egroupware_official/emailadmin/inc/class.emailadmin_smtp_ldap.inc.php

565 lines
19 KiB
PHP

<?php
/**
* EGroupware EMailAdmin: generic base class for SMTP configuration via LDAP
*
* @link http://www.stylite.de
* @package emailadmin
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @copyright (c) 2010-12 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
/**
* Generic base class for SMTP configuration via LDAP
*
* This class uses just inetOrgPerson schema to store primary mail address and aliases
*
* Aliases are stored as aditional mail Attributes. The primary mail address is the first one.
* This schema does NOT support forwarding or disabling of an account for mail.
*
* Please do NOT copy this class! Extend it and set the constants different
* (incl. protected config var as long as we can not require PHP5.3 for LSB).
*/
class emailadmin_smtp_ldap extends emailadmin_smtp
{
/**
* Name of schema, has to be in the right case!
*/
const SCHEMA = 'inetOrgPerson';
/**
* Attribute to enable mail for an account, OR false if existence of ALIAS_ATTR is enough for mail delivery
*/
const MAIL_ENABLE_ATTR = false;
/**
* Attribute for aliases OR false to use mail
*/
const ALIAS_ATTR = false;
/**
* Primary mail address required as an alias too: true or false
*/
const REQUIRE_MAIL_AS_ALIAS=false;
/**
* Attribute for forwards OR false if not possible
*/
const FORWARD_ATTR = false;
/**
* Attribute to only forward mail, OR false if not available
*/
const FORWARD_ONLY_ATTR = false;
/**
* Attribute for mailbox, to which mail gets delivered OR false if not supported
*/
const MAILBOX_ATTR = false;
/**
* Attribute for quota limit of user in MB
*/
const QUOTA_ATTR = false;
/**
* Log all LDAP writes / actions to error_log
*/
var $debug = false;
/**
* LDAP schema configuration
*
* Parent can NOT use constants direct as we have no late static binding in currenlty required PHP 5.2
*
* @var array
*/
protected $config = array(
'schema' => self::SCHEMA,
'mail_enable_attr' => self::MAIL_ENABLE_ATTR,
'mail_enabled' => self::MAIL_ENABLED,
'alias_attr' => self::ALIAS_ATTR,
'require_mail_as_alias' => self::REQUIRE_MAIL_AS_ALIAS,
'forward_attr' => self::FORWARD_ATTR,
'forward_only_attr' => self::FORWARD_ONLY_ATTR,
'forward_only' => self::FORWARD_ONLY,
'mailbox_attr' => self::MAILBOX_ATTR,
'quota_attr' => self::QUOTA_ATTR,
'search_filter' => null,
'search_base' => null,
);
/**
* from here on implementation, please do NOT copy but extend it!
*/
/**
* Set ldap search filter for aliases and forwards
*
* @param string $filter
*/
function setFilter($filter)
{
$this->config['search_filter'] = $filter;
}
/**
* Set ldap search base for aliases and forwards
*
* @param string $base
*/
function setBase($base)
{
$this->config['search_base'] = $base;
}
/**
* Hook called on account creation
*
* @param array $_hookValues values for keys 'account_email', 'account_firstname', 'account_lastname', 'account_lid'
* @return boolean true on success, false on error writing to ldap
*/
function addAccount($_hookValues)
{
$mailLocalAddress = $_hookValues['account_email'] ? $_hookValues['account_email'] :
common::email_address($_hookValues['account_firstname'],
