1 files changed, 138 insertions, 0 deletions
diff --git a/lib/public/Files/SimpleFS/InMemoryFile.php b/lib/public/Files/SimpleFS/InMemoryFile.php
new file mode 100644
index 00000000000..7849b8c879a
--- /dev/null
+++ b/lib/public/Files/SimpleFS/InMemoryFile.php
@@ -0,0 +1,138 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\Files\SimpleFS;
+
+use OCP\Files\NotPermittedException;
+
+/**
+ * This class represents a file that is only hold in memory.
+ *
+ * @since 16.0.0
+ */
+class InMemoryFile implements ISimpleFile {
+	/**
+	 * Holds the file name.
+	 */
+	private string $name;
+
+	/**
+	 * Holds the file contents.
+	 */
+	private string $contents;
+
+	/**
+	 * InMemoryFile constructor.
+	 *
+	 * @param string $name The file name
+	 * @param string $contents The file contents
+	 * @since 16.0.0
+	 */
+	public function __construct(string $name, string $contents) {
+		$this->name = $name;
+		$this->contents = $contents;
+	}
+
+	/**
+	 * @inheritdoc
+	 * @since 16.0.0
+	 */
+	public function getName(): string {
+		return $this->name;
+	}
+
+	/**
+	 * @inheritdoc
+	 * @since 16.0.0
+	 */
+	public function getSize(): int|float {
+		return strlen($this->contents);
+	}
+
+	/**
+	 * @inheritdoc
+	 * @since 16.0.0
+	 */
+	public function getETag(): string {
+		return '';
+	}
+
+	/**
+	 * @inheritdoc
+	 * @since 16.0.0
+	 */
+	public function getMTime(): int {
+		return time();
+	}
+
+	/**
+	 * @inheritdoc
+	 * @since 16.0.0
+	 */
+	public function getContent(): string {
+		return $this->contents;
+	}
+
+	/**
+	 * @inheritdoc
+	 * @since 16.0.0
+	 */
+	public function putContent($data): void {
+		$this->contents = $data;
+	}
+
+	/**
+	 * In memory files can't be deleted.
+	 *
+	 * @since 16.0.0
+	 */
+	public function delete(): void {
+		// unimplemented for in memory files
+	}
+
+	/**
+	 * @inheritdoc
+	 * @since 16.0.0
+	 */
+	public function getMimeType(): string {
+		$fileInfo = new \finfo(FILEINFO_MIME_TYPE);
+		return $fileInfo->buffer($this->contents);
+	}
+
+	/**
+	 * {@inheritDoc}
+	 * @since 24.0.0
+	 */
+	public function getExtension(): string {
+		return \pathinfo($this->name, PATHINFO_EXTENSION);
+	}
+
+	/**
+	 * Stream reading is unsupported for in memory files.
+	 *
+	 * @throws NotPermittedException
+	 * @since 16.0.0
+	 */
+	public function read() {
+		throw new NotPermittedException(
+			'Stream reading is unsupported for in memory files'
+		);
+	}
+
+	/**
+	 * Stream writing isn't available for in memory files.
+	 *
+	 * @throws NotPermittedException
+	 * @since 16.0.0
+	 */
+	public function write() {
+		throw new NotPermittedException(
+			'Stream writing is unsupported for in memory files'
+		);
+	}
+}