mirror of
https://github.com/snipe/snipe-it.git
synced 2024-11-17 11:04:07 -08:00
380 lines
18 KiB
PHP
Executable file
380 lines
18 KiB
PHP
Executable file
<?php
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namespace App\Console\Commands;
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use App\Models\Department;
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use App\Models\Group;
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use Illuminate\Console\Command;
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use App\Models\Setting;
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use App\Models\Ldap;
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use App\Models\User;
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use App\Models\Location;
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use Log;
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class LdapSync extends Command
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{
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/**
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* The name and signature of the console command.
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*
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* @var string
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*/
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protected $signature = 'snipeit:ldap-sync {--location=} {--location_id=} {--base_dn=} {--filter=} {--summary} {--json_summary}';
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/**
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* The console command description.
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*
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* @var string
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*/
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protected $description = 'Command line LDAP sync';
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/**
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* Create a new command instance.
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*
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* @return void
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*/
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public function __construct()
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{
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parent::__construct();
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}
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/**
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* Execute the console command.
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*
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* @return mixed
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*/
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public function handle()
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{
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// If LDAP enabled isn't set to 1 (ldap_enabled!=1) then we should cut this short immediately without going any further
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if (Setting::getSettings()->ldap_enabled!='1') {
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$this->error('LDAP is not enabled. Aborting. See Settings > LDAP to enable it.');
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exit();
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}
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ini_set('max_execution_time', env('LDAP_TIME_LIM', 600)); //600 seconds = 10 minutes
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ini_set('memory_limit', env('LDAP_MEM_LIM', '500M'));
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$ldap_result_username = Setting::getSettings()->ldap_username_field;
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$ldap_result_last_name = Setting::getSettings()->ldap_lname_field;
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$ldap_result_first_name = Setting::getSettings()->ldap_fname_field;
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$ldap_result_active_flag = Setting::getSettings()->ldap_active_flag;
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$ldap_result_emp_num = Setting::getSettings()->ldap_emp_num;
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$ldap_result_email = Setting::getSettings()->ldap_email;
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$ldap_result_phone = Setting::getSettings()->ldap_phone_field;
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$ldap_result_jobtitle = Setting::getSettings()->ldap_jobtitle;
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$ldap_result_country = Setting::getSettings()->ldap_country;
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$ldap_result_dept = Setting::getSettings()->ldap_dept;
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$ldap_result_manager = Setting::getSettings()->ldap_manager;
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$ldap_default_group = Setting::getSettings()->ldap_default_group;
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try {
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$ldapconn = Ldap::connectToLdap();
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Ldap::bindAdminToLdap($ldapconn);
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} catch (\Exception $e) {
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if ($this->option('json_summary')) {
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$json_summary = ['error' => true, 'error_message' => $e->getMessage(), 'summary' => []];
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$this->info(json_encode($json_summary));
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}
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Log::info($e);
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return [];
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}
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$summary = [];
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try {
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if ($this->option('base_dn') != '') {
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$search_base = $this->option('base_dn');
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Log::debug('Importing users from specified base DN: \"'.$search_base.'\".');
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} else {
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$search_base = null;
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}
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if ($this->option('filter') != '') {
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$results = Ldap::findLdapUsers($search_base, -1, $this->option('filter'));
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} else {
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$results = Ldap::findLdapUsers($search_base);
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}
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} catch (\Exception $e) {
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if ($this->option('json_summary')) {
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$json_summary = ['error' => true, 'error_message' => $e->getMessage(), 'summary' => []];
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$this->info(json_encode($json_summary));
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}
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Log::info($e);
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return [];
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}
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/* Determine which location to assign users to by default. */
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$location = null; // TODO - this would be better called "$default_location", which is more explicit about its purpose
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if ($this->option('location') != '') {
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$location = Location::where('name', '=', $this->option('location'))->first();
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Log::debug('Location name '.$this->option('location').' passed');
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Log::debug('Importing to '.$location->name.' ('.$location->id.')');
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} elseif ($this->option('location_id') != '') {
