Golang goproxy.NewProxyHttpServer函數代碼示例

func TestContentType(t *testing.T) {
	proxy := goproxy.NewProxyHttpServer()
	proxy.OnResponse(goproxy.ContentTypeIs("image/png")).DoFunc(func(resp *http.Response, ctx *goproxy.ProxyCtx) *http.Response {
		resp.Header.Set("X-Shmoopi", "1")
		return resp
	})

	client, l := oneShotProxy(proxy, t)
	defer l.Close()

	for _, file := range []string{"test_data/panda.png", "test_data/football.png"} {
		if resp, err := client.Get(localFile(file)); err != nil || resp.Header.Get("X-Shmoopi") != "1" {
			if err == nil {
				t.Error("pngs should have X-Shmoopi header = 1, actually", resp.Header.Get("X-Shmoopi"))
			} else {
				t.Error("error reading png", err)
			}
		}
	}

	file := "baby.jpg"
	if resp, err := client.Get(localFile(file)); err != nil || resp.Header.Get("X-Shmoopi") != "" {
		if err == nil {
			t.Error("Non png images should NOT have X-Shmoopi header at all", resp.Header.Get("X-Shmoopi"))
		} else {
			t.Error("error reading png", err)
		}
	}
}

func TestBasicAuthWithCurl(t *testing.T) {
	expected := ":c>"
	background := httptest.NewServer(ConstantHanlder(expected))
	defer background.Close()
	proxy := goproxy.NewProxyHttpServer()
	proxy.OnRequest().Do(auth.Basic("my_realm", func(user, passwd string) bool {
		return user == "user" && passwd == "open sesame"
	}))
	_, proxyserver := oneShotProxy(proxy)
	defer proxyserver.Close()

	cmd := exec.Command("curl",
		"--silent", "--show-error",
		"-x", proxyserver.URL,
		"-U", "user:open sesame",
		"--url", background.URL+"/[1-3]",
	)
	out, err := cmd.CombinedOutput() // if curl got error, it'll show up in stderr
	if err != nil {
		t.Fatal(err, string(out))
	}
	finalexpected := times(3, expected)
	if string(out) != finalexpected {
		t.Error("Expected", finalexpected, "got", string(out))
	}
}

func TestWithBrowser(t *testing.T) {
	// an easy way to check if auth works with webserver
	// to test, run with
	// $ go test -run TestWithBrowser -- server
	// configure a browser to use the printed proxy address, use the proxy
	// and exit with Ctrl-C. It will throw error if your haven't acutally used the proxy
	if os.Args[len(os.Args)-1] != "server" {
		return
	}
	proxy := goproxy.NewProxyHttpServer()
	println("proxy localhost port 8082")
	access := int32(0)
	proxy.OnRequest().Do(auth.Basic("my_realm", func(user, passwd string) bool {
		atomic.AddInt32(&access, 1)
		return user == "user" && passwd == "1234"
	}))
	l, err := net.Listen("tcp", "localhost:8082")
	if err != nil {
		t.Fatal(err)
	}
	ch := make(chan os.Signal)
	signal.Notify(ch, os.Interrupt)
	go func() {
		<-ch
		l.Close()
	}()
	http.Serve(l, proxy)
	if access <= 0 {
		t.Error("No one accessed the proxy")
	}
}

// NewJQueryVersionProxy creates a proxy checking responses HTML content, looks
// for scripts referencing jQuery library and emits warnings if different
// versions of the library are being used for a given host.
func NewJqueryVersionProxy() *goproxy.ProxyHttpServer {
	proxy := goproxy.NewProxyHttpServer()
	m := make(map[string]string)
	jqueryMatcher := regexp.MustCompile(`(?i:jquery\.)`)
	proxy.OnResponse(goproxy_html.IsHtml).Do(goproxy_html.HandleString(
		func(s string, ctx *goproxy.ProxyCtx) string {
			for _, src := range findScriptSrc(s) {
				if !jqueryMatcher.MatchString(src) {
					continue
				}
				prev, ok := m[ctx.Req.Host]
				if ok {
					if prev != src {
						ctx.Warnf("In %v, Contradicting jqueries %v %v",
							ctx.Req.URL, prev, src)
						break
					}
				} else {
					ctx.Warnf("%s uses jquery %s", ctx.Req.Host, src)
					m[ctx.Req.Host] = src
				}
			}
			return s
		}))
	return proxy
}

