File "PaymentGateway.php"
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<?php
declare( strict_types=1 );
namespace Automattic\WooCommerce\Internal\Admin\Settings\PaymentProviders;
use Automattic\WooCommerce\Admin\PluginsHelper;
use Automattic\WooCommerce\Internal\Admin\Settings\PaymentProviders;
use Automattic\WooCommerce\Internal\Admin\Settings\Payments;
use Automattic\WooCommerce\Internal\Admin\Settings\Utils;
use Throwable;
use WC_HTTPS;
use WC_Payment_Gateway;
defined( 'ABSPATH' ) || exit;
/**
* The payment gateway provider class to handle all payment gateways that don't have a dedicated class.
*
* Extend this class for introducing gateway-specific behavior.
*/
class PaymentGateway {
// This is the default onboarding type for all gateways.
// It means that the payment extension will handle the onboarding.
const ONBOARDING_TYPE_EXTERNAL = 'external';
// This is the onboarding type for gateways that have a WooCommerce-tailored onboarding flow.
// This might mean just having the payment methods select step in the WooCommerce settings.
const ONBOARDING_TYPE_NATIVE = 'native';
// This is the onboarding type for gateways that have a WooCommerce in-context onboarding flow.
const ONBOARDING_TYPE_NATIVE_IN_CONTEXT = 'native_in_context';
// Payment method categories to inform the UI about grouping or the emphasis of payment methods.
const PAYMENT_METHOD_CATEGORY_PRIMARY = 'primary';
const PAYMENT_METHOD_CATEGORY_SECONDARY = 'secondary';
/**
* Extract the payment gateway provider details from the object.
*
* @param WC_Payment_Gateway $gateway The payment gateway object.
* @param int $order Optional. The order to assign.
* Defaults to 0 if not provided.
* @param string $country_code Optional. The country code for which the details are being gathered.
* This should be a ISO 3166-1 alpha-2 country code.
*
* @return array The payment gateway provider details.
*/
public function get_details( WC_Payment_Gateway $gateway, int $order = 0, string $country_code = '' ): array {
return array(
'id' => $gateway->id,
'_order' => $order,
'title' => $this->get_title( $gateway ),
'description' => $this->get_description( $gateway ),
'icon' => $this->get_icon( $gateway ),
'supports' => $this->get_supports_list( $gateway ),
'state' => array(
'enabled' => $this->is_enabled( $gateway ),
'account_connected' => $this->is_account_connected( $gateway ),
'needs_setup' => $this->needs_setup( $gateway ),
'test_mode' => $this->is_in_test_mode( $gateway ),
'dev_mode' => $this->is_in_dev_mode( $gateway ),
),
'management' => array(
'_links' => array(
'settings' => array(
'href' => $this->get_settings_url( $gateway ),
),
),
),
'onboarding' => array(
'type' => self::ONBOARDING_TYPE_EXTERNAL,
'state' => array(
'started' => $this->is_onboarding_started( $gateway ),
'completed' => $this->is_onboarding_completed( $gateway ),
'test_mode' => $this->is_in_test_mode_onboarding( $gateway ),
),
'_links' => array(
'onboard' => array(
'href' => $this->get_onboarding_url( $gateway ),
),
),
'recommended_payment_methods' => $this->get_recommended_payment_methods( $gateway, $country_code ),
),
'plugin' => $this->get_plugin_details( $gateway ),
);
}
/**
* Enhance this provider's payment extension suggestion with additional information.
*
* The details added do not require the payment extension to be active or a gateway instance.
*
* @param array $extension_suggestion The extension suggestion details.
*
* @return array The enhanced payment extension suggestion details.
*/
public function enhance_extension_suggestion( array $extension_suggestion ): array {
if ( empty( $extensionp['onboarding'] ) || ! is_array( $extension_suggestion['onboarding'] ) ) {
$extension_suggestion['onboarding'] = array();
}
if ( ! isset( $extension_suggestion['onboarding']['type'] ) ) {
$extension_suggestion['onboarding']['type'] = self::ONBOARDING_TYPE_EXTERNAL;
}
return $extension_suggestion;
}
/**
* Get the provider title of the payment gateway.
