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Current File : /var/www/html/higroup/wp-content/plugins/event-tickets/src/Tribe/Commerce/PayPal/Handler/IPN.php

<?php

class Tribe__Tickets__Commerce__PayPal__Handler__IPN implements Tribe__Tickets__Commerce__PayPal__Handler__Interface {

	/**
	 * Set up hooks for IPN transaction communication
	 *
	 * @since 4.7
	 */
	public function hook() {
		add_action( 'template_redirect', array( $this, 'check_response' ) );
	}

	/**
	 * Checks the request to see if payment data was communicated
	 *
	 * @since 4.7
	 */
	public function check_response() {
		if ( empty( $_POST ) || ! isset( $_POST['txn_id'], $_POST['payer_email'] ) ) {
			return;
		}

		if ( ! $this->validate_transaction() ) {
			return;
		}

		/** @var Tribe__Tickets__Commerce__PayPal__Main $paypal */
		$paypal  = tribe( 'tickets.commerce.paypal' );
		/** @var Tribe__Tickets__Commerce__PayPal__Gateway $gateway */
		$gateway = tribe( 'tickets.commerce.paypal.gateway' );

		$data = wp_unslash( $_POST );

		$gateway->set_raw_transaction_data( $data );

		$results = $gateway->parse_transaction( $data );
		$gateway->set_transaction_data( $results );

		$payment_status = trim( strtolower( $data['payment_status'] ) );

		/** @var Tribe__Tickets__Commerce__PayPal__Stati $stati */
		$stati = tribe( 'tickets.commerce.paypal.stati' );

		if ( $stati->is_complete_transaction_status( $payment_status ) ) {
			// since the purchase has completed, reset the invoice number
			$gateway->reset_invoice_number();
		}

		$paypal->generate_tickets( $payment_status, false );
	}

	/**
	 * Validates a PayPal transaction ensuring that it is authentic
	 *
	 * @since 4.7
	 *
	 * @param string $transaction
	 *
	 * @return bool
	 */
	public function validate_transaction( $transaction = null ) {
		/**
		 * Allows short-circuiting the validation of a transaction with the PayPal server.
		 *
		 * Returning a non `null` value in  this will prevent any request for validation to
		 * the PayPal server from being sent.
		 *
		 * @since 4.7
		 *
		 * @param bool       $validated
		 * @param array|null $transaction The transaction data if available; the transaction data
		 *                                might be in the $_POST superglobal.
		 */
		$validated = apply_filters( 'tribe_tickets_commerce_paypal_validate_transaction', null, $transaction );

		if ( null !== $validated ) {
			return $validated;
		}

		$gateway = tribe( 'tickets.commerce.paypal.gateway' );

		$body        = wp_unslash( $_POST );
		$body['cmd'] = '_notify-validate';

		$args = array(
			'body'        => $body,
			'httpversion' => '1.1',
			'timeout'     => 60,
			'compress'    => false,
			'decompress'  => false,
			'user-agent'  => 'EventTickets/' . Tribe__Tickets__Main::VERSION,
		);

		$response = wp_safe_remote_post( $gateway->get_cart_url(), $args );

		if (
			! is_wp_error( $response )
			&& 200 <= $response['response']['code']
			&& 300 > $response['response']['code']
			&& strstr( $response['body'], 'VERIFIED' )
		) {
			return true;
		}

		return false;
	}

	/**
	 * Returns the configuration status of the handler.
	 *
	 * @since 4.7
	 *
	 * @param string $field Which configuration status field to return, either `slug` or `label`
	 * @param string  $slug Optionally return the specified field for the specified status.
	 *
	 * @return bool|string The current, or specified, configuration status slug or label
	 *                     or `false` if the specified field or slug was not found.
	 */
	public function get_config_status( $field = 'slug', $slug = null ) {
		/**
		 * Filters whether the IPN handler is correctly configured or not.
		 *
		 * Returning a non `null` value here will short-circuit the check
		 *
		 * @since 4.7
		 *
		 * @param string                                            $config_status
		 * @param    Tribe__Tickets__Commerce__PayPal__Handler__IPN $this
		 */
		$config_status = apply_filters( 'tribe_tickets_commerce_paypal_ipn_config_status', null, $this );

		if ( null !== $config_status ) {
			return (bool) $config_status;
		}

		$config_ok = '' !== tribe_get_option( 'ticket-paypal-email', '' )
		             && 'yes' === tribe_get_option( 'ticket-paypal-ipn-enabled', 'no' )
		             && 'yes' === tribe_get_option( 'ticket-paypal-ipn-address-set', 'no' );

		$map = array(
			'complete'   => array(
				'label' => _x( 'complete', 'a PayPal configuration status', 'event-tickets' ),
				'slug'  => 'complete',
			),
			'incomplete' => array(
				'label' => _x( 'incomplete', 'a PayPal configuration status', 'event-tickets' ),
				'slug'  => 'incomplete',
			),
		);

		if ( null !== $slug ) {
			$found = Tribe__Utils__Array::get( $map, $slug, false );

			return $found ? Tribe__Utils__Array::get( $map, array( $slug, $field ), false ) : false;
		}

		return $config_ok
			? Tribe__Utils__Array::get( $map, array( 'complete', $field ), false )
			: Tribe__Utils__Array::get( $map, array( 'incomplete', $field ), false );
	}
}

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