Merge branch 'main' into bun

backend/apps/openai/main.py

@@ -0,0 +1,135 @@
+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)