$_hookValues['account_lastname'],$_hookValues['account_lid'],$this->defaultDomain);
$ds = $GLOBALS['egw']->ldap->ldapConnect();
$filter = "uid=".$_hookValues['account_lid'];
if (!($sri = @ldap_search($ds,$GLOBALS['egw_info']['server']['ldap_context'],$filter)))
{
return false;
}
$allValues = ldap_get_entries($ds, $sri);
$accountDN = $allValues[0]['dn'];
$objectClasses = $allValues[0]['objectclass'];
unset($objectClasses['count']);
// add our mail schema, if not already set
if(!in_array($this->config['schema'],$objectClasses) && !in_array(strtolower($this->config['schema']),$objectClasses))
{
$objectClasses[] = $this->config['schema'];
}
// the new code for postfix+cyrus+ldap
$newData = array(
'mail' => $mailLocalAddress,
'objectclass' => $objectClasses
);
// does schema have explicit alias attribute AND require mail added as alias too
if ($this->config['alias_attr'] && $this->config['require_mail_as_alias'] && $this->config['alias_attr'])
{
$newData[$this->config['alias_attr']] = $mailLocalAddress;
}
// does schema support enabling/disabling mail via attribute
if ($this->config['mail_enable_attr'])
{
$newData[$this->config['mail_enable_attr']] = $this->config['mail_enabled'];
}
// does schema support an explicit mailbox name --> set it
if ($this->config['mailbox_attr'])
{
$newData[$this->config['mailbox_attr']] = self::mailbox_addr($_hookValues);
}
if (!($ret = ldap_mod_replace($ds, $accountDN, $newData)) || $this->debug)
{
error_log(__METHOD__.'('.array2string(func_get_args()).") --> ldap_mod_replace(,'$accountDN',".
array2string($newData).') returning '.array2string($ret).
(!$ret?' ('.ldap_error($ds).')':''));
}
return $ret;
}
/**
* Get all email addresses of an account
*
* @param string $_accountName
* @return array
*/
function getAccountEmailAddress($_accountName)
{
$emailAddresses = array();
$ds = $GLOBALS['egw']->ldap->ldapConnect();
$filter = sprintf("(&(uid=%s)(objectclass=posixAccount))",$_accountName);
$attributes = array('dn','mail',$this->config['alias_attr']);
$sri = @ldap_search($ds, $GLOBALS['egw_info']['server']['ldap_context'], $filter, $attributes);
if ($sri)
{
$realName = trim($GLOBALS['egw_info']['user']['account_firstname'] . (!empty($GLOBALS['egw_info']['user']['account_firstname']) ? ' ' : '') . $GLOBALS['egw_info']['user']['account_lastname']);
$allValues = ldap_get_entries($ds, $sri);
if(isset($allValues[0]['mail']))
{
foreach($allValues[0]['mail'] as $key => $value)
{
if ($key === 'count') continue;
$emailAddresses[] = array (
'name' => $realName,
'address' => $value,
'type' => !$key ? 'default' : 'alternate',
);
}
}
if ($this->config['alias_attr'] && isset($allValues[0][$this->config['alias_attr']]))
{
foreach($allValues[0][$this->config['alias_attr']] as $key => $value)
{
if ($key === 'count') continue;
$emailAddresses[] = array(
'name' => $realName,
'address' => $value,
'type' => 'alternate'
);
}
}
}
if ($this->debug) error_log(__METHOD__."('$_acountName') returning ".array2string($emailAddresses));
return $emailAddresses;
}
/**
* Get the data of a given user
*
* Multiple accounts may match, if an email address is specified.
* In that case only mail routing fields "uid", "mailbox" and "forward" contain values
* from all accounts!
