set mimetype for objects uploaded to object storages

apps/files_external/lib/Lib/Storage/AmazonS3.php

@@ -50,6 +50,7 @@
 use OC\Files\ObjectStore\S3ConnectionTrait;
 use OC\Files\ObjectStore\S3ObjectTrait;
 use OCP\Constants;
+use OCP\Files\IMimeTypeDetector;
 
 class AmazonS3 extends \OC\Files\Storage\Common {
 	use S3ConnectionTrait;
@@ -68,12 +69,16 @@ public function needsPartFile() {
 	/** @var CappedMemoryCache|array */
 	private $filesCache;
 
+	/** @var IMimeTypeDetector */
+	private $mimeDetector;
+
 	public function __construct($parameters) {
 		parent::__construct($parameters);
 		$this->parseParams($parameters);
 		$this->objectCache = new CappedMemoryCache();
 		$this->directoryCache = new CappedMemoryCache();
 		$this->filesCache = new CappedMemoryCache();
+		$this->mimeDetector = \OC::$server->get(IMimeTypeDetector::class);
 	}
 
 	/**
@@ -573,7 +578,7 @@ public function touch($path, $mtime = null) {
 
 		try {
 			if (!$this->file_exists($path)) {
-				$mimeType = \OC::$server->getMimeTypeDetector()->detectPath($path);
+				$mimeType = $this->mimeDetector->detectPath($path);
 				$this->getConnection()->putObject([
 					'Bucket' => $this->bucket,
 					'Key' => $this->cleanKey($path),
@@ -684,7 +689,7 @@ public function getId() {
 	public function writeBack($tmpFile, $path) {
 		try {
 			$source = fopen($tmpFile, 'r');
-			$this->writeObject($path, $source);
+			$this->writeObject($path, $source, $this->mimeDetector->detectPath($path));
 			$this->invalidateCache($path);
 
 			unlink($tmpFile);

apps/files_external/lib/Lib/Storage/Swift.php

@@ -47,6 +47,7 @@
 use Icewind\Streams\CallbackWrapper;
 use Icewind\Streams\IteratorDirectory;
 use OC\Files\ObjectStore\SwiftFactory;
+use OCP\Files\IMimeTypeDetector;
 use OCP\Files\StorageBadConfigException;
 use OCP\ILogger;
 use OpenStack\Common\Error\BadResponseError;
@@ -76,6 +77,9 @@ class Swift extends \OC\Files\Storage\Common {
 	/** @var \OC\Files\ObjectStore\Swift */
 	private $objectStore;
 
+	/** @var IMimeTypeDetector */
+	private $mimeDetector;
+
 	/**
 	 * Key value cache mapping path to data object. Maps path to
 	 * \OpenCloud\OpenStack\ObjectStorage\Resource\DataObject for existing
@@ -205,6 +209,7 @@ public function __construct($params) {
 		);
 		$this->objectStore = new \OC\Files\ObjectStore\Swift($this->params, $this->connectionFactory);
 		$this->bucket = $params['bucket'];
+		$this->mimeDetector = \OC::$server->get(IMimeTypeDetector::class);
 	}
 
 	public function mkdir($path) {
@@ -466,7 +471,7 @@ public function touch($path, $mtime = null) {
 			}
 			return true;
 		} else {
-			$mimeType = \OC::$server->getMimeTypeDetector()->detectPath($path);
+			$mimeType = $this->mimeDetector->detectPath($path);
 			$this->getContainer()->createObject([
 				'name' => $path,
 				'content' => '',
@@ -588,7 +593,7 @@ public function getContainer() {
 
 	public function writeBack($tmpFile, $path) {
 		$fileData = fopen($tmpFile, 'r');
-		$this->objectStore->writeObject($path, $fileData);
+		$this->objectStore->writeObject($path, $fileData, $this->mimeDetector->detectPath($path));
 		// invalidate target object to force repopulation on fetch
 		$this->objectCache->remove($path);
 		unlink($tmpFile);

lib/private/Files/ObjectStore/Azure.php

@@ -24,6 +24,7 @@
 namespace OC\Files\ObjectStore;
 
 use MicrosoftAzure\Storage\Blob\BlobRestProxy;
+use MicrosoftAzure\Storage\Blob\Models\CreateBlockBlobOptions;
 use MicrosoftAzure\Storage\Common\Exceptions\ServiceException;
 use OCP\Files\ObjectStore\IObjectStore;
 
@@ -100,13 +101,12 @@ public function readObject($urn) {
 		return $blob->getContentStream();
 	}
 
-	/**
-	 * @param string $urn the unified resource name used to identify the object
-	 * @param resource $stream stream with the data to write
-	 * @throws \Exception when something goes wrong, message will be logged
-	 */
-	public function writeObject($urn, $stream) {
-		$this->getBlobClient()->createBlockBlob($this->containerName, $urn, $stream);
+	public function writeObject($urn, $stream, string $mimetype = null) {
+		$options = new CreateBlockBlobOptions();
+		if ($mimetype) {
+			$options->setContentType($mimetype);
+		}
+		$this->getBlobClient()->createBlockBlob($this->containerName, $urn, $stream, $options);
 	}
 
