%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Class Paypal Payment gateway.
*
* @author ThimPress
* @package LearnPress/Classes
* @since 3.0.0
*/
/**
* Prevent loading this file directly
*/
defined( 'ABSPATH' ) || exit();
if ( ! class_exists( 'LP_Gateway_Paypal' ) ) {
/**
* Class LP_Gateway_Paypal.
*/
class LP_Gateway_Paypal extends LP_Gateway_Abstract {
/**
* @var null|string
*/
protected $paypal_live_url = null;
/**
* @var null|string
*/
protected $paypal_sandbox_url = null;
/**
* @var null|string
*/
protected $paypal_payment_live_url = null;
/**
* @var null|string
*/
protected $paypal_payment_sandbox_url = null;
/**
* @var null|string
*/
protected $paypal_nvp_api_live_url = null;
/**
* @var null
*/
protected $paypal_vnp_api_sandbox_url = null;
/**
* @var string
*/
protected $method = '';
/**
* @var null
*/
protected $paypal_url = null;
/**
* @var null
*/
protected $paypal_payment_url = null;
/**
* @var null
*/
protected $paypal_nvp_api_url = null;
/**
* @var null
*/
protected $paypal_email = '';
/**
* @var null
*/
protected $settings = null;
/**
* @var array
*/
protected $line_items = array();
/**
* LP_Gateway_Paypal constructor.
*/
public function __construct() {
$this->id = 'paypal';
$this->method_title = __( 'Paypal', 'learnpress' );
$this->method_description = __( 'Make payment via Paypal.', 'learnpress' );
$this->icon = '';
$this->title = __( 'Paypal', 'learnpress' );
$this->description = __( 'Pay with Paypal', 'learnpress' );
// live
$this->paypal_live_url = 'https://www.paypal.com/';
$this->paypal_payment_live_url = 'https://www.paypal.com/cgi-bin/webscr';
$this->paypal_nvp_api_live_url = 'https://api-3t.paypal.com/nvp';
// sandbox
$this->paypal_sandbox_url = 'https://www.sandbox.paypal.com/';
$this->paypal_payment_sandbox_url = 'https://www.sandbox.paypal.com/cgi-bin/webscr';
$this->paypal_nvp_api_sandbox_url = 'https://api-3t.sandbox.paypal.com/nvp';
// get settings
$this->settings = LP()->settings()->get_group( 'paypal', '' );
$this->enabled = $this->settings->get( 'enable' );
$this->init();
parent::__construct();
}
/**
* Init.
*/
public function init() {
if ( $this->is_enabled() ) {
if ( $this->settings->get( 'paypal_sandbox' ) == 'no' ) {
$this->paypal_url = $this->paypal_live_url;
$this->paypal_payment_url = $this->paypal_payment_live_url;
$this->paypal_nvp_api_url = $this->paypal_nvp_api_live_url;
$this->paypal_email = $this->settings->get( 'paypal_email' );
} else {
$this->paypal_url = $this->paypal_sandbox_url;
$this->paypal_payment_url = $this->paypal_payment_sandbox_url;
$this->paypal_nvp_api_url = $this->paypal_nvp_api_sandbox_url;
$this->paypal_email = $this->settings->get( 'paypal_sandbox_email' );
}
if ( did_action( 'init' ) ) {
$this->register_web_hook();
$this->parse_ipn();
} else {
add_action( 'init', array( $this, 'register_web_hook' ) );
add_action( 'init', array( $this, 'parse_ipn' ) );
}
add_action( 'learn_press_web_hook_learn_press_paypal', array( $this, 'web_hook_process_paypal' ) );
}
add_filter( 'learn-press/payment-gateway/' . $this->id . '/available', array(
$this,
'paypal_available'
), 10, 2 );
}
public function register_web_hook() {
learn_press_register_web_hook( 'paypal', 'learn_press_paypal' );
}
public function validate_ipn() {
$validate_ipn = array( 'cmd' => '_notify-validate' );
$validate_ipn += wp_unslash( $_POST );
// Send back post vars to paypal
