mirror of
https://github.com/zu1k/nali.git
synced 2025-01-23 05:39:03 +08:00
100 lines
2.0 KiB
Go
100 lines
2.0 KiB
Go
package app
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"github.com/zu1k/nali/constant"
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"github.com/zu1k/nali/pkg/cdn"
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)
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var (
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cdnDB cdn.CDN
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domainRe *regexp.Regexp
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)
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func init() {
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domainRe = regexp.MustCompile(`[0-9A-Za-z]{2,}\.[0-9A-Za-z]{2,3}\.[0-9A-Za-z]{2,3}|[0-9A-Za-z]{2,}\.[0-9A-Za-z]{2,3}`)
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}
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func InitCDNDB() {
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cdnDB = cdn.NewCDN(filepath.Join(constant.HomePath, "cdn.json"))
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}
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func ParseCDNs(str []string) {
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for _, cname := range str {
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name := find(cname)
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fmt.Printf("%s [%s]\n", cname, name)
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}
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}
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func find(cname string) string {
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baseCname := parseBaseCname(cname)
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if baseCname == "" {
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return "无法解析"
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}
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cdnResult, found := cdnDB.Data[baseCname]
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if found {
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return cdnResult.Name
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}
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return "未找到"
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}
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func ReplaceCDNInString(str string) (result string) {
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done := make(map[string]bool)
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cnames := domainRe.FindAllString(str, -1)
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result = str
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for _, cname := range cnames {
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name := find(cname)
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if name != "未找到" && name != "无法解析" {
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if _, found := done[cname]; found {
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continue
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}
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result = strings.ReplaceAll(result, cname, fmt.Sprintf("%s [%s]", cname, name))
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done[cname] = true
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}
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}
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return
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}
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func parseBaseCname(domain string) string {
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hostParts := strings.Split(domain, ".")
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if len(hostParts) < 2 {
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return domain
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}
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baseCname := hostParts[len(hostParts)-2] + "." + hostParts[len(hostParts)-1]
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return baseCname
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}
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func UpdateDB() {
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filePath := filepath.Join(constant.HomePath, "cdn.json")
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log.Println("正在下载最新 CDN数据库...")
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tmpData, err := cdn.Download()
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if err != nil {
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log.Fatalln("下载失败", err.Error())
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return
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}
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// 文件存在就删除
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_, err = os.Stat(filePath)
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if err == nil {
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err = os.Remove(filePath)
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if err != nil {
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log.Fatalln("旧文件删除失败", err.Error())
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os.Exit(1)
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}
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}
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if err := ioutil.WriteFile(filePath, tmpData, 0644); err == nil {
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log.Printf("已将最新的CDN数据库保存到本地 %s ", filePath)
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}
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}
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