Location: PHPKode > scripts > Fast Secure Contact Form > si-contact-form/si-contact-form-process.php
<?php
/*
Fast Secure Contact Form
Mike Challis
http://www.642weather.com/weather/scripts.php
*/

//do not allow direct access
if ( strpos(strtolower($_SERVER['SCRIPT_NAME']),strtolower(basename(__FILE__))) ) {
 header('HTTP/1.0 403 Forbidden');
 exit('Forbidden');
}

// the form is being processed to send the mail now

    // check all input variables
    $cid = $this->ctf_clean_input($_POST['si_contact_CID']);
    if(empty($cid)) {
       $this->si_contact_error = 1;
       $si_contact_error_contact = ($si_contact_opt['error_contact_select'] != '') ? $si_contact_opt['error_contact_select'] : __('Selecting a contact is required.', 'si-contact-form');
    }
    else if (!isset($contacts[$cid]['CONTACT'])) {
        $this->si_contact_error = 1;
        $si_contact_error_contact = __('Requested Contact not found.', 'si-contact-form');
    }
    if (empty($contacts)) {
       $this->si_contact_error = 1;
    }
    $mail_to    = ( isset($contacts[$cid]['EMAIL']) )   ? $this->ctf_clean_input($contacts[$cid]['EMAIL'])  : '';
    $to_contact = ( isset($contacts[$cid]['CONTACT']) ) ? $this->ctf_clean_input($contacts[$cid]['CONTACT']): '';

    // allow shortcode email_to
    // Webmaster,hide@address.com (must have name,email)
    // multiple emails allowed
    // Webmaster,hide@address.com;hide@address.com
   if ( $shortcode_email_to != '') {
     if(preg_match("/,/", $shortcode_email_to) ) {
       list($key, $value) = preg_split('#(?<!\\\)\,#',$shortcode_email_to); //string will be split by "," but "\," will be ignored
       $key   = trim(str_replace('\,',',',$key)); // "\," changes to ","
       $value = trim(str_replace(';',',',$value)); // ";" changes to ","
       if ($key != '' && $value != '') {
             $mail_to    = $this->ctf_clean_input($value);
             $to_contact = $this->ctf_clean_input($key);
       }
     }
   }

    if ($si_contact_opt['name_type'] != 'not_available') {
        switch ($si_contact_opt['name_format']) {
          case 'name':
             if (isset($_POST['si_contact_name']))
               $name = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_name']));
          break;
          case 'first_last':
             if (isset($_POST['si_contact_f_name']))
               $f_name = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_f_name']));
             if (isset($_POST['si_contact_l_name']))
               $l_name = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_l_name']));
          break;
          case 'first_middle_i_last':
             if (isset($_POST['si_contact_f_name']))
               $f_name = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_f_name']));
             if (isset($_POST['si_contact_mi_name']))
               $mi_name = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_mi_name']));
             if (isset($_POST['si_contact_l_name']))
               $l_name = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_l_name']));
          break;
          case 'first_middle_last':
             if (isset($_POST['si_contact_f_name']))
               $f_name = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_f_name']));
             if (isset($_POST['si_contact_m_name']))
               $m_name = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_m_name']));
             if (isset($_POST['si_contact_l_name']))
               $l_name = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_l_name']));
         break;
      }
    }
    if ($si_contact_opt['email_type'] != 'not_available') {
       if (isset($_POST['si_contact_email']))
         $email = strtolower($this->ctf_clean_input($_POST['si_contact_email']));
       if ($ctf_enable_double_email == 'true') {
         if (isset($_POST['si_contact_email2']))
          $email2 = strtolower($this->ctf_clean_input($_POST['si_contact_email2']));
       }
    }

    if ($si_contact_opt['subject_type'] != 'not_available') {
        if(isset($_POST['si_contact_subject'])) {
            // posted subject text input
            $subject = $this->ctf_name_case($this->ctf_clean_input($_POST['si_contact_subject']));
        }else{
            // posted subject select input
            $sid = $this->ctf_clean_input($_POST['si_contact_subject_ID']);
            if(empty($sid) && $si_contact_opt['subject_type'] == 'required') {
               $this->si_contact_error = 1;
               $si_contact_error_subject = ($si_contact_opt['error_subject'] != '') ? $si_contact_opt['error_subject'] : __('Selecting a subject is required.', 'si-contact-form');
            }
            else if (empty($subjects) || !isset($subjects[$sid])) {
               $this->si_contact_error = 1;
               $si_contact_error_subject = __('Requested subject not found.', 'si-contact-form');
            } else {
               $subject = $this->ctf_clean_input($subjects[$sid]);
            }
       }
    }

    if ($si_contact_opt['message_type'] != 'not_available') {
       if (isset($_POST['si_contact_message'])) {
         if ($si_contact_opt['preserve_space_enable'] == 'true')
           $message = $this->ctf_clean_input($_POST['si_contact_message'],1);
         else
           $message = $this->ctf_clean_input($_POST['si_contact_message']);
       }
    }
    if ( $this->isCaptchaEnabled() )
         $captcha_code = $this->ctf_clean_input($_POST['si_contact_captcha_code']);

    // check posted input for email injection attempts
    // fights common spammer tactics
    // look for newline injections
    $this->ctf_forbidifnewlines($name);
    $this->ctf_forbidifnewlines($email);
    if ($ctf_enable_double_email == 'true')
         $this->ctf_forbidifnewlines($email2);

    $this->ctf_forbidifnewlines($subject);

    // look for lots of other injections
    $forbidden = 0;
    $forbidden = $this->ctf_spamcheckpost();
    if ($forbidden)
       wp_die("$forbidden");

   // check for banned ip
//   if( $ctf_enable_ip_bans && in_array($_SERVER['REMOTE_ADDR'], $ctf_banned_ips) )
//      wp_die(__('Your IP is Banned', 'si-contact-form'));

   // CAPS Decapitator
   if ($si_contact_opt['name_case_enable'] == 'true' && !preg_match("/[a-z]/", $message))
      $message = $this->ctf_name_case($message);

    switch ($si_contact_opt['name_format']) {
       case 'name':
        if($name == '' && $si_contact_opt['name_type'] == 'required') {
          $this->si_contact_error = 1;
          $si_contact_error_name =  ($si_contact_opt['error_name'] != '') ? $si_contact_opt['error_name'] : __('Your name is required.', 'si-contact-form');
        }
      break;
      default:
        if(empty($f_name) && $si_contact_opt['name_type'] == 'required') {
          $this->si_contact_error = 1;
          $si_contact_error_f_name =  ($si_contact_opt['error_name'] != '') ? $si_contact_opt['error_name'] : __('Your name is required.', 'si-contact-form');
        }
        if(empty($l_name) && $si_contact_opt['name_type'] == 'required') {
          $this->si_contact_error = 1;
          $si_contact_error_l_name =  ($si_contact_opt['error_name'] != '') ? $si_contact_opt['error_name'] : __('Your name is required.', 'si-contact-form');
        }
    }

   if(!empty($f_name)) $name .= $f_name;
   if(!empty($mi_name))$name .= ' '.$mi_name;
   if(!empty($m_name)) $name .= ' '.$m_name;
   if(!empty($l_name)) $name .= ' '.$l_name;

   if($si_contact_opt['email_type'] == 'required') {
     if (!$this->ctf_validate_email($email)) {
         $this->si_contact_error = 1;
         $si_contact_error_email = ($si_contact_opt['error_email'] != '') ? $si_contact_opt['error_email'] : __('A proper e-mail address is required.', 'si-contact-form');
     }
     if ($ctf_enable_double_email == 'true' && !$this->ctf_validate_email($email2)) {
         $this->si_contact_error = 1;
         $si_contact_error_email2 = ($si_contact_opt['error_email'] != '') ? $si_contact_opt['error_email'] : __('A proper e-mail address is required.', 'si-contact-form');
     }
     if ($ctf_enable_double_email == 'true' && ($email != $email2)) {
         $this->si_contact_error = 1;
         $si_contact_error_double_email = ($si_contact_opt['error_email2'] != '') ? $si_contact_opt['error_email2'] : __('The two e-mail addresses did not match, please enter again.', 'si-contact-form');
     }
   }

