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-rw-r--r--g4f/api/__init__.py46
-rw-r--r--g4f/cli.py2
2 files changed, 43 insertions, 5 deletions
diff --git a/g4f/api/__init__.py b/g4f/api/__init__.py
index aaac1827..f986a14f 100644
--- a/g4f/api/__init__.py
+++ b/g4f/api/__init__.py
@@ -3,11 +3,14 @@ from __future__ import annotations
import logging
import json
import uvicorn
+import secrets
from fastapi import FastAPI, Response, Request
from fastapi.responses import StreamingResponse, RedirectResponse, HTMLResponse, JSONResponse
from fastapi.exceptions import RequestValidationError
-from starlette.status import HTTP_422_UNPROCESSABLE_ENTITY
+from fastapi.security import APIKeyHeader
+from starlette.exceptions import HTTPException
+from starlette.status import HTTP_422_UNPROCESSABLE_ENTITY, HTTP_401_UNAUTHORIZED, HTTP_403_FORBIDDEN
from fastapi.encoders import jsonable_encoder
from pydantic import BaseModel
from typing import Union, Optional
@@ -17,10 +20,13 @@ import g4f.debug
from g4f.client import AsyncClient
from g4f.typing import Messages
-def create_app() -> FastAPI:
+global _g4f_api_key
+
+def create_app():
app = FastAPI()
- api = Api(app)
+ api = Api(app, g4f_api_key=_g4f_api_key)
api.register_routes()
+ api.register_authorization()
api.register_validation_exception_handler()
return app
@@ -43,9 +49,34 @@ def set_list_ignored_providers(ignored: list[str]):
list_ignored_providers = ignored
class Api:
- def __init__(self, app: FastAPI) -> None:
+ def __init__(self, app: FastAPI, g4f_api_key=None) -> None:
self.app = app
self.client = AsyncClient()
+ self.g4f_api_key = g4f_api_key
+ print(g4f_api_key)
+ self.get_g4f_api_key = APIKeyHeader(name="g4f-api-key")
+
+ def register_authorization(self):
+ @self.app.middleware("http")
+ async def authorization(request: Request, call_next):
+ if self.g4f_api_key and request.url.path in ["/v1/chat/completions", "/v1/completions"]:
+ try:
+ user_g4f_api_key = await self.get_g4f_api_key(request)
+ except HTTPException as e:
+ if e.status_code == 403:
+ print(e)
+ return JSONResponse(
+ status_code=HTTP_401_UNAUTHORIZED,
+ content=jsonable_encoder({"detail": "G4F API key required"}),
+ )
+ if not secrets.compare_digest(self.g4f_api_key, user_g4f_api_key):
+ return JSONResponse(
+ status_code=HTTP_403_FORBIDDEN,
+ content=jsonable_encoder({"detail": "Invalid G4F API key"}),
+ )
+
+ response = await call_next(request)
+ return response
def register_validation_exception_handler(self):
@self.app.exception_handler(RequestValidationError)
@@ -153,8 +184,13 @@ def run_api(
bind: str = None,
debug: bool = False,
workers: int = None,
+ g4f_api_key: str = None,
use_colors: bool = None
) -> None:
+
+ global _g4f_api_key
+ _g4f_api_key = g4f_api_key
+
print(f'Starting server... [g4f v-{g4f.version.utils.current_version}]' + (" (debug)" if debug else ""))
if use_colors is None:
use_colors = debug
@@ -162,4 +198,4 @@ def run_api(
host, port = bind.split(":")
if debug:
g4f.debug.logging = True
- uvicorn.run("g4f.api:create_app", host=host, port=int(port), workers=workers, use_colors=use_colors, factory=True)# \ No newline at end of file
+ uvicorn.run("g4f.api:create_app", host=host, port=int(port), workers=workers, use_colors=use_colors, factory=True) \ No newline at end of file
diff --git a/g4f/cli.py b/g4f/cli.py
index 86fc2dbb..9037a6f1 100644
--- a/g4f/cli.py
+++ b/g4f/cli.py
@@ -16,6 +16,7 @@ def main():
api_parser.add_argument("--workers", type=int, default=None, help="Number of workers.")
api_parser.add_argument("--disable-colors", action="store_true", help="Don't use colors.")
api_parser.add_argument("--ignore-cookie-files", action="store_true", help="Don't read .har and cookie files.")
+ api_parser.add_argument("--g4f-api-key", type=str, default=None, help="Sets an authentication key for your API.")
api_parser.add_argument("--ignored-providers", nargs="+", choices=[provider for provider in Provider.__map__],
default=[], help="List of providers to ignore when processing request.")
subparsers.add_parser("gui", parents=[gui_parser()], add_help=False)
@@ -42,6 +43,7 @@ def run_api_args(args):
bind=args.bind,
debug=args.debug,
workers=args.workers,
+ g4f_api_key=args.g4f_api_key,
use_colors=not args.disable_colors
)