60 lines
996 B
Go
60 lines
996 B
Go
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package main
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import (
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"github.com/hoisie/redis"
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// "github.com/miekg/dns"
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"fmt"
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"io/ioutil"
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)
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type HostsQueryFaild struct {
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domain string
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}
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func (e HostsQueryFaild) Error() string {
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return e.domain + " hosts match failed"
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}
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func readLocalHostsFile(file string) map[string]string {
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var hosts = make(map[string]string)
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f, _ := os.Open(file)
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scanner := bufio.NewScanner(f)
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for scanner.Scan() {
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line := scanner.Text()
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line = strings.TrimSpace(line)
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if strings.HasPrefix(line, "#") || line == "" {
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continue
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}
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sli := strings.Split(line, " ")
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if len(sli) == 1 {
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sli = strings.Split(line, "\t")
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}
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if len(sli) < 2 {
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continue
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}
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domain := sli[len(sli)-1]
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ip := sli[0]
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if !isDomain(domain) || !isIP(ip) {
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continue
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}
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hosts[domain] = ip
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}
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return hosts
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}
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func isDomain(domain string) bool {
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match, _ := regexp.MatchString("^[a-z]", domain)
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return match
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}
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func isIP(ip string) bool {
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match, _ := regexp.MatchString("^[1-9]", ip)
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return match
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}
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