php - Codeigniter paypal_lib IPN not working -


i trying capture when user made payment in paypal(sandbox). ipn answer seems not getting response it. tried put in log , db there no data entering. know ipn listener dunno why isnt working.. clarification , thoughts this?

i using codeigniter paypal_lib

here script:

first declared fields

$this->paypal_lib->add_field('cmd','_cart'); $this->paypal_lib->add_field('upload','1'); $this->paypal_lib->add_field('business', $business_email); $this->paypal_lib->add_field('return', site_url('invoice/payment_success/'.$invoice_id.'/'.$album_id)); $this->paypal_lib->add_field('cancel_return', site_url('invoice/payment_cancel/'.$invoice_id)); $this->paypal_lib->add_field('notify_url', site_url('invoice/payment_validate/'.$invoice_id)); // <-- ipn url $this->paypal_lib->add_field('custom', $invoice_id); // <-- verify return

here ipn , checking if works having log no luck.

public function payment_validate(){         //$this->paypal_lib->dump();         $invoice_id = $this->uri->segment(3);          if ($this->paypal_lib->validate_ipn()){              $payer_email = $this->paypal_lib->ipn_data['payer_email'];                $fp=fopen('temp/logs/paypal_ipn.log','a');                 fwrite($fp, $this->paypal_lib->ipn_data  . "\n");                  fclose($fp);  // close file          }      }

and here validate_ipn in library.

function validate_ipn() {

// instance $ci =& get_instance();  // parse paypal url $url_parsed = parse_url($this->paypal_url);  // generate post string _post vars aswell load // _post vars arry can play them calling // script. $post_string = ''; #if(count($_post)) if($_post) {     #foreach (array_keys($_post) $field)     foreach ($_post $field => $value)     {         #$value = $ci->input->post($field, true);         $this->ipn_data[$field] = $value;         $post_string .= $field.'='.urlencode(stripslashes($value)).'&';     } }  $post_string.='cmd=_notify-validate'; // append ipn command  // open connection paypal $fp = fsockopen($url_parsed['host'],'80',$err_num,$err_str,30); if(!$fp) {     // not open connection.  if loggin on, error message     // in log.     $this->last_error = 'fsockopen error no. '.$err_num.': '.$err_str;     $this->log_ipn_results(false);     return false; } else {     // post data paypal     fputs($fp, "post $url_parsed[path] http/1.1\r\n");     fputs($fp, "host: $url_parsed[host]\r\n");     fputs($fp, "content-type: application/x-www-form-urlencoded\r\n");     fputs($fp, "content-length: ".strlen($post_string)."\r\n");     fputs($fp, "connection: close\r\n\r\n");     fputs($fp, $post_string . "\r\n\r\n");      // loop through response server , append variable     while(!feof($fp))         $this->ipn_response .= fgets($fp, 1024);      fclose($fp); // close connection }   if (eregi('verified',$this->ipn_response)) {     // valid ipn transaction.     if ($this->ipn_log_method == 'db')     {         return $this->log_ipn_results(true);     }       /*// valid ipn transaction.     $this->log_ipn_results(true);*/     return true; } else {     // invalid ipn transaction.  check log details.     $this->last_error = 'ipn validation failed.';     $this->log_ipn_results(false);     return false; }

}

answering own question:

unable receive paypal ipn because there's problem when connecting paypal , fixing issue have change port from: 

$fp = fsockopen($url_parsed['host'],'80',$err_num,$err_str,30);

to 

$fp = fsockopen($url_parsed['host'],'443',$err_num,$err_str,30);

now receiving connection established , receiving paypal ipn notification.

later part experience testing ipn in sandbox failing , found out ipn in sandbox not working. can refer here


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