// check attachment directory
$attach_dir_error = 0;
if ($have_attach){
	$attach_dir = WP_PLUGIN_DIR . '/si-contact-form/attachments/';
	if ( !is_dir($attach_dir) ) {
        $this->si_contact_error = 1;
		$attach_dir_error = __('The temporary folder for the attachment field does not exist.', 'si-contact-form');
    } else if(!is_writable($attach_dir)) {
          $this->si_contact_error = 1;
		 $attach_dir_error = __('The temporary folder for the attachment field is not writable.', 'si-contact-form');
    } else {
       // delete files over 3 minutes old in the attachment directory
       $this->si_contact_clean_temp_dir($attach_dir, 3);
	}
}

   // optional extra fields form post validation
      for ($i = 1; $i <= $si_contact_opt['max_fields']; $i++) {
        if ($si_contact_opt['ex_field'.$i.'_label'] != '' && $si_contact_opt['ex_field'.$i.'_type'] != 'fieldset-close') {
          if ($si_contact_opt['ex_field'.$i.'_type'] == 'fieldset') {

          }else if ($si_contact_opt['ex_field'.$i.'_type'] == 'date') {

                      $cal_date_array = array(
'mm/dd/yyyy' => __('mm/dd/yyyy', 'si-contact-form'),
'dd/mm/yyyy' => __('dd/mm/yyyy', 'si-contact-form'),
'mm-dd-yyyy' => __('mm-dd-yyyy', 'si-contact-form'),
'dd-mm-yyyy' => __('dd-mm-yyyy', 'si-contact-form'),
'mm.dd.yyyy' => __('mm.dd.yyyy', 'si-contact-form'),
'dd.mm.yyyy' => __('dd.mm.yyyy', 'si-contact-form'),
'yyyy/mm/dd' => __('yyyy/mm/dd', 'si-contact-form'),
'yyyy-mm-dd' => __('yyyy-mm-dd', 'si-contact-form'),
'yyyy.mm.dd' => __('yyyy.mm.dd', 'si-contact-form'),
);
               // required validate
               ${'ex_field'.$i} = ( !isset($_POST["si_contact_ex_field$i"]) ) ? '' : $this->ctf_clean_input($_POST["si_contact_ex_field$i"]);
               if( (${'ex_field'.$i} == '' || ${'ex_field'.$i} == $cal_date_array[$si_contact_opt['date_format']]) && $si_contact_opt['ex_field'.$i.'_req'] == 'true') {
                  $this->si_contact_error = 1;
                  ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['error_field'] != '') ? $si_contact_opt['error_field'] : __('This field is required.', 'si-contact-form');
               }
               // max_len validate
               if( ${'ex_field'.$i} != '' && $si_contact_opt['ex_field'.$i.'_max_len'] != '' && strlen(${'ex_field'.$i}) > $si_contact_opt['ex_field'.$i.'_max_len']) {
                  $this->si_contact_error = 1;
                  ${'si_contact_error_ex_field'.$i} = sprintf( __('Maximum of %d characters exceeded.', 'si-contact-form'), $si_contact_opt['ex_field'.$i.'_max_len'] );
               }
               // regex validate
               if( ${'ex_field'.$i} != '' && $si_contact_opt['ex_field'.$i.'_regex'] != '' && !preg_match($si_contact_opt['ex_field'.$i.'_regex'],${'ex_field'.$i}) ) {
                  $this->si_contact_error = 1;
                  ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['ex_field'.$i.'_regex_error'] != '') ? $si_contact_opt['ex_field'.$i.'_regex_error'] : __('Invalid input.', 'si-contact-form');
               }

