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davical/inc/drivers_ldap.php
Andrew Ruthven 0041577fc8 Handle baseDNGroups being unset.
2023-02-04 19:03:50 +13:00

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<?php
/**
* Manages LDAP repository connection
*
* @package davical
* @category Technical
* @subpackage authentication/drivers
* @author Maxime Delorme <mdelorme@tennaxia.net>,
* Andrew McMillan <andrew@mcmillan.net.nz>
* @copyright Maxime Delorme
* @license http://gnu.org/copyleft/gpl.html GNU GPL v2 or later
*/
require_once("auth-functions.php");
/**
* Plugin to authenticate and sync with LDAP
*/
class ldapDriver
{
/**#@+
* @access private
*/
/**
* Holds the LDAP connection parameters
*/
var $connect;
/**#@-*/
/**
* Initializes the LDAP connection
*
* @param array $config The configuration data
*/
function __construct($config)
{
global $c;
$host=$config['host'];
$port=$config['port'];
if(!function_exists('ldap_connect')){
$c->messages[] = i18n("drivers_ldap : function ldap_connect not defined, check your php_ldap module");
$this->valid=false;
return ;
}
//Set LDAP protocol version
if (isset($config['protocolVersion']))
ldap_set_option($this->connect, LDAP_OPT_PROTOCOL_VERSION, $config['protocolVersion']);
if (isset($config['optReferrals']))
ldap_set_option($this->connect, LDAP_OPT_REFERRALS, $config['optReferrals']);
if (isset($config['networkTimeout']))
ldap_set_option($this->connect, LDAP_OPT_NETWORK_TIMEOUT, $config['networkTimeout']);
if ($port)
$this->connect=ldap_connect($host, $port);
else
$this->connect=ldap_connect($host);
if (! $this->connect){
$c->messages[] = sprintf(translate( 'drivers_ldap : Unable to connect to LDAP with port %s on host %s'), $port, $host );
$this->valid=false;
return ;
}
dbg_error_log( "LDAP", "drivers_ldap : Connected to LDAP server %s",$host );
// Start TLS if desired (requires protocol version 3)
if (isset($config['startTLS'])) {
if (!ldap_set_option($this->connect, LDAP_OPT_PROTOCOL_VERSION, 3)) {
$c->messages[] = i18n('drivers_ldap : Failed to set LDAP to use protocol version 3, TLS not supported');
$this->valid=false;
return;
}
if (!ldap_start_tls($this->connect)) {
$c->messages[] = i18n('drivers_ldap : Could not start TLS: ldap_start_tls() failed');
$this->valid=false;
return;
}
}
//Set the search scope to be used, default to subtree. This sets the functions to be called later.
if (!isset($config['scope'])) $config['scope'] = 'subtree';
switch (strtolower($config['scope'])) {
case "base":
$this->ldap_query_one = 'ldap_read';
$this->ldap_query_all = 'ldap_read';
break;
case "onelevel":
$this->ldap_query_one = 'ldap_list';
$this->ldap_query_all = 'ldap_search';
break;
default:
$this->ldap_query_one = 'ldap_search';
$this->ldap_query_all = 'ldap_search';
break;
}
//connect as root
if (!ldap_bind($this->connect, (isset($config['bindDN']) ? $config['bindDN'] : null), (isset($config['passDN']) ? $config['passDN'] : null) ) ){
$bindDN = isset($config['bindDN']) ? $config['bindDN'] : 'anonymous';
$passDN = isset($config['passDN']) ? $config['passDN'] : 'anonymous';
dbg_error_log( "LDAP", i18n('drivers_ldap : Failed to bind to host %1$s on port %2$s with bindDN of %3$s'), $host, $port, $bindDN );
$c->messages[] = i18n( 'drivers_ldap : Unable to bind to LDAP - check your configuration for bindDN and passDN, and that your LDAP server is reachable');
$this->valid=false;
return ;
}
$this->valid = true;
//root to start search
$this->baseDNUsers = is_string($config['baseDNUsers']) ? array($config['baseDNUsers']) : $config['baseDNUsers'];
$this->filterUsers = (isset($config['filterUsers']) ? $config['filterUsers'] : null);
$this->baseDNGroups = (isset($config['baseDNGroups']) ? (is_string($config['baseDNGroups']) ? array($config['baseDNGroups']) : $config['baseDNGroups']) : null);
