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<?php /*~ class.pop3.php .---------------------------------------------------------------------------. | Software: PHPMailer - PHP email class | | Version: 5.2 | | Site: https://code.google.com/a/apache-extras.org/p/phpmailer/ | | ------------------------------------------------------------------------- | | Admin: Jim Jagielski (project admininistrator) | | Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net | | : Marcus Bointon (coolbru) coolbru@users.sourceforge.net | | : Jim Jagielski (jimjag) jimjag@gmail.com | | Founder: Brent R. Matzelle (original founder) | | Copyright (c) 2010-2011, Jim Jagielski. All Rights Reserved. | | Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved. | | Copyright (c) 2001-2003, Brent R. Matzelle | | ------------------------------------------------------------------------- | | License: Distributed under the Lesser General Public License (LGPL) | | http://www.gnu.org/copyleft/lesser.html | | This program is distributed in the hope that it will be useful - WITHOUT | | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | | FITNESS FOR A PARTICULAR PURPOSE. | '---------------------------------------------------------------------------' */ /** * PHPMailer - PHP POP Before SMTP Authentication Class * NOTE: Designed for use with PHP version 5 and up * @package PHPMailer * @author Andy Prevost * @author Marcus Bointon * @author Jim Jagielski * @copyright 2010 - 2011 Jim Jagielski * @copyright 2004 - 2009 Andy Prevost * @license http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL) * @version $Id: class.pop3.php 450 2010-06-23 16:46:33Z coolbru $ */ /** * POP Before SMTP Authentication Class * Version 5.2.0 * * Author: Richard Davey (rich@corephp.co.uk) * Modifications: Andy Prevost * License: LGPL, see PHPMailer License * * Specifically for PHPMailer to allow POP before SMTP authentication. * Does not yet work with APOP - if you have an APOP account, contact Richard Davey * and we can test changes to this script. * * This class is based on the structure of the SMTP class originally authored by Chris Ryan * * This class is rfc 1939 compliant and implements all the commands * required for POP3 connection, authentication and disconnection. * * @package PHPMailer * @author Richard Davey */ class POP3 { /** * Default POP3 port * @var int */ public $POP3_PORT = 110; /** * Default Timeout * @var int */ public $POP3_TIMEOUT = 30; /** * POP3 Carriage Return + Line Feed * @var string */ public $CRLF = "\r\n"; /** * Displaying Debug warnings? (0 = now, 1+ = yes) * @var int */ public $do_debug = 2; /** * POP3 Mail Server * @var string */ public $host; /** * POP3 Port * @var int */ public $port; /** * POP3 Timeout Value * @var int */ public $tval; /** * POP3 Username * @var string */ public $username; /** * POP3 Password * @var string */ public $password; /** * Sets the POP3 PHPMailer Version number * @var string */ public $Version = '5.2'; ///////////////////////////////////////////////// // PROPERTIES, PRIVATE AND PROTECTED ///////////////////////////////////////////////// private $pop_conn; private $connected; private $error; // Error log array /** * Constructor, sets the initial values * @access public * @return POP3 */ public function __construct() { $this->pop_conn = 0; $this->connected = false; $this->error = null; } /** * Combination of public events - connect, login, disconnect * @access public * @param string $host * @param integer $port * @param integer $tval * @param string $username * @param string $password */ public function Authorise ($host, $port = false, $tval = false, $username, $password, $debug_level = 0) { $this->host = $host; // If no port value is passed, retrieve it if ($port == false) { $this->port = $this->POP3_PORT; } else { $this->port = $port; } // If no port value is passed, retrieve it if ($tval == false) { $this->tval = $this->POP3_TIMEOUT; } else { $this->tval = $tval; } $this->do_debug = $debug_level; $this->username = $username; $this->password = $password; // Refresh the error log $this->error = null; // Connect $result = $this->Connect($this->host, $this->port, $this->tval); if ($result) { $login_result = $this->Login($this->username, $this->password); if ($login_result) { $this->Disconnect(); return true; } } // We need to disconnect regardless if the login