Basic Import
This commit is contained in:
spelth
270
class.ldap.php
Normal file
270
class.ldap.php
Normal file
@@ -0,0 +1,270 @@
|
|||||||
|
<?php
|
||||||
|
global $conf;
|
||||||
|
class Ldap {
|
||||||
|
var $cnx;
|
||||||
|
var $config;
|
||||||
|
|
||||||
|
// for debug
|
||||||
|
public function write_log($message){
|
||||||
|
$log = 0;
|
||||||
|
if($log>0){
|
||||||
|
@file_put_contents('/var/log/ldap_login.log',$message."\n",FILE_APPEND);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* check ldap configuration
|
||||||
|
*
|
||||||
|
* Dans le cas ou l'acces au ldap est anonyme il faut impérativement faire une recherche
|
||||||
|
* pour tester la connection.
|
||||||
|
*
|
||||||
|
* When OpenLDAP 2.x.x is used, ldap_connect() will always return a resource as it does not actually connect
|
||||||
|
* but just initializes the connecting parameters. The actual connect happens with the next calls
|
||||||
|
* to ldap_* funcs, usually with ldap_bind().
|
||||||
|
*/
|
||||||
|
public function check_ldap(){
|
||||||
|
//$this->write_log("[function]> check_ldap");
|
||||||
|
if (!$this->ldap_conn()) {
|
||||||
|
return $this->getErrorString();
|
||||||
|
}
|
||||||
|
|
||||||
|
// test du compte root si renseigné
|
||||||
|
if (!empty($this->config['ld_binddn']) && !empty($this->config['ld_bindpw'])){ // if empty ld_binddn, anonymous search
|
||||||
|
// authentication with rootdn and rootpw for search
|
||||||
|
if (!$this->ldap_bind_as($this->config['ld_binddn'],$this->config['ld_bindpw'])){
|
||||||
|
return $this->getErrorString();
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
// sinon recherche du basedn (cf comportement ldap_connect avec OpenLDAP)
|
||||||
|
if (!$this->ldap_check_basedn()){ // search userdn
|
||||||
|
return $this->getErrorString();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
public function load_default_config(){
|
||||||
|
$this->config['host'] = 'localhost';
|
||||||
|
$this->config['basedn'] = 'ou=people,dc=example,dc=com'; // racine !
|
||||||
|
$this->config['port'] = ''; // if port is empty, I count on the software to care of it !
|
||||||
|
$this->config['ld_attr'] = 'uid';
|
||||||
|
$this->config['ld_group'] = 'cn=myPiwigoLDAPGroup,cn=users,dc=example,dc=com';
|
||||||
|
$this->config['ld_use_ssl'] = False;
|
||||||
|
$this->config['ld_bindpw'] ='';
|
||||||
|
$this->config['ld_binddn'] ='';
|
||||||
|
|
||||||
|
$this->config['allow_newusers'] = False;
|
||||||
|
$this->config['advertise_admin_new_ldapuser'] = False;
|
||||||
|
$this->config['send_password_by_mail_ldap'] = False;
|
||||||
|
}
|
||||||
|
|
||||||
|
function load_config() {
|
||||||
|
// first we load the base config
|
||||||
|
$conf_file = @file_get_contents( LDAP_LOGIN_PATH.'data.dat' );
|
||||||
|
if ($conf_file!==false)
|
||||||
|
{
|
||||||
|
$this->config = unserialize($conf_file);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function save_config()
|
||||||
|
{
|
||||||
|
$file = fopen( LDAP_LOGIN_PATH.'/data.dat', 'w' );
|
||||||
|
fwrite($file, serialize($this->config) );
|
||||||
|
fclose( $file );
|
||||||
|
}
|
||||||
|
|
||||||
|
function ldap_admin_menu($menu)
|
||||||
|
{
|
||||||
|
array_push($menu,
|
||||||
|
array(
|
||||||
|
'NAME' => 'Ldap Login',
|
||||||
|
'URL' => get_admin_plugin_menu_link(LDAP_LOGIN_PATH.'/admin.php') )
|
||||||
|
);
|
||||||
|
return $menu;
|
||||||
|
}
|
||||||
|
|
||||||
|
// LDAP connection public
|
||||||
|
public function ldap_conn(){
|
||||||
|
if( $this->cnx = $this->make_ldap_conn() ){
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
// LDAP connection private
|
||||||
|
private function make_ldap_conn(){
|
||||||
|
if ($this->config['ld_use_ssl'] == 1){
|
||||||
|
if (empty($this->config['port'])){
|
||||||
|
$this->config['uri'] = 'ldaps://'.$this->config['host'];