func TestGoproxyHijackConnect(t *testing.T) {
	proxy := goproxy.NewProxyHttpServer()
	proxy.OnRequest(goproxy.ReqHostIs(srv.Listener.Addr().String())).
		HijackConnect(func(req *http.Request, client net.Conn, ctx *goproxy.ProxyCtx) {
			t.Logf("URL %+#v\nSTR %s", req.URL, req.URL.String())
			resp, err := http.Get("http:" + req.URL.String() + "/bobo")
			panicOnErr(err, "http.Get(CONNECT url)")
			panicOnErr(resp.Write(client), "resp.Write(client)")
			resp.Body.Close()
			client.Close()
		})
	client, l := oneShotProxy(proxy, t)
	defer l.Close()
	proxyAddr := l.Listener.Addr().String()
	conn, err := net.Dial("tcp", proxyAddr)
	panicOnErr(err, "conn "+proxyAddr)
	buf := bufio.NewReader(conn)
	writeConnect(conn)
	readConnectResponse(buf)
	if txt := readResponse(buf); txt != "bobo" {
		t.Error("Expected bobo for CONNECT /foo, got", txt)
	}

	if r := string(getOrFail(https.URL+"/bobo", client, t)); r != "bobo" {
		t.Error("Expected bobo would keep working with CONNECT", r)
	}
}

func TestSelfRequest(t *testing.T) {
	proxy := goproxy.NewProxyHttpServer()
	_, l := oneShotProxy(proxy, t)
	defer l.Close()
	if !strings.Contains(string(getOrFail(l.URL, http.DefaultClient, t)), "non-proxy") {
		t.Fatal("non proxy requests should fail")
	}
}

func main() {
	verbose := flag.Bool("v", false, "should every proxy request be logged to stdout")
	addr := flag.String("addr", ":8080", "proxy listen address")
	flag.Parse()
	proxy := goproxy.NewProxyHttpServer()
	proxy.Verbose = *verbose
	log.Fatal(http.ListenAndServe(*addr, proxy))
}

func TestHeadReqHasContentLength(t *testing.T) {
	client, l := oneShotProxy(goproxy.NewProxyHttpServer(), t)
	defer l.Close()

	resp, err := client.Head(localFile("test_data/panda.png"))
	panicOnErr(err, "resp to HEAD")
	if resp.Header.Get("Content-Length") == "" {
		t.Error("Content-Length should exist on HEAD requests")
	}
}

func TestNoProxyHeaders(t *testing.T) {
	s := httptest.NewServer(VerifyNoProxyHeaders{t})
	client, l := oneShotProxy(goproxy.NewProxyHttpServer(), t)
	defer l.Close()
	req, err := http.NewRequest("GET", s.URL, nil)
	panicOnErr(err, "bad request")
	req.Header.Add("Connection", "close")
	req.Header.Add("Proxy-Connection", "close")
	req.Header.Add("Proxy-Authenticate", "auth")
	req.Header.Add("Proxy-Authorization", "auth")
	client.Do(req)
}

func TestNoProxyHeadersHttps(t *testing.T) {
	s := httptest.NewTLSServer(VerifyNoProxyHeaders{t})
	proxy := goproxy.NewProxyHttpServer()
	proxy.OnRequest().HandleConnect(goproxy.AlwaysMitm)
	client, l := oneShotProxy(proxy, t)
	defer l.Close()
	req, err := http.NewRequest("GET", s.URL, nil)
	panicOnErr(err, "bad request")
	req.Header.Add("Connection", "close")
	req.Header.Add("Proxy-Connection", "close")
	client.Do(req)
}

func TestConnectHandler(t *testing.T) {
	proxy := goproxy.NewProxyHttpServer()
	althttps := httptest.NewTLSServer(ConstantHanlder("althttps"))
	proxy.OnRequest().HandleConnectFunc(func(host string, ctx *goproxy.ProxyCtx) (*goproxy.ConnectAction, string) {
		u, _ := url.Parse(althttps.URL)
		return goproxy.OkConnect, u.Host
	})

