74 lines
2.5 KiB
PHP
74 lines
2.5 KiB
PHP
<?php
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namespace MailPoet\Subscription;
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use MailPoet\Entities\SubscriberIPEntity;
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use MailPoet\Subscribers\SubscriberIPsRepository;
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use MailPoet\Util\Helpers;
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use MailPoet\WP\Functions as WPFunctions;
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class Throttling {
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/** @var SubscriberIPsRepository */
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private $subscriberIPsRepository;
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/** @var WPFunctions */
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private $wp;
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public function __construct(SubscriberIPsRepository $subscriberIPsRepository, WPFunctions $wp) {
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$this->wp = $wp;
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$this->subscriberIPsRepository = $subscriberIPsRepository;
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}
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public function throttle() {
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$subscriptionLimitEnabled = $this->wp->applyFilters('mailpoet_subscription_limit_enabled', true);
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$subscriptionLimitWindow = (int)$this->wp->applyFilters('mailpoet_subscription_limit_window', DAY_IN_SECONDS);
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$subscriptionLimitBase = (int)$this->wp->applyFilters('mailpoet_subscription_limit_base', MINUTE_IN_SECONDS);
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$subscriberIp = Helpers::getIP();
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if ($subscriptionLimitEnabled && !$this->wp->isUserLoggedIn()) {
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if (!empty($subscriberIp)) {
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$subscriptionCount = $this->subscriberIPsRepository->getCountByIPAndCreatedAtAfterTimeInSeconds($subscriberIp, $subscriptionLimitWindow);
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if ($subscriptionCount > 0) {
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$timeout = $subscriptionLimitBase * pow(2, $subscriptionCount - 1);
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$existingUser = $this->subscriberIPsRepository->findOneByIPAndCreatedAtAfterTimeInSeconds($subscriberIp, $timeout);
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if (!empty($existingUser)) {
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return $timeout;
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}
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}
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}
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}
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if ($subscriberIp !== null) {
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$ip = new SubscriberIPEntity($subscriberIp);
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$existingIp = $this->subscriberIPsRepository->findOneBy(['ip' => $ip->getIP(), 'createdAt' => $ip->getCreatedAt()]);
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if (!$existingIp) {
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$this->subscriberIPsRepository->persist($ip);
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$this->subscriberIPsRepository->flush();
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}
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}
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$this->purge();
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return false;
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}
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public function purge(): void {
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$interval = $this->wp->applyFilters('mailpoet_subscription_purge_window', MONTH_IN_SECONDS);
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$this->subscriberIPsRepository->deleteCreatedAtBeforeTimeInSeconds($interval);
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}
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public function secondsToTimeString($seconds): string {
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$hrs = floor($seconds / 3600);
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$min = floor($seconds % 3600 / 60);
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$sec = $seconds % 3600 % 60;
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$result = [
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'hours' => $hrs ? sprintf(__('%d hours', 'mailpoet'), $hrs) : '',
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'minutes' => $min ? sprintf(__('%d minutes', 'mailpoet'), $min) : '',
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'seconds' => $sec ? sprintf(__('%d seconds', 'mailpoet'), $sec) : '',
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];
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return join(' ', array_filter($result));
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}
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}
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