nextcloud / files_texteditor

		$range = $this->request->getHeader('Range');

		if ($range !== '') {

			$matches = [];

			if (preg_match('/bytes=0-(\d+)$/', $range, $matches) === 0) {

				return new DataResponse(['message' => $this->l->t('Invalid range request')], Http::STATUS_REQUEST_RANGE_NOT_SATISFIABLE);

			}

			$range = (int)$matches[1];

		} else {

			$range = -1;

				/** @var File $file */

				$file = $this->userFolder->get($path);

				if ($file instanceof Folder) {

					return new DataResponse(['message' => $this->l->t('You can not open a folder')], Http::STATUS_BAD_REQUEST);

				}

				// default of 4MB

				$maxSize = 4194304;

				// default of 4MB

				$maxSize = 4194304;

				if ($file->getSize() > $maxSize) {

					return new DataResponse(['message' => (string)$this->l->t('This file is too big to be opened. Please download the file instead.')], Http::STATUS_BAD_REQUEST);

				}

				$fileContents = $file->getContent();

				if ($fileContents !== false) {

					$writable = $file->isUpdateable();

				/** @var File $file */

				$file = $this->userFolder->get($path);

				if ($file instanceof Folder) {

					return new DataResponse(['message' => $this->l->t('You can not write to a folder')], Http::STATUS_BAD_REQUEST);

				}

				// Get file mtime

				$filemtime = $file->getMTime();