'clickbank_settings',
'name' => '' . __( 'ClickBank Settings', 'edd-clickbank-gateway' ) . '',
'desc' => __( 'Configure the gateway settings', 'edd-clickbank-gateway' ),
'type' => 'header'
),
array(
'id' => 'clickbank_account_nickname',
'name' => __( 'Account Nickname', 'edd-clickbank-gateway' ),
'desc' => '',
'type' => 'text',
'size' => 'regular',
),
array(
'id' => 'clickbank_secret_key',
'name' => __( 'Secret Key', 'edd-clickbank-gateway' ),
'desc' => '',
'type' => 'text',
'size' => 'regular',
),
);
return array_merge( $settings, $clickbank_gateway_settings );
}
/**
* Register Clickbank metabox.
*/
public function add_meta_box() {
add_meta_box(
'edd_clickbank',
__( 'ClickBank Item Number', 'edd-clickbank-gateway' ),
array( $this, 'render_meta_box' ),
'download',
'side'
);
}
/**
* Render Clickbank metabox.
*
* @param object $post
*/
public function render_meta_box( $post ) {
global $edd_options;
$item = self::get_clickbank_item( $post->ID );
wp_nonce_field( plugin_basename( __FILE__ ), 'clickbank_nonce' );
?>
__( 'ClickBank', 'edd-clickbank-gateway' ),
'checkout_label' => __( 'ClickBank', 'edd-clickbank-gateway' ),
'supports' => array(
'buy_now',
),
);
return $gateways;
}
/**
* Redirect customers to ClickBank during checkout.
*
* @since 1.3.0
*
* @param array $payment_data EDD Purchase Data.
*/
public function edd_gateway_ClickBank( $payment_data ) {
global $edd_options;
$item = self::get_clickbank_item( $payment_data['downloads'][0]['id'] );
if ( ! empty( $item ) && ! empty( $edd_options['clickbank_account_nickname'] ) && ! empty( $edd_options['clickbank_secret_key'] ) ) {
// http://ITEM.VENDOR.pay.clickbank.net
wp_redirect( sprintf(
'http://%1$s.%2$s.pay.clickbank.net/',
$item,
$edd_options['clickbank_account_nickname']
) );
die;
}
}
/**
* When customers are redirected back to the EDD site from Clickbank, we need to set up the purchase session to match their URL variables
*
* @since 1.3.1
*/
public function process_clickbank_purchase_confirmation_url() {
// This is an example of the URL we are trying to "catch" here:
// https://thisedddmain.com/checkout/purchase-confirmation/?item=1&cbreceipt=SW6VAK6K&time=1523474665&cbpop=7EB02C28&cbaffi=0&cname=Test+Test&cemail=customer@customer.com&ccountry=US&czip=12345
if ( isset( $_GET['cbreceipt'] ) && isset( $_GET['cbpop'] ) && isset( $_GET['cbaffi'] ) && isset( $_GET['cname'] ) && isset( $_GET['cemail'] ) && isset( $_GET['cemail'] ) ) {
// Find which EDD Payment corresponds to this clickbank data
$payment_id = self::get_used_key( $_GET['cbpop'] );
// If a payment was found
if ( $payment_id ) {
$payment = new EDD_Payment( $payment_id );
// Set up the EDD purchase session. This makes the edd_receipt shortcode know what to show
edd_set_purchase_session( $purchase_data = array(
'purchase_key' => $payment->key
) );
}
}
}
/**
* Process payment for clickbank gateway.
*/
public function clickbank_process_payment() {
global $edd_options;
if ( self::clickbank_data_received() && ! empty( $edd_options['clickbank_secret_key'] ) ) {
$this->log( 'Clickbank data received. GET: ' . print_r( $_GET, true ) );
$name = explode( ' ', rawurldecode( $_GET['cname'] ), 2 );
$email = sanitize_email( rawurldecode( $_GET['cemail'] ) );
$key = $edd_options['clickbank_secret_key'];
$receipt = $_GET['cbreceipt'];
$time = absint( $_GET['time'] );
$item = esc_html( $_GET['item'] );
$product_id = self::get_edd_product_id( $item );
$cbpop = $_GET['cbpop'];
$xxpop = strtoupper( substr( sha1( "$key|$receipt|$time|$item" ), 0, 8 ) );
$this->log( 'cbpop value: ' . $cbpop . '. xxpop value: ' . $xxpop );
$this->log( 'ClickBank item: ' . $item );
$this->log( 'ClickBank product ID: ' . $product_id );
// Confirm cbpop is valid, and unused, and product exists
if ( $cbpop == $xxpop && ! self::get_used_key( $cbpop ) && false !== $product_id ) {
$payment = new EDD_Payment;
$payment->email = $email;
$payment->first_name = ! empty( $name[0] ) ? $name[0] : '';
$payment->last_name = ! empty( $name[1] ) ? $name[1] : '';
$payment->add_download( $product_id );
$payment->gateway = 'ClickBank';
$payment->save();
if ( $payment->ID > 0 ) {
self::add_used_key( $payment->ID, $cbpop );
$payment->status = 'complete';
$payment->save();
edd_empty_cart();
// Set the payment session before redirecting
edd_set_purchase_session( $purchase_data = array(
'purchase_key' => $payment->key
) );
wp_redirect( add_query_arg( 'payment_key', $payment->key, edd_get_success_page_uri() ) ); exit;
}
}
}
}
private static function clickbank_data_received() {
