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<!DOCTYPE html>
<html>
<?php
/*  Copyright 2013-2017 Renzo Johnson (email: renzojohnson at gmail.com)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

$plugins = get_option('active_plugins');
$plugchimpmail ='chimpmail/chimpmail.php';

if ( in_array( $plugchimpmail , $plugins ) ) {
    //do_action( 'ep_before_list',$panels);
}else {
  add_filter( 'wpcf7_editor_panels', 'show_mch_metabox' );
  add_action( 'wpcf7_after_save', 'wpcf7_mch_save_mailchimp' );
  add_filter('wpcf7_form_response_output', 'spartan_mce_author_wpcf7', 40,4);
  add_action( 'wpcf7_before_send_mail', 'wpcf7_mch_subscribe' );
  add_filter( 'wpcf7_form_class_attr', 'spartan_mce_class_attr' );
}

resetlogfile_mce(); //para resetear



function wpcf7_mch_add_mailchimp($args) {
  $cf7_mch_defaults = array();
  $cf7_mch = get_option( 'cf7_mch_'.$args->id(), $cf7_mch_defaults );

  $host = esc_url_raw( $_SERVER['HTTP_HOST'] );
  $url = $_SERVER['REQUEST_URI'];
  $urlactual = $url;

  //var_dump($cf7_mch['logfileEnabled']);

  include SPARTAN_MCE_PLUGIN_DIR . '/lib/view.php';

}



function resetlogfile_mce() {

  if ( isset( $_REQUEST['mce_reset_log'] ) ) {

    $mch_debug_logger = new mch_Debug_Logger();

    $mch_debug_logger->reset_mch_log_file( 'log.txt' );
    $mch_debug_logger->reset_mch_log_file( 'log-cron-job.txt' );
    echo '<div id="message" class="updated is-dismissible"><p>Debug log files have been reset!</p></div>';
  }

}



function wpcf7_mch_save_mailchimp($args) {

  if (!empty($_POST)){
    update_option( 'cf7_mch_'.$args->id(), $_POST['wpcf7-mailchimp'] );

  }

}



function show_mch_metabox ( $panels ) {

  $new_page = array(
    'MailChimp-Extension' => array(
      'title' => __( 'MailChimp!', 'contact-form-7' ),
      'callback' => 'wpcf7_mch_add_mailchimp'
    )
  );

  $panels = array_merge($panels, $new_page);

  return $panels;

}



function spartan_mce_author_wpcf7( $mce_supps, $class, $content, $args ) {

  $cf7_mch_defaults = array();
  $cf7_mch = get_option( 'cf7_mch_'.$args->id(), $cf7_mch_defaults );
  $cfsupp = ( isset( $cf7_mch['cf-supp'] ) ) ? $cf7_mch['cf-supp'] : 0;

  if ( 1 == $cfsupp ) {

    $mce_supps .= mce_referer();
    $mce_supps .= mce_author();

  } else {

    $mce_supps .= mce_referer();
    $mce_supps .= '<!-- Chimpmail extension by Renzo Johnson -->';
  }
  return $mce_supps;

}



function cf7_mch_tag_replace( $pattern, $subject, $posted_data, $html = false ) {

  if( preg_match($pattern,$subject,$matches) > 0)
  {

    if ( isset( $posted_data[$matches[1]] ) ) {
      $submitted = $posted_data[$matches[1]];

      if ( is_array( $submitted ) )
        $replaced = join( ', ', $submitted );
      else
        $replaced = $submitted;

      if ( $html ) {
        $replaced = strip_tags( $replaced );
        $replaced = wptexturize( $replaced );
      }

      $replaced = apply_filters( 'wpcf7_mail_tag_replaced', $replaced, $submitted );

      return stripslashes( $replaced );
    }

    if ( $special = apply_filters( 'wpcf7_special_mail_tags', '', $matches[1] ) )
      return $special;

    return $matches[0];
  }
  return $subject;

}



function wpcf7_mch_subscribe($obj) {
  $cf7_mch = get_option( 'cf7_mch_'.$obj->id() );