 	/**

lib/private/Files/ObjectStore/ObjectStoreStorage.php

@@ -486,13 +486,13 @@ public function writeStream(string $path, $stream, int $size = null): int {
 					]);
 					$size = $writtenSize;
 				});
-				$this->objectStore->writeObject($urn, $countStream);
+				$this->objectStore->writeObject($urn, $countStream, $mimetype);
 				if (is_resource($countStream)) {
 					fclose($countStream);
 				}
 				$stat['size'] = $size;
 			} else {
-				$this->objectStore->writeObject($urn, $stream);
+				$this->objectStore->writeObject($urn, $stream, $mimetype);
 			}
 		} catch (\Exception $ex) {
 			if (!$exists) {

lib/private/Files/ObjectStore/S3ObjectTrait.php

@@ -78,10 +78,11 @@ public function readObject($urn) {
 	/**
 	 * @param string $urn the unified resource name used to identify the object
 	 * @param resource $stream stream with the data to write
+	 * @param string|null $mimetype the mimetype to set for the remove object @since 22.0.0
 	 * @throws \Exception when something goes wrong, message will be logged
 	 * @since 7.0.0
 	 */
-	public function writeObject($urn, $stream) {
+	public function writeObject($urn, $stream, string $mimetype = null) {
 		$count = 0;
 		$countStream = CallbackWrapper::wrap($stream, function ($read) use (&$count) {
 			$count += $read;
@@ -91,6 +92,9 @@ public function writeObject($urn, $stream) {
 			'bucket' => $this->bucket,
 			'key' => $urn,
 			'part_size' => $this->uploadPartSize,
+			'params' => [
+				'ContentType' => $mimetype
+			]
 		]);
 
 		try {

lib/private/Files/ObjectStore/StorageObjectStore.php

@@ -65,13 +65,7 @@ public function readObject($urn) {
 		throw new \Exception();
 	}
 
-	/**
-	 * @param string $urn the unified resource name used to identify the object
-	 * @param resource $stream stream with the data to write
-	 * @throws \Exception when something goes wrong, message will be logged
-	 * @since 7.0.0
-	 */
-	public function writeObject($urn, $stream) {
+	public function writeObject($urn, $stream, string $mimetype = null) {
 		$handle = $this->storage->fopen($urn, 'w');
 		if ($handle) {
 			stream_copy_to_stream($stream, $handle);

lib/private/Files/ObjectStore/Swift.php

@@ -74,12 +74,7 @@ public function getStorageId() {
 		return $this->params['container'];
 	}
 
-	/**
-	 * @param string $urn the unified resource name used to identify the object
-	 * @param resource $stream stream with the data to write
-	 * @throws \Exception from openstack lib when something goes wrong
-	 */
-	public function writeObject($urn, $stream) {
+	public function writeObject($urn, $stream, string $mimetype = null) {
 		$tmpFile = \OC::$server->getTempManager()->getTemporaryFile('swiftwrite');
 		file_put_contents($tmpFile, $stream);
 		$handle = fopen($tmpFile, 'rb');
@@ -88,12 +83,14 @@ public function writeObject($urn, $stream) {
 			$this->getContainer()->createObject([
 				'name' => $urn,
 				'stream' => stream_for($handle),
+				'contentType' => $mimetype,
 			]);
 		} else {
 			$this->getContainer()->createLargeObject([
 				'name' => $urn,
 				'stream' => stream_for($handle),
 				'segmentSize' => SWIFT_SEGMENT_SIZE,
+				'contentType' => $mimetype,
 			]);
 		}
 	}

lib/public/Files/ObjectStore/IObjectStore.php

@@ -52,10 +52,11 @@ public function readObject($urn);
 	/**
 	 * @param string $urn the unified resource name used to identify the object
 	 * @param resource $stream stream with the data to write
+	 * @param string|null $mimetype the mimetype to set for the remove object @since 22.0.0
 	 * @throws \Exception when something goes wrong, message will be logged
 	 * @since 7.0.0
 	 */
-	public function writeObject($urn, $stream);
+	public function writeObject($urn, $stream, string $mimetype = null);
 
 	/**
 	 * @param string $urn the unified resource name used to identify the object

tests/lib/Files/ObjectStore/FailDeleteObjectStore.php

@@ -40,8 +40,8 @@ public function readObject($urn) {
 		return $this->objectStore->readObject($urn);
 	}
 
-	public function writeObject($urn, $stream) {
-		return $this->objectStore->writeObject($urn, $stream);
+	public function writeObject($urn, $stream, string $mimetype = null) {
+		return $this->objectStore->writeObject($urn, $stream, $mimetype);
 	}
 
 	public function deleteObject($urn) {

tests/lib/Files/ObjectStore/FailWriteObjectStore.php

@@ -40,7 +40,7 @@ public function readObject($urn) {
 		return $this->objectStore->readObject($urn);
 	}
 
-	public function writeObject($urn, $stream) {
+	public function writeObject($urn, $stream, string $mimetype = null) {
 		// emulate a failed write that didn't throw an error
 		return true;
 	}

tests/lib/Files/ObjectStore/S3Test.php

@@ -25,7 +25,7 @@
 use OC\Files\ObjectStore\S3;
 
 class MultiPartUploadS3 extends S3 {
-	public function writeObject($urn, $stream) {
+	public function writeObject($urn, $stream, string $mimetype = null) {
 		$this->getConnection()->upload($this->bucket, $urn, $stream, 'private', [
 			'mup_threshold' => 1,
 		]);