YPDNS IP updater

ypdns.php

#!/usr/bin/php5
<?php
class AUpdater {

	private $cookies;
	private $credentials = array(
		'username' => '...',
		'password' => '...',
		'mysubmit' => 'Sign+In'
	);

	private $domain_id = array(
		'example.com' => 1234
	);
	private $A_id = array(
		1234 => 12345
	);

	public function login() {
		$result = self::curl(
			'https://host.ypdns.com/login_up.php',
			$this->credentials, null, true, false, 
			'http://www.ypdns.com/'
		);
		$this->cookies = self::fetchCookies($result);
	}

	public function logout() {
		$result = self::curl(
			'https://host.ypdns.com/login_up.php?action=logout',
			null, $this->cookies, true, false,
			'http://www.ypdns.com/'
		);
		$this->cookies = self::fetchCookies($result);
	}

	public function isAuthorized() {
		return stripos($this->cookies, 'dnsmanager') !== false;
	}

	public function update($domain, $ip) {
		$record_id = $this->A_id[$this->domain_id[$domain]];
		$domain_id = $this->domain_id[$domain];
		$parts = explode('.', $domain);
		$data = array(
			'dns_template_record_form_cmd' => 1,
			'dns_entry_type' => 'A',
			'prev_record_type' => 'A',
			'host_hidden' => '',
			'opt' => '',
			'last_mask' => 0,
			'id' => $record_id,
			'status' => 1,
			'host' => count($parts) > 2 ? $parts[0] : '',
			'entry_value' => $ip
		);
		$result = self::curl(
			'https://host.ypdns.com/content.php?screen=zone/zone_record_edit&id=' .
			$record_id . '&dns_record_type=A&domain_id=' . $domain_id,
			$data, $this->cookies, true
		);
	}

	public function updateAll($ip) {
		foreach($this->domain_id as $domain=>$id) {
			$this->update($domain, $ip);
		}
	}

	protected static function fetchCookies($str) {
		preg_match_all('#Set-Cookie:\s([\S]+?);#i', $str, $gets);
		return join(';', $gets[1]);
	}

	protected static function curl($get, $post = '', $cookies = '', $getHead = false, $getBody = true, $referer = '') {
		$cl = curl_init($get);
		if (empty($referer)) {
			$referer = explode($get, '?');
			$referer = $referer[0];
		}
		curl_setopt($cl, CURLOPT_HTTPHEADER, array('Expect:'));
		curl_setopt($cl, CURLOPT_COOKIESESSION, true);
		curl_setopt($cl, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($cl, CURLOPT_HEADER, $getHead);
		curl_setopt($cl, CURLOPT_NOBODY, !$getBody);
		curl_setopt($cl, CURLOPT_COOKIE, $cookies);
		curl_setopt($cl, CURLOPT_REFERER, $referer);
		curl_setopt($cl, CURLOPT_FOLLOWLOCATION, false);
		curl_setopt($cl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.9.2.11) Gecko/20101012 Firefox/3.6.11');
		curl_setopt ($cl, CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt ($cl, CURLOPT_SSL_VERIFYHOST, false);
		if ($post) {
			curl_setopt($cl, CURLOPT_POST, true);
			curl_setopt($cl, CURLOPT_POSTFIELDS, $post);
		}
		$line = curl_exec($cl);
		if ($line === false) {
			echo curl_error($cl);
		}
		curl_close($cl);
		return $line;
	}
}

$update_all = true;
if ($argc < 2) {
	exit('Not enough arguments');
}
$ip = array_pop($argv);

$updater = new AUpdater();
$updater->login();
if ($update_all) {
	$updater->updateAll($ip);
}
$updater->logout();
?>