fix(SizeMetadataProvider): Swap the width and height if the image is …

…rotated

Signed-off-by: provokateurin <kate@provokateurin.de>

lib/Listener/SizeMetadataProvider.php

@@ -43,16 +43,37 @@ public function handle(Event $event): void {
 			return;
 		}
 
-		if (!in_array($node->getMimeType(), Application::IMAGE_MIMES)) {
+		$mimeType = $node->getMimeType();
+		if (!in_array($mimeType, Application::IMAGE_MIMES)) {
 			return;
 		}
 
-		$size = getimagesizefromstring($node->getContent());
+		$content = $node->getContent();
+		$size = getimagesizefromstring($content);
 
 		if ($size === false) {
 			return;
 		}
 
+		// Swap the width and height if the image is rotated (-)90 degrees
+		if (extension_loaded('exif')) {
+			try {
+				$rawExifData = exif_read_data('data://' . $mimeType . ';base64,' . base64_encode($content), '', true);
+
+				if ($rawExifData && array_key_exists('IFD0', $rawExifData) && array_key_exists('Orientation', $rawExifData['IFD0'])) {
+					/** @var int $orientation */
+					$orientation = $rawExifData['IFD0']['Orientation'];
+
+					// https://exiftool.org/TagNames/EXIF.html
+					if ($orientation >= 5) {
+						$size = [$size[1], $size[0]];
+					}
+				}
+			} catch (\Exception $ex) {
+				$this->logger->info("Failed to extract metadata for " . $node->getId(), ['exception' => $ex]);
+			}
+		}
+
 		$event->getMetadata()->setArray('photos-size', [
 			'width' => $size[0],
 			'height' => $size[1],