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<?php
// phpcs:ignoreFile -- this class currently unused, for reference only
/**
* PayPal Express Payment Gateway
*
* @since 1.0
*/
/**
* To do
* - do form validation before requesting paypal
*/
class Forminator_PayPal_Express extends Forminator_Payment_Gateway {
/**
* Gateway slug
*
* @var string
*/
protected $_slug = 'paypal_express';
/**
* Api mode
*
* @var string
*/
protected $api_mode = '';
/**
* Sandbox Client ID
*
* @var string
*/
protected $sandbox_id = '';
/**
* Sandbox Secret
*
* @var string
*/
protected $sandbox_secret = '';
/**
* Live Client Id
*
* @var string
*/
protected $live_id = '';
/**
* Live Secret
*
* @var string
*/
protected $live_secret = '';
/**
* Live Mode flag
*
* @var bool
*/
protected $is_live = false;
protected $redirect_url = '';
protected $apiContext = null;
/**
* PayPal API url
*/
protected $api_live = 'https://api.paypal.com/';
/**
* PayPal Sandbox API url
*/
protected $api_sandbox = 'https://api.sandbox.paypal.com/';
/**
* Currency
*
* @var string
*/
protected $currency = 'USD';
const INVALID_SANDBOX_SECRET_EXCEPTION = 90;
const INVALID_LIVE_SECRET_EXCEPTION = 91;
const INVALID_SANDBOX_ID_EXCEPTION = 92;
const INVALID_LIVE_ID_EXCEPTION = 93;
const EMPTY_SANDBOX_SECRET_EXCEPTION = 94;
const EMPTY_LIVE_SECRET_EXCEPTION = 95;
const EMPTY_SANDBOX_ID_EXCEPTION = 96;
const EMPTY_LIVE_ID_EXCEPTION = 97;
/**
* Init PayPal settings
*
* @since 1.0
*/
public function init_settings() {
global $wp;
$config = get_option( 'forminator_paypal_configuration', array() );
$this->sandbox_id = isset( $config['sandbox_id'] ) ? esc_html( $config['sandbox_id'] ) : '';
$this->sandbox_secret = isset( $config['sandbox_secret'] ) ? esc_html( $config['sandbox_secret'] ) : '';
$this->live_id = isset( $config['live_id'] ) ? esc_html( $config['live_id'] ) : '';
$this->live_secret = isset( $config['live_secret'] ) ? esc_html( $config['live_secret'] ) : '';
$this->currency = isset( $config['currency'] ) ? esc_html ( $config['currency'] ) : 'USD';
$this->_enabled = forminator_has_paypal_settings();
$this->redirect_url = home_url( $wp->request );
if ( empty( $this->sandbox_id ) && defined( 'FORMINATOR_PAYPAL_SANDBOX_ID' ) ) {
$this->sandbox_id = FORMINATOR_PAYPAL_SANDBOX_ID;
}
if ( empty( $this->sandbox_secret ) && defined( 'FORMINATOR_PAYPAL_SANDBOX_SECRET' ) ) {
$this->sandbox_secret = FORMINATOR_PAYPAL_SANDBOX_SECRET;
}
add_filter( 'script_loader_src', array( $this, 'forminator_remove_ver_paypal' ), 9999 );
}
/**
* @return string
*/
public function get_sandbox_id() {
return $this->sandbox_id;
}
/**
* @return string
*/
public function get_sandbox_secret() {
return $this->sandbox_secret;
}
/**
* @return string
*/
public function get_api_url( $mode ) {
if ( 'sandbox' === $mode ) {
return $this->api_sandbox;
}
return $this->api_live;
}
/**
* @return string
*/
public function get_live_id() {
return $this->live_id;
}
/**
* @return string
*/
public function get_live_secret() {
return $this->live_secret;
}
/**
* @return string
*/
public function get_default_currency() {
return $this->currency;
}
/**
* @return bool
*/
public function is_live() {
return $this->is_live;
}
/**
* Store stripe settings
*
* @param $settings
*/
public static function store_settings( $settings ) {
update_option( 'forminator_paypal_configuration', $settings );
}
/**
* @return bool
*/
public function is_live_ready() {
return ! empty( $this->live_id ) && ! empty( $this->live_secret );
}
/**
* @return bool
*/
public function is_test_ready() {
return ! empty( $this->sandbox_id ) && ! empty( $this->sandbox_secret );
}
/**
* @return bool
*/
public function is_ready() {
if ( $this->is_live ) {
return $this->is_live_ready();
}
return $this->is_test_ready();
}
/**
* @param bool $live
*/
public function set_live( $live ) {
$this->is_live = $live;
}
public static function is_available() {
$min_php_version = apply_filters( 'forminator_payments_paypal_min_php_version', '5.3' );
$loaded = forminator_payment_lib_paypal_version_loaded();
if ( version_compare( PHP_VERSION, $min_php_version, 'lt' ) ) {
return false;
}
return $loaded;
}
/**
* Handle purchase
*
* @since 1.0
*
* @param array $response
* @param array $product_fields
* @param $field_data_array
* @param int $entry_id
* @param int $page_id
* @param int $shipping
*
* @return array
*/
protected function handle_purchase( $response, $product_fields, $field_data_array, $entry_id, $page_id, $shipping ) {
return $response;
}
/**
* Gateway footer scripts
*
