Current File : /home/inteuuod/public_html/wp-content/plugins/edd-paystack/includes//class-frontend.php
<?php
namespace Tubiz\EDD_Paystack;
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
class Frontend {
public function __construct() {
$this->hooks();
}
public function hooks() {
add_filter( 'edd_payment_gateways', array( $this, 'register_paystack_gateway' ) );
add_action( 'edd_paystack_cc_form', '__return_false' );
add_action( 'edd_gateway_paystack', array( $this, 'process_payment' ) );
add_action( 'edd_pre_process_purchase', array( $this, 'is_paystack_configured' ), 1 );
add_action( 'init', array( $this, 'process_redirect' ) );
add_action( 'tbz_edd_paystack_redirect_verify', array( $this, 'process_redirect_payment' ) );
add_action( 'tbz_edd_paystack_ipn_verify', array( $this, 'process_ipn' ) );
add_filter( 'edd_currencies', array( $this, 'add_currencies' ) );
add_filter( 'edd_accepted_payment_icons', array( $this, 'payment_icons' ) );
add_filter( 'edd_currency_symbol', array( $this, 'extra_currency_symbol' ), 10, 2 );
add_filter( 'edd_ngn_currency_filter_before', array( $this, 'format_ngn_currency_before' ), 10, 3 );
add_filter( 'edd_ngn_currency_filter_after', array( $this, 'format_ngn_currency_after' ), 10, 3 );
add_filter( 'edd_ghs_currency_filter_before', array( $this, 'format_ghs_currency_before' ), 10, 3 );
add_filter( 'edd_ghs_currency_filter_after', array( $this, 'format_ghs_currency_after' ), 10, 3 );
add_filter( 'edd_zar_currency_filter_before', array( $this, 'format_zar_currency_before' ), 10, 3 );
add_filter( 'edd_zar_currency_filter_after', array( $this, 'format_zar_currency_after' ), 10, 3 );
add_filter( 'edd_kes_currency_filter_before', array( $this, 'format_kes_currency_before' ), 10, 3 );
add_filter( 'edd_kes_currency_filter_after', array( $this, 'format_kes_currency_after' ), 10, 3 );
add_filter( 'edd_kes_currency_filter_before', array( $this, 'format_egp_currency_before' ), 10, 3 );
add_filter( 'edd_kes_currency_filter_after', array( $this, 'format_egp_currency_after' ), 10, 3 );
add_filter( 'edd_kes_currency_filter_before', array( $this, 'format_xof_currency_before' ), 10, 3 );
add_filter( 'edd_kes_currency_filter_after', array( $this, 'format_xof_currency_after' ), 10, 3 );
add_filter( 'edd_rwf_currency_filter_before', array( $this, 'format_rwf_currency_before' ), 10, 3 );
add_filter( 'edd_rwf_currency_filter_after', array( $this, 'format_rwf_currency_after' ), 10, 3 );
}
/**
* @param $gateways
*
* @return mixed
*/
public function register_paystack_gateway( $gateways ) {
$gateways['paystack'] = array(
'admin_label' => __( 'Paystack', 'edd-paystack' ),
'checkout_label' => __( 'Paystack', 'edd-paystack' ),
);
return $gateways;
}
/**
*
*/
public function is_paystack_configured() {
$is_enabled = edd_is_gateway_active( 'paystack' );
$chosen_gateway = edd_get_chosen_gateway();
if ( 'paystack' === $chosen_gateway && ( ! $is_enabled || false === tbz_paystack_edd_is_setup() ) ) {
edd_set_error( 'paystack_gateway_not_configured', __( 'Paystack payment gateway is not setup.', 'edd-paystack' ) );
}
if ( 'paystack' === $chosen_gateway && ! in_array( strtoupper( edd_get_currency() ), $this->get_supported_currencies(), true ) ) {
edd_set_error( 'paystack_gateway_invalid_currency', __( 'Currency not supported by Paystack. Set the store currency to either EGP (EGP), GHS (GH₵), KES (Ksh), NGN (₦), USD ($), XOF (CFA) or ZAR (R)', 'edd-paystack' ) );
}
}
/**
* @param $paystack_data
*
* @return mixed
*/
public function get_payment_link( $paystack_data ) {
$paystack_url = 'https://api.paystack.co/transaction/initialize/';
if ( edd_get_option( 'edd_paystack_test_mode' ) ) {
$secret_key = trim( edd_get_option( 'edd_paystack_test_secret_key' ) );
} else {
$secret_key = trim( edd_get_option( 'edd_paystack_live_secret_key' ) );
}
$headers = array(
'Authorization' => 'Bearer ' . $secret_key,
);
$callback_url = add_query_arg( 'edd-listener', 'paystack', home_url( 'index.php' ) );
$body = array(
'amount' => $paystack_data['amount'],
'email' => $paystack_data['email'],
'reference' => $paystack_data['reference'],
'currency' => edd_get_currency(),
'callback_url' => $callback_url,
