the user does not exist in the ldap database
// res=1 -> invalid password (user does exist)
if ($res==1) { //WRONG PASSWORD
//$errorMessage = "LDAP User or password incorrect, try again.
";
if (isset($log)) unset($log); if (isset($uid)) unset($uid);
$loginLdapSucces = false;
}
if ($res==-1) { //WRONG USERNAME
//$errorMessage = "LDAP User or password incorrect, try again.
";
$login_ldap_success = false;
}
if ($res==0) { //LOGIN & PASSWORD OK - SUCCES
//$errorMessage = "Successful login w/ LDAP.
";
$login_ldap_success = true;
}
//$result = "This is the result: $errorMessage";
$result = $login_ldap_success;
return $result;
}
/**
* Find user info in LDAP
* @return array Array with indexes: "firstname", "name", "email", "employeenumber"
* @author Stefan De Wannemacker
* @author Roan Embrechts
*/
function ldap_find_user_info ($login) {
//error_log('Entering ldap_find_user_info('.$login.')',0);
global $ldap_host, $ldap_port, $ldap_basedn, $ldap_rdn, $ldap_pass, $ldap_search_dn;
// basic sequence with LDAP is connect, bind, search,
// interpret search result, close connection
//echo "Connecting ...";
$ldap_connect = ldap_connect( $ldap_host, $ldap_port);
ldap_set_version($ldap_connect);
if ($ldap_connect) {
//echo " Connect to LDAP server successful ";
//echo "Binding ...";
$ldap_bind = false;
$ldap_bind_res = ldap_handle_bind($ldap_connect,$ldap_bind);
if ($ldap_bind_res) {
//echo " LDAP bind successful... ";
//echo " Searching for uid... ";
// Search surname entry
//OLD: $sr=ldap_search($ldapconnect,"dc=rug, dc=ac, dc=be", "uid=$login");
//echo " ldapDc = '$LDAPbasedn'
";
if(!empty($ldap_search_dn)) {
$sr=ldap_search($ldap_connect, $ldap_search_dn, "uid=$login");
} else {
$sr=ldap_search($ldap_connect, $ldap_basedn, "uid=$login");
}
//echo " Search result is ".$sr;
//echo " Number of entries returned is ".ldap_count_entries($ldapconnect,$sr);
//echo " Getting entries ...";
$info = ldap_get_entries($ldap_connect, $sr);
//echo "Data for ".$info["count"]." items returned:";
} else {
//echo "LDAP bind failed...";
}
//echo "Closing LDAP connection
";
ldap_close($ldap_connect);
} else {
//echo "Unable to connect to LDAP server
";
}
//DEBUG: $result["firstname"] = "Jan"; $result["name"] = "De Test"; $result["email"] = "email@ugent.be";
$result["firstname"] = $info[0]["cn"][0];
$result["name"] = $info[0]["sn"][0];
$result["email"] = $info[0]["mail"][0];
$tutor_field = api_get_setting('ldap_filled_tutor_field');
$result[$tutor_field] = $info[0][$tutor_field]; //employeenumber by default
return $result;
}
/**
* This function uses the data from ldap_find_user_info()
* to add the userdata to Chamilo
* "firstname", "name", "email", "isEmployee"
* @author Roan Embrechts
*/
function ldap_put_user_info_locally($login, $info_array) {
//error_log('Entering ldap_put_user_info_locally('.$login.',info_array)',0);
global $ldap_pass_placeholder;
global $submitRegistration, $submit, $uname, $email,
$nom, $prenom, $password, $password1, $status;
global $platformLanguage;
global $loginFailed, $uidReset, $_user;
/*----------------------------------------------------------
1. set the necessary variables
------------------------------------------------------------ */
$uname = $login;
$email = $info_array["email"];
$nom = $info_array["name"];
$prenom = $info_array["firstname"];
$password = $ldap_pass_placeholder;
$password1 = $ldap_pass_placeholder;
$official_code = '';
define ("STUDENT",5);
define ("COURSEMANAGER",1);
$tutor_field = api_get_setting('ldap_filled_tutor_field');
$tutor_value = api_get_setting('ldap_filled_tutor_field_value');
if(empty($tutor_field)) {
$status = STUDENT;
} else {
if(empty($tutor_value)) {
//in this case, we are assuming that the admin didn't give a criteria
// so that if the field is not empty, it is a tutor
if(!empty($info_array[$tutor_field])) {
$status = COURSEMANAGER;
} else {
$status = STUDENT;
}
} else {
//the tutor_value is filled, so we need to check the contents of the LDAP field
if (is_array($info_array[$tutor_field]) && in_array($tutor_value,$info_array[$tutor_field])) {
$status = COURSEMANAGER;
} else {
$status = STUDENT;
}
}
}
//$official_code = xxx; //example: choose an attribute
/*----------------------------------------------------------
2. add info to Chamilo
------------------------------------------------------------ */
$language = api_get_setting('platformLanguage');
if (empty($language)) { $language = 'english'; }
$_userId = UserManager::create_user($prenom, $nom, $status,
$email, $uname, $password, $official_code,
$language,'', '', 'ldap');
//echo "new user added to Chamilo, id = $_userId";
//user_id, username, password, auth_source
/*----------------------------------------------------------
3. register session
------------------------------------------------------------ */
$uData['user_id'] = $_userId;
$uData['username'] = $uname;
$uData['auth_source'] = "ldap";
$loginFailed = false;
$uidReset = true;
$_user['user_id'] = $uData['user_id'];
Session::write('_uid', $_uid);
}
/**
* The code of UGent uses these functions to authenticate.
