Hackathon finished

app/utils.py

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+# from passlib.context import CryptContext
+# import os
+# from datetime import datetime, timedelta
+# from typing import Union, Any
+# from jose import jwt
+
+# ACCESS_TOKEN_EXPIRE_MINUTES = 30  # 30 minutes
+# REFRESH_TOKEN_EXPIRE_MINUTES = 60 * 24 * 7 # 7 days
+# ALGORITHM = "HS256"
+# # В предположении, что попыток взлома не будет, возьмем простейший ключ
+# JWT_SECRET_KEY = "secret key" # может также быть os.environ["JWT_SECRET_KEY"]
+# JWT_REFRESH_SECRET_KEY = "refresh secret key" # может также быть os.environ["JWT_REFRESH_SECRET_KEY"]
+
+
+# def get_hashed_password(password: str) -> str:
+#     return password_context.hash(password)
+
+
+# def verify_password(password: str, hashed_pass: str) -> bool:
+#     return password_context.verify(password, hashed_pass)
+
+
+# def create_access_token(subject: Union[str, Any], expires_delta: int = None) -> str:
+#     if expires_delta is not None:
+#         expires_delta = datetime.utcnow() + expires_delta
+#     else:
+#         expires_delta = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    
+#     to_encode = {"exp": expires_delta, "sub": str(subject)}
+#     encoded_jwt = jwt.encode(to_encode, JWT_SECRET_KEY, ALGORITHM)
+#     return encoded_jwt
+
+# def create_refresh_token(subject: Union[str, Any], expires_delta: int = None) -> str:
+#     if expires_delta is not None:
+#         expires_delta = datetime.utcnow() + expires_delta
+#     else:
+#         expires_delta = datetime.utcnow() + timedelta(minutes=REFRESH_TOKEN_EXPIRE_MINUTES)
+    
+#     to_encode = {"exp": expires_delta, "sub": str(subject)}
+#     encoded_jwt = jwt.encode(to_encode, JWT_REFRESH_SECRET_KEY, ALGORITHM)
+#     return encoded_jwt
+
+
+
+from datetime import datetime, timedelta
+from typing import Annotated, Union
+
+from fastapi import Depends, FastAPI, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from pydantic import BaseModel
+
+# to get a string like this run:
+# openssl rand -hex 32
+SECRET_KEY = "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7"
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 30
+
+
+# fake_users_db = {
+#     "johndoe": {
+#         "email": "johndoe",
+#         "full_name": "John Doe",
+#         "email": "johndoe@example.com",
+#         "hashed_password": "$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW",
+#         "disabled": False,
+#     }
+# }
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+
+
+class TokenData(BaseModel):
+    email: Union[str, None] = None
+
+
+class User(BaseModel):
+    email: str
+    email: Union[str, None] = None
+    # password: str
+    # password: Union[str, None] = None
+    full_name: Union[str, None] = None
+    disabled: Union[bool, None] = None
+
+
+class UserInDB(User):
+    hashed_password: str
+
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
+
+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(db, email: str):
+    user = None
+    for person_with_correct_email in db:
+        if person_with_correct_email.email == email:
+            user = person_with_correct_email
+            break
+    return user #UserInDB(user_email)
+    
+
+
+def authenticate_user(db, email: str, password: str):
+    user = get_user(db, email)
+    if not user:
+        return False
+    if not verify_password(password, user.hashed_password):
+        return False
+    return user
+
+
+def create_access_token(data: dict, expires_delta: Union[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(token: Annotated[str, Depends(oauth2_scheme)]):
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        email: str = payload.get("sub")
+        if email is None:
+            raise credentials_exception
+        token_data = TokenData(email=email)
+    except JWTError:
+        raise credentials_exception
+    user = get_user(fake_users_db, email=token_data.email)
+    if user is None:
+        raise credentials_exception
+    return user
+
+
+async def get_current_active_user(
+    current_user: Annotated[User, Depends(get_current_user)]
+):
+    if current_user.disabled:
+        raise HTTPException(status_code=400, detail="Inactive user")
+    return current_user