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27 lines
673 B
Go
27 lines
673 B
Go
// Copyright 2022 GoEdge CDN goedge.cdn@gmail.com. All rights reserved. Official site: https://goedge.cloud .
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package utils
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import (
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"regexp"
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"strings"
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)
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var cacheKeyDomainReg1 = regexp.MustCompile(`^(?i)(?:http|https)://([\w-.*]+)`) // 这里支持 *.example.com
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var cacheKeyDomainReg2 = regexp.MustCompile(`^([\w-.]+)`)
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// ParseDomainFromKey 从Key中获取域名
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func ParseDomainFromKey(key string) (domain string) {
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var pieces = cacheKeyDomainReg1.FindStringSubmatch(key)
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if len(pieces) > 1 {
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return strings.ToLower(pieces[1])
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}
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pieces = cacheKeyDomainReg2.FindStringSubmatch(key)
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if len(pieces) > 1 {
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return strings.ToLower(pieces[1])
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}
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return ""
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}
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