*
* @param int|string $user numerical account-id, account-name or email address
* @param boolean $match_uid_at_domain=true true: uid@domain matches, false only an email or alias address matches
* @return array with values for keys 'mailLocalAddress', 'mailAlternateAddress' (array), 'mailForwardingAddress' (array),
* 'accountStatus' ("active"), 'quotaLimit' and 'deliveryMode' ("forwardOnly")
*/
function getUserData($user, $match_uid_at_domain=false)
{
$userData = array();
$ldap = $GLOBALS['egw']->ldap->ldapConnect();
if (is_numeric($user))
{
$filter = '(uidnumber='.(int)$user.')';
}
elseif (strpos($user, '@') === false)
{
$filter = '(uid='.ldap::quote($user).')';
}
else // email address --> build filter by attributes defined in config
{
list($namepart, $domain) = explode('@', $user);
if (!empty($this->config['search_filter']))
{
$filter = strtr($this->config['search_filter'], array(
'%s' => ldap::quote($user),
'%u' => ldap::quote($namepart),
'%d' => ldap::quote($domain),
));
}
else
{
$filter = array('(mail='.ldap::quote($user).')');
if ($match_uid_at_domain) $filter[] = '(uid='.ldap::quote($namepart).')';
if ($this->config['alias_attr'])
{
$filter[] = '('.$this->config['alias_attr'].'='.ldap::quote($user).')';
}
$filter = count($filter) > 1 ? '(|'.explode('', $filter).')' : $filter[0];
// if an enable attribute is set, only return enabled accounts
if ($this->config['mail_enable_attr'])
{
$filter = '(&('.$this->config['mail_enable_attr'].'='.
($this->config['mail_enabled'] ? $this->config['mail_enabled'] : '*').")$filter)";
}
}
}
$base = empty($this->config['search_base']) ?
$GLOBALS['egw_info']['server']['ldap_context'] : $this->config['search_base'];
$sri = ldap_search($ldap, $base, $filter, array($this->config['schema']));
if ($sri)
{
$allValues = ldap_get_entries($ldap, $sri);
if ($this->debug) error_log(__METHOD__."('$user') --> ldap_search(, '$base', '$filter') --> ldap_get_entries=".array2string($allValues[0]));
foreach($allValues as $key => $values)
{
if ($key === 'count') continue;
// groups are always active (if they have an email) and allways forwardOnly
if (in_array('posixGroup', $values['objectclass']))
{
$accountStatus = emailadmin_smtp::MAIL_ENABLED;
$deliveryMode = emailadmin_smtp::FORWARD_ONLY;
}
else // for users we have to check the attributes
{
if ($this->config['mail_enable_attr'])
{
$accountStatus = isset($values[$this->config['mail_enable_attr']]) &&
($this->config['mail_enabled'] && !strcasecmp($values[$this->config['mail_enable_attr']][0], $this->config['mail_enabled']) ||
!$this->config['mail_enabled'] && $values[$this->config['alias_attr']]['count'] > 0) ? emailadmin_smtp::MAIL_ENABLED : '';
}
else
{
$accountStatus = $values[$this->config['alias_attr']]['count'] > 0 ? emailadmin_smtp::MAIL_ENABLED : '';
}
if ($this->config['forward_only_attr'])
{
$deliveryMode = isset($values[$this->config['forward_only_attr']]) &&
($this->config['forward_only'] && !strcasecmp($values[$this->config['forward_only_attr']][0], $this->config['forward_only']) ||
!$this->config['forward_only'] && $values[$this->config['forward_only_attr']]['count'] > 0) ? emailadmin_smtp::FORWARD_ONLY : '';
}
else
{
$deliveryMode = '';
}
}
// collect mail routing data (can be from multiple (active) accounts and groups!)
