nyancat/ip-checker
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fix(go): handle ipv6 addresses correctly

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This commit is contained in:
Guanran Wang 2024-10-19 16:46:50 +08:00
parent 265c998df0
commit 8ad7222bfb
Signed by: nyancat
GPG key ID: 91F97D9ED12639CF
1 changed files with 10 additions and 2 deletions
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10
main.go
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@ -83,7 +83,15 @@ func handleRequest(w http.ResponseWriter, r *http.Request) {
if ip := r.Header.Get("X-Forwarded-For"); ip != "" { if ip := r.Header.Get("X-Forwarded-For"); ip != "" {
return strings.Split(ip, ",")[0] return strings.Split(ip, ",")[0]
} }
return strings.Split(r.RemoteAddr, ":")[0]
host, _, err := net.SplitHostPort(r.RemoteAddr)
if err != nil {
errorText := fmt.Sprintf("Unable to parse remote address: %v", err)
log.Printf(errorText)
return errorText
}
return host
}() }()
isHeadless := strings.HasPrefix(r.Header.Get("User-Agent"), "curl/") isHeadless := strings.HasPrefix(r.Header.Get("User-Agent"), "curl/")