342 lines
12 KiB
Python
342 lines
12 KiB
Python
"""
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数据库清理服务 - 清理过期的验证码和会话
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"""
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from __future__ import annotations
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from datetime import timedelta
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from app.database.verification import EmailVerification, LoginSession
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from app.log import logger
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from app.utils import utcnow
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from sqlmodel import select
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from sqlmodel.ext.asyncio.session import AsyncSession
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class DatabaseCleanupService:
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"""数据库清理服务"""
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@staticmethod
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async def cleanup_expired_verification_codes(db: AsyncSession) -> int:
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"""
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清理过期的邮件验证码
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Args:
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db: 数据库会话
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Returns:
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int: 清理的记录数
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"""
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try:
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# 查找过期的验证码记录
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current_time = utcnow()
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stmt = select(EmailVerification).where(EmailVerification.expires_at < current_time)
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result = await db.exec(stmt)
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expired_codes = result.all()
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# 删除过期的记录
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deleted_count = 0
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for code in expired_codes:
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await db.delete(code)
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deleted_count += 1
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await db.commit()
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if deleted_count > 0:
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logger.debug(f"[Cleanup Service] Cleaned up {deleted_count} expired email verification codes")
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return deleted_count
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except Exception as e:
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await db.rollback()
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logger.error(f"[Cleanup Service] Error cleaning expired verification codes: {e!s}")
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return 0
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@staticmethod
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async def cleanup_expired_login_sessions(db: AsyncSession) -> int:
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"""
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清理过期的登录会话
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Args:
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db: 数据库会话
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Returns:
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int: 清理的记录数
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"""
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try:
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# 查找过期的登录会话记录
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current_time = utcnow()
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stmt = select(LoginSession).where(LoginSession.expires_at < current_time)
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result = await db.exec(stmt)
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expired_sessions = result.all()
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# 删除过期的记录
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deleted_count = 0
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for session in expired_sessions:
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await db.delete(session)
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deleted_count += 1
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await db.commit()
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if deleted_count > 0:
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logger.debug(f"[Cleanup Service] Cleaned up {deleted_count} expired login sessions")
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return deleted_count
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except Exception as e:
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await db.rollback()
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logger.error(f"[Cleanup Service] Error cleaning expired login sessions: {e!s}")
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return 0
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@staticmethod
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async def cleanup_old_used_verification_codes(db: AsyncSession, days_old: int = 7) -> int:
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"""
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清理旧的已使用验证码记录
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Args:
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db: 数据库会话
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days_old: 清理多少天前的已使用记录，默认7天
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Returns:
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int: 清理的记录数
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"""
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try:
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# 查找指定天数前的已使用验证码记录
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cutoff_time = utcnow() - timedelta(days=days_old)
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stmt = select(EmailVerification).where(EmailVerification.is_used == True)
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result = await db.exec(stmt)
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all_used_codes = result.all()
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# 筛选出过期的记录
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old_used_codes = [code for code in all_used_codes if code.used_at and code.used_at < cutoff_time]
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# 删除旧的已使用记录
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deleted_count = 0
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for code in old_used_codes:
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await db.delete(code)
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deleted_count += 1
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await db.commit()
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if deleted_count > 0:
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logger.debug(
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f"[Cleanup Service] Cleaned up {deleted_count} used verification codes older than {days_old} days"
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)
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return deleted_count
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except Exception as e:
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await db.rollback()
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logger.error(f"[Cleanup Service] Error cleaning old used verification codes: {e!s}")
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return 0
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@staticmethod
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async def cleanup_unverified_login_sessions(db: AsyncSession, hours_old: int = 1) -> int:
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"""
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清理指定小时前创建但仍未验证的登录会话
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Args:
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db: 数据库会话
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hours_old: 清理多少小时前创建但仍未验证的会话，默认1小时
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Returns:
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int: 清理的记录数
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"""
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try:
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# 计算截止时间
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cutoff_time = utcnow() - timedelta(hours=hours_old)
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# 查找指定时间前创建且仍未验证的会话记录
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stmt = select(LoginSession).where(
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LoginSession.is_verified == False,
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LoginSession.created_at < cutoff_time
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)
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result = await db.exec(stmt)
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unverified_sessions = result.all()
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# 删除未验证的会话记录
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deleted_count = 0
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for session in unverified_sessions:
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await db.delete(session)
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deleted_count += 1
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await db.commit()
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if deleted_count > 0:
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logger.debug(
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f"[Cleanup Service] Cleaned up {deleted_count} unverified login sessions older than {hours_old} hour(s)"
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)
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return deleted_count
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except Exception as e:
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await db.rollback()
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logger.error(f"[Cleanup Service] Error cleaning unverified login sessions: {e!s}")
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return 0
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@staticmethod
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async def cleanup_old_verified_sessions(db: AsyncSession, days_old: int = 30) -> int:
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"""
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清理旧的已验证会话记录