$params = array(
'body' => $validate_ipn,
'timeout' => 60,
'httpversion' => '1.1',
'compress' => false,
'decompress' => false
);
// Post back to get a response
$response = wp_safe_remote_post( ! empty( $_REQUEST['test_ipn'] ) ? $this->paypal_payment_sandbox_url : $this->paypal_payment_live_url, $params );
if ( ! is_wp_error( $response ) && $response['response']['code'] >= 200 && $response['response']['code'] < 300 ) {
$body = wp_remote_retrieve_body( $response );
if ( 'VERIFIED' === $body ) {
return true;
}
}
return false;
}
public function web_hook_process_paypal( $request ) {
if ( $this->validate_ipn() ) {
if ( ! empty( $request['custom'] ) && ( $order = $this->get_order( $request['custom'] ) ) ) {
$request['payment_status'] = strtolower( $request['payment_status'] );
if ( isset( $request['test_ipn'] ) && 1 == $request['test_ipn'] && 'pending' == $request['payment_status'] ) {
$request['payment_status'] = 'completed';
}
$method = 'payment_status_' . $request['payment_status'];
$callback = array( $this, $method );
if ( is_callable( $callback ) ) {
call_user_func( $callback, $order, $request );
}
}
}
}
public function payment_method_name( $slug ) {
return $slug == 'paypal-standard' ? 'Paypal' : $slug;
}
/**
* Check payment gateway available.
*
* @param $default
* @param $payment
*
* @return bool
*/
public function paypal_available( $default, $payment ) {
if ( ! $this->is_enabled() ) {
return false;
}
// Empty live email and Sandbox mode also disabled
if ( $this->settings->get( "paypal_sandbox" ) != 'yes' && ! $this->settings->get( "paypal_email" ) ) {
return false;
}
// Enable Sandbox mode but it's email is empty
if ( ! $this->settings->get( "paypal_sandbox_email" ) && $this->settings->get( "paypal_sandbox" ) == 'yes' ) {
return false;
}
return $default;
}
public function get_order( $raw_custom ) {
$raw_custom = stripslashes( $raw_custom );
if ( ( $custom = json_decode( $raw_custom ) ) && is_object( $custom ) ) {
$order_id = $custom->order_id;
$order_key = $custom->order_key;
// Fallback to serialized data if safe. This is @deprecated in 2.3.11
} elseif ( preg_match( '/^a:2:{/', $raw_custom ) && ! preg_match( '/[CO]:\+?[0-9]+:"/', $raw_custom ) && ( $custom = LP_Helper::maybe_unserialize( $raw_custom ) ) ) {
$order_id = $custom[0];
$order_key = $custom[1];
// Nothing was found
} else {
_e( 'Error: order ID and key were not found in "custom".' );
return false;
}
$order = new LP_Order( $order_id );
if ( ! $order || $order->order_key !== $order_key ) {
printf( __( 'Error: Order Keys do not match %s and %s.' ), $order->order_key, $order_key );
return false;
}
return $order;
}
/**
* Retrieve order by paypal txn_id
*
* @param $txn_id
*
* @return int
*/
public function get_order_id( $txn_id ) {
$args = array(
'meta_key' => '_learn_press_transaction_method_id',
'meta_value' => $txn_id,
'numberposts' => 1, //we should only have one, so limit to 1
);
$orders = learn_press_get_orders( $args );
if ( $orders ) {
foreach ( $orders as $order ) {
return $order->ID;
}
}
return 0;
}
public function parse_ipn() {
if ( ! isset( $_REQUEST['ipn'] ) ) {
return;
}
require_once( 'paypal-ipn/ipn.php' );
}
public function process_order_paypal_standard() {
if ( ! empty( $_REQUEST['learn-press-transaction-method'] ) && ( 'paypal-standard' == $_REQUEST['learn-press-transaction-method'] ) ) {