$this->filterGroups = (isset($config['filterGroups']) ? $config['filterGroups'] : null);
}
/**
* Retrieve all users from the LDAP directory
*/
function getAllUsers($attributes){
global $c;
$query = $this->ldap_query_all;
$ret = array();
foreach($this->baseDNUsers as $baseDNUsers) {
$entry = $query($this->connect,$baseDNUsers,$this->filterUsers,$attributes);
if (!ldap_first_entry($this->connect,$entry)) {
$c->messages[] = sprintf(translate('Error NoUserFound with filter >%s<, attributes >%s< , dn >%s<'),
$this->filterUsers,
join(', ', $attributes),
$baseDNUsers);
}
$row = array();
for($i = ldap_first_entry($this->connect,$entry);
$i && $arr = ldap_get_attributes($this->connect,$i);
$i = ldap_next_entry($this->connect,$i) ) {
$row = array();
for ($j=0; $j < $arr['count']; $j++) {
$row[$arr[$j]] = $arr[$arr[$j]][0];
}
$ret[]=$row;
}
}
return $ret;
}
/**
* Retrieve all groups from the LDAP directory
*/
function getAllGroups($attributes){
global $c;
$query = $this->ldap_query_all;
$ret = array();
foreach($this->baseDNGroups as $baseDNGroups) {
$entry = $query($this->connect,$baseDNGroups,$this->filterGroups,$attributes);
if (!ldap_first_entry($this->connect,$entry)) {
$c->messages[] = sprintf(translate('Error NoGroupFound with filter >%s<, attributes >%s< , dn >%s<'),
$this->filterGroups,
join(', ', $attributes),
$baseDNGroups);
}
$row = array();
for($i = ldap_first_entry($this->connect,$entry);
$i && $arr = ldap_get_attributes($this->connect,$i);
$i = ldap_next_entry($this->connect,$i) ) {
for ($j=0; $j < $arr['count']; $j++) {
$row[$arr[$j]] = count($arr[$arr[$j]])>2?$arr[$arr[$j]]:$arr[$arr[$j]][0];
}
$ret[]=$row;
unset($row);
}
}
return $ret;
}
/**
* Actually look up a user in the LDAP directory
* (this is the LDAP part of LDAP_check() below)
*
* @param string $filter The filter used to search entries
* @param array $attributes Attributes to be returned
* @param string $username username to check
* @param string $passwd password to check
* @return array Contains selected attributes from all entries corresponding to the given filter
*/
function requestUser( $filter, $attributes, $username, $passwd) {
global $c;
$entry=NULL;
// We get the DN of the USER
$query = $this->ldap_query_one;
# ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, 7);
foreach($this->baseDNUsers as $baseDNUsers) {
$entry = $query($this->connect, $baseDNUsers, $filter, $attributes);
if (ldap_first_entry($this->connect,$entry) )
break;
dbg_error_log( "LDAP", "drivers_ldap : Failed to find user with baseDN: %s", $baseDNUsers );
}
if ( !ldap_first_entry($this->connect, $entry) ){
dbg_error_log( "ERROR", "drivers_ldap : Unable to find the user with filter %s",$filter );
return false;
} else {
dbg_error_log( "LDAP", "drivers_ldap : Found a user using filter %s",$filter );
}
$dnUser = ldap_get_dn($this->connect, ldap_first_entry($this->connect,$entry));
if ( isset($c->authenticate_hook['config']['i_use_mode_kerberos']) && $c->authenticate_hook['config']['i_use_mode_kerberos'] == "i_know_what_i_am_doing") {
if (isset($_SERVER["REMOTE_USER"])) {
dbg_error_log( "LOG", "drivers_ldap : Skipping password Check for user %s which should be the same as %s",$username , $_SERVER["REMOTE_USER"]);
if ($username != $_SERVER["REMOTE_USER"]) {
return false;
}
} else {
dbg_error_log( "LOG", "drivers_ldap : Skipping password Check for user %s which should be the same as %s",$username , $_SERVER["REDIRECT_REMOTE_USER"]);
if ($username != $_SERVER["REDIRECT_REMOTE_USER"]) {
return false;
}
}
}
else if ( empty($passwd) || preg_match('/[\x00-\x19]/',$passwd) ) {
// See http://www.php.net/manual/en/function.ldap-bind.php#73718 for more background
dbg_error_log( 'LDAP', 'drivers_ldap : user %s supplied empty or invalid password: login rejected', $dnUser );
return false;
}
else {
if ( !@ldap_bind($this->connect, $dnUser, $passwd) ) {
