mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-03 10:49:58 +00:00
929 lines
22 KiB
Go
929 lines
22 KiB
Go
// Copyright 2010 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package http
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"compress/gzip"
|
|
"crypto/rand"
|
|
"fmt"
|
|
"go/ast"
|
|
"io"
|
|
"io/ioutil"
|
|
"net/http/internal"
|
|
"net/url"
|
|
"reflect"
|
|
"regexp"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
type respTest struct {
|
|
Raw string
|
|
Resp Response
|
|
Body string
|
|
}
|
|
|
|
func dummyReq(method string) *Request {
|
|
return &Request{Method: method}
|
|
}
|
|
|
|
func dummyReq11(method string) *Request {
|
|
return &Request{Method: method, Proto: "HTTP/1.1", ProtoMajor: 1, ProtoMinor: 1}
|
|
}
|
|
|
|
var respTests = []respTest{
|
|
// Unchunked response without Content-Length.
|
|
{
|
|
"HTTP/1.0 200 OK\r\n" +
|
|
"Connection: close\r\n" +
|
|
"\r\n" +
|
|
"Body here\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.0",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 0,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{
|
|
"Connection": {"close"}, // TODO(rsc): Delete?
|
|
},
|
|
Close: true,
|
|
ContentLength: -1,
|
|
},
|
|
|
|
"Body here\n",
|
|
},
|
|
|
|
// Unchunked HTTP/1.1 response without Content-Length or
|
|
// Connection headers.
|
|
{
|
|
"HTTP/1.1 200 OK\r\n" +
|
|
"\r\n" +
|
|
"Body here\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Header: Header{},
|
|
Request: dummyReq("GET"),
|
|
Close: true,
|
|
ContentLength: -1,
|
|
},
|
|
|
|
"Body here\n",
|
|
},
|
|
|
|
// Unchunked HTTP/1.1 204 response without Content-Length.
|
|
{
|
|
"HTTP/1.1 204 No Content\r\n" +
|
|
"\r\n" +
|
|
"Body should not be read!\n",
|
|
|
|
Response{
|
|
Status: "204 No Content",
|
|
StatusCode: 204,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Header: Header{},
|
|
Request: dummyReq("GET"),
|
|
Close: false,
|
|
ContentLength: 0,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// Unchunked response with Content-Length.
|
|
{
|
|
"HTTP/1.0 200 OK\r\n" +
|
|
"Content-Length: 10\r\n" +
|
|
"Connection: close\r\n" +
|
|
"\r\n" +
|
|
"Body here\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.0",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 0,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{
|
|
"Connection": {"close"},
|
|
"Content-Length": {"10"},
|
|
},
|
|
Close: true,
|
|
ContentLength: 10,
|
|
},
|
|
|
|
"Body here\n",
|
|
},
|
|
|
|
// Chunked response without Content-Length.
|
|
{
|
|
"HTTP/1.1 200 OK\r\n" +
|
|
"Transfer-Encoding: chunked\r\n" +
|
|
"\r\n" +
|
|
"0a\r\n" +
|
|
"Body here\n\r\n" +
|
|
"09\r\n" +
|
|
"continued\r\n" +
|
|
"0\r\n" +
|
|
"\r\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{},
|
|
Close: false,
|
|
ContentLength: -1,
|
|
TransferEncoding: []string{"chunked"},
|
|
},
|
|
|
|
"Body here\ncontinued",
|
|
},
|
|
|
|
// Chunked response with Content-Length.
