IMAP.php

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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */
 
require_once "Auth/Container.php";
 
require_once "PEAR.php";
 
class Auth_Container_IMAP extends Auth_Container
{
 
    // {{{ properties
 
    var $options = array();
 
    // }}}
    // {{{ Auth_Container_IMAP() [constructor]
 
    function Auth_Container_IMAP($params)
    {
        if (!extension_loaded('imap')) {
            return PEAR::raiseError('Cannot use IMAP authentication, '
                    .'IMAP extension not loaded!', 41, PEAR_ERROR_DIE);
        }
        $this->_setDefaults();
 
        // set parameters (if any)
        if (is_array($params)) {
            $this->_parseOptions($params);
        }
 
        if ($this->options['checkServer']) {
            $this->_checkServer($this->options['timeout']);
        }
        return true;
    }
 
    // }}}
    // {{{ _setDefaults()
 
    function _setDefaults()
    {
        $this->options['host'] = 'localhost';
        $this->options['port'] = 143;
        $this->options['baseDSN'] = '';
        $this->options['checkServer'] = true;
        $this->options['timeout'] = 20;
    }
 
    // }}}
    // {{{ _checkServer()
 
    function _checkServer() {
        $this->log('Auth_Container_IMAP::_checkServer() called.', AUTH_LOG_DEBUG);
        $fp = @fsockopen ($this->options['host'], $this->options['port'],
                          $errno, $errstr, $this->options['timeout']);
        if (is_resource($fp)) {
            @fclose($fp);
        } else {
            $message = "Error connecting to IMAP server "
                . $this->options['host']
                . ":" . $this->options['port'];
            return PEAR::raiseError($message, 41);
        }
    }
 
    // }}}
    // {{{ _parseOptions()
 
    function _parseOptions($array)
    {
        foreach ($array as $key => $value) {
            $this->options[$key] = $value;
        }
    }
 
    // }}}
    // {{{ fetchData()
 
    function fetchData($username, $password)
    {
        $this->log('Auth_Container_IMAP::fetchData() called.', AUTH_LOG_DEBUG);
        $dsn = '{'.$this->options['host'].':'.$this->options['port'].$this->options['baseDSN'].'}';
        $conn = @imap_open ($dsn, $username, $password, OP_HALFOPEN);
        if (is_resource($conn)) {
            $this->log('Successfully connected to IMAP server.', AUTH_LOG_DEBUG);
            $this->activeUser = $username;
            @imap_close($conn);
            return true;
        } else {
            $this->log('Connection to IMAP server failed.', AUTH_LOG_DEBUG);
            $this->activeUser = '';
            return false;
        }
    }
 
    // }}}
 
}
?>