*
* This is the intended gateway title to use throughout the WC admin. It should be short.
*
* Note: We don't allow HTML tags in the title. All HTML tags will be stripped, including their contents.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return string The provider title of the payment gateway.
*/
public function get_title( WC_Payment_Gateway $payment_gateway ): string {
$title = $payment_gateway->get_method_title();
if ( ! is_string( $title ) || empty( $title ) ) {
return esc_html__( 'Unknown', 'woocommerce' );
}
$title = wp_strip_all_tags( html_entity_decode( $title, ENT_QUOTES | ENT_SUBSTITUTE ), true );
// Truncate the title.
return Utils::truncate_with_words( $title, 75 );
}
/**
* Get the provider description of the payment gateway.
*
* This is the intended gateway description to use throughout the WC admin. It should be short and to the point.
*
* Note: We don't allow HTML tags in the description. All HTML tags will be stripped, including their contents.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return string The provider description of the payment gateway.
*/
public function get_description( WC_Payment_Gateway $payment_gateway ): string {
$description = $payment_gateway->get_method_description();
if ( ! is_string( $description ) || empty( $description ) ) {
return '';
}
$description = wp_strip_all_tags( html_entity_decode( $description, ENT_QUOTES | ENT_SUBSTITUTE ), true );
// Truncate the description.
return Utils::truncate_with_words( $description, 130, '…' );
}
/**
* Get the provider icon URL of the payment gateway.
*
* We expect to receive a URL to an image file.
* If the gateway provides an <img> tag or a list of them, we will fall back to the default payments icon.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return string The provider icon URL of the payment gateway.
*/
public function get_icon( WC_Payment_Gateway $payment_gateway ): string {
$icon_url = $payment_gateway->icon ?? '';
if ( ! is_string( $icon_url ) || empty( $icon_url ) ) {
$icon_url = '';
}
$icon_url = trim( $icon_url );
// Test if it actually is a URL as some gateways put an <img> tag or a list of them.
if ( ! wc_is_valid_url( $icon_url ) ) {
// Fall back to the default payments icon.
return plugins_url( 'assets/images/icons/default-payments.svg', WC_PLUGIN_FILE );
}
return WC_HTTPS::force_https_url( $icon_url );
}
/**
* Get the provider supports list of the payment gateway.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return string[] The provider supports list of the payment gateway.
*/
public function get_supports_list( WC_Payment_Gateway $payment_gateway ): array {
$supports_list = $payment_gateway->supports ?? array();
if ( ! is_array( $supports_list ) ) {
return array();
}
// Sanitize the list to ensure it only contains a list of key-like strings.
$sanitized_list = array();
foreach ( $supports_list as $support ) {
if ( ! is_string( $support ) ) {
continue;
}
$sanitized_list[] = sanitize_key( $support );
}
// Ensure the list contains unique values and re-indexed.
return array_values( array_unique( $sanitized_list ) );
}
/**
* Check if the payment gateway is enabled.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return bool True if the payment gateway is enabled, false otherwise.
*/
public function is_enabled( WC_Payment_Gateway $payment_gateway ): bool {
return filter_var( $payment_gateway->enabled, FILTER_VALIDATE_BOOLEAN );
}
/**
* Check if the payment gateway needs setup.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return bool True if the payment gateway needs setup, false otherwise.
*/
public function needs_setup( WC_Payment_Gateway $payment_gateway ): bool {
return filter_var( $payment_gateway->needs_setup(), FILTER_VALIDATE_BOOLEAN );
}
/**
* Try to determine if the payment gateway is in test mode.
*
* This is a best-effort attempt, as there is no standard way to determine this.
* Trust the true value, but don't consider a false value as definitive.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return bool True if the payment gateway is in test mode, false otherwise.
