basic users model and views
This commit is contained in:
164
users/views.py
164
users/views.py
@@ -3,13 +3,8 @@ from fastapi import APIRouter, Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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from starlette.status import HTTP_401_UNAUTHORIZED
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from sqlalchemy.orm import Session
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from sqlalchemy import select
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from passlib.context import CryptContext
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from jose import JWTError, jwt
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# from app.db import get_session
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from app.settings import settings
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from pydantic import BaseModel
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from typing import List
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@@ -19,97 +14,56 @@ from users.models import User
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/users/token")
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# router = APIRouter()
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def create_access_token(data: dict, expires_delta: timedelta | None = None) -> str:
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=15)
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to_encode.update({"exp": expire})
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# def verify_password(plain_password, hashed_password):
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# return pwd_context.verify(plain_password, hashed_password)
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encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=ALGORITHM)
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# def get_password_hash(password):
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# return pwd_context.hash(password)
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return encoded_jwt
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# def authenticate_user(username: str, password: str, db: Session):
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# statement = select(User).where(User.username == username)
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# result = db.execute(statement).fetchone()
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def verify_access_token(token: str) -> bool:
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try:
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payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[ALGORITHM])
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user_id: str = payload.get("sub", None)
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if user_id is None:
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return False
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except JWTError:
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return False
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# if result:
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# print(result.User.__dict__)
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# if not verify_password(password, result.User.hashed_password):
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# return False
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return True
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# return result.User
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# def create_access_token(data: dict, expires_delta: timedelta | None = None):
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# to_encode = data.copy()
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# if expires_delta:
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# expire = datetime.utcnow() + expires_delta
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# else:
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# expire = datetime.utcnow() + timedelta(minutes=15)
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# to_encode.update({"exp": expire})
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# encoded_jwt = jwt.encode(to_encode, settings.SECRET_KEY, algorithm=ALGORITHM)
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# return encoded_jwt
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# async def get_current_user(token: str = Depends(oauth2_scheme)):
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# credentials_exception = HTTPException(
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# status_code=status.HTTP_401_UNAUTHORIZED,
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# detail="Could not validate credentials",
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# headers={"WWW-Authenticate": "Bearer"},
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# )
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# try:
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# payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[ALGORITHM])
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# username: str = payload.get("sub", None)
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# if username is None:
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# raise credentials_exception
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# token_data = TokenData(username=username)
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# except JWTError:
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# raise credentials_exception
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# user = get_user(username=token_data.username)
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# if user is None:
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# raise credentials_exception
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# return user
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# async def get_current_active_user(current_user: User = Depends(get_current_user)):
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# if current_user.disabled:
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# raise HTTPException(status_code=400, detail="Inactive user")
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# return current_user
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# @router.post("/register/", tags=["users"])
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# async def register(db: Session = Depends(get_session)):
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# pass
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# @router.get("/login/", tags=["users"])
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# async def login(session: Session = Depends(get_session)):
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# username = "johndoe"
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# statement = select(User).where(User.username == username)
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# result = session.execute(statement).first()
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# print(result)
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# return {"hi": "there"}
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# @router.post("/token", tags=["users"])
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# async def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends(), db: Session = Depends(get_session)):
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# user = authenticate_user(form_data.username, form_data.password, db)
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# if not user:
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# raise HTTPException(
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# status_code=HTTP_401_UNAUTHORIZED,
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# detail="Incorrect username or password",
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# headers={"WWW-Authenticate": "Bearer"},
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# )
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# access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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# access_token = create_access_token(
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# data = {"sub": user.username}, expires_delta=access_token_expires
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# )
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# return {"access_token": access_token, "token_type": "bearer"}
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async def get_current_user(token: str = Depends(oauth2_scheme)):
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[ALGORITHM])
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user_id: str = payload.get("sub", None)
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if user_id is None:
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raise credentials_exception
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except JWTError:
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raise credentials_exception
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user = await User.get(user_id)
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if user is None:
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raise credentials_exception
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return user
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class UserSchema(BaseModel):
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username: str
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full_name: str
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plain_password: str
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email: str
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class UserSerializer(BaseModel):
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id: str
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@@ -118,8 +72,19 @@ class UserSerializer(BaseModel):
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class Config:
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orm_mode = True
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class UserPassVerifySchema(BaseModel):
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id: str
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plain_password: str
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class PasswordSerializer(BaseModel):
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correct_password: bool
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class TokenSchema(BaseModel):
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token: str
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router = APIRouter(
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prefix="/users",
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tags=["users"],
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)
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@router.post("/", response_model=UserSerializer)
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@@ -129,6 +94,15 @@ async def create_user(user: UserSchema):
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user = await User.create(**user.dict())
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return user
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@router.get("/me", response_model=UserSerializer)
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async def read_users_me(current_user: User = Depends(get_current_user)):
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return current_user
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@router.post("/verify", response_model=PasswordSerializer)
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async def verify_user_password(user: UserPassVerifySchema):
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us = await User.get(id=user.id)
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return PasswordSerializer(correct_password=us.verify_password(user.plain_password))
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@router.get("/{id}", response_model=UserSerializer)
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async def get_user(id: str):
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user = await User.get(id)
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@@ -147,3 +121,23 @@ async def update(id: str, user: UserSchema):
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@router.delete("/{id}", response_model=bool)
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async def delete_user(id: str):
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return await User.delete(id)
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@router.post("/check-login", response_model=bool)
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async def check_if_token_still_active(token: TokenSchema):
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return verify_access_token(token.token)
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@router.post("/token")
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async def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends()):
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user = await User.authenticate_user(form_data.username, form_data.password)
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if not user:
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raise HTTPException(
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status_code=HTTP_401_UNAUTHORIZED,
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detail="Incorrect username or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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access_token = create_access_token(
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data = {"sub": user.id}, expires_delta=access_token_expires
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)
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return {"access_token": access_token, "token_type": "bearer"}
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