succeeded $this->Disconnect(); return false; } /** * Connect to the POP3 server * @access public * @param string $host * @param integer $port * @param integer $tval * @return boolean */ public function Connect ($host, $port = false, $tval = 30) { // Are we already connected? if ($this->connected) { return true; } /* On Windows this will raise a PHP Warning error if the hostname doesn't exist. Rather than supress it with @fsockopen, let's capture it cleanly instead */ set_error_handler(array(&$this, 'catchWarning')); // Connect to the POP3 server $this->pop_conn = fsockopen($host, // POP3 Host $port, // Port # $errno, // Error Number $errstr, // Error Message $tval); // Timeout (seconds) // Restore the error handler restore_error_handler(); // Does the Error Log now contain anything? if ($this->error && $this->do_debug >= 1) { $this->displayErrors(); } // Did we connect? if ($this->pop_conn == false) { // It would appear not... $this->error = array( 'error' => "Failed to connect to server $host on port $port", 'errno' => $errno, 'errstr' => $errstr ); if ($this->do_debug >= 1) { $this->displayErrors(); } return false; } // Increase the stream time-out // Check for PHP 4.3.0 or later if (version_compare(phpversion(), '5.0.0', 'ge')) { stream_set_timeout($this->pop_conn, $tval, 0); } else { // Does not work on Windows if (substr(PHP_OS, 0, 3) !== 'WIN') { socket_set_timeout($this->pop_conn, $tval, 0); } } // Get the POP3 server response $pop3_response = $this->getResponse(); // Check for the +OK if ($this->checkResponse($pop3_response)) { // The connection is established and the POP3 server is talking $this->connected = true; return true; } } /** * Login to the POP3 server (does not support APOP yet) * @access public * @param string $username * @param string $password * @return boolean */ public function Login ($username = '', $password = '') { if ($this->connected == false) { $this->error = 'Not connected to POP3 server'; if ($this->do_debug >= 1) { $this->displayErrors(); } } if (empty($username)) { $username = $this->username; } if (empty($password)) { $password = $this->password; } $pop_username = "USER $username" . $this->CRLF; $pop_password = "PASS $password" . $this->CRLF; // Send the Username $this->sendString($pop_username); $pop3_response = $this->getResponse(); if ($this->checkResponse($pop3_response)) { // Send the Password $this->sendString($pop_password); $pop3_response = $this->getResponse(); if ($this->checkResponse($pop3_response)) { return true; } else { return false; } } else { return false; } } /** * Disconnect from the POP3 server * @access public */ public function Disconnect () { $this->sendString('QUIT'); fclose($this->pop_conn); } ///////////////////////////////////////////////// // Private Methods ///////////////////////////////////////////////// /** * Get the socket response back. * $size is the maximum number of bytes to retrieve * @access private * @param integer $size * @return string */ private function getResponse ($size = 128) { $pop3_response = fgets($this->pop_conn, $size); return $pop3_response; } /** * Send a string down the open socket connection to the POP3 server * @access private * @param string $string * @return integer */ private function sendString ($string) { $bytes_sent = fwrite($this->pop_conn, $string, strlen($string)); return $bytes_sent; } /** * Checks the POP3 server response for +OK or -ERR * @access private * @param string $string * @return boolean */ private function checkResponse ($string) { if (substr($string, 0, 3) !== '+OK') { $this->error = array( 'error' => "Server reported an error: $string", 'errno' => 0, 'errstr' => '' ); if ($this->do_debug >= 1) { $this->displayErrors(); } return false; } else { return true; } } /** * If debug is enabled, display the error message array * @access private */ private function displayErrors () { echo '<pre>'; foreach ($this->error as $single_error) { print_r($single_error); } echo '</pre>'; } /** * Takes over from PHP for the socket warning handler * @access private * @param integer $errno * @param string $errstr * @param string $errfile * @param integer $errline */ private function catchWarning ($errno, $errstr, $errfile, $errline) { $this->error[] = array( 'error' => "Connecting to the POP3 server raised a PHP warning: ", 'errno' => $errno, 'errstr' => $errstr ); } // End of class } ?>