%PDF-
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Mini Shell
Mini Shell
<?php
namespace WPForms\Integrations\Stripe;
use Stripe\Exception\ApiErrorException;
use WPForms\Helpers\Transient;
/**
* Stripe payment processing.
*
* @since 1.8.2
*/
class Process {
/**
* Payment amount.
*
* @since 1.8.2
*
* @var string
*/
public $amount = '';
/**
* Form ID.
*
* @since 1.8.2
*
* @var int
*/
public $form_id = 0;
/**
* Form Stripe payment settings.
*
* @since 1.8.2
*
* @var array
*/
public $settings = [];
/**
* Sanitized submitted field values and data.
*
* @since 1.8.2
*
* @var array
*/
public $fields = [];
/**
* Form data and settings.
*
* @since 1.8.2
*
* @var array
*/
public $form_data = [];
/**
* Rate Limit object.
*
* @since 1.8.2
*
* @var RateLimit
*/
private $rate_limit;
/**
* Api interface.
*
* @since 1.8.2
*
* @var Api\ApiInterface
*/
private $api;
/**
* Whether the payment has been processed.
*
* @since 1.8.3
*
* @var bool
*/
private $is_payment_processed = false;
/**
* Save matched subscription settings.
*
* @since 1.8.4
*
* @var array
*/
private $subscription_settings = [];
/**
* Initialize.
*
* @since 1.8.2
*
* @param Api\ApiInterface $api Api interface.
*/
public function init( $api ) {
$this->api = $api;
$this->hooks();
}
/**
* Hooks.
*
* @since 1.8.2
*/
private function hooks() {
add_action( 'wpforms_process', [ $this, 'process_entry' ], 10, 3 );
add_action( 'wpforms_process_payment_saved', [ $this, 'process_payment_saved' ], 10, 3 );
add_action( 'wpformsstripe_api_common_set_error_from_exception', [ $this, 'process_card_error' ] );
add_filter( 'wpforms_forms_submission_prepare_payment_data', [ $this, 'prepare_payment_data' ] );
add_filter( 'wpforms_forms_submission_prepare_payment_meta', [ $this, 'prepare_payment_meta' ], 10, 3 );
add_filter( 'wpforms_entry_email_process', [ $this, 'process_email' ], 70, 4 );
add_action( 'wpforms_process_complete', [ $this, 'process_entry_data' ], 10, 4 );
add_filter( 'wpforms_process_bypass_captcha', [ $this, 'bypass_captcha' ] );
}
/**
* Check if a payment exists with an entry, if so validate and process.
*
* @since 1.8.2
*
* @param array $fields Final/sanitized submitted field data.
* @param array $entry Copy of original $_POST.
* @param array $form_data Form data and settings.
*/
public function process_entry( $fields, $entry, $form_data ) {
// Check if payment method exists and is enabled.
if ( ! Helpers::has_stripe_enabled( [ $form_data ] ) ) {
return;
}
$this->form_id = (int) $form_data['id'];
$this->fields = $fields;
$this->form_data = $form_data;
$this->settings = $form_data['payments']['stripe'];
$this->amount = wpforms_get_total_payment( $this->fields );
$this->rate_limit = new RateLimit();
$this->rate_limit->init();
if ( $this->is_process_entry_error() ) {
return;
}
if ( $this->is_submitted_payment_data_corrupted( $entry ) ) {
return;
}
$this->api->set_payment_tokens( $entry );
$error = $this->get_entry_errors();
// Before proceeding, check if any basic errors were detected.
if ( $error ) {
$this->log_error( $error );
$this->display_error( $error );
return;
}
$this->process_payment();
}
/**
* Bypass captcha if payment has been processed.
*
* @since 1.8.3
*
* @param bool $bypass_captcha Whether to bypass captcha.
*
* @return bool
*/
public function bypass_captcha( $bypass_captcha ) {
if ( $bypass_captcha ) {
return $bypass_captcha;
}
return $this->is_payment_processed;
}
/**
* Check on process entry errors.
