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package main
import (
"crypto/md5"
"fmt"
"io"
"log"
"net"
"net/http"
"strings"
)
// Hashs and returns a string (md5)
func Md5Hash(content string) string {
h := md5.New()
io.WriteString(h, content)
hash := fmt.Sprintf("%x", h.Sum(nil))
return hash
}
// Checks for equality in strings and returns true all are equal
func CompareStrings(strs ...string) bool {
for k, _ := range strs {
if k < len(strs)-1 {
if strs[k] != strs[k+1] {
return false
}
}
}
return true
}
func GetLanguage(r *http.Request) string {
c, err := r.Cookie("lang")
if err != nil {
log.Println("Info: Cookie: lang", err)
} else {
if c.Value != "" {
if c.Value == "de" {
return "_" + c.Value
} else {
return ""
}
}
}
if len(r.Header["Accept-Language"]) == 0 {
return ""
}
lang := r.Header["Accept-Language"][0]
l := strings.TrimSpace(strings.Split(lang, ",")[0])
if l == "de" {
return "_" + l
}
return ""
}
func GetIP(r *http.Request) string {
if len(r.Header["X-Forwarded-For"]) > 0 {
return r.Header["X-Forwarded-For"][0]
}
if len(r.Header["X-Real-Ip"]) > 0 {
return r.Header["X-Real-Ip"][0]
}
if r.RemoteAddr != "" {
ip, _, _ := net.SplitHostPort(r.RemoteAddr)
return ip
}
log.Println("Info: No remote IP detectable.")
return "0.0.0.0"
}
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