fix(files): Correctly copy the cache information on copy operations

Needed to copy the `encrypted` flag of encrypted files when those files are two level down in a moved folder.

Signed-off-by: Louis Chemineau <louis@chmn.me>

5 files changed, 49 insertions, 11 deletions

diff --git a/lib/private/Files/Cache/Updater.php b/lib/private/Files/Cache/Updater.php
index 953b7ba9607..578f4a8b1e7 100644
--- a/lib/private/Files/Cache/Updater.php
+++ b/lib/private/Files/Cache/Updater.php
@@ -9,6 +9,8 @@ namespace OC\Files\Cache;
 
 use Doctrine\DBAL\Exception\DeadlockException;
 use OC\Files\FileInfo;
+use OC\Files\ObjectStore\ObjectStoreStorage;
+use OCP\Files\Cache\ICache;
 use OCP\Files\Cache\ICacheEntry;
 use OCP\Files\Cache\IUpdater;
 use OCP\Files\Storage\IStorage;
@@ -157,13 +159,40 @@ class Updater implements IUpdater {
 	}
 
 	/**
-	 * Rename a file or folder in the cache and update the size, etag and mtime of the parent folders
+	 * Rename a file or folder in the cache.
 	 *
 	 * @param IStorage $sourceStorage
 	 * @param string $source
 	 * @param string $target
 	 */
 	public function renameFromStorage(IStorage $sourceStorage, $source, $target) {
+		$this->copyOrRenameFromStorage($sourceStorage, $source, $target, function (ICache $sourceCache) use ($sourceStorage, $source, $target) {
+			// Remove existing cache entry to no reuse the fileId.
+			if ($this->cache->inCache($target)) {
+				$this->cache->remove($target);
+			}
+
+			if ($sourceStorage === $this->storage) {
+				$this->cache->move($source, $target);
+			} else {
+				$this->cache->moveFromCache($sourceCache, $source, $target);
+			}
+		});
+	}
+
+	/**
+	 * Copy a file or folder in the cache.
+	 */
+	public function copyFromStorage(IStorage $sourceStorage, string $source, string $target): void {
+		$this->copyOrRenameFromStorage($sourceStorage, $source, $target, function (ICache $sourceCache, ICacheEntry $sourceInfo) use ($target) {
+			$this->cache->copyFromCache($sourceCache, $sourceInfo, $target);
+		});
+	}
+
+	/**
+	 * Utility to copy or rename a file or folder in the cache and update the size, etag and mtime of the parent folders
+	 */
+	private function copyOrRenameFromStorage(IStorage $sourceStorage, string $source, string $target, callable $operation): void {
 		if (!$this->enabled or Scanner::isPartialFile($source) or Scanner::isPartialFile($target)) {
 			return;
 		}
@@ -181,14 +210,8 @@ class Updater implements IUpdater {
 		$targetIsTrash = preg_match("/^d\d+$/", $targetExtension);
 
 		if ($sourceInfo !== false) {
-			if ($this->cache->inCache($target)) {
-				$this->cache->remove($target);
-			}
-
-			if ($sourceStorage === $this->storage) {
-				$this->cache->move($source, $target);
-			} else {
-				$this->cache->moveFromCache($sourceCache, $source, $target);
+			if (!$this->storage->instanceOfStorage(ObjectStoreStorage::class)) {
+				$operation($sourceCache, $sourceInfo);
 			}
 
 			$isDir = $sourceInfo->getMimeType() === FileInfo::MIMETYPE_FOLDER;
diff --git a/lib/private/Files/Storage/Wrapper/Encryption.php b/lib/private/Files/Storage/Wrapper/Encryption.php
index 09048c239ee..3b1d7b74165 100644
--- a/lib/private/Files/Storage/Wrapper/Encryption.php
+++ b/lib/private/Files/Storage/Wrapper/Encryption.php
@@ -770,7 +770,6 @@ class Encryption extends Wrapper {
 						$info->getUnencryptedSize()
 					);
 				}
-				$this->updateEncryptedVersion($sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename, true);
 			}
 			return $result;
 		}
diff --git a/lib/private/Files/View.php b/lib/private/Files/View.php
index 1f0d8d3ae03..8521fc24d02 100644
--- a/lib/private/Files/View.php
+++ b/lib/private/Files/View.php
@@ -277,6 +277,12 @@ class View {
 		}
 	}
 
+	protected function copyUpdate(Storage $sourceStorage, Storage $targetStorage, string $sourceInternalPath, string $targetInternalPath): void {
+		if ($this->updaterEnabled) {
+			$targetStorage->getUpdater()->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+		}
+	}
+
 	/**
 	 * @param string $path
 	 * @return bool|mixed
@@ -964,7 +970,9 @@ class View {
 						$result = $storage2->copyFromStorage($storage1, $internalPath1, $internalPath2);
 					}
 
-					$this->writeUpdate($storage2, $internalPath2);
+					if ($result) {
+						$this->copyUpdate($storage1, $storage2, $internalPath1, $internalPath2);
+					}
 
 					$this->changeLock($target, ILockingProvider::LOCK_SHARED);
 					$lockTypePath2 = ILockingProvider::LOCK_SHARED;
diff --git a/lib/public/Files/Cache/IUpdater.php b/lib/public/Files/Cache/IUpdater.php
index 3c2bc69715c..2bc702114b4 100644
--- a/lib/public/Files/Cache/IUpdater.php
+++ b/lib/public/Files/Cache/IUpdater.php
@@ -58,4 +58,11 @@ interface IUpdater {
 	 * @since 9.0.0
 	 */
 	public function renameFromStorage(IStorage $sourceStorage, $source, $target);
+
+	/**
+	 * Copy a file or folder in the cache and update the size, etag and mtime of the parent folders
+	 *
+	 * @since 31.0.0
+	 */
+	public function copyFromStorage(IStorage $sourceStorage, string $source, string $target): void;
 }
diff --git a/tests/lib/Files/ViewTest.php b/tests/lib/Files/ViewTest.php
index f20c9f05a22..c5b91b837d9 100644
--- a/tests/lib/Files/ViewTest.php
+++ b/tests/lib/Files/ViewTest.php
@@ -2371,6 +2371,7 @@ class ViewTest extends \Test\TestCase {
 		Filesystem::mount($storage2, [], $this->user . '/files/substorage');
 		$storage->mkdir('files');
 		$view->file_put_contents($sourcePath, 'meh');
+		$storage2->getUpdater()->update('');
 
 		$storage->expects($this->never())
 			->method($storageOperation);