* function AuthVerifEnseignant ($uname, $passwd)
* function AuthVerifEtudiant ($uname, $passwd)
* function Authentif ($uname, $passwd)
* @todo translate the comments and code to english
* @todo let these functions use the variables in config.inc instead of ldap_var.inc
*/
/**
* Checks the existence of a member in LDAP
* @param string username input on keyboard
* @param string password given by user
* @return int 0 if authentication succeeded, 1 if password was incorrect, -1 if it didn't belong to LDAP
*/
function ldap_authentication_check ($uname, $passwd) {
//error_log('Entering ldap_authentication_check('.$uname.','.$passwd.')',0);
global $ldap_host, $ldap_port, $ldap_basedn, $ldap_host2, $ldap_port2,$ldap_rdn,$ldap_pass;
//error_log('Entering ldap_authentication_check('.$uname.','.$passwd.')',0);
// Establish anonymous connection with LDAP server
// Etablissement de la connexion anonyme avec le serveur LDAP
$ds=ldap_connect($ldap_host,$ldap_port);
ldap_set_version($ds);
$test_bind = false;
$test_bind_res = ldap_handle_bind($ds,$test_bind);
//if problem, use the replica
if ($test_bind_res===false) {
$ds=ldap_connect($ldap_host2,$ldap_port2);
ldap_set_version($ds);
} else {
//error_log('Connected to server '.$ldap_host);
}
if ($ds!==false) {
//Creation of filter containing values input by the user
// Here it might be necessary to use $filter="(samaccountName=$uname)"; - see http://support.chamilo.org/issues/4675
$filter="(uid=$uname)";
// Open anonymous LDAP connection
$result=false;
$ldap_bind_res = ldap_handle_bind($ds,$result);
// Executing the search with the $filter parametr
//error_log('Searching for '.$filter.' on LDAP server',0);
$sr=ldap_search($ds,$ldap_basedn,$filter);
$info = ldap_get_entries($ds, $sr);
$dn=($info[0]["dn"]);
// debug !! echo"
dn = $dn
pass = $passwd
";
// closing 1st connection
ldap_close($ds);
}
// test the Distinguish Name from the 1st connection
if ($dn=="") {
return (-1); // doesn't belong to the addressbook
}
//bug ldap.. if password empty, return 1!
if ($passwd=="") {
return(1);
}
// Opening 2nd LDAP connection : Connection user for password check
$ds=ldap_connect($ldap_host,$ldap_port);
ldap_set_version($ds);
if (!$test_bind) {
$ds=ldap_connect($ldap_host2,$ldap_port2);
ldap_set_version($ds);
}
// return in case of wrong password connection error
if (@ldap_bind( $ds, $dn , $passwd) === false) {
return (1); // invalid password
} else {// connection successfull
return (0);
}
} // end of check
/**
* Set the protocol version with version from config file (enables LDAP version 3)
* @param resource The LDAP connexion resource, passed by reference.