dbg_error_log( "LDAP", "drivers_ldap : Failed to bind to user %s ", $dnUser );
return false;
}
}
dbg_error_log( "LDAP", "drivers_ldap : Bound to user %s using password %s", $dnUser,
(isset($c->dbg['password']) && $c->dbg['password'] ? $passwd : 'another delicious password for the debugging monster!') );
$i = ldap_first_entry($this->connect,$entry);
$arr = ldap_get_attributes($this->connect,$i);
for( $i=0; $i<$arr['count']; $i++ ) {
$ret[$arr[$i]]=$arr[$arr[$i]][0];
}
return $ret;
}
}
/**
* A generic function to create and fetch static objects
*/
function getStaticLdap() {
global $c;
// Declare a static variable to hold the object instance
static $instance;
// If the instance is not there, create one
if(!isset($instance)) {
$ldapDriver = new ldapDriver($c->authenticate_hook['config']);
if ($ldapDriver->valid) {
$instance = $ldapDriver;
}
}
else {
$ldapDriver = $instance;
}
return $ldapDriver;
}
/**
* Synchronise a cached user with one from LDAP
* @param object $principal A Principal object to be updated (or created)
*/
function sync_user_from_LDAP( Principal &$principal, $mapping, $ldap_values ) {
global $c;
dbg_error_log( "LDAP", "Going to sync the user from LDAP" );
$fields_to_set = array();
$updateable_fields = Principal::updateableFields();
foreach( $updateable_fields AS $field ) {
if ( isset($mapping[$field]) ) {
$tab_part_fields = explode(',',$mapping[$field]);
foreach( $tab_part_fields as $part_field ) {
if ( isset($ldap_values[$part_field]) ) {
if (isset($fields_to_set[$field]) ) {
$fields_to_set[$field] .= ' '.$ldap_values[$part_field];
}
else {
$fields_to_set[$field] = $ldap_values[$part_field];
}
}
}
dbg_error_log( "LDAP", "Setting usr->%s to %s from LDAP field %s", $field, $fields_to_set[$field], $mapping[$field] );
}
else if ( isset($c->authenticate_hook['config']['default_value']) && is_array($c->authenticate_hook['config']['default_value'])
&& isset($c->authenticate_hook['config']['default_value'][$field] ) ) {
$fields_to_set[$field] = $c->authenticate_hook['config']['default_value'][$field];
dbg_error_log( "LDAP", "Setting usr->%s to %s from configured defaults", $field, $c->authenticate_hook['config']['default_value'][$field] );
}
}
if ( $principal->Exists() ) {
$principal->Update($fields_to_set);
}
else {
$principal->Create($fields_to_set);
CreateHomeCollections($principal->username());
CreateDefaultRelationships($principal->username());
}
}
/**
* explode the multipart mapping
*/
function array_values_mapping($mapping){
$attributes=array();
foreach ( $mapping as $field ) {
$tab_part_field = explode(",",$field);
foreach( $tab_part_field as $part_field ) {
$attributes[] = $part_field;
}
}
return $attributes;
}
/**
* Check the username / password against the LDAP server
*/
function LDAP_check($username, $password ){
global $c;
$ldapDriver = getStaticLdap();
if ( !$ldapDriver->valid ) {
sleep(1); // Sleep very briefly to try and survive intermittent issues
$ldapDriver = getStaticLdap();
if ( !$ldapDriver->valid ) {
dbg_error_log( "ERROR", "Couldn't contact LDAP server for authentication" );
foreach($c->messages as $msg) {
dbg_error_log( "ERROR", "-> ".$msg );
}
header( sprintf("HTTP/1.1 %d %s", 503, translate("Authentication server unavailable.")) );
exit(0);
}
}
$mapping = $c->authenticate_hook['config']['mapping_field'];
if ( isset($mapping['active']) && !isset($mapping['user_active']) ) {
// Backward compatibility: now 'user_active'
$mapping['user_active'] = $mapping['active'];
unset($mapping['active']);
}
if ( isset($mapping['updated']) && !isset($mapping['modified']) ) {
// Backward compatibility: now 'modified'
$mapping['modified'] = $mapping['updated'];
unset($mapping['updated']);
}
$attributes = array_values_mapping($mapping);
/**
* If the config contains a filter that starts with a ( then believe
* them and don't modify it, otherwise wrap the filter.
