refactor: move security services to security dir

src/security/auth.py

@@ -0,0 +1,89 @@
+from pydantic import BaseModel
+from fastapi import Depends, FastAPI, APIRouter, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from passlib.context import CryptContext
+from jose import JWTError, jwt
+from datetime import datetime, timedelta
+from src.services.users.users import *
+from fastapi import Cookie, FastAPI
+from src.security.security import *
+from fastapi_jwt_auth import AuthJWT
+from fastapi_jwt_auth.exceptions import AuthJWTException
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
+
+#### JWT Auth ####################################################
+class Settings(BaseModel):
+    authjwt_secret_key: str = "secret"
+    authjwt_token_location = {"cookies"}
+    authjwt_cookie_csrf_protect = False
+    authjwt_access_token_expires = False # (pre-alpha only) # TODO: set to 1 hour 
+    authjwt_cookie_samesite = "none"
+    authjwt_cookie_secure = True
+    
+    
+@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_required()
+        username = Authorize.get_jwt_subject()
+        token_data = TokenData(username=username)  # type: ignore
+    except JWTError:
+        raise credentials_exception
+    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())
+    
+    

src/security/security.py

@@ -0,0 +1,125 @@
+from pprint import pprint
+from fastapi import HTTPException, status, Request
+from passlib.context import CryptContext
+from passlib.hash import pbkdf2_sha256
+from src.services.roles.schemas.roles import RoleInDB
+
+from src.services.users.schemas.users import User, UserInDB
+
+### 🔒 JWT ##############################################################
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+ACCESS_TOKEN_EXPIRE_MINUTES = 30
+SECRET_KEY = "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7"
+ALGORITHM = "HS256"
+
+### 🔒 JWT ##############################################################
+
+
+### 🔒 Passwords Hashing ##############################################################
+
+async def security_hash_password(password: str):
+    return pbkdf2_sha256.hash(password)
+
+
+async def security_verify_password(plain_password: str, hashed_password: str):
+    return pbkdf2_sha256.verify(plain_password, hashed_password)
+
+### 🔒 Passwords Hashing ##############################################################
+
+### 🔒 Roles checking  ##############################################################
+
+
+async def verify_user_rights_with_roles(request: Request, action: str, user_id: str, element_id: str, element_org_id: str):
+    """
+    Check if the user has the right to perform the action on the element
+    """
+    roles = request.app.db["roles"]
+    users = request.app.db["users"]
+
+    # Check if the user is an admin
+    user: UserInDB = UserInDB(**await users.find_one({"user_id": user_id}))
+
+    # Organization roles verification
+    for org in user.orgs:
+        # TODO: Check if the org_id (user) is the same as the org_id (element)
+
+        if org.org_id == element_org_id:
+            return True
+
+        # Check if user is owner or reader of the organization
+        if org.org_role == ("owner" or "editor"):
+            return True
+
+    # If the user is not an owner or a editor, check if he has a role
+    # Get user roles
+    user_roles = user.roles
+
+    # TODO: Check if the org_id of the role is the same as the org_id of the element using find
+
+    if action != "create":
+        await check_user_role_org_with_element_org(request, element_id, user_roles)
+
+    # Check if user has the right role
+
+    element_type = await check_element_type(element_id)
+    for role_id in user_roles:
+        role = RoleInDB(**await roles.find_one({"role_id": role_id}))
+        if role.elements[element_type][f"action_{action}"]:
+            return True
+
+    # If no role is found, raise an error
+    raise HTTPException(
+        status_code=status.HTTP_403_FORBIDDEN, detail="You don't have the right to perform this action")
+
+
+async def check_element_type(element_id):
+    """
+    Check if the element is a course, a user, a house or a collection, by checking its prefix
+    """
+    if element_id.startswith("course_"):
+        return "courses"
+    elif element_id.startswith("user_"):
+        return "users"
+    elif element_id.startswith("house_"):
+        return "houses"
+    elif element_id.startswith("org_"):
+        return "organizations"
+    elif element_id.startswith("coursechapter_"):
+        return "coursechapters"
+    elif element_id.startswith("collection_"):
+        return "collections"
+    elif element_id.startswith("activity_"):
+        return "activities"
+    else:
+        raise HTTPException(
+            status_code=status.HTTP_409_CONFLICT, detail="Issue verifying element nature")
+
+
+async def check_user_role_org_with_element_org(request: Request, element_id: str, roles_list: list[str]):
+
+    element_type = await check_element_type(element_id)
+    element = request.app.db[element_type]
+    roles = request.app.db["roles"]
+
+    # get singular element type
+    singular_form_element = element_type[:-1]
+
+    element_type_id = singular_form_element + "_id"
+    
+    element_org = await element.find_one({element_type_id: element_id})
+
+
+    for role_id in roles_list:
+        role = RoleInDB(**await roles.find_one({"role_id": role_id}))
+        if role.org_id == element_org["org_id"]:
+            return True
+        if role.org_id == "*":
+            return True
+
+        else:
+            raise HTTPException(
+                status_code=status.HTTP_403_FORBIDDEN, detail="You don't have the right to perform this action")
+
+### 🔒 Roles checking  ##############################################################