diff options
Diffstat (limited to 'caddytest/integration')
| -rw-r--r-- | caddytest/integration/stream_test.go | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/caddytest/integration/stream_test.go b/caddytest/integration/stream_test.go index c0ab32b..b6447c6 100644 --- a/caddytest/integration/stream_test.go +++ b/caddytest/integration/stream_test.go @@ -1,7 +1,9 @@ package integration import ( + "compress/gzip" "context" + "crypto/rand" "fmt" "io" "io/ioutil" @@ -199,3 +201,237 @@ func testH2ToH2CStreamServeH2C(t *testing.T) *http.Server { } return server } + +// (see https://github.com/caddyserver/caddy/issues/3606 for use case) +func TestH2ToH1ChunkedResponse(t *testing.T) { + tester := caddytest.NewTester(t) + tester.InitServer(` +{ + "logging": { + "logs": { + "default": { + "level": "DEBUG" + } + } + }, + "apps": { + "http": { + "http_port": 9080, + "https_port": 9443, + "servers": { + "srv0": { + "listen": [ + ":9443" + ], + "routes": [ + { + "handle": [ + { + "handler": "subroute", + "routes": [ + { + "handle": [ + { + "encodings": { + "gzip": {} + }, + "handler": "encode" + } + ] + }, + { + "handle": [ + { + "handler": "reverse_proxy", + "upstreams": [ + { + "dial": "localhost:54321" + } + ] + } + ], + "match": [ + { + "path": [ + "/tov2ray" + ] + } + ] + } + ] + } + ], + "terminal": true + } + ], + "tls_connection_policies": [ + { + "certificate_selection": { + "any_tag": [ + "cert0" + ] + }, + "default_sni": "a.caddy.localhost" + } + ] + } + } + }, + "tls": { + "certificates": { + "load_files": [ + { + "certificate": "/a.caddy.localhost.crt", + "key": "/a.caddy.localhost.key", + "tags": [ + "cert0" + ] + } + ] + } + }, + "pki": { + "certificate_authorities": { + "local": { + "install_trust": false + } + } + } + } +} + `, "json") + + // need a large body here to trigger caddy's compression, larger than gzip.miniLength + expectedBody, err := GenerateRandomString(1024) + if err != nil { + t.Fatalf("generate expected body failed, err: %s", err) + } + + // start the server + server := testH2ToH1ChunkedResponseServeH1(t) + go server.ListenAndServe() + defer func() { + ctx, cancel := context.WithTimeout(context.Background(), time.Nanosecond) + defer cancel() + server.Shutdown(ctx) + }() + + r, w := io.Pipe() + req := &http.Request{ + Method: "PUT", + Body: ioutil.NopCloser(r), + URL: &url.URL{ + Scheme: "https", + Host: "127.0.0.1:9443", + Path: "/tov2ray", + }, + Proto: "HTTP/2", + ProtoMajor: 2, + ProtoMinor: 0, + Header: make(http.Header), + } + // underlying transport will automaticlly add gzip + // req.Header.Set("Accept-Encoding", "gzip") + go func() { + fmt.Fprint(w, expectedBody) + w.Close() + }() + resp := tester.AssertResponseCode(req, 200) + if 200 != resp.StatusCode { + return + } + + defer resp.Body.Close() + bytes, err := ioutil.ReadAll(resp.Body) + if err != nil { + t.Fatalf("unable to read the response body %s", err) + } + + body := string(bytes) + + if body != expectedBody { + t.Errorf("requesting \"%s\" expected response body \"%s\" but got \"%s\"", req.RequestURI, expectedBody, body) + } + return +} + +func testH2ToH1ChunkedResponseServeH1(t *testing.T) *http.Server { + handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + + if r.Host != "127.0.0.1:9443" { + t.Errorf("r.Host doesn't match, %v!", r.Host) + w.WriteHeader(http.StatusNotFound) + return + } + + if !strings.HasPrefix(r.URL.Path, "/tov2ray") { + w.WriteHeader(http.StatusNotFound) + return + } + + defer r.Body.Close() + bytes, err := ioutil.ReadAll(r.Body) + if err != nil { + t.Fatalf("unable to read the response body %s", err) + } + + n := len(bytes) + + var writer io.Writer + if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") { + gw, err := gzip.NewWriterLevel(w, 5) + if err != nil { + t.Error("can't return gzip data") + w.WriteHeader(http.StatusInternalServerError) + return + } + defer gw.Close() + writer = gw + w.Header().Set("Content-Encoding", "gzip") + w.Header().Del("Content-Length") + w.WriteHeader(200) + } else { + writer = w + } + if n > 0 { + writer.Write(bytes[:]) + } + }) + + server := &http.Server{ + Addr: "127.0.0.1:54321", + Handler: handler, + } + return server +} + +// GenerateRandomBytes returns securely generated random bytes. +// It will return an error if the system's secure random +// number generator fails to function correctly, in which +// case the caller should not continue. +func GenerateRandomBytes(n int) ([]byte, error) { + b := make([]byte, n) + _, err := rand.Read(b) + // Note that err == nil only if we read len(b) bytes. + if err != nil { + return nil, err + } + + return b, nil +} + +// GenerateRandomString returns a securely generated random string. +// It will return an error if the system's secure random +// number generator fails to function correctly, in which +// case the caller should not continue. +func GenerateRandomString(n int) (string, error) { + const letters = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-" + bytes, err := GenerateRandomBytes(n) + if err != nil { + return "", err + } + for i, b := range bytes { + bytes[i] = letters[b%byte(len(letters))] + } + return string(bytes), nil +} |