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Auth.php
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Auth.php
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<?php
class Auth {
static private $instance = array();
private $_auth = array();
private $conf;
private $domains = array();
/**
* Return an instance of Auth, associated with $domain.
*
* If $domain is not specified, the 'kolab' 'primary_domain' is used.
*/
static function get_instance($domain = NULL)
{
$conf = Conf::get_instance();
if ($domain === NULL) {
$domain = $conf->get('primary_domain');
}
if (!isset(self::$instance[$domain])) {
self::$instance[$domain] = new Auth($domain);
}
return self::$instance[$domain];
}
public function __construct($domain = NULL)
{
if (!$this->conf) {
$this->conf = Conf::get_instance();
}
if ($domain === NULL) {
$domain = $this->conf->get('primary_domain');
}
$this->domain = $domain;
$this->connect($domain);
}
/**
* Authenticate $username with $password.
*
* The following forms for a username exist:
*
* - "cn=Directory Manager"
*
* This is considered a DN, as it succeeds to parse as such. The
* very name of this user may have already caused you to suspect
* that the user is not associated with one domain per-se. It is
* our intention this user does therefor not have a
* $_SESSION['user']->domain, but instead a
* $_SESSION['user']->working_domain. In any case, obtain the
* current domain for any user through
* $_SESSION['user']->get_domain().
*
* NOTE/TODO: For now, even cn=Directory Manager is set to the
* default domain. I wish there was more time...
*
* - "user@domain.tld"
*
* While it may seem obvious, this user is to be authenticated
* against the 'domain.tld' realm.
*
* - "user"
*
* This user is to be authenticated against the 'kolab'
* 'primary_domain'.
*/
public function authenticate($username, $password)
{
// TODO: Log authentication request.
// error_log("Authentication request for $username");
if (strpos($username, '@')) {
// Case-sensitivity does not matter for strstr() on '@', which
// has no case.
$user_domain = strstr($username, '@');
if (isset($this->_auth[$user_domain])) {
// We know this domain
$domain = $user_domain;
}
else {
// Attempt to find the primary domain name space for the
// domain used in the authentication request.
//
// This will enable john@example.org to login using 'alias'
// domains as well, such as 'john@example.ch'.
$associated_domain = $this->primary_for_valid_domain($user_domain);
if ($associated_domain) {
$domain = $user_domain;
}
else {
// It seems we do not know about this domain.
$domain = FALSE;
}
}
}
else {
$domain = $this->conf->get('primary_domain');
}
// TODO: Debug logging for the use of a current or the creation of
// a new authentication class instance.
if ($this->domain == $domain) {
$result = $this->_auth[$domain]->authenticate($username, $password);
}
else {
$result = Auth::get_instance($domain)->authenticate($username, $password);
}
return $result;
}
public function connect($domain = NULL)
{
if ($domain === NULL) {
$domain = $this->conf->get('primary_domain');
}
$auth_method = strtoupper($this->conf->get($domain, 'auth_mechanism'));
if (!$auth_method) {
// Use the default authentication technology
$auth_method = strtoupper($this->conf->get('kolab', 'auth_mechanism'));
}
if (!$auth_method) {
// Use LDAP by default
$auth_method = 'LDAP';
}
if (!isset($this->_auth[$domain])) {
require_once 'Auth/' . $auth_method . '.php';
$this->_auth[$domain] = new $auth_method($domain);
}
}
public function find_user_groups($member_dn)
{
return $this->_auth[$_SESSION['user']->get_domain()]->find_user_groups($member_dn);
}
public function group_info($groupdata)
{
return $this->normalize_result($this->_auth[$_SESSION['user']->get_domain()]->group_info($groupdata));
}
public function group_members_list($groupdata)
{
return $this->_auth[$_SESSION['user']->get_domain()]->group_members_list($groupdata);
}
public function list_domains()
{
// TODO: Consider a normal user does not have privileges on
// the base_dn where domain names and configuration is stored.
$this->connect();
return $this->_auth[$this->domain]->list_domains();
}
public function list_users($domain = NULL, $attributes = array(), $search = array(), $params = array())
{
$this->connect($domain);
if ($domain === NULL) {
$domain = $this->conf->get('primary_domain');
}
$users = $this->_auth[$domain]->list_users($attributes, $search, $params);
return $users;
}
public function list_groups($domain = NULL, $attributes = array())
{
$this->connect($domain);
if ($domain === NULL) {
$domain = $this->conf->get('primary_domain');
}
$groups = $this->_auth[$domain]->list_groups($attributes);
return $groups;
}
public function normalize_result($results)
{
return LDAP::normalize_result($results);
}
public function primary_for_valid_domain($domain)
{
$this->domains = $this->list_domains();
if (array_key_exists($domain, $this->domains)) {
return $domain;
}
else if (in_array($domain, $this->domains)) {
// We know it's not a key!
foreach ($this->domains as $parent_domain => $child_domains) {
if (in_array($domain, $child_domains)) {
return $parent_domain;
}
}
return FALSE;
}
else {
return FALSE;
}
}
public function search($attributes)
{
return $this->_auth[$_SESSION['user']->get_domain()]->search();
}
public function user_add($attributes, $type=NULL)
{
return $this->_auth[$_SESSION['user']->get_domain()]->user_add($attributes, $type);
}
public function user_delete($userdata)
{
return $this->_auth[$_SESSION['user']->get_domain()]->user_delete($userdata);
}
public function user_find_by_attribute($attribute)
{
return $this->_auth[$_SESSION['user']->get_domain()]->user_find_by_attribute($attribute);
}
public function user_info($userdata)
{
return $this->normalize_result($this->_auth[$_SESSION['user']->get_domain()]->user_info($userdata));
}
}

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Expires
Mon, Apr 6, 12:29 AM (6 d, 22 h ago)
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Auth.php (7 KB)

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