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$location = Location::where('id', '=', $this->option('location_id'))->first();
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Log::debug('Location ID '.$this->option('location_id').' passed');
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Log::debug('Importing to '.$location->name.' ('.$location->id.')');
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}
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if (! isset($location)) {
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Log::debug('That location is invalid or a location was not provided, so no location will be assigned by default.');
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}
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/* Process locations with explicitly defined OUs, if doing a full import. */
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if ($this->option('base_dn') == '' && $this->option('filter') == '') {
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// Retrieve locations with a mapped OU, and sort them from the shallowest to deepest OU (see #3993)
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$ldap_ou_locations = Location::where('ldap_ou', '!=', '')->get()->toArray();
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$ldap_ou_lengths = [];
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foreach ($ldap_ou_locations as $ou_loc) {
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$ldap_ou_lengths[] = strlen($ou_loc['ldap_ou']);
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}
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array_multisort($ldap_ou_lengths, SORT_ASC, $ldap_ou_locations);
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if (count($ldap_ou_locations) > 0) {
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Log::debug('Some locations have special OUs set. Locations will be automatically set for users in those OUs.');
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}
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// Inject location information fields
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for ($i = 0; $i < $results['count']; $i++) {
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$results[$i]['ldap_location_override'] = false;
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$results[$i]['location_id'] = 0;
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}
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// Grab subsets based on location-specific DNs, and overwrite location for these users.
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foreach ($ldap_ou_locations as $ldap_loc) {
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try {
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$location_users = Ldap::findLdapUsers($ldap_loc['ldap_ou']);
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} catch (\Exception $e) { // TODO: this is stolen from line 77 or so above
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if ($this->option('json_summary')) {
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$json_summary = ['error' => true, 'error_message' => trans('admin/users/message.error.ldap_could_not_search').' Location: '.$ldap_loc['name'].' (ID: '.$ldap_loc['id'].') cannot connect to "'.$ldap_loc['ldap_ou'].'" - '.$e->getMessage(), 'summary' => []];
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$this->info(json_encode($json_summary));
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}
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Log::info($e);
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return [];
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}
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$usernames = [];
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for ($i = 0; $i < $location_users['count']; $i++) {
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if (array_key_exists($ldap_result_username, $location_users[$i])) {
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$location_users[$i]['ldap_location_override'] = true;
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$location_users[$i]['location_id'] = $ldap_loc['id'];
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$usernames[] = $location_users[$i][$ldap_result_username][0];
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}
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}
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// Delete located users from the general group.
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foreach ($results as $key => $generic_entry) {
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if ((is_array($generic_entry)) && (array_key_exists($ldap_result_username, $generic_entry))) {
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if (in_array($generic_entry[$ldap_result_username][0], $usernames)) {
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unset($results[$key]);
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}
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}
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}
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$global_count = $results['count'];
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$results = array_merge($location_users, $results);
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$results['count'] = $global_count;
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}
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}
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/* Create user account entries in Snipe-IT */
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$tmp_pass = substr(str_shuffle('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'), 0, 20);
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$pass = bcrypt($tmp_pass);
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$manager_cache = [];
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if($ldap_default_group != null) {
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$default = Group::find($ldap_default_group);
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if (!$default) {
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$ldap_default_group = null; // un-set the default group if that group doesn't exist
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}
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}
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for ($i = 0; $i < $results['count']; $i++) {
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$item = [];
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$item['username'] = $results[$i][$ldap_result_username][0] ?? '';
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$item['employee_number'] = $results[$i][$ldap_result_emp_num][0] ?? '';
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$item['lastname'] = $results[$i][$ldap_result_last_name][0] ?? '';
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$item['firstname'] = $results[$i][$ldap_result_first_name][0] ?? '';
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$item['email'] = $results[$i][$ldap_result_email][0] ?? '';
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$item['ldap_location_override'] = $results[$i]['ldap_location_override'] ?? '';
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$item['location_id'] = $results[$i]['location_id'] ?? '';
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$item['telephone'] = $results[$i][$ldap_result_phone][0] ?? '';
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$item['jobtitle'] = $results[$i][$ldap_result_jobtitle][0] ?? '';
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$item['country'] = $results[$i][$ldap_result_country][0] ?? '';
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$item['department'] = $results[$i][$ldap_result_dept][0] ?? '';
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$item['manager'] = $results[$i][$ldap_result_manager][0] ?? '';
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$department = Department::firstOrCreate([
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'name' => $item['department'],
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]);
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$user = User::where('username', $item['username'])->first();
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if ($user) {
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// Updating an existing user.