'metadata' => array(
'referrer' => esc_url( site_url() ),
),
);
$args = array(
'body' => $body,
'headers' => $headers,
'timeout' => 60,
);
$request = wp_remote_post( $paystack_url, $args );
if ( ! is_wp_error( $request ) && 200 === (int) wp_remote_retrieve_response_code( $request ) ) {
$paystack_response = json_decode( wp_remote_retrieve_body( $request ) );
} else {
$paystack_response = json_decode( wp_remote_retrieve_body( $request ) );
}
return $paystack_response;
}
/**
* @param $purchase_data
*/
public function process_payment( $purchase_data ) {
$payment_data = array(
'price' => $purchase_data['price'],
'date' => $purchase_data['date'],
'user_email' => $purchase_data['user_email'],
'purchase_key' => $purchase_data['purchase_key'],
'currency' => edd_get_currency(),
'downloads' => $purchase_data['downloads'],
'cart_details' => $purchase_data['cart_details'],
'user_info' => $purchase_data['user_info'],
'status' => 'pending',
'gateway' => 'paystack',
);
$payment_id = edd_insert_payment( $payment_data );
if ( false === $payment_id ) {
edd_record_gateway_error( 'Payment Error', sprintf( 'Payment creation failed before sending buyer to Paystack. Payment data: %s', wp_json_encode( $payment_data ) ), $payment_id );
edd_send_back_to_checkout( '?payment-mode=paystack' );
} else {
$paystack_data = array();
$transaction_id = 'EDD-' . $payment_id . '-' . uniqid();
$paystack_data['amount'] = $purchase_data['price'] * 100;
$paystack_data['email'] = $purchase_data['user_email'];
$paystack_data['reference'] = $transaction_id;
edd_set_payment_transaction_id( $payment_id, $transaction_id );
$get_payment_url = $this->get_payment_link( $paystack_data );
if ( isset( $get_payment_url->status ) && $get_payment_url->status ) {
// phpcs:ignore WordPress.Security.SafeRedirect.wp_redirect_wp_redirect
wp_redirect( $get_payment_url->data->authorization_url );
exit;
}
$default_error_message = __( 'Unable to connect to the payment gateway, try again.', 'edd-paystack' );
$error_message = $get_payment_url->message ?? $default_error_message;
edd_set_error( 'paystack_error', $error_message );
edd_send_back_to_checkout( '?payment-mode=paystack' );
}
}
/**
*
*/
public function process_redirect() {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( ! isset( $_GET['edd-listener'] ) ) {
return;
}
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( 'paystack' === strtolower( trim( sanitize_text_field( wp_unslash( $_GET['edd-listener'] ) ) ) ) ) {
do_action( 'tbz_edd_paystack_redirect_verify' );
}
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( 'paystackipn' === strtolower( trim( sanitize_text_field( wp_unslash( $_GET['edd-listener'] ) ) ) ) ) {
do_action( 'tbz_edd_paystack_ipn_verify' );
}
}
/**
*
*/
public function process_redirect_payment() {
if ( isset( $_REQUEST['trxref'] ) ) { // phpcs:ignore
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$transaction_id = sanitize_text_field( wp_unslash( $_REQUEST['trxref'] ) );
$the_payment_id = edd_get_purchase_id_by_transaction_id( $transaction_id );
$payment_status = edd_get_payment_status( $the_payment_id );
if ( $the_payment_id && in_array( $payment_status, array( 'publish', 'complete' ), true ) ) {
edd_empty_cart();
edd_send_to_success_page();
}
$paystack_txn = $this->verify_transaction( $transaction_id );
$order_info = explode( '-', $transaction_id );
$payment_id = $order_info[1];
if ( $payment_id && ! empty( $paystack_txn->data ) && ( 'success' === $paystack_txn->data->status ) ) {
$payment = new \EDD_Payment( $payment_id );
$order_total = edd_get_payment_amount( $payment_id );
$currency_symbol = edd_currency_symbol( $payment->currency );
$amount_paid = $paystack_txn->data->amount / 100;
$paystack_txn_ref = $paystack_txn->data->reference;
if ( $amount_paid < $order_total ) {
$formatted_amount_paid = $currency_symbol . $amount_paid;
$formatted_order_total = $currency_symbol . $order_total;
/* Translators: 1: Amount paid 2: Order total 3: Paystack transaction reference. */
$note = sprintf( __( 'Look into this purchase. This order is currently revoked. Reason: Amount paid is less than the total order amount. Amount Paid was %1$s while the total order amount is %2$s. Paystack Transaction Reference: %3$s', 'edd-paystack' ), $formatted_amount_paid, $formatted_order_total, $paystack_txn_ref );
