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index.php
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index.php
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<?php
require __DIR__ . '/vendor/autoload.php';
$dotenv = Dotenv\Dotenv::createImmutable(__DIR__);
$dotenv->load();
error_reporting(E_ALL ^ E_WARNING);
set_time_limit(20);
$host_cache = [];
$ip_cache = [];
$dns_cache = [];
$ipinfo_cache = [];
$ipinfo_count = 0;
$ipapi_count = 0;
$keycdn_count = 0;
$arin_count = 0;
$dns_count = 0;
$server_locations = [];
$errors = [];
// COX Hosting: 7trees.com
// LiquidWeb: Coursevector.com
// based on original work from the PHP Laravel framework
if (!function_exists('str_contains')) {
function str_contains($haystack, $needle)
{
return $needle !== '' && mb_strpos($haystack, $needle) !== false;
}
}
function get_host_by_ip($ip)
{
global $host_cache, $ip_cache, $dns_count;
if (!isset($host_cache[$ip])) {
$host_cache[$ip] = gethostbyaddr($ip);
$ip_cache[$host_cache[$ip]] = $ip;
$dns_count++;
}
return $host_cache[$ip];
}
function get_host_by_name($domain)
{
global $host_cache, $ip_cache, $dns_count, $errors;
if (!isset($ip_cache[$domain])) {
if (null === $domain) {
$errors[] = "Invalid domain, unable to lookup IP";
return false;
}
$result = gethostbyname($domain);
if ($result === $domain) {
$errors[] = "Invalid domain, unable to lookup IP";
return false;
}
$ip_cache[$domain] = $result;
$host_cache[$ip_cache[$domain]] = $domain;
$dns_count++;
}
return $ip_cache[$domain];
}
function dns_type_to_string(int $type)
{
$type_string = '';
switch ($type) {
case DNS_A:
$type_string = 'A';
break;
case DNS_CNAME:
$type_string = 'CNAME';
break;
case DNS_HINFO:
$type_string = 'HINFO';
break;
case DNS_CAA:
$type_string = 'CAA';
break;
case DNS_MX:
$type_string = 'MX';
break;
case DNS_NS:
$type_string = 'NS';
break;
case DNS_PTR:
$type_string = 'PTR';
break;
case DNS_SOA:
$type_string = 'SOA';
break;
case DNS_TXT:
$type_string = 'TXT';
break;
case DNS_AAAA:
$type_string = 'AAAA';
break;
case DNS_SRV:
$type_string = 'SRV';
break;
case DNS_NAPTR:
$type_string = 'NAPTR';
break;
case DNS_A6:
$type_string = 'A6';
break;
case DNS_DNSKEY:
$type_string = 'DNSKEY';
break;
case DNS_DS:
$type_string = 'DS';
break;
default:
$type_string = '?';
}
return $type_string;
}
function netdns2_to_native(Net_DNS2_Packet_Response $query_response, int $type)
{
global $dns_resolver;
$result = [];
foreach ($query_response->answer as $rr) {
// Hide/drop the binary as this messes up var_dump
$rr->rdata = '';
// if ($type_string != $rr->type) {
// error_log($type_string . ' != ' . $rr->type);
// error_log(print_r($rr, true));
// $test = dns_get_record($host, $type);
// error_log(print_r($test, true));
// }
$rr_data = [
'host' => $rr->name,
'class' => $rr->class,
'ttl' => $rr->ttl,
'type' => $rr->type,
];
if ($type === DNS_A) {
$rr_data['ip'] = $rr->address;
}
if ($type === DNS_CNAME) {
$rr_data['target'] = $rr->cname;
}
if ($type === DNS_CAA) {
$rr_data['flags'] = $rr->flags;
$rr_data['tag'] = $rr->tag;
$rr_data['value'] = $rr->value;
}
if ($type === DNS_MX) {
// When response is a CNAME
// error_log(print_r($rr, true));
if (property_exists($rr, 'preference')) {
$rr_data['pri'] = $rr->preference;
$rr_data['target'] = $rr->exchange;
} else {
// MX records have to point directly to a server's A record or AAAA record. Pointing to a CNAME is forbidden by the RFC documents that define how MX records function.