          }else if ($si_contact_opt['ex_field'.$i.'_type'] == 'hidden') {
               ${'ex_field'.$i} = ( !isset($_POST["si_contact_ex_field$i"]) ) ? '' : $this->ctf_clean_input($_POST["si_contact_ex_field$i"]);
          }else if ($si_contact_opt['ex_field'.$i.'_type'] == 'time') {
               ${'ex_field'.$i.'h'}  = $this->ctf_clean_input($_POST["si_contact_ex_field".$i."h"]);
               ${'ex_field'.$i.'m'}  = $this->ctf_clean_input($_POST["si_contact_ex_field".$i."m"]);
               if ($si_contact_opt['time_format'] == '12')
                  ${'ex_field'.$i.'ap'} = $this->ctf_clean_input($_POST["si_contact_ex_field".$i."ap"]);
          }else if ($si_contact_opt['ex_field'.$i.'_type'] == 'attachment') {
              // need to test if a file was selected for attach.
              $ex_field_file['name'] = '';
              if(isset($_FILES["si_contact_ex_field$i"]))
                  $ex_field_file = $_FILES["si_contact_ex_field$i"];
              if ($ex_field_file['name'] == '' && $si_contact_opt['ex_field'.$i.'_req'] == 'true') {
                   $this->si_contact_error = 1;
                   ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['error_field'] != '') ? $si_contact_opt['error_field'] : __('This field is required.', 'si-contact-form');
              }
              if($ex_field_file['name'] != ''){  // may not be required
                 // validate the attachment now
                 $ex_field_file_check = $this->si_contact_validate_attach( $ex_field_file, "ex_field$i" );
                 if (!$ex_field_file_check['valid']) {
                     $this->si_contact_error = 1;
                     ${'si_contact_error_ex_field'.$i} = $ex_field_file_check['error'];
                 } else {
                    ${'ex_field'.$i} = $ex_field_file_check['file_name'];  // needed for email message
                 }
              }
              unset($ex_field_file);
          }else if ($si_contact_opt['ex_field'.$i.'_type'] == 'checkbox' || $si_contact_opt['ex_field'.$i.'_type'] == 'checkbox-multiple') {
             // see if checkbox children
             $exf_opts_array = array();
             $exf_opts_label = '';
             $exf_array_test = trim($si_contact_opt['ex_field'.$i.'_label'] );
             if(preg_match('#(?<!\\\)\,#', $exf_array_test) ) {
                  list($exf_opts_label, $value) = preg_split('#(?<!\\\)\,#',$exf_array_test); //string will be split by "," but "\," will be ignored
                  $exf_opts_label   = trim(str_replace('\,',',',$exf_opts_label)); // "\," changes to ","
                  $value = trim(str_replace('\,',',',$value)); // "\," changes to ","
                  if ($exf_opts_label != '' && $value != '') {
                     if(!preg_match("/;/", $value)) {
                        $this->si_contact_error = 1;
                        ${'si_contact_error_ex_field'.$i} = __('Error: A checkbox field is not configured properly in settings.', 'si-contact-form');
                     } else {
                        // multiple options
                         $exf_opts_array = explode(";",$value);
                     }
                     // required check (only 1 has to be checked to meet required)
                    $ex_cnt = 1;
                    $ex_reqd = 0;
                    foreach ($exf_opts_array as $k) {
                      if( ! empty($_POST["si_contact_ex_field$i".'_'.$ex_cnt]) ){
                        ${'ex_field'.$i.'_'.$ex_cnt} = $this->ctf_clean_input($_POST["si_contact_ex_field$i".'_'.$ex_cnt]);
                        $ex_reqd++;
                      }
                      $ex_cnt++;
                    }
                    if(!$ex_reqd && $si_contact_opt['ex_field'.$i.'_req'] == 'true') {
                        $this->si_contact_error = 1;
                        ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['error_field'] != '') ? $si_contact_opt['error_field'] : __('At least one item in this field is required.', 'si-contact-form');
                     }
                }
             }else{
                ${'ex_field'.$i} = ( !isset($_POST["si_contact_ex_field$i"]) ) ? '' : $this->ctf_clean_input($_POST["si_contact_ex_field$i"]);
                if(${'ex_field'.$i} == '' && $si_contact_opt['ex_field'.$i.'_req'] == 'true') {
                    $this->si_contact_error = 1;
                    ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['error_field'] != '') ? $si_contact_opt['error_field'] : __('This field is required.', 'si-contact-form');
                }
             }
           }else if ($si_contact_opt['ex_field'.$i.'_type'] == 'select-multiple') {
             $exf_opts_array = array();
             $exf_opts_label = '';
             $exf_array_test = trim($si_contact_opt['ex_field'.$i.'_label'] );
             if(preg_match('#(?<!\\\)\,#', $exf_array_test) ) {
                  list($exf_opts_label, $value) = preg_split('#(?<!\\\)\,#',$exf_array_test); //string will be split by "," but "\," will be ignored
                  $exf_opts_label   = trim(str_replace('\,',',',$exf_opts_label)); // "\," changes to ","
                  $value = trim(str_replace('\,',',',$value)); // "\," changes to ","
                  if ($exf_opts_label != '' && $value != '') {
                     if(!preg_match("/;/", $value)) {
                        $this->si_contact_error = 1;
                        ${'si_contact_error_ex_field'.$i} = __('Error: A select-multiple field is not configured properly in settings.', 'si-contact-form');
                     } else {
                        // multiple options
                         $exf_opts_array = explode(";",$value);
                     }
                     // required check (only 1 has to be checked to meet required)
                     $ex_reqd = 0;
                     ${'ex_field'.$i} = ( !isset($_POST["si_contact_ex_field$i"]) ) ? '' : $this->ctf_clean_input($_POST["si_contact_ex_field$i"]);
                     if (is_array(${'ex_field'.$i}) && !empty(${'ex_field'.$i}) ) {
                       // loop
                       foreach ($exf_opts_array as $k) {  // checkbox multi
                          if (in_array($k, ${'ex_field'.$i} ) ) {
                             $ex_reqd++;
                          }
                       }
                     }
                     if((!$ex_reqd || empty(${'ex_field'.$i})) && $si_contact_opt['ex_field'.$i.'_req'] == 'true') {
                        $this->si_contact_error = 1;
                        ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['error_field'] != '') ? $si_contact_opt['error_field'] : __('At least one item in this field is required.', 'si-contact-form');
                     }
                }
             } else {
                  $this->si_contact_error = 1;
                  ${'si_contact_error_ex_field'.$i} = __('Error: A checkbox-multiple field is not configured properly in settings.', 'si-contact-form');
             }
           }else if ($si_contact_opt['ex_field'.$i.'_type'] == 'email') {
                  ${'ex_field'.$i} = ( !isset($_POST["si_contact_ex_field$i"]) ) ? '' : strtolower($this->ctf_clean_input($_POST["si_contact_ex_field$i"]));
                  // required validate
                  if(${'ex_field'.$i} == '' && $si_contact_opt['ex_field'.$i.'_req'] == 'true') {
                    $this->si_contact_error = 1;
                    ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['error_field'] != '') ? $si_contact_opt['error_field'] : __('This field is required.', 'si-contact-form');
                  }
                  // max_len validate
                  if( ${'ex_field'.$i} != '' && $si_contact_opt['ex_field'.$i.'_max_len'] != '' && strlen(${'ex_field'.$i}) > $si_contact_opt['ex_field'.$i.'_max_len']) {
                     $this->si_contact_error = 1;
                     ${'si_contact_error_ex_field'.$i} = sprintf( __('Maximum of %d characters exceeded.', 'si-contact-form'), $si_contact_opt['ex_field'.$i.'_max_len'] );
                  }
                  // regex validate
                  if (${'ex_field'.$i} != '' && !$this->ctf_validate_email(${'ex_field'.$i})) {
                    $this->si_contact_error = 1;
                    ${'si_contact_error_ex_field'.$i} = __('Invalid e-mail address.', 'si-contact-form');
                  }
           }else if ($si_contact_opt['ex_field'.$i.'_type'] == 'url') {
                  ${'ex_field'.$i} = ( !isset($_POST["si_contact_ex_field$i"]) ) ? '' : $this->ctf_clean_input($_POST["si_contact_ex_field$i"]);
                  // required validate
                  if(${'ex_field'.$i} == '' && $si_contact_opt['ex_field'.$i.'_req'] == 'true') {
                    $this->si_contact_error = 1;
                    ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['error_field'] != '') ? $si_contact_opt['error_field'] : __('This field is required.', 'si-contact-form');
                  }
                  // max_len validate
                  if( ${'ex_field'.$i} != '' && $si_contact_opt['ex_field'.$i.'_max_len'] != '' && strlen(${'ex_field'.$i}) > $si_contact_opt['ex_field'.$i.'_max_len']) {
                     $this->si_contact_error = 1;
                     ${'si_contact_error_ex_field'.$i} = sprintf( __('Maximum of %d characters exceeded.', 'si-contact-form'), $si_contact_opt['ex_field'.$i.'_max_len'] );
                  }
                  // regex validate
                  if (${'ex_field'.$i} != '' && !$this->ctf_validate_url(${'ex_field'.$i})) {
                    $this->si_contact_error = 1;
                    ${'si_contact_error_ex_field'.$i} = __('Invalid URL.', 'si-contact-form');
                  }
           }else{
                // text, textarea, radio, select, password
                if ($si_contact_opt['ex_field'.$i.'_type'] == 'textarea' && $si_contact_opt['textarea_html_allow'] == 'true') {
                      ${'ex_field'.$i} = ( !isset($_POST["si_contact_ex_field$i"]) ) ? '' : wp_kses_data(stripslashes($_POST["si_contact_ex_field$i"])); // allow only some safe html
                }else{
                      ${'ex_field'.$i} = ( !isset($_POST["si_contact_ex_field$i"]) ) ? '' : $this->ctf_clean_input($_POST["si_contact_ex_field$i"]);
                }
                // required validate
                if(${'ex_field'.$i} == '' && $si_contact_opt['ex_field'.$i.'_req'] == 'true') {
                  $this->si_contact_error = 1;
                  ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['error_field'] != '') ? $si_contact_opt['error_field'] : __('This field is required.', 'si-contact-form');
                }
                // max_len validate
                if( ${'ex_field'.$i} != '' && $si_contact_opt['ex_field'.$i.'_max_len'] != '' && strlen(${'ex_field'.$i}) > $si_contact_opt['ex_field'.$i.'_max_len']) {
                  $this->si_contact_error = 1;
                  ${'si_contact_error_ex_field'.$i} = sprintf( __('Maximum of %d characters exceeded.', 'si-contact-form'), $si_contact_opt['ex_field'.$i.'_max_len'] );
                }
                // regex validate
                if( ${'ex_field'.$i} != '' && $si_contact_opt['ex_field'.$i.'_regex'] != '' && !preg_match($si_contact_opt['ex_field'.$i.'_regex'],${'ex_field'.$i}) ) {
                  $this->si_contact_error = 1;
                  ${'si_contact_error_ex_field'.$i} = ($si_contact_opt['ex_field'.$i.'_regex_error'] != '') ? $si_contact_opt['ex_field'.$i.'_regex_error'] : __('Invalid regex.', 'si-contact-form');
                }
           }
        }  // end if label != ''
      } // end foreach

   if ($si_contact_opt['subject_type'] == 'required' && $subject == '') {
       $this->si_contact_error = 1;
       if (count($subjects) == 0) {
         $si_contact_error_subject = ($si_contact_opt['error_subject'] != '') ? $si_contact_opt['error_subject'] : __('Subject text is required.', 'si-contact-form');
       }
   }
   if($si_contact_opt['message_type'] == 'required' &&  $message == '') {
       $this->si_contact_error = 1;
       $si_contact_error_message = ($si_contact_opt['error_message'] != '') ? $si_contact_opt['error_message'] : __('Message text is required.', 'si-contact-form');
   }