|
|
{
|
|
"HTTP/1.1 200 OK\r\n" +
|
|
"Transfer-Encoding: chunked\r\n" +
|
|
"Content-Length: 10\r\n" +
|
|
"\r\n" +
|
|
"0a\r\n" +
|
|
"Body here\n\r\n" +
|
|
"0\r\n" +
|
|
"\r\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{},
|
|
Close: false,
|
|
ContentLength: -1,
|
|
TransferEncoding: []string{"chunked"},
|
|
},
|
|
|
|
"Body here\n",
|
|
},
|
|
|
|
// Chunked response in response to a HEAD request
|
|
{
|
|
"HTTP/1.1 200 OK\r\n" +
|
|
"Transfer-Encoding: chunked\r\n" +
|
|
"\r\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("HEAD"),
|
|
Header: Header{},
|
|
TransferEncoding: []string{"chunked"},
|
|
Close: false,
|
|
ContentLength: -1,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// Content-Length in response to a HEAD request
|
|
{
|
|
"HTTP/1.0 200 OK\r\n" +
|
|
"Content-Length: 256\r\n" +
|
|
"\r\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.0",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 0,
|
|
Request: dummyReq("HEAD"),
|
|
Header: Header{"Content-Length": {"256"}},
|
|
TransferEncoding: nil,
|
|
Close: true,
|
|
ContentLength: 256,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// Content-Length in response to a HEAD request with HTTP/1.1
|
|
{
|
|
"HTTP/1.1 200 OK\r\n" +
|
|
"Content-Length: 256\r\n" +
|
|
"\r\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("HEAD"),
|
|
Header: Header{"Content-Length": {"256"}},
|
|
TransferEncoding: nil,
|
|
Close: false,
|
|
ContentLength: 256,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// No Content-Length or Chunked in response to a HEAD request
|
|
{
|
|
"HTTP/1.0 200 OK\r\n" +
|
|
"\r\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.0",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 0,
|
|
Request: dummyReq("HEAD"),
|
|
Header: Header{},
|
|
TransferEncoding: nil,
|
|
Close: true,
|
|
ContentLength: -1,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// explicit Content-Length of 0.
|
|
{
|
|
"HTTP/1.1 200 OK\r\n" +
|
|
"Content-Length: 0\r\n" +
|
|
"\r\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{
|
|
"Content-Length": {"0"},
|
|
},
|
|
Close: false,
|
|
ContentLength: 0,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// Status line without a Reason-Phrase, but trailing space.
|
|
// (permitted by RFC 2616)
|
|
{
|
|
"HTTP/1.0 303 \r\n\r\n",
|
|
Response{
|
|
Status: "303 ",
|
|
StatusCode: 303,
|
|
Proto: "HTTP/1.0",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 0,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{},
|
|
Close: true,
|
|
ContentLength: -1,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// Status line without a Reason-Phrase, and no trailing space.
|
|
// (not permitted by RFC 2616, but we'll accept it anyway)
|
|
{
|
|
"HTTP/1.0 303\r\n\r\n",
|
|
Response{
|
|
Status: "303 ",
|
|
StatusCode: 303,
|
|
Proto: "HTTP/1.0",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 0,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{},
|
|
Close: true,
|
|
ContentLength: -1,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// golang.org/issue/4767: don't special-case multipart/byteranges responses
|
|
{
|
|
`HTTP/1.1 206 Partial Content
|
|
Connection: close
|
|
Content-Type: multipart/byteranges; boundary=18a75608c8f47cef
|
|
|
|
some body`,
|
|
Response{
|
|
Status: "206 Partial Content",
|
|
StatusCode: 206,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{
|
|
"Content-Type": []string{"multipart/byteranges; boundary=18a75608c8f47cef"},
|
|
},
|
|
Close: true,
|
|
ContentLength: -1,
|
|
},
|
|
|
|
"some body",
|
|
},
|
|
|
|
// Unchunked response without Content-Length, Request is nil
|
|
{
|
|
"HTTP/1.0 200 OK\r\n" +
|
|
"Connection: close\r\n" +
|
|
"\r\n" +
|
|
"Body here\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.0",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 0,
|
|
Header: Header{
|
|
"Connection": {"close"}, // TODO(rsc): Delete?
