90 lines
2.1 KiB
Python
90 lines
2.1 KiB
Python
"""
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Tool_OCR - Security Utilities
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JWT token generation and password hashing
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"""
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from datetime import datetime, timedelta
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from typing import Optional
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import logging
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from app.core.config import settings
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logger = logging.getLogger(__name__)
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# Password hashing context
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""
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Verify a password against a hash
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Args:
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plain_password: Plain text password
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hashed_password: Hashed password from database
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Returns:
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bool: True if password matches, False otherwise
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"""
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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"""
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Hash a password
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Args:
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password: Plain text password
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Returns:
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str: Hashed password
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"""
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return pwd_context.hash(password)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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"""
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Create JWT access token
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Args:
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data: Data to encode in token (typically {"sub": user_id})
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expires_delta: Optional expiration time delta
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Returns:
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str: Encoded JWT token
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"""
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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=settings.access_token_expire_minutes)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, settings.secret_key, algorithm=settings.algorithm)
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return encoded_jwt
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def decode_access_token(token: str) -> Optional[dict]:
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"""
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Decode and verify JWT access token
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Args:
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token: JWT token string
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Returns:
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dict: Decoded token payload, or None if invalid
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"""
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try:
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payload = jwt.decode(token, settings.secret_key, algorithms=[settings.algorithm])
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return payload
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except JWTError as e:
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logger.warning(f"JWT decode error: {e}")
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return None
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