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@ -44,6 +44,7 @@ use OCP\Files\IHomeStorage;
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use OCP\Files\Node;
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use OC\Files\Storage\FailedStorage;
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use OC\Files\Storage\Wrapper\PermissionsMask;
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use OC\Files\Storage\Wrapper\Wrapper;
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use OC\User\NoUserException;
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use OCA\Files_External\Config\ExternalMountPoint;
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use OCP\Constants;
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@ -98,6 +99,8 @@ class SharedStorage extends \OC\Files\Storage\Wrapper\Jail implements ISharedSto
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private string $sourcePath = '';
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private static int $initDepth = 0;
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public function __construct($arguments) {
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$this->ownerView = $arguments['ownerView'];
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$this->logger = \OC::$server->getLogger();
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@ -137,8 +140,15 @@ class SharedStorage extends \OC\Files\Storage\Wrapper\Jail implements ISharedSto
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if ($this->initialized) {
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return;
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}
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$this->initialized = true;
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self::$initDepth++;
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try {
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if (self::$initDepth > 10) {
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throw new \Exception("Maximum share depth reached");
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}
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/** @var IRootFolder $rootFolder */
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$rootFolder = \OC::$server->get(IRootFolder::class);
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$this->ownerUserFolder = $rootFolder->getUserFolder($this->superShare->getShareOwner());
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@ -151,6 +161,9 @@ class SharedStorage extends \OC\Files\Storage\Wrapper\Jail implements ISharedSto
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$this->cache = new FailedCache();
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$this->rootPath = '';
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} else {
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if ($this->nonMaskedStorage instanceof Wrapper && $this->nonMaskedStorage->isWrapperOf($this)) {
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throw new \Exception('recursive share detected');
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}
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$this->nonMaskedStorage = $ownerNode->getStorage();
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$this->sourcePath = $ownerNode->getPath();
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$this->rootPath = $ownerNode->getInternalPath();
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@ -179,6 +192,7 @@ class SharedStorage extends \OC\Files\Storage\Wrapper\Jail implements ISharedSto
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if (!$this->nonMaskedStorage) {
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$this->nonMaskedStorage = $this->storage;
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}
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self::$initDepth--;
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}
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/**
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