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
$this->config['uri'] = 'ldaps://'.$this->config['host'].':'.$this->config['port'];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// now, it's without ssl
|
||||||
|
else {
|
||||||
|
if (empty($this->config['port'])){
|
||||||
|
$this->config['uri'] = 'ldap://'.$this->config['host'];
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
$this->config['uri'] = 'ldap://'.$this->config['host'].':'.$this->config['port'];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($conn = @ldap_connect($this->config['uri'])){
|
||||||
|
@ldap_set_option($conn, LDAP_OPT_PROTOCOL_VERSION, 3); // LDAPv3 if possible
|
||||||
|
return $conn;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
// return ldap error
|
||||||
|
public function getErrorString(){
|
||||||
|
return ldap_err2str(ldap_errno($this->cnx));
|
||||||
|
}
|
||||||
|
|
||||||
|
// return the name ldap understand
|
||||||
|
public function ldap_name($name){
|
||||||
|
return $this->config['ld_attr'].'='.$name.','.$this->config['basedn'];
|
||||||
|
}
|
||||||
|
|
||||||
|
// authentication public
|
||||||
|
public function ldap_bind_as($user,$user_passwd){
|
||||||
|
$this->write_log("[function]> ldap_bind_as");
|
||||||
|
$this->write_log("[ldap_bind_as]> ".$user.",".$user_passwd);
|
||||||
|
if($this->make_ldap_bind_as($this->cnx,$user,$user_passwd)){
|
||||||
|
$this->write_log("[ldap_bind_as]> Bind was successfull");
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
// authentication private
|
||||||
|
private function make_ldap_bind_as($conn,$user,$user_passwd){
|
||||||
|
$this->write_log("[function]> make_ldap_bind_as");
|
||||||
|
$this->write_log("[make_ldap_bind_as]> \$conn,".$user.",".$user_passwd);
|
||||||
|
$bind = @ldap_bind($conn,$user,$user_passwd);
|
||||||
|
if($bind){
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
public function ldap_mail($name){
|
||||||
|
//echo $this->cnx;
|
||||||
|
//echo $this->ldap_name($name);
|
||||||
|
$sr=@ldap_read($this->cnx, $this->ldap_name($name), "(objectclass=*)", array('mail'));
|
||||||
|
$entry = @ldap_get_entries($this->cnx, $sr);
|
||||||
|
|
||||||
|
if (!empty($entry[0]['mail'])) {
|
||||||
|
return $entry[0]['mail'][0];
|
||||||
|
}
|
||||||
|
return False;
|
||||||
|
}
|
||||||
|
|
||||||
|
// return userdn (and username) for authentication
|
||||||
|
public function ldap_search_dn($value_to_search){
|
||||||
|
$this->write_log("[function]> ldap_search_dn(".$value_to_search.")");
|
||||||
|
$filter = '(&(objectCategory=person)('.$this->config['ld_attr'].'='.$value_to_search.'))';
|
||||||
|
|
||||||
|
// connection handling
|
||||||
|
$this->write_log("[ldap_search_dn]> Connecting to server");
|
||||||
|
//if(!$bcnx = $this->make_ldap_conn()){
|
||||||
|
if(!$this->cnx){
|
||||||
|
$this->write_log("[ldap_search_dn]> Cannot connect to server!");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
$this->write_log("[ldap_search_dn]> make_ldap_bind_as(\$this->cnx,".$this->config['ld_binddn'].",".$this->config['ld_bindpw'].")");
|
||||||
|
//if(!$this->make_ldap_bind_as($bcnx,$this->config['ld_binddn'],$this->config['ld_bindpw'])){
|
||||||
|
if(!$this->make_ldap_bind_as($this->cnx,$this->config['ld_binddn'],$this->config['ld_bindpw'])){
|
||||||
|
$this->write_log("[ldap_search_dn]> Cannot bind to server!");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
$this->write_log("[ldap_search_dn]> @ldap_search(\$this->cnx,".$this->config['basedn'].",".$filter.",array('dn'),0,1)");
|
||||||
|
|
||||||
|
// look for our attribute and get always the DN for login
|
||||||
|
//if($search = ldap_search($bcnx,$this->config['basedn'],$filter,array('dn'),0,1)){
|
||||||
|
if($search = @ldap_search($this->cnx,$this->config['basedn'],$filter,array('dn'),0,1)){