*
* @since 1.8.2
*
* @return bool
*/
protected function is_process_entry_error() {
// Check for processing errors.
if ( ! empty( wpforms()->obj( 'process' )->errors[ $this->form_id ] ) || ! $this->is_card_field_visibility_ok() ) {
return true;
}
// Check rate limit.
if ( ! $this->is_rate_limit_ok() ) {
wpforms()->obj( 'process' )->errors[ $this->form_id ]['footer'] = esc_html__( 'Unable to process payment, please try again later.', 'wpforms-lite' );
return true;
}
return false;
}
/**
* Add meta for a successful payment.
*
* @since 1.8.2
*
* @param array $payment_meta Payment meta.
* @param array $fields Final/sanitized submitted field data.
* @param array $form_data Form data and settings.
*/
public function prepare_payment_meta( $payment_meta, $fields, $form_data ) { // phpcs:ignore Generic.Metrics.CyclomaticComplexity.TooHigh
$payment = $this->api->get_payment();
if ( empty( $payment->id ) ) {
return $payment_meta;
}
$charge_details = $this->api->get_charge_details( [ 'type', 'name', 'last4', 'brand', 'exp_month', 'exp_year' ] );
$payment_meta['method_type'] = $this->get_payment_type( $charge_details );
$payment_meta['customer_name'] = $this->get_customer_name();
$payment_meta['customer_email'] = $this->get_customer_email();
$subscription = $this->api->get_subscription();
if ( ! empty( $subscription->id ) ) {
$payment_meta['subscription_period'] = sanitize_text_field( $this->subscription_settings['period'] );
}
if ( ! empty( $charge_details['brand'] ) ) {
$payment_meta['credit_card_method'] = $charge_details['brand'];
}
if ( ! empty( $charge_details['name'] ) ) {
$payment_meta['credit_card_name'] = $charge_details['name'];
}
if ( ! empty( $charge_details['last4'] ) ) {
$payment_meta['credit_card_last4'] = $charge_details['last4'];
}
if ( ! empty( $charge_details['exp_month'] ) && ! empty( $charge_details['exp_year'] ) ) {
$payment_meta['credit_card_expires'] = sprintf( '%s/%s', $charge_details['exp_month'], $charge_details['exp_year'] );
}
$log = [
'value' => $payment->object === 'payment_intent' ? sprintf( 'Stripe payment intent created. (Payment Intent ID: %s)', $payment->id ) : 'Stripe payment was created.',
'date' => gmdate( 'Y-m-d H:i:s' ),
];
$payment_meta['log'] = wp_json_encode( $log );
return $payment_meta;
}
/**
* Get payment method type.
*
* @since 1.8.2.1
*
* @param array $charge_details Get details from a saved Charge object.
*
* @return string
*/
private function get_payment_type( $charge_details ) {
if ( empty( $charge_details['last4'] ) ) {
return 'link';
}
if ( ! empty( $charge_details['type'] ) ) {
return sanitize_text_field( $charge_details['type'] );
}
return 'card';
}
/**
* Add payment info for successful payment.
*
* @since 1.8.2
*
* @param int $payment_id Payment ID.
* @param array $fields Final/sanitized submitted field data.
* @param array $form_data Form data and settings.
*/
public function process_payment_saved( $payment_id, $fields, $form_data ) {
$payment = $this->api->get_payment();
if ( empty( $payment->id ) ) {
return;
}
$payment_url = add_query_arg(
[
'page' => 'wpforms-payments',
'view' => 'payment',
'payment_id' => $payment_id,
],
admin_url( 'admin.php' )
);
// Update the Stripe charge metadata to include the Payment ID.
$payment->metadata['payment_id'] = $payment_id;
$payment->metadata['payment_url'] = esc_url_raw( $payment_url );
/**
* Allow to add additional payment metadata to the Stripe payment.
