IPN が検証された後、いくつかの追加データをデータベースに挿入しようとしています。PayPal によって定義されたデフォルトのフォーム フィールドを正しく取得しますが、カスタムのフォーム フィールドを送信しようとすると、受信されません。
$insertTransaction の直後に、ユーザーが購入しているのと同じフォームから取得した別のテーブル (注文) にいくつかのカスタム値を追加したいとコメントで書き留めた私の IPN メソッドは次のとおりです。
public 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($ch) != 0) // cURL error
{
if(DEBUG == true) {
error_log(date('[Y-m-d H:i e] '). "Can't connect to PayPal to validate IPN message: " . curl_error($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: $res" . PHP_EOL, 3, LOG_FILE);
// Split response headers and payload
list($headers, $res) = explode("\r\n\r\n", $res, 2);
}
curl_close($ch);
}
// Inspect IPN validation result and act accordingly
if (strcmp ($res, "VERIFIED") == 0) {
if($_POST['payment_status'] != "Completed")
{
exit;
}
/*if(urldecode($_POST['receiver_email']) == 'anooxy@gmail.com')
{
exit;
}*/
$stmt = $this->db->prepare("SELECT * FROM transactions WHERE txn_id = :txn_id");
$stmt->bindValue(':txn_id', $_POST['txn_id']);
$stmt->execute();
$numRows = $stmt->rowCount();
if($numRows != 0)
{
exit;
}
$stmt->closeCursor();
$insertTransaction = $this->db->prepare('INSERT INTO transactions(txn_id, receiver, payer, item_name, payment_amount, payment_currency, payment_status, users_id)
VALUES(:txn_id, :receiver, :payer, :item_name, :payment_amount, :payment_currency, :payment_status, 6)');
$insertTransaction->execute(array(
':txn_id' => $_POST['txn_id'],
':receiver' => $_POST['receiver_email'],
':payer' => $_POST['payer_email'],
':item_name' => $_POST['item_name'],
':payment_amount' => $_POST['mc_gross'],
':payment_currency' => $_POST['mc_currency'],
':payment_status' => $_POST['payment_status']
));
// I WANT TO DO AN INSERTION OF SEVERAL CUSTOM VARIABLES TO ANOTHER TABLE (ORDERS)
// check whether the payment_status is Completed
// check that txn_id has not been previously processed
// check that receiver_email is your PayPal email
// check that payment_amount/payment_currency are correct
// process payment and mark item as paid.
// assign posted variables to local variables
//$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'];
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);
}
}
}
私のフォームHTMLは次のとおりです。
<form method="post" action="https://www.sandbox.paypal.com/cgi-bin/webscr" class="paypal-button" target="_top">
<input type="hidden" name="button" value="buynow">
<input type="hidden" name="item_name" value="10 Appuntamenti">
<input type="hidden" name="amount" value="1.00">
<input type="hidden" name="currency_code" value="EUR">
<input type="hidden" name="quantity" value="10">
<input type="hidden" name="lc" value="IT">
<input type="hidden" name="env" value="www.sandbox">
<input type="hidden" name="return" value="http://spazio.glend.me/utente/compra">
<input type="hidden" name="notify_url" value="http://spazio.glend.me/utente/ipn">
<input type="hidden" name="custom" value="">
<input type="hidden" name="rm" value="2"><input type="hidden" name="cmd" value="_xclick">
<input type="hidden" name="business" value="Y8WPHSYX7692E">
<input type="hidden" name="bn" value="JavaScriptButton_buynow">
<button type="submit" class="paypal-button large">Buy Now</button>
</form>
カスタム入力フィールドを無駄に追加しようとしました。どうすればこれを解決できますか?