if ($accountStatus)
{
// groups never have a mailbox, accounts can have a deliveryMode of "forwardOnly"
if ($deliveryMode != emailadmin_smtp::FORWARD_ONLY)
{
$userData['uid'][] = $values['uid'][0];
if ($this->config['mailbox_attr'] && isset($values[$this->config['mailbox_attr']]))
{
$userData['mailbox'][] = $values[$this->config['mailbox_attr']][0];
}
}
if ($this->config['forward_attr'] && $values[$this->config['forward_attr']])
{
$userData['forward'] = array_merge((array)$userData['forward'], $values[$this->config['forward_attr']]);
unset($userData['forward']['count']);
}
}
// regular user-data can only be from users, NOT groups
if (in_array('posixGroup', $values['objectclass'])) continue;
$userData['mailLocalAddress'] = $values['mail'][0];
$userData['accountStatus'] = $accountStatus;
if ($this->config['alias_attr'])
{
$userData['mailAlternateAddress'] = (array)$values[$this->config['alias_attr']];
unset($userData['mailAlternateAddress']['count']);
}
else
{
$userData['mailAlternateAddress'] = (array)$values['mail'];
unset($userData['mailAlternateAddress']['count']);
unset($userData['mailAlternateAddress'][0]);
$userData['mailAlternateAddress'] = array_values($userData['mailAlternateAddress']);
}
$userData['mailForwardingAddress'] = $this->config['forward_attr'] ? $values[$this->config['forward_attr']] : array();
unset($userData['mailForwardingAddress']['count']);
if ($this->config['mailbox_attr']) $userData['mailMessageStore'] = $values[$this->config['mailbox_attr']][0];
if ($this->config['forward_only_attr'])
{
$userData['deliveryMode'] = isset($values[$this->config['forward_only_attr']]) &&
($this->config['forward_only'] && !strcasecmp($values[$this->config['forward_only_attr']][0], $this->config['forward_only']) ||
!$this->config['forward_only'] && $values[$this->config['forward_only_attr']]['count'] > 0) ? emailadmin_smtp::FORWARD_ONLY : '';
}
else
{
$userData['deliveryMode'] = '';
}
// eg. suse stores all email addresses as aliases
if ($this->config['require_mail_as_alias'] &&
($k = array_search($userData['mailLocalAddress'],$userData['mailAlternateAddress'])) !== false)
{
unset($userData['mailAlternateAddress'][$k]);
}
if ($this->config['quota_attr'] && isset($values[$this->config['quota_attr']]))
{
$userData['quotaLimit'] = $values[$this->config['quota_attr']][0] / 1048576;
}
}
}
if ($this->debug) error_log(__METHOD__."('$user') returning ".array2string($userData));
return $userData;
}
/**
* Set the data of a given user
*
* @param int $_uidnumber numerical user-id
* @param array $_mailAlternateAddress
* @param array $_mailForwardingAddress
* @param string $_deliveryMode
* @param string $_accountStatus
* @param string $_mailLocalAddress
* @param int $_quota in MB
* @param boolean $_forwarding_only=false not used as we have our own addAccount method
* @param string $_setMailbox=null used only for account migration
* @return boolean true on success, false on error writing to ldap
*/
function setUserData($_uidnumber, array $_mailAlternateAddress, array $_mailForwardingAddress, $_deliveryMode,
$_accountStatus, $_mailLocalAddress, $_quota, $_forwarding_only=false, $_setMailbox=null)
{
$filter = 'uidnumber='.(int)$_uidnumber;
$ldap = $GLOBALS['egw']->ldap->ldapConnect();
if (!($sri = @ldap_search($ldap,$GLOBALS['egw_info']['server']['ldap_context'],$filter)))
{
return false;
}
$allValues = ldap_get_entries($ldap, $sri);
$accountDN = $allValues[0]['dn'];
$uid = $allValues[0]['uid'][0];
$objectClasses = $allValues[0]['objectclass'];
unset($objectClasses['count']);
if(!in_array($this->config['schema'],$objectClasses) && !in_array(strtolower($this->config['schema']),$objectClasses))
{
$objectClasses[] = $this->config['schema'];
$newData['objectclass'] = $objectClasses;
}
sort($_mailAlternateAddress);
sort($_mailForwardingAddress);
$newData['mail'] = $_mailLocalAddress;
// does schema have explicit alias attribute
if ($this->config['alias_attr'])
{