break;
}
}
if ($type === DNS_NS) {
$rr_data['target'] = $rr->nsdname;
}
if ($type === DNS_PTR) {
$rr_data['target'] = $rr->ptrdname;
}
if ($type === DNS_SOA) {
$rr_data['mname'] = $rr->mname;
$rr_data['rname'] = $rr->rname;
$rr_data['serial'] = $rr->serial;
$rr_data['refresh'] = $rr->refresh;
$rr_data['retry'] = $rr->retry;
$rr_data['expire'] = $rr->expire;
$rr_data['minimum-ttl'] = $rr->minimum;
}
if ($type === DNS_TXT) {
// When response is a CNAME
if (property_exists($rr, 'text')) {
$rr_data['txt'] = implode("", $rr->text);
$rr_data['entries'] = $rr->text;
} else {
// Return a CNAME instead
$rr_data['target'] = $rr->cname;
// Switch to the native since it recurses better,
// but save the corrected TTL
$temp = dns_get_record($rr->cname, $type);
// error_log('asdfasdf');
// error_log(print_r($temp, true));
// $query_response2 = $dns_resolver->query($rr->cname, dns_type_to_string($type));
// $temp2 = netdns2_to_native($query_response2, $type);
// error_log(print_r($temp2, true));
if (count($temp)) {
// $rr_data = $temp[0];
$rr_data['txt'] = $temp[0]['txt'];
$rr_data['entries'] = $temp[0]['entries'];
// $rr_data['ttl'] = $rr->ttl;
} else {
// Sometimes it won't give a response for whatever reason (_acme-challenge.nsone.net)
// $rr_data['host'] = $rr->cname;
$rr_data['txt'] = '';
// $rr_data['type'] = 'TXT';
$rr_data['entries'] = [];
}
}
}
if ($type === DNS_AAAA) {
// When response is a CNAME
if (property_exists($rr, 'address')) {
$rr_data['ipv6'] = $rr->address;
} else {
// Can't find evidence where this is allowed
break;
}
}
if ($type === DNS_SRV) {
$rr_data['pri'] = $rr->priority;
$rr_data['weight'] = $rr->weight;
$rr_data['port'] = $rr->port;
$rr_data['target'] = $rr->target;
}
if ($type === DNS_NAPTR) {
$rr_data['order'] = $rr->order;
$rr_data['pref'] = $rr->preference;
$rr_data['flags'] = $rr->flags;
$rr_data['services'] = $rr->services;
$rr_data['regex'] = $rr->regexp;
$rr_data['replacement'] = $rr->replacement;
}
if ($type === DNS_DNSKEY) {
$rr_data['flags'] = $rr->flags;
$rr_data['protocol'] = $rr->protocol;
$rr_data['algorithm'] = $rr->algorithm;
$rr_data['key'] = $rr->key;
}
if ($type === DNS_DS) {
$rr_data['keytag'] = $rr->keytag;
$rr_data['algorithm'] = $rr->algorithm;
$rr_data['digesttype'] = $rr->digesttype;
$rr_data['digest'] = $rr->digest;
}
$result[] = $rr_data;
}
return $result;
}
function get_dns_record($host, $type)
{
global $dns_cache, $dns_count, $tld_dns_resolver, $arpa_dns_resolver, $dns_resolver;
if (!isset($dns_cache[$host])) {
$dns_cache[$host] = [];
}
if (!isset($dns_cache[$host][$type])) {
// error_log("dns_get_record {$host} - {$type}");
// BUG: There is no timeout for dns_get_record and it can wait minutes for a reply
// https://github.com/hostinger/php-dig
// composer require hostinger/php-dig
$type_string = dns_type_to_string($type);
// Save some time if we're only doing a rDNS
// error_log($host . ' ' . $type_string);
if ((str_ends_with($host, '.in-addr.arpa') || str_ends_with($host, '.ip6.arpa')) && $type !== DNS_PTR) {
$result = false;
} else if ($host === '' || $host === false) {
$result = false;
} else {
try {
$resolver = $dns_resolver;
// Use different resolvers forced to use different nameservers
