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- // Copyright 2015 Google Inc. All rights reserved.
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
-
- package proxyauth
-
- import (
- "encoding/base64"
- "errors"
- "net/http"
- "testing"
-
- "github.com/google/martian"
- "github.com/google/martian/auth"
- "github.com/google/martian/martiantest"
- "github.com/google/martian/proxyutil"
- )
-
- func encode(v string) string {
- return base64.StdEncoding.EncodeToString([]byte(v))
- }
-
- func TestNoModifiers(t *testing.T) {
- m := NewModifier()
- m.SetRequestModifier(nil)
- m.SetResponseModifier(nil)
-
- req, err := http.NewRequest("GET", "http://example.com", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
-
- _, remove, err := martian.TestContext(req, nil, nil)
- if err != nil {
- t.Fatalf("martian.TestContext(): got %v, want no error", err)
- }
- defer remove()
-
- if err := m.ModifyRequest(req); err != nil {
- t.Errorf("ModifyRequest(): got %v, want no error", err)
- }
-
- res := proxyutil.NewResponse(200, nil, req)
- if err := m.ModifyResponse(res); err != nil {
- t.Errorf("ModifyResponse(): got %v, want no error", err)
- }
- }
-
- func TestProxyAuth(t *testing.T) {
- m := NewModifier()
- tm := martiantest.NewModifier()
- m.SetRequestModifier(tm)
- m.SetResponseModifier(tm)
-
- req, err := http.NewRequest("GET", "http://example.com", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- req.Header.Set("Proxy-Authorization", "Basic "+encode("user:pass"))
-
- ctx, remove, err := martian.TestContext(req, nil, nil)
- if err != nil {
- t.Fatalf("martian.TestContext(): got %v, want no error", err)
- }
- defer remove()
-
- if err := m.ModifyRequest(req); err != nil {
- t.Fatalf("ModifyRequest(): got %v, want no error", err)
- }
-
- actx := auth.FromContext(ctx)
- if got, want := actx.ID(), "user:pass"; got != want {
- t.Fatalf("actx.ID(): got %q, want %q", got, want)
- }
-
- if err := m.ModifyRequest(req); err != nil {
- t.Fatalf("ModifyRequest(): got %v, want no error", err)
- }
- if !tm.RequestModified() {
- t.Error("tm.RequestModified(): got false, want true")
- }
-
- res := proxyutil.NewResponse(200, nil, req)
-
- if err := m.ModifyResponse(res); err != nil {
- t.Fatalf("ModifyResponse(): got %v, want no error", err)
- }
-
- if err := m.ModifyResponse(res); err != nil {
- t.Fatalf("ModifyResponse(): got %v, want no error", err)
- }
-
- if !tm.ResponseModified() {
- t.Error("tm.ResponseModified(): got false, want true")
- }
-
- if got, want := res.StatusCode, 200; got != want {
- t.Errorf("res.StatusCode: got %d, want %d", got, want)
- }
- if got, want := res.Header.Get("Proxy-Authenticate"), ""; got != want {
- t.Errorf("res.Header.Get(%q): got %q, want %q", "Proxy-Authenticate", got, want)
- }
- }
-
- func TestProxyAuthInvalidCredentials(t *testing.T) {
- m := NewModifier()
- authErr := errors.New("auth error")
-
- tm := martiantest.NewModifier()
- tm.RequestFunc(func(req *http.Request) {
- ctx := martian.NewContext(req)
- actx := auth.FromContext(ctx)
-
- actx.SetError(authErr)
- })
- tm.ResponseFunc(func(res *http.Response) {
- ctx := martian.NewContext(res.Request)
- actx := auth.FromContext(ctx)
-
- actx.SetError(authErr)
- })
-
- m.SetRequestModifier(tm)
- m.SetResponseModifier(tm)
-
- req, err := http.NewRequest("GET", "http://example.com", nil)
- if err != nil {
- t.Fatalf("http.NewRequest(): got %v, want no error", err)
- }
- req.Header.Set("Proxy-Authorization", "Basic "+encode("user:pass"))
-
- ctx, remove, err := martian.TestContext(req, nil, nil)
- if err != nil {
- t.Fatalf("martian.TestContext(): got %v, want no error", err)
- }
- defer remove()
-
- if err := m.ModifyRequest(req); err != nil {
- t.Fatalf("ModifyRequest(): got %v, want no error", err)
- }
-
- if !tm.RequestModified() {
- t.Error("tm.RequestModified(): got false, want true")
- }
-
- actx := auth.FromContext(ctx)
- if actx.Error() != authErr {
- t.Fatalf("auth.Error(): got %v, want %v", actx.Error(), authErr)
- }
- actx.SetError(nil)
-
- res := proxyutil.NewResponse(200, nil, req)
-
- if err := m.ModifyResponse(res); err != nil {
- t.Fatalf("ModifyResponse(): got %v, want no error", err)
- }
-
- if !tm.ResponseModified() {
- t.Error("tm.ResponseModified(): got false, want true")
- }
-
- if actx.Error() != authErr {
- t.Fatalf("auth.Error(): got %v, want %v", actx.Error(), authErr)
- }
-
- if got, want := res.StatusCode, http.StatusProxyAuthRequired; got != want {
- t.Errorf("res.StatusCode: got %d, want %d", got, want)
- }
- if got, want := res.Header.Get("Proxy-Authenticate"), "Basic"; got != want {
- t.Errorf("res.Header.Get(%q): got %q, want %q", "Proxy-Authenticate", got, want)
- }
- }
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