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fakerde.php
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#!/usr/bin/env php
<?php declare(strict_types=1);
namespace gbxyz\fakerde;
use DateTimeImmutable;
use Net_DNS2_RR;
use Transliterator;
use XMLWriter;
ini_set('memory_limit', -1);
require_once __DIR__.'/vendor/autoload.php';
if (realpath($argv[0]) == realpath(__FILE__)) {
exit(generator::main());
}
/**
* generate a realistic-looking XML Registry Data Escrow (RDE) deposit file
* for a generic TLD
* @see generator::main()
* @see RFC8909
* @see RFC9022
*/
final class generator {
/**
* multi-dimensional array of resource records parsed from the zone file, indexed by owner name and type
*/
private static array $rrs;
/**
* list of ICANN-accredited registrars indexed by Globally Unique Registrar ID (GURID)
*/
private static array $registrars;
/**
* map of GURID => DUMs
*/
private static array $stats;
/**
* count of objects of each type
*/
private static array $counts;
/**
* the TLD being faked
*/
private static string $tld;
/**
* temporary filehandle where objects are written
*/
private static $fh;
/**
* map of short name => XML namespace
*/
private const xmlns = [
'rde' => 'urn:ietf:params:xml:ns:rde-1.0',
'header' => 'urn:ietf:params:xml:ns:rdeHeader-1.0',
'report' => 'urn:ietf:params:xml:ns:rdeReport-1.0',
'domain' => 'urn:ietf:params:xml:ns:rdeDomain-1.0',
'host' => 'urn:ietf:params:xml:ns:rdeHost-1.0',
'contact' => 'urn:ietf:params:xml:ns:rdeContact-1.0',
'registrar' => 'urn:ietf:params:xml:ns:rdeRegistrar-1.0',
];
/**
* country dialling codes so we can construct compliant e164 phone numbers
*/
private const dialCodes = [
'AD' => '376',
'AE' => '971',
'AF' => '93',
'AG' => '1',
'AI' => '1',
'AL' => '355',
'AM' => '374',
'AO' => '244',
'AQ' => '672',
'AR' => '54',
'AS' => '1',
'AT' => '43',
'AU' => '61',
'AW' => '297',
'AX' => '358',
'AZ' => '994',
'BA' => '387',
'BB' => '1',
'BD' => '880',
'BE' => '32',
'BF' => '226',
'BG' => '359',
'BH' => '973',
'BI' => '257',
'BJ' => '229',
'BL' => '590',
'BM' => '1',
'BN' => '673',
'BO' => '591',
'BQ' => '599',
'BR' => '55',
'BS' => '1',
'BT' => '975',
'BV' => '47',
'BW' => '267',
'BY' => '375',
'BZ' => '501',
'CA' => '1',
'CC' => '61',
'CD' => '243',
'CF' => '236',
'CG' => '242',
'CH' => '41',
'CI' => '225',
'CK' => '682',
'CL' => '56',
'CM' => '237',
'CN' => '86',
'CO' => '57',
'CR' => '506',
'CU' => '53',
'CV' => '238',
'CW' => '599',
'CX' => '61',
'CY' => '357',
'CZ' => '420',
'DE' => '49',
'DJ' => '253',
'DK' => '45',
'DM' => '1',
'DO' => '1',
'DZ' => '213',
'EC' => '593',
'EE' => '372',
'EG' => '20',
'EH' => '212',
'ER' => '291',
'ES' => '34',
'ET' => '251',
'FI' => '358',
'FJ' => '679',
'FK' => '500',
'FM' => '691',
'FO' => '298',
'FR' => '33',
'GA' => '241',
'GB' => '44',
'GD' => '1',
'GE' => '995',
'GF' => '594',
'GG' => '44',
'GH' => '233',
'GI' => '350',
'GL' => '299',
'GM' => '220',
'GN' => '224',
'GP' => '590',
'GQ' => '240',
'GR' => '30',
'GS' => '500',
'GT' => '502',
'GU' => '1',
'GW' => '245',
'GY' => '592',
'HK' => '852',
'HM' => '672',
'HN' => '504',
'HR' => '385',
'HT' => '509',
'HU' => '36',
'ID' => '62',
'IE' => '353',
'IL' => '972',
'IM' => '44',
'IN' => '91',
'IO' => '246',
'IQ' => '964',
'IR' => '98',
'IS' => '354',
'IT' => '39',
'JE' => '44',
'JM' => '1',
'JO' => '962',
'JP' => '81',
'KE' => '254',
'KG' => '996',
'KH' => '855',
'KI' => '686',
'KM' => '269',
'KN' => '1',
'KP' => '850',