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Args:
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db: 数据库会话
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days_old: 清理多少天前的已验证记录，默认30天
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Returns:
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int: 清理的记录数
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"""
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try:
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# 查找指定天数前的已验证会话记录
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cutoff_time = utcnow() - timedelta(days=days_old)
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stmt = select(LoginSession).where(LoginSession.is_verified == True)
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result = await db.exec(stmt)
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all_verified_sessions = result.all()
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# 筛选出过期的记录
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old_verified_sessions = [
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session
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for session in all_verified_sessions
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if session.verified_at and session.verified_at < cutoff_time
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]
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# 删除旧的已验证记录
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deleted_count = 0
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for session in old_verified_sessions:
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await db.delete(session)
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deleted_count += 1
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await db.commit()
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if deleted_count > 0:
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logger.debug(
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f"[Cleanup Service] Cleaned up {deleted_count} verified sessions older than {days_old} days"
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)
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return deleted_count
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except Exception as e:
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await db.rollback()
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logger.error(f"[Cleanup Service] Error cleaning old verified sessions: {e!s}")
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return 0
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@staticmethod
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async def run_full_cleanup(db: AsyncSession) -> dict[str, int]:
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"""
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运行完整的清理流程
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Args:
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db: 数据库会话
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Returns:
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dict: 各项清理的结果统计
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"""
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results = {}
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# 清理过期的验证码
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results["expired_verification_codes"] = await DatabaseCleanupService.cleanup_expired_verification_codes(db)
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# 清理过期的登录会话
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results["expired_login_sessions"] = await DatabaseCleanupService.cleanup_expired_login_sessions(db)
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# 清理1小时前未验证的登录会话
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results["unverified_login_sessions"] = await DatabaseCleanupService.cleanup_unverified_login_sessions(db, 1)
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# 清理7天前的已使用验证码
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results["old_used_verification_codes"] = await DatabaseCleanupService.cleanup_old_used_verification_codes(db, 7)
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# 清理30天前的已验证会话
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results["old_verified_sessions"] = await DatabaseCleanupService.cleanup_old_verified_sessions(db, 30)
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total_cleaned = sum(results.values())
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if total_cleaned > 0:
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logger.debug(
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f"[Cleanup Service] Full cleanup completed, total cleaned: {total_cleaned} records - {results}"
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)
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return results
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@staticmethod
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async def get_cleanup_statistics(db: AsyncSession) -> dict[str, int]:
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"""
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获取清理统计信息
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Args:
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db: 数据库会话
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Returns:
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dict: 统计信息
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"""
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try:
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current_time = utcnow()
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cutoff_1_hour = current_time - timedelta(hours=1)
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cutoff_7_days = current_time - timedelta(days=7)
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cutoff_30_days = current_time - timedelta(days=30)
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# 统计过期的验证码数量
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expired_codes_stmt = select(EmailVerification).where(EmailVerification.expires_at < current_time)
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expired_codes_result = await db.exec(expired_codes_stmt)
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expired_codes_count = len(expired_codes_result.all())
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# 统计过期的登录会话数量
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expired_sessions_stmt = select(LoginSession).where(LoginSession.expires_at < current_time)
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expired_sessions_result = await db.exec(expired_sessions_stmt)
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expired_sessions_count = len(expired_sessions_result.all())
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# 统计1小时前未验证的登录会话数量
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unverified_sessions_stmt = select(LoginSession).where(
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LoginSession.is_verified == False,
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LoginSession.created_at < cutoff_1_hour
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)
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unverified_sessions_result = await db.exec(unverified_sessions_stmt)
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unverified_sessions_count = len(unverified_sessions_result.all())
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# 统计7天前的已使用验证码数量
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old_used_codes_stmt = select(EmailVerification).where(EmailVerification.is_used == True)
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old_used_codes_result = await db.exec(old_used_codes_stmt)
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all_used_codes = old_used_codes_result.all()
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old_used_codes_count = len(
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[code for code in all_used_codes if code.used_at and code.used_at < cutoff_7_days]
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)
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# 统计30天前的已验证会话数量
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old_verified_sessions_stmt = select(LoginSession).where(LoginSession.is_verified == True)
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old_verified_sessions_result = await db.exec(old_verified_sessions_stmt)
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all_verified_sessions = old_verified_sessions_result.all()
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old_verified_sessions_count = len(
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[
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session
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for session in all_verified_sessions
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if session.verified_at and session.verified_at < cutoff_30_days
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]
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)
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return {
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"expired_verification_codes": expired_codes_count,
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"expired_login_sessions": expired_sessions_count,
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"unverified_login_sessions": unverified_sessions_count,
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"old_used_verification_codes": old_used_codes_count,
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"old_verified_sessions": old_verified_sessions_count,
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"total_cleanable": expired_codes_count
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+ expired_sessions_count
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+ unverified_sessions_count
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+ old_used_codes_count
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+ old_verified_sessions_count,
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}
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except Exception as e:
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logger.error(f"[Cleanup Service] Error getting cleanup statistics: {e!s}")
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return {
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"expired_verification_codes": 0,
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"expired_login_sessions": 0,
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"unverified_login_sessions": 0,
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"old_used_verification_codes": 0,
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"old_verified_sessions": 0,
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"total_cleanable": 0,
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}
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