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Christoph
2023-06-21 11:09:08 +02:00
parent 0a7a61049a
commit 14056b44dd
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snippets/dokuwiki-2023-04-04/lib/plugins/authad/adLDAP/classes/adLDAPUsers.php Normal file
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<?php
/**
* PHP LDAP CLASS FOR MANIPULATING ACTIVE DIRECTORY
* Version 4.0.4
*
* PHP Version 5 with SSL and LDAP support
*
* Written by Scott Barnett, Richard Hyland
* email: scott@wiggumworld.com, adldap@richardhyland.com
* http://adldap.sourceforge.net/
*
* Copyright (c) 2006-2012 Scott Barnett, Richard Hyland
*
* We'd appreciate any improvements or additions to be submitted back
* to benefit the entire community :)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* @category ToolsAndUtilities
* @package adLDAP
* @subpackage User
* @author Scott Barnett, Richard Hyland
* @copyright (c) 2006-2012 Scott Barnett, Richard Hyland
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html LGPLv2.1
* @revision $Revision: 97 $
* @version 4.0.4
* @link http://adldap.sourceforge.net/
*/
require_once(dirname(__FILE__) . '/../adLDAP.php');
require_once(dirname(__FILE__) . '/../collections/adLDAPUserCollection.php');
use dokuwiki\Utf8\Sort;
/**
* USER FUNCTIONS
*/
class adLDAPUsers {
/**
* The current adLDAP connection via dependency injection
*
* @var adLDAP
*/
protected $adldap;
public function __construct(adLDAP $adldap) {
$this->adldap = $adldap;
}
/**
* Validate a user's login credentials
*
* @param string $username A user's AD username
* @param string $password A user's AD password
* @param bool optional $prevent_rebind
* @return bool
*/
public function authenticate($username, $password, $preventRebind = false) {
return $this->adldap->authenticate($username, $password, $preventRebind);
}
/**
* Create a user
*
* If you specify a password here, this can only be performed over SSL
*
* @param array $attributes The attributes to set to the user account
* @return bool
*/
public function create($attributes)
{
// Check for compulsory fields
if (!array_key_exists("username", $attributes)){ return "Missing compulsory field [username]"; }
if (!array_key_exists("firstname", $attributes)){ return "Missing compulsory field [firstname]"; }
if (!array_key_exists("surname", $attributes)){ return "Missing compulsory field [surname]"; }
if (!array_key_exists("email", $attributes)){ return "Missing compulsory field [email]"; }
if (!array_key_exists("container", $attributes)){ return "Missing compulsory field [container]"; }
if (!is_array($attributes["container"])){ return "Container attribute must be an array."; }
if (array_key_exists("password",$attributes) && (!$this->adldap->getUseSSL() && !$this->adldap->getUseTLS())){
throw new adLDAPException('SSL must be configured on your webserver and enabled in the class to set passwords.');
}
if (!array_key_exists("display_name", $attributes)) {
$attributes["display_name"] = $attributes["firstname"] . " " . $attributes["surname"];
}
// Translate the schema
$add = $this->adldap->adldap_schema($attributes);
// Additional stuff only used for adding accounts
$add["cn"][0] = $attributes["display_name"];
$add["samaccountname"][0] = $attributes["username"];
$add["objectclass"][0] = "top";
$add["objectclass"][1] = "person";
$add["objectclass"][2] = "organizationalPerson";
$add["objectclass"][3] = "user"; //person?