* @since 1.0
*/
public function gateway_footer_scripts() {
}
/**
* Gateway footer scripts
*
* @since 1.0
*/
public function render_buttons_script( $paypal_form_id ) {
}
/**
* @param $mode
* @param $id
* @param $secret
* @param $error
*
* @throws Forminator_Gateway_Exception
*/
public function validate_id( $mode, $id, $secret, $error = self::INVALID_SANDBOX_SECRET_EXCEPTION ) {
$args = array(
'headers' => array(
'Content-Type' => 'application/x-www-form-urlencoded',
'Authorization' => 'Basic ' . base64_encode( $id . ':' . $secret )
),
'body' => array(
'grant_type' => 'client_credentials',
),
);
try {
$result = $this->api_request( 'v1/oauth2/token', $mode, $args, 'POST' );
if ( ! isset( $result->access_token ) || empty( $result->access_token ) ) {
throw new Forminator_Gateway_Exception( __( 'Failed to configure PayPal payment', 'forminator' ) );
}
} catch ( Exception $e ) {
forminator_maybe_log( __METHOD__, $e->getMessage() );
throw new Forminator_Gateway_Exception(
__( 'Some error has occurred while connecting to your PayPal account. Please resolve the following errors and try to connect again.', 'forminator' ),
$error,
$e
);
}
}
/**
* Make request to PayPal API
*
* @since 1.15
*
* @param $request
* @param $mode
* @param $args
* @param $method
*
* @return array
*/
public function api_request( $request, $mode, $args = array(), $method = 'GET' ) {
// Add request to the api URL
$api_url = $this->get_api_url( $mode );
$url = $api_url . $request;
// If method is GET we have to add the args as URL params
if ( 'GET' === $method ) {
$url = add_query_arg( $args, $url );
}
// Determinate client ID & Secret from mode
$client_id = 'live' === $mode ? $this->live_id : $this->sandbox_id;
$client_secret = 'live' === $mode ? $this->live_secret : $this->sandbox_secret;
$headers = array(
'Content-Type' => 'application/json',
'Authorization' => 'Basic ' . base64_encode( $client_id . ':' . $client_secret )
);
$headers = isset( $args['headers'] ) ? wp_parse_args( $args['headers'], $headers ) : $headers;
$body = isset( $args['body'] ) ? $args['body'] : $args;
// If request is POST then we have to encode the body
if ( ! empty ( $body ) && 'POST' === $method ) {
if ( $headers['Content-Type'] === 'application/json' ) {
$body = json_encode( $body );
}
}
$query_args = array(
'method' => $method,
'headers' => $headers,
'sslverify' => apply_filters( 'forminator_paypal_request_sslverify', false ),
'timeout' => apply_filters( 'forminator_paypal_request_timeout', 30 ),
);
if ( ! empty( $body ) ) {
$query_args['body'] = $body;
}
$query_result = wp_remote_request( $url, $query_args );
if ( is_wp_error( $query_result ) ) {
return $query_result;
}
$result_body = wp_remote_retrieve_body( $query_result );
$body_decoded = json_decode( $result_body );
if ( empty( $body_decoded ) ) {
$body_decoded = array();
}
return $body_decoded;
}
/**
* Create Order with PayPal API request
*
* @since 1.14.5
*
* @param $order
* @param $mode
*
* @return mixed
*/
public function create_order( $order, $mode ) {
return $this->api_request( 'v2/checkout/orders', $mode, $order, 'POST' );
}
/**
* Get Order with PayPal API request
*
* @since 1.14.5
*
* @param $id
* @param $mode
*
* @return mixed
*/
public function get_order( $id, $mode ) {
return $this->api_request( 'v2/checkout/orders/' . $id, $mode );
}
/**
* Update Order with PayPal API request
*
* @since 1.14.5
*
* @param $id
* @param $mode
* @param $op
* @param $attribute
* @param $value
*
* @return mixed
*/
public function update_order( $id, $mode, $op, $attribute, $value ) {
$options = array(
array(
'op' => $op,
'path' => "/purchase_units/@reference_id=='default'/{$attribute}",
'value' => $value,
),
);
return $this->api_request( 'v2/checkout/orders/' . $id, $mode, $options, 'PATCH' );
}
/**
* Authorize Order with PayPal API request
*
* @since 1.14.5
*
* @param $id
* @param $mode
*
* @return mixed
*/
public function authorize_order( $id, $mode ) {
return $this->api_request( 'v2/checkout/orders/' . $id . '/authorize', $mode, array(), 'POST' );
}
/**
* Capture Order with PayPal API request
*
* @since 1.14.5
*
* @param $id
* @param $mode
*
* @return mixed
*/
public function capture_order( $id, $mode ) {
return $this->api_request( 'v2/checkout/orders/' . $id . '/capture', $mode, array(), 'POST' );
}
/**
* Remove ver from script
* @param $src
*
* @return string
*/
public function forminator_remove_ver_paypal( $src ) {
if ( strpos( $src, 'paypal.com' ) && strpos( $src, 'ver=' ) )
$src = remove_query_arg( 'ver', $src );
return $src;
}
}