File Content: stripe.php <?php /** * Stripe module main file * * @link https://contactform7.com/stripe-integration/ */ wpcf7_include_module_file( 'stripe/service.php' ); wpcf7_include_module_file( 'stripe/api.php' ); add_action( 'wpcf7_init', 'wpcf7_stripe_register_service', 50, 0 ); /** * Registers the Stripe service. */ function wpcf7_stripe_register_service() { $integration = WPCF7_Integration::get_instance(); $integration->add_service( 'stripe', WPCF7_Stripe::get_instance() ); } add_action( 'wpcf7_enqueue_scripts', 'wpcf7_stripe_enqueue_scripts', 10, 0 ); /** * Enqueues scripts and styles for the Stripe module. */ function wpcf7_stripe_enqueue_scripts() { $service = WPCF7_Stripe::get_instance(); if ( ! $service->is_active() ) { return; } wp_enqueue_style( 'wpcf7-stripe', wpcf7_plugin_url( 'modules/stripe/style.css' ), array(), WPCF7_VERSION, 'all' ); wp_register_script( 'stripe', 'https://js.stripe.com/v3/', array(), null ); $assets = include( wpcf7_plugin_path( 'modules/stripe/index.asset.php' ) ); $assets = wp_parse_args( $assets, array( 'dependencies' => array(), 'version' => WPCF7_VERSION, ) ); wp_enqueue_script( 'wpcf7-stripe', wpcf7_plugin_url( 'modules/stripe/index.js' ), array_merge( $assets['dependencies'], array( 'wp-polyfill', 'contact-form-7', 'stripe', ) ), $assets['version'], array( 'in_footer' => true ) ); $api_keys = $service->get_api_keys(); if ( $api_keys['publishable'] ) { wp_add_inline_script( 'wpcf7-stripe', sprintf( 'var wpcf7_stripe = %s;', wp_json_encode( array( 'publishable_key' => $api_keys['publishable'], ), JSON_PRETTY_PRINT ) ), 'before' ); } } add_filter( 'wpcf7_skip_spam_check', 'wpcf7_stripe_skip_spam_check', 10, 2 ); /** * Skips the spam check if it is not necessary. * * @return bool True if the spam check is not necessary. */ function wpcf7_stripe_skip_spam_check( $skip_spam_check, $submission ) { $service = WPCF7_Stripe::get_instance(); if ( ! $service->is_active() ) { return $skip_spam_check; } if ( ! empty( $_POST['_wpcf7_stripe_payment_intent'] ) ) { $pi_id = trim( $_POST['_wpcf7_stripe_payment_intent'] ); $payment_intent = $service->api()->retrieve_payment_intent( $pi_id ); if ( isset( $payment_intent['status'] ) and ( 'succeeded' === $payment_intent['status'] ) ) { $submission->push( 'payment_intent', $pi_id ); } } if ( ! empty( $submission->pull( 'payment_intent' ) ) and $submission->verify_posted_data_hash() ) { $skip_spam_check = true; } return $skip_spam_check; } add_action( 'wpcf7_before_send_mail', 'wpcf7_stripe_before_send_mail', 10, 3 ); /** * Creates Stripe's Payment Intent. */ function wpcf7_stripe_before_send_mail( $contact_form, &$abort, $submission ) { $service = WPCF7_Stripe::get_instance(); if ( ! $service->is_active() ) { return; } $tags = $contact_form->scan_form_tags( array( 'type' => 'stripe' ) ); if ( ! $tags ) { return; } if ( ! empty( $submission->pull( 'payment_intent' ) ) ) { return; } $tag = $tags[0]; $amount = $tag->get_option( 'amount', 'int', true ); $currency = $tag->get_option( 'currency', '[a-zA-Z]{3}', true ); $payment_intent_params = apply_filters( 'wpcf7_stripe_payment_intent_parameters', array( 'amount' => $amount ? absint( $amount ) : null, 'currency' => $currency ? strtolower( $currency ) : null, 'receipt_email' => $submission->get_posted_data( 