//$add["name"][0]=$attributes["firstname"]." ".$attributes["surname"];
// Set the account control attribute
$control_options = array("NORMAL_ACCOUNT");
if (!$attributes["enabled"]) {
$control_options[] = "ACCOUNTDISABLE";
}
$add["userAccountControl"][0] = $this->accountControl($control_options);
// Determine the container
$attributes["container"] = array_reverse($attributes["container"]);
$container = "OU=" . implode(", OU=",$attributes["container"]);
// Add the entry
$result = @ldap_add($this->adldap->getLdapConnection(), "CN=" . $add["cn"][0] . ", " . $container . "," . $this->adldap->getBaseDn(), $add);
if ($result != true) {
return false;
}
return true;
}
/**
* Account control options
*
* @param array $options The options to convert to int
* @return int
*/
protected function accountControl($options)
{
$val=0;
if (is_array($options)) {
if (in_array("SCRIPT",$options)){ $val=$val+1; }
if (in_array("ACCOUNTDISABLE",$options)){ $val=$val+2; }
if (in_array("HOMEDIR_REQUIRED",$options)){ $val=$val+8; }
if (in_array("LOCKOUT",$options)){ $val=$val+16; }
if (in_array("PASSWD_NOTREQD",$options)){ $val=$val+32; }
//PASSWD_CANT_CHANGE Note You cannot assign this permission by directly modifying the UserAccountControl attribute.
//For information about how to set the permission programmatically, see the "Property flag descriptions" section.
if (in_array("ENCRYPTED_TEXT_PWD_ALLOWED",$options)){ $val=$val+128; }
if (in_array("TEMP_DUPLICATE_ACCOUNT",$options)){ $val=$val+256; }
if (in_array("NORMAL_ACCOUNT",$options)){ $val=$val+512; }
if (in_array("INTERDOMAIN_TRUST_ACCOUNT",$options)){ $val=$val+2048; }
if (in_array("WORKSTATION_TRUST_ACCOUNT",$options)){ $val=$val+4096; }
if (in_array("SERVER_TRUST_ACCOUNT",$options)){ $val=$val+8192; }
if (in_array("DONT_EXPIRE_PASSWORD",$options)){ $val=$val+65536; }
if (in_array("MNS_LOGON_ACCOUNT",$options)){ $val=$val+131072; }
if (in_array("SMARTCARD_REQUIRED",$options)){ $val=$val+262144; }
if (in_array("TRUSTED_FOR_DELEGATION",$options)){ $val=$val+524288; }
if (in_array("NOT_DELEGATED",$options)){ $val=$val+1048576; }
if (in_array("USE_DES_KEY_ONLY",$options)){ $val=$val+2097152; }
if (in_array("DONT_REQ_PREAUTH",$options)){ $val=$val+4194304; }
if (in_array("PASSWORD_EXPIRED",$options)){ $val=$val+8388608; }
if (in_array("TRUSTED_TO_AUTH_FOR_DELEGATION",$options)){ $val=$val+16777216; }
}
return $val;
}
/**
* Delete a user account
*
* @param string $username The username to delete (please be careful here!)
* @param bool $isGUID Is the username a GUID or a samAccountName
* @return array
*/
public function delete($username, $isGUID = false)
{
$userinfo = $this->info($username, array("*"), $isGUID);
$dn = $userinfo[0]['distinguishedname'][0];
$result = $this->adldap->folder()->delete($dn);
if ($result != true) {
return false;
}
return true;
}
/**
* Groups the user is a member of
*
* @param string $username The username to query
* @param bool $recursive Recursive list of groups
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @return array
*/
public function groups($username, $recursive = NULL, $isGUID = false)
{
if ($username === NULL) { return false; }
if ($recursive === NULL) { $recursive = $this->adldap->getRecursiveGroups(); } // Use the default option if they haven't set it
if (!$this->adldap->getLdapBind()) { return false; }
// Search the directory for their information
$info = @$this->info($username, array("memberof", "primarygroupid"), $isGUID);
$groups = $this->adldap->utilities()->niceNames($info[0]["memberof"]); // Presuming the entry returned is our guy (unique usernames)
if ($recursive === true){
foreach ($groups as $id => $groupName){
$extraGroups = $this->adldap->group()->recursiveGroups($groupName);
$groups = array_merge($groups, $extraGroups);
}
}
return $groups;
}
/**
* Find information about the users. Returned in a raw array format from AD
*
* @param string $username The username to query
* @param array $fields Array of parameters to query
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @return array
*/
public function info($username, $fields = NULL, $isGUID = false)
{
if ($username === NULL) { return false; }
