feat: refactor the entire learnhouse project

apps/api/src/security/auth.py

@@ -0,0 +1,94 @@
+from config.config import get_learnhouse_config
+from pydantic import BaseModel
+from fastapi import Depends, HTTPException, Request, status
+from fastapi.security import OAuth2PasswordBearer
+from jose import JWTError, jwt
+from datetime import datetime, timedelta
+from src.services.dev.dev import isDevModeEnabled
+from src.services.users.schemas.users import AnonymousUser, PublicUser
+from src.services.users.users import security_get_user, security_verify_password
+from src.security.security import ALGORITHM, SECRET_KEY
+from fastapi_jwt_auth import AuthJWT
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
+
+
+#### JWT Auth ####################################################
+class Settings(BaseModel):
+    authjwt_secret_key: str = "secret" if isDevModeEnabled() else SECRET_KEY
+    authjwt_token_location = {"cookies", "headers"}
+    authjwt_cookie_csrf_protect = False
+    authjwt_access_token_expires = False if isDevModeEnabled() else 28800
+    authjwt_cookie_samesite = "lax"
+    authjwt_cookie_secure = True
+    authjwt_cookie_domain = get_learnhouse_config().hosting_config.cookie_config.domain
+
+
+@AuthJWT.load_config  # type: ignore
+def get_config():
+    return Settings()
+
+
+#### JWT Auth ####################################################
+
+
+#### Classes ####################################################
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+
+
+class TokenData(BaseModel):
+    username: str | None = None
+
+
+#### Classes ####################################################
+
+
+async def authenticate_user(request: Request, email: str, password: str):
+    user = await security_get_user(request, email)
+    if not user:
+        return False
+    if not await security_verify_password(password, user.password):
+        return False
+    return user
+
+
+def create_access_token(data: dict, expires_delta: timedelta | None = None):
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=15)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+
+async def get_current_user(request: Request, Authorize: AuthJWT = Depends()):
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+
+    try:
+        Authorize.jwt_optional()
+        username = Authorize.get_jwt_subject() or None
+        token_data = TokenData(username=username)  # type: ignore
+    except JWTError:
+        raise credentials_exception
+    if username:
+        user = await security_get_user(request, email=token_data.username)  # type: ignore # treated as an email
+        if user is None:
+            raise credentials_exception
+        return PublicUser(**user.dict())
+    else:
+        return AnonymousUser()
+
+
+async def non_public_endpoint(current_user: PublicUser):
+    if isinstance(current_user, AnonymousUser):
+        raise HTTPException(status_code=401, detail="Not authenticated")