296 lines
8.4 KiB
PHP
296 lines
8.4 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
|
|
/**
|
|
* Gallery - a web based photo album viewer and editor
|
|
* Copyright (C) 2000-2012 Bharat Mediratta
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or (at
|
|
* your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
class IdentityProvider_Ldap_Driver implements IdentityProvider_Driver {
|
|
static $_params;
|
|
private static $_connection;
|
|
private static $_guest_user;
|
|
|
|
/**
|
|
* Initializes the LDAP Driver
|
|
*
|
|
* @return void
|
|
*/
|
|
public function __construct($params) {
|
|
self::$_params = $params;
|
|
self::$_connection = ldap_connect(self::$_params["url"]);
|
|
ldap_set_option(self::$_connection, LDAP_OPT_PROTOCOL_VERSION, 3);
|
|
if (self::$_params["bind_rdn"]) {
|
|
ldap_bind(self::$_connection, self::$_params["bind_rdn"], self::$_params["bind_password"]);
|
|
} else {
|
|
ldap_bind(self::$_connection);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::guest.
|
|
*/
|
|
public function guest() {
|
|
if (empty(self::$_guest_user)) {
|
|
self::$_guest_user = new Ldap_User();
|
|
self::$_guest_user->id = 0;
|
|
self::$_guest_user->name = "Guest";
|
|
self::$_guest_user->full_name = "Guest";
|
|
self::$_guest_user->guest = true;
|
|
self::$_guest_user->admin = false;
|
|
self::$_guest_user->locale = null;
|
|
self::$_guest_user->email = null;
|
|
self::$_guest_user->groups = array($this->everybody());
|
|
}
|
|
return self::$_guest_user;
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::admin_user.
|
|
*/
|
|
public function admin_user() {
|
|
return self::lookup_user_by_name(self::$_params["admins"][0]);
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::create_user.
|
|
*/
|
|
public function create_user($name, $full_name, $password, $email) {
|
|
throw new Exception("@todo INVALID OPERATION");
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::is_correct_password.
|
|
*/
|
|
public function is_correct_password($user, $password) {
|
|
$connection = ldap_connect(self::$_params["url"]);
|
|
ldap_set_option($connection, LDAP_OPT_PROTOCOL_VERSION, 3);
|
|
$lbind = @ldap_bind($connection, $user->dn, $password);
|
|
ldap_unbind($connection);
|
|
|
|
return ($lbind) ? true : false;
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::lookup_user.
|
|
*/
|
|
public function lookup_user($id) {
|
|
if ($id == 0) {
|
|
return $this->guest();
|
|
}
|
|
$result = ldap_search(self::$_connection, self::$_params["user_domain"], "uidNumber=$id");
|
|
$entries = ldap_get_entries(self::$_connection, $result);
|
|
if ($entries["count"] > 0) {
|
|
return new Ldap_User($entries[0]);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::lookup_user_by_name.
|
|
*
|
|
* Special processing: if the supplied name is admin then look up the first user
|
|
* specified by the "admins" driver params
|
|
*/
|
|
public function lookup_user_by_name($name) {
|
|
$result = ldap_search(self::$_connection, self::$_params["user_domain"], "uid=$name");
|
|
$entries = ldap_get_entries(self::$_connection, $result);
|
|
if ($entries["count"] > 0) {
|
|
return new Ldap_User($entries[0]);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::create_group.
|
|
*/
|
|
public function create_group($name) {
|
|
throw new Exception("@todo INVALID OPERATION");
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::everybody.
|
|
*/
|
|
public function everybody() {
|
|
return $this->lookup_group_by_name(self::$_params["everybody_group"]);
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::registered_users.
|
|
*/
|
|
public function registered_users() {
|
|
return $this->lookup_group_by_name(self::$_params["registered_users_group"]);
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::lookup_group.
|
|
*/
|
|
public function lookup_group($id) {
|
|
$result = @ldap_search(self::$_connection, self::$_params["group_domain"], "gidNumber=$id");
|
|
$entry_id = ldap_first_entry(self::$_connection, $result);
|
|
|
|
if ($entry_id !== false) {
|
|
$cn_entry = ldap_get_values(self::$_connection, $entry_id, "cn");
|
|
$gid_number_entry = ldap_get_values(self::$_connection, $entry_id, "gidNumber");
|
|
return new Ldap_Group($gid_number_entry[0], $cn_entry[0]);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Look up the group by name.
