diff options
Diffstat (limited to 'libgo/go/net/http/client_test.go')
| -rw-r--r-- | libgo/go/net/http/client_test.go | 777 |
1 files changed, 735 insertions, 42 deletions
diff --git a/libgo/go/net/http/client_test.go b/libgo/go/net/http/client_test.go index 8939dc8baf..4f674dd8d6 100644 --- a/libgo/go/net/http/client_test.go +++ b/libgo/go/net/http/client_test.go @@ -8,6 +8,7 @@ package http_test import ( "bytes" + "context" "crypto/tls" "crypto/x509" "encoding/base64" @@ -18,11 +19,14 @@ import ( "log" "net" . "net/http" + "net/http/cookiejar" "net/http/httptest" "net/url" + "reflect" "strconv" "strings" "sync" + "sync/atomic" "testing" "time" ) @@ -64,11 +68,13 @@ func (w chanWriter) Write(p []byte) (n int, err error) { } func TestClient(t *testing.T) { + setParallel(t) defer afterTest(t) ts := httptest.NewServer(robotsTxtHandler) defer ts.Close() - r, err := Get(ts.URL) + c := &Client{Transport: &Transport{DisableKeepAlives: true}} + r, err := c.Get(ts.URL) var b []byte if err == nil { b, err = pedanticReadAll(r.Body) @@ -108,6 +114,7 @@ func (t *recordingTransport) RoundTrip(req *Request) (resp *Response, err error) } func TestGetRequestFormat(t *testing.T) { + setParallel(t) defer afterTest(t) tr := &recordingTransport{} client := &Client{Transport: tr} @@ -194,6 +201,7 @@ func TestPostFormRequestFormat(t *testing.T) { } func TestClientRedirects(t *testing.T) { + setParallel(t) defer afterTest(t) var ts *httptest.Server ts = httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { @@ -205,14 +213,17 @@ func TestClientRedirects(t *testing.T) { } } if n < 15 { - Redirect(w, r, fmt.Sprintf("/?n=%d", n+1), StatusFound) + Redirect(w, r, fmt.Sprintf("/?n=%d", n+1), StatusTemporaryRedirect) return } fmt.Fprintf(w, "n=%d", n) })) defer ts.Close() - c := &Client{} + tr := &Transport{} + defer tr.CloseIdleConnections() + + c := &Client{Transport: tr} _, err := c.Get(ts.URL) if e, g := "Get /?n=10: stopped after 10 redirects", fmt.Sprintf("%v", err); e != g { t.Errorf("with default client Get, expected error %q, got %q", e, g) @@ -241,11 +252,14 @@ func TestClientRedirects(t *testing.T) { var checkErr error var lastVia []*Request var lastReq *Request - c = &Client{CheckRedirect: func(req *Request, via []*Request) error { - lastReq = req - lastVia = via - return checkErr - }} + c = &Client{ + Transport: tr, + CheckRedirect: func(req *Request, via []*Request) error { + lastReq = req + lastVia = via + return checkErr + }, + } res, err := c.Get(ts.URL) if err != nil { t.Fatalf("Get error: %v", err) @@ -273,7 +287,7 @@ func TestClientRedirects(t *testing.T) { t.Fatal("didn't see redirect") } if lastReq.Cancel != cancel { - t.Errorf("expected lastReq to have the cancel channel set on the inital req") + t.Errorf("expected lastReq to have the cancel channel set on the initial req") } checkErr = errors.New("no redirects allowed") @@ -290,7 +304,125 @@ func TestClientRedirects(t *testing.T) { } } +func TestClientRedirectContext(t *testing.T) { + setParallel(t) + defer afterTest(t) + ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { + Redirect(w, r, "/", StatusTemporaryRedirect) + })) + defer ts.Close() + + tr := &Transport{} + defer tr.CloseIdleConnections() + + ctx, cancel := context.WithCancel(context.Background()) + c := &Client{ + Transport: tr, + CheckRedirect: func(req *Request, via []*Request) error { + cancel() + if len(via) > 2 { + return errors.New("too many redirects") + } + return nil + }, + } + req, _ := NewRequest("GET", ts.URL, nil) + req = req.WithContext(ctx) + _, err := c.Do(req) + ue, ok := err.