if ($type === DNS_DS) $resolver = $tld_dns_resolver;
if ($type === DNS_PTR) $resolver = $arpa_dns_resolver;
$query_response = $resolver->query($host, $type_string);
$result = netdns2_to_native($query_response, $type);
} catch (Net_DNS2_Exception $e) {
// Skip
$error_message = $e->getMessage();
if (str_contains($error_message, 'The name server refuses to perform the specified operation for policy reasons.')) {
// Try again, wait 50ms
// usleep(50 * 1000);
sleep(1);
try {
$query_response = $resolver->query($host, $type_string);
$result = netdns2_to_native($query_response, $type);
} catch (Net_DNS2_Exception $e) {
// Skip
$error_message2 = $e->getMessage();
error_log("get_dns_record()3: " . $host . ', ' . $type_string . ', ' . $error_message2);
// Bail, just use built-in and kill the erroneous TTL
$result = dns_get_record($host, $type);
}
} else if (!str_contains($error_message, 'The domain name referenced in the query does not exist') && $type !== DNS_DNSKEY && $type !== DNS_DS) {
error_log("get_dns_record()1: " . $host . ', ' . $type_string);
error_log("get_dns_record()2: " . $error_message);
// Bail, just use built-in and kill the erroneous TTL
$result = dns_get_record($host, $type);
if (isset($result[0])) $result[0]['ttl'] = 999;
} else {
$result = false;
}
}
}
// error_log(print_r($result, true));
// TXT maps to CNAME, fix it
foreach ($result as &$record) {
if ((DNS_TXT === $type || DNS_A === $type) && $host !== $record['host']) {
$record['cname'] = $record['host'];
$record['host'] = $host;
}
}
// If it fails, just skip it
if (is_bool($result)) $result = [];
$dns_cache[$host][$type] = $result;
$dns_count++;
}
return $dns_cache[$host][$type];
}
function get_clean_domain($url)
{
if (strlen($url) <= 0) die("get_clean_domain - Invalid URL passed");
if (substr($url, 0, 4) === 'http') {
$parse = parse_url($url, PHP_URL_HOST);
return str_replace('_', '', $parse);
}
// Remove folders
$parts = explode('/', $url);
while (count($parts) > 1) {
array_pop($parts);
}
$url = $parts[0];
return $url;
}
function get_root_domain($url)
{
$parts = explode('.', $url);
$min_parts = 2;
// If like .co.uk, then leave 3 parts instead of 2
if (preg_match('/\.[^\.]{2}\.[^\.]{2}$/g', $url) == true) {
$min_parts = 3;
}
while (count($parts) > $min_parts) {
array_shift($parts);
}
$url = implode('.', $parts);
return $url;
}
function get_tld($domain2)
{
global $domain;
if (strlen($domain2) <= 0) die("get_tld - Invalid domain passed $domain");
$parts = explode('.', $domain2);
// return '.' . $parts[count($parts) - 1];
return $parts[count($parts) - 1] . '.';
}
function whois_request($hostname, $server)
{
$fp = fsockopen($server, 43, $errno, $errstr, 10);
$tld = get_tld($hostname);
// Connection refused
if (!$fp) {
$errstr = str_replace(array("\r", "\n"), "", $errstr);
error_log("WhoIs error: $errstr ($errno)");
return '';
}
// The data we're sending
// if (($tld === '.com' || $tld === '.net')) {
// // SO far only verisign uses this command, others fail to work
// $out = "={$hostname}\r\n";
// } else {
/*
This domain cannot be registered because it contravenes the Nominet UK naming rules.
The reason is: Domain names may only comprise the characters A-Z, a-z, 0-9, hyphen (-) and dot (.)..