* @return void
*/
function ldap_set_version(&$resource) {
//error_log('Entering ldap_set_version(&$resource)',0);
global $ldap_version;
if ($ldap_version>2) {
if (ldap_set_option($resource, LDAP_OPT_PROTOCOL_VERSION, 3)) {
//ok - don't do anything
} else {
//failure - should switch back to version 2 by default
}
}
}
/**
* Handle bind (whether authenticated or not)
* @param resource The LDAP handler to which we are connecting (by reference)
* @param resource The LDAP bind handler we will be modifying
* @return boolean Status of the bind assignment. True for success, false for failure.
*/
function ldap_handle_bind(&$ldap_handler,&$ldap_bind) {
//error_log('Entering ldap_handle_bind(&$ldap_handler,&$ldap_bind)',0);
global $ldap_rdn,$ldap_pass, $extldap_config;
$ldap_rdn = $extldap_config['admin_dn'];
$ldap_pass = $extldap_config['admin_password'];
if (!empty($ldap_rdn) and !empty($ldap_pass)) {
//error_log('Trying authenticated login :'.$ldap_rdn.'/'.$ldap_pass,0);
$ldap_bind = ldap_bind($ldap_handler,$ldap_rdn,$ldap_pass);
if (!$ldap_bind) {
//error_log('Authenticated login failed',0);
//try in anonymous mode, you never know...
$ldap_bind = ldap_bind($ldap_handler);
}
} else {
// this is an "anonymous" bind, typically read-only access:
$ldap_bind = ldap_bind($ldap_handler);
}
if (!$ldap_bind) {
return false;
} else {
//error_log('Login finally OK',0);
return true;
}
}
/**
* Get the total number of users on the platform
* @see SortableTable#get_total_number_of_items()
* @author Mustapha Alouani
*/
function ldap_get_users() {
global $ldap_basedn, $ldap_host, $ldap_port, $ldap_rdn, $ldap_pass, $ldap_search_dn, $extldap_user_correspondance;
$keyword_firstname = isset($_GET['keyword_firstname']) ? trim(Database::escape_string($_GET['keyword_firstname'])): '';
$keyword_lastname = isset($_GET['keyword_lastname']) ? trim(Database::escape_string($_GET['keyword_lastname'])) : '';
$keyword_username = isset($_GET['keyword_username']) ? trim(Database::escape_string($_GET['keyword_username'])) : '';
$keyword_type = isset($_GET['keyword_type']) ? Database::escape_string($_GET['keyword_type']) : '';
$ldap_query=array();
if ($keyword_username != "") {
$ldap_query[] = str_replace('%username%', $keyword_username, $ldap_search_dn);
} else {
if ($keyword_lastname!=""){
$ldap_query[]="(".$extldap_user_correspondance['lastname']."=".$keyword_lastname."*)";
}
if ($keyword_firstname!="") {
$ldap_query[]="(".$extldap_user_correspondance['firstname']."=".$keyword_firstname."*)";
}
}
if ($keyword_type !="" && $keyword_type !="all") {
$ldap_query[]="(employeeType=".$keyword_type.")";
}
if (count($ldap_query)>1){
$str_query.="(& ";
foreach ($ldap_query as $query){
$str_query.=" $query";
}
$str_query.=" )";
} else {
$str_query= count($ldap_query) > 0 ? $ldap_query[0] : null;
}
$ds = ldap_connect($ldap_host, $ldap_port);
ldap_set_version($ds);
if ($ds && count($ldap_query)>0) {
$r = false;
$res = ldap_handle_bind($ds, $r);
//$sr = ldap_search($ds, "ou=test-ou,$ldap_basedn", $str_query);
$sr = ldap_search($ds, $ldap_basedn, $str_query);
//echo "Le nombre de resultats est : ".ldap_count_entries($ds,$sr)."";
$info = ldap_get_entries($ds, $sr);
return $info;
} else {
if (count($ldap_query)!=0)
Display :: display_error_message(get_lang('LDAPConnectionError'));
return array();
}
}
/**
* Get the total number of users on the platform
* @see SortableTable#get_total_number_of_items()
* @author Mustapha Alouani
*/
function ldap_get_number_of_users() {
$info = ldap_get_users();
if (count($info)>0) {
return $info['count'];
} else {
return 0;
}
}
/**
* Get the users to display on the current page.