|
|
},
|
|
Close: true,
|
|
ContentLength: -1,
|
|
},
|
|
|
|
"Body here\n",
|
|
},
|
|
|
|
// 206 Partial Content. golang.org/issue/8923
|
|
{
|
|
"HTTP/1.1 206 Partial Content\r\n" +
|
|
"Content-Type: text/plain; charset=utf-8\r\n" +
|
|
"Accept-Ranges: bytes\r\n" +
|
|
"Content-Range: bytes 0-5/1862\r\n" +
|
|
"Content-Length: 6\r\n\r\n" +
|
|
"foobar",
|
|
|
|
Response{
|
|
Status: "206 Partial Content",
|
|
StatusCode: 206,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{
|
|
"Accept-Ranges": []string{"bytes"},
|
|
"Content-Length": []string{"6"},
|
|
"Content-Type": []string{"text/plain; charset=utf-8"},
|
|
"Content-Range": []string{"bytes 0-5/1862"},
|
|
},
|
|
ContentLength: 6,
|
|
},
|
|
|
|
"foobar",
|
|
},
|
|
|
|
// Both keep-alive and close, on the same Connection line. (Issue 8840)
|
|
{
|
|
"HTTP/1.1 200 OK\r\n" +
|
|
"Content-Length: 256\r\n" +
|
|
"Connection: keep-alive, close\r\n" +
|
|
"\r\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("HEAD"),
|
|
Header: Header{
|
|
"Content-Length": {"256"},
|
|
},
|
|
TransferEncoding: nil,
|
|
Close: true,
|
|
ContentLength: 256,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// Both keep-alive and close, on different Connection lines. (Issue 8840)
|
|
{
|
|
"HTTP/1.1 200 OK\r\n" +
|
|
"Content-Length: 256\r\n" +
|
|
"Connection: keep-alive\r\n" +
|
|
"Connection: close\r\n" +
|
|
"\r\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("HEAD"),
|
|
Header: Header{
|
|
"Content-Length": {"256"},
|
|
},
|
|
TransferEncoding: nil,
|
|
Close: true,
|
|
ContentLength: 256,
|
|
},
|
|
|
|
"",
|
|
},
|
|
|
|
// Issue 12785: HTTP/1.0 response with bogus (to be ignored) Transfer-Encoding.
|
|
// Without a Content-Length.
|
|
{
|
|
"HTTP/1.0 200 OK\r\n" +
|
|
"Transfer-Encoding: bogus\r\n" +
|
|
"\r\n" +
|
|
"Body here\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.0",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 0,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{},
|
|
Close: true,
|
|
ContentLength: -1,
|
|
},
|
|
|
|
"Body here\n",
|
|
},
|
|
|
|
// Issue 12785: HTTP/1.0 response with bogus (to be ignored) Transfer-Encoding.
|
|
// With a Content-Length.
|
|
{
|
|
"HTTP/1.0 200 OK\r\n" +
|
|
"Transfer-Encoding: bogus\r\n" +
|
|
"Content-Length: 10\r\n" +
|
|
"\r\n" +
|
|
"Body here\n",
|
|
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.0",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 0,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{
|
|
"Content-Length": {"10"},
|
|
},
|
|
Close: true,
|
|
ContentLength: 10,
|
|
},
|
|
|
|
"Body here\n",
|
|
},
|
|
|
|
{
|
|
"HTTP/1.1 200 OK\r\n" +
|
|
"Content-Encoding: gzip\r\n" +
|
|
"Content-Length: 23\r\n" +
|
|
"Connection: keep-alive\r\n" +
|
|
"Keep-Alive: timeout=7200\r\n\r\n" +
|
|
"\x1f\x8b\b\x00\x00\x00\x00\x00\x00\x00s\xf3\xf7\a\x00\xab'\xd4\x1a\x03\x00\x00\x00",
|
|
Response{
|
|
Status: "200 OK",
|
|
StatusCode: 200,
|
|
Proto: "HTTP/1.1",
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
Request: dummyReq("GET"),
|
|
Header: Header{
|
|
"Content-Length": {"23"},
|
|
"Content-Encoding": {"gzip"},
|
|
"Connection": {"keep-alive"},
|
|
"Keep-Alive": {"timeout=7200"},
|
|
},
|
|
Close: false,
|
|
ContentLength: 23,
|
|
},
|
|
"\x1f\x8b\b\x00\x00\x00\x00\x00\x00\x00s\xf3\xf7\a\x00\xab'\xd4\x1a\x03\x00\x00\x00",
|
|
},
|
|
}
|
|
|
|
// tests successful calls to ReadResponse, and inspects the returned Response.
