Simple PHP script to connect to Hikvision notification API

hikvision.php

<?php

// Composer dependencies:
// composer require amphp/socket amphp/byte-stream

// IMPORTANT: Go to System > Security -> Authentication tab, set "WEB Authentication" to "digest/basic" first!!!
// Otherwise you will get authentication errors

require __DIR__ . '/vendor/autoload.php';

use Amp\Loop;
use Amp\Socket\ClientTlsContext;
use Amp\Socket\ConnectContext;
use function Amp\Socket\connect;

$url = "https://bar.ath.cx:409/ISAPI/Event/notification/alertStream";

Loop::run(static function () {

	$stdout = Amp\ByteStream\getStdout();

	$host = "10.10.13.49"; // ip or hostname of camera
	$port = 443; // http or https port
	$https = true; // set to false if using port 80

	$username = "username";
	$password = "password";

	// IMPORTANT: Go to System > Security -> Authentication tab, set "WEB Authentication" to "digest/basic" first!!!
	// Otherwise you will get authentication errors

	$tls = (new ClientTlsContext($host))->withoutPeerVerification();

	$connectContext = (new ConnectContext)->withTlsContext($tls);

	$socket = yield connect($host . ':' . $port, $connectContext);

	if ($https == true) {
		yield $socket->setupTls();
	}

	yield $socket->write("GET /ISAPI/Event/notification/alertStream HTTP/1.1\r\nHost: $host\r\nAuthorization: Basic " . base64_encode($username . ":" . $password) . "\r\nAccept: multipart/x-mixed-replace\r\n\r\n");

	while (null !== $chunk = yield $socket->read()) {
		if (strstr($chunk, '<eventDescription>')) {

			echo $chunk; // notification data is here
			
		}
	}

});