  // begin captcha check if enabled
  // captcha is optional but recommended to prevent spam bots from spamming your contact form
  if ( $this->isCaptchaEnabled() ) {
    if($si_contact_gb['captcha_disable_session'] == 'true') {
      //captcha without sessions
      if (empty($captcha_code) || $captcha_code == '') {
         $this->si_contact_error = 1;
         $si_contact_error_captcha = ($si_contact_opt['error_captcha_blank'] != '') ? $si_contact_opt['error_captcha_blank'] : __('Please complete the CAPTCHA.', 'si-contact-form');
      }else if (!isset($_POST['si_code_ctf_'.$form_id_num]) || empty($_POST['si_code_ctf_'.$form_id_num])) {
         $this->si_contact_error = 1;
         $si_contact_error_captcha = __('Could not find CAPTCHA token.', 'si-contact-form');
      }else{
         $prefix = 'xxxxxx';
         if ( isset($_POST['si_code_ctf_'.$form_id_num]) && is_string($_POST['si_code_ctf_'.$form_id_num]) && preg_match('/^[a-zA-Z0-9]{15,17}$/',$_POST['si_code_ctf_'.$form_id_num]) ){
           $prefix = $_POST['si_code_ctf_'.$form_id_num];
         }
         if ( is_readable( $ctf_captcha_dir . $prefix . '.php' ) ) {
			include( $ctf_captcha_dir . $prefix . '.php' );
			if ( 0 == strcasecmp( $captcha_code, $captcha_word ) ) {
              // captcha was matched
              @unlink ($ctf_captcha_dir . $prefix . '.php');
              // some empty field and time based honyepot traps for spam bots
              $hp_check = $this->si_contact_check_honeypot("$form_id_num");
              if($hp_check != 'ok') {
                  $this->si_contact_error = 1;
                  $si_contact_error_captcha =  ($si_contact_opt['error_spambot'] != '') ? $si_contact_opt['error_spambot'] : __('Possible spam bot.', 'si-contact-form');
              }
			} else {
              $this->si_contact_error = 1;
              $si_contact_error_captcha = ($si_contact_opt['error_captcha_wrong'] != '') ? $si_contact_opt['error_captcha_wrong'] : __('That CAPTCHA was incorrect.', 'si-contact-form');
            }
	     } else {
           $this->si_contact_error = 1;
           $si_contact_error_captcha = __('Could not read CAPTCHA token file. Try again.', 'si-contact-form');
	    }
	  }
    } else {
      //captcha with PHP sessions

      // uncomment for temporary advanced debugging only
      /*echo "<pre>";
      echo "COOKIE ";
      var_dump($_COOKIE);
      echo "\n\n";
      echo "SESSION ";
      var_dump($_SESSION);
      echo "</pre>\n";*/

      if (!isset($_SESSION['securimage_code_ctf_'.$form_id_num]) || empty($_SESSION['securimage_code_ctf_'.$form_id_num])) {
          $this->si_contact_error = 1;
          $si_contact_error_captcha = __('Could not read CAPTCHA cookie. Try again.', 'si-contact-form');
      }else{
         if (empty($captcha_code) || $captcha_code == '') {
           $this->si_contact_error = 1;
           $si_contact_error_captcha = ($si_contact_opt['error_captcha_blank'] != '') ? $si_contact_opt['error_captcha_blank'] : __('Please complete the CAPTCHA.', 'si-contact-form');
         } else {
           require_once "$captcha_path_cf/securimage.php";
           $img = new Securimage();
           $img->form_num = $form_id_num; // makes compatible with multi-forms on same page
           $valid = $img->check("$captcha_code");
           // Check, that the right CAPTCHA password has been entered, display an error message otherwise.
           if($valid == true) {
              // some empty field and time based honyepot traps for spam bots
              $hp_check = $this->si_contact_check_honeypot("$form_id_num");
              if($hp_check != 'ok') {
                  $this->si_contact_error = 1;
                  $si_contact_error_captcha =  ($si_contact_opt['error_spambot'] != '') ? $si_contact_opt['error_spambot'] : __('Possible spam bot.', 'si-contact-form');
              }
             // ok can continue
           } else {
              $this->si_contact_error = 1;
              $si_contact_error_captcha = ($si_contact_opt['error_captcha_wrong'] != '') ? $si_contact_opt['error_captcha_wrong'] : __('That CAPTCHA was incorrect.', 'si-contact-form');
           }
        }
     }
   } // end if captcha use session
 } // end if enable captcha

 if (!$this->si_contact_error && !$this->isCaptchaEnabled() ) { // skip if there are already form erros, if captcha is enabled this check is done in the captcha test
    // some empty field and time based honyepot traps for spam bots
    $hp_check = $this->si_contact_check_honeypot("$form_id_num");
    if($hp_check != 'ok') {
        $this->si_contact_error = 1;
        $si_contact_error_captcha =  ($si_contact_opt['error_spambot'] != '') ? $si_contact_opt['error_spambot'] : __('Possible spam bot.', 'si-contact-form');
    }
 }

  if (!$this->si_contact_error) {
     // ok to send the email, so prepare the email message
     $posted_data = array();
     // new lines should be (\n for UNIX, \r\n for Windows and \r for Mac)
     //$php_eol = ( strtoupper(substr(PHP_OS,0,3) == 'WIN') ) ? "\r\n" : "\n";
	 $php_eol = (!defined('PHP_EOL')) ? (($eol = strtolower(substr(PHP_OS, 0, 3))) == 'win') ? "\r\n" : (($eol == 'mac') ? "\r" : "\n") : PHP_EOL;
	 $php_eol = (!$php_eol) ? "\n" : $php_eol;

     if($subject != '') {
          $subj = $si_contact_opt['email_subject'] ." $subject";
     }else{
          $subj = $si_contact_opt['email_subject'];
     }
     $msg = $this->make_bold(__('To', 'si-contact-form')).": $to_contact$php_eol$php_eol";
     if ($name != '' || $email != '')  {
        $msg .= $this->make_bold(__('From', 'si-contact-form')).":$php_eol";
        switch ($si_contact_opt['name_format']) {
          case 'name':
             if($name != '') {
              $msg .= "$name$php_eol";
              $posted_data['from_name'] = $name;
             }
          break;
          case 'first_last':
              $msg .= ($si_contact_opt['title_fname'] != '') ? $si_contact_opt['title_fname'] : __('First Name:', 'si-contact-form');
              $msg .= " $f_name$php_eol";
              $msg .= ($si_contact_opt['title_lname'] != '') ? $si_contact_opt['title_lname'] : __('Last Name:', 'si-contact-form');
              $msg .= " $l_name$php_eol";
              $posted_data['first_name'] = $f_name;
              $posted_data['last_name'] = $l_name;
          break;
          case 'first_middle_i_last':
              $msg .= ($si_contact_opt['title_fname'] != '') ? $si_contact_opt['title_fname'] : __('First Name:', 'si-contact-form');
              $msg .= " $f_name$php_eol";
              $posted_data['first_name'] = $f_name;
              if($mi_name != '') {
                 $msg .= ($si_contact_opt['title_miname'] != '') ? $si_contact_opt['title_miname'] : __('Middle Initial:', 'si-contact-form');
                 $msg .= " $mi_name$php_eol";
                 $posted_data['middle_initial'] = $mi_name;
              }
              $msg .= ($si_contact_opt['title_lname'] != '') ? $si_contact_opt['title_lname'] : __('Last Name:', 'si-contact-form');
              $msg .= " $l_name$php_eol";
              $posted_data['last_name'] = $l_name;
          break;
          case 'first_middle_last':
              $msg .= ($si_contact_opt['title_fname'] != '') ? $si_contact_opt['title_fname'] : __('First Name:', 'si-contact-form');
              $msg .= " $f_name$php_eol";
              $posted_data['first_name'] = $f_name;
              if($m_name != '') {
                 $msg .= ($si_contact_opt['title_mname'] != '') ? $si_contact_opt['title_mname'] : __('Middle Name:', 'si-contact-form');
                 $msg .= " $m_name$php_eol";
                 $posted_data['middle_name'] = $m_name;
              }
              $msg .= ($si_contact_opt['title_lname'] != '') ? $si_contact_opt['title_lname'] : __('Last Name:', 'si-contact-form');
              $msg .= " $l_name$php_eol";
              $posted_data['last_name'] = $l_name;
         break;
      }
      $msg .= "$email$php_eol$php_eol";
      $posted_data['from_email'] = $email;
   }

   if ($si_contact_opt['ex_fields_after_msg'] == 'true' && $message != '') {
        $msg .= $this->make_bold(__('Message:', 'si-contact-form'))."$php_eol$message$php_eol$php_eol";
        $posted_data['message'] = $message;
   }