|
||||||
|
$this->write_log("[ldap_search_dn]> ldap_search successfull");
|
||||||
|
//$entry = ldap_get_entries($bcnx, $search);
|
||||||
|
$entry = @ldap_get_entries($this->cnx, $search);
|
||||||
|
//if (!empty($entry[0][strtolower($this->config['ld_attr'])][0])) {
|
||||||
|
if (!empty($entry[0]["dn"])) {
|
||||||
|
$this->write_log("[ldap_search_dn]> RESULT: ".$entry[0]["dn"]);
|
||||||
|
//@ldap_unbind($bcnx);
|
||||||
|
return $entry[0]["dn"];
|
||||||
|
}
|
||||||
|
$this->write_log("[ldap_search_dn]> result is empty!");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
$this->write_log("[ldap_search_dn]> ldap_search NOT successfull:");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
// look for LDAP group membership
|
||||||
|
public function check_ldap_group_membership($user_dn,$group_dn){
|
||||||
|
$this->write_log("[function]> check_ldap_group_membership(".$user_dn." , ".$group_dn.")");
|
||||||
|
//if no group specified return true
|
||||||
|
if(!$group_dn){
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
if(!$this->cnx){
|
||||||
|
$this->write_log("[check_ldap_group_membership]> Cannot connect to server!");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
if(!$this->make_ldap_bind_as($this->cnx,$this->config['ld_binddn'],$this->config['ld_bindpw'])){
|
||||||
|
$this->write_log("[check_ldap_group_membership]> Cannot bind to server!");
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
// search for all memberOf-attributes for a given user_dn
|
||||||
|
$this->write_log("[check_ldap_group_membership]> @ldap_search(\$this->cnx,\"".$user_dn."\",\"(objectClass=*)\", array(\"memberOf\"),0,1)");
|
||||||
|
if($search = @ldap_search($this->cnx, $user_dn, "(objectClass=*)", array("memberOf"),0,1)){
|
||||||
|
$entry = @ldap_get_entries($this->cnx, $search);
|
||||||
|
//check if there are memberof-attributes
|
||||||
|
if(isset($entry[0]["memberof"])){
|
||||||
|
$this->write_log("[check_ldap_group_membership]> Found ". $entry[0]["memberof"]["count"] ." memberOf-attributes");
|
||||||
|
for($i=0; $i < $entry["0"]["memberof"]["count"]; $i++){
|
||||||
|
$this->write_log("[check_ldap_group_membership]> checking: ". $entry["0"]["memberof"][$i]);
|
||||||
|
if(strcmp($group_dn,$entry["0"]["memberof"][$i]) == 0){
|
||||||
|
$this->write_log("[check_ldap_group_membership]> Match found for \"". $group_dn ."\" AND \"".$entry["0"]["memberof"][$i]."\"");
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
$this->write_log("[check_ldap_group_membership]> No groups found for given user, check on ldap side");
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
$this->write_log("[check_ldap_group_membership]> ldap_search NOT successfull: " .$this->getErrorString());
|
||||||
|
}
|
||||||
|
$this->write_log("[check_ldap_group_membership]> No matching groups found for given group_dn: ". $group_dn);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
public function getAttr() {
|
||||||
|
$search = @ldap_read($this->cnx, "cn=subschema", "(objectClass=*)", array('*', 'subschemasubentry'));
|
||||||
|
$entries = @ldap_get_entries($this->cnx, $search);
|
||||||
|
echo count($entries);
|
||||||
|
}
|
||||||
|
|
||||||
|
public function getRootDse() {
|
||||||
|
$search = @ldap_read($this->cnx, NULL, 'objectClass=*', array("*", "+"));
|
||||||
|
$entries = @ldap_get_entries($this->cnx, $search);
|
||||||
|
return $entries[0];
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
public function ldap_check_basedn(){
|
||||||
|
if ($read = @ldap_read($this->cnx,$this->config['basedn'],'(objectClass=*)',array('dn'))){
|
||||||
|
$entry = @ldap_get_entries($this->cnx, $read);
|
||||||
|
if (!empty($entry[0]['dn'])) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
?>
|
||||||
Reference in New Issue
Block a user