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🔧 fix: Handle Web API Streams in File Download Route for OpenAI Assistants (#9200)

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Arthur Barrett 2025-08-28 12:39:35 -04:00 • committed by GitHub
parent 43add11b05
commit b75b799e34
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1 changed files with 11 additions and 8 deletions
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19
api/server/routes/files/files.js
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@ -31,6 +31,7 @@ const { getAssistant } = require('~/models/Assistant');
const { getAgent } = require('~/models/Agent');
const { getLogStores } = require('~/cache');
const { logger } = require('~/config');
const { Readable } = require('stream');
const router = express.Router();
@ -325,11 +326,6 @@ router.get('/download/:userId/:file_id', fileAccess, async (req, res) => {
res.setHeader('X-File-Metadata', JSON.stringify(file));
};
/** @type {{ body: import('stream').PassThrough } | undefined} */
let passThrough;
/** @type {ReadableStream | undefined} */
let fileStream;
if (checkOpenAIStorage(file.source)) {
req.body = { model: file.model };
const endpointMap = {
@ -342,12 +338,19 @@ router.get('/download/:userId/:file_id', fileAccess, async (req, res) => {
overrideEndpoint: endpointMap[file.source],
});
logger.debug(`Downloading file ${file_id} from OpenAI`);
passThrough = await getDownloadStream(file_id, openai);
const passThrough = await getDownloadStream(file_id, openai);
setHeaders();
logger.debug(`File ${file_id} downloaded from OpenAI`);
passThrough.body.pipe(res);
// Handle both Node.js and Web streams
const stream =
passThrough.body && typeof passThrough.body.getReader === 'function'
? Readable.fromWeb(passThrough.body)
: passThrough.body;
stream.pipe(res);
} else {
fileStream = await getDownloadStream(req, file.filepath);
const fileStream = await getDownloadStream(req, file.filepath);
fileStream.on('error', (streamError) => {
logger.error('[DOWNLOAD ROUTE] Stream error:', streamError);