'KR' => '82',
'KW' => '965',
'KY' => '1',
'KZ' => '7',
'LA' => '856',
'LB' => '961',
'LC' => '1',
'LI' => '423',
'LK' => '94',
'LR' => '231',
'LS' => '266',
'LT' => '370',
'LU' => '352',
'LV' => '371',
'LY' => '218',
'MA' => '212',
'MC' => '377',
'MD' => '373',
'ME' => '382',
'MF' => '590',
'MG' => '261',
'MH' => '692',
'MK' => '389',
'ML' => '223',
'MM' => '95',
'MN' => '976',
'MO' => '853',
'MP' => '1',
'MQ' => '596',
'MR' => '222',
'MS' => '1',
'MT' => '356',
'MU' => '230',
'MV' => '960',
'MW' => '265',
'MX' => '52',
'MY' => '60',
'MZ' => '258',
'NA' => '264',
'NC' => '687',
'NE' => '227',
'NF' => '672',
'NG' => '234',
'NI' => '505',
'NL' => '31',
'NO' => '47',
'NP' => '977',
'NR' => '674',
'NU' => '683',
'NZ' => '64',
'OM' => '968',
'PA' => '507',
'PE' => '51',
'PF' => '689',
'PG' => '675',
'PH' => '63',
'PK' => '92',
'PL' => '48',
'PM' => '508',
'PN' => '870',
'PR' => '1',
'PS' => '970',
'PT' => '351',
'PW' => '680',
'PY' => '595',
'QA' => '974',
'RE' => '262',
'RO' => '40',
'RS' => '381',
'RU' => '7',
'RW' => '250',
'SA' => '966',
'SB' => '677',
'SC' => '248',
'SD' => '249',
'SE' => '46',
'SG' => '65',
'SH' => '290',
'SI' => '386',
'SJ' => '47',
'SK' => '421',
'SL' => '232',
'SM' => '378',
'SN' => '221',
'SO' => '252',
'SR' => '597',
'SS' => '211',
'ST' => '239',
'SV' => '503',
'SX' => '1',
'SY' => '963',
'SZ' => '268',
'TC' => '1',
'TD' => '235',
'TF' => '262',
'TG' => '228',
'TH' => '66',
'TJ' => '992',
'TK' => '690',
'TL' => '670',
'TM' => '993',
'TN' => '216',
'TO' => '676',
'TR' => '90',
'TT' => '1',
'TV' => '688',
'TW' => '886',
'TZ' => '255',
'UA' => '380',
'UG' => '256',
'US' => '1',
'UY' => '598',
'UZ' => '998',
'VA' => '39',
'VC' => '1',
'VE' => '58',
'VG' => '1',
'VI' => '1',
'VN' => '84',
'VU' => '678',
'WF' => '681',
'WS' => '685',
'YE' => '967',
'YT' => '262',
'ZA' => '27',
'ZM' => '260',
'ZW' => '263',
];
/**
* disallow instantiation
*/
private function __construct() {
}
/**
* entrypoint which is called when the script is invoked
*/
public static function main(): int {
$opt = getopt('', [
'help',
'origin:',
'input:',
'registrant',
'admin',
'tech',
'host-attributes',
]);
if (isset($opt['help']) || !isset($opt['origin']) || !isset($opt['input'])) return self::help();
return self::generate(
origin: strToLower(trim($opt['origin'], " \n\r\t\v\x00.")).".",
input: $opt['input'],
registrant: array_key_exists('registrant', $opt),
admin: array_key_exists('admin', $opt),
tech: array_key_exists('tech', $opt),
host_attributes: array_key_exists('host-attributes', $opt),
);
}
/**
* display user help
*/
private static function help(): int {
global $argv;
$fh = fopen('php://stderr', 'w');
fprintf($fh, "Usage: php %s OPTIONS\n\nOptions:\n", $argv[0]);
fwrite($fh, " --help show this help\n");
fwrite($fh, " --origin=ORIGIN specify zone name\n");
fwrite($fh, " --input=FILE specify zone file to parse\n");
fwrite($fh, " --registrant add registrant to domains\n");
fwrite($fh, " --admin add admin contact to domains\n");
fwrite($fh, " --tech add tech contact to domains\n");
fwrite($fh, " --host-attributes use host attributes instead of objects\n");
fwrite($fh, "\n");
fclose($fh);
return 1;
}
/**
* tell the user about something interesting
*/
private static function info(string $error) {
fprintf(STDERR, "INFO: %s\n", $error);
}
/**
* tell the user about a fatal error
*/
private static function die(string $error) {
throw new \Exception($error);
}
/**