// if we have a paypal-nonce in $_REQUEST that meaning user has clicked go back to our site after finished the transaction
// so, create a new order
if ( ! empty( $_REQUEST['paypal-nonce'] ) && wp_verify_nonce( $_REQUEST['paypal-nonce'], 'learn-press-paypal-nonce' ) ) {
if ( ! empty( $_REQUEST['tx'] ) ) //if PDT is enabled
{
$transaction_id = $_REQUEST['tx'];
} else if ( ! empty( $_REQUEST['txn_id'] ) ) //if PDT is not enabled
{
$transaction_id = $_REQUEST['txn_id'];
} else {
$transaction_id = null;
}
if ( ! empty( $_REQUEST['cm'] ) ) {
$transient_transaction_id = $_REQUEST['cm'];
} else if ( ! empty( $_REQUEST['custom'] ) ) {
$transient_transaction_id = $_REQUEST['custom'];
} else {
$transient_transaction_id = null;
}
if ( ! empty( $_REQUEST['st'] ) ) //if PDT is enabled
{
$transaction_status = $_REQUEST['st'];
} else if ( ! empty( $_REQUEST['payment_status'] ) ) //if PDT is not enabled
{
$transaction_status = $_REQUEST['payment_status'];
} else {
$transaction_status = null;
}
if ( ! empty( $transaction_id ) && ! empty( $transient_transaction_id ) && ! empty( $transaction_status ) ) {
$user = learn_press_get_current_user();
try {
//If the transient still exists, delete it and add the official transaction
if ( $transaction_object = learn_press_get_transient_transaction( 'lpps', $transient_transaction_id ) ) {
learn_press_delete_transient_transaction( 'lpps', $transient_transaction_id );
$order_id = $this->get_order_id( $transaction_id );
$order_id = learn_press_add_transaction(
array(
'order_id' => $order_id,
'method' => 'paypal-standard',
'method_id' => $transaction_id,
'status' => $transaction_status,
'user_id' => $user->get_id(),
'transaction_object' => $transaction_object['transaction_object']
)
);
wp_redirect( ( $confirm_page_id = learn_press_get_page_id( 'taken_course_confirm' ) ) && get_post( $confirm_page_id ) ? learn_press_get_order_confirm_url( $order_id ) : get_home_url() /* SITE_URL */ );
die();
}
}
catch ( Exception $e ) {
return false;
}
} else if ( is_null( $transaction_id ) && is_null( $transient_transaction_id ) && is_null( $transaction_status ) ) {
}
}
}
wp_redirect( get_home_url() /* SITE_URL */ );
die();
}
/**
* Handle a completed payment
*
* @param LP_Order $order
* @param array $request
*/
protected function payment_status_completed( $order, $request ) {
// order status is already completed
if ( $order->has_status( 'completed' ) ) {
exit;
}
if ( 'completed' === $request['payment_status'] ) {
$this->payment_complete( $order, ( ! empty( $request['txn_id'] ) ? $request['txn_id'] : '' ), __( 'IPN payment completed', 'learnpress' ) );
// save paypal fee
if ( ! empty( $request['mc_fee'] ) ) {
update_post_meta( $order->get_id(), '_transaction_fee', $request['mc_fee'] );
}
} else {
}
}
/**
* Handle a pending payment
*
* @param LP_Order
* @param Paypal IPN params
*/
protected function payment_status_pending( $order, $request ) {
$this->payment_status_completed( $order, $request );
}
/**
* @param LP_Order
* @param string $txn_id
* @param string $note - not use
*/
public function payment_complete( $order, $txn_id = '', $note = '' ) {
$order->payment_complete( $txn_id );
}
public function process_payment( $order ) {
$redirect = $this->get_request_url( $order );
$json = array(
'result' => $redirect ? 'success' : 'fail',
'redirect' => $redirect
);
return $json;
}
protected function prepare_line_items() {