*/
$filter_munge = "";
if ( preg_match( '/^\(/', $ldapDriver->filterUsers ) ) {
$filter_munge = $ldapDriver->filterUsers;
}
else if ( isset($ldapDriver->filterUsers) && $ldapDriver->filterUsers != '' ) {
$filter_munge = "($ldapDriver->filterUsers)";
}
$filter = "(&$filter_munge(".$mapping['username']."=$username))";
$valid = $ldapDriver->requestUser( $filter, $attributes, $username, $password );
// is a valid user or not
if ( !$valid ) {
dbg_error_log( "LDAP", "user %s is not a valid user",$username );
return false;
}
if ( $mapping['modified'] != "" && array_key_exists($mapping['modified'], $valid)) {
$ldap_timestamp = $valid[$mapping['modified']];
} else {
$ldap_timestamp = '19700101000000';
}
/**
* This splits the LDAP timestamp apart and assigns values to $Y $m $d $H $M and $S
*/
foreach($c->authenticate_hook['config']['format_updated'] as $k => $v)
$$k = substr($ldap_timestamp,$v[0],$v[1]);
$ldap_timestamp = "$Y"."$m"."$d"."$H"."$M"."$S";
if ($mapping['modified'] != "" && array_key_exists($mapping['modified'], $valid)) {
$valid[$mapping['modified']] = "$Y-$m-$d $H:$M:$S";
}
$principal = new Principal('username',$username);
if ( $principal->Exists() ) {
// should we update it ?
$db_timestamp = $principal->modified;
$db_timestamp = substr(strtr($db_timestamp, array(':' => '',' '=>'','-'=>'')),0,14);
if( $ldap_timestamp <= $db_timestamp ) {
return $principal; // no need to update
}
// we will need to update the user record
}
else {
dbg_error_log( "LDAP", "user %s doesn't exist in local DB, we need to create it",$username );
}
$principal->setUsername($username);
// The local cached user doesn't exist, or is older, so we create/update their details
sync_user_from_LDAP( $principal, $mapping, $valid );
return $principal;
}
/**
* turn a list of uniqueMember into member strings
*/
function fix_unique_member($list) {
$fixed_list = array();
foreach ( $list as $member ){
array_unshift( $fixed_list, ldap_explode_dn($member,1)[0]);
}
return $fixed_list;
}
/**
* sync LDAP Groups against the DB
*/
function sync_LDAP_groups(){
global $c;
$ldapDriver = getStaticLdap();
if ( ! $ldapDriver->valid ) return;
$mapping = $c->authenticate_hook['config']['group_mapping_field'];
//$attributes = array('cn','modifyTimestamp','memberUid');
$attributes = array_values_mapping($mapping);
$ldap_groups_tmp = $ldapDriver->getAllGroups($attributes);
if ( sizeof($ldap_groups_tmp) == 0 ) return;
$member_field = $mapping['members'];
$dnfix = isset($c->authenticate_hook['config']['group_member_dnfix']) && $c->authenticate_hook['config']['group_member_dnfix'];
foreach($ldap_groups_tmp as $key => $ldap_group){
$group_mapping = $ldap_group[$mapping['username']];
$ldap_groups_info[$group_mapping] = $ldap_group;
if ( is_array($ldap_groups_info[$group_mapping][$member_field]) ) {
unset( $ldap_groups_info[$group_mapping][$member_field]['count'] );
}
else {
$ldap_groups_info[$group_mapping][$member_field] = array($ldap_groups_info[$group_mapping][$member_field]);
}
unset($ldap_groups_tmp[$key]);
}
$db_groups = array();
$db_group_members = array();
$qry = new AwlQuery( "SELECT g.username AS group_name, member.username AS member_name FROM dav_principal g LEFT JOIN group_member ON (g.principal_id=group_member.group_id) LEFT JOIN dav_principal member ON (member.principal_id=group_member.member_id) WHERE g.type_id = 3");