return ( ! empty( $_GET['item'] ) && ! empty( $_GET['cbreceipt'] ) && ! empty( $_GET['time'] ) && ! empty( $_GET['cbpop'] ) && ! empty( $_GET['cname'] ) && ! empty( $_GET['cemail'] ) );
}
private static function get_used_key( $payment_key = '' ) {
global $wpdb;
$payment_id = $wpdb->get_var( $wpdb->prepare(
"
SELECT post_id
FROM $wpdb->postmeta
WHERE meta_key = '_edd_clickbank_cbpop'
AND meta_value = %s
",
$payment_key
) );
return absint( $payment_id );
}
private static function add_used_key( $payment_id = 0, $payment_key = '' ) {
update_post_meta( absint( $payment_id ), '_edd_clickbank_cbpop', $payment_key );
}
private static function set_current_session( $product_id = 0 ) {
EDD()->session->set( 'edd_cart', array(
array(
'id' => absint( $product_id ),
'options' => array(),
),
) );
}
private static function build_user_info( $name = array(), $email = '' ) {
return array(
'id' => get_current_user_id(),
'email' => $email,
'first_name' => ! empty( $name[0] ) ? $name[0] : '',
'last_name' => ! empty( $name[1] ) ? $name[1] : '',
'discount' => 'none',
);
}
private static function build_purchase_data( $user_info = array(), $time = 0 ) {
global $edd_options;
$_POST['edd-gateway'] = 'ClickBank';
return array(
'downloads' => edd_get_cart_contents(),
'subtotal' => edd_get_cart_subtotal(),
'discount' => edd_get_cart_discounted_amount(),
'tax' => edd_get_cart_tax(),
'price' => edd_get_cart_total(),
'purchase_key' => strtolower( md5( uniqid() ) ),
'user_email' => $user_info['email'],
'date' => date( 'Y-m-d H:i:s', absint( $time ) ),
'user_info' => $user_info,
'post_data' => array(),
'cart_details' => edd_get_cart_content_details(),
'gateway' => $_POST['edd-gateway'],
'card_info' => array(),
'currency' => $edd_options['currency'],
'status' => 'pending',
);
}
private static function get_edd_product_id( $item = 0 ) {
$clickbank_items = self::get_clickbank_items();
return array_search( $item, $clickbank_items );
}
private static function get_clickbank_item( $product_id = 0 ) {
$clickbank_items = self::get_clickbank_items();
return isset( $clickbank_items[ $product_id ] ) ? esc_html( $clickbank_items[ $product_id ] ) : null;
}
private static function update_clickbank_items( $item = 0, $post_id = 0 ) {
$clickbank_items = self::get_clickbank_items();
// Only save the item ID if it's not already set for another post
if ( ! empty( $item ) && false === self::get_edd_product_id( $item ) ) {
$clickbank_items[ $post_id ] = $item;
edd_debug_log( 'ClickBank metabox saved/updated. Item value submitted: ' . $item . '. Array of Clickbank items is now: . ' . json_encode( $clickbank_items ) );
}else{
edd_debug_log( 'ClickBank metabox not saved/updated. Item value submitted: ' . $item . '. Array of pre-existing Clickbank items is: . ' . json_encode( $clickbank_items ) );
}
// Delete setting for this post if we no longer have an item ID
if ( empty( $item ) && isset( $clickbank_items[ $post_id ] ) ) {
unset( $clickbank_items[ $post_id ] );
}
self::set_clickbank_items( $clickbank_items );
}
private static function get_clickbank_items() {
// Get the clickbank items that have been saved to the wp_option
$inaccurate_clickbank_items = get_option( self::$clickbank_option, array() );
// Set the arrays up that we will use to rebuild an accurate list of clickbank products
$clickbank_post_ids = array();
$accurate_clickbank_items = array();
// Loop through each innacurate clickbank EDD Product to make sure it wasn't deleted
foreach( $inaccurate_clickbank_items as $post_id => $clickbank_item_number ) {
$post = new EDD_Download( $post_id );
// If this product doesn't exist, don't add it to the list of accurate clickbank products
if ( ! $post->ID ) {
continue;
}
// If this post still exists and it has a valid value saved for clickbank, re-add it
if ( isset( $inaccurate_clickbank_items[$post_id] ) && ! empty( $inaccurate_clickbank_items[$post_id] ) ) {
$accurate_clickbank_items[$post_id] = $inaccurate_clickbank_items[$post_id];
}
}
// If something went wrong, don't make any changes
if ( empty( $accurate_clickbank_items ) ) {
$accurate_clickbank_items = $inaccurate_clickbank_items;
}
return $accurate_clickbank_items;
}
private static function set_clickbank_items( $clickbank_items = array() ) {
return update_option( self::$clickbank_option, $clickbank_items );
}
private function log( $message = '' ) {
if( function_exists( 'edd_debug_log' ) ) {
edd_debug_log( $message );
}
}
}
$edd_clickbank_gateway = new EDD_ClickBank_Gateway;