|
|
* @param string $name the name of the group to locate
|
|
* @return Group_Definition
|
|
*/
|
|
public function lookup_group_by_name($name) {
|
|
$result = @ldap_search(self::$_connection, self::$_params["group_domain"], "cn=$name");
|
|
$entry_id = ldap_first_entry(self::$_connection, $result);
|
|
|
|
if ($entry_id !== false) {
|
|
$cn_entry = ldap_get_values(self::$_connection, $entry_id, "cn");
|
|
$gid_number_entry = ldap_get_values(self::$_connection, $entry_id, "gidNumber");
|
|
return new Ldap_Group($gid_number_entry[0], $cn_entry[0]);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::get_user_list.
|
|
*/
|
|
public function get_user_list($ids) {
|
|
$users = array();
|
|
foreach ($ids as $id) {
|
|
$users[] = $this->lookup_user($id);
|
|
}
|
|
return $users;
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::groups.
|
|
*/
|
|
public function groups() {
|
|
$groups = array();
|
|
foreach (self::$_params["groups"] as $group_name) {
|
|
$groups[] = $this->lookup_group_by_name($group_name);
|
|
}
|
|
return $groups;
|
|
}
|
|
|
|
static function groups_for($user) {
|
|
if ($user->guest) {
|
|
return $user->groups;
|
|
}
|
|
|
|
$result = ldap_search(self::$_connection, self::$_params["group_domain"],
|
|
"(memberUid=$user->name)");
|
|
|
|
$associated_groups = self::$_params["groups"];
|
|
$groups = array();
|
|
for ($entry_id = ldap_first_entry(self::$_connection, $result);
|
|
$entry_id != false;
|
|
$entry_id = ldap_next_entry(self::$_connection, $entry_id)) {
|
|
$group_id = ldap_get_values(self::$_connection, $entry_id, "gidNumber");
|
|
$group_name = ldap_get_values(self::$_connection, $entry_id, "cn");
|
|
if (in_array($group_name[0], $associated_groups)) {
|
|
$groups[] = new Ldap_Group($group_id[0], $group_name[0]);
|
|
}
|
|
}
|
|
return $groups;
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::add_user_to_group.
|
|
*/
|
|
public function add_user_to_group($user, $group) {
|
|
throw new Exception("@todo INVALID OPERATION");
|
|
}
|
|
|
|
/**
|
|
* @see IdentityProvider_Driver::remove_user_to_group.
|
|
*/
|
|
public function remove_user_from_group($user, $group) {
|
|
throw new Exception("@todo INVALID OPERATION");
|
|
}
|
|
} // End Identity Gallery Driver
|
|
|
|
class Ldap_User implements User_Definition {
|
|
private $ldap_entry;
|
|
|
|
public function __construct($ldap_entry=null) {
|
|
$this->ldap_entry = $ldap_entry;
|
|
}
|
|
|
|
public function display_name() {
|
|
if (!empty($this->ldap_entry["displayname"][0])) {
|
|
return $this->ldap_entry["displayname"][0];
|
|
}
|
|
return $this->ldap_entry["cn"][0];
|
|
}
|
|
|
|
public function __get($key) {
|
|
switch($key) {
|
|
case "name":
|
|
return $this->ldap_entry["uid"][0];
|
|
|
|
case "guest":
|
|
return false;
|
|
|
|
case "id":
|
|
return $this->ldap_entry["uidnumber"][0];
|
|
|
|
case "locale": // @todo
|
|
return null;
|
|
|
|
case "admin":
|
|
return in_array($this->ldap_entry["uid"][0],
|
|
IdentityProvider_Ldap_Driver::$_params["admins"]);
|
|
|
|
case "email":
|
|
return $this->ldap_entry["mail"][0];
|
|
|
|
case "full_name":
|
|
return $this->ldap_entry["cn"][0];
|
|
|
|
case "dn":
|
|
return $this->ldap_entry["dn"];
|
|
|
|
case "url": // @todo
|
|
return null;
|
|
|
|
default:
|
|
throw new Exception("@todo UNKNOWN_KEY ($key)");
|
|
}
|
|
}
|
|
|
|
public function groups() {
|
|
return IdentityProvider_Ldap_Driver::groups_for($this);
|
|
}
|
|
|
|
public function avatar_url($size=80, $default=null) {
|
|
return sprintf("http://www.gravatar.com/avatar/%s.jpg?s=%d&r=pg%s",
|
|
md5($this->email), $size, $default ? "&d=" . urlencode($default) : "");
|
|
}
|
|
}
|
|
|
|
class Ldap_Group implements Group_Definition {
|
|
public $id;
|
|
public $name;
|
|
|
|
public function __construct($id, $name) {
|
|
$this->id = $id;
|
|
$this->name = $name;
|
|
$this->special = false;
|
|
}
|
|
}
|