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Payment Notification
MTA Stores
use_sandbox = true; } /** * Sets curl to use php curl's built in certs (may be required in some * environments). * @return void */ public function usePHPCerts() { $this->use_local_certs = false; } /** * Determine endpoint to post the verification data to. * * @return string */ public function getPaypalUri() { if ($this->use_sandbox) { return self::SANDBOX_VERIFY_URI; } else { return self::VERIFY_URI; } } /** * Verification Function * Sends the incoming post data back to PayPal using the cURL library. * * @return bool * @throws Exception */ public function verifyIPN() { if ( ! count($_POST)) { throw new Exception("Missing POST Data"); } $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) { // Since we do not want the plus in the datetime string to be encoded to a space, we manually encode it. if ($keyval[0] === 'payment_date') { if (substr_count($keyval[1], '+') === 1) { $keyval[1] = str_replace('+', '%2B', $keyval[1]); } } $myPost[$keyval[0]] = urldecode($keyval[1]); } } // Build the body of the verification post request, adding the _notify-validate command. $req = 'cmd=_notify-validate'; $get_magic_quotes_exists = false; 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 the data back to PayPal, using curl. Throw exceptions if errors occur. $ch = curl_init($this->getPaypalUri()); 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_SSLVERSION, 6); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); // This is often required if the server is missing a global cert bundle, or is using an outdated one. if ($this->use_local_certs) { curl_setopt($ch, CURLOPT_CAINFO, __DIR__ . "/cert/cacert.pem"); } curl_setopt($ch, CURLOPT_FORBID_REUSE, 1); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); curl_setopt($ch, CURLOPT_HTTPHEADER, array( 'User-Agent: PHP-IPN-Verification-Script', 'Connection: Close', )); $res = curl_exec($ch); if ( ! ($res)) { $errno = curl_errno($ch); $errstr = curl_error($ch); curl_close($ch); throw new Exception("cURL error: [$errno] $errstr"); } $info = curl_getinfo($ch); $http_code = $info['http_code']; if ($http_code != 200) { throw new Exception("PayPal responded with http code $http_code"); } curl_close($ch); // Check if PayPal verifies the IPN data, and if so, return true. if ($res == self::VALID) { return true; } else { return false; } } }
use_local_certs = false; } /** * Determine endpoint to post the verification data to. * * @return string */ public function getPaypalUri() @@ -58,7 +51,6 @@ public function getPaypalUri() } } /** * Verification Function * Sends the incoming post data back to PayPal using the cURL library. @@ -119,7 +111,10 @@ public function verifyIPN() } curl_setopt($ch, CURLOPT_FORBID_REUSE, 1); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: Close')); curl_setopt($ch, CURLOPT_HTTPHEADER, array( 'User-Agent: PHP-IPN-Verification-Script', 'Connection: Close', )); $res = curl_exec($ch); if ( ! ($res)) { $errno = curl_errno($ch); $errstr = curl_error($ch); curl_close($ch); throw new Exception("cURL error: [$errno] $errstr"); } $info = curl_getinfo($ch); $http_code = $info['http_code']; if ($http_code != 200) { throw new Exception("PayPal responded with http code $http_code"); } curl_close($ch); // Check if PayPal verifies the IPN data, and if so, return true. if ($res == self::VALID) { return true; } else { return false; } }
©️ Copyright 2020 MN Trappers Assn. All rights reserved.
©️ Copyright 2019 MN Trappers Assn. All rights reserved.
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