*
* @since 1.8.2.2
*
* @param array $additional_meta Additional metadata.
* @param int $payment_id Payment ID.
* @param array $fields Final/sanitized submitted field data.
* @param array $form_data Form data and settings.
*/
$additional_meta = (array) apply_filters( 'wpforms_integrations_stripe_process_additional_metadata', [], $payment_id, $fields, $form_data );
array_walk(
$additional_meta,
static function( $meta, $key ) use ( &$payment ) {
$payment->metadata[ $key ] = $meta;
}
);
$payment->update( $payment->id, $payment->serializeParameters(), Helpers::get_auth_opts() );
$subscription = $this->api->get_subscription();
// Update the Stripe subscription metadata to include the Payment ID.
if ( ! empty( $subscription->id ) ) {
$subscription->metadata['payment_id'] = $payment_id;
$subscription->metadata['payment_url'] = esc_url_raw( $payment_url );
$subscription->update( $subscription->id, $subscription->serializeParameters(), Helpers::get_auth_opts() );
}
wpforms()->obj( 'payment_meta' )->add_log(
$payment_id,
sprintf(
'Stripe charge processed. (Charge ID: %1$s)',
isset( $payment->latest_charge ) ? $payment->latest_charge : $payment->id
)
);
/**
* Fire when processing is complete.
*
* @since 1.8.2
*
* @param array $fields Final/sanitized submitted field data.
* @param array $form_data Form data and settings.
* @param int $payment_id Payment ID.
* @param mixed $payment Stripe payment object.
* @param mixed $subscription Stripe subscription object.
* @param mixed $customer Stripe customer object.
*/
do_action( 'wpforms_stripe_process_complete', $fields, $form_data, $payment_id, $payment, $subscription, $this->api->get_customer() ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
}
/**
* Add details to payment data.
*
* @since 1.8.2
*
* @param array $payment_data Payment data args.
*
* @return array
*/
public function prepare_payment_data( $payment_data ) {
$payment = $this->api->get_payment();
if ( empty( $payment->id ) ) {
return $payment_data;
}
$customer = $this->api->get_customer();
$subscription = $this->api->get_subscription();
$payment_data['status'] = 'processed';
$payment_data['gateway'] = 'stripe';
$payment_data['mode'] = Helpers::get_stripe_mode();
$payment_data['transaction_id'] = sanitize_text_field( $payment->id );
$payment_data['customer_id'] = ! empty( $customer->id ) ? sanitize_text_field( $customer->id ) : '';
$payment_data['title'] = $this->get_payment_title();
if ( ! empty( $subscription->id ) ) {
$payment_data['subscription_id'] = sanitize_text_field( $subscription->id );
$payment_data['subscription_status'] = 'not-synced';
}
return $payment_data;
}
/**
* Get Payment title.
*
* @since 1.8.2
*
* @return string Payment title.
*/
private function get_payment_title() {
$customer_name = $this->get_customer_name();
if ( $customer_name ) {
return $customer_name;
}
$customer_email = $this->get_customer_email();
if ( $customer_email ) {
return $customer_email;
}
return '';
}
/**
* Get Customer name.
*
* @since 1.8.2
*
* @return string Customer name.
*/
private function get_customer_name() {
$customer_name = $this->api->get_customer( 'name' );
if ( $customer_name ) {
return $customer_name;
}
$charge_details = $this->api->get_charge_details( [ 'name' ] );
if ( ! empty( $charge_details['name'] ) ) {
return $charge_details['name'];
}
return '';
}
/**
* Get Customer email.
*
* @since 1.8.2
*
* @return string Customer email.
