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<?php |
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namespace SilverStripe\ActiveDirectory\Tasks; |
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use SilverStripe\Control\Director; |
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use SilverStripe\Dev\BuildTask; |
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use SilverStripe\ORM\DB; |
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use SilverStripe\Security\Group; |
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/** |
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* Class LDAPGroupSyncTask |
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* |
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* A task to sync all groups to the site using LDAP. |
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* |
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* @package activedirectory |
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*/ |
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class LDAPGroupSyncTask 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 = 'LDAPGroupSyncTask'; |
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/** |
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* @var array |
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*/ |
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private static $dependencies = [ |
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'ldapService' => '%$SilverStripe\\ActiveDirectory\\Services\\LDAPService' |
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]; |
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/** |
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* Setting this to true causes the sync to delete any local Group |
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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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* @return string |
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*/ |
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public function getTitle() |
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{ |
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return _t('LDAPGroupSyncJob.SYNCTITLE', 'Sync all groups from Active Directory'); |
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} |
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/** |
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* {@inheritDoc} |
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* @var HTTPRequest $request |
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*/ |
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public function run($request) |
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{ |
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// get all groups 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 getGroups() would return a lot of groups |
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$ldapGroups = $this->ldapService->getGroups( |
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false, |
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['objectguid', 'samaccountname', 'dn', 'name', 'description'], |
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// Change the indexing attribute so we can look up by GUID during the deletion process below. |
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'objectguid' |
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); |
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$start = time(); |
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$count = 0; |
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View Code Duplication |
foreach ($ldapGroups as $data) { |
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$group = Group::get()->filter('GUID', $data['objectguid'])->limit(1)->first(); |
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if (!($group && $group->exists())) { |
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// create the initial Group with some internal fields |
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$group = new Group(); |
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$group->GUID = $data['objectguid']; |
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$this->log(sprintf( |
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'Creating new Group (ID: %s, GUID: %s, sAMAccountName: %s)', |
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$group->ID, |
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$data['objectguid'], |
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$data['samaccountname'] |
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)); |
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} else { |
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$this->log(sprintf( |
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'Updating existing Group "%s" (ID: %s, GUID: %s, sAMAccountName: %s)', |
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$group->getTitle(), |
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$group->ID, |
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$data['objectguid'], |
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$data['samaccountname'] |
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)); |
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} |
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$this->ldapService->updateGroupFromLDAP($group, $data); |
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// cleanup object from memory |
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$group->destroy(); |
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$count++; |
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} |
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// remove Group records that were previously imported, but no longer exist in the directory |
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// NOTE: DB::query() here is used for performance and so we don't run out of memory |
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if ($this->config()->destructive) { |
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foreach (DB::query('SELECT "ID", "GUID" FROM "Group" WHERE "GUID" IS NOT NULL') as $record) { |
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if (!isset($ldapGroups[$record['GUID']])) { |
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$group = Group::get()->byId($record['ID']); |
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// Cascade into mappings, just to clean up behind ourselves. |
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foreach ($group->LDAPGroupMappings() as $mapping) { |
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$mapping->delete(); |
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} |
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$group->delete(); |
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$this->log(sprintf( |
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'Removing Group "%s" (GUID: %s) that no longer exists in LDAP.', |
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$group->Title, |
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$group->GUID |
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)); |
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// cleanup object from memory |
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$group->destroy(); |
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} |
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} |
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} |
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$end = time() - $start; |
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$this->log(sprintf('Done. Processed %s records. Duration: %s seconds', $count, round($end, 0))); |
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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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