(*url.Error) + if !ok { + t.Fatalf("got error %T; want *url.Error", err) + } + if ue.Err != context.Canceled { + t.Errorf("url.Error.Err = %v; want %v", ue.Err, context.Canceled) + } +} + +type redirectTest struct { + suffix string + want int // response code + redirectBody string +} + func TestPostRedirects(t *testing.T) { + postRedirectTests := []redirectTest{ + {"/", 200, "first"}, + {"/?code=301&next=302", 200, "c301"}, + {"/?code=302&next=302", 200, "c302"}, + {"/?code=303&next=301", 200, "c303wc301"}, // Issue 9348 + {"/?code=304", 304, "c304"}, + {"/?code=305", 305, "c305"}, + {"/?code=307&next=303,308,302", 200, "c307"}, + {"/?code=308&next=302,301", 200, "c308"}, + {"/?code=404", 404, "c404"}, + } + + wantSegments := []string{ + `POST / "first"`, + `POST /?code=301&next=302 "c301"`, + `GET /?code=302 ""`, + `GET / ""`, + `POST /?code=302&next=302 "c302"`, + `GET /?code=302 ""`, + `GET / ""`, + `POST /?code=303&next=301 "c303wc301"`, + `GET /?code=301 ""`, + `GET / ""`, + `POST /?code=304 "c304"`, + `POST /?code=305 "c305"`, + `POST /?code=307&next=303,308,302 "c307"`, + `POST /?code=303&next=308,302 "c307"`, + `GET /?code=308&next=302 ""`, + `GET /?code=302 "c307"`, + `GET / ""`, + `POST /?code=308&next=302,301 "c308"`, + `POST /?code=302&next=301 "c308"`, + `GET /?code=301 ""`, + `GET / ""`, + `POST /?code=404 "c404"`, + } + want := strings.Join(wantSegments, "\n") + testRedirectsByMethod(t, "POST", postRedirectTests, want) +} + +func TestDeleteRedirects(t *testing.T) { + deleteRedirectTests := []redirectTest{ + {"/", 200, "first"}, + {"/?code=301&next=302,308", 200, "c301"}, + {"/?code=302&next=302", 200, "c302"}, + {"/?code=303", 200, "c303"}, + {"/?code=307&next=301,308,303,302,304", 304, "c307"}, + {"/?code=308&next=307", 200, "c308"}, + {"/?code=404", 404, "c404"}, + } + + wantSegments := []string{ + `DELETE / "first"`, + `DELETE /?code=301&next=302,308 "c301"`, + `GET /?code=302&next=308 ""`, + `GET /?code=308 ""`, + `GET / "c301"`, + `DELETE /?code=302&next=302 "c302"`, + `GET /?code=302 ""`, + `GET / ""`, + `DELETE /?code=303 "c303"`, + `GET / ""`, + `DELETE /?code=307&next=301,308,303,302,304 "c307"`, + `DELETE /?code=301&next=308,303,302,304 "c307"`, + `GET /?code=308&next=303,302,304 ""`, + `GET /?code=303&next=302,304 "c307"`, + `GET /?code=302&next=304 ""`, + `GET /?code=304 ""`, + `DELETE /?code=308&next=307 "c308"`, + `DELETE /?code=307 "c308"`, + `DELETE / "c308"`, + `DELETE /?code=404 "c404"`, + } + want := strings.Join(wantSegments, "\n") + testRedirectsByMethod(t, "DELETE", deleteRedirectTests, want) +} + +func testRedirectsByMethod(t *testing.T, method string, table []redirectTest, want string) { defer afterTest(t) var log struct { sync.Mutex @@ -299,29 +431,39 @@ func TestPostRedirects(t *testing.T) { var ts *httptest.Server ts = httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { log.Lock() - fmt.Fprintf(&log.Buffer, "%s %s ", r.Method, r.RequestURI) + slurp, _ := ioutil.ReadAll(r.Body) + fmt.Fprintf(&log.Buffer, "%s %s %q", r.Method, r.RequestURI, slurp) + if cl := r.Header.Get("Content-Length"); r.Method == "GET" && len(slurp) == 0 && (r.ContentLength != 0 || cl != "") { + fmt.Fprintf(&log.Buffer, " (but with body=%T, content-length = %v, %q)", r.Body, r.ContentLength, cl) + } + log.WriteByte('\n') log.Unlock() - if v := r.URL.Query().Get("code"); v != "" { + urlQuery := r.URL.Query() + if v := urlQuery.Get("code"); v != "" { + location := ts.URL + if final := urlQuery.Get("next"); final != "" { + splits := strings.Split(final, ",") + first, rest := splits[0], splits[1:] + location = fmt.Sprintf("%s?code=%s", location, first) + if len(rest) > 0 { + location = fmt.Sprintf("%s&next=%s", location, strings.Join(rest, ",")) + } + } code, _ := strconv.Atoi(v) if code/100 == 3 { - w.Header().Set("Location", ts.URL) + w.Header().Set("Location", location) } w.WriteHeader(code) } })) defer ts.Close() - tests := []struct { - suffix string - want int // response code - }{ - {"/", 200}, - {"/?code=301", 301}, - {"/?code=302", 200}, - {"/?code=303", 200}, - {"/?code=404", 404}, - } - for _, tt := range tests { - res, err := Post(ts.URL+tt.suffix, "text/plain", strings.NewReader("Some content")) + + for _, tt := range table { + content := tt.redirectBody + req, _ := NewRequest(method, ts.URL+tt.suffix, strings.NewReader(content)) + req.GetBody = func() (io.ReadCloser, error) { return ioutil.NopCloser(strings.NewReader(content)), nil } + res, err := DefaultClient.Do(req) + if err != nil { t.Fatal(err) } @@ -332,9 +474,125 @@ func TestPostRedirects(t *testing.T) { log.Lock() got := log.String() log.Unlock() - want := "POST / POST /?code=301 POST /?code=302 GET / POST /?code=303 GET / POST /?code=404 " + + got = strings.TrimSpace(got) + want = strings.TrimSpace(want) + if got != want { - t.Errorf("Log differs.\n Got: %q\nWant: %q", got, want) + got, want, lines := removeCommonLines(got, want) + t.Errorf("Log differs after %d common lines.\n\nGot:\n%s\n\nWant:\n%s\n", lines, got, want) + } +} + +func removeCommonLines(a, b string) (asuffix, bsuffix string, commonLines int) { + for { + nl := strings.IndexByte(a, '\n') + if nl < 0 { + return a, b, commonLines + } + line := a[:nl+1] + if !strings.HasPrefix(b, line) { + return a, b, commonLines + } + commonLines++ + a = a[len(line):] + b = b[len(line):] + } +} + +func TestClientRedirectUseResponse(t *testing.T) { + setParallel(t) + defer afterTest(t) + const body = "Hello, world." + var ts *httptest.Server + ts = httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { + if strings.Contains(r.URL.Path, "/other") { + io.WriteString(w, "wrong body") + } else { + w.Header().Set("Location", ts.URL+"/other") + w.WriteHeader(StatusFound) + io.WriteString(w, body) + } + })) + defer ts.Close() + + tr := &Transport{} + defer tr.CloseIdleConnections() + + c := &Client{ + Transport: tr, + CheckRedirect: func(req *Request, via []*Request) error { + if req.Response == nil { + t.Error("expected non-nil Request.Response") + } + return ErrUseLastResponse + }, + } + res, err := c.Get(ts.URL) + if err != nil { + t.Fatal(err) + } + if res.StatusCode != StatusFound { + t.Errorf("status = %d; want %d", res.StatusCode, StatusFound) + } + defer res.Body.Close() + slurp, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatal(err) + } + if string(slurp) != body { + t.Errorf("body = %q; want %q", slurp, body) + } +} + +// Issue 17773: don't follow a 308 (or 307) if the response doesn't +// have a Location header. +func TestClientRedirect308NoLocation(t *testing.T) { + setParallel(t) + defer afterTest(t) + ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { + w.Header().Set("Foo", "Bar") + w.WriteHeader(308) + })) + defer ts.Close() + res, err := Get(ts.URL) + if err != nil { + t.Fatal(err) + } + res.Body.Close() + if res.StatusCode != 308 { + t.Errorf("status = %d; want %d", res.StatusCode, 308) + } + if got := res.Header.Get("Foo"); got != "Bar" { + t.Errorf("Foo header = %q; want Bar", got) + } +} + +// Don't follow a 307/308 if we can't resent the request body. +func TestClientRedirect308NoGetBody(t *testing.T) { + setParallel(t) + defer afterTest(t) + const fakeURL = "https://localhost:1234/" // won't be hit + ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { + w.Header().Set("Location", fakeURL) + w.WriteHeader(308) + })) + defer ts.Close() + req, err := NewRequest("POST", ts.URL, strings.NewReader("some body")) + if err != nil { + t.Fatal(err) + } + req.GetBody = nil // so it can't rewind. + res, err := DefaultClient.Do(req) + if err != nil { + t.Fatal(err) + } + res.Body.Close() + if res.StatusCode != 308 { + t.Errorf("status = %d; want %d", res.StatusCode, 308) + } + if got := res.Header.Get("Location"); got != fakeURL { + t.Errorf("Location header = %q; want %q", got, fakeURL) } } @@ -410,12 +668,16 @@ func (j *TestJar) Cookies(u *url.URL) []*Cookie { } func TestRedirectCookiesJar(t *testing.T) { + setParallel(t) defer afterTest(t) var ts *httptest.Server ts = httptest.NewServer(echoCookiesRedirectHandler) defer ts.Close() + tr := &Transport{} + defer tr.CloseIdleConnections() c := &Client{ - Jar: new(TestJar), + Transport: tr, + Jar: new(TestJar), } u, _ := url.Parse(ts.URL) c.Jar.SetCookies(u, []*Cookie{expectedCookies[0]}) @@ -599,6 +861,7 @@ func TestClientWrites(t *testing.T) { } func TestClientInsecureTransport(t *testing.T) { + setParallel(t) defer afterTest(t) ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) { w.Write([]byte("Hello")) @@ -776,6 +1039,7 @@ func TestResponseSetsTLSConnectionState(t *testing.T) { func TestHTTPSClientDetectsHTTPServer(t *testing.T) { defer afterTest(t) ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {})) + ts.Config.ErrorLog = quietLog defer ts.Close() _, err := Get(strings.Replace(ts.URL, "http", "https", 1)) @@ -829,6 +1093,7 @@ func testClientHeadContentLength(t *testing.T, h2 bool) { } func TestEmptyPasswordAuth(t *testing.T) { + setParallel(t) defer afterTest(t) gopher := "gopher" ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { @@ -849,7 +1114,9 @@ func TestEmptyPasswordAuth(t *testing.T) { } })) defer ts.Close() - c := &Client{} + tr := &Transport{} + defer tr.CloseIdleConnections() + c := &Client{Transport: tr} req, err := NewRequest("GET", ts.URL, nil) if err != nil { t.Fatal(err) @@ -941,10 +1208,10 @@ func TestClientTimeout_h1(t *testing.T) { testClientTimeout(t, h1Mode) } func TestClientTimeout_h2(t *testing.T) { testClientTimeout(t, h2Mode) } func testClientTimeout(t *testing.T, h2 bool) { - if testing.Short() { - t.Skip("skipping in short mode") - } + setParallel(t) defer afterTest(t) + testDone := make(chan struct{}) // closed in defer below + sawRoot := make(chan bool, 1) sawSlow := make(chan bool, 1) cst := newClientServerTest(t, h2, HandlerFunc(func(w ResponseWriter, r *Request) { @@ -954,19 +1221,26 @@ func testClientTimeout(t *testing.T, h2 bool) { return } if r.URL.Path == "/slow" { + sawSlow <- true w.Write([]byte("Hello")) w.(Flusher).Flush() - sawSlow <- true - time.Sleep(2 * time.Second) + <-testDone return } })) defer cst.close() - const timeout = 500 * time.Millisecond + defer close(testDone) // before cst.close, to unblock /slow handler + + // 200ms should be long enough to get a normal request (the / + // handler), but not so long that it makes the test slow. + const timeout = 200 * time.Millisecond cst.c.Timeout = timeout res, err := cst.c.Get(cst.ts.URL) if err != nil { + if strings.Contains(err.Error(), "Client.Timeout") { + t.Skipf("host too slow to get fast resource in %v", timeout) + } t.Fatal(err) } @@ -991,7 +1265,7 @@ func testClientTimeout(t *testing.T, h2 bool) { res.Body.Close() }() - const failTime = timeout * 2 + const failTime = 5 * time.Second select { case err := <-errc: if err == nil { @@ -1016,11 +1290,9 @@ func TestClientTimeout_Headers_h2(t *testing.T) { testClientTimeout_Headers(t, h // Client.Timeout firing before getting