$qry->Exec('sync_LDAP',__LINE__,__FILE__);
while($db_group = $qry->Fetch()) {
$db_groups[$db_group->group_name] = $db_group->group_name;
$db_group_members[$db_group->group_name][] = $db_group->member_name;
}
$ldap_groups = array_keys($ldap_groups_info);
// users only in ldap
$groups_to_create = array_diff($ldap_groups,$db_groups);
// users only in db
$groups_to_deactivate = array_diff($db_groups,$ldap_groups);
// users present in ldap and in the db
$groups_to_update = array_intersect($db_groups,$ldap_groups);
// groups where nothing was done
$groups_nothing_done[] = null;
if ( sizeof ( $groups_to_create ) ){
$validUserFields = awl_get_fields('usr');
foreach ( $groups_to_create as $k => $group ){
if ( isset($c->do_not_sync_group_from_ldap) && isset($c->do_not_sync_group_from_ldap[$group]) ){
unset($groups_to_create[$k]);
$groups_nothing_done[] = $group;
continue;
}
$user = (object) array();
if ( isset($c->authenticate_hook['config']['default_value']) && is_array($c->authenticate_hook['config']['default_value']) ) {
foreach ( $c->authenticate_hook['config']['default_value'] as $field => $value ) {
if ( isset($validUserFields[$field]) ) {
$user->{$field} = $value;
dbg_error_log( "LDAP", "Setting usr->%s to %s from configured defaults", $field, $value );
}
}
}
$user->user_no = 0;
$ldap_values = $ldap_groups_info[$group];
foreach ( $mapping as $field => $value ) {
dbg_error_log( "LDAP", "Considering copying %s", $field );
if ( isset($validUserFields[$field]) ) {
$user->{$field} = $ldap_values[$value];
dbg_error_log( "LDAP", "Setting usr->%s to %s from LDAP field %s", $field, $ldap_values[$value], $value );
}
}
if ($user->fullname=="") {
$user->fullname = $group;
}
if ($user->displayname=="") {
$user->displayname = $group;
}
$user->username = $group;
$user->updated = "now"; /** @todo Use the 'updated' timestamp from LDAP for groups too */
$principal = new Principal('username',$group);
if ( $principal->Exists() ) {
$principal->Update($user);
}
else {
$principal->Create($user);
}
$qry = new AwlQuery( "UPDATE dav_principal set type_id = 3 WHERE username=:group ",array(':group'=>$group) );
$qry->Exec('sync_LDAP',__LINE__,__FILE__);
Principal::cacheDelete('username', $group);
// mark group for updating, so users get synced
$groups_to_update[] = $group;
}
$c->messages[] = sprintf( i18n('- creating groups : %s'), join(', ',$groups_to_create) );
}
if ( sizeof ( $groups_to_update ) ){
$c->messages[] = sprintf(i18n('- updating groups : %s'),join(', ',$groups_to_update));
foreach ( $groups_to_update as $group ){
$db_members = array_values ( $db_group_members[$group] );
$ldap_members = array_values ( $ldap_groups_info[$group][$member_field] );
if ( $member_field == 'uniqueMember' || $dnfix ) {
$ldap_members = fix_unique_member( $ldap_members );
}
$add_users = array_diff ( $ldap_members, $db_members );
if ( sizeof ( $add_users ) ){
$c->messages[] = sprintf(i18n('- adding %s to group : %s'),join(', ', $add_users ), $group);
foreach ( $add_users as $member ){
$qry = new AwlQuery( "INSERT INTO group_member SELECT g.principal_id AS group_id,u.principal_id AS member_id FROM dav_principal g, dav_principal u WHERE g.username=:group AND u.username=:member",array (':group'=>$group,':member'=>$member) );
$qry->Exec('sync_LDAP_groups',__LINE__,__FILE__);
Principal::cacheDelete('username', $member);
}
}
