72 lines
2.0 KiB
Python
72 lines
2.0 KiB
Python
import hashlib
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import secrets
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import uuid
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from dataclasses import dataclass
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from datetime import datetime, timedelta, timezone
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import jwt
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from jwt.exceptions import InvalidTokenError
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from pwdlib import PasswordHash
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from app.config import settings
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password_hash = PasswordHash.recommended()
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DUMMY_PASSWORD_HASH = password_hash.hash("opencloud-dummy-password")
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@dataclass(frozen=True)
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class AccessTokenPayload:
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user_id: uuid.UUID
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session_id: uuid.UUID
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def hash_password(password: str) -> str:
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return password_hash.hash(password)
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def verify_password(password: str, encoded_hash: str) -> bool:
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return password_hash.verify(password, encoded_hash)
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def create_random_token() -> str:
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return secrets.token_urlsafe(48)
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def hash_token(token: str) -> str:
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return hashlib.sha256(token.encode("utf-8")).hexdigest()
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def create_access_token(user_id: uuid.UUID, session_id: uuid.UUID) -> str:
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now = datetime.now(timezone.utc)
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payload = {
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"sub": str(user_id),
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"sid": str(session_id),
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"type": "access",
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"iat": now,
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"exp": now + timedelta(minutes=settings.access_token_expire_minutes),
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"jti": str(uuid.uuid4()),
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}
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return jwt.encode(payload, settings.secret_key, algorithm=settings.jwt_algorithm)
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def decode_access_token(token: str) -> AccessTokenPayload:
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try:
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payload = jwt.decode(token, settings.secret_key, algorithms=[settings.jwt_algorithm])
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if payload.get("type") != "access":
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raise InvalidTokenError("wrong token type")
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return AccessTokenPayload(
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user_id=uuid.UUID(payload["sub"]),
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session_id=uuid.UUID(payload["sid"]),
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)
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except (InvalidTokenError, KeyError, TypeError, ValueError) as exc:
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raise ValueError("无效或已过期的访问令牌") from exc
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def utc_now() -> datetime:
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return datetime.now(timezone.utc)
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def refresh_expires_at() -> datetime:
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return utc_now() + timedelta(days=settings.refresh_token_expire_days)
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