to the body func testClientTimeout_Headers(t *testing.T, h2 bool) { - if testing.Short() { - t.Skip("skipping in short mode") - } + setParallel(t) defer afterTest(t) - donec := make(chan bool) + donec := make(chan bool, 1) cst := newClientServerTest(t, h2, HandlerFunc(func(w ResponseWriter, r *Request) { <-donec })) @@ -1034,9 +1306,10 @@ func testClientTimeout_Headers(t *testing.T, h2 bool) { // doesn't know this, so synchronize explicitly. defer func() { donec <- true }() - cst.c.Timeout = 500 * time.Millisecond - _, err := cst.c.Get(cst.ts.URL) + cst.c.Timeout = 5 * time.Millisecond + res, err := cst.c.Get(cst.ts.URL) if err == nil { + res.Body.Close() t.Fatal("got response from Get; expected error") } if _, ok := err.(*url.Error); !ok { @@ -1054,9 +1327,40 @@ func testClientTimeout_Headers(t *testing.T, h2 bool) { } } +// Issue 16094: if Client.Timeout is set but not hit, a Timeout error shouldn't be +// returned. +func TestClientTimeoutCancel(t *testing.T) { + setParallel(t) + defer afterTest(t) + + testDone := make(chan struct{}) + ctx, cancel := context.WithCancel(context.Background()) + + cst := newClientServerTest(t, h1Mode, HandlerFunc(func(w ResponseWriter, r *Request) { + w.(Flusher).Flush() + <-testDone + })) + defer cst.close() + defer close(testDone) + + cst.c.Timeout = 1 * time.Hour + req, _ := NewRequest("GET", cst.ts.URL, nil) + req.Cancel = ctx.Done() + res, err := cst.c.Do(req) + if err != nil { + t.Fatal(err) + } + cancel() + _, err = io.Copy(ioutil.Discard, res.Body) + if err != ExportErrRequestCanceled { + t.Fatalf("error = %v; want errRequestCanceled", err) + } +} + func TestClientRedirectEatsBody_h1(t *testing.T) { testClientRedirectEatsBody(t, h1Mode) } func TestClientRedirectEatsBody_h2(t *testing.T) { testClientRedirectEatsBody(t, h2Mode) } func testClientRedirectEatsBody(t *testing.T, h2 bool) { + setParallel(t) defer afterTest(t) saw := make(chan string, 2) cst := newClientServerTest(t, h2, HandlerFunc(func(w ResponseWriter, r *Request) { @@ -1072,10 +1376,10 @@ func testClientRedirectEatsBody(t *testing.T, h2 bool) { t.Fatal(err) } _, err = ioutil.ReadAll(res.Body) + res.Body.Close() if err != nil { t.Fatal(err) } - res.Body.Close() var first string select { @@ -1140,3 +1444,392 @@ func TestReferer(t *testing.T) { } } } + +// issue15577Tripper returns a Response with a redirect response +// header and doesn't populate its Response.Request field. +type issue15577Tripper struct{} + +func (issue15577Tripper) RoundTrip(*Request) (*Response, error) { + resp := &Response{ + StatusCode: 303, + Header: map[string][]string{"Location": {"http://www.example.com/"}}, + Body: ioutil.NopCloser(strings.NewReader("")), + } + return resp, nil +} + +// Issue 15577: don't assume the roundtripper's response populates its Request field. +func TestClientRedirectResponseWithoutRequest(t *testing.T) { + c := &Client{ + CheckRedirect: func(*Request, []*Request) error { return fmt.Errorf("no redirects!") }, + Transport: issue15577Tripper{}, + } + // Check that this doesn't crash: + c.Get("http://dummy.tld") +} + +// Issue 4800: copy (some) headers when Client follows a redirect +func TestClientCopyHeadersOnRedirect(t *testing.T) { + const ( + ua = "some-agent/1.2" + xfoo = "foo-val" + ) + var ts2URL string + ts1 := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { + want := Header{ + "User-Agent": []string{ua}, + "X-Foo": []string{xfoo}, + "Referer": []string{ts2URL}, + "Accept-Encoding": []string{"gzip"}, + } + if !reflect.DeepEqual(r.Header, want) { + t.Errorf("Request.Header = %#v; want %#v", r.Header, want) + } + if