'your-email' ), ) ); $payment_intent = $service->api()->create_payment_intent( $payment_intent_params ); if ( $payment_intent ) { $submission->add_result_props( array( 'stripe' => array( 'payment_intent' => array( 'id' => $payment_intent['id'], 'client_secret' => $payment_intent['client_secret'], ), ), ) ); $submission->set_status( 'payment_required' ); $submission->set_response( __( "Payment is required. Please pay by credit card.", 'contact-form-7' ) ); } $abort = true; } /** * Returns payment link URL. * * @param string $pi_id Payment Intent ID. * @return string The URL. */ function wpcf7_stripe_get_payment_link( $pi_id ) { return sprintf( 'https://dashboard.stripe.com/payments/%s', urlencode( $pi_id ) ); } add_filter( 'wpcf7_special_mail_tags', 'wpcf7_stripe_smt', 10, 4 ); /** * Registers the [_stripe_payment_link] special mail-tag. */ function wpcf7_stripe_smt( $output, $tag_name, $html, $mail_tag = null ) { if ( '_stripe_payment_link' === $tag_name ) { $submission = WPCF7_Submission::get_instance(); $pi_id = $submission->pull( 'payment_intent' ); if ( ! empty( $pi_id ) ) { $output = wpcf7_stripe_get_payment_link( $pi_id ); } } return $output; } add_filter( 'wpcf7_flamingo_inbound_message_parameters', 'wpcf7_stripe_add_flamingo_inbound_message_params', 10, 1 ); /** * Adds Stripe-related meta data to Flamingo Inbound Message parameters. */ function wpcf7_stripe_add_flamingo_inbound_message_params( $args ) { $submission = WPCF7_Submission::get_instance(); $pi_id = $submission->pull( 'payment_intent' ); if ( empty( $pi_id ) ) { return $args; } $pi_link = wpcf7_stripe_get_payment_link( $pi_id ); $meta = (array) $args['meta']; $meta['stripe_payment_link'] = $pi_link; $args['meta'] = $meta; return $args; } add_action( 'wpcf7_init', 'wpcf7_add_form_tag_stripe', 10, 0 ); /** * Registers the stripe form-tag handler. */ function wpcf7_add_form_tag_stripe() { wpcf7_add_form_tag( 'stripe', 'wpcf7_stripe_form_tag_handler', array( 'display-block' => true, 'singular' => true, ) ); } /** * Defines the stripe form-tag handler. * * @return string HTML content that replaces a stripe form-tag. */ function wpcf7_stripe_form_tag_handler( $tag ) { $card_element = sprintf( '<div %s></div>', wpcf7_format_atts( array( 'class' => 'card-element wpcf7-form-control', 'aria-invalid' => 'false', ) ) ); $card_element = sprintf( '<div class="wpcf7-form-control-wrap hidden">%s</div>', $card_element ); $button_1_label = __( 'Proceed to checkout', 'contact-form-7' ); if ( isset( $tag->values[0] ) ) { $button_1_label = trim( $tag->values[0] ); } $button_1 = sprintf( '<button %1$s>%2$s</button>', wpcf7_format_atts( array( 'type' => 'submit', 'class' => 'first', ) ), esc_html( $button_1_label ) ); $button_2_label = __( 'Complete payment', 'contact-form-7' ); if ( isset( $tag->values[1] ) ) { $button_2_label = trim( $tag->values[1] ); } $button_2 = sprintf( '<button %1$s>%2$s</button>', wpcf7_format_atts( array( 'type' => 'button', 'class' => 'second hidden', ) ), esc_html( $button_2_label ) ); $buttons = sprintf( '<span class="buttons has-spinner">%1$s %2$s</span>', $button_1, $button_2 ); return sprintf( '<div class="wpcf7-stripe">%1$s %2$s %3$s</div>', $card_element, $buttons, '<input type="hidden" name="_wpcf7_stripe_payment_intent" value="" />' ); } Submit