* @see SortableTable#get_table_data($from)
* @author Mustapha Alouani
*/
function ldap_get_user_data($from, $number_of_items, $column, $direction) {
global $extldap_user_correspondance;
$users = array();
$is_western_name_order = api_is_western_name_order();
if (isset($_GET['submit'])) {
$info = ldap_get_users();
if ($info['count']>0) {
for ($key = 0; $key < $info["count"]; $key ++) {
$user=array();
// Get uid from dn
//YW: this might be a variation between LDAP 2 and LDAP 3, but in LDAP 3, the uid is in
//the corresponding index of the array
//$dn_array=ldap_explode_dn($info[$key]["dn"],1);
//$user[] = $dn_array[0]; // uid is first key
//$user[] = $dn_array[0]; // uid is first key
$user[] = $info[$key][$extldap_user_correspondance['username']][0];
$user[] = $info[$key][$extldap_user_correspondance['username']][0];
if ($is_western_name_order) {
$user[] = api_convert_encoding($info[$key][$extldap_user_correspondance['firstname']][0], api_get_system_encoding(), 'UTF-8');
$user[] = api_convert_encoding($info[$key][$extldap_user_correspondance['lastname']][0], api_get_system_encoding(), 'UTF-8');
} else {
$user[] = api_convert_encoding($info[$key][$extldap_user_correspondance['firstname']][0], api_get_system_encoding(), 'UTF-8');
$user[] = api_convert_encoding($info[$key][$extldap_user_correspondance['lastname']][0], api_get_system_encoding(), 'UTF-8');
}
$user[] = $info[$key]['mail'][0];
$user[] = $info[$key][$extldap_user_correspondance['username']][0];
$users[] = $user;
}
} else {
Display :: display_error_message(get_lang('NoUser'));
}
}
return $users;
}
/**
* Build the modify-column of the table
* @param int $user_id The user id
* @param string $url_params
* @return string Some HTML-code with modify-buttons
* @author Mustapha Alouani
*/
function modify_filter($user_id,$url_params, $row) {
$query_string="id[]=".$row[0];
if (!empty($_GET['id_session'])){
$query_string .= '&id_session='.Security::remove_XSS($_GET['id_session']);
}
//$url_params_id="id=".$row[0];
$result = ''.Display::return_icon('add_user.gif', get_lang('AddUsers')).'';
return $result;
}
/**
* Adds a user to the Chamilo database or updates its data
* @param string username (and uid inside LDAP)
* @author Mustapha Alouani
*/
function ldap_add_user($login) {
if ($ldap_user = extldap_authenticate($login, 'nopass', true)) {
return extldap_add_user_by_array($ldap_user);
}
}
function ldap_add_user_by_array($data, $update_if_exists = true) {
$lastname = api_convert_encoding($data['sn'][0], api_get_system_encoding(), 'UTF-8');
$firstname = api_convert_encoding($data['cn'][0], api_get_system_encoding(), 'UTF-8');
$email = $data['mail'][0];
// Get uid from dn
$dn_array=ldap_explode_dn($data['dn'],1);
$username = $dn_array[0]; // uid is first key
$outab[] = $data['edupersonprimaryaffiliation'][0]; // Here, "student"
//$val = ldap_get_values_len($ds, $entry, "userPassword");
//$val = ldap_get_values_len($ds, $data, "userPassword");
//$password = $val[0];
// TODO the password, if encrypted at the source, will be encrypted twice, which makes it useless. Try to fix that.
