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- <?php
- require SIMPLE_WP_MEMBERSHIP_PATH . 'ipn/swpm_handle_subsc_ipn.php';
- class SwpmStripeBuyNowIpnHandler {
- public function __construct() {
- $this->handle_stripe_ipn();
- }
- public function handle_stripe_ipn() {
- SwpmLog::log_simple_debug( 'Stripe Buy Now IPN received. Processing request...', true );
- // SwpmLog::log_simple_debug(print_r($_REQUEST, true), true);//Useful for debugging purpose
- // Include the Stripe library.
- SwpmMiscUtils::load_stripe_lib();
- // Read and sanitize the request parameters.
- $button_id = sanitize_text_field( $_REQUEST['item_number'] );
- $button_id = absint( $button_id );
- $button_title = sanitize_text_field( $_REQUEST['item_name'] );
- $payment_amount = sanitize_text_field( $_REQUEST['item_price'] );
- $currency_code = sanitize_text_field( $_REQUEST['currency_code'] );
- $zero_cents = unserialize( SIMPLE_WP_MEMBERSHIP_STRIPE_ZERO_CENTS );
- if ( in_array( $currency_code, $zero_cents ) ) {
- $price_in_cents = $payment_amount;
- } else {
- $price_in_cents = $payment_amount * 100;// The amount (in cents). This value is used in Stripe API.
- }
- $stripe_token = filter_input( INPUT_POST, 'stripeToken', FILTER_SANITIZE_STRING );
- $stripe_token_type = filter_input( INPUT_POST, 'stripeTokenType', FILTER_SANITIZE_STRING );
- $stripe_email = filter_input( INPUT_POST, 'stripeEmail', FILTER_SANITIZE_EMAIL );
- // Retrieve the CPT for this button
- $button_cpt = get_post( $button_id );
- if ( ! $button_cpt ) {
- // Fatal error. Could not find this payment button post object.
- SwpmLog::log_simple_debug( 'Fatal Error! Failed to retrieve the payment button post object for the given button ID: ' . $button_id, false );
- wp_die( esc_html( sprintf( 'Fatal Error! Payment button (ID: %d) does not exist. This request will fail.', $button_id ) ) );
- }
- $membership_level_id = get_post_meta( $button_id, 'membership_level_id', true );
- // Validate and verify some of the main values.
- $true_payment_amount = get_post_meta( $button_id, 'payment_amount', true );
- $true_payment_amount = apply_filters( 'swpm_payment_amount_filter', $true_payment_amount, $button_id );
- if ( $payment_amount != $true_payment_amount ) {
- // Fatal error. Payment amount may have been tampered with.
- $error_msg = 'Fatal Error! Received payment amount (' . $payment_amount . ') does not match with the original amount (' . $true_payment_amount . ')';
- SwpmLog::log_simple_debug( $error_msg, false );
- wp_die( esc_html( $error_msg ) );
- }
- $true_currency_code = get_post_meta( $button_id, 'payment_currency', true );
- if ( $currency_code != $true_currency_code ) {
- // Fatal error. Currency code may have been tampered with.
- $error_msg = 'Fatal Error! Received currency code (' . $currency_code . ') does not match with the original code (' . $true_currency_code . ')';
- SwpmLog::log_simple_debug( $error_msg, false );
- wp_die( esc_html( $error_msg ) );
- }
- // Validation passed. Go ahead with the charge.
- // Sandbox and other settings
- $settings = SwpmSettings::get_instance();
- $sandbox_enabled = $settings->get_value( 'enable-sandbox-testing' );
- //API keys
- $api_keys = SwpmMiscUtils::get_stripe_api_keys_from_payment_button( $button_id, ! $sandbox_enabled );
- // Set secret API key in the Stripe library
- \Stripe\Stripe::setApiKey( $api_keys['secret'] );
- // Get the credit card details submitted by the form
- $token = $stripe_token;
- // Create the charge on Stripe's servers - this will charge the user's card
- try {
- $charge = \Stripe\Charge::create(
- array(
- 'amount' => $price_in_cents, // Amount in cents
- 'currency' => strtolower( $currency_code ),
- 'source' => $token,
- 'description' => $button_title,
- 'receipt_email' => $stripe_email,
- )
- );
- } catch ( \Stripe\Error\Card $e ) {
- // The card has been declined
- SwpmLog::log_simple_debug( 'Stripe Charge Error! The card has been declined. ' . $e->getMessage(), false );
- $body = $e->getJsonBody();
- $error = $body['error'];
- $error_string = print_r( $error, true );
- SwpmLog::log_simple_debug( 'Error details: ' . $error_string, false );
- wp_die( esc_html( 'Stripe Charge Error! Card charge has been declined. ' . $e->getMessage() . $error_string ) );
- }
- // Everything went ahead smoothly with the charge.
- SwpmLog::log_simple_debug( 'Stripe Buy Now charge successful.', true );
- // Grab the charge ID and set it as the transaction ID.
- $txn_id = $charge->id;// $charge->balance_transaction;
- // The charge ID can be used to retrieve the transaction details using hte following call.
- // \Stripe\Charge::retrieve($charge->id);
- $custom = sanitize_text_field( $_REQUEST['custom'] );
- $custom_var = SwpmTransactions::parse_custom_var( $custom );
- $swpm_id = isset( $custom_var['swpm_id'] ) ? $custom_var['swpm_id'] : '';
- // Create the $ipn_data array.
- $ipn_data = array();
- $ipn_data['mc_gross'] = $payment_amount;
- $ipn_data['first_name'] = '';
- $ipn_data['last_name'] = '';
- $ipn_data['payer_email'] = $stripe_email;
- $ipn_data['membership_level'] = $membership_level_id;
- $ipn_data['txn_id'] = $txn_id;
- $ipn_data['subscr_id'] = $txn_id;/* Set the txn_id as subscriber_id so it is similar to PayPal buy now. Also, it can connect to the profile in the "payments" menu. */
- $ipn_data['swpm_id'] = $swpm_id;
- $ipn_data['ip'] = $custom_var['user_ip'];
- $ipn_data['custom'] = $custom;
- $ipn_data['gateway'] = 'stripe';
- $ipn_data['status'] = 'completed';
- $ipn_data['address_street'] = '';
- $ipn_data['address_city'] = '';
- $ipn_data['address_state'] = '';
- $ipn_data['address_zipcode'] = '';
- $ipn_data['country'] = '';
- // Handle the membership signup related tasks.
- swpm_handle_subsc_signup_stand_alone( $ipn_data, $membership_level_id, $txn_id, $swpm_id );
- // Save the transaction record
- SwpmTransactions::save_txn_record( $ipn_data );
- SwpmLog::log_simple_debug( 'Transaction data saved.', true );
- // Trigger the stripe IPN processed action hook (so other plugins can can listen for this event).
- do_action( 'swpm_stripe_ipn_processed', $ipn_data );
- do_action( 'swpm_payment_ipn_processed', $ipn_data );
- // Redirect the user to the return URL (or to the homepage if a return URL is not specified for this payment button).
- $return_url = get_post_meta( $button_id, 'return_url', true );
- if ( empty( $return_url ) ) {
- $return_url = SIMPLE_WP_MEMBERSHIP_SITE_HOME_URL;
- }
- SwpmLog::log_simple_debug( 'Redirecting customer to: ' . $return_url, true );
- SwpmLog::log_simple_debug( 'End of Stripe Buy Now IPN processing.', true, true );
- SwpmMiscUtils::redirect_to_url( $return_url );
- }
- }
- $swpm_stripe_buy_ipn = new SwpmStripeBuyNowIpnHandler();
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