	client, l := oneShotProxy(proxy, t)
	defer l.Close()
	if resp := string(getOrFail(https.URL+"/alturl", client, t)); resp != "althttps" {
		t.Error("Proxy should redirect CONNECT requests to local althttps server, expected 'althttps' got ", resp)
	}
}

func main() {
	verbose := flag.Bool("v", false, "should every proxy request be logged to stdout")
	addr := flag.String("l", ":8080", "on which address should the proxy listen")
	flag.Parse()
	proxy := goproxy.NewProxyHttpServer()
	proxy.Verbose = *verbose
	if err := os.MkdirAll("db", 0755); err != nil {
		log.Fatal("Can't create dir", err)
	}
	logger, err := NewLogger("db")
	if err != nil {
		log.Fatal("can't open log file", err)
	}
	tr := transport.Transport{Proxy: transport.ProxyFromEnvironment}
	// For every incoming request, override the RoundTripper to extract
	// connection information. Store it is session context log it after
	// handling the response.
	proxy.OnRequest().DoFunc(func(req *http.Request, ctx *goproxy.ProxyCtx) (*http.Request, *http.Response) {
		ctx.RoundTripper = goproxy.RoundTripperFunc(func(req *http.Request, ctx *goproxy.ProxyCtx) (resp *http.Response, err error) {
			ctx.UserData, resp, err = tr.DetailedRoundTrip(req)
			return
		})
		logger.LogReq(req, ctx)
		return req, nil
	})
	proxy.OnResponse().DoFunc(func(resp *http.Response, ctx *goproxy.ProxyCtx) *http.Response {
		logger.LogResp(resp, ctx)
		return resp
	})
	l, err := net.Listen("tcp", *addr)
	if err != nil {
		log.Fatal("listen:", err)
	}
	sl := newStoppableListener(l)
	ch := make(chan os.Signal)
	signal.Notify(ch, os.Interrupt)
	go func() {
		<-ch
		log.Println("Got SIGINT exiting")
		sl.Add(1)
		sl.Close()
		logger.Close()
		sl.Done()
	}()
	log.Println("Starting Proxy")
	http.Serve(sl, proxy)
	sl.Wait()
	log.Println("All connections closed - exit")
}

func TestSimpleHttpReqWithProxy(t *testing.T) {
	client, s := oneShotProxy(goproxy.NewProxyHttpServer(), t)
	defer s.Close()

	if r := string(getOrFail(srv.URL+"/bobo", client, t)); r != "bobo" {
		t.Error("proxy server does not serve constant handlers", r)
	}
	if r := string(getOrFail(srv.URL+"/bobo", client, t)); r != "bobo" {
		t.Error("proxy server does not serve constant handlers", r)
	}

	if string(getOrFail(https.URL+"/bobo", client, t)) != "bobo" {
		t.Error("TLS server does not serve constant handlers, when proxy is used")
	}
}

func TestAlwaysHook(t *testing.T) {
	proxy := goproxy.NewProxyHttpServer()
	proxy.OnRequest().DoFunc(func(req *http.Request, ctx *goproxy.ProxyCtx) (*http.Request, *http.Response) {
		req.URL.Path = "/bobo"
		return req, nil
	})
	client, l := oneShotProxy(proxy, t)
	defer l.Close()

	if result := string(getOrFail(srv.URL+("/momo"), client, t)); result != "bobo" {
		t.Error("Redirecting all requests from 127.0.0.1 to bobo, didn't work." +
			" (Might break if Go's client sets RemoteAddr to IPv6 address). Got: " +
			result)
	}
}

func main() {
	verbose := flag.Bool("v", false, "should every proxy request be logged to stdout")
	addr := flag.String("addr", ":8080", "proxy listen address")
	flag.Parse()
	proxy := goproxy.NewProxyHttpServer()
	proxy.OnRequest().HandleConnect(goproxy.AlwaysMitm)
	proxy.OnRequest().DoFunc(func(req *http.Request, ctx *goproxy.ProxyCtx) (*http.Request, *http.Response) {
		if req.URL.Scheme == "https" {
			req.URL.Scheme = "http"
		}
		return req, nil
	})
	proxy.Verbose = *verbose
	log.Fatal(http.ListenAndServe(*addr, proxy))
}