mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-15 09:19:21 +02:00
79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
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package conf
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import (
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"strings"
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dm "github.com/xtls/xray-core/common/matcher/domain"
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"github.com/xtls/xray-core/common/matcher/geosite"
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)
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func ParaseDomainRule(domain string) ([]*dm.Domain, error) {
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if strings.HasPrefix(domain, "geosite:") {
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country := strings.ToUpper(domain[8:])
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domains, err := geosite.LoadGeositeWithAttr("geosite.dat", country)
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if err != nil {
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return nil, newError("failed to load geosite: ", country).Base(err)
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}
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return domains, nil
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}
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var isExtDatFile = 0
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{
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const prefix = "ext:"
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if strings.HasPrefix(domain, prefix) {
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isExtDatFile = len(prefix)
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}
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const prefixQualified = "ext-domain:"
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if strings.HasPrefix(domain, prefixQualified) {
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isExtDatFile = len(prefixQualified)
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}
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}
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if isExtDatFile != 0 {
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kv := strings.Split(domain[isExtDatFile:], ":")
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if len(kv) != 2 {
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return nil, newError("invalid external resource: ", domain)
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}
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filename := kv[0]
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country := kv[1]
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domains, err := geosite.LoadGeositeWithAttr(filename, country)
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if err != nil {
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return nil, newError("failed to load external sites: ", country, " from ", filename).Base(err)
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}
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return domains, nil
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}
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domainRule := new(dm.Domain)
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switch {
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case strings.HasPrefix(domain, "regexp:"):
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domainRule.Type = dm.MatchingType_Regex
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domainRule.Value = domain[7:]
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case strings.HasPrefix(domain, "domain:"):
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domainRule.Type = dm.MatchingType_Subdomain
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domainRule.Value = domain[7:]
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case strings.HasPrefix(domain, "full:"):
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domainRule.Type = dm.MatchingType_Full
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domainRule.Value = domain[5:]
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case strings.HasPrefix(domain, "keyword:"):
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domainRule.Type = dm.MatchingType_Keyword
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domainRule.Value = domain[8:]
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case strings.HasPrefix(domain, "dotless:"):
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domainRule.Type = dm.MatchingType_Regex
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switch substr := domain[8:]; {
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case substr == "":
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domainRule.Value = "^[^.]*$"
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case !strings.Contains(substr, "."):
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domainRule.Value = "^[^.]*" + substr + "[^.]*$"
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default:
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return nil, newError("substr in dotless rule should not contain a dot: ", substr)
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}
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default:
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domainRule.Type = dm.MatchingType_Keyword
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domainRule.Value = domain
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}
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return []*dm.Domain{domainRule}, nil
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}
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