   // optional extra fields
   for ($i = 1; $i <= $si_contact_opt['max_fields']; $i++) {
      if ( $si_contact_opt['ex_field'.$i.'_label'] != '' && $si_contact_opt['ex_field'.$i.'_type'] != 'fieldset-close') {
          if(preg_match('/^{inline}/',$si_contact_opt['ex_field'.$i.'_label'])) {
            // remove the {inline} modifier tag from the label
              $si_contact_opt['ex_field'.$i.'_label'] = str_replace('{inline}','',$si_contact_opt['ex_field'.$i.'_label']);
          }

         if ($si_contact_opt['ex_field'.$i.'_type'] == 'fieldset') {
             $msg .= $this->make_bold($si_contact_opt['ex_field'.$i.'_label']).$php_eol;
         } else if ($si_contact_opt['ex_field'.$i.'_type'] == 'hidden') {
             list($exf_opts_label, $value) = preg_split('#(?<!\\\)\,#',$si_contact_opt['ex_field'.$i.'_label']); //string will be split by "," but "\," will be ignored
             $exf_opts_label   = trim(str_replace('\,',',',$exf_opts_label)); // "\," changes to ","
             $msg .= $this->make_bold($exf_opts_label)."$php_eol${'ex_field'.$i}".$php_eol.$php_eol;
             $posted_data["ex_field$i"] = ${'ex_field'.$i};
         } else if ($si_contact_opt['ex_field'.$i.'_type'] == 'time') {
             if ($si_contact_opt['time_format'] == '12')
               $concat_time = ${'ex_field'.$i.'h'}.':'.${'ex_field'.$i.'m'}.' '.${'ex_field'.$i.'ap'};
             else
               $concat_time = ${'ex_field'.$i.'h'}.':'.${'ex_field'.$i.'m'};
             $msg .= $this->make_bold($si_contact_opt['ex_field'.$i.'_label']).$php_eol.$concat_time.$php_eol.$php_eol;
             $posted_data["ex_field$i"] = $concat_time;
         } else if ($si_contact_opt['ex_field'.$i.'_type'] == 'attachment' && $si_contact_opt['php_mailer_enable'] != 'php' && ${'ex_field'.$i} != '') {
             $msg .= $this->make_bold($si_contact_opt['ex_field'.$i.'_label'])."$php_eol * ".__('File is attached:', 'si-contact-form')." ${'ex_field'.$i}".$php_eol.$php_eol;
             $posted_data["ex_field$i"] = __('File is attached:', 'si-contact-form')." ${'ex_field'.$i}";
         } else if ($si_contact_opt['ex_field'.$i.'_type'] == 'select' || $si_contact_opt['ex_field'.$i.'_type'] == 'radio') {
             list($exf_opts_label, $value) = preg_split('#(?<!\\\)\,#',$si_contact_opt['ex_field'.$i.'_label']); //string will be split by "," but "\," will be ignored
             $exf_opts_label   = trim(str_replace('\,',',',$exf_opts_label)); // "\," changes to ","
             $msg .= $this->make_bold($exf_opts_label)."$php_eol${'ex_field'.$i}".$php_eol.$php_eol;
             $posted_data["ex_field$i"] = ${'ex_field'.$i};
         } else if ($si_contact_opt['ex_field'.$i.'_type'] == 'select-multiple') {
             $exf_opts_array = array();
             $exf_opts_label = '';
             $exf_array_test = trim($si_contact_opt['ex_field'.$i.'_label'] );
             if(preg_match('#(?<!\\\)\,#', $exf_array_test) && preg_match("/;/", $exf_array_test) ) {
                list($exf_opts_label, $value) = preg_split('#(?<!\\\)\,#',$exf_array_test); //string will be split by "," but "\," will be ignored
                $exf_opts_label   = trim(str_replace('\,',',',$exf_opts_label)); // "\," changes to ","
                $value = trim(str_replace('\,',',',$value)); // "\," changes to ","
                if ($exf_opts_label != '' && $value != '') {
                    if(!preg_match("/;/", $value)) {
                       // error - a select-multiple field is not configured properly in settings.
                    } else {
                         // multiple options
                         $exf_opts_array = explode(";",$value);
                    }
                    $msg .= $this->make_bold($exf_opts_label).$php_eol;
                    $posted_data["ex_field$i"] = '';
                    if (is_array(${'ex_field'.$i}) && ${'ex_field'.$i} != '') {
                       // loop
                       $ex_cnt = 1;
                       foreach ($exf_opts_array as $k) {  // select-multiple
                          if (in_array($k, ${'ex_field'.$i} ) ) {
                             $msg .= ' * '.$k.$php_eol;
                             $posted_data["ex_field$i"] .= ' * '.$k;
                             $ex_cnt++;
                          }
                       }
                    }
                    $msg .= $php_eol;
                }
             }
         } else if ($si_contact_opt['ex_field'.$i.'_type'] == 'checkbox' || $si_contact_opt['ex_field'.$i.'_type'] == 'checkbox-multiple') {
             $exf_opts_array = array();
             $exf_opts_label = '';
             $exf_array_test = trim($si_contact_opt['ex_field'.$i.'_label'] );
             if(preg_match('#(?<!\\\)\,#', $exf_array_test)  && preg_match("/;/", $exf_array_test) ) {
                list($exf_opts_label, $value) = preg_split('#(?<!\\\)\,#',$exf_array_test); //string will be split by "," but "\," will be ignored
                $exf_opts_label   = trim(str_replace('\,',',',$exf_opts_label)); // "\," changes to ","
                $value = trim(str_replace('\,',',',$value)); // "\," changes to ","
                if ($exf_opts_label != '' && $value != '') {
                    if(!preg_match("/;/", $value)) {
                       // error
                       //A checkbox field is not configured properly in settings.
                    } else {
                         // multiple options
                         $exf_opts_array = explode(";",$value);
                    }
                    $msg .= $this->make_bold($exf_opts_label).$php_eol;
                    $posted_data["ex_field$i"] = '';
                    // loop
                    $ex_cnt = 1;
                    foreach ($exf_opts_array as $k) {  // checkbox multi
                     if( isset(${'ex_field'.$i.'_'.$ex_cnt}) && ${'ex_field'.$i.'_'.$ex_cnt} == 'selected') {
                       $msg .= ' * '.$k.$php_eol;
                       $posted_data["ex_field$i"] .= ' * '.$k;
                     }
                     $ex_cnt++;
                    }
                    $msg .= $php_eol;
                }
             } else {  // checkbox single
                 if(${'ex_field'.$i} == 'selected') {
                   $si_contact_opt['ex_field'.$i.'_label'] = trim(str_replace('\,',',',$si_contact_opt['ex_field'.$i.'_label'])); // "\," changes to ","
                   $msg .= $this->make_bold($si_contact_opt['ex_field'.$i.'_label'])."$php_eol * ".__('selected', 'si-contact-form').$php_eol.$php_eol;
                   $posted_data["ex_field$i"] = '* '.__('selected', 'si-contact-form');
                 }
             }
         } else {  // text, textarea, date, password, email, url
               if(${'ex_field'.$i} != ''){
                   if ($si_contact_opt['ex_field'.$i.'_type'] == 'textarea' && $si_contact_opt['textarea_html_allow'] == 'true') {
                        $msg .= $this->make_bold($si_contact_opt['ex_field'.$i.'_label']).$php_eol.$this->ctf_stripslashes(${'ex_field'.$i}).$php_eol.$php_eol;
                        $posted_data["ex_field$i"] = ${'ex_field'.$i};
                   }else{
                        $msg .= $this->make_bold($si_contact_opt['ex_field'.$i.'_label']).$php_eol.${'ex_field'.$i}.$php_eol.$php_eol;
                        $posted_data["ex_field$i"] = ${'ex_field'.$i};
                        if ($si_contact_opt['ex_field'.$i.'_type'] == 'email' && $email == '' && $si_contact_opt['email_type'] == 'not_available') {
                          // admin set the standard email field 'not_available' then added an email extra field type.
                          // lets capture that as the 'from_email'.
                           $email = ${'ex_field'.$i};
                           $this->ctf_forbidifnewlines($email);
                           $posted_data['from_email'] = $email;
                       }
                   }
               }
         }
       }
    } // end for

