4 files changed, 74 insertions, 3 deletions

diff --git a/apps/files/lib/App.php b/apps/files/lib/App.php
index c8d2b786cd6..b6b0ffa6917 100644
--- a/apps/files/lib/App.php
+++ b/apps/files/lib/App.php
@@ -8,6 +8,7 @@
 namespace OCA\Files;
 
 use OC\NavigationManager;
+use OCA\Files\Service\ChunkedUploadConfig;
 use OCP\App\IAppManager;
 use OCP\IConfig;
 use OCP\IGroupManager;
@@ -44,9 +45,8 @@ class App {
 	public static function extendJsConfig($settings): void {
 		$appConfig = json_decode($settings['array']['oc_appconfig'], true);
 
-		$maxChunkSize = (int)Server::get(IConfig::class)->getAppValue('files', 'max_chunk_size', (string)(100 * 1024 * 1024));
 		$appConfig['files'] = [
-			'max_chunk_size' => $maxChunkSize
+			'max_chunk_size' => ChunkedUploadConfig::getMaxChunkSize(),
 		];
 
 		$settings['array']['oc_appconfig'] = json_encode($appConfig);
diff --git a/apps/files/lib/Capabilities.php b/apps/files/lib/Capabilities.php
index fdbbdf63f22..d20d348a9f5 100644
--- a/apps/files/lib/Capabilities.php
+++ b/apps/files/lib/Capabilities.php
@@ -8,6 +8,7 @@
 namespace OCA\Files;
 
 use OC\Files\FilenameValidator;
+use OCA\Files\Service\ChunkedUploadConfig;
 use OCP\Capabilities\ICapability;
 
 class Capabilities implements ICapability {
@@ -20,7 +21,7 @@ class Capabilities implements ICapability {
 	/**
 	 * Return this classes capabilities
 	 *
-	 * @return array{files: array{'$comment': ?string, bigfilechunking: bool, blacklisted_files: array<mixed>, forbidden_filenames: list<string>, forbidden_filename_basenames: list<string>, forbidden_filename_characters: list<string>, forbidden_filename_extensions: list<string>}}
+	 * @return array{files: array{'$comment': ?string, bigfilechunking: bool, blacklisted_files: array<mixed>, forbidden_filenames: list<string>, forbidden_filename_basenames: list<string>, forbidden_filename_characters: list<string>, forbidden_filename_extensions: list<string>, chunked_upload: array{max_size: int, max_parallel_count: int}}}
 	 */
 	public function getCapabilities(): array {
 		return [
@@ -33,6 +34,10 @@ class Capabilities implements ICapability {
 				'forbidden_filename_extensions' => $this->filenameValidator->getForbiddenExtensions(),
 
 				'bigfilechunking' => true,
+				'chunked_upload' => [
+					'max_size' => ChunkedUploadConfig::getMaxChunkSize(),
+					'max_parallel_count' => ChunkedUploadConfig::getMaxParallelCount(),
+				],
 			],
 		];
 	}
diff --git a/apps/files/lib/Migration/Version2003Date20241021095629.php b/apps/files/lib/Migration/Version2003Date20241021095629.php
new file mode 100644
index 00000000000..30d05fa12ad
--- /dev/null
+++ b/apps/files/lib/Migration/Version2003Date20241021095629.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Files\Migration;
+
+use Closure;
+use OCA\Files\Service\ChunkedUploadConfig;
+use OCP\DB\ISchemaWrapper;
+use OCP\IConfig;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+use OCP\Server;
+
+class Version2003Date20241021095629 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure(): ISchemaWrapper $schemaClosure
+	 * @param array $options
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+		$maxChunkSize = Server::get(IConfig::class)->getAppValue('files', 'max_chunk_size');
+		if ($maxChunkSize === '') {
+			// Skip if no value was configured before
+			return;
+		}
+
+		ChunkedUploadConfig::setMaxChunkSize((int)$maxChunkSize);
+		Server::get(IConfig::class)->deleteAppValue('files', 'max_chunk_size');
+	}
+}
diff --git a/apps/files/lib/Service/ChunkedUploadConfig.php b/apps/files/lib/Service/ChunkedUploadConfig.php
new file mode 100644
index 00000000000..29661750f8b
--- /dev/null
+++ b/apps/files/lib/Service/ChunkedUploadConfig.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Files\Service;
+
+use OCP\IConfig;
+use OCP\Server;
+
+class ChunkedUploadConfig {
+	private const KEY_MAX_SIZE = 'files.chunked_upload.max_size';
+	private const KEY_MAX_PARALLEL_COUNT = 'files.chunked_upload.max_parallel_count';
+
+	public static function getMaxChunkSize(): int {
+		return Server::get(IConfig::class)->getSystemValueInt(self::KEY_MAX_SIZE, 100 * 1024 * 1024);
+	}
+
+	public static function setMaxChunkSize(int $maxChunkSize): void {
+		Server::get(IConfig::class)->setSystemValue(self::KEY_MAX_SIZE, $maxChunkSize);
+	}
+
+	public static function getMaxParallelCount(): int {
+		return Server::get(IConfig::class)->getSystemValueInt(self::KEY_MAX_PARALLEL_COUNT, 5);
+	}
+}