  $submission = WPCF7_Submission::get_instance();

  // $logfileEnabled = $cf7_mch['logfileEnabled'];
  // $logfileEnabled = ( is_null( $logfileEnabled ) ) ? false : $logfileEnabled;

  $logfileEnabled = isset($cf7_mch['logfileEnabled']) && !is_null($cf7_mch['logfileEnabled']) ? $cf7_mch['logfileEnabled'] : false;


  if( $cf7_mch ) {
    $subscribe = false;

    $regex = '/\[\s*([a-zA-Z_][0-9a-zA-Z:._-]*)\s*\]/';
    $callback = array( &$obj, 'cf7_mch_callback' );

    $email = cf7_mch_tag_replace( $regex, $cf7_mch['email'], $submission->get_posted_data() );
    $name = cf7_mch_tag_replace( $regex, $cf7_mch['name'], $submission->get_posted_data() );

    $lists = cf7_mch_tag_replace( $regex, $cf7_mch['list'], $submission->get_posted_data() );
    $listarr = explode(',',$lists);

    $merge_vars=array('FNAME'=>$name);// *x1

        // *x2
        $parts = explode(" ", $name);
        if(count($parts)>1) { // *x3

          $lastname = array_pop($parts);
          $firstname = implode(" ", $parts);
          $merge_vars=array('FNAME'=>$firstname, 'LNAME'=>$lastname);

        } else { // *x4

          $merge_vars=array('FNAME'=>$name);// *x5

        }


    if( isset($cf7_mch['accept']) && strlen($cf7_mch['accept']) != 0 )
    {
      $accept = cf7_mch_tag_replace( $regex, $cf7_mch['accept'], $submission->get_posted_data() );
      if($accept != $cf7_mch['accept'])
      {
        if(strlen($accept) > 0)
          $subscribe = true;
      }
    }
    else
    {
      $subscribe = true;
    }

    for($i=1;$i<=20;$i++){

      if( isset($cf7_mch['CustomKey'.$i]) && isset($cf7_mch['CustomValue'.$i]) && strlen(trim($cf7_mch['CustomValue'.$i])) != 0 )
      {
        $CustomFields[] = array('Key'=>trim($cf7_mch['CustomKey'.$i]), 'Value'=>cf7_mch_tag_replace( $regex, trim($cf7_mch['CustomValue'.$i]), $submission->get_posted_data() ) );
        $NameField=trim($cf7_mch['CustomKey'.$i]);
        $NameField=strtr($NameField, "[", "");
        $NameField=strtr($NameField, "]", "");
        $merge_vars=$merge_vars + array($NameField=>cf7_mch_tag_replace( $regex, trim($cf7_mch['CustomValue'.$i]), $submission->get_posted_data() ) );
      }

    }

    if( isset($cf7_mch['confsubs']) && strlen($cf7_mch['confsubs']) != 0 ) {
      $mce_csu = 'pending';
    } else {
      $mce_csu = 'subscribed';
    }

    if($subscribe && $email != $cf7_mch['email']) {

      try {

        $cad_mergefields = "";
        $cuentarray = count($merge_vars);

        //Armando mergerfields
        foreach($merge_vars as $clave=>$valor)

        {
            $cadvar= '"'.$clave.'":"' .$valor. '", ';
            //var_dump($cadvar);
            $cad_mergefields = $cad_mergefields . $cadvar ;
            //var_dump($cad_mergefields);
        }


        $cad_mergefields = substr($cad_mergefields,0,strlen($cad_mergefields) -2);


        // Variables for auth and must fields
        $api   = $cf7_mch['api'];
        $dc    = explode("-",$api);
        $list  = $lists;

        $datex = date('H.i.s');
        $url   = "https://anystring:$dc[0]@$dc[1].api.mailchimp.com/3.0/lists/$list";
        $info  = '{"members": [