|
|
// For error cases, see TestReadResponseErrors below.
|
|
func TestReadResponse(t *testing.T) {
|
|
for i, tt := range respTests {
|
|
resp, err := ReadResponse(bufio.NewReader(strings.NewReader(tt.Raw)), tt.Resp.Request)
|
|
if err != nil {
|
|
t.Errorf("#%d: %v", i, err)
|
|
continue
|
|
}
|
|
rbody := resp.Body
|
|
resp.Body = nil
|
|
diff(t, fmt.Sprintf("#%d Response", i), resp, &tt.Resp)
|
|
var bout bytes.Buffer
|
|
if rbody != nil {
|
|
_, err = io.Copy(&bout, rbody)
|
|
if err != nil {
|
|
t.Errorf("#%d: %v", i, err)
|
|
continue
|
|
}
|
|
rbody.Close()
|
|
}
|
|
body := bout.String()
|
|
if body != tt.Body {
|
|
t.Errorf("#%d: Body = %q want %q", i, body, tt.Body)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWriteResponse(t *testing.T) {
|
|
for i, tt := range respTests {
|
|
resp, err := ReadResponse(bufio.NewReader(strings.NewReader(tt.Raw)), tt.Resp.Request)
|
|
if err != nil {
|
|
t.Errorf("#%d: %v", i, err)
|
|
continue
|
|
}
|
|
err = resp.Write(ioutil.Discard)
|
|
if err != nil {
|
|
t.Errorf("#%d: %v", i, err)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
var readResponseCloseInMiddleTests = []struct {
|
|
chunked, compressed bool
|
|
}{
|
|
{false, false},
|
|
{true, false},
|
|
{true, true},
|
|
}
|
|
|
|
// TestReadResponseCloseInMiddle tests that closing a body after
|
|
// reading only part of its contents advances the read to the end of
|
|
// the request, right up until the next request.
|
|
func TestReadResponseCloseInMiddle(t *testing.T) {
|
|
t.Parallel()
|
|
for _, test := range readResponseCloseInMiddleTests {
|
|
fatalf := func(format string, args ...interface{}) {
|
|
args = append([]interface{}{test.chunked, test.compressed}, args...)
|
|
t.Fatalf("on test chunked=%v, compressed=%v: "+format, args...)
|
|
}
|
|
checkErr := func(err error, msg string) {
|
|
if err == nil {
|
|
return
|
|
}
|
|
fatalf(msg+": %v", err)
|
|
}
|
|
var buf bytes.Buffer
|
|
buf.WriteString("HTTP/1.1 200 OK\r\n")
|
|
if test.chunked {
|
|
buf.WriteString("Transfer-Encoding: chunked\r\n")
|
|
} else {
|
|
buf.WriteString("Content-Length: 1000000\r\n")
|
|
}
|
|
var wr io.Writer = &buf
|
|
if test.chunked {
|
|
wr = internal.NewChunkedWriter(wr)
|
|
}
|
|
if test.compressed {
|
|
buf.WriteString("Content-Encoding: gzip\r\n")
|
|
wr = gzip.NewWriter(wr)
|
|
}
|
|
buf.WriteString("\r\n")
|
|
|
|
chunk := bytes.Repeat([]byte{'x'}, 1000)
|
|
for i := 0; i < 1000; i++ {
|
|
if test.compressed {
|
|
// Otherwise this compresses too well.
