104 lines
3.6 KiB
PHP
104 lines
3.6 KiB
PHP
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#!/usr/bin/env php
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<?php
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if ($_REQUEST['do'] != 'update') {
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throw new Exception("Invalid request");
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}
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require __DIR__ . '/class/Cloudflare.php';
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$confFile = __DIR__ . '/CloudFlare.config.php';
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if (!file_exists($confFile)) {
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echo "Missing config file. Please copy config.php.skel to config.php and fill out the values therein.\n";
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return 1;
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}
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$config = require $confFile;
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foreach (['cloudflare_email', 'cloudflare_apikey_file', 'domainnames', 'ttl', 'protocol'] as $key) {
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if (!isset($config[$key]) || $config[$key] === '') {
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echo "config.php is missing the '$key' config value\n";
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return 1;
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}
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}
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$api = new Cloudflare($config['cloudflare_email'], file_get_contents($config['cloudflare_apikey_file']));
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if (isset($config['auth_token']) && $config['auth_token']) {
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// API mode. Use IP from request params.
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if (empty($_GET['auth_token']) || empty($_GET['ip']) || $_GET['auth_token'] != $config['auth_token']) {
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echo "Missing or invalid 'auth_token' param, or missing 'ip' param\n";
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return 1;
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}
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$ip = $_GET['ip'];
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} else {
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// Local mode. Get IP from service.
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$ip = getIP($config['protocol']);
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}
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//$verbose = !isset($argv[1]) || $argv[1] != '-s';
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$verbose = True;
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$updatedDomains = array();
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$encounteredErrors = 0;
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foreach ($config['domainnames'] as $pseudoDomainName) {
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preg_match("'\[(.*?)\](.*)'i", $pseudoDomainName, $patternMatch);
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$recordName = rtrim($patternMatch[1], '.');
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$domain = $patternMatch[2];
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$recordName = $recordName == '@' ? $domain : implode('.', [$recordName, $domain]);
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try {
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$zone = $api->getZone($domain);
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if (!$zone) {
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if ($verbose) echo "Domain $domain not found\n" . PHP_EOL;
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$encounteredErrors += 1;
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continue;
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}
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$records = $api->getZoneDnsRecords($zone['id'], ['name' => $recordName]);
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$record = $records && $records[0]['name'] == $recordName ? $records[0] : null;
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if (!$record) {
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if ($verbose) echo "No existing record [$recordName] found. Creating a new one\n" . PHP_EOL;
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$ret = $api->createDnsRecord($zone['id'], 'A', $recordName, $ip, ['ttl' => $config['ttl']]);
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if ($ret) $updatedDomains[] = $pseudoDomainName;
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} elseif ($record['type'] != 'A' || $record['content'] != $ip || $record['ttl'] != $config['ttl']) {
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if ($verbose) echo "Updating record [$recordName] from [{$record['content']}] to [$ip].\n" . PHP_EOL;
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$ret = $api->updateDnsRecord($zone['id'], $record['id'], [
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'type' => 'A',
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'name' => $recordName,
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'content' => $ip,
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'ttl' => $config['ttl'],
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]);
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if ($ret) $updatedDomains[] = $pseudoDomainName;
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} else {
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if ($verbose) echo "Record [$recordName] appears OK. No need to update.\n" . PHP_EOL;
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}
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}
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catch (Exception $e) {
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if ($verbose) echo "Error: " . $e->getMessage() . "\n" . PHP_EOL;
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$encounteredErrors += 1;
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}
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}
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$date = new DateTime("now", new DateTimeZone('Europe/Amsterdam'));
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if (sizeof($updatedDomains) > 0) {
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echo '[' . $date->format('d-m-Y H:i:s') . ']: ' . sizeof($updatedDomains) . ' out of ' . sizeof($config['domainnames']) . ' domains updated to ' . $ip . ' [' . implode(', ', $updatedDomains) . ']' . PHP_EOL;
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} else {
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echo '[' . $date->format('d-m-Y H:i:s') . ']: No changes made' . ($encounteredErrors > 0 ? ', however with ' . $encounteredErrors . ' errors!' : '') . PHP_EOL;
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}
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function getIP($protocol) {
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/* $prefixes = ['ipv4' => 'ipv4.', 'ipv6' => 'ipv6.', 'auto' => ''];
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if (!isset($prefixes[$protocol]))
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{
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throw new Exception('Invalid "protocol" config value.');
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}
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return trim(file_get_contents('http://' . $prefixes[$protocol] . 'icanhazip.com'));
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*/return trim(file_get_contents('https://api.ipify.org'));
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}
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?>
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