update v0.1.4.5

plugins/web_ui/auth/__init__.py

@@ -0,0 +1,89 @@
+from datetime import datetime, timedelta
+from typing import Optional
+from starlette import status
+from fastapi import Depends, HTTPException
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from pydantic import BaseModel
+from configs.config import Config
+from jose import JWTError, jwt
+import nonebot
+
+app = nonebot.get_app()
+
+
+SECRET_KEY = "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7"
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 30
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="webui/login")
+
+
+class User(BaseModel):
+    username: str
+    password: str
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+
+
+# USER_LIST = [
+#     User(username="admin", password="123")
+# ]
+
+
+def get_user(uname: str) -> Optional[User]:
+    username = Config.get_config("web-ui", "username")
+    password = Config.get_config("web-ui", "password")
+    if username and password and uname == username:
+        return User(username=username, password=password)
+
+
+form_exception = HTTPException(
+    status_code=status.HTTP_401_UNAUTHORIZED,
+    detail="Could not validate credentials",
+    headers={"WWW-Authenticate": "Bearer"},
+)
+
+
+def create_token(user: User, expires_delta: Optional[timedelta] = None):
+    expire = datetime.utcnow() + expires_delta or timedelta(minutes=15)
+    return jwt.encode(
+        claims={"sub": user.username, "exp": expire},
+        key=SECRET_KEY,
+        algorithm=ALGORITHM
+    )
+
+
+@app.post("/webui/login")
+async def login_get_token(form_data: OAuth2PasswordRequestForm = Depends()):
+    user: User = get_user(form_data.username)
+    if not user or user.password != form_data.password:
+        raise form_exception
+    access_token = create_token(user=user, expires_delta=timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES))
+    return {"access_token": access_token, "token_type": "bearer"}
+
+
+credentials_exception = HTTPException(
+    status_code=status.HTTP_401_UNAUTHORIZED,
+    detail="Could not validate credentials",
+    headers={"WWW-Authenticate": "Bearer"},
+)
+
+
+def token_to_user(token: str = Depends(oauth2_scheme)):
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        username, expire = payload.get("sub"), payload.get("exp")
+        user = get_user(username)
+        if user is None:
+            raise JWTError
+    except JWTError:
+        raise credentials_exception
+    return user
+
+
+if __name__ == '__main__':
+    import uvicorn
+    uvicorn.run(app, host="127.0.0.1", port=8080)