if (!$this->adldap->getLdapBind()) { return false; }
if ($isGUID === true) {
$username = $this->adldap->utilities()->strGuidToHex($username);
$filter = "objectguid=" . $username;
}
else if (strstr($username, "@")) {
$filter = "userPrincipalName=" . $username;
}
else {
$filter = "samaccountname=" . $username;
}
$filter = "(&(objectCategory=person)({$filter}))";
if ($fields === NULL) {
$fields = array("samaccountname","mail","memberof","department","displayname","telephonenumber","primarygroupid","objectsid");
}
if (!in_array("objectsid", $fields)) {
$fields[] = "objectsid";
}
$sr = ldap_search($this->adldap->getLdapConnection(), $this->adldap->getBaseDn(), $filter, $fields);
$entries = ldap_get_entries($this->adldap->getLdapConnection(), $sr);
if (isset($entries[0])) {
if ($entries[0]['count'] >= 1) {
if (in_array("memberof", $fields)) {
// AD does not return the primary group in the ldap query, we may need to fudge it
if ($this->adldap->getRealPrimaryGroup() && isset($entries[0]["primarygroupid"][0]) && isset($entries[0]["objectsid"][0])){
//$entries[0]["memberof"][]=$this->group_cn($entries[0]["primarygroupid"][0]);
$entries[0]["memberof"][] = $this->adldap->group()->getPrimaryGroup($entries[0]["primarygroupid"][0], $entries[0]["objectsid"][0]);
} else {
$entries[0]["memberof"][] = "CN=Domain Users,CN=Users," . $this->adldap->getBaseDn();
}
if (!isset($entries[0]["memberof"]["count"])) {
$entries[0]["memberof"]["count"] = 0;
}
$entries[0]["memberof"]["count"]++;
}
}
return $entries;
}
return false;
}
/**
* Find information about the users. Returned in a raw array format from AD
*
* @param string $username The username to query
* @param array $fields Array of parameters to query
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @return mixed
*/
public function infoCollection($username, $fields = NULL, $isGUID = false)
{
if ($username === NULL) { return false; }
if (!$this->adldap->getLdapBind()) { return false; }
$info = $this->info($username, $fields, $isGUID);
if ($info !== false) {
$collection = new adLDAPUserCollection($info, $this->adldap);
return $collection;
}
return false;
}
/**
* Determine if a user is in a specific group
*
* @param string $username The username to query
* @param string $group The name of the group to check against
* @param bool $recursive Check groups recursively
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @return bool
*/
public function inGroup($username, $group, $recursive = NULL, $isGUID = false)
{
if ($username === NULL) { return false; }
if ($group === NULL) { return false; }
if (!$this->adldap->getLdapBind()) { return false; }
if ($recursive === NULL) { $recursive = $this->adldap->getRecursiveGroups(); } // Use the default option if they haven't set it
// Get a list of the groups
$groups = $this->groups($username, $recursive, $isGUID);
// Return true if the specified group is in the group list
if (in_array($group, $groups)) {
return true;
}
return false;
}
/**
* Determine a user's password expiry date
*
* @param string $username The username to query
* @param book $isGUID Is the username passed a GUID or a samAccountName
* @requires bcmath http://php.net/manual/en/book.bc.php
* @return array
*/
public function passwordExpiry($username, $isGUID = false)
{
if ($username === NULL) { return "Missing compulsory field [username]"; }
if (!$this->adldap->getLdapBind()) { return false; }
if (!function_exists('bcmod')) { throw new adLDAPException("Missing function support [bcmod] http://php.net/manual/en/book.bc.php"); };
$userInfo = $this->info($username, array("pwdlastset", "useraccountcontrol"), $isGUID);
$pwdLastSet = $userInfo[0]['pwdlastset'][0];
$status = array();
if ($userInfo[0]['useraccountcontrol'][0] == '66048') {
// Password does not expire
return "Does not expire";
}
if ($pwdLastSet === '0') {
// Password has already expired
return "Password has expired";
}
// Password expiry in AD can be calculated from TWO values:
// - User's own pwdLastSet attribute: stores the last time the password was changed
// - Domain's maxPwdAge attribute: how long passwords last in the domain
//
// Although Microsoft chose to use a different base and unit for time measurements.