$payment->status = 'revoked';
} else {
/* Translators: 1: Paystack transaction reference. */
$note = sprintf( __( 'Payment transaction was successful. Paystack Transaction Reference: %s', 'edd-paystack' ), $paystack_txn_ref );
$payment->status = 'publish';
}
$payment->add_note( $note );
$payment->transaction_id = $paystack_txn_ref;
$payment->save();
edd_empty_cart();
edd_send_to_success_page();
} else {
edd_set_error( 'failed_payment', __( 'Payment failed. Please try again.', 'edd-paystack' ) );
edd_send_back_to_checkout( '?payment-mode=paystack' );
}
}
}
/**
*
*/
public function process_ipn() {
if ( ! isset( $_SERVER['REQUEST_METHOD'] ) ) {
exit;
}
if ( ( 'POST' !== strtoupper( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_METHOD'] ) ) ) ) || ! array_key_exists( 'HTTP_X_PAYSTACK_SIGNATURE', $_SERVER ) ) {
exit;
}
$json = file_get_contents( 'php://input' );
if ( edd_get_option( 'edd_paystack_test_mode' ) ) {
$secret_key = trim( edd_get_option( 'edd_paystack_test_secret_key' ) );
} else {
$secret_key = trim( edd_get_option( 'edd_paystack_live_secret_key' ) );
}
// validate event do all at once to avoid timing attack
if ( hash_hmac( 'sha512', $json, $secret_key ) !== $_SERVER['HTTP_X_PAYSTACK_SIGNATURE'] ) {
exit;
}
$event = json_decode( $json );
if ( 'charge.success' === $event->event ) {
http_response_code( 200 );
$transaction_id = $event->data->reference;
$the_payment_id = edd_get_purchase_id_by_transaction_id( $transaction_id );
$payment_status = edd_get_payment_status( $the_payment_id );
if ( $the_payment_id && in_array( $payment_status, array( 'publish', 'complete' ), true ) ) {
exit;
}
$order_info = explode( '-', $transaction_id );
$payment_id = $order_info[1];
$saved_txn_ref = edd_get_payment_transaction_id( $payment_id );
if ( $event->data->reference !== $saved_txn_ref ) {
exit;
}
$payment = new \EDD_Payment( $payment_id );
if ( ! $payment ) {
exit;
}
$order_total = edd_get_payment_amount( $payment_id );
$currency_symbol = edd_currency_symbol( $payment->currency );
$amount_paid = $event->data->amount / 100;
$paystack_txn_ref = $event->data->reference;
if ( $amount_paid < $order_total ) {
$formatted_amount_paid = $currency_symbol . $amount_paid;
$formatted_order_total = $currency_symbol . $order_total;
/* Translators: 1: Amount paid 2: Order total 3: Paystack transaction reference. */
$note = sprintf( __( 'Look into this purchase. This order is currently revoked. Reason: Amount paid is less than the total order amount. Amount Paid was %1$s while the total order amount is %2$s. Paystack Transaction Reference: %3$s', 'edd-paystack' ), $formatted_amount_paid, $formatted_order_total, $paystack_txn_ref );
$payment->status = 'revoked';
$payment->add_note( $note );
$payment->transaction_id = $paystack_txn_ref;
} else {
/* Translators: 1: Paystack transaction reference. */
$note = sprintf( __( 'Payment transaction was successful. Paystack Transaction Reference: %s', 'edd-paystack' ), $paystack_txn_ref );
$payment->status = 'publish';
$payment->add_note( $note );
$payment->transaction_id = $paystack_txn_ref;
}
$payment->save();
exit;
}
exit;
}
/**
* @param $payment_token
*
* @return mixed
*/
public function verify_transaction( $payment_token ) {
$paystack_url = 'https://api.paystack.co/transaction/verify/' . $payment_token;
if ( edd_get_option( 'edd_paystack_test_mode' ) ) {
$secret_key = trim( edd_get_option( 'edd_paystack_test_secret_key' ) );
} else {
$secret_key = trim( edd_get_option( 'edd_paystack_live_secret_key' ) );
}
$headers = array(
'Authorization' => 'Bearer ' . $secret_key,
);
$args = array(
'headers' => $headers,
'timeout' => 60,
);
$request = wp_remote_get( $paystack_url, $args );
if ( ! is_wp_error( $request ) && 200 === (int) wp_remote_retrieve_response_code( $request ) ) {
$paystack_response = json_decode( wp_remote_retrieve_body( $request ) );
} else {
$paystack_response = json_decode( wp_remote_retrieve_body( $request ) );
}
return $paystack_response;
}
/**
* @param $currencies
*
* @return array
