.-.-.-.-.-

<?php

acymailing_cmsLoaded();

/**
 * @copyright	Copyright (C) 2009-2018 ACYBA SAS - All rights reserved..
 * @license		GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 */
class acymailingElasticemail {
	/**
	 * Ressources : Connection to the elasticemail server
	 */
	var $conn;

/**
	 * String : Last error...
	 */
	var $error;
	var $Username = '';
	var $Password = '';

/* Upload Function which uploads the file selected and return a part of the response.
	 * The return value is the file's ID on ElasticEmail server.
	 */
	private function uploadAttachment($filepath, $filename) {
		if (!empty ($this->attachment[$filepath])) return $this->attachment[$filepath];

$data = file_get_contents($filepath);
		$header = "PUT /attachments/upload?username=".urlencode($this->Username)."&api_key=".urlencode($this->Password)."&file=".urlencode($filename)." HTTP/1.0\r\n";
		$header .= "Host: api.elasticemail.com\r\n";
		$header .= "Connection: Keep-alive\r\n";
		$header .= "Content-Length: ".strlen($data)."\r\n\r\n";
		$info = $header.$data;
		$result = $this->sendinfo($info);
		//We take the last value of the server's response which correspond of the file's ID.
		$explodedResult = explode("\r\n", $result);
		$res = end($explodedResult);
		//If the ID is correct and we have no Errors
		if(preg_match('#[^a-z0-9\-]#i',$res) || strpos($result,'200 OK') === false){
			$this->error = "Error while uploading file : ".$res;
			return false;
		}else{
			$this->attachment[$filepath] = $res;
			return $res;
		}
	}

/* Function which permit to send an email based on the object's values.
	 * First, we do the test if we have enough credit to send emails.
	 */
	function sendMail(& $object) {
		if(!$this->connect()) return false;

$data = "username=".urlencode($this->Username);
		$data .= "&api_key=".urlencode($this->Password);
		$data .= "&referral=".urlencode('2f0447bb-173a-459d-ab1a-ab8cbebb9aab');
		if(!empty($object->From)) $data .= "&from=".urlencode($object->From);
		if(!empty($object->FromName)) $data .= "&from_name=".urlencode($object->FromName);

$to = array_merge($object->to, $object->cc, $object->bcc);
		$data .="&to=";
		foreach($to as $oneRecipient){
			$data .= urlencode($object->addrFormat($oneRecipient).";");
		}
		$data = trim($data,';');

if(!empty($object->Subject)) $data .= "&subject=".urlencode($object->Subject);

if(!empty($object->ReplyTo)){
			$replyToTmp = reset($object->ReplyTo);
			$data .="&reply_to=".urlencode($replyToTmp[0]);
			if(!empty($replyToTmp[1])) $data .= "&reply_to_name=".urlencode($replyToTmp[1]);
		}

if(!empty($object->Sender)) $data .="&sender=".urlencode($object->Sender);

//Do we have special headers?
		if(!empty($object->CustomHeader)){
			$i = 1;
			foreach($object->CustomHeader as $oneHeader){
				$data .= "&header".$i."=".urlencode($oneHeader[0]).': '.urlencode($oneHeader[1]);
				$i++;
			}
		}

//We set only quoted printable as others may not work with DKIM
		if($object->Encoding == 'quoted-printable'){
			$data .= "&encodingtype=3";
		}

if(!empty($object->sendHTML) || !empty($object->AltBody)){
			$data .= "&body_html=".urlencode($object->Body);
			if(!empty($object->AltBody)) $data .= "&body_text=".urlencode($object->AltBody);
		}else{
			$data .= "&body_text=".urlencode($object->Body);
		}

if($object->attachment) {
			$ArrayID = array ();
			foreach ($object->attachment as $oneAttachment) {
				$oneID = $this->uploadAttachment($oneAttachment[0], $oneAttachment[2]);
				if (!$oneID)
					return false;
				$ArrayID[]=$oneID;
			}
			$data .= "&attachments=".urlencode(implode(";", $ArrayID));
		}

if(!empty($object->mailid)) $data .= "&channel=".urlencode($object->mailid);
		if(!empty($object->type) && strpos($object->type, 'notification') !== false) $data .= '&isTransactional=1';

$header = "POST /mailer/send HTTP/1.0\r\n";
		$header .= "Host: api.elasticemail.com\r\n";
		$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
		$header .= "Connection: Keep-Alive\r\n";
		$header .= "Content-Length: ".strlen($data)."\r\n\r\n";
		$info = $header.$data;
		$result = $this->sendinfo($info);

//We take the last value of the server's response which correspond of the file's ID.
		$explodedVar = explode("\r\n", $result);
		$res = end($explodedVar);

//If the ID is correct and we have no Errors
		if(strpos($result,'200 OK') === false || preg_match('#[^a-z0-9\-]#i',$res)){
			$this->error = $res;
			return false;
		} else {
			return true;
		}
	}

function getCredits($object) {
		$header = "GET /mailer/account-details?username=".urlencode($this->Username)."&api_key=".urlencode($this->Password)." HTTP/1.0\r\n";
		$header .= "Host: api.elasticemail.com\r\n";
		$header .= "Connection: Close\r\n\r\n";
		$result = $this->sendinfo($header);
		if(!$result) return false;

if(preg_match('#<credit>(.*)</credit>#Ui', $result, $explodedResults)) {
			return $explodedResults[1];
		}else{
			$this->error = $result;
			return false;
		}
	}

private function connect() {
		if(is_resource($this->conn)) return true;

$this->conn = fsockopen('ssl://api.elasticemail.com', 443, $errno, $errstr, 20);
		if(!$this->conn){
			$this->error = "Could not open connection ".$errstr;
			return false;
		}
		return true;
	}

private function sendinfo(&$info){
		//Check if the connection is Ok... and if not we return false.
		if(!$this->connect()) return false;

$res = '';
		$length = 0;
		ob_start();
		$result = fwrite($this->conn, $info);
		$errorContent = ob_get_clean();
		if($result === false) return $errorContent;

while(!feof($this->conn)){
			$res .= fread($this->conn, 1024);
			if(substr($res, 0, 4) == "HTTP") {
				$length = 0;
			}
			if($length == 0) {
				$pos = strpos(strtolower($res), 'content-length:');
				if ($pos !== false) {
					$lng = substr($res, $pos +16, 6);
					if (strpos($lng, "\r") !== false) {
						$length = (int) $lng;
						$length += $pos;
					}
				}
			}
			if($length > 0 && strlen($res) >= $length) break;
		}
		return $res;
	}

function __destruct() {
		if (is_resource($this->conn)) fclose($this->conn);
	}
}

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