*/
private function get_customer_email() {
$customer_email = $this->api->get_customer( 'email' );
if ( $customer_email ) {
return $customer_email;
}
$charge_details = $this->api->get_charge_details( [ 'email' ] );
if ( ! empty( $charge_details['email'] ) ) {
return $charge_details['email'];
}
// phpcs:disable WordPress.Security.NonceVerification.Missing
if ( isset( $_POST['wpforms']['payment_link_email'] ) ) {
return sanitize_email( wp_unslash( $_POST['wpforms']['payment_link_email'] ) );
}
// phpcs:enable WordPress.Security.NonceVerification.Missing
return '';
}
/**
* Logic that helps decide if we should send completed payments notifications.
*
* @since 1.8.2
*
* @param bool $process Whether to process or not.
* @param array $fields Form fields.
* @param array $form_data Form data.
* @param int $notification_id Notification ID.
*
* @return bool
*/
public function process_email( $process, $fields, $form_data, $notification_id ) {
if ( ! $process ) {
return false;
}
if ( ! Helpers::has_stripe_enabled( [ $form_data ] ) ) {
return $process;
}
if ( empty( $form_data['settings']['notifications'][ $notification_id ]['stripe'] ) ) {
return $process;
}
if ( empty( $this->api->get_payment() ) ) {
return false;
}
if ( ! $this->is_payment_processed ) {
return false;
}
return empty( $this->api->get_error() );
}
/**
* Update entry details for a successful payment.
*
* @since 1.8.2
*
* @param array $fields Final/sanitized submitted field data.
* @param array $entry Copy of original $_POST.
* @param array $form_data Form data and settings.
* @param string $entry_id Entry ID.
*/
public function process_entry_data( $fields, $entry, $form_data, $entry_id ) {
$payment = $this->api->get_payment();
if ( empty( $payment->id ) || empty( $entry_id ) ) {
return;
}
wpforms()->obj( 'entry' )->update(
$entry_id,
[
'type' => 'payment',
],
'',
'',
[ 'cap' => false ]
);
}
/**
* Get general errors before payment processing.
*
* @since 1.8.2
*
* @return string
*/
protected function get_entry_errors() {
// Check for Stripe payment tokens (card token or payment id).
$error = $this->api->get_error();
// Check for Stripe keys.
if ( ! Helpers::has_stripe_keys() ) {
return esc_html__( 'Stripe payment stopped, missing keys.', 'wpforms-lite' );
}
// Check that, despite how the form is configured, the form and
// entry actually contain payment fields, otherwise no need to proceed.
if ( ! wpforms_has_payment( 'form', $this->form_data ) || ! wpforms_has_payment( 'entry', $this->fields ) ) {
return esc_html__( 'Stripe payment stopped, missing payment fields.', 'wpforms-lite' );
}
// Check total charge amount.
if ( empty( $this->amount ) || wpforms_sanitize_amount( 0 ) === $this->amount ) {
return esc_html__( 'Stripe payment stopped, invalid/empty amount.', 'wpforms-lite' );
}
if ( 50 > ( $this->amount * 100 ) ) {
return esc_html__( 'Stripe payment stopped, amount less than minimum charge required.', 'wpforms-lite' );
}
return $error;
}
/**
* Process a payment.
*
* @since 1.8.2
*/
public function process_payment() {
if ( $this->is_api_errors() ) {
return;
}
// Proceed to executing the purchase.
if ( ! empty( $this->settings['enable_recurring'] ) || ! empty( $this->settings['recurring']['enable'] ) ) {
$this->process_payment_subscription();
return;
}
$this->process_payment_single();
}
/**
* Process a subscription payment for forms with old payments interface.
*
* @since 1.8.4
*/
protected function process_legacy_payment_subscription() {
if ( ! $this->is_recurring_settings_ok( $this->settings['recurring'] ) ) {
return;
}
$args = $this->get_base_subscription_args();
$args['settings'] = $this->settings['recurring'];
$args['email'] = sanitize_email( $this->fields[ $args['settings']['email'] ]['value'] );
$args['customer_name'] = ! empty( $args['settings']['customer_name'] ) ? sanitize_text_field( $this->fields[ $args['settings']['customer_name'] ]['value'] ) : '';
// Customer address.
if ( wpforms()->is_pro() && isset( $args['settings']['customer_address'] ) && $args['settings']['customer_address'] !== '' ) {
$args['customer_address'] = $this->map_address_field( $this->fields[ $args['settings']['customer_address'] ], $args['settings']['customer_address'] );
}
$this->process_subscription( $args );
// Set payment processing flag.
