renjianbo
21a06e8664
- P0-2: Refresh token with Redis storage (UUID tokens, 30-day TTL, rotation on refresh) - P0-2: Backend POST /auth/refresh and /auth/revoke endpoints - P0-2: Android AuthInterceptor refresh-before-re-login flow - P0-2: AuthRepository saves refresh_token on login, revokes on logout - P0-4: Enable R8 minification (isMinifyEnabled=true) with comprehensive keep rules - P0-5: Backend GET /api/v1/app/check-update with force_update support - P0-5: Android AppUpdateManager with force/optional update dialogs on startup Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
112 lines
3.3 KiB
Python
112 lines
3.3 KiB
Python
"""
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安全相关功能：密码加密、JWT、Refresh Token
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"""
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import json
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import uuid
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from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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import bcrypt
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from app.core.config import settings
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# Redis client (lazy init)
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_redis = None
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def _get_redis():
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global _redis
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if _redis is None:
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try:
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from app.core.redis_client import get_redis_client
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_redis = get_redis_client()
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except Exception:
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_redis = False
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return _redis
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# Refresh token TTL: 30 days
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REFRESH_TOKEN_TTL_SEC = 30 * 24 * 3600 # 30 days
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""验证密码"""
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try:
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# bcrypt限制密码长度最多72字节
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password_bytes = plain_password.encode('utf-8')
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if len(password_bytes) > 72:
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password_bytes = password_bytes[:72]
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return bcrypt.checkpw(password_bytes, hashed_password.encode('utf-8'))
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except Exception:
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return False
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def get_password_hash(password: str) -> str:
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"""获取密码哈希"""
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# bcrypt限制密码长度最多72字节
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password_bytes = password.encode('utf-8')
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if len(password_bytes) > 72:
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password_bytes = password_bytes[:72]
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# 生成盐并哈希密码
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salt = bcrypt.gensalt()
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hashed = bcrypt.hashpw(password_bytes, salt)
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return hashed.decode('utf-8')
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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"""创建访问令牌"""
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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.JWT_ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, settings.JWT_SECRET_KEY or settings.SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
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return encoded_jwt
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def decode_access_token(token: str) -> Optional[dict]:
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"""解码访问令牌"""
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try:
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payload = jwt.decode(token, settings.JWT_SECRET_KEY or settings.SECRET_KEY, algorithms=[settings.JWT_ALGORITHM])
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return payload
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except JWTError:
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return None
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# ─── Refresh Token ──────────────────────────────────────────
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def create_refresh_token(user_id: str, username: str, workspace_id: str = "") -> str:
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"""创建 refresh token，存储到 Redis，返回 token 字符串。"""
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token = str(uuid.uuid4())
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data = {
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"user_id": user_id,
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"username": username,
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"ws": workspace_id,
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"created_at": datetime.utcnow().isoformat(),
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}
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r = _get_redis()
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if r:
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r.setex(f"refresh_token:{token}", REFRESH_TOKEN_TTL_SEC, json.dumps(data))
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return token
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def verify_refresh_token(token: str) -> Optional[dict]:
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"""验证 refresh token，返回存储的数据或 None。"""
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r = _get_redis()
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if not r:
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return None
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raw = r.get(f"refresh_token:{token}")
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if not raw:
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return None
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try:
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return json.loads(raw)
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except Exception:
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return None
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def revoke_refresh_token(token: str):
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"""撤销 refresh token。"""
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r = _get_redis()
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if r:
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r.delete(f"refresh_token:{token}")
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