$newData[$this->config['alias_attr']] = (array)$_mailAlternateAddress;
// all email must be stored as alias for suse
if ($this->config['require_mail_as_alias'] && !in_array($_mailLocalAddress,(array)$_mailAlternateAddress))
{
$newData[$this->config['alias_attr']][] = $_mailLocalAddress;
}
}
// or de we add them - if existing - to mail attr
elseif ($_mailAlternateAddress)
{
$newData['mail'] = array_merge((array)$newData['mail'],(array)$_mailAlternateAddress);
}
// does schema support to store forwards
if ($this->config['forward_attr'])
{
$newData[$this->config['forward_attr']] = (array)$_mailForwardingAddress;
}
// does schema support only forwarding incomming mail
if ($this->config['forward_only_attr'])
{
$newData[$this->config['forward_only_attr']] = $_deliveryMode ? $this->config['forward_only'] : array();
}
// does schema support enabling/disabling mail via attribute
if ($this->config['mail_enable_attr'])
{
$newData[$this->config['mail_enable_attr']] = $_accountStatus ? $this->config['mail_enabled'] : array();
}
// does schema support an explicit mailbox name --> set it with $uid@$domain
if ($this->config['mailbox_attr'] && empty($allValues[0][$this->config['mailbox_attr']][0]))
{
$newData[$this->config['mailbox_attr']] = $this->mailbox_addr(array(
'account_id' => $_uidnumber,
'account_lid' => $uid,
'account_email' => $_mailLocalAddress,
));
}
if ($this->config['quota_attr'])
{
$newData[$this->config['quota_attr']] = (int)$_quota >= 0 ? (int)$_quota*1048576 : array();
}
// does schema support an explicit mailbox name --> set it, $_setMailbox is given
if ($this->config['mailbox_attr'] && $_setMailbox)
{
$newData[$this->config['mailbox_attr']] = $_setMailbox;
}
if ($this->debug) error_log(__METHOD__.'('.array2string(func_get_args()).") --> ldap_mod_replace(,'$accountDN',".array2string($newData).')');
return ldap_mod_replace($ldap, $accountDN, $newData);
}
/**
* Saves the forwarding information
*
* @param int $_accountID
* @param string $_forwardingAddress
* @param string $_keepLocalCopy 'yes'
* @return boolean true on success, false on error writing to ldap
*/
function saveSMTPForwarding($_accountID, $_forwardingAddress, $_keepLocalCopy)
{
$ds = $GLOBALS['egw']->ldap->ldapConnect();
$filter = sprintf('(&(uidnumber=%d)(objectclass=posixAccount))',$_accountID);
$attributes = array('dn',$this->config['forward_attr'],'objectclass');
if ($this->config['forward_only_attr'])
{
$attributes[] = $this->config['forward_only_attr'];
}
$sri = ldap_search($ds, $GLOBALS['egw_info']['server']['ldap_context'], $filter, $attributes);
if ($sri)
{
$newData = array();
$allValues = ldap_get_entries($ds, $sri);
$objectClasses = $allValues[0]['objectclass'];
$newData['objectclass'] = $allValues[0]['objectclass'];
unset($newData['objectclass']['count']);
if(!in_array($this->config['schema'],$objectClasses))
{
$newData['objectclass'][] = $this->config['schema'];
}
if ($this->config['forward_attr'])
{
if(!empty($_forwardingAddress))
{
if(is_array($allValues[0][$this->config['forward_attr']]))
{
$newData[$this->config['forward_attr']] = $allValues[0][$this->config['forward_attr']];
unset($newData[$this->config['forward_attr']]['count']);
if (!is_array($_forwardingAddress))
{
// replace the first forwarding address (old behavior)
$newData[$this->config['forward_attr']][0] = $_forwardingAddress;
}
else
{
// replace all forwarding Addresses
$newData[$this->config['forward_attr']] = $_forwardingAddress;
}
}
else
{
$newData[$this->config['forward_attr']] = (array)$_forwardingAddress;
}
if ($this->config['forward_only_attr'])
{
$newData['deliverymode'] = $_keepLocalCopy == 'yes' ? array() : $this->config['forward_only'];
}
}
else
{
$newData[$this->config['forward_attr']] = array();
}
}
if ($this->debug) error_log(__METHOD__.'('.array2string(func_get_args()).") --> ldap_mod_replace(,'$accountDN',".array2string($newData).')');
return ldap_modify ($ds, $allValues[0]['dn'], $newData);
}
}
}