// This function will convert them to Unix timestamps
$sr = ldap_read($this->adldap->getLdapConnection(), $this->adldap->getBaseDn(), 'objectclass=*', array('maxPwdAge'));
if (!$sr) {
return false;
}
$info = ldap_get_entries($this->adldap->getLdapConnection(), $sr);
$maxPwdAge = $info[0]['maxpwdage'][0];
// See MSDN: http://msdn.microsoft.com/en-us/library/ms974598.aspx
//
// pwdLastSet contains the number of 100 nanosecond intervals since January 1, 1601 (UTC),
// stored in a 64 bit integer.
//
// The number of seconds between this date and Unix epoch is 11644473600.
//
// maxPwdAge is stored as a large integer that represents the number of 100 nanosecond
// intervals from the time the password was set before the password expires.
//
// We also need to scale this to seconds but also this value is a _negative_ quantity!
//
// If the low 32 bits of maxPwdAge are equal to 0 passwords do not expire
//
// Unfortunately the maths involved are too big for PHP integers, so I've had to require
// BCMath functions to work with arbitrary precision numbers.
if (bcmod($maxPwdAge, 4294967296) === '0') {
return "Domain does not expire passwords";
}
// Add maxpwdage and pwdlastset and we get password expiration time in Microsoft's
// time units. Because maxpwd age is negative we need to subtract it.
$pwdExpire = bcsub($pwdLastSet, $maxPwdAge);
// Convert MS's time to Unix time
$status['expiryts'] = bcsub(bcdiv($pwdExpire, '10000000'), '11644473600');
$status['expiryformat'] = date('Y-m-d H:i:s', bcsub(bcdiv($pwdExpire, '10000000'), '11644473600'));
return $status;
}
/**
* Modify a user
*
* @param string $username The username to query
* @param array $attributes The attributes to modify. Note if you set the enabled attribute you must not specify any other attributes
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @return bool
*/
public function modify($username, $attributes, $isGUID = false)
{
if ($username === NULL) { return "Missing compulsory field [username]"; }
if (array_key_exists("password", $attributes) && !$this->adldap->getUseSSL() && !$this->adldap->getUseTLS()) {
throw new adLDAPException('SSL/TLS must be configured on your webserver and enabled in the class to set passwords.');
}
// Find the dn of the user
$userDn = $this->dn($username, $isGUID);
if ($userDn === false) {
return false;
}
// Translate the update to the LDAP schema
$mod = $this->adldap->adldap_schema($attributes);
// Check to see if this is an enabled status update
if (!$mod && !array_key_exists("enabled", $attributes)){
return false;
}
// Set the account control attribute (only if specified)
if (array_key_exists("enabled", $attributes)){
if ($attributes["enabled"]){
$controlOptions = array("NORMAL_ACCOUNT");
}
else {
$controlOptions = array("NORMAL_ACCOUNT", "ACCOUNTDISABLE");
}
$mod["userAccountControl"][0] = $this->accountControl($controlOptions);
}
// Do the update
$result = @ldap_modify($this->adldap->getLdapConnection(), $userDn, $mod);
if ($result == false) {
return false;
}
return true;
}
/**
* Disable a user account
*
* @param string $username The username to disable
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @return bool
*/
public function disable($username, $isGUID = false)
{
if ($username === NULL) { return "Missing compulsory field [username]"; }
$attributes = array("enabled" => 0);
$result = $this->modify($username, $attributes, $isGUID);
if ($result == false) { return false; }
return true;
}
/**
* Enable a user account
*
* @param string $username The username to enable
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @return bool
