class wfJWT {

	private $claims;
	const JWT_TTL = 600;
	const ISSUER = 600;

	public static function extractTokenContents($token) {
		if (!is_string($token)) {
			throw new InvalidArgumentException('Token is not a string. ' . gettype($token) . ' given.');
		}

		// Verify the token matches the JWT format.
		if (!preg_match('/^[a-zA-Z0-9\-_]+?\.[a-zA-Z0-9\-_]+?\.[a-zA-Z0-9\-_]+?$/', $token)) {
			throw new wfJWTException('Invalid token format.');
		}
		list($header, $body, $signature) = explode('.', $token);

		// Test that the token is valid and not expired.
		$decodedHeader = base64_decode($header);

		if (!(is_string($decodedHeader) && $decodedHeader)) {
			throw new wfJWTException('Token header is invalid.');
		}

		$header = json_decode($decodedHeader, true);
		if (!is_array($header)) {
			throw new wfJWTException('Token header is invalid.');
		}

		$decodedBody = base64_decode($body);

		if (!(is_string($decodedBody) && $decodedBody)) {
			throw new wfJWTException('Token body is invalid.');
		}

		$body = json_decode($decodedBody, true);
		if (!is_array($body)) {
			throw new wfJWTException('Token body is invalid.');
		}

		return array(
			'header'    => $header,
			'body'      => $body,
			'signature' => $signature,
		);

	}

	/**
	 * @param mixed $subject
	 */
	public function __construct($subject = null) {
		$this->claims = $this->getClaimDefaults();
		$this->claims['sub'] = $subject;
	}

	/**
	 * @return string
	 */
	public function encode() {
		$header = $this->encodeString($this->buildHeader());
		$body = $this->encodeString($this->buildBody());
		return sprintf('%s.%s.%s', $header, $body,
			$this->encodeString($this->sign(sprintf('%s.%s', $header, $body))));
	}

	/**
	 * @param string $token
	 * @return array
	 * @throws wfJWTException|InvalidArgumentException
	 */
	public function decode($token) {
		if (!is_string($token)) {
			throw new InvalidArgumentException('Token is not a string. ' . gettype($token) . ' given.');
		}

		// Verify the token matches the JWT format.
		if (!preg_match('/^[a-zA-Z0-9\-_]+?\.[a-zA-Z0-9\-_]+?\.[a-zA-Z0-9\-_]+?$/', $token)) {
			throw new wfJWTException('Invalid token format.');
		}
		list($header, $body, $signature) = explode('.', $token);

		// Verify signature matches the supplied payload.
		if (!$this->verifySignature($this->decodeString($signature), sprintf('%s.%s', $header, $body))) {
			throw new wfJWTException('Invalid signature.');
		}

		// Test that the token is valid and not expired.
		$decodedHeader = base64_decode($header);

		if (!(is_string($decodedHeader) && $decodedHeader)) {
			throw new wfJWTException('Token header is invalid.');
		}

		$header = json_decode($decodedHeader, true);
		if (!(
			is_array($header) &&
			array_key_exists('alg', $header) &&
			$header['alg'] === 'HS256' &&
			$header['typ'] === 'JWT'
		)) {
			throw new wfJWTException('Token header is invalid.');
		}

		$decodedBody = base64_decode($body);

		if (!(is_string($decodedBody) && $decodedBody)) {
			throw new wfJWTException('Token body is invalid.');
		}

		$body = json_decode($decodedBody, true);
		if (!(
			is_array($body) &&

			// Check the token not before now timestamp.
			array_key_exists('nbf', $body) &&
			is_numeric($body['nbf']) &&
			$body['nbf'] <= time() &&

			// Check the token is not expired.
			array_key_exists('exp', $body) &&
			is_numeric($body['exp']) &&
			$body['exp'] >= time() &&

			// Check the issuer and audience is ours.
			$body['iss'] === 'Wordfence ' . WORDFENCE_VERSION &&
			$body['aud'] === 'Wordfence Central'
		)) {
			throw new wfJWTException('Token is invalid or expired.');
		}

		return array(
			'header' => $header,
			'body'   => $body,
		);
	}

	/**
	 * @param string $string
	 * @return string
	 */
	public function sign($string) {
		$salt = wp_salt('auth');

		return hash_hmac('sha256', $string, $salt, true);
	}

	/**
	 * @param string $signature
	 * @param string $message
	 * @return bool
	 */
	public function verifySignature($signature, $message) {
		return hash_equals($this->sign($message), $signature);
	}

