58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
import secrets
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import hashlib
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from datetime import datetime, timedelta, timezone
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from typing import Optional, Any
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import jwt
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import bcrypt
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from app.core.config import settings
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def get_password_hash(password: str) -> str:
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"""Hashes a password with bcrypt."""
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salt = bcrypt.gensalt()
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return bcrypt.hashpw(password.encode("utf-8"), salt).decode("utf-8")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""Verifies a plain password against a bcrypt hash."""
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try:
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return bcrypt.checkpw(plain_password.encode("utf-8"), hashed_password.encode("utf-8"))
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except Exception:
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return False
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def create_access_token(subject: Any, role: str = "ADMIN", expires_delta: Optional[timedelta] = None) -> str:
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"""Creates a JWT access token for authentication."""
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if expires_delta:
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expire = datetime.now(timezone.utc) + expires_delta
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else:
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expire = datetime.now(timezone.utc) + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode = {
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"exp": expire,
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"sub": str(subject),
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"role": role,
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"iat": datetime.now(timezone.utc)
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}
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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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"""Decodes and validates a JWT token."""
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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 Exception:
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return None
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def generate_registration_code() -> str:
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"""Generates an agent registration code formatted as OED-XXXX-XXXX."""
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part1 = secrets.token_hex(2).upper()
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part2 = secrets.token_hex(2).upper()
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return f"OED-{part1}-{part2}"
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def generate_device_token() -> str:
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"""Generates a high-entropy secret token for an agent device."""
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return f"oed_sec_{secrets.token_urlsafe(32)}"
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def hash_token(token: str) -> str:
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"""Returns the SHA-256 hex digest of a token for secure database lookup."""
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return hashlib.sha256(token.encode("utf-8")).hexdigest()
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