$this->line_items = array();
if ( $items = LP()->get_cart()->get_items() ) {
foreach ( $items as $item ) {
$this->add_line_item( get_the_title( $item['item_id'] ), $item['quantity'], $item['total'] );
}
}
}
protected function add_line_item( $item_name, $quantity = 1, $amount = 0, $item_number = '' ) {
$index = ( sizeof( $this->line_items ) / 4 ) + 1;
if ( $amount < 0 || $index > 9 ) {
return false;
}
$this->line_items[ 'item_name_' . $index ] = html_entity_decode( $item_name ? $item_name : __( 'Item', 'learnpress' ), ENT_NOQUOTES, 'UTF-8' );
$this->line_items[ 'quantity_' . $index ] = $quantity;
$this->line_items[ 'amount_' . $index ] = $amount;
$this->line_items[ 'item_number_' . $index ] = $item_number;
return true;
}
public function get_item_lines() {
return $this->line_items;
}
public function get_request_url( $order_id ) {
$order = new LP_Order( $order_id );
$query = $this->get_paypal_args( $order );
$paypal_payment_url = $this->paypal_url . '?' . http_build_query( $query );
return $paypal_payment_url;
}
/**
* @param LP_Order $order
*
* @return array
*/
public function get_paypal_args( $order ) {
$checkout = LP()->checkout();
$this->prepare_line_items();
$custom = array(
'order_id' => $order->get_id(),
'order_key' => $order->get_order_key(),
'checkout_email' => $checkout->get_checkout_email()
);
$args = array_merge(
array(
'cmd' => '_cart',
'business' => $this->paypal_email,
'no_note' => 1,
'currency_code' => learn_press_get_currency(),
'charset' => 'utf-8',
'rm' => is_ssl() ? 2 : 1,
'upload' => 1,
'return' => esc_url( $this->get_return_url( $order ) ),
'cancel_return' => esc_url( learn_press_is_enable_cart() ? learn_press_get_page_link( 'cart' ) : get_home_url() /* SITE_URL */ ),
'bn' => 'LearnPress_Cart',
'custom' => json_encode( $custom ),
'notify_url' => get_home_url() /* SITE_URL */ . '/?' . learn_press_get_web_hook( 'paypal' ) . '=1'
),
$this->get_item_lines()
);
$args = apply_filters( 'learn_press_paypal_args', $args );
return apply_filters( 'learn-press/paypal/args', $args );
}
public function get_settings() {
return apply_filters(
'learn-press/gateway-payment/paypal/settings',
array(
array(
'title' => __( 'Enable', 'learnpress' ),
'id' => '[enable]',
'default' => 'no',
'type' => 'yes-no'
),
array(
'title' => __( 'Paypal Email', 'learnpress' ),
'id' => '[paypal_email]',
'type' => 'text',
'visibility' => array(
'state' => 'show',
'conditional' => array(
array(
'field' => '[enable]',
'compare' => '=',
'value' => 'yes'
),
array(
'field' => '[paypal_sandbox]',
'compare' => '!=',
'value' => 'yes'
)
)
)
),
array(
'title' => __( 'Sandbox Mode', 'learnpress' ),
'id' => '[paypal_sandbox]',
'default' => 'no',
'type' => 'yes-no',
'visibility' => array(
'state' => 'show',
'conditional' => array(
array(
'field' => '[enable]',
'compare' => '=',
'value' => 'yes'
)
)
)
),
array(
'title' => __( 'Sandbox Email Address', 'learnpress' ),
'id' => '[paypal_sandbox_email]',
'type' => 'text',
'visibility' => array(
'state' => 'show',
'conditional' => array(
array(
'field' => '[enable]',
'compare' => '=',
'value' => 'yes'
),
array(
'field' => '[paypal_sandbox]',
'compare' => '=',
'value' => 'yes'
)
)
)
)
)
);
}
public function get_icon() {
if ( empty( $this->icon ) ) {
$this->icon = LP()->plugin_url( 'assets/images/paypal.png' );
}
return parent::get_icon();
}
}
}
Zerion Mini Shell 1.0