mirror of
https://github.com/open-webui/open-webui
synced 2024-11-06 08:56:39 +00:00
144 lines
4.5 KiB
Python
144 lines
4.5 KiB
Python
from fastapi import FastAPI, Request, Response, HTTPException, Depends
|
|
from fastapi.middleware.cors import CORSMiddleware
|
|
from fastapi.responses import StreamingResponse, JSONResponse
|
|
|
|
import requests
|
|
import json
|
|
from pydantic import BaseModel
|
|
|
|
from apps.web.models.users import Users
|
|
from constants import ERROR_MESSAGES
|
|
from utils.utils import decode_token, get_current_user
|
|
from config import OPENAI_API_BASE_URL, OPENAI_API_KEY
|
|
|
|
app = FastAPI()
|
|
app.add_middleware(
|
|
CORSMiddleware,
|
|
allow_origins=["*"],
|
|
allow_credentials=True,
|
|
allow_methods=["*"],
|
|
allow_headers=["*"],
|
|
)
|
|
|
|
app.state.OPENAI_API_BASE_URL = OPENAI_API_BASE_URL
|
|
app.state.OPENAI_API_KEY = OPENAI_API_KEY
|
|
|
|
|
|
class UrlUpdateForm(BaseModel):
|
|
url: str
|
|
|
|
|
|
class KeyUpdateForm(BaseModel):
|
|
key: str
|
|
|
|
|
|
@app.get("/url")
|
|
async def get_openai_url(user=Depends(get_current_user)):
|
|
if user and user.role == "admin":
|
|
return {"OPENAI_API_BASE_URL": app.state.OPENAI_API_BASE_URL}
|
|
else:
|
|
raise HTTPException(status_code=401,
|
|
detail=ERROR_MESSAGES.ACCESS_PROHIBITED)
|
|
|
|
|
|
@app.post("/url/update")
|
|
async def update_openai_url(form_data: UrlUpdateForm,
|
|
user=Depends(get_current_user)):
|
|
if user and user.role == "admin":
|
|
app.state.OPENAI_API_BASE_URL = form_data.url
|
|
return {"OPENAI_API_BASE_URL": app.state.OPENAI_API_BASE_URL}
|
|
else:
|
|
raise HTTPException(status_code=401,
|
|
detail=ERROR_MESSAGES.ACCESS_PROHIBITED)
|
|
|
|
|
|
@app.get("/key")
|
|
async def get_openai_key(user=Depends(get_current_user)):
|
|
if user and user.role == "admin":
|
|
return {"OPENAI_API_KEY": app.state.OPENAI_API_KEY}
|
|
else:
|
|
raise HTTPException(status_code=401,
|
|
detail=ERROR_MESSAGES.ACCESS_PROHIBITED)
|
|
|
|
|
|
@app.post("/key/update")
|
|
async def update_openai_key(form_data: KeyUpdateForm,
|
|
user=Depends(get_current_user)):
|
|
if user and user.role == "admin":
|
|
app.state.OPENAI_API_KEY = form_data.key
|
|
return {"OPENAI_API_KEY": app.state.OPENAI_API_KEY}
|
|
else:
|
|
raise HTTPException(status_code=401,
|
|
detail=ERROR_MESSAGES.ACCESS_PROHIBITED)
|
|
|
|
|
|
@app.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE"])
|
|
async def proxy(path: str, request: Request, user=Depends(get_current_user)):
|
|
target_url = f"{app.state.OPENAI_API_BASE_URL}/{path}"
|
|
print(target_url, app.state.OPENAI_API_KEY)
|
|
|
|
if user.role not in ["user", "admin"]:
|
|
raise HTTPException(status_code=401,
|
|
detail=ERROR_MESSAGES.ACCESS_PROHIBITED)
|
|
if app.state.OPENAI_API_KEY == "":
|
|
raise HTTPException(status_code=401,
|
|
detail=ERROR_MESSAGES.API_KEY_NOT_FOUND)
|
|
|
|
body = await request.body()
|
|
# headers = dict(request.headers)
|
|
# print(headers)
|
|
|
|
headers = {}
|
|
headers["Authorization"] = f"Bearer {app.state.OPENAI_API_KEY}"
|
|
headers["Content-Type"] = "application/json"
|
|
|
|
try:
|
|
r = requests.request(
|
|
method=request.method,
|
|
url=target_url,
|
|
data=body,
|
|
headers=headers,
|
|
stream=True,
|
|
)
|
|
|
|
r.raise_for_status()
|
|
|
|
# Check if response is SSE
|
|
if "text/event-stream" in r.headers.get("Content-Type", ""):
|
|
return StreamingResponse(
|
|
r.iter_content(chunk_size=8192),
|
|
status_code=r.status_code,
|
|
headers=dict(r.headers),
|
|
)
|
|
else:
|
|
# For non-SSE, read the response and return it
|
|
# response_data = (
|
|
# r.json()
|
|
# if r.headers.get("Content-Type", "")
|
|
# == "application/json"
|
|
# else r.text
|
|
# )
|
|
|
|
response_data = r.json()
|
|
|
|
print(type(response_data))
|
|
|
|
if "openai" in app.state.OPENAI_API_BASE_URL and path == "models":
|
|
response_data["data"] = list(
|
|
filter(lambda model: "gpt" in model["id"],
|
|
response_data["data"]))
|
|
|
|
return response_data
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Ollama WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"External: {res['error']}"
|
|
except:
|
|
error_detail = f"External: {e}"
|
|
|
|
raise HTTPException(status_code=r.status_code, detail=error_detail)
|