* read a zone file and convert into Net_DNS2_RR objects. This assumes
* that the file has already been normalized using ldns-readzone or named-compilezone
*/
private static function readZoneFile(string $zone): array {
$fh = fopen($zone, 'r');
$rrs = [];
if (false === $fh) self::die("Unable to open {$input}");
while (true) {
if (feof($fh)) {
break;
} else {
$line = fgets($fh);
if (false === $line) {
continue;
} else {
$rr = Net_DNS2_RR::fromString($line);
$name = strToLower($rr->name);
$type = strToUpper($rr->type);
if (!isset($rrs[$name])) $rrs[$name] = [];
if (!isset($rrs[$name][$type])) $rrs[$name][$type] = [];
$rrs[$name][$type][] = $rr;
}
}
}
return $rrs;
}
/**
* parse the RDAP search results to get registrar info
*/
private static function parseRegistrarData(string $data): array {
$json = json_decode($data);
foreach ($json->entitySearchResults as $e) {
$gurid = $e->publicIds[0]->identifier;
$rar = [
'id' => sprintf('%u-IANA', $gurid),
'gurid' => (string)$gurid,
];
$i = [];
foreach ($e->vcardArray[1] ?? [] as $node) {
list($type, $opt, $fmt, $value) = $node;
$i[$type] = $value;
}
$rar['org'] = $i['org'] ?? $i['fn'];
$rar['voice'] = $i['tel'] ?? null;
$rar['email'] = $i['email'] ?? null;
foreach ($e->links ?? [] as $link) {
if ('related' == $link->rel && "Registrar's Website" == $link->title) {
$rar['url'] = $link->href;
break;
}
}
$rars[strval($gurid)] = (object)$rar;
}
return $rars;
}
/**
* mirror a URL
*/
private static function mirror(string $url): string {
$local = sys_get_temp_dir().'/'.__METHOD__.'-'.sha1($url);
if (file_exists($local) && time()-filemtime($local) < 86400) {
return file_get_contents($local);
} else {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/115.0');
$headers = [];
if (file_exists($local)) {
$headers[] = "If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', filemtime($local));
}
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$result = curl_exec($ch);
$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if (304 == $status) {
touch($local);
return file_get_contents($local);
} elseif (200 == $status) {
file_put_contents($local, $result);
return $result;
} else {
self::die("Got {$status} response when retrieving '{$url}'");
}
}
}
/**
* get registrar data from registrars.rdap.org and return as useful objects
*/
private static function getRegistrars(): array {
return self::parseRegistrarData(self::mirror('https://registrars.rdap.org/entities'));
}
/**
* get the most recent public transactions report for this TLD from ICANN
*/
private static function getRegistrarStats(?string $tld=null): array {
$tld ??= self::$tld;
$date = (new DateTimeImmutable("6 months ago"))->format('Ym');
$url = sprintf(
'https://www.icann.org/sites/default/files/mrr/%s/%s-transactions-%s-en.csv',
$tld, $tld, $date
);
$stats = [];
try {
$fh = fopen('php://temp', 'r+');
fwrite($fh, self::mirror($url));
rewind($fh);
// discard header
fgetcsv($fh);
while (true) {
if (feof($fh)) {
break;
} else {
$row = fgetcsv($fh);
if (!is_array($row) || empty($row)) {
continue;
} elseif (!empty($row[1])) {
$gurid = strval($row[1]);
if (isset(self::$registrars[$gurid]) && $row[2] > 0) $stats[$gurid] = intval($row[2]);
}
}
}
arsort($stats, SORT_NUMERIC);
} catch (\Exception $e) {
self::info($e->getMessage());
if ("org" !== $tld) {
return self::getRegistrarStats("org");
} else {
exit(1);
}
}
return $stats;
}
/**
* randomly select a registrar, weighted by number of DUMs
*/