*/
$out = "{$hostname}\r\n";
// }
$whois = '';
// Send the data
fwrite($fp, $out);
// Listen for data and "append" all the bits of information to
// our result variable until the data stream is finished
// Simple: "give me all the data and tell me when you've reached the end"
while (!feof($fp)) {
$whois .= fgets($fp, 128);
}
// Close the Socket Connection
fclose($fp);
return $whois;
}
function get_whois($domain)
{
global $errors;
$debug = false;
// https://www.iana.org/help/whois
if ($debug) error_log($domain . ' whois.iana.org');
$whois = whois_request($domain, 'whois.iana.org');
// if ($debug) error_log($whois);
// Check TLD whois
if (preg_match_all("/^\s*refer:\s+(.+)$/m", $whois, $matches) > 0) {
$whois_server = $matches[1][0];
if ($debug) error_log($domain . ' ' . $whois_server);
$whois = whois_request($domain, $whois_server);
if ($debug) error_log($whois);
// If something like co.uk
if (preg_match_all("/^\s*refer:\s+(.+)$/m", $whois, $matches) > 0) {
$whois_server = $matches[1][0];
$whois = whois_request($domain, $whois_server);
if ($debug) error_log($whois);
return $whois;
} else {
return $whois;
}
}
return '';
}
function get_nameservers($whois)
{
// Name Server: ns1.dnszone7.com
// Name Server: ns2.dnszone7.com
if (preg_match_all("/^\s*Name Server: (.+)$/m", $whois, $matches) == true) {
return $matches[1];
}
// Try to handle multiline nameservers
if (preg_match_all("/^\s*Name Servers?:\s*(.+)$/m", $whois, $matches) == true) {
return $matches[1];
}
// UK WhoIs formatted differently
// Name servers:
// ns1.onetouchdns.co.uk 151.236.44.146
// ns2.onetouchdns.co.uk 92.48.76.242
if (preg_match_all("/^\s+Name servers?:\r\n\s+([^\s]+)\s{5}[^\s]+\r\n\s+([^\s]+)\s{5}[^\s]+\r\n/m", $whois, $matches) == true) {
return [$matches[1], $matches[2]];
}
return 'Unknown';
}
function get_expiration($whois)
{
$line_breaks = array("\r", "\n");
$result = 'Unknown';
if (preg_match_all("/^\s*Registry Expiry Date: (.+)$/m", $whois, $matches) > 0) {
$result = $matches[1][0];
}
if (preg_match_all("/^\s*Expiration Date: (.+)$/m", $whois, $matches) > 0) {
$result = $matches[1][0];
}
if (preg_match_all("/^\s*Domain expires: (.+)$/m", $whois, $matches) > 0) {
$result = $matches[1][0];
}
if (preg_match_all("/^\s*Domain Expiration Date: (.+)$/m", $whois, $matches) > 0) {
$result = $matches[1][0];
}
if (preg_match_all("/^\s*Registrar Registration Expiration Date: (.+)$/m", $whois, $matches) > 0) {
$result = $matches[1][0];
}
if (preg_match_all("/^\s*Expiry date:?\s+(.+)$/m", $whois, $matches) > 0) {
$result = $matches[1][0];
}
if ('Unknown' === $result) return $result;
// Clean it up
$result = str_replace($line_breaks, "", $result);
return $result;
}
function to_date_format($date)
{
$parts = date_parse($date);
return $parts['month'] . '/' . $parts['day'] . '/' . $parts['year'];
}
function get_registrar($whois)
{
$result = $company = 'Unknown';
if (preg_match_all("/^\s*Registrar: (.+)$/m", $whois, $matches) == true) {
$result = $company = $matches[1][0];
}
if ($company === 'Unknown' && preg_match_all("/^\s*Sponsoring Registrar: (.+)$/m", $whois, $matches) == true) {
$result = $company = $matches[1][0];
}
// UK format
// Registrar:
// 123-Reg Limited t/a 123-reg [Tag = 123-REG]
// URL: http://www.123-reg.co.uk
if ($company === 'Unknown' && preg_match_all("/^\s+Registrar:\r\n\s+([^\r\n]+)\r\n/m", $whois, $matches) == true) {
$result = $company = $matches[1][0];
}
// Standardize company name
$lower_company = strtolower($company);
if (strpos($lower_company, 'godaddy') !== false) {
$company = 'GoDaddy';
} elseif (strpos($lower_company, 'google') !== false) {
