2 files changed, 40 insertions, 35 deletions

diff --git a/lib/private/Files/Mount/Manager.php b/lib/private/Files/Mount/Manager.php
index 7770b9a6c58..b1506b21864 100644
--- a/lib/private/Files/Mount/Manager.php
+++ b/lib/private/Files/Mount/Manager.php
@@ -31,14 +31,13 @@ namespace OC\Files\Mount;
 use OC\Cache\CappedMemoryCache;
 use OC\Files\Filesystem;
 use OC\Files\SetupManager;
-use OC\Setup;
 use OCP\Diagnostics\IEventLogger;
 use OCP\EventDispatcher\IEventDispatcher;
 use OCP\Files\Config\IMountProviderCollection;
 use OCP\Files\Mount\IMountManager;
 use OCP\Files\Mount\IMountPoint;
 use OCP\Files\NotFoundException;
-use OCP\IUserSession;
+use OCP\IUserManager;
 
 class Manager implements IMountManager {
 	/** @var MountPoint[] */
@@ -50,12 +49,12 @@ class Manager implements IMountManager {
 	public function __construct(
 		IEventLogger $eventLogger,
 		IMountProviderCollection $mountProviderCollection,
-		IUserSession $userSession,
+		IUserManager $userManager,
 		IEventDispatcher $eventDispatcher
 	) {
 		$this->pathCache = new CappedMemoryCache();
 		$this->inPathCache = new CappedMemoryCache();
-		$this->setupManager = new SetupManager($eventLogger, $mountProviderCollection, $this, $userSession, $eventDispatcher);
+		$this->setupManager = new SetupManager($eventLogger, $mountProviderCollection, $this, $userManager, $eventDispatcher);
 	}
 
 	/**
@@ -91,26 +90,14 @@ class Manager implements IMountManager {
 		$this->inPathCache->clear();
 	}
 
-	private function setupForFind(string $path) {
-		if (strpos($path, '/appdata_' . \OC_Util::getInstanceId()) === 0) {
-			// for appdata, we only setup the root bits, not the user bits
-			$this->setupManager->setupRoot();
-		} elseif (strpos($path, '/files_external/uploads/') === 0) {
-			// for OC\Security\CertificateManager, we only setup the root bits, not the user bits
-			$this->setupManager->setupRoot();
-		} else {
-			$this->setupManager->setupForCurrentUser();
-		}
-	}
-
 	/**
 	 * Find the mount for $path
 	 *
 	 * @param string $path
-	 * @return MountPoint|null
+	 * @return MountPoint
 	 */
-	public function find(string $path): ?MountPoint {
-		$this->setupForFind($path);
+	public function find(string $path): MountPoint {
+		$this->setupManager->setupForPath($path);
 		$path = Filesystem::normalizePath($path);
 
 		if (isset($this->pathCache[$path])) {
@@ -143,7 +130,7 @@ class Manager implements IMountManager {
 	 * @return MountPoint[]
 	 */
 	public function findIn(string $path): array {
-		$this->setupForFind($path);
+		$this->setupManager->setupForPath($path);
 		$path = $this->formatPath($path);
 
 		if (isset($this->inPathCache[$path])) {
diff --git a/lib/private/Files/SetupManager.php b/lib/private/Files/SetupManager.php
index 578372775ac..79622132208 100644
--- a/lib/private/Files/SetupManager.php
+++ b/lib/private/Files/SetupManager.php
@@ -43,14 +43,14 @@ use OCP\Files\Mount\IMountManager;
 use OCP\Files\Mount\IMountPoint;
 use OCP\Files\Storage\IStorage;
 use OCP\IUser;
-use OCP\IUserSession;
+use OCP\IUserManager;
 
 class SetupManager {
 	private bool $rootSetup = false;
 	private IEventLogger $eventLogger;
 	private IMountProviderCollection $mountProviderCollection;
 	private IMountManager $mountManager;
-	private IUserSession $userSession;
+	private IUserManager $userManager;
 	private array $setupUsers = [];
 	private IEventDispatcher $eventDispatcher;
 
@@ -58,13 +58,13 @@ class SetupManager {
 		IEventLogger $eventLogger,
 		IMountProviderCollection $mountProviderCollection,
 		IMountManager $mountManager,
-		IUserSession $userSession,
+		IUserManager $userManager,
 		IEventDispatcher $eventDispatcher
 	) {
 		$this->eventLogger = $eventLogger;
 		$this->mountProviderCollection = $mountProviderCollection;
 		$this->mountManager = $mountManager;
-		$this->userSession = $userSession;
+		$this->userManager = $userManager;
 		$this->eventDispatcher = $eventDispatcher;
 	}
 
@@ -138,16 +138,10 @@ class SetupManager {
 		});
 	}
 
-	public function setupForCurrentUser() {
-		$user = $this->userSession->getUser();
-		if ($user) {
-			$this->setupForUser($user);
-		} else {
-			$this->setupRoot();
-		}
-	}
-
-	public function setupForUser(IUser $user) {
+	/**
+	 * Setup the full filesystem for the specified user
+	 */
+	public function setupForUser(IUser $user): void {
 		$this->setupRoot();
 
 		if (in_array($user->getUID(), $this->setupUsers, true)) {
@@ -172,7 +166,10 @@ class SetupManager {
 		$this->eventLogger->end('setup_fs');
 	}
 
-	public function setupRoot() {
+	/**
+	 * Set up the root filesystem
+	 */
+	public function setupRoot(): void {
 		//setting up the filesystem twice can only lead to trouble
 		if ($this->rootSetup) {
 			return;
@@ -197,6 +194,27 @@ class SetupManager {
 		$this->eventLogger->end('setup_root_fs');
 	}
 
+	/**
+	 * Set up the filesystem for the specified path
+	 */
+	public function setupForPath(string $path): void {
+		if (substr_count($path, '/') < 2 || strpos($path, '/appdata_' . \OC_Util::getInstanceId()) === 0 || strpos($path, '/files_external/') === 0) {
+			$this->setupRoot();
+			return;
+		} else {
+			[, $userId] = explode('/', $path);
+		}
+
+		$user = $this->userManager->get($userId);
+
+		if (!$user) {
+			$this->setupRoot();
+			return;
+		}
+
+		$this->setupForUser($user);
+	}
+
 	public function tearDown() {
 		$this->setupUsers = [];
 		$this->rootSetup = false;