mirror of
https://github.com/tailscale/tailscale.git
synced 2024-12-11 02:34:43 +00:00
1a30b2d73f
Signed-off-by: Maisem Ali <maisem@tailscale.com>
377 lines
8.0 KiB
Go
377 lines
8.0 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build linux
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package tshttpproxy
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import (
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"errors"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"time"
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"tailscale.com/tstest"
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)
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func TestSynologyProxyFromConfigCached(t *testing.T) {
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req, err := http.NewRequest("GET", "http://example.org/", nil)
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if err != nil {
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t.Fatal(err)
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}
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tstest.Replace(t, &synologyProxyConfigPath, filepath.Join(t.TempDir(), "proxy.conf"))
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t.Run("no config file", func(t *testing.T) {
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if _, err := os.Stat(synologyProxyConfigPath); err == nil {
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t.Fatalf("%s must not exist for this test", synologyProxyConfigPath)
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}
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cache.updated = time.Time{}
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cache.httpProxy = nil
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cache.httpsProxy = nil
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if val, err := synologyProxyFromConfigCached(req); val != nil || err != nil {
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t.Fatalf("got %s, %v; want nil, nil", val, err)
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}
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if got, want := cache.updated, time.Unix(0, 0); got != want {
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t.Fatalf("got %s, want %s", got, want)
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}
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if cache.httpProxy != nil {
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t.Fatalf("got %s, want nil", cache.httpProxy)
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}
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if cache.httpsProxy != nil {
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t.Fatalf("got %s, want nil", cache.httpsProxy)
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}
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})
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t.Run("config file updated", func(t *testing.T) {
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cache.updated = time.Now()
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cache.httpProxy = nil
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cache.httpsProxy = nil
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if err := os.WriteFile(synologyProxyConfigPath, []byte(`
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proxy_enabled=yes
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http_host=10.0.0.55
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http_port=80
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https_host=10.0.0.66
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https_port=443
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`), 0600); err != nil {
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t.Fatal(err)
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}
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val, err := synologyProxyFromConfigCached(req)
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if err != nil {
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t.Fatal(err)
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}
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if cache.httpProxy == nil {
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t.Fatal("http proxy was not cached")
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}
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if cache.httpsProxy == nil {
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t.Fatal("https proxy was not cached")
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}
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if want := urlMustParse("http://10.0.0.55:80"); val.String() != want.String() {
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t.Fatalf("got %s; want %s", val, want)
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}
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})
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t.Run("config file removed", func(t *testing.T) {
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cache.updated = time.Now()
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cache.httpProxy = urlMustParse("http://127.0.0.1/")
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cache.httpsProxy = urlMustParse("http://127.0.0.1/")
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if err := os.Remove(synologyProxyConfigPath); err != nil && !os.IsNotExist(err) {
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t.Fatal(err)
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}
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val, err := synologyProxyFromConfigCached(req)
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if err != nil {
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t.Fatal(err)
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}
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if val != nil {
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t.Fatalf("got %s; want nil", val)
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}
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if cache.httpProxy != nil {
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t.Fatalf("got %s, want nil", cache.httpProxy)
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}
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if cache.httpsProxy != nil {
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t.Fatalf("got %s, want nil", cache.httpsProxy)
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}
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})
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t.Run("picks proxy from request scheme", func(t *testing.T) {
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cache.updated = time.Now()
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cache.httpProxy = nil
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cache.httpsProxy = nil
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if err := os.WriteFile(synologyProxyConfigPath, []byte(`
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proxy_enabled=yes
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http_host=10.0.0.55
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http_port=80
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https_host=10.0.0.66
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https_port=443
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`), 0600); err != nil {
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t.Fatal(err)
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}
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httpReq, err := http.NewRequest("GET", "http://example.com", nil)
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if err != nil {
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t.Fatal(err)
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}
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val, err := synologyProxyFromConfigCached(httpReq)
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if err != nil {
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t.Fatal(err)
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}
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if val == nil {
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t.Fatalf("got nil, want an http URL")
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}
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if got, want := val.String(), "http://10.0.0.55:80"; got != want {
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t.Fatalf("got %q, want %q", got, want)
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}
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httpsReq, err := http.NewRequest("GET", "https://example.com", nil)
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if err != nil {
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t.Fatal(err)
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}
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val, err = synologyProxyFromConfigCached(httpsReq)
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if err != nil {
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t.Fatal(err)
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}
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if val == nil {
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t.Fatalf("got nil, want an http URL")
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}
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if got, want := val.String(), "http://10.0.0.66:443"; got != want {
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t.Fatalf("got %q, want %q", got, want)
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}
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})
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}
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func TestSynologyProxiesFromConfig(t *testing.T) {
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var (
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openReader io.ReadCloser
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openErr error
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)
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tstest.Replace(t, &openSynologyProxyConf, func() (io.ReadCloser, error) {
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return openReader, openErr
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})
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t.Run("with config", func(t *testing.T) {
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mc := &mustCloser{Reader: strings.NewReader(`
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proxy_user=foo
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proxy_pwd=bar
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proxy_enabled=yes
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adv_enabled=yes
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bypass_enabled=yes
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auth_enabled=yes
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https_host=10.0.0.66
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https_port=8443
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http_host=10.0.0.55
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http_port=80
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`)}
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defer mc.check(t)
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openReader = mc
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httpProxy, httpsProxy, err := synologyProxiesFromConfig()
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if got, want := err, openErr; got != want {
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t.Fatalf("got %s, want %s", got, want)
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}
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if got, want := httpsProxy, urlMustParse("http://foo:bar@10.0.0.66:8443"); got.String() != want.String() {
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t.Fatalf("got %s, want %s", got, want)
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}