$password = $data['userPassword'][0];
$structure=$data['edupersonprimaryorgunitdn'][0];
$array_structure=explode(",", $structure);
$array_val=explode("=", $array_structure[0]);
$etape=$array_val[1];
$array_val=explode("=", $array_structure[1]);
$annee=$array_val[1];
// To ease management, we add the step-year (etape-annee) code
$official_code=$etape."-".$annee;
$auth_source='ldap';
// No expiration date for students (recover from LDAP's shadow expiry)
$expiration_date='0000-00-00 00:00:00';
$active=1;
if(empty($status)){$status = 5;}
if(empty($phone)){$phone = '';}
if(empty($picture_uri)){$picture_uri = '';}
// Adding user
$user_id = 0;
if (UserManager::is_username_available($username)) {
$user_id = UserManager::create_user($firstname,$lastname,$status,$email,$username,$password,$official_code,api_get_setting('platformLanguage'),$phone,$picture_uri,$auth_source,$expiration_date,$active);
} else {
if ($update_if_exists) {
$user = UserManager::get_user_info($username);
$user_id=$user['user_id'];
UserManager::update_user($user_id, $firstname, $lastname, $username, null, null, $email, $status, $official_code, $phone, $picture_uri, $expiration_date, $active);
}
}
return $user_id;
}
/**
* Adds a list of users to one session
* @param array Array of user ids
* @param string Course code
* @return void
*/
function ldap_add_user_to_session($UserList, $id_session) {
// Database Table Definitions
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_rel_class = Database::get_main_table(TABLE_MAIN_SESSION_CLASS);
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_class = Database::get_main_table(TABLE_MAIN_CLASS);
$tbl_class_user = Database::get_main_table(TABLE_MAIN_CLASS_USER);
$id_session = (int) $id_session;
// Once users are imported in the users base, we can assign them to the session
$result=Database::query("SELECT c_id FROM $tbl_session_rel_course WHERE session_id ='$id_session'");
$CourseList=array();
while ($row=Database::fetch_array($result)) {
$CourseList[]=$row['c_id'];
}
foreach ($CourseList as $enreg_course) {
foreach ($UserList as $enreg_user) {
$enreg_user = (int) $enreg_user;
Database::query("INSERT IGNORE ".
" INTO $tbl_session_rel_course_rel_user ".
"(session_id,c_id,user_id) VALUES ".
"('$id_session','$enreg_course','$enreg_user')");
}
$sql = "SELECT COUNT(user_id) as nbUsers ".
" FROM $tbl_session_rel_course_rel_user " .
" WHERE session_id='$id_session' ".
" AND c_id='$enreg_course'";
$rs = Database::query($sql);
list($nbr_users) = Database::fetch_array($rs);
Database::query("UPDATE $tbl_session_rel_course ".
" SET nbr_users=$nbr_users " .
" WHERE session_id='$id_session' ".
" AND c_id='$enreg_course'");
}
foreach ($UserList as $enreg_user) {
$enreg_user = (int) $enreg_user;
Database::query("INSERT IGNORE INTO $tbl_session_rel_user ".
" (session_id, user_id, registered_at) " .
" VALUES('$id_session','$enreg_user', '" . api_get_utc_datetime() . "')");
}
// We update the number of users in the session
$sql = "SELECT COUNT(user_id) as nbUsers FROM $tbl_session_rel_user ".
" WHERE session_id='$id_session' ".
" AND relation_type<>".SESSION_RELATION_TYPE_RRHH." ";
$rs = Database::query($sql);
list($nbr_users) = Database::fetch_array($rs);
Database::query("UPDATE $tbl_session SET nbr_users=$nbr_users ".
" WHERE id='$id_session'");
}
function syncro_users() {
global $ldap_basedn, $ldap_host, $ldap_port, $ldap_rdn, $ldap_pass, $ldap_search_dn;
echo "Connecting ...";
$ldap_connect = ldap_connect( $ldap_host, $ldap_port);
ldap_set_version($ldap_connect);
if ($ldap_connect) {
//echo " Connect to LDAP server successful ";
//echo "Binding ...";
$ldap_bind = false;
$ldap_bind_res = ldap_handle_bind($ldap_connect,$ldap_bind);
if ($ldap_bind_res) {
//echo " LDAP bind successful... ";
//echo " Searching for uid... ";
// Search surname entry
//OLD: $sr=ldap_search($ldapconnect,"dc=rug, dc=ac, dc=be", "uid=$login");
//echo "
ldapDc = '$LDAPbasedn'
";
$all_user_query = "uid=*";
if(!empty($ldap_search_dn)) {
$sr = ldap_search($ldap_connect, $ldap_search_dn, $all_user_query);
} else {
$sr = ldap_search($ldap_connect, $ldap_basedn, $all_user_query);
}
//echo " Number of entries returned is ".ldap_count_entries($ldapconnect,$sr);
//echo " Getting entries ...";
$info = ldap_get_entries($ldap_connect, $sr);
for ($key = 0; $key < $info['count']; $key ++) {
$user_id = ldap_add_user_by_array($info[$key], false);
if ($user_id) {
echo "User #$user_id created ";
} else {
echo "User was not created ";
}
}
//echo "Data for ".$info["count"]." items returned:";
} else {
//echo "LDAP bind failed...";
}
//echo "Closing LDAP connection
";
ldap_close($ldap_connect);
} else {
//echo "Unable to connect to LDAP server
";
}
}