*/
public function is_in_test_mode( WC_Payment_Gateway $payment_gateway ): bool {
// Try various gateway methods to check if the payment gateway is in test mode.
if ( is_callable( array( $payment_gateway, 'is_test_mode' ) ) ) {
return filter_var( $payment_gateway->is_test_mode(), FILTER_VALIDATE_BOOLEAN );
}
if ( is_callable( array( $payment_gateway, 'is_in_test_mode' ) ) ) {
return filter_var( $payment_gateway->is_in_test_mode(), FILTER_VALIDATE_BOOLEAN );
}
// Try various gateway option entries to check if the payment gateway is in test mode.
if ( is_callable( array( $payment_gateway, 'get_option' ) ) ) {
$test_mode = filter_var( $payment_gateway->get_option( 'test_mode', 'not_found' ), FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE );
if ( ! is_null( $test_mode ) ) {
return $test_mode;
}
$test_mode = filter_var( $payment_gateway->get_option( 'testmode', 'not_found' ), FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE );
if ( ! is_null( $test_mode ) ) {
return $test_mode;
}
}
return false;
}
/**
* Try to determine if the payment gateway is in dev mode.
*
* This is a best-effort attempt, as there is no standard way to determine this.
* Trust the true value, but don't consider a false value as definitive.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return bool True if the payment gateway is in dev mode, false otherwise.
*/
public function is_in_dev_mode( WC_Payment_Gateway $payment_gateway ): bool {
// Try various gateway methods to check if the payment gateway is in dev mode.
if ( is_callable( array( $payment_gateway, 'is_dev_mode' ) ) ) {
return filter_var( $payment_gateway->is_dev_mode(), FILTER_VALIDATE_BOOLEAN );
}
if ( is_callable( array( $payment_gateway, 'is_in_dev_mode' ) ) ) {
return filter_var( $payment_gateway->is_in_dev_mode(), FILTER_VALIDATE_BOOLEAN );
}
return false;
}
/**
* Check if the payment gateway has a payments processor account connected.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return bool True if the payment gateway account is connected, false otherwise.
* If the payment gateway does not provide the information, it will return true.
*/
public function is_account_connected( WC_Payment_Gateway $payment_gateway ): bool {
if ( is_callable( array( $payment_gateway, 'is_account_connected' ) ) ) {
return filter_var( $payment_gateway->is_account_connected(), FILTER_VALIDATE_BOOLEAN );
}
if ( is_callable( array( $payment_gateway, 'is_connected' ) ) ) {
return filter_var( $payment_gateway->is_connected(), FILTER_VALIDATE_BOOLEAN );
}
// Fall back to assuming that it is connected. This is the safest option.
return true;
}
/**
* Check if the payment gateway has started the onboarding process.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return bool True if the payment gateway has started the onboarding process, false otherwise.
* If the payment gateway does not provide the information,
* it will infer it from having a connected account.
*/
public function is_onboarding_started( WC_Payment_Gateway $payment_gateway ): bool {
if ( is_callable( array( $payment_gateway, 'is_onboarding_started' ) ) ) {
return filter_var( $payment_gateway->is_onboarding_started(), FILTER_VALIDATE_BOOLEAN );
}
// Fall back to inferring this from having a connected account.
return $this->is_account_connected( $payment_gateway );
}
/**
* Check if the payment gateway has completed the onboarding process.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return bool True if the payment gateway has completed the onboarding process, false otherwise.
* If the payment gateway does not provide the information,
* it will infer it from having a connected account.
*/
public function is_onboarding_completed( WC_Payment_Gateway $payment_gateway ): bool {
// Sanity check: If the onboarding has not started, it cannot be completed.
if ( ! $this->is_onboarding_started( $payment_gateway ) ) {
return false;
}
if ( is_callable( array( $payment_gateway, 'is_onboarding_completed' ) ) ) {
return filter_var( $payment_gateway->is_onboarding_completed(), FILTER_VALIDATE_BOOLEAN );
}
// Note: This is what WooPayments provides, but it should become standard.
if ( is_callable( array( $payment_gateway, 'is_account_partially_onboarded' ) ) ) {
return ! filter_var( $payment_gateway->is_account_partially_onboarded(), FILTER_VALIDATE_BOOLEAN );
}
// Fall back to inferring this from having a connected account.
return $this->is_account_connected( $payment_gateway );
}
/**
* Try to determine if the payment gateway is in test mode onboarding (aka sandbox or test-drive).
