<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Mail\Storage;
use Zend\Mail\Exception as MailException;
use Zend\Mail\Protocol;
use Zend\Mime;
class Pop3 extends AbstractStorage
{
/**
* protocol handler
* @var null|\Zend\Mail\Protocol\Pop3
*/
protected $protocol;
/**
* Count messages all messages in current box
*
* @return int number of messages
* @throws \Zend\Mail\Storage\Exception\ExceptionInterface
* @throws \Zend\Mail\Protocol\Exception\ExceptionInterface
*/
public function countMessages()
{
$count = 0; // "Declare" variable before first usage.
$octets = 0; // "Declare" variable since it's passed by reference
$this->protocol->status($count, $octets);
return (int) $count;
}
/**
* get a list of messages with number and size
*
* @param int $id number of message
* @return int|array size of given message of list with all messages as array(num => size)
* @throws \Zend\Mail\Protocol\Exception\ExceptionInterface
*/
public function getSize($id = 0)
{
$id = $id ? $id : null;
return $this->protocol->getList($id);
}
/**
* Fetch a message
*
* @param int $id number of message
* @return \Zend\Mail\Storage\Message
* @throws \Zend\Mail\Protocol\Exception\ExceptionInterface
*/
public function getMessage($id)
{
$bodyLines = 0;
$message = $this->protocol->top($id, $bodyLines, true);
return new $this->messageClass(array('handler' => $this, 'id' => $id, 'headers' => $message,
'noToplines' => $bodyLines < 1));
}
/*
* Get raw header of message or part
*
* @param int $id number of message
* @param null|array|string $part path to part or null for message header
* @param int $topLines include this many lines with header (after an empty line)
* @return string raw header
* @throws \Zend\Mail\Protocol\Exception\ExceptionInterface
* @throws \Zend\Mail\Storage\Exception\ExceptionInterface
*/
public function getRawHeader($id, $part = null, $topLines = 0)
{
if ($part !== null) {
// TODO: implement
throw new Exception\RuntimeException('not implemented');
}
return $this->protocol->top($id, 0, true);
}
/*
* Get raw content of message or part
*
* @param int $id number of message
* @param null|array|string $part path to part or null for message content
* @return string raw content
* @throws \Zend\Mail\Protocol\Exception\ExceptionInterface
* @throws \Zend\Mail\Storage\Exception\ExceptionInterface
*/
public function getRawContent($id, $part = null)
{
if ($part !== null) {
// TODO: implement
throw new Exception\RuntimeException('not implemented');
}
$content = $this->protocol->retrieve($id);
// TODO: find a way to avoid decoding the headers
$headers = null; // "Declare" variable since it's passed by reference
$body = null; // "Declare" variable before first usage.
Mime\Decode::splitMessage($content, $headers, $body);
return $body;
}
/**
* create instance with parameters
* Supported parameters are
* - host hostname or ip address of POP3 server
* - user username
* - password password for user 'username' [optional, default = '']
* - port port for POP3 server [optional, default = 110]
* - ssl 'SSL' or 'TLS' for secure sockets
*
* @param $params array mail reader specific parameters
* @throws \Zend\Mail\Storage\Exception\InvalidArgumentException
* @throws \Zend\Mail\Protocol\Exception\RuntimeException
*/
public function __construct($params)
{
if (is_array($params)) {
$params = (object) $params;
}
$this->has['fetchPart'] = false;
$this->has['top'] = null;
$this->has['uniqueid'] = null;
if ($params instanceof Protocol\Pop3) {
$this->protocol = $params;
return;
}
if (!isset($params->user)) {
throw new Exception\InvalidArgumentException('need at least user in params');
}
$host = isset($params->host) ? $params->host : 'localhost';
$password = isset($params->password) ? $params->password : '';
$port = isset($params->port) ? $params->port : null;
$ssl = isset($params->ssl) ? $params->ssl : false;
$this->protocol = new Protocol\Pop3();
$this->protocol->connect($host, $port, $ssl);
$this->protocol->login($params->user, $password);
}
/**
* Close resource for mail lib. If you need to control, when the resource
* is closed. Otherwise the destructor would call this.
*/
public function close()
{
$this->protocol->logout();
}
/**
* Keep the server busy.
*
* @throws \Zend\Mail\Protocol\Exception\RuntimeException
*/
public function noop()
{
$this->protocol->noop();
}
/**
* Remove a message from server. If you're doing that from a web environment
* you should be careful and use a uniqueid as parameter if possible to
* identify the message.
*
* @param int $id number of message
* @throws \Zend\Mail\Protocol\Exception\RuntimeException
*/
public function removeMessage($id)
{
$this->protocol->delete($id);
}
/**
* get unique id for one or all messages
*
* if storage does not support unique ids it's the same as the message number
*
* @param int|null $id message number
* @return array|string message number for given message or all messages as array
* @throws \Zend\Mail\Storage\Exception\ExceptionInterface
*/
public function getUniqueId($id = null)
{
if (!$this->hasUniqueid) {
if ($id) {
return $id;
}
$count = $this->countMessages();
if ($count < 1) {
return array();
}
$range = range(1, $count);
return array_combine($range, $range);
}
return $this->protocol->uniqueid($id);
}
/**
* get a message number from a unique id
*
* I.e. if you have a webmailer that supports deleting messages you should use unique ids
* as parameter and use this method to translate it to message number right before calling removeMessage()
*
* @param string $id unique id
* @throws Exception\InvalidArgumentException
* @return int message number
*/
public function getNumberByUniqueId($id)
{
if (!$this->hasUniqueid) {
return $id;
}
$ids = $this->getUniqueId();
foreach ($ids as $k => $v) {
if ($v == $id) {
return $k;
}
}
throw new Exception\InvalidArgumentException('unique id not found');
}
/**
* Special handling for hasTop and hasUniqueid. The headers of the first message is
* retrieved if Top wasn't needed/tried yet.
*
* @see AbstractStorage::__get()
* @param string $var
* @return string
*/
public function __get($var)
{
$result = parent::__get($var);
if ($result !== null) {
return $result;
}
if (strtolower($var) == 'hastop') {
if ($this->protocol->hasTop === null) {
// need to make a real call, because not all server are honest in their capas
try {
$this->protocol->top(1, 0, false);
} catch (MailException\ExceptionInterface $e) {
// ignoring error
}
}
$this->has['top'] = $this->protocol->hasTop;
return $this->protocol->hasTop;
}
if (strtolower($var) == 'hasuniqueid') {
$id = null;
try {
$id = $this->protocol->uniqueid(1);
} catch (MailException\ExceptionInterface $e) {
// ignoring error
}
$this->has['uniqueid'] = $id ? true : false;
return $this->has['uniqueid'];
}
return $result;
}
}