|
|
_, err := io.ReadFull(rand.Reader, chunk)
|
|
checkErr(err, "rand.Reader ReadFull")
|
|
}
|
|
wr.Write(chunk)
|
|
}
|
|
if test.compressed {
|
|
err := wr.(*gzip.Writer).Close()
|
|
checkErr(err, "compressor close")
|
|
}
|
|
if test.chunked {
|
|
buf.WriteString("0\r\n\r\n")
|
|
}
|
|
buf.WriteString("Next Request Here")
|
|
|
|
bufr := bufio.NewReader(&buf)
|
|
resp, err := ReadResponse(bufr, dummyReq("GET"))
|
|
checkErr(err, "ReadResponse")
|
|
expectedLength := int64(-1)
|
|
if !test.chunked {
|
|
expectedLength = 1000000
|
|
}
|
|
if resp.ContentLength != expectedLength {
|
|
fatalf("expected response length %d, got %d", expectedLength, resp.ContentLength)
|
|
}
|
|
if resp.Body == nil {
|
|
fatalf("nil body")
|
|
}
|
|
if test.compressed {
|
|
gzReader, err := gzip.NewReader(resp.Body)
|
|
checkErr(err, "gzip.NewReader")
|
|
resp.Body = &readerAndCloser{gzReader, resp.Body}
|
|
}
|
|
|
|
rbuf := make([]byte, 2500)
|
|
n, err := io.ReadFull(resp.Body, rbuf)
|
|
checkErr(err, "2500 byte ReadFull")
|
|
if n != 2500 {
|
|
fatalf("ReadFull only read %d bytes", n)
|
|
}
|
|
if test.compressed == false && !bytes.Equal(bytes.Repeat([]byte{'x'}, 2500), rbuf) {
|
|
fatalf("ReadFull didn't read 2500 'x'; got %q", string(rbuf))
|
|
}
|
|
resp.Body.Close()
|
|
|
|
rest, err := ioutil.ReadAll(bufr)
|
|
checkErr(err, "ReadAll on remainder")
|
|
if e, g := "Next Request Here", string(rest); e != g {
|
|
g = regexp.MustCompile(`(xx+)`).ReplaceAllStringFunc(g, func(match string) string {
|
|
return fmt.Sprintf("x(repeated x%d)", len(match))
|
|
})
|
|
fatalf("remainder = %q, expected %q", g, e)
|
|
}
|
|
}
|
|
}
|
|
|
|
func diff(t *testing.T, prefix string, have, want interface{}) {
|
|
hv := reflect.ValueOf(have).Elem()
|
|
wv := reflect.ValueOf(want).Elem()
|
|
if hv.Type() != wv.Type() {
|
|
t.Errorf("%s: type mismatch %v want %v", prefix, hv.Type(), wv.Type())
|
|
}
|
|
for i := 0; i < hv.NumField(); i++ {
|
|
name := hv.Type().Field(i).Name
|
|
if !ast.IsExported(name) {
|
|
continue
|
|
}
|
|
hf := hv.Field(i).Interface()
|
|
wf := wv.Field(i).Interface()
|
|
if !reflect.DeepEqual(hf, wf) {
|
|
t.Errorf("%s: %s = %v want %v", prefix, name, hf, wf)
|
|
}
|
|
}
|
|
}
|
|
|
|
type responseLocationTest struct {
|
|
location string // Response's Location header or ""
|
|
requrl string // Response.Request.URL or ""
|
|
want string
|
|
wantErr error
|
|
}
|
|
|
|
var responseLocationTests = []responseLocationTest{
|
|
{"/foo", "http://bar.com/baz", "http://bar.com/foo", nil},