$company = 'Google Domains (Squarespace)';
} elseif (strpos($lower_company, 'register.com') !== false) {
$company = 'Register.com';
} elseif (strpos($lower_company, 'wild west domains') !== false) {
$company = 'Wild West Domains (GoDaddy)';
} elseif (strpos($lower_company, 'automattic') !== false) {
$company = 'WordPress.com';
} elseif (strpos($lower_company, 'network solutions') !== false) {
$company = 'Network Solutions';
} elseif (strpos($lower_company, 'enom') !== false) {
$company = 'eNom (Tucows)';
} elseif (strpos($lower_company, 'ionos') !== false) {
$company = 'IONOS by 1&1 Internet';
} elseif (strpos($lower_company, 'tucows') !== false) {
$company = 'Tucows';
}
// Get URL
if (preg_match_all("/^\s*Registrar URL: (.+)$/m", $whois, $matches) == true) {
$registrar_url = $matches[1][0];
if (strpos($registrar_url, 'http') === false) {
$registrar_url = 'http://' . $registrar_url;
}
$result = '<a href="' . $registrar_url . '" target="_blank">' . $company . '</a>';
}
// UK Format
if (preg_match_all("/^\s+Registrar:\r\n.+\r\n\s+URL:\s+([^\r\n]+)\r\n/m", $whois, $matches) == true) {
$registrar_url = $matches[1][0];
if (strpos($registrar_url, 'http') === false) {
$registrar_url = 'http://' . $registrar_url;
}
$result = '<a href="' . $registrar_url . '" target="_blank">' . $company . '</a>';
}
return $result;
}
function get_contact($whois)
{
$result = $name = 'Unknown';
if (empty($whois)) $whois = '';
if (preg_match_all("/^\s*Registrant Name:?\s+(.+)$/m", $whois, $matches) > 0) {
// error_log(print_r($matches[1], true));
$result = $name = $matches[1][0];
}
// UK format
// Registrant:
// C Henson
if ($name === 'Unknown' && preg_match_all("/^\s+Registrant:?\r\n\s+([^\r\n]+)\r\n/m", $whois, $matches) > 0) {
// error_log(print_r($matches, true));
$result = $name = $matches[1][0];
}
// error_log(print_r($whois, true));
if (preg_match_all("/^\s*Registrant Email:?\s+(.+)$/m", $whois, $matches) > 0) {
$email = trim($matches[1][0]);
$result = filter_var($email, FILTER_VALIDATE_EMAIL) ? "<a href=\"mailto:{$email}\" >{$name}</a>" : $name;
}
return $result;
}
function get_dnssec($whois)
{
if (preg_match_all("/^\s*DNSSEC:?\s+(.+)$/m", $whois, $matches) == true) {
return $matches[1][0];
}
return 'Unknown';
}
function get_spf($records)
{
if ($records === false) {
return false;
}
$spf = false;
foreach ($records as $record) {
if (isset($record['entries'])) $record['txt'] = implode('', $record['entries']);
if (isset($record['txt']) && strpos($record['txt'], 'v=spf') !== false) {
if ($spf === false) $spf = [];
$result = [];
$result['raw'] = trim($record['txt']);
$parts = explode(' ', $result['raw']);
$result['pass'] = [];
$result['fail'] = [];
$result['softfail'] = [];
$result['neutral'] = [];
array_shift($parts); // remove v=spf1
foreach ($parts as $part) {
if (str_starts_with($part, '+') !== false) {
$result['pass'][] = $part;
} elseif (str_starts_with($part, '-') !== false) {
$result['fail'][] = $part;
} elseif (str_starts_with($part, '~') !== false) {
$result['softfail'][] = $part;
} else {
if (strpos($part, '=') !== false && (strpos($part, 'exp=') === false || strpos($part, 'redirect=') === false)) {
// SKip, not a valid SPF command
} else {
$result['neutral'][] = $part;
}
}
}
$spf[] = $result;
}
}
return $spf;
}
function get_dkim_single($selector, $domain)
{
// get_dns_record('google._domainkey.' . $domain, DNS_TXT)
$host = sprintf('%s._domainkey.%s', $selector, $domain);
// error_log($host);
$dkim = false;
// Check TXT records
$txt_records = get_dns_record($host, DNS_TXT);
// error_log(print_r($txt_records, true));
foreach ($txt_records as $record) {
// Did we get a CNAME instead?