*/
public function enable($username, $isGUID = false)
{
if ($username === NULL) { return "Missing compulsory field [username]"; }
$attributes = array("enabled" => 1);
$result = $this->modify($username, $attributes, $isGUID);
if ($result == false) { return false; }
return true;
}
/**
* Set the password of a user - This must be performed over SSL
*
* @param string $username The username to modify
* @param string $password The new password
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @return bool
*/
public function password($username, $password, $isGUID = false)
{
if ($username === NULL) { return false; }
if ($password === NULL) { return false; }
if (!$this->adldap->getLdapBind()) { return false; }
if (!$this->adldap->getUseSSL() && !$this->adldap->getUseTLS()) {
throw new adLDAPException('SSL must be configured on your webserver and enabled in the class to set passwords.');
}
$userDn = $this->dn($username, $isGUID);
if ($userDn === false) {
return false;
}
$add=array();
$add["unicodePwd"][0] = $this->encodePassword($password);
$result = @ldap_mod_replace($this->adldap->getLdapConnection(), $userDn, $add);
if ($result === false){
$err = ldap_errno($this->adldap->getLdapConnection());
if ($err) {
$msg = 'Error ' . $err . ': ' . ldap_err2str($err) . '.';
if($err == 53) {
$msg .= ' Your password might not match the password policy.';
}
throw new adLDAPException($msg);
}
else {
return false;
}
}
return true;
}
/**
* Encode a password for transmission over LDAP
*
* @param string $password The password to encode
* @return string
*/
public function encodePassword($password)
{
$password="\"".$password."\"";
$encoded="";
for ($i=0; $i <strlen($password); $i++){ $encoded.="{$password[$i]}\000"; }
return $encoded;
}
/**
* Obtain the user's distinguished name based on their userid
*
*
* @param string $username The username
* @param bool $isGUID Is the username passed a GUID or a samAccountName
* @return string
*/
public function dn($username, $isGUID=false)
{
$user = $this->info($username, array("cn"), $isGUID);
if ($user[0]["dn"] === NULL) {
return false;
}
$userDn = $user[0]["dn"];
return $userDn;
}
/**
* Return a list of all users in AD
*
* @param bool $includeDescription Return a description of the user
* @param string $search Search parameter
* @param bool $sorted Sort the user accounts
* @return array
*/
public function all($includeDescription = false, $search = "*", $sorted = true)
{
if (!$this->adldap->getLdapBind()) { return false; }
// Perform the search and grab all their details
$filter = "(&(objectClass=user)(samaccounttype=" . adLDAP::ADLDAP_NORMAL_ACCOUNT .")(objectCategory=person)(cn=" . $search . "))";
$fields = array("samaccountname","displayname");
$sr = ldap_search($this->adldap->getLdapConnection(), $this->adldap->getBaseDn(), $filter, $fields);
$entries = ldap_get_entries($this->adldap->getLdapConnection(), $sr);
$usersArray = array();
for ($i=0; $i<$entries["count"]; $i++){
if ($includeDescription && strlen($entries[$i]["displayname"][0])>0){
$usersArray[$entries[$i]["samaccountname"][0]] = $entries[$i]["displayname"][0];
} elseif ($includeDescription){
$usersArray[$entries[$i]["samaccountname"][0]] = $entries[$i]["samaccountname"][0];
} else {
array_push($usersArray, $entries[$i]["samaccountname"][0]);
}
}
if ($sorted) {
Sort::asort($usersArray);
}
return $usersArray;
}
/**
* Converts a username (samAccountName) to a GUID
*
* @param string $username The username to query
* @return string
*/
public function usernameToGuid($username)
{
if (!$this->adldap->getLdapBind()){ return false; }