                      { "email_address": "'.$email.'",
                        "status": "'.$mce_csu.'",
                        "merge_fields":{ '.$cad_mergefields.' }
                      }
                  ],
                  "update_existing": true}';

        $resp = vc_post( $url,$info );
        //var_dump($resp);

        // decode response from MC
        // =========================================

        // $objs  = json_decode($resp);
        // return $objs;
        // $array  = json_decode($resp,true);



        $mch_debug_logger = new mch_Debug_Logger();
        $mch_debug_logger->log_mch_debug( 'Contact Form 7 response: Mail sent OK | MailChimp.com response: ' .$resp ,1,$logfileEnabled );


      } // end try

      catch (Exception $e) {

        $mch_debug_logger = new mch_Debug_Logger();
        $mch_debug_logger->log_mch_debug( 'Contact Form 7 response: ' .$e->getMessage(),4,$logfileEnabled );

      }  // end catch


    } // end $subscribe

  }

}



function vc_post( $url, $info, $method = 'POST', $adminEmail = false ){// primary function

  if(ini_get('allow_url_fopen')){// test for allow_url_fopen

    return cf7mce_use_fopen( $url, $info, $method );

  } elseif (in_array('curl',get_loaded_extensions())){// test for cURL

    return cf7mce_use_curl( $url, $info, $method );

  }else{// neither method is available, send mail

    if( !$adminEmail ){ $adminEmail = get_bloginfo( 'admin_email' ); }
    return cf7mce_use_wpmail($url,$info,$method,$adminEmail);

  }

}



function cf7mce_use_fopen( $url, $info, $method ){

  $vc_date = date('M.d.H.i');
  $data = array(
    'http' => array(

      'method'  => $method,
      'content' => $info,
      'header'  => array( 'content-type: application/x-www-form-urlencoded', 'user-agent: mce.P.'. SPARTAN_MCE_VERSION . $vc_date . '_' )

    )
  );

  return stream_get_contents(fopen($url,'rb',0,stream_context_create($data)));

}



function cf7mce_use_curl($url,$info,$method){

  $vc_date = date('M.d.H.i');
  $useragent = 'mce.C.'. SPARTAN_MCE_VERSION . $vc_date . '_';

  $apikey = explode(':',$url);
  $apikey1 = explode('@',$apikey[2]);
  $apikey = $apikey1[0];// api key only - no dash or dc

  $dc = $apikey1[1];
  $dc1 = explode('.',$dc);
  $dc = $dc1[0];

  $shortURL = array_shift($dc1);
  $shortURL = implode('.',$dc1);
  $shortURL = 'https://'.$shortURL;

  $originalAPIkey = $apikey .'-'. $dc;
  $apikey = $originalAPIkey;
  $auth = base64_encode( 'anystring:'. $apikey );
  $shortURL =$url;
  //return "###--apikey=$apikey|--shortUrl=$shortURL|--URL=$url###";
  if($method == 'POST'){
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $shortURL);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json','Authorization: Basic '.$auth));
    curl_setopt($ch, CURLOPT_USERAGENT, '' . $useragent . '');
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 20);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $info);
    return curl_exec($ch);

  } elseif($method == 'GET'){
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $shortURL);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json','Authorization: Basic '. $auth));
    curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 20);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $info);


    return curl_exec($ch);

  } else {

    return 'Be sure to use only POST or GET as 3rd parameter';

  }

}


function cf7mce_use_wpmail($url,$info,$method,$adminEmail){
  $msg = "Attempted to send ".$info." to ".$url." but server doesnt support allow_url_fopen OR cURL";
  $wp_mail_resp = wp_mail( $adminEmail,'CF7 Mailchimp Extension Problem',$msg);
    if($wp_mail_resp){
      return 'allow_url_fopen & cURL not available, sent details to ' . $adminEmail;
    }else{
      return 'ERROR: Problem with allow_url_fopen/cURL/wp_mail';
    }
}





function spartan_mce_class_attr( $class ) {

  $class .= ' mailchimp-ext-' . SPARTAN_MCE_VERSION;
  return $class;

}
