Update code in endpoints/login-person.get.py

endpoints/login-person.get.py

@@ -0,0 +1,107 @@
+from typing import Optional
+from datetime import datetime, timedelta
+from fastapi import APIRouter, Depends, HTTPException, Response, status
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from jose import jwt, JWTError
+from passlib.context import CryptContext
+from pydantic import BaseModel, EmailStr, validator
+from core.database import fake_users_db
+from core.config import settings
+
+router = APIRouter()
+
+# Password hashing utility
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+# JWT utilities
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/login")
+SECRET_KEY = settings.SECRET_KEY
+ALGORITHM = settings.ALGORITHM
+ACCESS_TOKEN_EXPIRE_MINUTES = settings.ACCESS_TOKEN_EXPIRE_MINUTES
+REFRESH_TOKEN_EXPIRE_MINUTES = settings.REFRESH_TOKEN_EXPIRE_MINUTES
+
+# User model
+class User(BaseModel):
+    username: str
+    email: EmailStr
+    disabled: bool = False
+
+    @validator('username')
+    def username_alphanumeric(cls, v):
+        assert v.isalnum(), 'Username must be alphanumeric'
+        return v
+
+# Token data model
+class TokenData(BaseModel):
+    username: str = None
+
+# Utility functions
+def verify_password(plain_password, hashed_password):
+    return pwd_context.verify(plain_password, hashed_password)
+
+def get_password_hash(password):
+    return pwd_context.hash(password)
+
+def get_user(username: str):
+    user_data = fake_users_db.get(username)
+    if user_data:
+        user = User(**user_data)
+        return user
+
+def authenticate_user(username: str, password: str):
+    user = get_user(username)
+    if not user:
+        return False
+    if not verify_password(password, user.password):
+        return False
+    return user
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = 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
+
+def create_refresh_token(data: dict, expires_delta: Optional[timedelta] = None):
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(days=7)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+@router.post("/login")
+async def login_person(response: Response, form_data: OAuth2PasswordRequestForm = Depends()):
+    """Demo login endpoint"""
+    user = authenticate_user(form_data.username, form_data.password)
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    access_token = create_access_token(
+        data={"sub": user.username}, expires_delta=access_token_expires
+    )
+
+    refresh_token_expires = timedelta(minutes=REFRESH_TOKEN_EXPIRE_MINUTES)
+    refresh_token = create_refresh_token(
+        data={"sub": user.username}, expires_delta=refresh_token_expires
+    )
+
+    response.set_cookie(
+        key="access_token", value=f"Bearer {access_token}", httponly=True
+    )
+    response.set_cookie(
+        key="refresh_token", value=f"Bearer {refresh_token}", httponly=True
+    )
+
+    return {"message": "Login successful", "access_token": access_token, "refresh_token": refresh_token}