t.Failed() { + w.Header().Set("Result", "got errors") + } else { + w.Header().Set("Result", "ok") + } + })) + defer ts1.Close() + ts2 := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { + Redirect(w, r, ts1.URL, StatusFound) + })) + defer ts2.Close() + ts2URL = ts2.URL + + tr := &Transport{} + defer tr.CloseIdleConnections() + c := &Client{ + Transport: tr, + CheckRedirect: func(r *Request, via []*Request) error { + want := Header{ + "User-Agent": []string{ua}, + "X-Foo": []string{xfoo}, + "Referer": []string{ts2URL}, + } + if !reflect.DeepEqual(r.Header, want) { + t.Errorf("CheckRedirect Request.Header = %#v; want %#v", r.Header, want) + } + return nil + }, + } + + req, _ := NewRequest("GET", ts2.URL, nil) + req.Header.Add("User-Agent", ua) + req.Header.Add("X-Foo", xfoo) + req.Header.Add("Cookie", "foo=bar") + req.Header.Add("Authorization", "secretpassword") + res, err := c.Do(req) + if err != nil { + t.Fatal(err) + } + defer res.Body.Close() + if res.StatusCode != 200 { + t.Fatal(res.Status) + } + if got := res.Header.Get("Result"); got != "ok" { + t.Errorf("result = %q; want ok", got) + } +} + +// Issue 17494: cookies should be altered when Client follows redirects. +func TestClientAltersCookiesOnRedirect(t *testing.T) { + cookieMap := func(cs []*Cookie) map[string][]string { + m := make(map[string][]string) + for _, c := range cs { + m[c.Name] = append(m[c.Name], c.Value) + } + return m + } + + ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { + var want map[string][]string + got := cookieMap(r.Cookies()) + + c, _ := r.Cookie("Cycle") + switch c.Value { + case "0": + want = map[string][]string{ + "Cookie1": {"OldValue1a", "OldValue1b"}, + "Cookie2": {"OldValue2"}, + "Cookie3": {"OldValue3a", "OldValue3b"}, + "Cookie4": {"OldValue4"}, + "Cycle": {"0"}, + } + SetCookie(w, &Cookie{Name: "Cycle", Value: "1", Path: "/"}) + SetCookie(w, &Cookie{Name: "Cookie2", Path: "/", MaxAge: -1}) // Delete cookie from Header + Redirect(w, r, "/", StatusFound) + case "1": + want = map[string][]string{ + "Cookie1": {"OldValue1a", "OldValue1b"}, + "Cookie3": {"OldValue3a", "OldValue3b"}, + "Cookie4": {"OldValue4"}, + "Cycle": {"1"}, + } + SetCookie(w, &Cookie{Name: "Cycle", Value: "2", Path: "/"}) + SetCookie(w, &Cookie{Name: "Cookie3", Value: "NewValue3", Path: "/"}) // Modify cookie in Header + SetCookie(w, &Cookie{Name: "Cookie4", Value: "NewValue4", Path: "/"}) // Modify cookie in Jar + Redirect(w, r, "/", StatusFound) + case "2": + want = map[string][]string{ + "Cookie1": {"OldValue1a", "OldValue1b"}, + "Cookie3": {"NewValue3"}, + "Cookie4": {"NewValue4"}, + "Cycle": {"2"}, + } + SetCookie(w, &Cookie{Name: "Cycle", Value: "3", Path: "/"}) + SetCookie(w, &Cookie{Name: "Cookie5", Value: "NewValue5", Path: "/"}) // Insert cookie into Jar + Redirect(w, r, "/", StatusFound) + case "3": + want = map[string][]string{ + "Cookie1": {"OldValue1a", "OldValue1b"}, + "Cookie3": {"NewValue3"}, + "Cookie4": {"NewValue4"}, + "Cookie5": {"NewValue5"}, + "Cycle": {"3"}, + } + // Don't redirect to ensure the loop ends. + default: + t.Errorf("unexpected redirect cycle") + return + } + + if !reflect.DeepEqual(got, want) { + t.Errorf("redirect %s, Cookie = %v, want %v", c.Value, got, want) + } + })) + defer ts.Close() + + tr := &Transport{} + defer tr.CloseIdleConnections() + jar, _ := cookiejar.New(nil) + c := &Client{ + Transport: tr, + Jar: jar, + } + + u, _ := url.Parse(ts.URL) + req, _ := NewRequest("GET", ts.URL, nil) + req.AddCookie(&Cookie{Name: "Cookie1", Value: "OldValue1a"}) + req.AddCookie(&Cookie{Name: "Cookie1", Value: "OldValue1b"}) + req.AddCookie(&Cookie{Name: "Cookie2", Value: "OldValue2"}) + req.AddCookie(&Cookie{Name: "Cookie3", Value: "OldValue3a"}) + req.AddCookie(&Cookie{Name: "Cookie3", Value: "OldValue3b"}) + jar.SetCookies(u, []*Cookie{{Name: "Cookie4", Value: "OldValue4", Path: "/"}}) + jar.SetCookies(u, []*Cookie{{Name: "Cycle", Value: "0", Path: "/"}}) + res, err := c.Do(req) + if err != nil { + t.Fatal(err) + } + defer res.Body.Close() + if res.StatusCode != 200 { + t.Fatal(res.Status) + } +} + +// Part of Issue 4800 +func TestShouldCopyHeaderOnRedirect(t *testing.T) { + tests := []struct { + header string + initialURL string + destURL string + want bool + }{ + {"User-Agent", "http://foo.com/", "http://bar.com/", true}, + {"X-Foo", "http://foo.com/", "http://bar.com/", true}, + + // Sensitive headers: + {"cookie", "http://foo.com/", "http://bar.com/", false}, + {"cookie2", "http://foo.com/", "http://bar.com/", false}, + {"authorization", "http://foo.com/", "http://bar.com/", false}, + {"www-authenticate", "http://foo.com/", "http://bar.com/", false}, + + // But subdomains should work: + {"www-authenticate", "http://foo.com/", "http://foo.com/", true}, + {"www-authenticate", "http://foo.com/", "http://sub.foo.com/", true}, + {"www-authenticate", "http://foo.com/", "http://notfoo.com/", false}, + // TODO(bradfitz): make this test work, once issue 16142 is fixed: + // {"www-authenticate", "http://foo.com:80/", "http://foo.com/", true}, + } + for i, tt := range tests { + u0, err := url.Parse(tt.initialURL) + if err != nil { + t.Errorf("%d. initial URL %q parse error: %v", i, tt.initialURL, err) + continue + } + u1, err := url.Parse(tt.destURL) + if err != nil { + t.Errorf("%d. dest URL %q parse error: %v", i, tt.destURL, err) + continue + } + got := Export_shouldCopyHeaderOnRedirect(tt.header, u0, u1) + if got != tt.want { + t.Errorf("%d. shouldCopyHeaderOnRedirect(%q, %q => %q) = %v; want %v", + i, tt.header, tt.initialURL, tt.destURL, got, tt.want) + } + } +} + +func TestClientRedirectTypes(t *testing.T) { + setParallel(t) + defer afterTest(t) + + tests := [...]struct { + method string + serverStatus int + wantMethod string // desired subsequent client method + }{ + 0: {method: "POST", serverStatus: 301, wantMethod: "GET"}, + 1: {method: "POST", serverStatus: 302, wantMethod: "GET"}, + 2: {method: "POST", serverStatus: 303, wantMethod: "GET"}, + 3: {method: "POST", serverStatus: 307, wantMethod: "POST"}, + 4: {method: "POST", serverStatus: 308, wantMethod: "POST"}, + + 5: {method: "HEAD", serverStatus: 301, wantMethod: "HEAD"}, + 6: {method: "HEAD", serverStatus: 302, wantMethod: "HEAD"}, + 7: {method: "HEAD", serverStatus: 303, wantMethod: "HEAD"}, + 8: {method: "HEAD", serverStatus: 307, wantMethod: "HEAD"}, + 9: {method: "HEAD", serverStatus: 308, wantMethod: "HEAD"}, + + 10: {method: "GET", serverStatus: 301, wantMethod: "GET"}, + 11: {method: "GET", serverStatus: 302, wantMethod: "GET"}, + 12: {method: "GET", serverStatus: 303, wantMethod: "GET"}, + 13: {method: "GET", serverStatus: 307, wantMethod: "GET"}, + 14: {method: "GET", serverStatus: 308, wantMethod: "GET"}, + + 15: {method: "DELETE", serverStatus: 301, wantMethod: "GET"}, + 16: {method: "DELETE", serverStatus: 302, wantMethod: "GET"}, + 17: {method: "DELETE", serverStatus: 303, wantMethod: "GET"}, + 18: {method: "DELETE", serverStatus: 307, wantMethod: "DELETE"}, + 19: {method: "DELETE", serverStatus: 308, wantMethod: "DELETE"}, + + 20: {method: "PUT", serverStatus: 301, wantMethod: "GET"}, + 21: {method: "PUT", serverStatus: 302, wantMethod: "GET"}, + 22: {method: "PUT", serverStatus: 303, wantMethod: "GET"}, + 23: {method: "PUT", serverStatus: 