Paypal IPN 侦听器代码挂起/无响应
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【中文标题】Paypal IPN 侦听器代码挂起/无响应【英文标题】:Paypal IPN listener code hanging/not responding 【发布时间】:2014-02-26 18:26:45 【问题描述】:我正在使用贝宝网站上的“教科书”IPN 脚本示例。但是,通过 IPN 模拟器运行此代码时,加载时间很长,然后 PayPal 会抛出此错误:
Proxy Error
代理服务器收到来自上游服务器的无效响应。 代理服务器无法处理请求 POST /webapps/developer/applications/ipn_simulator.
原因:从远程服务器读取错误
这是我的 IPN 侦听器代码。
非常感谢您的帮助!
// Send an empty HTTP 200 OK response to acknowledge receipt of the notification
header('HTTP/1.1 200 OK');
// Assign payment notification values 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'];
$job_id = $_POST['custom'];
// Build the required acknowledgement message out of the notification just received
$req = 'cmd=_notify-validate'; // Add 'cmd=_notify-validate' to beginning of the acknowledgement
foreach ($_POST as $key => $value) // Loop through the notification NV pairs
$value = urlencode(stripslashes($value)); // Encode these values
$req .= "&$key=$value"; // Add the NV pairs to the acknowledgement
// Set up the acknowledgement request headers
$header = "POST /cgi-bin/webscr HTTP/1.1\r\n"; // HTTP POST request
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
// Open a socket for the acknowledgement request
$fp = fsockopen('ssl://www.sandbox.paypal.com', 443, $errno, $errstr, 30);
// Send the HTTP POST request back to PayPal for validation
fputs($fp, $header . $req);
while (!feof($fp)) // While not EOF
$res = fgets($fp, 1024); // Get the acknowledgement response
$message = 'fail';
if (strcmp ($res, "VERIFIED") == 0) // Response contains VERIFIED - process notification
// Possible processing steps for a payment include the following:
$job = $this->jobmodel->get_by_id($job_id);
// Process payment
$this->jobmodel->add_payment($job_id, $_POST);
$message = $job_id;
else if (strcmp ($res, "INVALID") == 0)
// Authentication protocol is complete - begin error handling
$message = 'fail';
$filename = 'Paypal IPN' . date('d-m-Y g-i', mktime());
$myFile = $_SERVER['DOCUMENT_ROOT']."/assets/html/paypal/$filename.html";
$fh = fopen($myFile, 'w') or die("can't open file");
fwrite($fh, $message);
fclose($fh);
fclose($fp); // Close the file
【问题讨论】:
【参考方案1】:您没有在 IPN 验证请求中发送“主机”标头,并且您的脚本似乎无法处理 HTTP 分块数据。 我建议从 this 示例开始并从那里开始工作。
<?php
// 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 ($res, "VERIFIED") == 0)
// check whether the payment_status is Completed
// check that txn_id has not been previously processed
// check that receiver_email is your PayPal email
// check that payment_amount/payment_currency are correct
// process payment and mark item as paid.
// assign posted variables to local variables
//$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);
?>
【讨论】:
谢谢。我会试试看,然后回来更新。以上是关于Paypal IPN 侦听器代码挂起/无响应的主要内容,如果未能解决你的问题,请参考以下文章
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