*
* This is a best-effort attempt, as there is no standard way to determine this.
* Trust the true value, but don't consider a false value as definitive.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return bool True if the payment gateway is in test mode onboarding, false otherwise.
*/
public function is_in_test_mode_onboarding( WC_Payment_Gateway $payment_gateway ): bool {
// Try various gateway methods to check if the payment gateway is in test mode onboarding.
if ( is_callable( array( $payment_gateway, 'is_test_mode_onboarding' ) ) ) {
return filter_var( $payment_gateway->is_test_mode_onboarding(), FILTER_VALIDATE_BOOLEAN );
}
if ( is_callable( array( $payment_gateway, 'is_in_test_mode_onboarding' ) ) ) {
return filter_var( $payment_gateway->is_in_test_mode_onboarding(), FILTER_VALIDATE_BOOLEAN );
}
return false;
}
/**
* Get the settings URL for a payment gateway.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return string The settings URL for the payment gateway.
*/
public function get_settings_url( WC_Payment_Gateway $payment_gateway ): string {
if ( is_callable( array( $payment_gateway, 'get_settings_url' ) ) ) {
return (string) $payment_gateway->get_settings_url();
}
return Utils::wc_payments_settings_url(
null,
array(
'section' => strtolower( $payment_gateway->id ),
'from' => Payments::FROM_PAYMENTS_SETTINGS,
)
);
}
/**
* Get the onboarding URL for the payment gateway.
*
* This URL should start or continue the onboarding process.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
* @param string $return_url Optional. The URL to return to after onboarding.
* This will likely get attached to the onboarding URL.
*
* @return string The onboarding URL for the payment gateway.
*/
public function get_onboarding_url( WC_Payment_Gateway $payment_gateway, string $return_url = '' ): string {
if ( is_callable( array( $payment_gateway, 'get_connection_url' ) ) ) {
// If we received no return URL, we will set the WC Payments Settings page as the return URL.
$return_url = ! empty( $return_url ) ? $return_url : admin_url( 'admin.php?page=wc-settings&tab=checkout&from=' . Payments::FROM_PROVIDER_ONBOARDING );
return (string) $payment_gateway->get_connection_url( $return_url );
}
// Fall back to pointing users to the payment gateway settings page to handle onboarding.
return $this->get_settings_url( $payment_gateway );
}
/**
* Get the plugin details for a payment gateway.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return array The plugin details for the payment gateway.
*/
public function get_plugin_details( WC_Payment_Gateway $payment_gateway ): array {
$entity_type = $this->get_containing_entity_type( $payment_gateway );
return array(
'_type' => $entity_type,
'slug' => $this->get_plugin_slug( $payment_gateway ),
// Only include the plugin file if the entity type is a regular plugin.
// We don't want to try to change the state of must-use plugins or themes.
'file' => PaymentProviders::EXTENSION_TYPE_WPORG === $entity_type ? $this->get_plugin_file( $payment_gateway ) : '',
// The gateway's underlying plugin is obviously active (aka the code is running).
'status' => PaymentProviders::EXTENSION_ACTIVE,
);
}
/**
* Get the source plugin slug of a payment gateway instance.
*
* It accounts for both regular and must-use plugins.
* If the gateway is registered through a theme, it will return the theme slug.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return string The plugin slug of the payment gateway.
* Empty string if a plugin slug could not be determined.
*/
public function get_plugin_slug( WC_Payment_Gateway $payment_gateway ): string {
global $wp_theme_directories;
// If the payment gateway object has a `plugin_slug` property, use it.
// This is useful for testing.
if ( isset( $payment_gateway->plugin_slug ) ) {
return (string) $payment_gateway->plugin_slug;
}
$gateway_class_filename = $this->get_class_filename( $payment_gateway );
// Bail if we couldn't get the gateway class filename.
if ( ! is_string( $gateway_class_filename ) ) {
return '';
}
$entity_type = $this->get_containing_entity_type( $payment_gateway );
// Bail if we couldn't determine the entity type.
if ( PaymentProviders::EXTENSION_TYPE_UNKNOWN === $entity_type ) {
return '';
}
if ( PaymentProviders::EXTENSION_TYPE_THEME === $entity_type ) {
// Find the theme directory it is part of and extract the slug.
