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https://github.com/snipe/snipe-it.git
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28edf13457
* Fix errors and exception when ldap settings are empty (even with ldap disabled) * Re-add newline at the end of file
433 lines
12 KiB
PHP
433 lines
12 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Models;
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use Exception;
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use Adldap\Adldap;
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use App\Traits\UserTrait;
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use Adldap\Query\Paginator;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\Log;
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use Adldap\Models\User as AdldapUser;
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use Adldap\Models\ModelNotFoundException;
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/**
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* LDAP queries.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*/
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class LdapAd extends LdapAdConfiguration
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{
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use UserTrait;
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/**
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* @see https://wdmsb.wordpress.com/2014/12/03/descriptions-of-active-directory-useraccountcontrol-value/
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*/
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const AD_USER_ACCOUNT_CONTROL_FLAGS = ['512', '544', '66048', '66080', '262656', '262688', '328192', '328224'];
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/**
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* The LDAP results per page.
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*/
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const PAGE_SIZE = 500;
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/**
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* A base dn.
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*
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* @var string
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*/
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public $baseDn = null;
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/**
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* Adldap instance.
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*
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* @var \Adldap\Adldap
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*/
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protected $ldap;
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/**
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* __construct.
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*/
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public function __construct()
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{
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parent::__construct();
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if($this->isLdapEnabled()) {
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$this->ldap = new Adldap();
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$this->ldap->addProvider($this->ldapConfig);
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}
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}
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/**
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* Create a user if they successfully login to the LDAP server.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @param string $username
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* @param string $password
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*
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* @return \App\Models\User
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*
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* @throws Exception
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*/
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public function ldapLogin(string $username, string $password): User
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{
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try {
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$this->ldap->auth()->attempt($username, $password);
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} catch (Exception $e) {
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Log::error($e->getMessage());
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throw new Exception('Unable to validate user credentials!');
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}
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// Should we sync the logged in user
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if ($this->isLdapSync($record)) {
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try {
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Log::debug('Attempting to find user in LDAP directory');
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$record = $this->ldap->search()->findBy($this->ldapSettings['ldap_username_field'], $username);
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} catch (ModelNotFoundException $e) {
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Log::error($e->getMessage());
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throw new Exception('Unable to find user in LDAP directory!');
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}
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$this->syncUserLdapLogin($record, $password);
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}
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return User::where('username', $username)
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->whereNull('deleted_at')->where('ldap_import', '=', 1)
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->where('activated', '=', '1')->first();
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}
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/**
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* Set the user information based on the LDAP settings.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @param \Adldap\Models\User $user
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* @param null|Collection $defaultLocation
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* @param null|Collection $mappedLocations
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*
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* @return null|\App\Models\User
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*/
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public function processUser(AdldapUser $user, ?Collection $defaultLocation=null, ?Collection $mappedLocations=null): ?User
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{
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// Only sync active users
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if ($this->isLdapSync($user)) {
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$snipeUser = [];
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$snipeUser['username'] = $user->{$this->ldapSettings['ldap_username_field']}[0] ?? '';
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$snipeUser['employee_number'] = $user->{$this->ldapSettings['ldap_emp_num']}[0] ?? '';
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$snipeUser['lastname'] = $user->{$this->ldapSettings['ldap_lname_field']}[0] ?? '';
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$snipeUser['firstname'] = $user->{$this->ldapSettings['ldap_fname_field']}[0] ?? '';
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$snipeUser['email'] = $user->{$this->ldapSettings['ldap_email']}[0] ?? '';
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$snipeUser['location_id'] = $this->getLocationId($user, $defaultLocation, $mappedLocations);
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$snipeUser['activated'] = $this->getActiveStatus($user);
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return $this->setUserModel($snipeUser);
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}
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// We are not syncing user info
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return null;
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}
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/**
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* Set the User model information.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @param array $userInfo The user info to save to the database
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*
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* @return \App\Models\User
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*/
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public function setUserModel(array $userInfo): User
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{
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// If the username exists, return the user object, otherwise create a new user object
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$user = User::firstOrNew([
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'username' => $userInfo['username'],
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]);
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$user->username = $user->username ?? trim($userInfo['username']);
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$user->password = $user->password ?? $this->generateEncyrptedPassword();
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$user->first_name = trim($userInfo['firstname']);
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$user->last_name = trim($userInfo['lastname']);
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$user->email = trim($userInfo['email']);
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$user->employee_num = trim($userInfo['employee_number']);
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$user->activated = $userInfo['activated'];
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$user->location_id = $userInfo['location_id'];
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$user->notes = 'Imported from LDAP';
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$user->ldap_import = 1;
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return $user;
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}
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/**
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* Sync a user who has logged in by LDAP.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @param \Adldap\Models\User $record
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* @param string $password
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*
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* @throws Exception
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*/
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private function syncUserLdapLogin(AdldapUser $record, string $password): void
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{
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$user = $this->processUser($record);
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if (is_null($user->last_login)) {
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$user->notes = 'Imported on first login from LDAP2';
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}
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if ($this->ldapSettings['ldap_pw_sync']) {
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Log::debug('Syncing users password with LDAP directory.');
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$user->password = bcrypt($password);
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}
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if (!$user->save()) {
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Log::debug('Could not save user. '.$user->getErrors());
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throw new Exception('Could not save user: '.$user->getErrors());
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}
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}
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/**
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* Check to see if we should sync the user with the LDAP directory.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @param \Adldap\Models\User $user
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*
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* @return bool
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*/
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private function isLdapSync(AdldapUser $user): bool
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{
