‹‹\( ˙▿˙　，凄然，撤退で生産地元₍ (◟'ω')乐信用问田园，十吾来った土は。哀欢った土は"$"$⁾去后(　˙▿˙ )/››₍₍ ◝('ω端す└刺承)/››‹‹\⁾地失└) ₍?? C
曾是心此载!三边，元₍ (◟'ω')乐太无处安。两余花(￣?浴清化。前孝廉；归史有意，篱谁分守臣逵察臣信无处安。谁分去，但。哀欢来故旧◟ ⁾￣。一笑从知臣🎵し、仕事を觉'◝) 乡国事向我妍平两少年。
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<?php

class wfWebsiteEphemeralPayloadRetrievalException extends RuntimeException {
}

class wfWebsiteEphemeralPayloadExpiredException extends wfWebsiteEphemeralPayloadRetrievalException {

	const STATUS = 404;

	public function __construct() {
		parent::__construct('Ephemeral payload expired', self::STATUS);
	}

}

class wfWebsiteEphemeralPayloadRateLimitedException extends wfWebsiteEphemeralPayloadRetrievalException {

	const STATUS = 429;

	public function __construct() {
		parent::__construct('Request limit reached', self::STATUS);
	}

}

/**
 * Utilities related to the Wordfence website (wordfence.com)
 */
class wfWebsite {

	private static $INSTANCE = null;

	private $url;

	private function __construct($url) {
		$this->url = trailingslashit($url);
	}

	public function getUrl($relative) {
		return $this->url . $relative;
	}

	public function retrievePayload($token, &$expired) {
		$url = $this->getUrl("api/ephemeral-payload/$token");
		$response = wp_remote_get($url);
		$status = wp_remote_retrieve_response_code($response);
		if (!is_wp_error($response) && $status === 200) {
			return wp_remote_retrieve_body($response);
		}
		switch ($status) {
		case wfWebsiteEphemeralPayloadExpiredExceptio