   // allow shortcode hidden fields   http://www.fastsecurecontactform.com/shortcode-options
   if ( $shortcode_hidden != '') {
      $hidden_fields_test = explode(",",$shortcode_hidden);
      if ( !empty($hidden_fields_test) ) {
         foreach($hidden_fields_test as $line) {
           if(preg_match("/=/", $line) ) {
               list($key, $value) = explode("=",$line);
               $key   = trim($key);
               $value = trim($value);
               if ($key != '' && $value != '') {
                 if($key == 'form_page') {  // page url
                   $msg .= $this->make_bold(__('Form Page', 'si-contact-form')).$php_eol.esc_url($form_action_url).$php_eol.$php_eol;
                   $posted_data['form_page'] = esc_url($form_action_url);
                 }else{
                   $msg .= $this->make_bold($key).$php_eol.$this->ctf_stripslashes($value).$php_eol.$php_eol;
                   $posted_data[$key] = $value;
                 }
              }
          }
        }
      }
   }
    if ($si_contact_opt['ex_fields_after_msg'] != 'true' && $message != '') {
        $msg .= $this->make_bold(__('Message:', 'si-contact-form'))."$php_eol$message$php_eol$php_eol";
        $posted_data['message'] = $message;
    }

   // subject can include posted data names feature:
   foreach ($posted_data as $key => $data) {
         if( in_array($key,array('message','full_message','akismet')) )  // disallow these
            continue;
	     if( is_string($data) )
              $subj = str_replace('['.$key.']',$data,$subj);
   }
   $subj = preg_replace('/(\[ex_field)(\d+)(\])/','',$subj); // remove empty ex_field tags
   $posted_form_name = ( $si_contact_opt['form_name'] != '' ) ? $si_contact_opt['form_name'] : sprintf(__('Form: %d', 'si-contact-form'),$form_id_num);
   $subj = str_replace('[form_label]',$posted_form_name,$subj);
   $posted_data['subject'] = $subj;

  // lookup country info for this ip
  // geoip lookup using Visitor Maps and Who's Online plugin
  $geo_loc = '';
  if( $si_contact_opt['sender_info_enable'] == 'true' &&
    file_exists( WP_PLUGIN_DIR . '/visitor-maps/include-whos-online-geoip.php') &&
    file_exists( WP_PLUGIN_DIR . '/visitor-maps/GeoLiteCity.dat') ) {
   require_once(WP_PLUGIN_DIR . '/visitor-maps/include-whos-online-geoip.php');
   $gi = geoip_open_VMWO( WP_PLUGIN_DIR . '/visitor-maps/GeoLiteCity.dat', VMWO_GEOIP_STANDARD);
    $record = geoip_record_by_addr_VMWO($gi, $_SERVER['REMOTE_ADDR']);
   geoip_close_VMWO($gi);
   $li = array();
   $li['city_name']    = (isset($record->city)) ? $record->city : '';
   $li['state_name']   = (isset($record->country_code) && isset($record->region)) ? $GEOIP_REGION_NAME[$record->country_code][$record->region] : '';
   $li['state_code']   = (isset($record->region)) ? strtoupper($record->region) : '';
   $li['country_name'] = (isset($record->country_name)) ? $record->country_name : '--';
   $li['country_code'] = (isset($record->country_code)) ? strtoupper($record->country_code) : '--';
   $li['latitude']     = (isset($record->latitude)) ? $record->latitude : '0';
   $li['longitude']    = (isset($record->longitude)) ? $record->longitude : '0';
   if ($li['city_name'] != '') {
     if ($li['country_code'] == 'US') {
         $geo_loc = $li['city_name'];
         if ($li['state_code'] != '')
            $geo_loc = $li['city_name'] . ', ' . strtoupper($li['state_code']);
     } else {      // all non us countries
             $geo_loc = $li['city_name'] . ', ' . strtoupper($li['country_code']);
     }
   } else {
     $geo_loc = '~ ' . $li['country_name'];
   }
 }
    // add some info about sender to the email message
    $userdomain = '';
    $userdomain = gethostbyaddr($_SERVER['REMOTE_ADDR']);
    $user_info_string = '';
    if ($user_ID != '') {
        //user logged in
       if ($current_user->user_login != '') $user_info_string .= __('From a WordPress user', 'si-contact-form').': '.$current_user->user_login . $php_eol;
       if ($current_user->user_email != '') $user_info_string .= __('User email', 'si-contact-form').': '.$current_user->user_email . $php_eol;
       if ($current_user->user_firstname != '') $user_info_string .= __('User first name', 'si-contact-form').': '.$current_user->user_firstname . $php_eol;
       if ($current_user->user_lastname != '') $user_info_string .= __('User last name', 'si-contact-form').': '.$current_user->user_lastname . $php_eol;
       if ($current_user->display_name != '') $user_info_string .= __('User display name', 'si-contact-form').': '.$current_user->display_name . $php_eol;
       if ($current_user->ID != '') $user_info_string .= __('User ID', 'si-contact-form').': '.$current_user->ID . $php_eol;
    }
    $user_info_string .= __('Sent from (ip address)', 'si-contact-form').': '.esc_attr($_SERVER['REMOTE_ADDR'])." ($userdomain)".$php_eol;
    if ( $geo_loc != '' ) {
      $user_info_string .= __('Location', 'si-contact-form').': '.$geo_loc. $php_eol;
      $posted_data['sender_location'] = __('Location', 'si-contact-form').': '.$geo_loc;
    }
    $user_info_string .= __('Date/Time', 'si-contact-form').': '.date_i18n(get_option('date_format').' '.get_option('time_format'), time() ) . $php_eol;
    $user_info_string .= __('Coming from (referer)', 'si-contact-form').': '.esc_url($form_action_url). $php_eol;
    $user_info_string .= __('Using (user agent)', 'si-contact-form').': '.$this->ctf_clean_input($_SERVER['HTTP_USER_AGENT']) . $php_eol.$php_eol;
    if ($si_contact_opt['sender_info_enable'] == 'true')
       $msg .= $user_info_string;

    $posted_data['date_time'] = date_i18n(get_option('date_format').' '.get_option('time_format'), time() );