$remove_users = @array_flip( @array_flip( array_diff( $db_members, $ldap_members ) ));
if ( sizeof ( $remove_users ) ){
$c->messages[] = sprintf(i18n('- removing %s from group : %s'),join(', ', $remove_users ), $group);
foreach ( $remove_users as $member ){
$qry = new AwlQuery( "DELETE FROM group_member USING dav_principal g,dav_principal m WHERE group_id=g.principal_id AND member_id=m.principal_id AND g.username=:group AND m.username=:member",array (':group'=>$group,':member'=>$member) );
$qry->Exec('sync_LDAP_groups',__LINE__,__FILE__);
Principal::cacheDelete('username', $member);
}
}
}
}
if ( sizeof ( $groups_to_deactivate ) ){
foreach ( $groups_to_deactivate as $k => $group ){
if ( isset($c->do_not_sync_group_from_ldap) && isset($c->do_not_sync_group_from_ldap[$group]) ){
unset($groups_to_deactivate[$k]);
$groups_nothing_done[] = $group;
} else {
$qry = new AwlQuery( 'UPDATE dav_principal SET user_active=FALSE WHERE username=:group AND type_id = 3',array(':group'=>$group) );
$qry->Exec('sync_LDAP',__LINE__,__FILE__);
Principal::cacheFlush('username=:group AND type_id = 3', array(':group'=>$group) );
}
}
if ( sizeof($groups_to_deactivate) )
$c->messages[] = sprintf(i18n('- deactivated groups : %s'), join(', ',$groups_to_deactivate));
}
if ( sizeof($groups_nothing_done) )
$c->messages[] = sprintf( i18n('- nothing done on : %s'), join(', ',$groups_nothing_done) );
}
/**
* sync LDAP against the DB
*/
function sync_LDAP(){
global $c;
$ldapDriver = getStaticLdap();
if ( ! $ldapDriver->valid ) return;
$mapping = $c->authenticate_hook['config']['mapping_field'];
$attributes = array_values_mapping($mapping);
$ldap_users_tmp = $ldapDriver->getAllUsers($attributes);
if ( sizeof($ldap_users_tmp) == 0 ) return;
foreach($ldap_users_tmp as $key => $ldap_user){
if(!isset($ldap_user[$mapping['username']])) continue;
$ldap_users_info[$ldap_user[$mapping['username']]] = $ldap_user;
unset($ldap_users_tmp[$key]);
}
$qry = new AwlQuery( "SELECT username, user_no, modified as updated , user_active FROM dav_principal where type_id=1");
$qry->Exec('sync_LDAP',__LINE__,__FILE__);
while($db_user = $qry->Fetch()) {
$db_users[] = $db_user->username;
$db_users_info[$db_user->username] = array('user_no' => $db_user->user_no, 'updated' => $db_user->updated, 'user_active' => $db_user->user_active);
}
// all users from ldap
$ldap_users = array_keys($ldap_users_info);
// users only in ldap
$users_to_create = array_diff($ldap_users,$db_users);
// users only in db
$users_to_deactivate = array_diff($db_users,$ldap_users);
// users present in ldap and in the db
$users_to_update = array_intersect($db_users,$ldap_users);
// creation of all users;
if ( sizeof($users_to_create) ) {
foreach( $users_to_create as $k => $username ) {
if ( isset($c->do_not_sync_from_ldap) && isset($c->do_not_sync_from_ldap[$username]) ) {
unset( $users_to_create[$k] );
$users_nothing_done[] = $username;
continue;
}
$principal = new Principal( 'username', $username );
$valid = $ldap_users_info[$username];
if ( $mapping['modified'] != "" && array_key_exists($mapping['modified'], $valid)) {
$ldap_timestamp = $valid[$mapping['modified']];
} else {
$ldap_timestamp = '19700101000000';
}
if ( !empty($c->authenticate_hook['config']['format_updated']) ) {
/**
* This splits the LDAP timestamp apart and assigns values to $Y $m $d $H $M and $S
*/