|
|
{"http://foo.com/", "http://bar.com/baz", "http://foo.com/", nil},
|
|
{"", "http://bar.com/baz", "", ErrNoLocation},
|
|
{"/bar", "", "/bar", nil},
|
|
}
|
|
|
|
func TestLocationResponse(t *testing.T) {
|
|
for i, tt := range responseLocationTests {
|
|
res := new(Response)
|
|
res.Header = make(Header)
|
|
res.Header.Set("Location", tt.location)
|
|
if tt.requrl != "" {
|
|
res.Request = &Request{}
|
|
var err error
|
|
res.Request.URL, err = url.Parse(tt.requrl)
|
|
if err != nil {
|
|
t.Fatalf("bad test URL %q: %v", tt.requrl, err)
|
|
}
|
|
}
|
|
|
|
got, err := res.Location()
|
|
if tt.wantErr != nil {
|
|
if err == nil {
|
|
t.Errorf("%d. err=nil; want %q", i, tt.wantErr)
|
|
continue
|
|
}
|
|
if g, e := err.Error(), tt.wantErr.Error(); g != e {
|
|
t.Errorf("%d. err=%q; want %q", i, g, e)
|
|
continue
|
|
}
|
|
continue
|
|
}
|
|
if err != nil {
|
|
t.Errorf("%d. err=%q", i, err)
|
|
continue
|
|
}
|
|
if g, e := got.String(), tt.want; g != e {
|
|
t.Errorf("%d. Location=%q; want %q", i, g, e)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestResponseStatusStutter(t *testing.T) {
|
|
r := &Response{
|
|
Status: "123 some status",
|
|
StatusCode: 123,
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 3,
|
|
}
|
|
var buf bytes.Buffer
|
|
r.Write(&buf)
|
|
if strings.Contains(buf.String(), "123 123") {
|
|
t.Errorf("stutter in status: %s", buf.String())
|
|
}
|
|
}
|
|
|
|
func TestResponseContentLengthShortBody(t *testing.T) {
|
|
const shortBody = "Short body, not 123 bytes."
|
|
br := bufio.NewReader(strings.NewReader("HTTP/1.1 200 OK\r\n" +
|
|
"Content-Length: 123\r\n" +
|
|
"\r\n" +
|
|
shortBody))
|
|
res, err := ReadResponse(br, &Request{Method: "GET"})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if res.ContentLength != 123 {
|
|
t.Fatalf("Content-Length = %d; want 123", res.ContentLength)
|
|
}
|
|
var buf bytes.Buffer
|
|
n, err := io.Copy(&buf, res.Body)
|
|
if n != int64(len(shortBody)) {
|
|
t.Errorf("Copied %d bytes; want %d, len(%q)", n, len(shortBody), shortBody)
|
|
}
|
|
if buf.String() != shortBody {
|
|
t.Errorf("Read body %q; want %q", buf.String(), shortBody)
|
|
}
|
|
if err != io.ErrUnexpectedEOF {
|
|
t.Errorf("io.Copy error = %#v; want io.ErrUnexpectedEOF", err)
|
|
}
|
|
}
|
|
|
|
// Test various ReadResponse error cases. (also tests success cases, but mostly
|
|
// it's about errors). This does not test anything involving the bodies. Only
|
|
// the return value from ReadResponse itself.