$this->is_payment_processed = true;
}
/**
* Process a single payment.
*
* @since 1.8.2
*/
public function process_payment_single() {
$amount_decimals = Helpers::get_decimals_amount();
// Define the basic payment details.
$args = [
'amount' => $this->amount * $amount_decimals,
'currency' => strtolower( wpforms_get_currency() ),
'metadata' => [
'form_name' => sanitize_text_field( $this->form_data['settings']['form_title'] ),
'form_id' => $this->form_id,
],
];
if ( ! Helpers::is_license_ok() && Helpers::is_application_fee_supported() ) {
$args['application_fee_amount'] = (int) ( round( $this->amount * 0.03, 2 ) * $amount_decimals );
}
// Payment description.
if ( ! empty( $this->settings['payment_description'] ) ) {
$args['description'] = html_entity_decode( $this->settings['payment_description'], ENT_COMPAT, 'UTF-8' );
}
// Receipt email.
if ( isset( $this->settings['receipt_email'] ) && $this->settings['receipt_email'] !== '' && ! empty( $this->fields[ $this->settings['receipt_email'] ]['value'] ) ) {
$args['receipt_email'] = sanitize_email( $this->fields[ $this->settings['receipt_email'] ]['value'] );
}
// Customer email.
if ( isset( $this->settings['customer_email'] ) && $this->settings['customer_email'] !== '' && ! empty( $this->fields[ $this->settings['customer_email'] ]['value'] ) ) {
$args['customer_email'] = sanitize_email( $this->fields[ $this->settings['customer_email'] ]['value'] );
}
// Customer name.
if ( isset( $this->settings['customer_name'] ) && $this->settings['customer_name'] !== '' && ! empty( $this->fields[ $this->settings['customer_name'] ]['value'] ) ) {
$args['customer_name'] = sanitize_text_field( $this->fields[ $this->settings['customer_name'] ]['value'] );
}
$args = $this->payment_single_map_address( $args );
$this->api->process_single( $args );
// Set payment processing flag.
$this->is_payment_processed = true;
$this->update_credit_card_field_value();
$this->process_api_error( 'single' );
}
/**
* Map address field for single payment.
*
* @since 1.9.0
*
* @param array $args Payment arguments.
*
* @return array
*/
private function payment_single_map_address( array $args ): array {
if ( ! wpforms()->is_pro() ) {
return $args;
}
// Customer address.
if ( isset( $this->settings['customer_address'] ) && $this->settings['customer_address'] !== '' ) {
$args['customer_address'] = $this->map_address_field( $this->fields[ $this->settings['customer_address'] ], $this->settings['customer_address'] );
}
// Shipping address.
if ( isset( $this->settings['shipping_address'] ) && $this->settings['shipping_address'] !== '' ) {
$args['shipping']['name'] = $args['customer_name'] ?? '';
$args['shipping']['address'] = $this->map_address_field( $this->fields[ $this->settings['shipping_address'] ], $this->settings['shipping_address'] );
}
return $args;
}
/**
* Process a subscription payment.
