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<?php |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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/** |
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* WC_Stripe_API class. |
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* |
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* Communicates with Stripe API. |
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*/ |
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class WC_Stripe_API { |
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/** |
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* Stripe API Endpoint |
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*/ |
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const ENDPOINT = 'https://api.stripe.com/v1/'; |
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const STRIPE_API_VERSION = '2019-09-09'; |
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/** |
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* Secret API Key. |
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* @var string |
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*/ |
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private static $secret_key = ''; |
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/** |
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* Set secret API Key. |
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* @param string $key |
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*/ |
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public static function set_secret_key( $secret_key ) { |
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self::$secret_key = $secret_key; |
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} |
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/** |
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* Get secret key. |
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* @return string |
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*/ |
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public static function get_secret_key() { |
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if ( ! self::$secret_key ) { |
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$options = get_option( 'woocommerce_stripe_settings' ); |
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if ( isset( $options['testmode'], $options['secret_key'], $options['test_secret_key'] ) ) { |
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self::set_secret_key( 'yes' === $options['testmode'] ? $options['test_secret_key'] : $options['secret_key'] ); |
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} |
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} |
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return self::$secret_key; |
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} |
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/** |
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* Generates the user agent we use to pass to API request so |
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* Stripe can identify our application. |
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* |
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* @since 4.0.0 |
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* @version 4.0.0 |
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*/ |
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public static function get_user_agent() { |
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$app_info = array( |
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'name' => 'WooCommerce Stripe Gateway', |
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'version' => WC_STRIPE_VERSION, |
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'url' => 'https://woocommerce.com/products/stripe/', |
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); |
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return array( |
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'lang' => 'php', |
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'lang_version' => phpversion(), |
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'publisher' => 'woocommerce', |
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'uname' => php_uname(), |
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'application' => $app_info, |
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); |
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} |
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/** |
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* Generates the headers to pass to API request. |
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* |
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* @since 4.0.0 |
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* @version 4.0.0 |
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*/ |
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public static function get_headers() { |
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$user_agent = self::get_user_agent(); |
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$app_info = $user_agent['application']; |
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return apply_filters( |
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'woocommerce_stripe_request_headers', |
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array( |
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'Authorization' => 'Basic ' . base64_encode( self::get_secret_key() . ':' ), |
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'Stripe-Version' => self::STRIPE_API_VERSION, |
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'User-Agent' => $app_info['name'] . '/' . $app_info['version'] . ' (' . $app_info['url'] . ')', |
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'X-Stripe-Client-User-Agent' => json_encode( $user_agent ), |
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) |
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); |
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} |
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/** |
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* Send the request to Stripe's API |
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* |
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* @since 3.1.0 |
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* @version 4.0.6 |
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* @param array $request |
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* @param string $api |
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* @param string $method |
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* @param bool $with_headers To get the response with headers. |
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* @return stdClass|array |
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* @throws WC_Stripe_Exception |
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*/ |
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public static function request( $request, $api = 'charges', $method = 'POST', $with_headers = false ) { |
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WC_Stripe_Logger::log( "{$api} request: " . print_r( $request, true ) ); |
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$headers = self::get_headers(); |
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$idempotency_key = ''; |
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if ( 'charges' === $api && 'POST' === $method ) { |
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$customer = ! empty( $request['customer'] ) ? $request['customer'] : ''; |
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$source = ! empty( $request['source'] ) ? $request['source'] : $customer; |
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$idempotency_key = apply_filters( 'wc_stripe_idempotency_key', $request['metadata']['order_id'] . '-' . $source, $request ); |
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$headers['Idempotency-Key'] = $idempotency_key; |
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} |
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$response = wp_safe_remote_post( |
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self::ENDPOINT . $api, |
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array( |
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'method' => $method, |
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'headers' => $headers, |
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'body' => apply_filters( 'woocommerce_stripe_request_body', $request, $api ), |
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'timeout' => 70, |
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) |
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); |
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if ( is_wp_error( $response ) || empty( $response['body'] ) ) { |
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WC_Stripe_Logger::log( |
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'Error Response: ' . print_r( $response, true ) . PHP_EOL . PHP_EOL . 'Failed request: ' . print_r( |
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array( |
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'api' => $api, |
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'request' => $request, |
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'idempotency_key' => $idempotency_key, |
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), |
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true |
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) |
