tailscale/net/tshttpproxy/tshttpproxy_test.go

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// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package tshttpproxy
import (
"net/http"
"net/url"
"os"
"runtime"
"strings"
"testing"
"time"
"tailscale.com/util/must"
)
func TestGetAuthHeaderNoResult(t *testing.T) {
const proxyURL = "http://127.0.0.1:38274"
u, err := url.Parse(proxyURL)
if err != nil {
t.Fatalf("can't parse %q: %v", proxyURL, err)
}
got, err := GetAuthHeader(u)
if err != nil {
t.Fatalf("can't get auth header value: %v", err)
}
if runtime.GOOS == "windows" && strings.HasPrefix(got, "Negotiate") {
t.Logf("didn't get empty result, but got acceptable Windows Negotiate header")
return
}
if got != "" {
t.Fatalf("GetAuthHeader(%q) = %q; want empty string", proxyURL, got)
}
}
func TestGetAuthHeaderBasicAuth(t *testing.T) {
const proxyURL = "http://user:password@127.0.0.1:38274"
const want = "Basic dXNlcjpwYXNzd29yZA=="
u, err := url.Parse(proxyURL)
if err != nil {
t.Fatalf("can't parse %q: %v", proxyURL, err)
}
got, err := GetAuthHeader(u)
if err != nil {
t.Fatalf("can't get auth header value: %v", err)
}
if got != want {
t.Fatalf("GetAuthHeader(%q) = %q; want %q", proxyURL, got, want)
}
}
func TestProxyFromEnvironment_setNoProxyUntil(t *testing.T) {
const fakeProxyEnv = "10.1.2.3:456"
const fakeProxyFull = "http://" + fakeProxyEnv
defer os.Setenv("HTTPS_PROXY", os.Getenv("HTTPS_PROXY"))
os.Setenv("HTTPS_PROXY", fakeProxyEnv)
req := &http.Request{URL: must.Get(url.Parse("https://example.com/"))}
for i := 0; i < 3; i++ {
switch i {
case 1:
setNoProxyUntil(time.Minute)
case 2:
setNoProxyUntil(0)
}
got, err := ProxyFromEnvironment(req)
if err != nil {
t.Fatalf("[%d] ProxyFromEnvironment: %v", i, err)
}
if got == nil || got.String() != fakeProxyFull {
t.Errorf("[%d] Got proxy %v; want %v", i, got, fakeProxyFull)
}
}
}