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$item['createorupdate'] = 'updated';
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} else {
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// Creating a new user.
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$user = new User;
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$user->password = $pass;
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$user->activated = 1; // newly created users can log in by default, unless AD's UAC is in use, or an active flag is set (below)
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$item['createorupdate'] = 'created';
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}
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$user->first_name = $item['firstname'];
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$user->last_name = $item['lastname'];
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$user->username = $item['username'];
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$user->email = $item['email'];
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$user->employee_num = e($item['employee_number']);
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$user->phone = $item['telephone'];
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$user->jobtitle = $item['jobtitle'];
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$user->country = $item['country'];
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$user->department_id = $department->id;
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if($item['manager'] != null) {
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// Check Cache first
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if (isset($manager_cache[$item['manager']])) {
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// found in cache; use that and avoid extra lookups
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$user->manager_id = $manager_cache[$item['manager']];
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} else {
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// Get the LDAP Manager
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try {
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$ldap_manager = Ldap::findLdapUsers($item['manager'], -1, $this->option('filter'));
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} catch (\Exception $e) {
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\Log::warning("Manager lookup caused an exception: " . $e->getMessage() . ". Falling back to direct username lookup");
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// Hail-mary for Okta manager 'shortnames' - will only work if
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// Okta configuration is using full email-address-style usernames
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$ldap_manager = [
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"count" => 1,
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0 => [
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$ldap_result_username => [$item['manager']]
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]
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];
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}
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if ($ldap_manager["count"] > 0) {
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// Get the Manager's username
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// PHP LDAP returns every LDAP attribute as an array, and 90% of the time it's an array of just one item. But, hey, it's an array.
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$ldapManagerUsername = $ldap_manager[0][$ldap_result_username][0];
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// Get User from Manager username.
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$ldap_manager = User::where('username', $ldapManagerUsername)->first();
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if ($ldap_manager && isset($ldap_manager->id)) {
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// Link user to manager id.
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$user->manager_id = $ldap_manager->id;
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}
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}
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$manager_cache[$item['manager']] = $ldap_manager && isset($ldap_manager->id) ? $ldap_manager->id : null; // Store results in cache, even if 'failed'
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}
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}
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// Sync activated state for Active Directory.
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if ( !empty($ldap_result_active_flag)) { // IF we have an 'active' flag set....
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// ....then *most* things that are truthy will activate the user. Anything falsey will deactivate them.
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// (Specifically, we don't handle a value of '0.0' correctly)
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$raw_value = @$results[$i][$ldap_result_active_flag][0];
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$filter_var = filter_var($raw_value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
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$boolean_cast = (bool)$raw_value;
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$user->activated = $filter_var ?? $boolean_cast; // if filter_var() was true or false, use that. If it's null, use the $boolean_cast
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} elseif (array_key_exists('useraccountcontrol', $results[$i]) ) {
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// ....otherwise, (ie if no 'active' LDAP flag is defined), IF the UAC setting exists,
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// ....then use the UAC setting on the account to determine can-log-in vs. cannot-log-in
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/* The following is _probably_ the correct logic, but we can't use it because
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some users may have been dependent upon the previous behavior, and this
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could cause additional access to be available to users they don't want
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to allow to log in.