*
* @since 1.8.2
*/
public function process_payment_subscription() {
if ( Helpers::is_legacy_payment_settings( $this->form_data ) ) {
$this->process_legacy_payment_subscription();
return;
}
$args = $this->get_base_subscription_args();
foreach ( $this->settings['recurring'] as $recurring ) {
if ( ! $this->is_subscription_plan_valid( $recurring ) ) {
continue;
}
$args['email'] = sanitize_email( $this->fields[ $recurring['email'] ]['value'] );
$args['settings'] = $recurring;
$args['description'] = sanitize_text_field( $recurring['name'] );
// Customer name.
if ( isset( $recurring['customer_name'] ) && $recurring['customer_name'] !== '' && ! empty( $this->fields[ $recurring['customer_name'] ]['value'] ) ) {
$args['customer_name'] = sanitize_text_field( $this->fields[ $recurring['customer_name'] ]['value'] );
}
// Customer address.
if ( wpforms()->is_pro() && isset( $recurring['customer_address'] ) && $recurring['customer_address'] !== '' ) {
$args['customer_address'] = $this->map_address_field( $this->fields[ $recurring['customer_address'] ], $recurring['customer_address'] );
}
$this->process_subscription( $args );
return;
}
if ( ! empty( $this->settings['enable_one_time'] ) ) {
$this->process_payment_single();
return;
}
$this->log_error(
esc_html__( 'Stripe Subscription payment stopped validation error.', 'wpforms-lite' ),
$this->fields,
'conditional_logic'
);
}
/**
* Validate plan before process.
*
* @since 1.8.4
*
* @param array $plan Plan settings.
*
* @return bool
*/
protected function is_subscription_plan_valid( $plan ) {
return ! empty( $plan['email'] ) && $this->is_recurring_settings_ok( $plan );
}
/**
* Update the credit card field value to contain basic details.
*
* @since 1.8.2
*/
public function update_credit_card_field_value() {
foreach ( $this->fields as $field_id => $field ) {
if ( empty( $field['type'] ) || $this->api->get_config( 'field_slug' ) !== $field['type'] ) {
continue;
}
$details = $this->api->get_charge_details( [ 'name', 'last4', 'brand' ] );
if ( ! empty( $details['last4'] ) ) {
$details['last4'] = 'xxxx xxxx xxxx ' . $details['last4'];
}
if ( ! empty( $details['brand'] ) ) {
$details['brand'] = ucfirst( $details['brand'] );
}
$details = is_array( $details ) && ! empty( $details ) ? implode( "\n", array_filter( $details ) ) : '-';
/**
* This filter allows to overwrite a Style Credit Card value in saved entry.
*
* @since 1.8.2
*
* @param array $details Card details.
* @param object $payment Stripe payment objects.
*/
wpforms()->obj( 'process' )->fields[ $field_id ]['value'] = apply_filters( 'wpforms_stripe_creditcard_value', $details, $this->api->get_payment() ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
}
}
/**
* Check if there is at least one visible (not hidden by conditional logic) card field in the form.
*
* @since 1.8.2
*/
protected function is_card_field_visibility_ok() {
// If the form contains no fields with conditional logic the card field is visible by default.
if ( empty( $this->form_data['conditional_fields'] ) ) {
return true;
}
foreach ( $this->fields as $field ) {
if ( empty( $field['type'] ) || $this->api->get_config( 'field_slug' ) !== $field['type'] ) {
continue;
}
// if the field is NOT in array of conditional fields, it's visible.
if ( ! in_array( $field['id'], $this->form_data['conditional_fields'], true ) ) {
return true;
}
// if the field IS in array of conditional fields and marked as visible, it's visible.
if ( ! empty( $field['visible'] ) ) {
return true;
}
}
return false;
}
/**
* Log payment error.
*
* @since 1.8.2
*
* @param string $title Error title.
* @param string $message Error message.
* @param string $level Error level to add to 'payment' error level.
*/
protected function log_error( $title, $message = '', $level = 'error' ) {
if ( $message instanceof ApiErrorException ) {
$body = $message->getJsonBody();
$message = isset( $body['error']['message'] ) ? $body['error'] : $message->getMessage();
}
wpforms_log(
$title,
$message,
[
'type' => [ 'payment', $level ],
'form_id' => $this->form_id,
]
);
}
/**
* Collect errors from API and turn it into form errors.
*
* @since 1.8.2
*
* @param string $type Payment time (e.g. 'single' or 'subscription').