   // Check with Akismet, but only if Akismet is installed, activated, and has a KEY. (Recommended for spam control).
   if( $si_contact_opt['akismet_disable'] == 'false' ) { // per form disable feature
     //if($si_contact_opt['message_type'] != 'not_available' && $message != '' && function_exists('akismet_http_post') && get_option('wordpress_api_key') ){
     if(function_exists('akismet_http_post') && get_option('wordpress_api_key') ){
      global $akismet_api_host, $akismet_api_port;
	  $c['user_ip']    		= preg_replace( '/[^0-9., ]/', '', $_SERVER['REMOTE_ADDR'] );
	  $c['user_agent'] 		= (isset($_SERVER['HTTP_USER_AGENT'])) ? $_SERVER['HTTP_USER_AGENT'] : '';
	  $c['referrer']   		= (isset($_SERVER['HTTP_REFERER'])) ? $_SERVER['HTTP_REFERER'] : '';
	  $c['blog']       		= get_option('home');
      $c['blog_lang']       = get_locale(); // default 'en_US'
      $c['blog_charset']    = get_option('blog_charset');
	  $c['permalink']       = $form_action_url;
	  $c['comment_type']    = 'contact-form';
	  $c['comment_author']  = $name;
      //$c['is_test']  = "1";  // uncomment this when testing spam detection   
      //$c['comment_author']  = "viagra-test-123";  // uncomment this to test spam detection
      // or  You can just put viagra-test-123 as the name when testing the form (no need to edit this php file to test it)
      if($email != '') $c['comment_author_email'] = $email;
	  //$c['comment_content'] = $message;
      $c['comment_content'] = $msg;
	  $ignore = array( 'HTTP_COOKIE', 'HTTP_COOKIE2', 'PHP_AUTH_PW' );
      foreach ( $_SERVER as $key => $value ) {
           if ( !in_array( $key, $ignore ) && is_string($value) )
               $c["$key"] = $value;
            else
               $c["$key"] = '';
      }
      $query_string = '';
	  foreach ( $c as $key => $data ) {
	     if( is_string($data) )
		    $query_string .= $key . '=' . urlencode( stripslashes($data) ) . '&';
      }
	  $response = akismet_http_post($query_string, $akismet_api_host, '/1.1/comment-check', $akismet_api_port);
	  if ( 'true' == $response[1] ) {
	    if( $si_contact_opt['akismet_send_anyway'] == 'false' ) {
            $this->si_contact_error = 1; // Akismet says it is spam.
            $si_contact_error_message = ($si_contact_opt['error_input'] != '') ? $si_contact_opt['error_input'] : __('Invalid Input - Spam?', 'si-contact-form');
            if ($user_ID != '' && current_user_can('level_10') ) {
              // show administrator a helpful message
              $si_contact_error_message .= '<br />'. __('Akismet determined your message is spam. This can be caused by the message content, your email address, or your IP address being on the Akismet spam system. The administrator can turn off Akismet for the form on the form edit menu.', 'si-contact-form');
            }
        } else {
              // Akismet says it is spam. flag the subject as spam and send anyway.
              $subj = __('Akismet: Spam', 'si-contact-form'). ' - ' . $subj;
              $msg = str_replace(__('Sent from (ip address)', 'si-contact-form'),__('Akismet Spam Check: probably spam', 'si-contact-form').$php_eol.__('Sent from (ip address)', 'si-contact-form'),$msg);
              $posted_data['akismet'] = __('probably spam', 'si-contact-form');
        }
	  }else {
            $msg = str_replace(__('Sent from (ip address)', 'si-contact-form'),__('Akismet Spam Check: passed', 'si-contact-form').$php_eol.__('Sent from (ip address)', 'si-contact-form'),$msg);
            $posted_data['akismet'] = __('passed', 'si-contact-form');
      }
    } // end if(function_exists('akismet_http_post')){
   }
   $posted_data['full_message'] = $msg;

   if ($si_contact_opt['email_html'] == 'true') {
     $msg = str_replace(array("\r\n", "\r", "\n"), "<br>", $msg);
     $msg = '<html><body>' . $php_eol . $msg . '</body></html>'.$php_eol;
   }

     // wordwrap email message
     $msg = wordwrap($msg, 70,$php_eol);

  $email_off = 0;
  if ($si_contact_opt['redirect_enable'] == 'true' && $si_contact_opt['redirect_query'] == 'true' && $si_contact_opt['redirect_email_off'] == 'true')
    $email_off = 1;

  if ($si_contact_opt['export_enable'] == 'true' && $si_contact_opt['export_email_off'] == 'true')
    $email_off = 1;

  if ($si_contact_opt['silent_send'] != 'off' &&  $si_contact_opt['silent_email_off'] == 'true')
    $email_off = 1;

  if (!$this->si_contact_error) {

   if (!$email_off) {
    $ctf_email_on_this_domain = $si_contact_opt['email_from']; // optional
    // prepare the email header
    $this->si_contact_from_name  = ($name == '') ? 'WordPress' : $name;
    $this->si_contact_from_email = ($email == '') ? get_option('admin_email') : $email;

    if ($ctf_email_on_this_domain != '' ) {
         if(!preg_match("/,/", $ctf_email_on_this_domain)) {
           // just an email: hide@address.com
           $this->si_contact_mail_sender = $ctf_email_on_this_domain;
           if($email == '' || $si_contact_opt['email_from_enforced'] == 'true')
              $this->si_contact_from_email = $ctf_email_on_this_domain;
         } else {
           // name and email: webmaster,hide@address.com
           list($key, $value) = explode(",",$ctf_email_on_this_domain);
           $key   = trim($key);
           $value = trim($value);
           $this->si_contact_mail_sender = $value;
           if($name == '')
             $this->si_contact_from_name = $key;
           if($email == '' || $si_contact_opt['email_from_enforced'] == 'true')
             $this->si_contact_from_email = $value;
         }
    }
    $header_php =  "From: $this->si_contact_from_name <$this->si_contact_from_email>\n"; // header for php mail only
    $header = '';  // for php mail and wp_mail
    // process $mail_to hide@address.com,[cc]hide@address.com,[cc]hide@address.com,[bcc]hide@address.com,[bcc]hide@address.com
    // some are cc, some are bcc
    $mail_to_arr = explode( ',', $mail_to );
    $mail_to = trim($mail_to_arr[0]);
    unset($mail_to_arr[0]);
    $ctf_email_address_cc = '';
    if ($ctf_email_address_bcc != '')
            $ctf_email_address_bcc = $ctf_email_address_bcc. ',';
	foreach ( $mail_to_arr as $key => $this_mail_to ) {
	       if (preg_match("/\[bcc\]/i",$this_mail_to) )  {
                 $this_mail_to = str_replace('[bcc]','',$this_mail_to);
                 $ctf_email_address_bcc .= "$this_mail_to,";
           }else{
                 $this_mail_to = str_replace('[cc]','',$this_mail_to);
                 $ctf_email_address_cc .= "$this_mail_to,";
           }
    }
    if ($ctf_email_address_cc != '') {
            $ctf_email_address_cc = rtrim($ctf_email_address_cc, ',');
            $header .= "Cc: $ctf_email_address_cc\n"; // for php mail and wp_mail
    }
    if ($ctf_email_address_bcc != '') {
            $ctf_email_address_bcc = rtrim($ctf_email_address_bcc, ',');
            $header .= "Bcc: $ctf_email_address_bcc\n"; // for php mail and wp_mail
    }

    if ($si_contact_opt['email_reply_to'] != '') { // custom reply_to
         $header .= "Reply-To: ".$si_contact_opt['email_reply_to']."\n"; // for php mail and wp_mail
    }else if($email != '') {   // trying this: keep users reply to even when email_from_enforced
         $header .= "Reply-To: $email\n"; // for php mail and wp_mail
    }else {
         $header .= "Reply-To: $this->si_contact_from_email\n"; // for php mail and wp_mail
    }
    if ($ctf_email_on_this_domain != '') {
      $header .= "X-Sender: $this->si_contact_mail_sender\n";  // for php mail
      $header .= "Return-Path: $this->si_contact_mail_sender\n";   // for php mail
    }

    if ($si_contact_opt['email_html'] == 'true') {
            $header .= 'Content-type: text/html; charset='. get_option('blog_charset') . $php_eol;
    } else {
            $header .= 'Content-type: text/plain; charset='. get_option('blog_charset') . $php_eol;
    }