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if got, want := err, openErr; got != want {
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t.Fatalf("got %s, want %s", got, want)
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}
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if got, want := httpProxy, urlMustParse("http://foo:bar@10.0.0.55:80"); got.String() != want.String() {
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t.Fatalf("got %s, want %s", got, want)
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}
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})
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t.Run("nonexistent config", func(t *testing.T) {
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openReader = nil
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openErr = os.ErrNotExist
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httpProxy, httpsProxy, err := synologyProxiesFromConfig()
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if err != nil {
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t.Fatalf("expected no error, got %s", err)
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}
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if httpProxy != nil {
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t.Fatalf("expected no url, got %s", httpProxy)
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}
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if httpsProxy != nil {
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t.Fatalf("expected no url, got %s", httpsProxy)
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}
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})
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t.Run("error opening config", func(t *testing.T) {
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openReader = nil
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openErr = errors.New("example error")
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httpProxy, httpsProxy, err := synologyProxiesFromConfig()
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if err != openErr {
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t.Fatalf("expected %s, got %s", openErr, err)
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}
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if httpProxy != nil {
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t.Fatalf("expected no url, got %s", httpProxy)
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}
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if httpsProxy != nil {
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t.Fatalf("expected no url, got %s", httpsProxy)
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}
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})
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}
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func TestParseSynologyConfig(t *testing.T) {
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cases := map[string]struct {
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input string
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httpProxy *url.URL
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httpsProxy *url.URL
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err error
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}{
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"populated": {
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input: `
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proxy_user=foo
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proxy_pwd=bar
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proxy_enabled=yes
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adv_enabled=yes
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bypass_enabled=yes
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auth_enabled=yes
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https_host=10.0.0.66
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https_port=8443
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http_host=10.0.0.55
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http_port=80
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`,
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httpProxy: urlMustParse("http://foo:bar@10.0.0.55:80"),
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httpsProxy: urlMustParse("http://foo:bar@10.0.0.66:8443"),
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err: nil,
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},
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"no-auth": {
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input: `
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proxy_user=foo
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proxy_pwd=bar
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proxy_enabled=yes
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adv_enabled=yes
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bypass_enabled=yes
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auth_enabled=no
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https_host=10.0.0.66
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https_port=8443
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http_host=10.0.0.55
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http_port=80
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`,
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httpProxy: urlMustParse("http://10.0.0.55:80"),
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httpsProxy: urlMustParse("http://10.0.0.66:8443"),
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err: nil,
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},
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"http-only": {
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input: `
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proxy_user=foo
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proxy_pwd=bar
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proxy_enabled=yes
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adv_enabled=yes
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bypass_enabled=yes
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auth_enabled=yes
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https_host=
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https_port=8443
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http_host=10.0.0.55
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http_port=80
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`,
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httpProxy: urlMustParse("http://foo:bar@10.0.0.55:80"),
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httpsProxy: nil,
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err: nil,
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},
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"empty": {
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input: `
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proxy_user=
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proxy_pwd=
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proxy_enabled=
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adv_enabled=
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bypass_enabled=
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auth_enabled=
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https_host=
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https_port=
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http_host=
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http_port=
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`,
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httpProxy: nil,
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httpsProxy: nil,
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err: nil,
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},
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}
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for name, example := range cases {
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t.Run(name, func(t *testing.T) {
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httpProxy, httpsProxy, err := parseSynologyConfig(strings.NewReader(example.input))
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if err != example.err {
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t.Fatal(err)
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}
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if example.err != nil {
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return
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}
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if example.httpProxy == nil && httpProxy != nil {
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t.Fatalf("got %s, want nil", httpProxy)
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}
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if example.httpProxy != nil {
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if httpProxy == nil {
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t.Fatalf("got nil, want %s", example.httpProxy)
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}
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if got, want := example.httpProxy.String(), httpProxy.String(); got != want {
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t.Fatalf("got %s, want %s", got, want)
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}
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}
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if example.httpsProxy == nil && httpsProxy != nil {
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t.Fatalf("got %s, want nil", httpProxy)
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}
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if example.httpsProxy != nil {
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if httpsProxy == nil {
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t.Fatalf("got nil, want %s", example.httpsProxy)
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}
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if got, want := example.httpsProxy.String(), httpsProxy.String(); got != want {
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t.Fatalf("got %s, want %s", got, want)
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}
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}
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})
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}
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}
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func urlMustParse(u string) *url.URL {
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r, err := url.Parse(u)
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if err != nil {
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panic(fmt.Sprintf("urlMustParse: %s", err))
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}
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return r
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}
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type mustCloser struct {
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io.Reader
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closed bool
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}
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func (m *mustCloser) Close() error {
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m.closed = true
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return nil
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}
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func (m *mustCloser) check(t *testing.T) {
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if !m.closed {
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t.Errorf("mustCloser wrapping %#v was not closed at time of check", m.Reader)
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}
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}
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