private static function selectRegistrar(): ?int {
static $max = 0;
if ($max < 1) $max = array_sum(self::$stats);
$v = rand(0, $max);
$total = 0;
foreach (self::$stats as $gurid => $dums) {
$total += $dums;
if ($total >= $v) return $gurid;
}
return null;
}
/**
* extract all the second-level delegations from the zone
*/
private static function getDelegations(): array {
$pattern = sprintf("/^[a-z0-9\-]+\.%s$/i", preg_quote(self::$tld));
return array_filter(
array_keys(self::$rrs),
fn($n) => 1 === preg_match($pattern, $n)
);
}
/**
* write the <rdeHeader> element
*/
private static function writeHeader(XMLWriter $xml): void {
$xml->startElementNS(name:'header', namespace:self::xmlns['header'], prefix:null);
$xml->startElement('tld');
$xml->text(self::$tld);
$xml->endElement();
foreach (self::$counts as $type => $count) {
if ($count > 0) {
$xml->startElement('count');
$xml->writeAttribute('uri', self::xmlns[$type]);
$xml->text((string)$count);
$xml->endElement();
}
}
$xml->endElement(); // </header>
}
/**
* write all the objects and update the counts
*/
private static function generateObjects(bool $registrant, bool $admin, bool $tech, bool $host_attributes): void {
foreach (array_keys(self::$stats) as $gurid) {
fwrite(self::$fh, self::generateRegistrarObject(self::$registrars[$gurid]));
}
self::info(sprintf('wrote %u registrars', count(self::$stats)));
$delegations = [];
foreach (self::getDelegations(self::$tld) as $name) {
$delegations[$name] = self::selectRegistrar();
}
self::info(sprintf('%u domains will be written', count($delegations)));
$hosts = [];
$h = 0;
if (!$host_attributes) {
foreach ($delegations as $name => $gurid) {
foreach (self::$rrs[$name]['NS'] ?? [] as $ns) {
if (!isset($hosts[$ns->nsdname])) {
fwrite(self::$fh, self::generateHostObject($ns->nsdname, intval($gurid)));
$hosts[$ns->nsdname] = 1;
if (0 == ++$h % 10000) self::info(sprintf('wrote %u hosts', $h));
}
}
}
}
self::info(sprintf('wrote %u hosts', $h));
$types = [];
if ($registrant) $types[] = 'registrant';
if ($admin) $types[] = 'admin';
if ($tech) $types[] = 'tech';
$d = $c = 0;
foreach ($delegations as $name => $gurid) {
$contacts = [];
foreach ($types as $type) {
$contacts[$type] = substr(strToUpper(base_convert(sha1($name.$type), 16, 36)), 0, 16);
fwrite(self::$fh, self::generateContactObject($contacts[$type], $gurid));
if (0 == ++$c % 10000) self::info(sprintf('wrote %u of %u contacts', $c, 3*count($delegations)));
}
fwrite(self::$fh, self::generateDomainObject($name, $gurid, $contacts, $host_attributes));
if (0 == ++$d % 10000) self::info(sprintf('wrote %u of %u domains', $d, count($delegations)));
}
self::info(sprintf('wrote %u contacts', $c));
self::info(sprintf('wrote %u domains', $d));
self::$counts = [
'domain' => $d,
'host' => $h,
'contact' => $c,
'registrar' => count(self::$stats),
];
}
/**
* wrap the object data in the deposit XML header/footer and write to the output file
*/
private static function assembleDeposit(string $id, string $watermark, bool $contacts, bool $hosts): void {
$xml = new XMLWriter;
$xml->openMemory();
$xml->startDocument('1.0', 'UTF-8');
$xml->setIndent(true);
$xml->startElementNS(name:'deposit', namespace:self::xmlns['rde'], prefix:null);
$xml->writeAttribute('xmlns:domain', 'urn:ietf:params:xml:ns:domain-1.0');
$xml->writeAttribute('xmlns:contact', 'urn:ietf:params:xml:ns:contact-1.0');
$xml->writeAttribute('type', 'FULL');
$xml->writeAttribute('id', $id);
