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<?php |
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namespace SilverStripe\LDAP\Tasks; |
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use Exception; |
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use SilverStripe\Control\Director; |
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use SilverStripe\Control\HTTPRequest; |
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use SilverStripe\Core\Config\Config; |
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use SilverStripe\Dev\BuildTask; |
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use SilverStripe\LDAP\Services\LDAPService; |
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use SilverStripe\ORM\DB; |
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use SilverStripe\Security\Member; |
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/** |
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* Class LDAPMemberSyncTask |
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* |
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* A task to sync all users from a specific DN in LDAP to the SilverStripe site, stored in Member objects |
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*/ |
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class LDAPMemberSyncTask extends BuildTask |
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{ |
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/** |
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* {@inheritDoc} |
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* @var string |
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*/ |
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private static $segment = 'LDAPMemberSyncTask'; |
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/** |
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* @var array |
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*/ |
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private static $dependencies = [ |
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'LDAPService' => '%$' . LDAPService::class, |
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]; |
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/** |
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* Setting this to true causes the sync to delete any local Member |
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* records that were previously imported, but no longer existing in LDAP. |
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* |
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* @config |
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* @var bool |
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*/ |
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private static $destructive = false; |
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/** |
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* @var LDAPService |
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*/ |
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protected $ldapService; |
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/** |
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* @return string |
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*/ |
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public function getTitle() |
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{ |
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return _t(__CLASS__ . '.SYNCTITLE', 'Sync all users from Active Directory'); |
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} |
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/** |
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* {@inheritDoc} |
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* @param HTTPRequest $request |
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*/ |
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public function run($request) |
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{ |
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ini_set('max_execution_time', 3600); // 3600s = 1hr |
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ini_set('memory_limit', '1024M'); // 1GB memory limit |
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// get all users from LDAP, but only get the attributes we need. |
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// this is useful to avoid holding onto too much data in memory |
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// especially in the case where getUser() would return a lot of users |
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$users = $this->ldapService->getUsers(array_merge( |
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['objectguid', 'cn', 'samaccountname', 'useraccountcontrol', 'memberof'], |
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array_keys(Config::inst()->get(Member::class, 'ldap_field_mappings')) |
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)); |
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$start = time(); |
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$created = 0; |
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$updated = 0; |
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$deleted = 0; |
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foreach ($users as $data) { |
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$member = $this->findOrCreateMember($data); |
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// If member exists already, we're updating - otherwise we're creating |
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if ($member->exists()) { |
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$updated++; |
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$this->log(sprintf( |
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'Updating existing Member %s: "%s" (ID: %s, SAM Account Name: %s)', |
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$data['objectguid'], |
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$member->getName(), |
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$member->ID, |
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$data['samaccountname'] |
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)); |
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} else { |
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$created++; |
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$this->log(sprintf( |
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'Creating new Member %s: "%s" (SAM Account Name: %s)', |
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$data['objectguid'], |
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$data['cn'], |
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$data['samaccountname'] |
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)); |
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} |
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// Sync attributes from LDAP to the Member record. This will also write the Member record. |
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// this is also responsible for putting the user into mapped groups |
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try { |
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$this->ldapService->updateMemberFromLDAP($member, $data); |
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} catch (Exception $e) { |
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$this->log($e->getMessage()); |
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continue; |
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} |
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} |
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// remove Member records that were previously imported, but no longer exist in the directory |
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// NOTE: DB::query() here is used for performance and so we don't run out of memory |
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if ($this->config()->destructive) { |
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foreach (DB::query('SELECT "ID", "GUID" FROM "Member" WHERE "GUID" IS NOT NULL') as $record) { |
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$member = Member::get()->byId($record['ID']); |
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if (!isset($users[$record['GUID']])) { |
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$this->log(sprintf( |
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'Removing Member "%s" (GUID: %s) that no longer exists in LDAP.', |
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$member->getName(), |
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$member->GUID |
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)); |
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try { |
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$member->delete(); |
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} catch (Exception $e) { |
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$this->log($e->getMessage()); |
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continue; |
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} |
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$deleted++; |
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} |
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} |
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} |
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$this->invokeWithExtensions('onAfterLDAPMemberSyncTask'); |
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$end = time() - $start; |
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$this->log(sprintf( |
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'Done. Created %s records. Updated %s records. Deleted %s records. Duration: %s seconds', |
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$created, |
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$updated, |
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$deleted, |
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round($end, 0) |
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)); |
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} |
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/** |
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* Sends a message, formatted either for the CLI or browser |
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* |
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* @param string $message |
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*/ |
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protected function log($message) |
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{ |
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$message = sprintf('[%s] ', date('Y-m-d H:i:s')) . $message; |
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echo Director::is_cli() ? ($message . PHP_EOL) : ($message . '<br>'); |
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} |
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/** |
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* Finds or creates a new {@link Member} object if the GUID provided by LDAP doesn't exist in the DB |
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* |
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* @param array $data The data from LDAP (specifically containing the objectguid value) |
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* @return Member Either the existing member in the DB, or a new member object |
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*/ |
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protected function findOrCreateMember($data = []) |
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{ |
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$member = Member::get()->filter('GUID', $data['objectguid'])->first(); |
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if (!($member && $member->exists())) { |
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// create the initial Member with some internal fields |
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$member = Member::create(); |
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$member->GUID = $data['objectguid']; |
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} |
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return $member; |
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} |
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/** |
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* @param LDAPService $service |
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* @return $this |
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*/ |
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public function setLDAPService(LDAPService $service) |
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{ |
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$this->ldapService = $service; |
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return $this; |
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} |
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} |
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