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); |
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throw new WC_Stripe_Exception( print_r( $response, true ), __( 'There was a problem connecting to the Stripe API endpoint.', 'woocommerce-gateway-stripe' ) ); |
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} |
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if ( $with_headers ) { |
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return array( |
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'headers' => wp_remote_retrieve_headers( $response ), |
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'body' => json_decode( $response['body'] ), |
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); |
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} |
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return json_decode( $response['body'] ); |
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} |
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/** |
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* Retrieve API endpoint. |
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* |
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* @since 4.0.0 |
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* @version 4.0.0 |
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* @param string $api |
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*/ |
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public static function retrieve( $api ) { |
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WC_Stripe_Logger::log( "{$api}" ); |
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$response = wp_safe_remote_get( |
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self::ENDPOINT . $api, |
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array( |
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'method' => 'GET', |
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'headers' => self::get_headers(), |
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'timeout' => 70, |
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) |
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); |
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if ( is_wp_error( $response ) || empty( $response['body'] ) ) { |
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WC_Stripe_Logger::log( 'Error Response: ' . print_r( $response, true ) ); |
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return new WP_Error( 'stripe_error', __( 'There was a problem connecting to the Stripe API endpoint.', 'woocommerce-gateway-stripe' ) ); |
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} |
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return json_decode( $response['body'] ); |
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} |
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/** |
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* Send the request to Stripe's API with level 3 data generated |
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* from the order. If the request fails due to an error related |
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* to level3 data, make the request again without it to allow |
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* the payment to go through. |
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* |
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* @since 4.3.2 |
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* @version 4.3.2 |
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* |
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* @param array $request Array with request parameters. |
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* @param string $api The API path for the request. |
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* @param array $level3_data The level 3 data for this request. |
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* @param WC_Order $order The order associated with the payment. |
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* |
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* @return stdClass|array The response |
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*/ |
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public static function request_with_level3_data( $request, $api, $level3_data, $order ) { |
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// Do not add level3 data it's the array is empty. |
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if ( empty( $level3_data ) ) { |
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return self::request( |
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$request, |
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$api |
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); |
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} |
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// If there's a transient indicating that level3 data was not accepted by |
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// Stripe in the past for this account, do not try to add level3 data. |
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if ( get_transient( 'wc_stripe_level3_not_allowed' ) ) { |
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return self::request( |
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$request, |
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$api |
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); |
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} |
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// Add level 3 data to the request. |
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$request['level3'] = $level3_data; |
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$result = self::request( |
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$request, |
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$api |
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); |
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$is_level3_param_not_allowed = ( |
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isset( $result->error ) |
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&& isset( $result->error->code ) |
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&& 'parameter_unknown' === $result->error->code |
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&& isset( $result->error->param ) |
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&& 'level3' === $result->error->param |
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); |
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$is_level_3data_incorrect = ( |
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isset( $result->error ) |
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&& isset( $result->error->type ) |
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&& 'invalid_request_error' === $result->error->type |
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); |
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if ( $is_level3_param_not_allowed ) { |
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// Set a transient so that future requests do not add level 3 data. |
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// Transient is set to expire in 3 months, can be manually removed if needed. |
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set_transient( 'wc_stripe_level3_not_allowed', true, 3 * MONTH_IN_SECONDS ); |
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} else if ( $is_level_3data_incorrect ) { |
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// Log the issue so we could debug it. |
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WC_Stripe_Logger::log( |
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'Level3 data sum incorrect: ' . PHP_EOL |
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. print_r( $result->error->message, true ) . PHP_EOL |
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. print_r( 'Order line items: ', true ) . PHP_EOL |
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. print_r( $order->get_items(), true ) . PHP_EOL |
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. print_r( 'Order shipping amount: ', true ) . PHP_EOL |
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. print_r( $order->get_shipping_total(), true ) . PHP_EOL |
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. print_r( 'Order currency: ', true ) . PHP_EOL |
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. print_r( $order->get_currency(), true ) |
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); |
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} |
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// Make the request again without level 3 data. |
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if ( $is_level3_param_not_allowed || $is_level_3data_incorrect ) { |
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unset( $request['level3'] ); |
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return WC_Stripe_API::request( |
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$request, |
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$api |
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); |
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} |
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return $result; |
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} |
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} |
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This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italy
is not defined by the methodfinale(...)
.The most likely cause is that the parameter was removed, but the annotation was not.