307, wantMethod: "PUT"}, + 24: {method: "PUT", serverStatus: 308, wantMethod: "PUT"}, + + 25: {method: "MADEUPMETHOD", serverStatus: 301, wantMethod: "GET"}, + 26: {method: "MADEUPMETHOD", serverStatus: 302, wantMethod: "GET"}, + 27: {method: "MADEUPMETHOD", serverStatus: 303, wantMethod: "GET"}, + 28: {method: "MADEUPMETHOD", serverStatus: 307, wantMethod: "MADEUPMETHOD"}, + 29: {method: "MADEUPMETHOD", serverStatus: 308, wantMethod: "MADEUPMETHOD"}, + } + + handlerc := make(chan HandlerFunc, 1) + + ts := httptest.NewServer(HandlerFunc(func(rw ResponseWriter, req *Request) { + h := <-handlerc + h(rw, req) + })) + defer ts.Close() + + tr := &Transport{} + defer tr.CloseIdleConnections() + + for i, tt := range tests { + handlerc <- func(w ResponseWriter, r *Request) { + w.Header().Set("Location", ts.URL) + w.WriteHeader(tt.serverStatus) + } + + req, err := NewRequest(tt.method, ts.URL, nil) + if err != nil { + t.Errorf("#%d: NewRequest: %v", i, err) + continue + } + + c := &Client{Transport: tr} + c.CheckRedirect = func(req *Request, via []*Request) error { + if got, want := req.Method, tt.wantMethod; got != want { + return fmt.Errorf("#%d: got next method %q; want %q", i, got, want) + } + handlerc <- func(rw ResponseWriter, req *Request) { + // TODO: Check that the body is valid when we do 307 and 308 support + } + return nil + } + + res, err := c.Do(req) + if err != nil { + t.Errorf("#%d: Response: %v", i, err) + continue + } + + res.Body.Close() + } +} + +// issue18239Body is an io.ReadCloser for TestTransportBodyReadError. +// Its Read returns readErr and increments *readCalls atomically. +// Its Close returns nil and increments *closeCalls atomically. +type issue18239Body struct { + readCalls *int32 + closeCalls *int32 + readErr error +} + +func (b issue18239Body) Read([]byte) (int, error) { + atomic.AddInt32(b.readCalls, 1) + return 0, b.readErr +} + +func (b issue18239Body) Close() error { + atomic.AddInt32(b.closeCalls, 1) + return nil +} + +// Issue 18239: make sure the Transport doesn't retry requests with bodies. +// (Especially if Request.GetBody is not defined.) +func TestTransportBodyReadError(t *testing.T) { + setParallel(t) + defer afterTest(t) + ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { + if r.URL.Path == "/ping" { + return + } + buf := make([]byte, 1) + n, err := r.Body.Read(buf) + w.Header().Set("X-Body-Read", fmt.Sprintf("%v, %v", n, err)) + })) + defer ts.Close() + tr := &Transport{} + defer tr.CloseIdleConnections() + c := &Client{Transport: tr} + + // Do one initial successful request to create an idle TCP connection + // for the subsequent request to reuse. (The Transport only retries + // requests on reused connections.) + res, err := c.Get(ts.URL + "/ping") + if err != nil { + t.Fatal(err) + } + res.Body.Close() + + var readCallsAtomic int32 + var closeCallsAtomic int32 // atomic + someErr := errors.New("some body read error") + body := issue18239Body{&readCallsAtomic, &closeCallsAtomic, someErr} + + req, err := NewRequest("POST", ts.URL, body) + if err != nil { + t.Fatal(err) + } + _, err = tr.RoundTrip(req) + if err != someErr { + t.Errorf("Got error: %v; want Request.Body read error: %v", err, someErr) + } + + // And verify that our Body wasn't used multiple times, which + // would indicate retries. (as it buggily was during part of + // Go 1.8's dev cycle) + readCalls := atomic.LoadInt32(&readCallsAtomic) + closeCalls := atomic.LoadInt32(&closeCallsAtomic) + if readCalls != 1 { + t.Errorf("read calls = %d; want 1", readCalls) + } + if closeCalls != 1 { + t.Errorf("close calls = %d; want 1", closeCalls) + } +} |