*/
protected function process_api_error( $type ) {
$message = $this->api->get_error();
if ( empty( $message ) ) {
return;
}
$message = sprintf(
/* translators: %s - error message. */
esc_html__( 'Payment Error: %s', 'wpforms-lite' ),
$message
);
$this->display_error( $message );
if ( $type === 'subscription' ) {
$title = esc_html__( 'Stripe subscription payment stopped by error', 'wpforms-lite' );
} else {
$title = esc_html__( 'Stripe payment stopped by error', 'wpforms-lite' );
}
$this->log_error( $title, $this->api->get_exception() );
}
/**
* Display form error.
*
* @since 1.8.2
*
* @param string $error Error to display.
*/
private function display_error( $error ) {
if ( ! $error ) {
return;
}
$field_slug = $this->api->get_config( 'field_slug' );
// Check if the form contains a required credit card. If it does
// and there was an error, return the error to the user and prevent
// the form from being submitted. This should not occur under normal
// circumstances.
foreach ( $this->form_data['fields'] as $field ) {
if ( empty( $field['type'] ) || $field_slug !== $field['type'] ) {
continue;
}
if ( ! empty( $field['required'] ) ) {
wpforms()->obj( 'process' )->errors[ $this->form_id ]['footer'] = $error;
return;
}
}
}
/**
* Process card error from Stripe API exception and adds rate limit tracking.
*
* @since 1.8.2
*
* @param ApiErrorException $e Stripe API exception to process.
*/
public function process_card_error( $e ) {
if ( Helpers::get_stripe_mode() === 'test' ) {
return;
}
if ( ! is_a( $e, '\WPForms\Vendor\Stripe\Exception\CardException' ) ) {
return;
}
/**
* Allow to filter Stripe process card error.
*
* @since 1.8.2
*
* @param bool $flag True if any error.
*/
if ( ! apply_filters( 'wpforms_stripe_process_process_card_error', true ) ) { // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
return;
}
$this->rate_limit->increment_attempts();
}
/**
* Check if rate limit is under threshold and passes.
*
* @since 1.8.2
*/
protected function is_rate_limit_ok() {
return $this->rate_limit->is_ok();
}
/**
* Check if any API errors occurs.
*
* @since 1.8.4
*
* @return bool
*/
protected function is_api_errors() {
$this->api->setup_stripe();
$error = $this->api->get_error();
if ( $error ) {
$this->process_api_error( 'general' );
return true;
}
return false;
}
/**
* Check if recurring settings is configured correctly.
*
* @since 1.8.4
*
* @param {array} $settings Settings data.
*
* @return bool
*/
protected function is_recurring_settings_ok( $settings ) {
$error = '';
// Check subscription settings are provided.
if ( empty( $settings['period'] ) || empty( $settings['email'] ) ) {
$error = esc_html__( 'Stripe subscription payment stopped, missing form settings.', 'wpforms-lite' );
}
// Check for required customer email.
if ( ! $error && empty( $this->fields[ $settings['email'] ]['value'] ) ) {
$error = esc_html__( 'Stripe subscription payment stopped, customer email not found.', 'wpforms-lite' );
}
// Before proceeding, check if any basic errors were detected.
if ( $error ) {
$this->log_error( $error );
$this->display_error( $error );
return false;
}
return true;
}
/**
* Process subscription API call.
*
* @since 1.8.4
*
* @param array $args Prepared subscription arguments.
*/
protected function process_subscription( $args ) {
$this->subscription_settings = $args['settings'];
if ( ! Helpers::is_license_ok() && Helpers::is_application_fee_supported() ) {
$args['application_fee_percent'] = 3;
}
$this->api->process_subscription( $args );
// Set payment processing flag.
$this->is_payment_processed = true;
// Update the credit card field value to contain basic details.
$this->update_credit_card_field_value();
$this->process_api_error( 'subscription' );
}
/**
* Get base subscription arguments.