// This accounts for both parent and child themes.
if ( is_array( $wp_theme_directories ) ) {
foreach ( $wp_theme_directories as $dir ) {
if ( str_starts_with( $gateway_class_filename, $dir ) ) {
return $this->extract_slug_from_path( substr( $gateway_class_filename, strlen( $dir ) ) );
}
}
}
// Bail if we couldn't find a match.
return '';
}
// By this point, we know that the payment gateway is part of a plugin.
// Extract the relative path of the class file to the plugins directory.
// We account for both regular and must-use plugins.
$gateway_class_plugins_path = trim( plugin_basename( $gateway_class_filename ), DIRECTORY_SEPARATOR );
return $this->extract_slug_from_path( $gateway_class_plugins_path );
}
/**
* Get the corresponding plugin file of the payment gateway, without the .php extension.
*
* This is useful for using the WP API to change the state of the plugin (activate or deactivate).
* We remove the .php extension since the WP API expects plugin files without it.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
* @param string $plugin_slug Optional. The payment gateway plugin slug to use directly.
*
* @return string The plugin file corresponding to the payment gateway plugin. Does not include the .php extension.
* In case of failures, it will return an empty string.
*/
public function get_plugin_file( WC_Payment_Gateway $payment_gateway, string $plugin_slug = '' ): string {
// If the payment gateway object has a `plugin_file` property, use it.
// This is useful for testing.
if ( isset( $payment_gateway->plugin_file ) ) {
$plugin_file = $payment_gateway->plugin_file;
// Sanity check.
if ( ! is_string( $plugin_file ) ) {
return '';
}
// Remove the .php extension from the file path. The WP API expects it without it.
return Utils::trim_php_file_extension( $plugin_file );
}
if ( empty( $plugin_slug ) ) {
$plugin_slug = $this->get_plugin_slug( $payment_gateway );
}
// Bail if we couldn't determine the plugin slug.
if ( empty( $plugin_slug ) ) {
return '';
}
$plugin_file = PluginsHelper::get_plugin_path_from_slug( $plugin_slug );
// Bail if we couldn't determine the plugin file.
if ( ! is_string( $plugin_file ) || empty( $plugin_file ) ) {
return '';
}
// Remove the .php extension from the file path. The WP API expects it without it.
return Utils::trim_php_file_extension( $plugin_file );
}
/**
* Try and determine a list of recommended payment methods for a payment gateway.
*
* This data is not always available, and it is up to the payment gateway to provide it.
* This is not a definitive list of payment methods that the gateway supports.
* The data is aimed at helping the user understand what payment methods are recommended for the gateway
* and potentially help them make a decision on which payment methods to enable.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
* @param string $country_code Optional. The country code for which to get recommended payment methods.
* This should be a ISO 3166-1 alpha-2 country code.
*
* @return array The recommended payment methods list for the payment gateway.
* Empty array if there are none.
*/
public function get_recommended_payment_methods( WC_Payment_Gateway $payment_gateway, string $country_code = '' ): array {
// Bail if the payment gateway does not implement the method.
if ( ! is_callable( array( $payment_gateway, 'get_recommended_payment_methods' ) ) ) {
return array();
}
// Get the "raw" recommended payment methods from the payment gateway.
$recommended_pms = call_user_func_array(
array( $payment_gateway, 'get_recommended_payment_methods' ),
array( 'country_code' => $country_code ),
);
if ( ! is_array( $recommended_pms ) ) {
// Bail if the recommended payment methods are not an array.
return array();
}
// Validate the received list items.
$recommended_pms = array_filter(
$recommended_pms,
array( $this, 'validate_recommended_payment_method' )
);
// Sort the list.
$recommended_pms = $this->sort_recommended_payment_methods( $recommended_pms );
// Extract, standardize, and sanitize the details for each recommended payment method.
