public function get_by_id($item_number)
{
$pay = null;
//ARRAY OBJECT PASS GARNA
$pay_list = array();
//DATABASE CONNECTION
$this->db->connect();
//SELECT BY ID
$sql = "SELECT * FROM donations WHERE item_number=?";
//PREPARE
$stmt = $this->db->initialize($sql);
//BIND
$stmt->bind_param("i", $item_number);
//EXECUTE
$stmt->execute();
//BIND RESULT
$stmt->bind_result($pay_id, $item_name, $payment_amount, $txn_id, $payer_email, $item_number);
while ($stmt->fetch()) {
//instantiate object
$paypal = new Paypal();
$paypal->set_pay_id($pay_id);
$paypal->set_item_name($item_name);
$paypal->set_payment_amount($payment_amount);
$paypal->set_txn_id($txn_id);
$paypal->set_payer_email($payer_email);
$paypal->set_item_number($item_number);
array_push($pay_list, $paypal);
}
//CLOSE CONNECTION
$this->db->close();
return $pay_list;
}
private function ipn()
{
// CONFIG: Enable debug mode. This means we'll log requests into 'ipn.log' in the same directory.
// Especially useful if you encounter network errors or other intermittent problems with IPN (validation).
// Set this to 0 once you go live or don't require logging.
define("DEBUG", 1);
// Set to 0 once you're ready to go live
define("USE_SANDBOX", 1);
define("LOG_FILE", "./ipn.log");
// Read POST data
// reading posted data directly from $_POST causes serialization
// issues with array data in POST. Reading raw POST data from input stream instead.
$raw_post_data = file_get_contents('php://input');
$raw_post_array = explode('&', $raw_post_data);
$myPost = array();
foreach ($raw_post_array as $keyval) {
$keyval = explode('=', $keyval);
if (count($keyval) == 2) {
$myPost[$keyval[0]] = urldecode($keyval[1]);
}
}
// read the post from PayPal system and add 'cmd'
$req = 'cmd=_notify-validate';
if (function_exists('get_magic_quotes_gpc')) {
$get_magic_quotes_exists = true;
}
foreach ($myPost as $key => $value) {
if ($get_magic_quotes_exists == true && get_magic_quotes_gpc() == 1) {
$value = urlencode(stripslashes($value));
} else {
$value = urlencode($value);
}
$req .= "&{$key}={$value}";
}
// Post IPN data back to PayPal to validate the IPN data is genuine
// Without this step anyone can fake IPN data
if (USE_SANDBOX == true) {
$paypal_url = "https://www.sandbox.paypal.com/cgi-bin/webscr";
} else {
$paypal_url = "https://www.paypal.com/cgi-bin/webscr";
}
$ch = curl_init($paypal_url);
if ($ch == FALSE) {
return FALSE;
}
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $req);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($ch, CURLOPT_FORBID_REUSE, 1);
if (DEBUG == true) {
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLINFO_HEADER_OUT, 1);
}
// CONFIG: Optional proxy configuration
//curl_setopt($ch, CURLOPT_PROXY, $proxy);
//curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
// Set TCP timeout to 30 seconds
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: Close'));
// CONFIG: Please download 'cacert.pem' from "http://curl.haxx.se/docs/caextract.html" and set the directory path
// of the certificate as shown below. Ensure the file is readable by the webserver.
// This is mandatory for some environments.
//$cert = __DIR__ . "./cacert.pem";
//curl_setopt($ch, CURLOPT_CAINFO, $cert);
$res = curl_exec($ch);
if (curl_errno($ch) != 0) {
if (DEBUG == true) {
error_log(date('[Y-m-d H:i e] ') . "Can't connect to PayPal to validate IPN message: " . curl_error($ch) . PHP_EOL, 3, LOG_FILE);
}
curl_close($ch);
exit;
} else {
// Log the entire HTTP response if debug is switched on.
if (DEBUG == true) {
error_log(date('[Y-m-d H:i e] ') . "HTTP request of validation request:" . curl_getinfo($ch, CURLINFO_HEADER_OUT) . " for IPN payload: {$req}" . PHP_EOL, 3, LOG_FILE);
error_log(date('[Y-m-d H:i e] ') . "HTTP response of validation request: {$res}" . PHP_EOL, 3, LOG_FILE);
}
curl_close($ch);
}
// Inspect IPN validation result and act accordingly
// Split response headers and payload, a better way for strcmp
$tokens = explode("\r\n\r\n", trim($res));
$res = trim(end($tokens));
if (strcmp($res, "VERIFIED") == 0) {
// check whether the payment_status is Completed
// check that txn_id has not been previously processed
// check that receiver_email is your PayPal email
// check that payment_amount/payment_currency are correct
// process payment and mark item as paid.
// assign posted variables to local variables
$item_name = $_POST['item_name'];
$item_number = $_POST['item_number'];
$payment_status = $_POST['payment_status'];
$payment_amount = $_POST['mc_gross'];
$payment_currency = $_POST['mc_currency'];
$txn_id = $_POST['txn_id'];
$receiver_email = $_POST['receiver_email'];
$payer_email = $_POST['payer_email'];
//INSERT ACTIONS HERE
if ($payment_status == "Completed") {
$pay = new Paypal();
$pay->set_item_number($item_number);
$pay->set_item_name($item_name);
$pay->set_payment_amount($payment_amount);
$pay->set_txn_id($txn_id);
$pay->set_payer_email($payer_email);
$this->payrepository->insert($pay);
}
if (DEBUG == true) {
error_log(date('[Y-m-d H:i e] ') . "Verified IPN: {$req} " . PHP_EOL, 3, LOG_FILE);
}
} else {
if (strcmp($res, "INVALID") == 0) {
// log for manual investigation
// Add business logic here which deals with invalid IPN messages
if (DEBUG == true) {
error_log(date('[Y-m-d H:i e] ') . "Invalid IPN: {$req}" . PHP_EOL, 3, LOG_FILE);
}
}
}
}
// check that receiver_email is your PayPal email
// check that payment_amount/payment_currency are correct
// process payment and mark item as paid.
// assign posted variables to local variables
$item_name = $_POST['item_name'];
$item_number = $_POST['item_number'];
$payment_status = $_POST['payment_status'];
$r = $_POST['mc_gross'];
$payment_currency = $_POST['mc_currency'];
$txn_id = $_POST['txn_id'];
$receiver_email = $_POST['receiver_email'];
$payer_email = $_POST['payer_email'];
//INSERT ACTIONS HERE
if ($payment_status == "Completed") {
$pay = new Paypal();
$pay->set_item_name($item_name);
$pay->set_payment_amount($payment_amount);
$pay->set_txn_id($txn_id);
$pay->set_receiver_email($receiver_email);
$pay->set_payer_email($payer_email);
$this->payrepository->insert($pay);
}
if (DEBUG == true) {
error_log(date('[Y-m-d H:i e] ') . "Verified IPN: {$req} " . PHP_EOL, 3, LOG_FILE);
}
} else {
if (strcmp($res, "INVALID") == 0) {
// log for manual investigation
// Add business logic here which deals with invalid IPN messages
if (DEBUG == true) {
error_log(date('[Y-m-d H:i e] ') . "Invalid IPN: {$req}" . PHP_EOL, 3, LOG_FILE);