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Payment_handler.php
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Payment_handler.php
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<?php
if (!defined('BASEPATH')) exit('No direct script access allowed');
/*
* InvoicePlane
*
* @author InvoicePlane Developers & Contributors
* @copyright Copyright (c) 2012 - 2018 InvoicePlane.com
* @license https://invoiceplane.com/license.txt
* @link https://invoiceplane.com
*/
/**
* Class Payment_Handler
*/
class Payment_Handler extends Base_Controller
{
/**
* Payment_Handler constructor.
*/
public function __construct()
{
parent::__construct();
$this->load->library('crypt');
$this->load->model('invoices/mdl_invoices');
}
/**
* Process the payment for the given invoice
*/
public function make_payment()
{
// Attempt to get the invoice
$invoice = $this->mdl_invoices->where('invoice_url_key', $this->input->post('invoice_url_key'))->get();
if ($invoice->num_rows() == 1) {
// Get the invoice data
$invoice = $invoice->row();
// Initialize the gateway
$driver = $this->input->post('gateway');
$d = strtolower($driver);
$gateway = $this->initialize_gateway($driver);
// Get the credit card data
$cc_number = $this->input->post('creditcard_number');
$cc_expire_month = $this->input->post('creditcard_expiry_month');
$cc_expire_year = $this->input->post('creditcard_expiry_year');
$cc_cvv = $this->input->post('creditcard_cvv');
if ($cc_number) {
try {
$credit_card = new \Omnipay\Common\CreditCard(array(
'number' => $cc_number,
'expiryMonth' => $cc_expire_month,
'expiryYear' => $cc_expire_year,
'cvv' => $cc_cvv
));
$credit_card->validate();
} catch (\Exception $e) {
// Redirect the user and display failure message
$this->session->set_flashdata('alert_error', trans('online_payment_card_invalid') . '<br/>' . $e->getMessage());
redirect('guest/payment_information/form/' . $invoice->invoice_url_key);
}
} else {
$credit_card = array();
}
// Set up the api data
$driver_currency = $this->mdl_settings->setting('gateway_' . $d . '_currency');
$request = array(
'amount' => $invoice->invoice_balance,
'currency' => $driver_currency,
'card' => $credit_card,
'description' => sprintf(trans('payment_description'), $invoice->invoice_number),
'metadata' => array(
'invoice_number' => $invoice->invoice_number,
'invoice_guest_url' => $invoice->invoice_url_key
),
'returnUrl' => site_url('guest/payment_handler/payment_return/' . $invoice->invoice_url_key . '/' . $driver),
'cancelUrl' => site_url('guest/payment_handler/payment_cancel/' . $invoice->invoice_url_key . '/' . $driver),
);
if ($d === 'worldpay') {
// Additional param for WorldPay
$request['cartId'] = $invoice->invoice_number;
}
$this->session->set_userdata($invoice->invoice_url_key . '_online_payment', $request);
// Send the request
$response = $gateway->purchase($request)->send();
// Process the response
if ($response->isSuccessful()) {
$payment_note = trans('transaction_reference') . ': ' . $response->getTransactionReference() . "\n";
$payment_note .= trans('payment_provider') . ': ' . ucwords(str_replace('_', ' ', $d));
// Set invoice to paid
$this->load->model('payments/mdl_payments');
$db_array = array(
'invoice_id' => $invoice->invoice_id,
'payment_date' => date('Y-m-d'),
'payment_amount' => $invoice->invoice_balance,
'payment_method_id' => $invoice->payment_method,
'payment_note' => $payment_note,
);
$this->mdl_payments->save(null, $db_array);
// Save gateway response
$db_array = array(
'invoice_id' => $invoice->invoice_id,
'merchant_response_date' => date('Y-m-d'),
'merchant_response_driver' => $driver,
);
$this->db->insert('ip_merchant_responses', $db_array);
// Redirect user and display the success message
$this->session->set_flashdata('alert_success', sprintf(trans('online_payment_payment_successful'), $invoice->invoice_number));
$this->session->keep_flashdata('alert_success');
redirect('guest/view/invoice/' . $invoice->invoice_url_key);
} elseif ($response->isRedirect()) {
// Redirect to offsite payment gateway
$response->redirect();
} else {
// Payment failed
// Save the response in the database
$db_array = array(
'invoice_id' => $invoice->invoice_id,
