dir/include/rockstar.php

<?php

//Startup.
require_once 'boot.php';

use Friendica\Directory\App;

$a = new App;

@include(".htconfig.php");
require_once 'dba.php';

$db = new dba($db_host, $db_user, $db_pass, $db_data, $install);

unset($db_host, $db_user, $db_pass, $db_data);

require_once 'datetime.php';

$a->set_baseurl(get_config('system', 'url'));

$u = q("SELECT * FROM `user` WHERE 1 LIMIT 1");

if (!count($u)) {
	killme();
}

$uid = $u[0]['uid'];
$nickname = $u[0]['nickname'];

$intros = q("SELECT `intro`.*, `intro`.`id` AS `intro_id`, `contact`.*
		FROM `intro` LEFT JOIN `contact` ON `contact`.`id` = `intro`.`contact-id`
		WHERE `intro`.`blocked` = 0 AND `intro`.`ignore` = 0");

if (!count($intros)) {
	return;
}

foreach ($intros as $intro) {
	$intro_id = intval($intro['intro_id']);

	$dfrn_id = $intro['issued-id'];
	$contact_id = $intro['contact-id'];
	$relation = $intro['rel'];
	$site_pubkey = $intro['site-pubkey'];
	$dfrn_confirm = $intro['confirm'];
	$aes_allow = $intro['aes_allow'];

	$res = openssl_pkey_new(array(
		'digest_alg' => 'whirlpool',
		'private_key_bits' => 4096,
		'encrypt_key' => false));

	$private_key = '';

	openssl_pkey_export($res, $private_key);

	$pubkey = openssl_pkey_get_details($res);
	$public_key = $pubkey["key"];

	$r = q("UPDATE `contact` SET `issued-pubkey` = '%s', `prvkey` = '%s' WHERE `id` = %d LIMIT 1",
		dbesc($public_key),
		dbesc($private_key),
		intval($contact_id)
	);

	$params = array();

	$src_aes_key = random_string();
	$result = "";

	openssl_private_encrypt($dfrn_id, $result, $u[0]['prvkey']);

	$params['dfrn_id'] = $result;
	$params['public_key'] = $public_key;

	$my_url = $a->get_baseurl() . '/profile/' . $nickname;

	openssl_public_encrypt($my_url, $params['source_url'], $site_pubkey);

	if ($aes_allow && function_exists('openssl_encrypt')) {
		openssl_public_encrypt($src_aes_key, $params['aes_key'], $site_pubkey);
		$params['public_key'] = openssl_encrypt($public_key, 'AES-256-CBC', $src_aes_key);
	}

	$res = post_url($dfrn_confirm, $params);

	$xml = simplexml_load_string($res);
	$status = (int) $xml->status;
	switch ($status) {
		case 0:
			break;
		case 1:
			// birthday paradox - generate new dfrn-id and fall through.
			$new_dfrn_id = random_string();
			$r = q("UPDATE contact SET `issued-id` = '%s' WHERE `id` = %d LIMIT 1",
				dbesc($new_dfrn_id),
				intval($contact_id)
			);
		case 2:
			break;

		case 3:
		default:
			break;
	}

	if (($status == 0 || $status == 3) && ($intro_id)) {
		// delete the notification
		$r = q("DELETE FROM `intro` WHERE `id` = %d LIMIT 1", intval($intro_id));
	}

	if ($status != 0) {
		killme();
	}

	require_once 'Photo.php';

	$photo_failure = false;

	$filename = basename($intro['photo']);
	$img_str = fetch_url($intro['photo'], true);
	$img = new Photo($img_str);

	if ($img) {
		$img->scaleImageSquare(175);
		$hash = hash('md5', uniqid(mt_rand(), true));

		$r = $img->store($contact_id, $hash, $filename, t('Contact Photos'), 4);

		if ($r === false) {
			$photo_failure = true;
		}
		$img->scaleImage(80);

		$r = $img->store($contact_id, $hash, $filename, t('Contact Photos'), 5);

		if ($r === false) {
			$photo_failure = true;
		}

		$photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
		$thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
	} else {
		$photo_failure = true;
	}

	if ($photo_failure) {
		$photo = $a->get_baseurl() . '/images/default-profile.jpg';
		$thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
	}

	$r = q("UPDATE `contact` SET `photo` = '%s', `thumb` = '%s', `rel` = %d,
			`name-date` = '%s', `uri-date` = '%s', `avatar-date` = '%s',
			`readonly` = %d, `profile-id` = %d, `blocked` = 0, `pending` = 0,
			`network` = 'dfrn' WHERE `id` = %d LIMIT 1",
		dbesc($photo),
		dbesc($thumb),
		intval(($relation == DIRECTION_OUT) ? DIRECTION_BOTH : DIRECTION_IN),
		dbesc(datetime_convert()),
		dbesc(datetime_convert()),
		dbesc(datetime_convert()),
		intval((x($a->config, 'rockstar-readonly')) ? $a->config['rockstar-readonly'] : 0),
		intval((x($a->config, 'rockstar-profile')) ? $a->config['rockstar-profile'] : 0),
		intval($contact_id)
	);
}
killme();