31 lines
598 B
Go
31 lines
598 B
Go
package httputil
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import (
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"net"
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"net/http"
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"strings"
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)
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func ClientIP(r *http.Request) string {
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if xff := r.Header.Get("X-Forwarded-For"); xff != "" {
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if ip := strings.TrimSpace(strings.Split(xff, ",")[0]); ip != "" {
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return ip
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}
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}
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if xri := strings.TrimSpace(r.Header.Get("X-Real-IP")); xri != "" {
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return xri
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}
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if host, _, err := net.SplitHostPort(r.RemoteAddr); err == nil {
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return host
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}
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return r.RemoteAddr
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}
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func ValidIP(ip string) (string, bool) {
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parsed := net.ParseIP(strings.TrimSpace(ip))
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if parsed == nil {
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return "", false
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}
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return parsed.String(), true
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}
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