72 lines
2.2 KiB
PHP
72 lines
2.2 KiB
PHP
<?php
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namespace MailPoet\Subscription;
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use MailPoet\Models\SubscriberIP;
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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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static function throttle() {
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$wp = new WPFunctions;
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$subscription_limit_enabled = $wp->applyFilters('mailpoet_subscription_limit_enabled', true);
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$subscription_limit_window = $wp->applyFilters('mailpoet_subscription_limit_window', DAY_IN_SECONDS);
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$subscription_limit_base = $wp->applyFilters('mailpoet_subscription_limit_base', MINUTE_IN_SECONDS);
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$subscriber_ip = Helpers::getIP();
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if ($subscription_limit_enabled && !$wp->isUserLoggedIn()) {
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if (!empty($subscriber_ip)) {
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$subscription_count = SubscriberIP::where('ip', $subscriber_ip)
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->whereRaw(
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'(`created_at` >= NOW() - INTERVAL ? SECOND)',
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[(int)$subscription_limit_window]
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)->count();
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if ($subscription_count > 0) {
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$timeout = $subscription_limit_base * pow(2, $subscription_count - 1);
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$existing_user = SubscriberIP::where('ip', $subscriber_ip)
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->whereRaw(
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'(`created_at` >= NOW() - INTERVAL ? SECOND)',
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[(int)$timeout]
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)->findOne();
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if (!empty($existing_user)) {
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return $timeout;
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}
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}
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}
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}
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$ip = SubscriberIP::create();
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$ip->ip = $subscriber_ip;
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$ip->save();
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self::purge();
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return false;
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}
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static function purge() {
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$wp = new WPFunctions;
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$interval = $wp->applyFilters('mailpoet_subscription_purge_window', MONTH_IN_SECONDS);
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return SubscriberIP::whereRaw(
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'(`created_at` < NOW() - INTERVAL ? SECOND)',
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[$interval]
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)->deleteMany();
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}
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static function secondsToTimeString($seconds) {
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$wp = new WPFunctions;
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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' => $hrs ? sprintf($wp->__('%d hours', 'mailpoet'), $hrs) : '',
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'minutes' => $min ? sprintf($wp->__('%d minutes', 'mailpoet'), $min) : '',
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'seconds' => $sec ? sprintf($wp->__('%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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