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31 lines
731 B
Go
31 lines
731 B
Go
// Copyright 2023 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
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package firewalls
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import (
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"time"
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)
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// DropTemporaryTo 使用本地防火墙临时拦截IP数据包
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func DropTemporaryTo(ip string, expiresAt int64) {
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// 如果为0，则表示是长期有效
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if expiresAt <= 0 {
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expiresAt = time.Now().Unix() + 3600
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}
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var timeout = expiresAt - time.Now().Unix()
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if timeout < 1 {
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return
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}
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if timeout > 3600 {
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timeout = 3600
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}
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// 使用本地防火墙延长封禁
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var fw = Firewall()
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if fw != nil && !fw.IsMock() {
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// 这里 int(int64) 转换的前提是限制了 timeout <= 3600，否则将有整型溢出的风险
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_ = fw.DropSourceIP(ip, int(timeout), true)
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}
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}
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