You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1000 B
40 lines
1000 B
package utils |
|
|
|
import ( |
|
"crypto/md5" //nolint |
|
"encoding/hex" |
|
"net" |
|
"net/http" |
|
"strings" |
|
|
|
log "github.com/sirupsen/logrus" |
|
) |
|
|
|
// GenerateClientIDFromRequest generates a client id from the provided request. |
|
func GenerateClientIDFromRequest(req *http.Request) string { |
|
ipAddress := GetIPAddressFromRequest(req) |
|
ipAddressComponents := strings.Split(ipAddress, ":") |
|
ipAddressComponents[len(ipAddressComponents)-1] = "" |
|
clientID := strings.Join(ipAddressComponents, ":") + req.UserAgent() |
|
|
|
// Create a MD5 hash of this ip + useragent |
|
b := md5.Sum([]byte(clientID)) // nolint |
|
return hex.EncodeToString(b[:]) |
|
} |
|
|
|
// GetIPAddressFromRequest returns the IP address from a http request. |
|
func GetIPAddressFromRequest(req *http.Request) string { |
|
ipAddressString := req.RemoteAddr |
|
xForwardedFor := req.Header.Get("X-FORWARDED-FOR") |
|
if xForwardedFor != "" { |
|
return xForwardedFor |
|
} |
|
|
|
ip, _, err := net.SplitHostPort(ipAddressString) |
|
if err != nil { |
|
log.Errorln(err) |
|
return "" |
|
} |
|
|
|
return ip |
|
}
|
|
|