feat: emit audit log events for changes to groupfolders

Signed-off-by: Robin Appelman <[email protected]>
nextcloud · Aug 7, 2024 · dbfccd6 · dbfccd6
1 parent 679de41
commit dbfccd6
Show file tree

Hide file tree

Showing 3 changed files with 53 additions and 11 deletions.
diff --git a/lib/DAV/ACLPlugin.php b/lib/DAV/ACLPlugin.php
@@ -29,8 +29,10 @@
 use OCA\GroupFolders\Folder\FolderManager;
 use OCA\GroupFolders\Mount\GroupMountPoint;
 use OCP\Constants;
+use OCP\EventDispatcher\IEventDispatcher;
 use OCP\IUser;
 use OCP\IUserSession;
+use OCP\Log\Audit\CriticalActionPerformedEvent;
 use Sabre\DAV\INode;
 use Sabre\DAV\PropFind;
 use Sabre\DAV\PropPatch;
@@ -46,19 +48,14 @@ class ACLPlugin extends ServerPlugin {
 	public const GROUP_FOLDER_ID = '{http://nextcloud.org/ns}group-folder-id';
 
 	private ?Server $server = null;
-	private RuleManager $ruleManager;
-	private FolderManager $folderManager;
-	private IUserSession $userSession;
 	private ?IUser $user = null;
 
 	public function __construct(
-		RuleManager $ruleManager,
-		IUserSession $userSession,
-		FolderManager $folderManager
+		private RuleManager $ruleManager,
+		private IUserSession $userSession,
+		private FolderManager $folderManager,
+		private IEventDispatcher $eventDispatcher,
 	) {
-		$this->ruleManager = $ruleManager;
-		$this->userSession = $userSession;
-		$this->folderManager = $folderManager;
 	}
 
 	private function isAdmin(string $path): bool {
@@ -211,6 +208,23 @@ public function propPatch(string $path, PropPatch $propPatch): void {
 				);
 			}, $rawRules);
 
+			$formattedRules = array_map(function (Rule $rule) {
+				return $rule->getUserMapping()->getType() . ' ' . $rule->getUserMapping()->getDisplayName() . ': ' . $rule->formatPermissions();
+			}, $rules);
+			if (count($formattedRules)) {
+				$formattedRules = implode(', ', $formattedRules);
+				$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('The advanced permissions for "%s" in groupfolder with id %d was set to "%s"', [
+					$fileInfo->getInternalPath(),
+					$mount->getFolderId(),
+					$formattedRules,
+				]));
+			} else {
+				$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('The advanced permissions for "%s" in groupfolder with id %d was cleared', [
+					$fileInfo->getInternalPath(),
+					$mount->getFolderId(),
+				]));
+			}
+
 			$existingRules = array_reduce(
 				$this->ruleManager->getAllRulesForPaths($mount->getNumericStorageId(), [$path]),
 				function (array $rules, array $rulesForPath) {

diff --git a/lib/Folder/FolderManager.php b/lib/Folder/FolderManager.php
@@ -32,13 +32,15 @@
 use OCP\Constants;
 use OCP\DB\Exception;
 use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\EventDispatcher\IEventDispatcher;
 use OCP\Files\Cache\ICacheEntry;
 use OCP\Files\IMimeTypeLoader;
 use OCP\Files\IRootFolder;
 use OCP\IDBConnection;
 use OCP\IGroupManager;
 use OCP\IUser;
 use OCP\IUserManager;
+use OCP\Log\Audit\CriticalActionPerformedEvent;
 use OCP\Server;
 use Psr\Container\ContainerExceptionInterface;
 use Psr\Log\LoggerInterface;
@@ -51,7 +53,8 @@ public function __construct(
 		private IDBConnection $connection,
 		private IGroupManager $groupManager,
 		private IMimeTypeLoader $mimeTypeLoader,
-		private LoggerInterface $logger
+		private LoggerInterface $logger,
+		private IEventDispatcher $eventDispatcher,
 	) {
 	}
 
@@ -674,6 +677,9 @@ public function createFolder(string $mountPoint): int {
 				'mount_point' => $query->createNamedParameter($mountPoint)
 			]);
 		$query->executeStatement();
+		$id = $query->getLastInsertId();
+
+		$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('A new groupfolder "%s" was created with id %d', [$mountPoint, $id]));
 
 		return $query->getLastInsertId();
 	}
@@ -697,6 +703,8 @@ public function addApplicableGroup(int $folderId, string $groupId): void {
 				'permissions' => $query->createNamedParameter(Constants::PERMISSION_ALL)
 			]);
 		$query->executeStatement();
+
+		$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('The group "%s" was given access to the groupfolder with id %d', [$groupId, $folderId]));
 	}
 
