php - Paypal IPN，更改帐户中的 ipn url 后未​​获得所有交易响应

Question

我正在我的项目中实现 ipnlistner。我在我的 Paypal 帐户中设置了 ipn url。但我没有收到对该 url 的所有事务 ipn 响应。但是当我在我的帐户中检查 ipn 历史记录时，它显示所有 ipn 都已发送。例如昨天它显示所有 112 ipn 已发送。但我的数据库中只有 7 个。这是我的 ipn 监听器代码。我只在第一行插入我在数据库中获取的所有数据。

<?php

namespace App\Http\Controllers;

use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Response;

class PaypalIPN extends Controller {

private $use_sandbox = null;

const VALID = 'VERIFIED';

const INVALID = 'INVALID';

public function useSandbox() {
    $this->use_sandbox = env( 'USE_SANDBOX' );
}

public function getPaypalUri() {
    if ( $this->use_sandbox ) {
        return env( 'SANDBOX_VERIFY_URI' );
    } else {
        return env( 'VERIFY_URI' );
    }
}

public function verifyIPN() {
    try {
        DB::table( 'ipn_response' )->insert( [ 'data' => json_encode( $_POST, true ) ] );
        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";
        }

        // Use the sandbox endpoint during testing.
        $this->useSandbox();

        // 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 );
        curl_setopt( $ch, CURLOPT_FORBID_REUSE, 1 );
        curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, 30 );
        curl_setopt( $ch, CURLOPT_HTTPHEADER, array( '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 ) {
            DB::table( 'ipn_response' )->insert( [ 'data' => json_encode( $res, true ) ] );
        } else {
            DB::table( 'ipn_response' )->insert( [ 'data' => json_encode( $res, true ) ] );
        }

        // Reply with an empty 200 response to indicate to paypal the IPN was received correctly.
        header( "HTTP/1.1 200 OK" );
    }catch (\Exception $e){
        DB::table( 'ipn_response' )->insert( [ 'data' => json_encode( ["Exception"=>$e->getMessage()]) ] );
    }
}
}

我非常喜欢这个网址上的 IPN

https://ipnpb.paypal.com/cgi-bin/webscr

我的 ipn 网址是

https://www.myproject.com/api/verify-ipn

Note: previously i created some paypal buttons on this account, i am not getting the ipn responses for that button payments

请帮助或指导为此做些什么..

Answer 1

请在您的 Controller 中创建以下功能，并在您的 Paypal 帐户中添加 IPN URL 并检查 IPN 的每次点击。

<?php
 function paymentIpnlistener(){
    $req = 'cmd=_notify-validate';
    foreach ($_POST as $key => $value) {
        $value = urlencode(stripslashes($value));
        $req .= "&$key=$value";
    }
    // post back to PayPal system to validate
    $header = "POST /cgi-bin/webscr HTTP/1.0\r\n";
    // If testing on Sandbox use: 
    $header .= "Host: www.sandbox.paypal.com:443\r\n";
    //$header .= "Host: ipnpb.paypal.com:443\r\n";
    $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
    $header .= "Content-Length: " . strlen($req) . "\r\n\r\n";
    if (strpos('ssl://www.sandbox.paypal.com', 'sandbox') !== FALSE && function_exists('openssl_open')) {
    $fp = fsockopen('ssl://www.sandbox.paypal.com', 443, $errno, $errstr, 30);
  }
    else{
    // The old "normal" way of validating an IPN.
     $fp = fsockopen('ssl://www.sandbox.paypal.com', 80, $errno, $errstr, 30);
    }
    // If testing on Sandbox use:
    //$fp = fsockopen ('ssl://www.sandbox.paypal.com', 443, $errno, $errstr, 30);
    //$fp = fsockopen ('ssl://ipnpb.paypal.com', 443, $errno, $errstr, 30);
    // 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        = $_POST['payer_email'];
    if (!$fp) {
     // HTTP ERROR
    } else {
        fputs ($fp, $header . $req);
        while (!feof($fp)) {
            $res = fgets ($fp, 1024);
            if (strcmp ($res, "VERIFIED") == 0) {
                // check the payment_status is Completed
                // check that txn_id has not been previously processed
                // check that receiver_email is your Primary PayPal email
                // check that payment_amount/payment_currency are correct
                // process payment

                // Add your live email address    
                $mail_From = "From: me@mybiz.com";
                // Add your live email address 
                $mail_To = "raghbendra.nayak@systematixindia.com";
                $mail_Subject = "VERIFIED IPN";
                $mail_Body = $req;
                foreach ($_POST as $key => $value){
                    $emailtext .= $key . " = " .$value ."\n\n";
                }

                mail($mail_To, $mail_Subject, $emailtext . "\n\n" . $mail_Body, $mail_From);

            }
            else if (strcmp ($res, "INVALID") == 0) {
                // log for manual investigation

                $mail_From = "From: me@mybiz.com";
                $mail_To = "raghbendra.nayak@systematixindia.com";
                $mail_Subject = "INVALID IPN";
                $mail_Body = $req;

                foreach ($_POST as $key => $value){
                    $emailtext .= $key . " = " .$value ."\n\n";
                }

                mail($mail_To, $mail_Subject, $emailtext . "\n\n" . $mail_Body, $mail_From);

            }
        }   // while end
     fclose ($fp);
    }

    }
?>

每当IPN 监听器触发时，上述功能都会向您发送电子邮件。只要它有效，那么您就可以根据您的要求进行管理。尝试让我知道。