1 files changed, 51 insertions, 0 deletions
diff --git a/lib/private/Metadata/Provider/ExifProvider.php b/lib/private/Metadata/Provider/ExifProvider.php
new file mode 100644
index 00000000000..91c858f6794
--- /dev/null
+++ b/lib/private/Metadata/Provider/ExifProvider.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace OC\Metadata\Provider;
+
+use OC\Metadata\FileMetadata;
+use OC\Metadata\IMetadataProvider;
+use OCP\Files\File;
+
+class ExifProvider implements IMetadataProvider {
+	public static function groupsProvided(): array {
+		return ['size'];
+	}
+
+	public static function isAvailable(): bool {
+		return extension_loaded('exif');
+	}
+
+	public function execute(File $file): array {
+		$fileDescriptor = $file->fopen('rb');
+		$data = @exif_read_data($fileDescriptor, 'ANY_TAG', true);
+
+		$size = new FileMetadata();
+		$size->setGroupName('size');
+		$size->setId($file->getId());
+		$size->setMetadata([]);
+
+		if (!$data) {
+			return [
+				'size' => $size,
+			];
+		}
+
+		if (array_key_exists('COMPUTED', $data)
+			&& array_key_exists('Width', $data['COMPUTED'])
+			&& array_key_exists('Height', $data['COMPUTED'])
+		) {
+			$size->setMetadata([
+				'width' => $data['COMPUTED']['Width'],
+				'height' => $data['COMPUTED']['Height'],
+			]);
+		}
+
+		return [
+			'size' => $size,
+		];
+	}
+
+	public static function getMimetypesSupported(): string {
+		return '/image\/.*/';
+	}
+}