'merchant_response_date' => date('Y-m-d'),
'merchant_response_driver' => $driver,
'merchant_response' => $response->getMessage(),
);
$this->db->insert('ip_merchant_responses', $db_array);
// Redirect the user and display failure message
$this->session->set_flashdata('alert_error', trans('online_payment_payment_failed') . '<br/>' . $response->getMessage());
$this->session->keep_flashdata('alert_error');
redirect('guest/payment_information/form/' . $invoice->invoice_url_key);
}
}
}
private function initialize_gateway($driver)
{
$d = strtolower($driver);
$settings = get_gateway_settings($driver);
// Get the payment gateway fields
$this->config->load('payment_gateways');
$gateway_settings = $this->config->item('payment_gateways');
$gateway_settings = $gateway_settings[$driver];
$gateway_init = array();
foreach ($settings as $setting) {
// Sanitize the field key
$key = str_replace('gateway_' . $d . '_', '', $setting->setting_key);
$key = str_replace('gateway_' . $d, '', $key);
// skip empty key
if (!$key) {
continue;
}
// Decode password fields and checkboxes
if (isset($gateway_settings[$key]) && $gateway_settings[$key]['type'] == 'password') {
$value = $this->crypt->decode($setting->setting_value);
} elseif (isset($gateway_settings[$key]) && $gateway_settings[$key]['type'] == 'checkbox') {
$value = $setting->setting_value == 'on' ? true : false;
} else {
$value = $setting->setting_value;
}
$gateway_init[$key] = $value;
}
// Load Omnipay and initialize the gateway
$gateway = \Omnipay\Omnipay::create($driver);
$gateway->initialize($gateway_init);
return $gateway;
}
public function payment_return($invoice_url_key, $driver)
{
$d = strtolower($driver);
// See if the response can be validated
if ($this->payment_validate($invoice_url_key, $driver)) {
// Save the payment for the invoice
$this->load->model('payments/mdl_payments');
$invoice = $this->mdl_invoices->where('invoice_url_key', $invoice_url_key)->get()->row();
$db_array = array(
'invoice_id' => $invoice->invoice_id,
'payment_date' => date('Y-m-d'),
'payment_amount' => $invoice->invoice_balance,
'payment_method_id' => (get_setting('gateway_' . $d . '_payment_method')) ? get_setting('gateway_' . $d . '_payment_method') : 0
);
$this->mdl_payments->save(null, $db_array);
// Set the success flash message
$this->session->set_flashdata('alert_success', sprintf(trans('online_payment_payment_successful'), $invoice->invoice_number));
} else {
// Set the failure flash message
$this->session->set_flashdata('alert_error', trans('online_payment_payment_failed'));
}
// Redirect to guest invoice view with flash message
redirect('guest/view/invoice/' . $invoice_url_key);
}
private function payment_validate($invoice_url_key, $driver, $canceled = false)
{
// Attempt to get the invoice
$invoice = $this->mdl_invoices->where('invoice_url_key', $invoice_url_key)->get();
if ($invoice->num_rows() == 1) {
$invoice = $invoice->row();
if (!$canceled) {
$gateway = $this->initialize_gateway($driver);
// Load previous settings
$params = $this->session->userdata($invoice->invoice_url_key . '_online_payment');
if (isset($_GET['PayerID'])) {
$params['transactionReference'] = $_GET['PayerID'];
}
$response = $gateway->completePurchase($params)->send();
$message = $response->getMessage() ? $response->getMessage() : 'No details provided';
} else {
$response = '';
$message = 'Customer cancelled the purchase process';
}
// Create the record for ip_merchant_responses
$db_array = array(
'invoice_id' => $invoice->invoice_id,
'merchant_response_date' => date('Y-m-d'),
'merchant_response_driver' => $driver,
'merchant_response' => $message,
'merchant_response_reference' => $canceled ? '' : $response->getTransactionReference(),
);
$this->db->insert('ip_merchant_responses', $db_array);
return true;
}
return false;
}
public function payment_cancel($invoice_url_key, $driver)
{
// Validate the response
$this->payment_validate($invoice_url_key, $driver, true);
// Set the cancel flash message
$this->session->set_flashdata('alert_info', trans('online_payment_payment_cancelled'));
// Redirect to guest invoice view with flash message
redirect('guest/view/invoice/' . $invoice_url_key);
}
}