    @ini_set('sendmail_from', $this->si_contact_from_email);

    // Check for safe mode
    $this->safe_mode = ((boolean)@ini_get('safe_mode') === false) ? 0 : 1;

    if ($si_contact_opt['php_mailer_enable'] == 'php') {
      // sending with php mail
       $header_php .= $header;
      if ($ctf_email_on_this_domain != '' && !$this->safe_mode) {
          // Pass the Return-Path via sendmail's -f command.
          @mail($mail_to,$subj,$msg,$header_php, '-f '.$this->si_contact_mail_sender);
      }else{
          // the fifth parameter is not allowed in safe mode
          @mail($mail_to,$subj,$msg,$header_php);
      }

    } else {
      // sending with wp_mail
      add_filter( 'wp_mail_from', array(&$this,'si_contact_form_from_email'),1);
      add_filter( 'wp_mail_from_name', array(&$this,'si_contact_form_from_name'),1);
      if ($ctf_email_on_this_domain != '') {
         // Add an action on phpmailer_init to add Sender $this->si_contact_mail_sender for Return-path in wp_mail
         // this helps spf checking when the Sender email address matches the site domain name
         add_action('phpmailer_init', array(&$this,'si_contact_form_mail_sender'),1);
      }
        if ( $this->uploaded_files ) {
			    $attach_this_mail = array();
			    foreach ( $this->uploaded_files as $path ) {
				    $attach_this_mail[] = $path;
			    }
			    @wp_mail($mail_to,$subj,$msg,$header,$attach_this_mail);
		} else {
		        @wp_mail($mail_to,$subj,$msg,$header);
		}
    }
   } // end if (!$email_off) {

   // autoresponder feature
   if ($si_contact_opt['auto_respond_enable'] == 'true' && $email != '' && $si_contact_opt['auto_respond_subject'] != '' && $si_contact_opt['auto_respond_message'] != ''){
       $subj = $si_contact_opt['auto_respond_subject'];
       $msg =  $si_contact_opt['auto_respond_message'];

       // $posted_data is an array of the form name value pairs
       // autoresponder can include posted data, tags are set on form settings page
       foreach ($posted_data as $key => $data) {
          if( in_array($key,array('message','full_message','akismet')) )  // disallow these
            continue;
	       if( is_string($data) ) {
	         $subj = str_replace('['.$key.']',$data,$subj);
             $msg = str_replace('['.$key.']',$data,$msg);
           }
       }
       $subj = preg_replace('/(\[ex_field)(\d+)(\])/','',$subj); // remove empty ex_field tags
       $msg = preg_replace('/(\[ex_field)(\d+)(\])/','',$msg);   // remove empty ex_field tags
       $subj = str_replace('[form_label]',$posted_form_name,$subj);

       // wordwrap email message
       $msg = wordwrap($msg, 70,$php_eol);

       $header = '';
       $header_php = '';
       $auto_respond_from_name  = $si_contact_opt['auto_respond_from_name'];
       $auto_respond_from_email = $si_contact_opt['auto_respond_from_email'];
       $auto_respond_reply_to   = $si_contact_opt['auto_respond_reply_to'];
       // prepare the email header

       $header_php =  "From: $auto_respond_from_name <". $auto_respond_from_email . ">\n";
       $this->si_contact_from_name = $auto_respond_from_name;
       $this->si_contact_from_email = $auto_respond_from_email;

       $header .= "Reply-To: $auto_respond_reply_to\n";   // for php mail and wp_mail
       $header .= "X-Sender: $this->si_contact_from_email\n";  // for php mail
       $header .= "Return-Path: $this->si_contact_from_email\n";  // for php mail
       if ($si_contact_opt['auto_respond_html'] == 'true') {
               $header .= 'Content-type: text/html; charset='. get_option('blog_charset') . $php_eol;
       } else {
               $header .= 'Content-type: text/plain; charset='. get_option('blog_charset') . $php_eol;
       }

       @ini_set('sendmail_from' , $this->si_contact_from_email);
       if ($si_contact_opt['php_mailer_enable'] == 'php') {
            // autoresponder sending with php
            $header_php .= $header;
            if (!$this->safe_mode) {
                // Pass the Return-Path via sendmail's -f command.
                @mail($email,$subj,$msg,$header_php, '-f '.$this->si_contact_from_email);
            } else {
                // the fifth parameter is not allowed in safe mode
                @mail($email,$subj,$msg,$header_php);
            }
       } else {
            // autoresponder sending with wp_mail
            add_filter( 'wp_mail_from_name', array(&$this,'si_contact_form_from_name'),1);
            add_filter( 'wp_mail_from', array(&$this,'si_contact_form_from_email'),1);
	        @wp_mail($email,$subj,$msg,$header);
       }
  }

    $message_sent = 1;

   unset($_POST['si_contact_action']);  //prevent form double posting
   unset($_POST['si_contact_form_id']); //prevent form double posting

  if ($si_contact_opt['silent_send'] == 'get' && $si_contact_opt['silent_url'] != '') {
     // build query string
     $query_string = $this->si_contact_export_convert($posted_data,$si_contact_opt['silent_rename'],$si_contact_opt['silent_ignore'],$si_contact_opt['silent_add'],'query');
     if(!preg_match("/\?/", $si_contact_opt['silent_url']) )
        $silent_result = wp_remote_get( $si_contact_opt['silent_url'].'?'.$query_string, array( 'timeout' => 20, 'sslverify'=>false ) );
      else
        $silent_result = wp_remote_get( $si_contact_opt['silent_url'].'&'.$query_string, array( 'timeout' => 20, 'sslverify'=>false ) );
	 if ( !is_wp_error( $silent_result ) ) {
       $silent_result = wp_remote_retrieve_body( $silent_result );
	 }
     //echo $silent_result;
  }

  if ($si_contact_opt['silent_send'] == 'post' && $si_contact_opt['silent_url'] != '') {
     // build post_array
     $post_array = $this->si_contact_export_convert($posted_data,$si_contact_opt['silent_rename'],$si_contact_opt['silent_ignore'],$si_contact_opt['silent_add'],'array');
	 $silent_result = wp_remote_post( $si_contact_opt['silent_url'], array( 'body' => $post_array, 'timeout' => 20, 'sslverify'=>false ) );
	 if ( !is_wp_error( $silent_result ) ) {
       $silent_result = wp_remote_retrieve_body( $silent_result );
	 }
     //echo $silent_result;
  }

  if ($si_contact_opt['export_enable'] == 'true') {
      // filter posted data based on admin settings
      $posted_data_export = $this->si_contact_export_convert($posted_data,$si_contact_opt['export_rename'],$si_contact_opt['export_ignore'],$si_contact_opt['export_add'],'array');
      // Use form name from form edit page if one is set.
      $posted_form_name = ( $si_contact_opt['form_name'] != '' ) ? $si_contact_opt['form_name'] : sprintf(__('Form: %d', 'si-contact-form'),$form_id_num);
      // hook for other plugins to use (just after message posted)
      $fsctf_posted_data = (object) array('title' => $posted_form_name, 'posted_data' => $posted_data_export, 'uploaded_files' => (array) $this->uploaded_files );
      do_action_ref_array( 'fsctf_mail_sent', array( &$fsctf_posted_data ) );
   }  // end if export_enable

  } // end if ! error
 } // end if ! error

if ($have_attach){
  // unlink attachment temp files
  foreach ( (array) $this->uploaded_files as $path ) {
   @unlink( $path );
  }
}

?>
Return current item: Fast Secure Contact Form