$xml->startElement('watermark');
$xml->text($watermark);
$xml->endElement();
$xml->startElement('rdeMenu');
$xml->startElement('version');
$xml->text('1.0');
$xml->endElement();
$types = ['domain', 'registrar'];
if ($contacts) $types[] = 'contact';
if ($hosts) $types[] = 'host';
foreach ($types as $type) {
$xml->startElement('objURI');
$xml->text(self::xmlns[$type]);
$xml->endElement();
}
$xml->endElement(); // </rdeMenu>
$xml->startElement('contents');
self::writeHeader($xml);
$marker = sprintf('<!-- MARKER %s -->', uniqid());
$xml->writeRaw($marker);
$xml->endElement(); // </contents>
$xml->endElement(); // </deposit>
list($header, $footer) = explode($marker, $xml->flush());
$output = sprintf('%s_%s_full_S1_R0.xml', self::$tld, (new DateTimeImmutable())->format('Y-m-d'));
$outfh = fopen($output, 'w');
fwrite($outfh, $header);
rewind(self::$fh);
stream_copy_to_stream(self::$fh, $outfh);
fwrite($outfh, $footer);
fclose(self::$fh);
fclose($outfh);
self::info(sprintf('wrote %s', $output));
}
/**
* write the report file
*/
private static function writeReport(string $id, string $watermark): void {
$xml = new XMLWriter;
$xml->openMemory();
$xml->setIndent(true);
$xml->startElementNS(name:'report', namespace:self::xmlns['report'], prefix:null);
$values = [
'id' => $id,
'version' => '1',
'rydeSpecEscrow' => 'RFC8909',
'rydeSpecMapping' => 'RFC9022',
'resend' => '0',
'crDate' => $watermark,
'kind' => 'FULL',
'watermark' => $watermark,
];
foreach ($values as $name => $value) {
$xml->startElement($name);
$xml->text($value);
$xml->endElement();
}
self::writeHeader($xml);
$xml->endElement();
$report = sprintf('%s_%s_full_R0.rep', self::$tld, (new DateTimeImmutable())->format('Y-m-d'));
file_put_contents($report, $xml->flush());
self::info(sprintf('wrote %s', $report));
}
private static function generate(string $origin, string $input, bool $registrant, bool $admin, bool $tech, bool $host_attributes): int {
self::$tld = rtrim(strtolower($origin), ".");
self::info(sprintf('running for .%s', self::$tld));
self::$registrars = self::getRegistrars();
self::$stats = self::getRegistrarStats(self::$tld);
self::$rrs = self::readZoneFile($input);
$tmpfile = tempnam(sys_get_temp_dir(), __METHOD__);
self::$fh = fopen($tmpfile, 'r+');
self::generateObjects($registrant, $admin, $tech, $host_attributes);
$id = strToUpper(base_convert((string)time(), 10, 36));
$watermark = (new DateTimeImmutable)->format('c');
self::assembleDeposit($id, $watermark, $registrant || $admin || $tech, !$host_attributes);
self::writeReport($id, $watermark);
unlink($tmpfile);
return 0;
}
/**
* generate a registrar
*/
private static function generateRegistrarObject(object $rar): string {
$xml = new XMLWriter;
$xml->openMemory();
$xml->setIndent(true);
$xml->startElementNS(name:'registrar', namespace:self::xmlns['registrar'], prefix:null);
$xml->startElement('id');
$xml->text($rar->id);
$xml->endElement();
$xml->startElement('name');
$xml->text($rar->org ?? sprintf('Unknown Registrar #%u', $rar->gurid));
$xml->endElement();
$xml->startElement('gurid');
$xml->text($rar->gurid);
$xml->endElement();
$xml->startElement('status');
$xml->text('ok');
$xml->endElement();
$xml->endElement();
$blob = $xml->flush();
return $blob;
}
/**
* generate a host object
*/
private static function generateHostObject(string $name, int $sponsor): string {
$xml = new XMLWriter;
$xml->openMemory();
$xml->setIndent(true);
