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File Content: `class.pop3.php`

<?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
}
?>
Name	Size	Permission
docs	---	0777
examples	---	0777
extras	---	0777
language	---	0777
test	---	0777
test_script	---	0777
LICENSE	26925 bytes	0666
PHPMailerAutoload.php	1728 bytes	0666
README	8999 bytes	0666
aboutus.html	12960 bytes	0666
changelog.txt	17373 bytes	0666
class.phpmailer.php	82519 bytes	0666
class.pop3.php	10795 bytes	0666
class.smtp.php	25403 bytes	0666
docs.ini	3570 bytes	0666
File Content: class.pop3.php

File Content: `class.pop3.php`
