/home/edulekha/crm.edulekha.com/application/libraries/gateways/Stripe_gateway.php
<?php
defined('BASEPATH') or exit('No direct script access allowed');
class Stripe_gateway extends App_gateway
{
public $webhookEndPoint;
public bool $processingFees = true;
public function __construct()
{
$this->webhookEndPoint = site_url('gateways/stripe/webhook_endpoint');
/**
* Call App_gateway __construct function
*/
parent::__construct();
/**
* REQUIRED
* Gateway unique id
* The ID must be alpha/alphanumeric
*/
$this->setId('stripe');
/**
* REQUIRED
* Gateway name
*/
$this->setName('Stripe Checkout');
/**
* Add gateway settings
*/
$this->setSettings([
[
'name' => 'api_publishable_key',
'label' => 'settings_paymentmethod_stripe_api_publishable_key',
],
[
'name' => 'api_secret_key',
'encrypted' => true,
'label' => 'settings_paymentmethod_stripe_api_secret_key',
],
[
'name' => 'description_dashboard',
'label' => 'settings_paymentmethod_description',
'type' => 'textarea',
'default_value' => 'Payment for Invoice {invoice_number}',
],
[
'name' => 'currencies',
'label' => 'settings_paymentmethod_currencies',
'default_value' => 'USD,CAD',
],
[
'name' => 'allow_primary_contact_to_update_credit_card',
'type' => 'yes_no',
'default_value' => 1,
'label' => 'allow_primary_contact_to_update_credit_card',
],
]);
hooks()->add_action('before_render_payment_gateway_settings', 'stripe_gateway_webhook_check');
}
/**
* Get the current webhook object based on the endpoint
*
* @return bool|Stripe\WebhookEndpoint
*/
public function get_webhook_object()
{
if (! class_exists('stripe_core', false)) {
$this->ci->load->library('stripe_core');
}
$endpoints = $this->ci->stripe_core->list_webhook_endpoints();
$webhook = false;
foreach ($endpoints->data as $endpoint) {
if ($endpoint->url == $this->webhookEndPoint) {
$webhook = $endpoint;
break;
}
}
return $webhook;
}
/**
* Determine the Stripe environment based on the keys
*
* @return string
*/
public function environment()
{
$environment = 'production';
$apiKey = $this->decryptSetting('api_secret_key');
if (strpos($apiKey, 'sk_test') !== false) {
$environment = 'test';
}
return $environment;
}
/**
* Check whether the environment is test
*
* @return bool
*/
public function is_test()
{
return $this->environment() === 'test';
}
/**
* Process the payment
*
* @param array $data
*
* @return mixed
*/
public function process_payment($data)
{
$this->ci->load->library('stripe_core');
$description = str_replace('{invoice_number}', format_invoice_number($data['invoiceid']), $this->getSetting('description_dashboard'));
$items = [
'price_data' => [
'currency' => strtolower($data['invoice']->currency_name),
'product_data' => [
'name' => $description,
],
'unit_amount' => strcasecmp($data['invoice']->currency_name, 'JPY') == 0 ? intval($data['amount']) : intval($data['amount'] * 100),
],
'quantity' => 1,
];
$successUrl = site_url('gateways/stripe/success/' . $data['invoice']->id . '/' . $data['invoice']->hash);
$cancelUrl = site_url('invoice/' . $data['invoiceid'] . '/' . $data['invoice']->hash);
$sessionData = [
// 'payment_method_types' => ['card'],
'line_items' => [$items],
'mode' => 'payment',
'success_url' => $successUrl,
'cancel_url' => $cancelUrl,
'customer_creation' => 'always',
'payment_intent_data' => [
'description' => $description,
'metadata' => [
'ClientId' => $data['invoice']->clientid,
'InvoiceId' => $data['invoice']->id,
'InvoiceHash' => $data['invoice']->hash,
'payment_attempt_reference' => $data['payment_attempt']->reference,
],
],
'payment_method_options' => [
'card' => [
'setup_future_usage' => 'off_session',
],
],
];
if ($data['invoice']->client->stripe_id) {
$sessionData['customer'] = $data['invoice']->client->stripe_id;
unset($sessionData['customer_creation']);
}
if (is_client_logged_in() && ! $data['invoice']->client->stripe_id) {
$contact = $this->ci->clients_model->get_contact(get_contact_user_id());
if ($contact->email) {
$sessionData['customer_email'] = $contact->email;
}
}
try {
$session = $this->ci->stripe_core->create_session($sessionData);
} catch (Exception $e) {
set_alert('warning', $e->getMessage());
redirect(site_url('invoice/' . $data['invoiceid'] . '/' . $data['hash']));
}
redirect_to_stripe_checkout($session->id);
}
}
function stripe_gateway_webhook_check($gateway)
{
if ($gateway['id'] === 'stripe') {
$CI = &get_instance();
$CI->load->library('stripe_core');
if ($CI->stripe_core->has_api_key() && $gateway['active'] == '1') {
try {
$webhook = $CI->stripe_gateway->get_webhook_object();
} catch (Exception $e) {
echo '<div class="alert alert-warning">';
// useful when user add wrong keys
// e.q. This API call cannot be made with a publishable API key. Please use a secret API key. You can find a list of your API keys at https://dashboard.stripe.com/account/apikeys.
echo $e->getMessage();
echo '</div>';
return;
}
$environment = $CI->stripe_gateway->environment();
$endpoint = $CI->stripe_gateway->webhookEndPoint;
if ($CI->session->has_userdata('stripe-webhook-failure')) {
echo '<div class="alert alert-warning" style="margin-bottom:15px;">';
echo '<h4>Error: ' . $CI->session->userdata('stripe-webhook-failure') . '</h4>';
echo 'The system was unable to create the <b>required</b> webhook endpoint for Stripe.';
echo '<br />You should consider creating webhook manually directly via Stripe dashboard for your environment (' . $environment . ')';
echo '<br /><br /><b>Webhook URL:</b><br />' . $endpoint;
echo '<br /><br /><b>Webhook events:</b><br />' . implode(',<br />', $CI->stripe_core->get_webhook_events());
echo '</div>';
}
if (! $webhook || ! startsWith($webhook->url, site_url())) {
echo '<div class="alert alert-warning">';
echo 'Webhook endpoint (' . $endpoint . ') not found for ' . $environment . ' environment.';
echo '<br />Click <a href="' . site_url('gateways/stripe/create_webhook') . '">here</a> to create the webhook directly in Stripe.';
echo '</div>';
} elseif ($webhook && $webhook->id != get_option('stripe_webhook_id')) {
echo '<div class="alert alert-warning">';
echo 'The application stored Stripe webhook id does not match the configured webhook.';
echo '<br />Click <a href="' . site_url('gateways/stripe/create_webhook?recreate=true') . '">here</a> to re-create the webhook directly in Stripe and delete the old webhook.';
echo '</div>';
} elseif ($webhook && $webhook->status != 'enabled') {
echo '<div class="alert alert-warning">';
echo 'Your Stripe configured webhook is disabled, you should consider enabling your webhook via Stripe dashboard or by clicking <a href="' . site_url('gateways/stripe/enable_webhook') . '">here</a>.';
echo '</div>';
} elseif ($webhook && $webhook->api_version != Stripe\Stripe::getApiVersion()) {
echo '<div class="alert alert-warning">';
echo 'The Stripe API version used by the application does not match the configured webhook.';
echo '<br />Click <a href="' . site_url('gateways/stripe/create_webhook?recreate=true') . '">here</a> to re-create the webhook directly in Stripe and delete the old webhook.';
echo '</div>';
}
}
}
}