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return (false === $this->ldapSettings['ldap_active_flag'])
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|| ('true' == strtolower($user->{$this->ldapSettings['ldap_active_flag']}[0]));
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}
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/**
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* Set the active status of the user.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @param \Adldap\Models\User $user
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*
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* @return int
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*/
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private function getActiveStatus(AdldapUser $user): int
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{
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$activeStatus = 0;
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/*
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* Check to see if we are connected to an AD server
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* if so, check the Active Directory User Account Control Flags
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*/
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if ($this->ldapSettings['is_ad']) {
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$activeStatus = (in_array($user->getUserAccountControl(), self::AD_USER_ACCOUNT_CONTROL_FLAGS)) ? 1 : 0;
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} else {
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// If there is no activated flag, assume this is handled via the OU and activate the users
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if (false === $this->ldapSettings['ldap_active_flag']) {
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$activeStatus = 1;
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}
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}
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return $activeStatus;
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}
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/**
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* Get a default selected location, or a OU mapped location if available.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @param Adldap\Models\User $user
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* @param Collection|null $defaultLocation
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* @param Collection|null $mappedLocations
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*
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* @return null|int
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*/
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private function getLocationId(AdldapUser $user, ?Collection $defaultLocation, ?Collection $mappedLocations): ?int
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{
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$locationId = null;
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// Set the users default locations, if set
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if ($defaultLocation) {
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$locationId = $defaultLocation->keys()->first();
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}
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// Check to see if the user is in a mapped location
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if ($mappedLocations) {
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$location = $mappedLocations->filter(function ($value, $key) use ($user) {
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if ($user->inGroup([$value], true)) {
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return $key;
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}
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});
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if ($location->count() > 0) {
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$locationId = $location->keys()->first();
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}
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}
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return $locationId;
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}
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/**
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* Get the base dn for the query.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @return string
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*/
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private function getBaseDn(): string
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{
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if (!is_null($this->baseDn)) {
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return $this->baseDn;
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}
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return $this->ldapSettings['ldap_basedn'];
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}
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/**
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* Format the ldap filter if needed.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @return null|string
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*/
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private function getFilter(): ?string
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{
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$filter = $this->ldapSettings['ldap_filter'];
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if ('' === $filter) {
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return null;
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}
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// Add surrounding parentheses as needed
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$paren = mb_substr($filter, 0, 1, 'utf-8');
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if ('(' !== $paren) {
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return '('.$filter.')';
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}
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return $filter;
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}
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/**
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* Get the selected fields to return
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* This should help with memory on large result sets as we are not returning all fields.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @return array
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*/
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private function getSelectedFields(): array
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{
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return [
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$this->ldapSettings['ldap_username_field'],
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$this->ldapSettings['ldap_fname_field'],
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$this->ldapSettings['ldap_lname_field'],
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$this->ldapSettings['ldap_email'],
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$this->ldapSettings['ldap_emp_num'],
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'memberOf',
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'useraccountcontrol',
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];
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}
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/**
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* Test the bind user connection.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*/
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public function testLdapAdBindConnection(): void
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{
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try {
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$this->ldap->search()->ous()->get()->count();
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} catch (Exception $th) {
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Log::error($th->getMessage());
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throw new Exception('Unable to search LDAP directory!');
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}
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}
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/**
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* Test the user can connect to the LDAP server.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*/
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public function testLdapAdUserConnection(): void
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{
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try {
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$this->ldap->connect();
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} catch (\Adldap\Auth\BindException $e) {
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Log::error($e);
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throw new Exception('Unable to connect to LDAP directory!');
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}
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}
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/**
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* Test the LDAP configuration by returning up to 10 users.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @return Collection
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*/
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public function testUserImportSync(): Collection
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{
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$testUsers = collect($this->getLdapUsers()->getResults())->chunk(10)->first();
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if ($testUsers) {
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return $testUsers->map(function ($item) {
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return (object) [
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'username' => $item->{$this->ldapSettings['ldap_username_field']}[0] ?? null,
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'employee_number' => $item->{$this->ldapSettings['ldap_emp_num']}[0] ?? null,
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'lastname' => $item->{$this->ldapSettings['ldap_lname_field']}[0] ?? null,
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'firstname' => $item->{$this->ldapSettings['ldap_fname_field']}[0] ?? null,
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'email' => $item->{$this->ldapSettings['ldap_email']}[0] ?? null,
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];
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});
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}
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return collect();
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}
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/**
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* Query the LDAP server to get the users to process and return a page set.
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*
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* @author Wes Hulette <jwhulette@gmail.com>
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*
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* @since 5.0.0
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*
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* @param int $page The paged results to get
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*
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* @return \Adldap\Query\Paginator
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*/
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public function getLdapUsers(int $page=0): Paginator
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{
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$search = $this->ldap->search()->users()->in($this->getBaseDn());
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$filter = $this->getFilter();
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if (!is_null($filter)) {
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$search = $search->rawFilter($filter);
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}
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return $search->select($this->getSelectedFields())
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->paginate(self::PAGE_SIZE, $page);
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}
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}
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