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$useraccountcontrol = $results[$i]['useraccountcontrol'][0];
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if(
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// based on MS docs at: https://support.microsoft.com/en-us/help/305144/how-to-use-useraccountcontrol-to-manipulate-user-account-properties
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($useraccountcontrol & 0x200) && // is a NORMAL_ACCOUNT
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!($useraccountcontrol & 0x02) && // *and* _not_ ACCOUNTDISABLE
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!($useraccountcontrol & 0x10) // *and* _not_ LOCKOUT
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) {
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$user->activated = 1;
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} else {
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$user->activated = 0;
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} */
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$enabled_accounts = [
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'512', // 0x200 NORMAL_ACCOUNT
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'544', // 0x220 NORMAL_ACCOUNT, PASSWD_NOTREQD
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'66048', // 0x10200 NORMAL_ACCOUNT, DONT_EXPIRE_PASSWORD
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'66080', // 0x10220 NORMAL_ACCOUNT, PASSWD_NOTREQD, DONT_EXPIRE_PASSWORD
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'262656', // 0x40200 NORMAL_ACCOUNT, SMARTCARD_REQUIRED
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'262688', // 0x40220 NORMAL_ACCOUNT, PASSWD_NOTREQD, SMARTCARD_REQUIRED
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'328192', // 0x50200 NORMAL_ACCOUNT, SMARTCARD_REQUIRED, DONT_EXPIRE_PASSWORD
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'328224', // 0x50220 NORMAL_ACCOUNT, PASSWD_NOT_REQD, SMARTCARD_REQUIRED, DONT_EXPIRE_PASSWORD
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'4194816',// 0x400200 NORMAL_ACCOUNT, DONT_REQ_PREAUTH
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'4260352', // 0x410200 NORMAL_ACCOUNT, DONT_EXPIRE_PASSWORD, DONT_REQ_PREAUTH
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'1049088', // 0x100200 NORMAL_ACCOUNT, NOT_DELEGATED
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'1114624', // 0x110200 NORMAL_ACCOUNT, DONT_EXPIRE_PASSWORD, NOT_DELEGATED,
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];
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$user->activated = (in_array($results[$i]['useraccountcontrol'][0], $enabled_accounts)) ? 1 : 0;
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// If we're not using AD, and there isn't an activated flag set, activate all users
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} /* implied 'else' here - leave the $user->activated flag alone. Newly-created accounts will be active.
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already-existing accounts will be however the administrator has set them */
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if ($item['ldap_location_override'] == true) {
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$user->location_id = $item['location_id'];
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} elseif ((isset($location)) && (! empty($location))) {
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if ((is_array($location)) && (array_key_exists('id', $location))) {
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$user->location_id = $location['id'];
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} elseif (is_object($location)) {
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$user->location_id = $location->id;
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}
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}
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$user->ldap_import = 1;
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$errors = '';
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if ($user->save()) {
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$item['note'] = $item['createorupdate'];
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$item['status'] = 'success';
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if ( $item['createorupdate'] === 'created' && $ldap_default_group) {
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$user->groups()->attach($ldap_default_group);
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}
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} else {
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foreach ($user->getErrors()->getMessages() as $key => $err) {
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$errors .= $err[0];
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}
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$item['note'] = $errors;
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$item['status'] = 'error';
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}
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array_push($summary, $item);
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}
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if ($this->option('summary')) {
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for ($x = 0; $x < count($summary); $x++) {
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if ($summary[$x]['status'] == 'error') {
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$this->error('ERROR: '.$summary[$x]['firstname'].' '.$summary[$x]['lastname'].' (username: '.$summary[$x]['username'].') was not imported: '.$summary[$x]['note']);
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} else {
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$this->info('User '.$summary[$x]['firstname'].' '.$summary[$x]['lastname'].' (username: '.$summary[$x]['username'].') was '.strtoupper($summary[$x]['createorupdate']).'.');
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}
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}
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} elseif ($this->option('json_summary')) {
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$json_summary = ['error' => false, 'error_message' => '', 'summary' => $summary]; // hardcoding the error to false and the error_message to blank seems a bit weird
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$this->info(json_encode($json_summary));
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} else {
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return $summary;
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}
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}
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}
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