86 lines
2 KiB
Go
86 lines
2 KiB
Go
package realip
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import (
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"net/http"
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"strings"
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"testing"
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)
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func TestIsLocalAddr(t *testing.T) {
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testData := map[string]bool{
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"127.0.0.0": true,
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"10.0.0.0": true,
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"169.254.0.0": true,
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"192.168.0.0": true,
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"::1": true,
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"fc00::": true,
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"172.15.0.0": false,
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"172.16.0.0": true,
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"172.31.0.0": true,
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"172.32.0.0": false,
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"147.12.56.11": false,
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}
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for addr, isLocal := range testData {
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if isLocalAddress(addr) != isLocal {
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format := "%s should "
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if !isLocal {
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format += "not "
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}
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format += "be local address"
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t.Errorf(format, addr)
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}
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}
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}
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func TestIpAddrFromRemoteAddr(t *testing.T) {
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testData := map[string]string{
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"127.0.0.1:8888": "127.0.0.1",
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"ip:port": "ip",
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"ip": "ip",
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"12:34::0": "12:34:",
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}
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for remoteAddr, expectedAddr := range testData {
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if actualAddr := ipAddrFromRemoteAddr(remoteAddr); actualAddr != expectedAddr {
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t.Errorf("ipAddrFromRemoteAddr of %s should be %s but get %s", remoteAddr, expectedAddr, actualAddr)
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}
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}
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}
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func TestRealIP(t *testing.T) {
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newRequest := func(remoteAddr, hdrRealIP, hdrForwardedFor string) *http.Request {
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h := http.Header{}
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h["X-Real-Ip"] = []string{hdrRealIP}
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h["X-Forwarded-For"] = []string{hdrForwardedFor}
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return &http.Request{
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RemoteAddr: remoteAddr,
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Header: h,
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}
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}
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remoteAddr := "144.12.54.87"
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anotherRemoteAddr := "119.14.55.11"
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localAddr := "127.0.0.0"
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testData := []struct {
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expected string
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request *http.Request
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}{
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{remoteAddr, newRequest(remoteAddr, "", "")}, // no header
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{remoteAddr, newRequest("", "", remoteAddr)}, // X-Forwarded-For: remoteAddr
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{remoteAddr, newRequest("", remoteAddr, "")}, // X-RealIP: remoteAddr
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// X-Forwarded-For: localAddr, remoteAddr, anotherRemoteAddr
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{remoteAddr, newRequest("", "", strings.Join([]string{localAddr, remoteAddr, anotherRemoteAddr}, ", "))},
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}
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for _, v := range testData {
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if actual := RealIP(v.request); v.expected != actual {
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t.Errorf("expected %s but get %s", v.expected, actual)
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}
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}
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}
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