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|
package auth_test
import (
"encoding/base64"
"io"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"os/exec"
"os/signal"
"sync/atomic"
"testing"
"github.com/elazarl/goproxy"
"github.com/elazarl/goproxy/ext/auth"
)
type ConstantHanlder string
func (h ConstantHanlder) ServeHTTP(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, string(h))
}
func oneShotProxy(proxy *goproxy.ProxyHttpServer) (client *http.Client, s *httptest.Server) {
s = httptest.NewServer(proxy)
proxyUrl, _ := url.Parse(s.URL)
tr := &http.Transport{Proxy: http.ProxyURL(proxyUrl)}
client = &http.Client{Transport: tr}
return
}
func times(n int, s string) string {
r := make([]byte, 0, n*len(s))
for i := 0; i < n; i++ {
r = append(r, s...)
}
return string(r)
}
func TestBasicConnectAuthWithCurl(t *testing.T) {
expected := ":c>"
background := httptest.NewTLSServer(ConstantHanlder(expected))
defer background.Close()
proxy := goproxy.NewProxyHttpServer()
proxy.OnRequest().HandleConnect(auth.BasicConnect("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", "--insecure",
"-x", proxyserver.URL,
"-U", "user:open sesame",
"-p",
"--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 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 TestBasicAuth(t *testing.T) {
expected := "hello"
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"
}))
client, proxyserver := oneShotProxy(proxy)
defer proxyserver.Close()
// without auth
resp, err := client.Get(background.URL)
if err != nil {
t.Fatal(err)
}
if resp.Header.Get("Proxy-Authenticate") != "Basic realm=my_realm" {
t.Error("Expected Proxy-Authenticate header got", resp.Header.Get("Proxy-Authenticate"))
}
if resp.StatusCode != 407 {
t.Error("Expected status 407 Proxy Authentication Required, got", resp.Status)
}
// with auth
req, err := http.NewRequest("GET", background.URL, nil)
if err != nil {
t.Fatal(err)
}
req.Header.Set("Proxy-Authorization",
"Basic "+base64.StdEncoding.EncodeToString([]byte("user:open sesame")))
resp, err = client.Do(req)
if err != nil {
t.Fatal(err)
}
if resp.StatusCode != 200 {
t.Error("Expected status 200 OK, got", resp.Status)
}
msg, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
if string(msg) != "hello" {
t.Errorf("Expected '%s', actual '%s'", expected, string(msg))
}
}
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 actually 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")
}
}
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