $instance . ' not found'
);
}
Chronicle::setTablePrefix($settings['instances'][$instance]);
}
} catch (InstanceNotFoundException $ex) {
echo $ex->getMessage(), PHP_EOL;
exit(1);
}
if (!isset($url, $publicKey, $name)) {
echo "Not enough data. Please specify:\n",
"\t--name\n",
"\t--publickey\n",
"\t--url\n";
exit(1);
}
// Retrieve public key from remote server.
/** @var array<string, string> $response */
$response = json_decode(
(string) (new Client())
->get($url)
->getBody()
->getContents(),
true
);
// Make sure the server's public key matches.
if (!hash_equals($response['public-key'], $publicKey)) {
echo 'ERROR: Server\'s public key does not match the one you provided!', PHP_EOL;
echo '- ' . $publicKey . PHP_EOL;
echo '+ ' . $response['public-key'] . PHP_EOL;
exit(4);
}
// Write to database...
try {
$publicKeyObj = new SigningPublicKey(
Base64UrlSafe::decode($publicKey)
);
} catch (\Throwable $ex) {
echo $ex->getMessage(), PHP_EOL;
exit(1);
}
$db->beginTransaction();
$db->insert(Chronicle::getTableNameUnquoted('replication_sources', true), [
'name' => $name,
'uniqueid' => Base64UrlSafe::encode(random_bytes(33)),
'publickey' => $publicKey,
'url' => $url
]);
if (!$db->commit()) {
$db->rollBack();
/** @var array<int, string> $errorInfo */
$errorInfo = $db->errorInfo();
echo $errorInfo[0], PHP_EOL;
exit(1);
}
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