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from fastapi import FastAPI, Request, Header, HTTPException
import httpx
app = FastAPI()
# Replace with your actual backend API key and base URL
API_KEY = "sk-qO9N6kQEEULMWtF4YGVlTTSjIPllEm1h1wfEBzSmnSbxiXwe"
BASE_URL = "https://fast.typegpt.net"
# Public API key for users to use
PUBLIC_API_KEY = "TypeGPT-Free4ALL"
@app.api_route("/{path:path}", methods=["GET", "POST"])
async def proxy(request: Request, path: str, x_api_key: str = Header(None)):
# Check if the public API key matches the expected value
if x_api_key != PUBLIC_API_KEY:
raise HTTPException(status_code=401, detail="Invalid API key. Please use 'TypeGPT-Free4ALL'.")
# Reconstruct full URL to target endpoint
target_url = f"{BASE_URL}/{path}"
# Prepare headers from the incoming request
headers = dict(request.headers)
headers["Authorization"] = f"Bearer {API_KEY}" # Add your secret API key here
headers.pop("host", None) # Remove host header to avoid conflicts
# Get the body of the request if present
body = await request.body()
# Make the actual request to the backend API
async with httpx.AsyncClient() as client:
response = await client.request(
request.method,
target_url,
content=body,
headers=headers
)
# Return the response back to the user
return response.json()
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