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<?php |
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/* |
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PayPal Payment Module |
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|
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[Procedure 1] Setting Up My Account with PayPal |
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My Account - Profile - Website Payment Preferences |
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|
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* Auto Return: On |
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* Return URL : 'The URL of the shop top page'/index.php?page_id='The ID of the cart page'&acting=paypal&acting_return=1 |
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When You use SSL, please change 'http://' in 'https://'. In the case of common-use SSL, please make entry of common use SSL. |
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You can confirm the ID of the cart page in Home of the Welcart admin panel. |
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* Payment Data Transfer: On |
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|
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|
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My Account - Profile - Instant Payment Notification (IPN) |
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|
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* Notification URL |
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'The URL of the shop top page' |
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* IPN messages: Enabled |
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I recommend "Enabled". |
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|
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[Procedure 2] The editing of this file |
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* $usces_paypal_business: Log-in Email |
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* $usces_paypal_url: "www.paypal.com" or "www.sandbox.paypal.com" |
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* $auth_token: The Identity Token that was published in a page of the Website Payment Preferences. |
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* After editing, please save it by a file name of 'paypal.php' in the arbitrary place (note). |
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|
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Note - At the time of testing, you may save it in the place where there was "epsilon_sample.php". You can just use it. However, this place is deleted in the case of the upgrading of the plug-in. Actually, you must do a setting place outside a "plugins" folder. On this occasion, please appoint the setting place of the module in "Welcart admin panel / a system setting page". |
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[Procedure 3] Add a new payment method in "Welcart admin panel / a General Setting page" |
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* A payment method name: A payment method name displayed by a shop.(essential) |
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* explanation : The explanation of a payment method displayed by a shop. |
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* Type of payment: Choose "the representation supplier settlement". |
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* Payment module: Fill it out with "paypal.php". |
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* Push the button 'Add a new method for payment'. |
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|
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*/ |
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global $usces; |
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$usces->log_flg = 0;//0 : Not take log, 1 : take log |
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/*********************************************************************************/ |
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// Log-in Email |
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$usces_paypal_business = "*********@********.***"; |
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//PayPal URL |
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$usces_paypal_url = "www.paypal.com"; |
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/*********************************************************************************/ |
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|
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function paypal_check($usces_paypal_url) { |
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/*********************************************************************************/ |
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//Identity Token |
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$auth_token = "**********************************************************"; |
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/*********************************************************************************/ |
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settlement_log('Start PDT'); |
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|
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// read the post from PayPal system and add 'cmd' |
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$req = 'cmd=_notify-synch'; |
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|
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$tx_token = $_GET['tx']; |
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$req .= '&tx=' . $tx_token . '&at=' . $auth_token; |
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|
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// post back to PayPal system to validate |
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$header .= "POST /cgi-bin/webscr HTTP/1.1\r\n"; |
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$header .= "Content-Type: application/x-www-form-urlencoded\r\n"; |
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$header .= "Host: " . $usces_paypal_url . "\r\n"; |
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$header .= "Content-Length: " . strlen($req) . "\r\n"; |
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$header .= "Connection: close\r\n\r\n"; |
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$fp = fsockopen ('ssl://'.$usces_paypal_url, 443, $errno, $errstr, 30); |
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$results = array(); |
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if (!$fp) { |
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$results[0] = false; |
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settlement_log('connection error PDT'); |
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} else { |
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fputs ($fp, $header . $req); |
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// read the body data |
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$res = ''; |
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$headerdone = false; |
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while (!feof($fp)) { |
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$line = fgets ($fp, 1024); |
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if (strcmp($line, "\r\n") == 0) { |
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// read the header |
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$headerdone = true; |
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}else if ($headerdone){ |
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// header has been read. now read the contents |
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$res .= $line; |
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} |
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} |
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|
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// parse the data |
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$lines = explode("\n", $res); |
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$keyarray = array(); |
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if (strcmp ($lines[0], "SUCCESS") == 0) { |
