<?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',
10, 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_enqueue_script( 'stripe',
'https://js.stripe.com/v3/',
array(), null
);
$assets = array();
$asset_file = wpcf7_plugin_path( 'modules/stripe/index.asset.php' );
if ( file_exists( $asset_file ) ) {
$assets = include( $asset_file );
}
$assets = wp_parse_args( $assets, array(
'src' => wpcf7_plugin_url( 'modules/stripe/index.js' ),
'dependencies' => array(
'wp-polyfill',
),
'version' => WPCF7_VERSION,
) );
wp_enqueue_script(
'wpcf7-stripe',
$assets['src'],
array_merge( array(
'contact-form-7',
'stripe',
), $assets['dependencies'] ),
$assets['version'],
true
);
$api_keys = $service->get_api_keys();
if ( $api_keys['publishable'] ) {
wp_localize_script( 'wpcf7-stripe', 'wpcf7_stripe', array(
'publishable_key' => $api_keys['publishable'],
) );
}
}
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->payment_intent = $pi_id;
}
}
if ( ! empty( $submission->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->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();
if ( ! empty( $submission->payment_intent ) ) {
$output = wpcf7_stripe_get_payment_link( $submission->payment_intent );
}
}
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();
if ( empty( $submission->payment_intent ) ) {
return $args;
}
$pi_link = wpcf7_stripe_get_payment_link( $submission->payment_intent );
$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="" />'
);
}