// if (isset($record['target'])) {
// $txt_records = get_dns_record($record['target'], DNS_TXT);
// }
if (isset($record['entries'])) $record['txt'] = implode('', $record['entries']);
// Sometimes they don't have v=DKIM
if (strpos($record['txt'] ?? '', 'v=DKIM') !== false || strpos($record['txt'] ?? '', 'k=rsa') !== false) {
if ($dkim === false) $dkim = [];
$result = [];
$result['host'] = $host;
// Some services like SendGrid will return a CNAME if you ask for TXT in order
// to map it dynamically
if (isset($record['target'])) $result['cname'] = $record['target'];
$result['raw'] = $record;
$parts = explode(';', trim($record['txt']));
foreach ($parts as $part) {
// Undefined offset: 1 in /home/mariani/public_html/projects/dns/index.php on line 457
// if (strlen($part) > 0) {
if (strlen($part) > 0 && str_contains($part, '=')) {
list($key, $val) = explode('=', trim($part), 2);
$result[$key] = $val;
}
}
$result['public_key'] = sprintf("-----BEGIN PUBLIC KEY-----\n%s\n-----END PUBLIC KEY-----", wordwrap($result['p'], 64, "\n", true));
$keyres = openssl_pkey_get_public($result['public_key']);
$key = $keyres ? openssl_pkey_get_details($keyres) : false;
$result['key_bits'] = $key ? ($key['bits'] ?? '?') : '?';
// If RSA http://php.net/manual/en/function.openssl-pkey-get-details.php
//$result['key_modulus'] = $key['n'];
//$result['key_public_exponent'] = $key['e'];
$dkim[] = $result;
}
}
if ($txt_records === false) return false;
return $dkim;
}
function get_dkim($domain)
{
$dkims = [
get_dkim_single('default', $domain),
get_dkim_single('google', $domain),
get_dkim_single('ga1', $domain),
get_dkim_single('selector1', $domain),
get_dkim_single('selector2', $domain),
get_dkim_single('smtp', $domain),
get_dkim_single('k1', $domain),
get_dkim_single('k2', $domain),
get_dkim_single('k3', $domain),
get_dkim_single('cm', $domain),
get_dkim_single('x', $domain),
get_dkim_single('smtp', $domain),
get_dkim_single('turbo-smtp', $domain),
get_dkim_single('s1', $domain),
get_dkim_single('s2', $domain),
get_dkim_single('smt', $domain),
get_dkim_single('smt2', $domain),
get_dkim_single('m1', $domain),
get_dkim_single('smtpapi', $domain),
get_dkim_single('hs1', $domain),
get_dkim_single('hs2', $domain),
];
// All results are false
$dkim_result_count = 0;
foreach ($dkims as $dkim) {
if ($dkim === false) $dkim_result_count++;
}
if ($dkim_result_count === count($dkims)) {
return false;
}
$dkim_result = [];
foreach ($dkims as $dkim) {
if ($dkim) $dkim_result = array_merge($dkim_result, $dkim);
}
return $dkim_result;
}
function has_ssl($domain)
{
$stream = stream_context_create(array('ssl' => array('capture_peer_cert' => true)));
$socket = stream_socket_client("ssl://{$domain}:443", $error_code, $error_message, 10, STREAM_CLIENT_CONNECT, $stream);
// If we got a ssl certificate we check here, if the certificate domain
// matches the website domain.
// On success a stream resource is returned, false on failure.
