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Mini Shell
<?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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