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fix: workaround socketio upstream bug when websockets are not available

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This commit is contained in:
Jun Siang Cheah 2024-09-08 11:54:56 +01:00
parent 827c419251
commit 9401f6c821
2 changed files with 21 additions and 10 deletions
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18
backend/open_webui/main.py
View File

@ -812,6 +812,24 @@ async def update_embedding_function(request: Request, call_next):
return response
@app.middleware("http")
async def inspect_websocket(request: Request, call_next):
if (
"/ws/socket.io" in request.url.path
and request.query_params.get("transport") == "websocket"
):
upgrade = (request.headers.get("Upgrade") or "").lower()
connection = (request.headers.get("Connection") or "").lower().split(",")
# Check that there's the correct headers for an upgrade, else reject the connection
# This is to work around this upstream issue: https://github.com/miguelgrinberg/python-engineio/issues/367
if upgrade != "websocket" or "upgrade" not in connection:
return JSONResponse(
status_code=status.HTTP_400_BAD_REQUEST,
content={"detail": "Invalid WebSocket upgrade request"},
)
return await call_next(request)
app.mount("/ws", socket_app)
app.mount("/ollama", ollama_app)

13
src/routes/+layout.svelte
View File

@ -38,27 +38,20 @@
let loaded = false;
const BREAKPOINT = 768;
const setupSocket = (websocket = true) => {
const setupSocket = () => {
const _socket = io(`${WEBUI_BASE_URL}` || undefined, {
reconnection: true,
reconnectionDelay: 1000,
reconnectionDelayMax: 5000,
randomizationFactor: 0.5,
path: '/ws/socket.io',
auth: { token: localStorage.token },
transports: websocket ? ['websocket'] : ['polling']
auth: { token: localStorage.token }
});
socket.set(_socket);
_socket.on('connect_error', (err) => {
if (err.message.includes('websocket')) {
console.log('WebSocket connection failed, falling back to polling');
_socket.close();
setupSocket(false);
} else {
console.log('connect_error', err);
}
console.log('connect_error', err);
});
_socket.on('connect', () => {