nextcloud / richdocuments

				&& !Filesystem::isFileBlacklisted($files['tmp_name'][0])) {

				// TODO: ensure the size limit is decent for preview

				if ($files['size'][0] > $this->maxSize) {

					return new JSONResponse(

						['data' => ['message' => $this->l10n->t('File is too big')]],

						Http::STATUS_BAD_REQUEST

					);

				}

				if (!$this->manager->isValidTemplateMime($files['type'][0])) {

					return new JSONResponse(

					);

				}

				if (!$this->manager->isValidTemplateMime($files['type'][0])) {

					return new JSONResponse(

						['data' => ['message' => $this->l10n->t('Only template files can be uploaded')]],

						Http::STATUS_BAD_REQUEST

					);

				}

				$templateName = $files['name'][0];

				$templateFile = file_get_contents($files['tmp_name'][0]);