$xml->startElementNS(name:'host', namespace:self::xmlns['host'], prefix:null);
$xml->startElement('name');
$xml->text($name);
$xml->endElement();
$xml->startElement('roid');
$xml->text('H'.strToUpper(base_convert(sha1($name), 16, 36)).'-'.strToUpper(self::$tld));
$xml->endElement();
$xml->startElement('status');
$xml->writeAttribute('s', 'linked');
$xml->endElement();
foreach (['clientDeleteProhibited', 'clientUpdateProhibited'] as $s) {
if (67 >= rand(0, 99)) {
$xml->startElement('status');
$xml->writeAttribute('s', $s);
$xml->endElement();
}
}
if (str_ends_with($name, '.'.self::$tld)) {
foreach (['A', 'AAAA'] as $type) {
foreach (self::$rrs[$name][$type] ?? [] as $rr) {
$xml->startElement('addr');
$xml->writeAttribute('ip', 4 == strlen(inet_pton($rr->address)) ? 'v4' : 'v6');
$xml->text($rr->address);
$xml->endElement();
}
}
}
self::writeStandardMetadata($xml, $sponsor);
$xml->endElement();
return $xml->flush();
}
/**
* return a list of locales supported by fakerphp
*/
private static function locales(): array {
static $locales = [];
if (empty($locales)) {
$locales = array_map(
fn ($f) => basename($f),
array_filter(
glob(__DIR__.'/vendor/fakerphp/faker/src/Faker/Provider/*'),
fn ($f) => is_dir($f),
),
);
sort($locales, SORT_STRING);
}
return $locales;
}
/**
* randomly select a locale
*/
private static function randomLocale(): string {
$locales = self::locales();
while (true) {
$locale = $locales[rand(0, count($locales)-1)];
$cc = substr($locale, -2);
if (isset(self::dialCodes[$cc])) {
return $locale;
}
}
}
/**
* get the ISO-3166 country code from a locale
*/
private static function ccFromLocale(string $locale): string {
return strToUpper(substr($locale, -2));
}
/**
* access the cached faker object for the given locale
*/
public static function faker(string $locale): \Faker\Generator {
static $fakers = [];
if (!isset($fakers[$locale])) $fakers[$locale] = \Faker\Factory::create($locale);
return $fakers[$locale];
}
/**
* generate a valid number in e164 format
*/
public static function fakePhone(string $locale): string {
$phone = self::faker($locale)->e164PhoneNumber();
$cc = self::ccFromLocale($locale);
return substr($phone, 0, 1+strlen(self::dialCodes[$cc])).'.'.substr($phone, 1+strlen(self::dialCodes[$cc]));
}
/**
* there isn't a standard name, different locales use different terms, so this attempts to find the right one.
*/
private static function fakeSP(string $locale): ?string {
static $methods = ['state', 'province', 'departmentName', 'county', 'cantonName', 'region', 'prefecture', 'district', 'governorate', 'borough', 'area', 'kommune', 'locality'];
$class = sprintf('Faker\\Provider\\%s\\Address', $locale);
foreach ($methods as $method) {
if (method_exists($class, $method)) {
return self::faker($locale)->$method();
}
}
return null;
}
/**
* write the standard metadata that's common to all objects
*/
private static function writeStandardMetadata(XMLWriter $xml, int $sponsor, bool $includeExDate=false): void {
$xml->startElement('clID');
$xml->text(self::$registrars[$sponsor]->id);
$xml->endElement();
$xml->startElement('crRr');
$xml->text(self::$registrars[$sponsor]->id);
$xml->endElement();
$crDate = new DateTimeImmutable(sprintf('%u seconds ago', rand(90 * 86400, 3650 * 86400)));
$xml->startElement('crDate');
$xml->text($crDate->format('c'));
$xml->endElement();
if ($includeExDate) {
$exDate = new DateTimeImmutable(sprintf('@%u', time()+rand(86400, 365 * 86400)));
$xml->startElement('exDate');