if ($socket) {
$cont = stream_context_get_params($socket);
$cert_resource = $cont['options']['ssl']['peer_certificate'];
return $cert_resource;
}
// No SSL
// error_log("has_ssl()1: Error {$domain}, code {$error_code}");
// error_log("has_ssl()2: " . print_r($error_message, true));
return false;
}
function get_dmarc($domain)
{
$host = sprintf('_dmarc.%s', $domain);
$records = get_dns_record($host, DNS_TXT);
if ($records === false) {
return false;
}
// "v=DMARC1;p=reject;pct=100;rua=mailto:postmaster@dmarcdomain.com"
$dmarc = false;
foreach ($records as $record) {
if (isset($record['entries'])) $record['txt'] = implode('', $record['entries']);
if (strpos($record['txt'], 'v=DMARC') !== false) {
if ($dmarc === false) $dmarc = [];
$result = [];
$result['raw'] = $record;
$parts = explode(';', trim($record['txt']));
foreach ($parts as $part) {
if (strlen($part) > 0) {
list($key, $val) = explode('=', trim($part), 2);
$result[$key] = $val;
if ($key === 'rua' || $key === 'ruf') {
$result[$key] = str_replace('mailto:', '', $result[$key]);
}
if ($key === 'adkim' || $key === 'aspf') {
if ($result[$key] === 'r') $result[$key] = "Relaxed Mode";
if ($result[$key] === 's') $result[$key] = "Strict Mode";
}
}
}
$dmarc[] = $result;
}
}
return $dmarc;
}
function get_arin($ip)
{
global $arin_count, $errors;
$result = [];
// Invalid IP
if (false === $ip) return false;
// create a new cURL resource
$ch = curl_init();
// set URL and other appropriate options
curl_setopt($ch, CURLOPT_URL, 'http://whois.arin.net/rest/ip/' . $ip);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
curl_setopt($ch, CURLOPT_TIMEOUT, 15); //timeout in seconds
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json'));
// execute
$curl_result = curl_exec($ch);
// error_log($curl_result);
$result['raw_id'] = json_decode($curl_result);
$arin_count++;
if (isset($result['raw_id']->net->orgRef)) {
$result['customer_handle'] = $result['raw_id']->net->orgRef->{'@handle'};
$org_url = 'http://whois.arin.net/rest/org/' . $result['customer_handle'];
} elseif (isset($result['raw_id']->net->customerRef)) {
$result['customer_handle'] = $result['raw_id']->net->customerRef->{'@handle'};
$org_url = 'http://whois.arin.net/rest/customer/' . $result['customer_handle'];
}
if (isset($result['raw_id']->net->orgRef)) {
$result['customer_link'] = $result['raw_id']->net->orgRef->{'$'};
} elseif (isset($result['raw_id']->net->customerRef)) {
$result['customer_link'] = $result['raw_id']->net->customerRef->{'$'};
//'https://whois.arin.net/rest/org/MSFT
// 'http://whois.arin.net/rest/org/' . $result['customer_handle'];
}
if (isset($result['raw_id']->net->orgRef)) {
$result['customer_name'] = $result['raw_id']->net->orgRef->{'@name'};
$org_customer = 'org';
} elseif (isset($result['raw_id']->net->customerRef)) {
$result['customer_name'] = $result['raw_id']->net->customerRef->{'@name'};
$org_customer = 'customer';
}
$result['name'] = $result['raw_id']->net->name->{'$'};
$result['start_address'] = $result['raw_id']->net->startAddress->{'$'};
$result['end_address'] = $result['raw_id']->net->endAddress->{'$'};
$result['update_date'] = $result['raw_id']->net->updateDate->{'$'};
$result['registration_date'] = $result['raw_id']->net->registrationDate->{'$'};
$netblock_data = $result['raw_id']->net->netBlocks->netBlock;
$result['net_block'] = [];
if (is_array($netblock_data)) {
foreach ($netblock_data as $netblock) {
$result['net_block'][] = array(
'start_address' => $netblock->startAddress->{'$'},
'end_address' => $netblock->endAddress->{'$'},
'cidr_length' => $netblock->cidrLength->{'$'},
'description' => $netblock->description->{'$'},
'type' => $netblock->type->{'$'}
);
}
} else {
$result['net_block'][] = array(
'start_address' => $netblock_data->startAddress->{'$'},
'end_address' => $netblock_data->endAddress->{'$'},
'cidr_length' => $netblock_data->cidrLength->{'$'},
'description' => $netblock_data->description->{'$'},
'type' => $netblock_data->type->{'$'}
);
}
// set URL and other appropriate options
curl_setopt($ch, CURLOPT_URL, 'http://whois.arin.net/rest/' . $org_customer . '/' . $result['customer_handle']);