$standardized_pms = array();
foreach ( $recommended_pms as $index => $recommended_pm ) {
// Use the index as the order since we sorted (and normalized) the list earlier.
$standardized_pms[] = $this->standardize_recommended_payment_method( $recommended_pm, $index );
}
return $standardized_pms;
}
/**
* Validate a recommended payment method entry.
*
* @param mixed $recommended_pm The recommended payment method entry to validate.
*
* @return bool True if the recommended payment method entry is valid, false otherwise.
*/
protected function validate_recommended_payment_method( $recommended_pm ): bool {
// We require at least `id` and `title`.
return is_array( $recommended_pm ) &&
! empty( $recommended_pm['id'] ) &&
! empty( $recommended_pm['title'] );
}
/**
* Sort the recommended payment methods.
*
* @param array $recommended_pms The recommended payment methods list to sort.
*
* @return array The sorted recommended payment methods list.
* List keys are not preserved.
*/
protected function sort_recommended_payment_methods( array $recommended_pms ): array {
// Sort the recommended payment methods by order/priority, if available.
usort(
$recommended_pms,
function ( $a, $b ) {
// `order` takes precedence over `priority`.
// Entries that don't have the order/priority are placed at the end.
return array( ( $a['order'] ?? PHP_INT_MAX ), ( $a['priority'] ?? PHP_INT_MAX ) ) <=> array( ( $b['order'] ?? PHP_INT_MAX ), ( $b['priority'] ?? PHP_INT_MAX ) );
}
);
return array_values( $recommended_pms );
}
/**
* Standardize a recommended payment method entry.
*
* @param array $recommended_pm The recommended payment method entry to standardize.
* @param int $order Optional. The order of the recommended payment method.
* Defaults to 0 if not provided.
*
* @return array The standardized recommended payment method entry.
*/
protected function standardize_recommended_payment_method( array $recommended_pm, int $order = 0 ): array {
$standard_details = array(
'id' => sanitize_key( $recommended_pm['id'] ),
'_order' => $order,
// Default to enabled if not explicit.
'enabled' => filter_var( $recommended_pm['enabled'] ?? true, FILTER_VALIDATE_BOOLEAN ),
// Default to not required if not explicit.
'required' => filter_var( $recommended_pm['required'] ?? false, FILTER_VALIDATE_BOOLEAN ),
'title' => sanitize_text_field( $recommended_pm['title'] ),
'description' => '',
'icon' => '',
'category' => self::PAYMENT_METHOD_CATEGORY_PRIMARY, // Default to primary.
);
// If the payment method has a description, sanitize it before use.
if ( ! empty( $recommended_pm['description'] ) ) {
$standard_details['description'] = (string) $recommended_pm['description'];
// Make sure that if we have HTML tags, we only allow stylistic tags and anchors.
if ( preg_match( '/<[^>]+>/', $standard_details['description'] ) ) {
// Only allow stylistic tags with a few modifications.
$allowed_tags = wp_kses_allowed_html( 'data' );
$allowed_tags = array_merge(
$allowed_tags,
array(
'a' => array(
'href' => true,
'target' => true,
),
)
);
$standard_details['description'] = wp_kses( $standard_details['description'], $allowed_tags );
}
}
// If the payment method has an icon, try to use it.
if ( ! empty( $recommended_pm['icon'] ) && wc_is_valid_url( $recommended_pm['icon'] ) ) {
$standard_details['icon'] = sanitize_url( $recommended_pm['icon'] );
}
// If the payment method has a category, use it if it's one of the known categories.
if ( ! empty( $recommended_pm['category'] ) &&
in_array( $recommended_pm['category'], array( self::PAYMENT_METHOD_CATEGORY_PRIMARY, self::PAYMENT_METHOD_CATEGORY_SECONDARY ), true ) ) {
$standard_details['category'] = $recommended_pm['category'];
}
return $standard_details;
}
/**
* Get the filename of the payment gateway class.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return string|null The filename of the payment gateway class or null if it cannot be determined.
*/
private function get_class_filename( WC_Payment_Gateway $payment_gateway ): ?string {
// If the payment gateway object has a `class_filename` property, use it.