 	/**
@@ -718,6 +726,8 @@ public function removeApplicableGroup(int $folderId, string $groupId): void {
 			  	)
 			  );
 		$query->executeStatement();
+
+		$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('The group "%s" was revoked access to the groupfolder with id %d', [$groupId, $folderId]));
 	}
 
 
@@ -742,6 +752,8 @@ public function setGroupPermissions(int $folderId, string $groupId, int $permiss
 			  );
 
 		$query->executeStatement();
+
+		$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('The permissions of group "%s" to the groupfolder with id %d was set to %d', [$groupId, $folderId, $permissions]));
 	}
 
 	/**
@@ -763,6 +775,9 @@ public function setManageACL(int $folderId, string $type, string $id, bool $mana
 				->andWhere($query->expr()->eq('mapping_id', $query->createNamedParameter($id)));
 		}
 		$query->executeStatement();
+
+		$action = $manageAcl ? "given" : "revoked";
+		$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('The %s "%s" was %s acl management rights to the groupfolder with id %d', [$type, $id, $action, $folderId]));
 	}
 
 	/**
@@ -774,6 +789,8 @@ public function removeFolder(int $folderId): void {
 		$query->delete('group_folders')
 			->where($query->expr()->eq('folder_id', $query->createNamedParameter($folderId, IQueryBuilder::PARAM_INT)));
 		$query->executeStatement();
+
+		$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('The groupfolder with id %d was removed', [$folderId]));
 	}
 
 	/**
@@ -786,6 +803,8 @@ public function setFolderQuota(int $folderId, int $quota): void {
 			->set('quota', $query->createNamedParameter($quota))
 			->where($query->expr()->eq('folder_id', $query->createNamedParameter($folderId)));
 		$query->executeStatement();
+
+		$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('The quote for groupfolder with id %d was set to %d bytes', [$folderId, $quota]));
 	}
 
 	/**
@@ -798,6 +817,8 @@ public function renameFolder(int $folderId, string $newMountPoint): void {
 			->set('mount_point', $query->createNamedParameter($newMountPoint))
 			->where($query->expr()->eq('folder_id', $query->createNamedParameter($folderId, IQueryBuilder::PARAM_INT)));
 		$query->executeStatement();
+
+		$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('The groupfolder with id %d was renamed to "%s"', [$folderId, $newMountPoint]));
 	}
 
 	/**
@@ -858,6 +879,9 @@ public function setFolderACL(int $folderId, bool $acl): void {
 				->where($query->expr()->eq('folder_id', $query->createNamedParameter($folderId)));
 			$query->executeStatement();
 		}
+
+		$action = $acl ? "enabled" : "disabled";
+		$this->eventDispatcher->dispatchTyped(new CriticalActionPerformedEvent('Advanced permissions for the groupfolder with id %d was %s', [$folderId, $action]));
 	}
 
 	/**

diff --git a/tests/Folder/FolderManagerTest.php b/tests/Folder/FolderManagerTest.php
@@ -23,6 +23,7 @@
 
 use OCA\GroupFolders\Folder\FolderManager;
 use OCP\Constants;
+use OCP\EventDispatcher\IEventDispatcher;
 use OCP\Files\IMimeTypeLoader;
 use OCP\IDBConnection;
 use OCP\IGroupManager;
@@ -38,18 +39,21 @@ class FolderManagerTest extends TestCase {
 	private IGroupManager $groupManager;
 	private IMimeTypeLoader $mimeLoader;
 	private LoggerInterface $logger;
+	private IEventDispatcher $eventDispatcher;
 
 	protected function setUp(): void {
 		parent::setUp();
 
 		$this->groupManager = $this->createMock(IGroupManager::class);
 		$this->mimeLoader = $this->createMock(IMimeTypeLoader::class);
 		$this->logger = $this->createMock(LoggerInterface::class);
+		$this->eventDispatcher = $this->createMock(IEventDispatcher::class);
 		$this->manager = new FolderManager(
 			\OC::$server->getDatabaseConnection(),
 			$this->groupManager,
 			$this->mimeLoader,
-			$this->logger
+			$this->logger,
+			$this->eventDispatcher,
 		);
 		$this->clean();
 	}