//curl_setopt( $ch, CURLOPT_URL, $result['customer_link'] );
// execute
$result['raw_customer'] = json_decode(curl_exec($ch));
$arin_count++;
$result['customer_city'] = $result['raw_customer']->{$org_customer}->city->{'$'};
$result['customer_postal_code'] = $result['raw_customer']->{$org_customer}->postalCode->{'$'};
if (is_array($result['raw_customer']->{$org_customer}->streetAddress->line)) {
$streetAddress = [];
foreach ($result['raw_customer']->{$org_customer}->streetAddress->line as $line) {
$streetAddress[] = $line->{'$'};
}
$result['customer_street_address'] = implode("<br>", $streetAddress);
} else {
$result['customer_street_address'] = $result['raw_customer']->{$org_customer}->streetAddress->line->{'$'};
}
$result['customer_state'] = isset($result['raw_customer']->{$org_customer}->{"iso3166-2"}) ? $result['raw_customer']->{$org_customer}->{"iso3166-2"}->{'$'} : '';
$result['customer_country'] = $result['raw_customer']->{$org_customer}->{"iso3166-1"}->name->{'$'};
// close cURL resource, and free up system resources
curl_close($ch);
return $result;
}
// This endpoint is limited to 45 requests per minute from an IP address.
// If you go over the limit your requests will be throttled (HTTP 429)
// until your rate limit window is reset. If you constantly go over the limit
// your IP address will be banned for 1 hour.
// https://ip-api.com/docs/api:json
function geo_lookup_ip_api($ip)
{
$ipinfo_url = "http://ip-api.com/json/{$ip}";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $ipinfo_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
curl_setopt($ch, CURLOPT_TIMEOUT, 5); //timeout in seconds
curl_setopt($ch, CURLOPT_HEADER, 1);
$response = curl_exec($ch);
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($response, 0, $header_size);
$body = substr($response, $header_size);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if (intval($http_code, 10) === 429) {
// error_log("geo_lookup_ip_api(): Rate Limit " . print_r($body, true));
return false;
}
$json_result = json_decode($body);
if ($json_result->status === 'fail') {
/*echo '<pre>';
var_dump($body);
echo '</pre>';*/
// $errors[] = "GeoLocate: Error<br><pre>" . print_r($body, true) . '</pre>';
if (!empty($body)) error_log("geo_lookup_ip_api(): Error - " . print_r($body, true));
return false;
}
$json_result->ip = $json_result->query;
$json_result->loc = $json_result->lat . ',' . $json_result->lon;
$json_result->hostname = get_host_by_ip($ip); //'Unknown (' . $json_result->isp . ')';
return $json_result;
}
// Free usage of our API is limited to 50,000 API requests per month.
// If you exceed that limit, we'll return a 429 HTTP status code to you.
// https://ipinfo.io/developers#rate-limits
// https://ipinfo.io/developers/data-types#geolocation-data
function geo_lookup_ipinfo($ip)
{
// Token is limited to this server
$token = $_ENV['IP_INFO'];
$ipinfo_url = "http://ipinfo.io/{$ip}?token={$token}";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $ipinfo_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
curl_setopt($ch, CURLOPT_TIMEOUT, 5); //timeout in seconds
curl_setopt($ch, CURLOPT_HEADER, 1);
$response = curl_exec($ch);
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($response, 0, $header_size);
$body = substr($response, $header_size);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if (intval($http_code, 10) === 429) {
error_log("geo_lookup_ipinfo(): Rate Limit " . print_r($body, true));
return false;
}
return json_decode($body);
}
// Keycdn
// We are rate limiting requests (3r/s) to avoid overload of the system.
// Please note that the use of this service requires a link back in your
// project: [IP Location Finder by KeyCDN](https://tools.keycdn.com/geo)
// It is required to set the request header User-Agent in the format
// keycdn-tools:https?://.*, which must include the website you are using
// the API for. Missing attributions or invalid values will be blocked.
// https://tools.keycdn.com/geo
function geo_lookup_keycdn($ip)
{
$ipinfo_url = "https://tools.keycdn.com/geo.json?host={$ip}";