*
* @since 1.8.4
*
* @return array
*/
protected function get_base_subscription_args() {
return [
'form_id' => $this->form_id,
'form_title' => sanitize_text_field( $this->form_data['settings']['form_title'] ),
'amount' => $this->amount * Helpers::get_decimals_amount(),
];
}
/**
* Map WPForms Address field to Stripe format.
*
* @since 1.8.8
*
* @param array $submitted_data Submitted address data.
* @param string $field_id Address field ID.
*
* @return array
*/
private function map_address_field( array $submitted_data, string $field_id ): array {
$line = sanitize_text_field( $submitted_data['address1'] );
$country = '';
if ( isset( $submitted_data['address2'] ) ) {
$line .= ' ' . sanitize_text_field( $submitted_data['address2'] );
}
if ( isset( $submitted_data['country'] ) ) {
$country = sanitize_text_field( $submitted_data['country'] );
} elseif ( $this->form_data['fields'][ $field_id ]['scheme'] !== 'international' ) {
$country = 'US';
}
return [
'line1' => $line,
'state' => isset( $submitted_data['state'] ) ? sanitize_text_field( $submitted_data['state'] ) : '',
'city' => sanitize_text_field( $submitted_data['city'] ),
'postal_code' => sanitize_text_field( $submitted_data['postal'] ),
'country' => $country,
];
}
/**
* Check the submitted payment data whether it was corrupted.
* If so, refund a payment / cancel subscription.
*
* @since 1.8.8.2
*
* @param array $entry Submitted entry data.
*
* @return bool
*/
private function is_submitted_payment_data_corrupted( array $entry ): bool {
// Bail early if there are no payment intents.
if ( empty( $entry['payment_intent_id'] ) ) {
return false;
}
// Get stored corrupted payment intents if exist.
$corrupted_intents = (array) Transient::get( 'corrupted-stripe-intents' );
// We must prevent a processing if payment intent was identified as corrupted.
// Also if the transaction ID exists in DB (transaction ID is unique value).
if ( in_array( $entry['payment_intent_id'], $corrupted_intents, true ) || wpforms()->obj( 'payment' )->get_by( 'transaction_id', $entry['payment_intent_id'] ) ) {
wpforms()->obj( 'process' )->errors[ $this->form_id ]['footer'] = esc_html__( 'Secondary form submission was declined.', 'wpforms-lite' );
return true;
}
$intent = $this->api->retrieve_payment_intent(
$entry['payment_intent_id'],
[
'expand' => [ 'invoice.subscription' ],
]
);
// Round to the nearest whole number because $this->amount can contain a number close to,
// but slightly under it, due to how it is stored in the memory.
$submitted_amount = round( $this->amount * Helpers::get_decimals_amount() );
// Prevent form submission if a mismatch of the payment amount is detected.
if ( ! empty( $intent ) && (int) $submitted_amount !== (int) $intent->amount ) {
wpforms()->obj( 'process' )->errors[ $this->form_id ]['footer'] = esc_html__( 'Irregular activity detected. Your submission has been declined and payment refunded.', 'wpforms-lite' );
$args = [
'reason' => 'fraudulent',
];
// We can't cancel a payment because it's already paid.
// So we can perform a refund only.
$this->api->refund_payment( $entry['payment_intent_id'], $args );
// Cancel subscription if exists.
if ( ! empty( $intent->invoice->subscription ) ) {
$this->api->cancel_subscription( $intent->invoice->subscription->id );
}
// This payment indent is identified as corrupted.
// Store it in order to prevent re-using it (form re-submitting).
if ( ! in_array( $entry['payment_intent_id'], $corrupted_intents, true ) ) {
$corrupted_intents[] = $entry['payment_intent_id'];
Transient::set( 'corrupted-stripe-intents', $corrupted_intents, WEEK_IN_SECONDS );
}
return true;
}
return false;
}
}
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