itflow/guest/guest_ajax.php

105 lines
3.5 KiB
PHP

<?php
/*
* guest_ajax.php
* Similar to post.php/ajax.php, but for unauthenticated requests using Asynchronous JavaScript
* Always returns data in JSON format, unless otherwise specified
*/
require_once "../config.php";
// Set Timezone
require_once "../includes/inc_set_timezone.php";
require_once "../functions.php";
require_once "../plugins/totp/totp.php";
/*
* Creates & Returns a Stripe Payment Intent for a particular invoice ID
*/
if (isset($_GET['stripe_create_pi'])) {
header('Content-Type: application/json');
// Params from POST (guest_pay_invoice_stripe.js)
$jsonStr = file_get_contents('php://input');
$jsonObj = json_decode($jsonStr, true);
$invoice_id = intval($jsonObj['invoice_id']);
$url_key = sanitizeInput($jsonObj['url_key']);
// Query invoice details
$invoice_sql = mysqli_query(
$mysqli,
"SELECT * FROM invoices
LEFT JOIN clients ON invoice_client_id = client_id
WHERE invoice_id = $invoice_id
AND invoice_url_key = '$url_key'
AND invoice_status NOT IN ('Draft','Paid','Cancelled')
LIMIT 1"
);
if (!$invoice_sql || mysqli_num_rows($invoice_sql) !== 1) {
exit("Invalid Invoice ID/SQL query");
}
$row = mysqli_fetch_array($invoice_sql);
$invoice_prefix = nullable_htmlentities($row['invoice_prefix']);
$invoice_number = intval($row['invoice_number']);
$invoice_amount = floatval($row['invoice_amount']);
$invoice_currency_code = nullable_htmlentities($row['invoice_currency_code']);
$client_id = intval($row['client_id']);
$client_name = nullable_htmlentities($row['client_name']);
// Add up all the payments for the invoice and get the total amount paid to the invoice
$sql_amount_paid = mysqli_query($mysqli, "SELECT SUM(payment_amount) AS amount_paid FROM payments WHERE payment_invoice_id = $invoice_id");
$row_amt = mysqli_fetch_array($sql_amount_paid);
$amount_paid = floatval($row_amt['amount_paid']);
$balance_to_pay = $invoice_amount - $amount_paid;
$balance_to_pay = round($balance_to_pay, 2);
if (intval($balance_to_pay) == 0) {
exit("No balance outstanding");
}
// Setup Stripe from payment_providers
$stripe_provider = mysqli_fetch_array(mysqli_query($mysqli, "SELECT * FROM payment_providers WHERE payment_provider_name = 'Stripe' LIMIT 1"));
if (!$stripe_provider) {
exit("Stripe not enabled / configured");
}
$stripe_secret_key = $stripe_provider['payment_provider_private_key'];
require_once '../plugins/stripe-php/init.php';
$pi_description = "ITFlow: $client_name payment of $invoice_currency_code $balance_to_pay for $invoice_prefix$invoice_number";
try {
\Stripe\Stripe::setApiKey($stripe_secret_key);
$paymentIntent = \Stripe\PaymentIntent::create([
'amount' => intval($balance_to_pay * 100), // Stripe expects cents
'currency' => $invoice_currency_code,
'description' => $pi_description,
'metadata' => [
'itflow_client_id' => $client_id,
'itflow_client_name' => $client_name,
'itflow_invoice_number' => $invoice_prefix . $invoice_number,
'itflow_invoice_id' => $invoice_id,
],
'payment_method_types' => ['card'],
]);
$output = [
'clientSecret' => $paymentIntent->client_secret,
];
echo json_encode($output);
} catch (Exception $e) {
http_response_code(500);
echo json_encode(['error' => $e->getMessage()]);
}
exit;
}