*/
public function add_currencies( $currencies ) {
$currencies['EGP'] = 'Egyptian Pound (EGP)';
$currencies['GHS'] = 'Ghanaian Cedi (GH₵)';
$currencies['KES'] = 'Kenyan Shilling (Ksh)';
$currencies['NGN'] = 'Nigerian Naira (₦)';
$currencies['ZAR'] = 'South African Rand (R)';
$currencies['XOF'] = 'West African CFA franc (CFA)';
$currencies['RWF'] = 'Rwandan franc (RWF)';
return $currencies;
}
/**
* @param $icons
*
* @return mixed
*/
public function payment_icons( $icons ) {
$icons[ TBZ_EDD_PAYSTACK_URL . 'assets/images/paystack-cards.png' ] = __( 'Paystack (Cards)', 'edd-paystack' );
$icons[ TBZ_EDD_PAYSTACK_URL . 'assets/images/paystack-gh.png' ] = __( 'Paystack (Ghana)', 'edd-paystack' );
$icons[ TBZ_EDD_PAYSTACK_URL . 'assets/images/paystack-ke.png' ] = __( 'Paystack (Kenya)', 'edd-paystack' );
$icons[ TBZ_EDD_PAYSTACK_URL . 'assets/images/paystack.png' ] = __( 'Paystack (Nigeria)', 'edd-paystack' );
$icons[ TBZ_EDD_PAYSTACK_URL . 'assets/images/paystack-za.png' ] = __( 'Paystack (South Africa)', 'edd-paystack' );
$icons[ TBZ_EDD_PAYSTACK_URL . 'assets/images/paystack-civ.png' ] = __( 'Paystack (Côte d’Ivoire)', 'edd-paystack' );
return $icons;
}
/**
* @param $symbol
* @param $currency
*
* @return mixed|string
*/
public function extra_currency_symbol( $symbol, $currency ) {
switch ( $currency ) {
case 'GHS':
$symbol = 'GH₵';
break;
case 'NGN':
$symbol = '₦';
break;
case 'KES':
$symbol = 'Ksh';
break;
case 'ZAR':
$symbol = 'R';
break;
case 'XOF':
$symbol = 'CFA';
break;
case 'EGP':
$symbol = 'EGP';
break;
case 'RWF':
$symbol = 'Fr';
break;
}
return $symbol;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_ngn_currency_before( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $symbol . $price;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_ngn_currency_after( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $price . $symbol;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_ghs_currency_before( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $symbol . ' ' . $price;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_ghs_currency_after( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $price . ' ' . $symbol;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_zar_currency_before( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $symbol . ' ' . $price;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_zar_currency_after( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $price . ' ' . $symbol;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_kes_currency_before( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $symbol . ' ' . $price;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_kes_currency_after( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $price . ' ' . $symbol;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_egp_currency_before( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $symbol . ' ' . $price;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_egp_currency_after( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $price . ' ' . $symbol;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_xof_currency_before( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $symbol . ' ' . $price;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_xof_currency_after( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $price . ' ' . $symbol;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_rwf_currency_before( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $symbol . ' ' . $price;
}
/**
* @param $formatted
* @param $currency
* @param $price
*
* @return string
*/
public function format_rwf_currency_after( $formatted, $currency, $price ) {
$symbol = edd_currency_symbol( $currency );
return $price . ' ' . $symbol;
}
private function get_supported_currencies() {
$supported_currencies = array( 'GHS', 'NGN', 'USD', 'ZAR', 'KES', 'XOF', 'EGP', 'RWF' );
/**
* Filters the currencies supported by Paystack.
*
* @param array $supported_currencies The array of currencies supported by Paystack.
*/
return apply_filters( 'edd_paystack_supported_currencies', $supported_currencies );
}
}
new namespace\Frontend();