if ($username === null){ return "Missing compulsory field [username]"; }
$filter = "samaccountname=" . $username;
$fields = array("objectGUID");
$sr = @ldap_search($this->adldap->getLdapConnection(), $this->adldap->getBaseDn(), $filter, $fields);
if (ldap_count_entries($this->adldap->getLdapConnection(), $sr) > 0) {
$entry = @ldap_first_entry($this->adldap->getLdapConnection(), $sr);
$guid = @ldap_get_values_len($this->adldap->getLdapConnection(), $entry, 'objectGUID');
$strGUID = $this->adldap->utilities()->binaryToText($guid[0]);
return $strGUID;
}
return false;
}
/**
* Return a list of all users in AD that have a specific value in a field
*
* @param bool $includeDescription Return a description of the user
* @param string $searchField Field to search search for
* @param string $searchFilter Value to search for in the specified field
* @param bool $sorted Sort the user accounts
* @return array
*/
public function find($includeDescription = false, $searchField = false, $searchFilter = false, $sorted = true){
if (!$this->adldap->getLdapBind()){ return false; }
// Perform the search and grab all their details
$searchParams = "";
if ($searchField) {
$searchParams = "(" . $searchField . "=" . $searchFilter . ")";
}
$filter = "(&(objectClass=user)(samaccounttype=" . adLDAP::ADLDAP_NORMAL_ACCOUNT .")(objectCategory=person)" . $searchParams . ")";
$fields = array("samaccountname","displayname");
$sr = ldap_search($this->adldap->getLdapConnection(), $this->adldap->getBaseDn(), $filter, $fields);
$entries = ldap_get_entries($this->adldap->getLdapConnection(), $sr);
$usersArray = array();
for ($i=0; $i < $entries["count"]; $i++) {
if ($includeDescription && strlen($entries[$i]["displayname"][0]) > 0) {
$usersArray[$entries[$i]["samaccountname"][0]] = $entries[$i]["displayname"][0];
}
else if ($includeDescription) {
$usersArray[$entries[$i]["samaccountname"][0]] = $entries[$i]["samaccountname"][0];
}
else {
array_push($usersArray, $entries[$i]["samaccountname"][0]);
}
}
if ($sorted){
Sort::asort($usersArray);
}
return ($usersArray);
}
/**
* Move a user account to a different OU
*
* @param string $username The username to move (please be careful here!)
* @param array $container The container or containers to move the user to (please be careful here!).
* accepts containers in 1. parent 2. child order
* @return array
*/
public function move($username, $container)
{
if (!$this->adldap->getLdapBind()) { return false; }
if ($username === null) { return "Missing compulsory field [username]"; }
if ($container === null) { return "Missing compulsory field [container]"; }
if (!is_array($container)) { return "Container must be an array"; }
$userInfo = $this->info($username, array("*"));
$dn = $userInfo[0]['distinguishedname'][0];
$newRDn = "cn=" . $username;
$container = array_reverse($container);
$newContainer = "ou=" . implode(",ou=",$container);
$newBaseDn = strtolower($newContainer) . "," . $this->adldap->getBaseDn();
$result = @ldap_rename($this->adldap->getLdapConnection(), $dn, $newRDn, $newBaseDn, true);
if ($result !== true) {
return false;
}
return true;
}
/**
* Get the last logon time of any user as a Unix timestamp
*
* @param string $username
* @return long $unixTimestamp
*/
public function getLastLogon($username) {
if (!$this->adldap->getLdapBind()) { return false; }
if ($username === null) { return "Missing compulsory field [username]"; }
$userInfo = $this->info($username, array("lastLogonTimestamp"));
$lastLogon = adLDAPUtils::convertWindowsTimeToUnixTime($userInfo[0]['lastLogonTimestamp'][0]);
return $lastLogon;
}
}
?>