// It is only used in development environments (including when running tests).
if ( isset( $payment_gateway->class_filename ) && in_array( wp_get_environment_type(), array( 'local', 'development' ), true ) ) {
$class_filename = $payment_gateway->class_filename;
} else {
try {
$reflector = new \ReflectionClass( get_class( $payment_gateway ) );
$class_filename = $reflector->getFileName();
} catch ( Throwable $e ) {
// Bail if we couldn't get the gateway class filename.
return null;
}
}
// Bail if we couldn't get the gateway class filename.
if ( ! is_string( $class_filename ) ) {
return null;
}
return $class_filename;
}
/**
* Get the type of entity the payment gateway class is contained in.
*
* @param WC_Payment_Gateway $payment_gateway The payment gateway object.
*
* @return string The type of extension containing the payment gateway class.
*/
private function get_containing_entity_type( WC_Payment_Gateway $payment_gateway ): string {
global $wp_plugin_paths, $wp_theme_directories;
// If the payment gateway object has a `extension_type` property, use it.
// This is useful for testing.
if ( isset( $payment_gateway->extension_type ) ) {
// Validate the extension type.
if ( ! in_array(
$payment_gateway->extension_type,
array(
PaymentProviders::EXTENSION_TYPE_WPORG,
PaymentProviders::EXTENSION_TYPE_MU_PLUGIN,
PaymentProviders::EXTENSION_TYPE_THEME,
),
true
) ) {
return PaymentProviders::EXTENSION_TYPE_UNKNOWN;
}
return $payment_gateway->extension_type;
}
$gateway_class_filename = $this->get_class_filename( $payment_gateway );
// Bail if we couldn't get the gateway class filename.
if ( ! is_string( $gateway_class_filename ) ) {
return PaymentProviders::EXTENSION_TYPE_UNKNOWN;
}
// Plugin paths logic closely matches the one in plugin_basename().
// $wp_plugin_paths contains normalized paths.
$file = wp_normalize_path( $gateway_class_filename );
arsort( $wp_plugin_paths );
// Account for symlinks in the plugin paths.
foreach ( $wp_plugin_paths as $dir => $realdir ) {
if ( str_starts_with( $file, $realdir ) ) {
$gateway_class_filename = $dir . substr( $gateway_class_filename, strlen( $realdir ) );
}
}
// Test for regular plugins.
if ( str_starts_with( $gateway_class_filename, wp_normalize_path( WP_PLUGIN_DIR ) ) ) {
// For now, all plugins are considered WordPress.org plugins.
return PaymentProviders::EXTENSION_TYPE_WPORG;
}
// Test for must-use plugins.
if ( str_starts_with( $gateway_class_filename, wp_normalize_path( WPMU_PLUGIN_DIR ) ) ) {
return PaymentProviders::EXTENSION_TYPE_MU_PLUGIN;
}
// Check if it is part of a theme.
if ( is_array( $wp_theme_directories ) ) {
foreach ( $wp_theme_directories as $dir ) {
// Check if the class file is in a theme directory.
if ( str_starts_with( $gateway_class_filename, $dir ) ) {
return PaymentProviders::EXTENSION_TYPE_THEME;
}
}
}
// Default to an unknown type.
return PaymentProviders::EXTENSION_TYPE_UNKNOWN;
}
/**
* Extract the slug from a given path.
*
* It can be a directory or file path.
* This should be a relative path since the top-level directory or file name will be used as the slug.
*
* @param string $path The path to extract the slug from.
*
* @return string The slug extracted from the path.
*/
private function extract_slug_from_path( string $path ): string {
$path = trim( $path );
$path = trim( $path, DIRECTORY_SEPARATOR );
// If the path is just a file name, use it as the slug.
if ( false === strpos( $path, DIRECTORY_SEPARATOR ) ) {
return Utils::trim_php_file_extension( $path );
}
$parts = explode( DIRECTORY_SEPARATOR, $path );
// Bail if we couldn't get the parts.
if ( ! is_array( $parts ) ) {
return '';
}
return reset( $parts );
}
}