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// Copyright 2018 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package request
import (
"net/http"
"testing"
)
func TestRealIPWithoutHeaders(t *testing.T) {
r := &http.Request{RemoteAddr: "192.168.0.1:4242"}
if ip := RealIP(r); ip != "192.168.0.1" {
t.Fatalf(`Unexpected result, got: %q`, ip)
}
r = &http.Request{RemoteAddr: "192.168.0.1"}
if ip := RealIP(r); ip != "192.168.0.1" {
t.Fatalf(`Unexpected result, got: %q`, ip)
}
}
func TestRealIPWithXFFHeader(t *testing.T) {
// Test with multiple IPv4 addresses.
headers := http.Header{}
headers.Set("X-Forwarded-For", "203.0.113.195, 70.41.3.18, 150.172.238.178")
r := &http.Request{RemoteAddr: "192.168.0.1:4242", Header: headers}
if ip := RealIP(r); ip != "203.0.113.195" {
t.Fatalf(`Unexpected result, got: %q`, ip)
}
// Test with single IPv6 address.
headers = http.Header{}
headers.Set("X-Forwarded-For", "2001:db8:85a3:8d3:1319:8a2e:370:7348")
r = &http.Request{RemoteAddr: "192.168.0.1:4242", Header: headers}
if ip := RealIP(r); ip != "2001:db8:85a3:8d3:1319:8a2e:370:7348" {
t.Fatalf(`Unexpected result, got: %q`, ip)
}
// Test with single IPv4 address.
headers = http.Header{}
headers.Set("X-Forwarded-For", "70.41.3.18")
r = &http.Request{RemoteAddr: "192.168.0.1:4242", Header: headers}
if ip := RealIP(r); ip != "70.41.3.18" {
t.Fatalf(`Unexpected result, got: %q`, ip)
}
// Test with invalid IP address.
headers = http.Header{}
headers.Set("X-Forwarded-For", "fake IP")
r = &http.Request{RemoteAddr: "192.168.0.1:4242", Header: headers}
if ip := RealIP(r); ip != "192.168.0.1" {
t.Fatalf(`Unexpected result, got: %q`, ip)
}
}
func TestRealIPWithXRealIPHeader(t *testing.T) {
headers := http.Header{}
headers.Set("X-Real-Ip", "192.168.122.1")
r := &http.Request{RemoteAddr: "192.168.0.1:4242", Header: headers}
if ip := RealIP(r); ip != "192.168.122.1" {
t.Fatalf(`Unexpected result, got: %q`, ip)
}
}
func TestRealIPWithBothHeaders(t *testing.T) {
headers := http.Header{}
headers.Set("X-Forwarded-For", "203.0.113.195, 70.41.3.18, 150.172.238.178")
headers.Set("X-Real-Ip", "192.168.122.1")
r := &http.Request{RemoteAddr: "192.168.0.1:4242", Header: headers}
if ip := RealIP(r); ip != "203.0.113.195" {
t.Fatalf(`Unexpected result, got: %q`, ip)
}
}
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