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$results[0] = true; |
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for ($i=1; $i<count($lines);$i++){ |
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list($key,$val) = explode("=", $lines[$i]); |
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$results[urldecode($key)] = urldecode($val); |
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} |
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$ret = true; |
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settlement_log('PDT[SUCCESS]'); |
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}else if (strcmp ($lines[0], "FAIL") == 0) { |
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$results[0] = false; |
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settlement_log(__('PDT Refusal', 'usces') . "\n\t\t\t" . __("PayPal gives back 'FAIL'. Please confirm setting.", 'usces')); |
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} |
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|
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fclose ($fp); |
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} |
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return $results; |
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} |
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|
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function paypal_ipn_check($usces_paypal_url) { |
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settlement_log(__('IPN Start', 'usces')); |
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// read the post from PayPal system and add 'cmd' |
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$req = 'cmd=_notify-validate'; |
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|
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foreach ($_POST as $key => $value) { |
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$value = urlencode(stripslashes($value)); |
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$req .= '&' . $key . '=' . $value; |
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} |
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// post back to PayPal system to validate |
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$header .= "POST /cgi-bin/webscr HTTP/1.1\r\n"; |
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$header .= "Content-Type: application/x-www-form-urlencoded\r\n"; |
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$header .= "Host: " . $usces_paypal_url . "\r\n"; |
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$header .= "Content-Length: " . strlen($req) . "\r\n"; |
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$header .= "Connection: close\r\n\r\n"; |
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$fp = fsockopen ('ssl://'.$usces_paypal_url, 443, $errno, $errstr, 30); |
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|
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$item_name = $_POST['item_name']; |
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$item_number = $_POST['item_number']; |
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$payment_status = $_POST['payment_status']; |
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$payment_amount = $_POST['mc_gross']; |
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$payment_currency = $_POST['mc_currency']; |
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$txn_id = $_POST['txn_id']; |
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$receiver_email = $_POST['receiver_email']; |
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$payer_email = $_POST['payer_email']; |
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|
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$results = array(); |
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if (!$fp) { |
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$results[0] = false; |
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settlement_log(__('IPN Connection Error', 'usces')); |
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} else { |
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fputs ($fp, $header . $req); |
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// read the body data |
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$res = ''; |
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$headerdone = false; |
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while (!feof($fp)) { |
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$line = fgets ($fp, 1024); |
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if (strcmp($line, "\r\n") == 0) { |
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// read the header |
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$headerdone = true; |
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}else if ($headerdone){ |
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// header has been read. now read the contents |
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$res .= $line; |
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} |
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} |
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|
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// parse the data |
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if (preg_match("/VERIFIED/mi", $res) == 1){ |
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$results[0] = true; |
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$results['payment_status'] = $payment_status; |
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$ret = true; |
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settlement_log('IPN[SUCCESS]'); |
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}else{ |
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$results[0] = false; |
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settlement_log(__('IPN Refusal', 'usces') . "\n\t\t\t" . __("PayPal gives back 'FAIL'. Please confirm setting.", 'usces')); |
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} |
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// $lines = explode("\n", $res); |
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// $keyarray = array(); |
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// if (strcmp ($lines[0], "VERIFIED") == 0) { |
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// $results[0] = true; |
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// $results['payment_status'] = $payment_status; |
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// $ret = true; |
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// settlement_log('IPN[SUCCESS]'); |
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// }else if (strcmp ($lines[0], "FAIL") == 0) { |
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// $results[0] = false; |
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// settlement_log(__('IPN Refusal', 'usces') . "\n\t\t\t" . __("PayPal gives back 'FAIL'. Please confirm setting.", 'usces')); |
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// } |
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|
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fclose ($fp); |
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} |
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return $results; |
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} |
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|
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function settlement_log($log){ |
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global $usces; |
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if(!$usces->log_flg) return; |
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|
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$log = date('[Y-m-d H:i:s]', current_time('timestamp')) . "\t" . $log . "\n"; |
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$file = $usces->options['settlement_path'].'/paypal.log'; |
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$fp = fopen($file, 'a'); |
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fwrite($fp, $log); |
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fclose($fp); |
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} |
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?> |
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