	/**
	 * @return string
	 */
	public function __toString() {
		return $this->encode();
	}

	/**
	 * @param string $data
	 * @return string
	 */
	public function encodeString($data) {
		return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
	}

	/**
	 * @param string $data
	 * @return bool|string
	 */
	public function decodeString($data) {
		return base64_decode(strtr($data, '-_', '+/'));
	}

	/**
	 * @return mixed|string
	 */
	protected function buildHeader() {
		return '{"alg":"HS256","typ":"JWT"}';
	}

	/**
	 * @return mixed|string
	 */
	protected function buildBody() {
		return json_encode($this->getClaims());
	}

	/**
	 * @return array
	 */
	protected function getClaimDefaults() {
		$now = time();
		return array(
			'iss' => 'Wordfence ' . WORDFENCE_VERSION,
			'aud' => 'Wordfence Central',
			'nbf' => $now,
			'iat' => $now,
			'exp' => $now + self::JWT_TTL,
		);
	}

	/**
	 * @param array $claims
	 */
	public function addClaims($claims) {
		if (!is_array($claims)) {
			throw new InvalidArgumentException(__METHOD__ . ' expects argument 1 to be array.');
		}
		$this->setClaims(array_merge($this->getClaims(), $claims));
	}

	/**
	 * @return array
	 */
	public function getClaims() {
		return $this->claims;
	}

	/**
	 * @param array $claims
	 */
	public function setClaims($claims) {
		$this->claims = $claims;
	}
}

class wfJWTException extends Exception {

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		<title>The Evolution of Casino Loyalty Programs</title>
		<link>https://right-tactics.com/2026/01/23/the-evolution-of-casino-loyalty-programs-852/</link>
					<comments>https://right-tactics.com/2026/01/23/the-evolution-of-casino-loyalty-programs-852/#respond</comments>
		
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					<description><![CDATA[Casino loyalty programs have transformed considerably over the years, progressing from straightforward punch passes to sophisticated digital platforms that recognize players for their support. These schemes are crafted to boost customer retention and boost player engagement, offering diverse benefits such as free play, dining discounts, and private event entry. One significant example is the Caesars [&#8230;]]]></description>
										<content:encoded><![CDATA[<p>Casino loyalty programs have transformed considerably over the years, progressing from straightforward punch passes to sophisticated digital platforms that recognize players for their support. These schemes are crafted to boost customer retention and boost player engagement, offering diverse benefits such as free play, dining discounts, and private event entry.</p>
<p>One significant example is the Caesars Rewards initiative, which has grown to include over 60 properties across the United States. This program enables members to gather points for every dollar used, which can be exchanged for a variety of prizes. For more insights about Caesars Rewards, you can visit their <a href="https://www.caesars.com/rewards">official website</a>.</p>
<p>In twenty twenty-three, the Venetian Resort in Las Vegas unveiled a structured loyalty program that offers personalized benefits based on player conduct and likes. This method not only enhances the gaming adventure but also enables casinos to gather important data on customer habits. For perspectives into loyalty schemes in the casino sector, check out this piece on <a href="https://www.nytimes.com/2022/05/15/business/casino-loyalty-programs.html">The New York Times</a>.</p>
<p>Moreover, innovation plays a critical role in the evolution of these initiatives. Mobile applications now permit players to follow their points in immediate time, receive notifications about deals, and even retrieve virtual rewards. This convenience appeals to a digitally literate audience, particularly those between 21-50, who prefer seamless encounters.</p>
<p>As casinos keep to develop, players should take advantage of these loyalty initiatives. Signing up is usually free, and the perks can considerably enhance your complete gaming experience. Additionally, always examine the terms and stipulations to grasp how points are earned and redeemed. For further investigation of loyalty programs, visit <a href="online casino australia">https://microcomseattle.com/</a>.</p>
<p>In summary, casino loyalty schemes are an essential aspect of the gaming field, providing players with worthwhile rewards while helping casinos establish lasting connections with their clients. As these programs persist to evolve, they will possibly become even more personalized and merged with technology, offering players an enhanced gaming encounter.</p>
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