foreach($c->authenticate_hook['config']['format_updated'] as $k => $v)
$$k = substr($ldap_timestamp,$v[0],$v[1]);
$ldap_timestamp = $Y.$m.$d.$H.$M.$S;
}
else if ( preg_match('{^(\d{8})(\d{6})(Z)?$', $ldap_timestamp, $matches ) ) {
$ldap_timestamp = $matches[1].'T'.$matches[2].$matches[3];
}
else if ( empty($ldap_timestamp) ) {
$ldap_timestamp = date('c');
}
if ( $mapping['modified'] != "" && array_key_exists($mapping['modified'], $valid)) {
$valid[$mapping['modified']] = $ldap_timestamp;
}
sync_user_from_LDAP( $principal, $mapping, $valid );
}
$c->messages[] = sprintf( i18n('- creating record for users : %s'), join(', ',$users_to_create) );
}
// deactivating all users
$params = array();
$i = 0;
$paramstring = '';
foreach( $users_to_deactivate as $k => $v ) {
if ( isset($c->do_not_sync_from_ldap) && isset($c->do_not_sync_from_ldap[$v]) ) {
unset($users_to_deactivate[$k]);
$users_nothing_done[] = $v;
continue;
}
if ( $i > 0 ) $paramstring .= ',';
$paramstring .= ':u'.$i.'::text';
$params[':u'.$i++] = strtolower($v);
}
if ( count($params) > 0 ) {
$c->messages[] = sprintf(i18n('- deactivating users : %s'),join(', ',$users_to_deactivate));
$qry = new AwlQuery( 'UPDATE usr SET active = FALSE WHERE lower(username) IN ('.$paramstring.')', $params);
$qry->Exec('sync_LDAP',__LINE__,__FILE__);
Principal::cacheFlush('lower(username) IN ('.$paramstring.')', $params);
}
// updating all users
if ( sizeof($users_to_update) ) {
foreach ( $users_to_update as $key=> $username ) {
$principal = new Principal( 'username', $username );
$valid=$ldap_users_info[$username];
if ( $mapping['modified'] != "" && array_key_exists($mapping['modified'], $valid)) {
$ldap_timestamp = $valid[$mapping['modified']];
} else {
$ldap_timestamp = '19700101000000';
}
$valid['user_no'] = $db_users_info[$username]['user_no'];
$mapping['user_no'] = 'user_no';
/**
* This splits the LDAP timestamp apart and assigns values to $Y $m $d $H $M and $S
*/
foreach($c->authenticate_hook['config']['format_updated'] as $k => $v) {
$$k = substr($ldap_timestamp,$v[0],$v[1]);
}
$ldap_timestamp = $Y.$m.$d.$H.$M.$S;
$valid[$mapping['modified']] = "$Y-$m-$d $H:$M:$S";
$db_timestamp = substr(strtr($db_users_info[$username]['updated'], array(':' => '',' '=>'','-'=>'')),0,14);
if ( $ldap_timestamp > $db_timestamp || !$db_users_info[$username]['user_active']) {
$principal->user_active = true;
sync_user_from_LDAP($principal, $mapping, $valid);
}
else {
unset($users_to_update[$key]);
$users_nothing_done[] = $username;
}
}
if ( sizeof($users_to_update) )
$c->messages[] = sprintf(i18n('- updating user records : %s'),join(', ',$users_to_update));
}
if ( sizeof($users_nothing_done) )
$c->messages[] = sprintf( i18n('- nothing done on : %s'), join(', ',$users_nothing_done) );
// check for remaining admins
$admins = 0;
$qry = new AwlQuery( "SELECT count(*) AS admins FROM usr JOIN role_member USING ( user_no ) JOIN roles USING (role_no) WHERE usr.active=TRUE AND role_name='Admin'");
$qry->Exec('sync_LDAP',__LINE__,__FILE__);
while ( $db_user = $qry->Fetch() ) {
$admins = $db_user->admins;
}
if ( $admins == 0 ) {
$c->messages[] = sprintf(i18n('Warning: there are no active admin users! You should fix this before logging out. Consider using the $c->do_not_sync_from_ldap configuration setting.'));
}
}
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