<?php
namespace MailPoet\Subscription;
if (!defined('ABSPATH')) exit;
class Blacklist {
const SALT = 'mailpoet';
private $blacklistedEmails = [
'e60c6e0e73997c92d4ceac78a6b6cbbe6249244c4106a3c31de421fc50370ecd' => 1,
'4a7fb8fba0a800ad5cf324704d3510d019586765aef6d5081fa5aed3f93d9dce' => 1,
'7151c278028263ace958b66616e69a438f23e5058a5df42ed734e9e6704f8332' => 1,
];
private $blacklistedDomains = [
'2ea570cf0c440b2ec7d6e1335108625a5f62162b2116a25c9c909dc5b54c213f' => 1,
'1e10eb32b615217baa4d8f54191891e107851a2057d1128f067f1df096896e45' => 1,
'dc2bfb04e38d3c25c8a465a5fed841a1cb1685044d12241efe01f0fc044f2182' => 1,
'f17c13fe5a1d8cd2e78a04528377cc607881ad12b6295b6fa8b6a789d1d04c10' => 1,
'813cbef72da3542e783470ecd62589bceb3883d15ab2435ec2486f9762602b8c' => 1,
];
public function __construct(
array $blacklistedEmails = null,
array $blacklistedDomains = null
) {
if ($blacklistedEmails) {
$this->blacklistedEmails = array_fill_keys(array_map([$this, 'hash'], $blacklistedEmails), 1);
}
if ($blacklistedDomains) {
$this->blacklistedDomains = array_fill_keys(array_map([$this, 'hash'], $blacklistedDomains), 1);
}
}
public function isBlacklisted($email) {
$hashedEmail = $this->hash($email);
if (isset($this->blacklistedEmails[$hashedEmail])) {
return true;
}
$emailParts = explode('@', $email);
$domain = end($emailParts);
$hashedDomain = $this->hash($domain);
return isset($this->blacklistedDomains[$hashedDomain]);
}
private function hash($key) {
return hash('sha256', $key . self::SALT);
}
}