1 files changed, 144 insertions, 0 deletions
diff --git a/lib/private/StreamImage.php b/lib/private/StreamImage.php
new file mode 100644
index 00000000000..34fe590efbd
--- /dev/null
+++ b/lib/private/StreamImage.php
@@ -0,0 +1,144 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC;
+
+use OCP\IImage;
+use OCP\IStreamImage;
+
+/**
+ * Only useful when dealing with transferring streamed previews from an external
+ * service to an object store.
+ *
+ * Only width/height/resource and mimeType are implemented and will give you a
+ * valid result.
+ */
+class StreamImage implements IStreamImage {
+	/** @var resource The internal stream */
+	private $stream;
+
+	/** @var null|string */
+	private $mimeType;
+
+	/** @var int */
+	private $width;
+
+	/** @var int */
+	private $height;
+
+	/** @param resource $stream */
+	public function __construct($stream, string $mimeType, int $width, int $height) {
+		$this->stream = $stream;
+		$this->mimeType = $mimeType;
+		$this->width = $width;
+		$this->height = $height;
+	}
+
+	/** @inheritDoc */
+	public function valid(): bool {
+		return is_resource($this->stream);
+	}
+
+	/** @inheritDoc */
+	public function mimeType(): ?string {
+		return $this->mimeType;
+	}
+
+	/** @inheritDoc */
+	public function width(): int {
+		return $this->width;
+	}
+
+	/** @inheritDoc */
+	public function height(): int {
+		return $this->height;
+	}
+
+	public function widthTopLeft(): int {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function heightTopLeft(): int {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function show(?string $mimeType = null): bool {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function save(?string $filePath = null, ?string $mimeType = null): bool {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function resource() {
+		return $this->stream;
+	}
+
+	public function dataMimeType(): ?string {
+		return $this->mimeType;
+	}
+
+	public function data(): ?string {
+		return '';
+	}
+
+	public function getOrientation(): int {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function fixOrientation(): bool {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function resize(int $maxSize): bool {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function preciseResize(int $width, int $height): bool {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function centerCrop(int $size = 0): bool {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function crop(int $x, int $y, int $w, int $h): bool {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function fitIn(int $maxWidth, int $maxHeight): bool {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function scaleDownToFit(int $maxWidth, int $maxHeight): bool {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function copy(): IImage {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function cropCopy(int $x, int $y, int $w, int $h): IImage {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function preciseResizeCopy(int $width, int $height): IImage {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function resizeCopy(int $maxSize): IImage {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function loadFromData(string $str): \GdImage|false {
+		throw new \BadMethodCallException('Not implemented');
+	}
+
+	public function readExif(string $data): void {
+		throw new \BadMethodCallException('Not implemented');
+	}
+}