|
|
func TestReadResponseErrors(t *testing.T) {
|
|
type testCase struct {
|
|
name string // optional, defaults to in
|
|
in string
|
|
header Header
|
|
wantErr interface{} // nil, err value, or string substring
|
|
}
|
|
|
|
status := func(s string, wantErr interface{}) testCase {
|
|
if wantErr == true {
|
|
wantErr = "malformed HTTP status code"
|
|
}
|
|
return testCase{
|
|
name: fmt.Sprintf("status %q", s),
|
|
in: "HTTP/1.1 " + s + "\r\nFoo: bar\r\n\r\n",
|
|
wantErr: wantErr,
|
|
}
|
|
}
|
|
|
|
version := func(s string, wantErr interface{}) testCase {
|
|
if wantErr == true {
|
|
wantErr = "malformed HTTP version"
|
|
}
|
|
return testCase{
|
|
name: fmt.Sprintf("version %q", s),
|
|
in: s + " 200 OK\r\n\r\n",
|
|
wantErr: wantErr,
|
|
}
|
|
}
|
|
|
|
contentLength := func(status, body string, wantErr interface{}, header Header) testCase {
|
|
return testCase{
|
|
name: fmt.Sprintf("status %q %q", status, body),
|
|
in: fmt.Sprintf("HTTP/1.1 %s\r\n%s", status, body),
|
|
wantErr: wantErr,
|
|
header: header,
|
|
}
|
|
}
|
|
|
|
errMultiCL := "message cannot contain multiple Content-Length headers"
|
|
|
|
tests := []testCase{
|
|
{"", "", nil, io.ErrUnexpectedEOF},
|
|
{"", "HTTP/1.1 301 Moved Permanently\r\nFoo: bar", nil, io.ErrUnexpectedEOF},
|
|
{"", "HTTP/1.1", nil, "malformed HTTP response"},
|
|
{"", "HTTP/2.0", nil, "malformed HTTP response"},
|
|
status("20X Unknown", true),
|
|
status("abcd Unknown", true),
|
|
status("二百/两百 OK", true),
|
|
status(" Unknown", true),
|
|
status("c8 OK", true),
|
|
status("0x12d Moved Permanently", true),
|
|
status("200 OK", nil),
|
|
status("000 OK", nil),
|
|
status("001 OK", nil),
|
|
status("404 NOTFOUND", nil),
|
|
status("20 OK", true),
|
|
status("00 OK", true),
|
|
status("-10 OK", true),
|
|
status("1000 OK", true),
|
|
status("999 Done", nil),
|
|
status("-1 OK", true),
|
|
status("-200 OK", true),
|
|
version("HTTP/1.2", nil),
|
|
version("HTTP/2.0", nil),
|
|
version("HTTP/1.100000000002", true),
|
|
version("HTTP/1.-1", true),
|
|
version("HTTP/A.B", true),
|
|
version("HTTP/1", true),
|
|
version("http/1.1", true),
|
|
|
|
contentLength("200 OK", "Content-Length: 10\r\nContent-Length: 7\r\n\r\nGopher hey\r\n", errMultiCL, nil),
|
|
contentLength("200 OK", "Content-Length: 7\r\nContent-Length: 7\r\n\r\nGophers\r\n", nil, Header{"Content-Length": {"7"}}),
|
|
contentLength("201 OK", "Content-Length: 0\r\nContent-Length: 7\r\n\r\nGophers\r\n", errMultiCL, nil),
|
|
contentLength("300 OK", "Content-Length: 0\r\nContent-Length: 0 \r\n\r\nGophers\r\n", nil, Header{"Content-Length": {"0"}}),
|
|
contentLength("200 OK", "Content-Length:\r\nContent-Length:\r\n\r\nGophers\r\n", nil, nil),
|
|
contentLength("206 OK", "Content-Length:\r\nContent-Length: 0 \r\nConnection: close\r\n\r\nGophers\r\n", errMultiCL, nil),
|
|
|
|
// multiple content-length headers for 204 and 304 should still be checked
|
|
contentLength("204 OK", "Content-Length: 7\r\nContent-Length: 8\r\n\r\n", errMultiCL, nil),
|
|
contentLength("204 OK", "Content-Length: 3\r\nContent-Length: 3\r\n\r\n", nil, nil),
|
|
contentLength("304 OK", "Content-Length: 880\r\nContent-Length: 1\r\n\r\n", errMultiCL, nil),
|
|
contentLength("304 OK", "Content-Length: 961\r\nContent-Length: 961\r\n\r\n", nil, nil),
|
|
}
|
|
|
|
for i, tt := range tests {
|
|
br := bufio.NewReader(strings.NewReader(tt.in))
|
|
_, rerr := ReadResponse(br, nil)
|
|
if err := matchErr(rerr, tt.wantErr); err != nil {
|
|
name := tt.name
|
|
if name == "" {
|
|
name = fmt.Sprintf("%d. input %q", i, tt.in)
|
|
}
|
|
t.Errorf("%s: %v", name, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// wantErr can be nil, an error value to match exactly, or type string to
|
|
// match a substring.
|
|
func matchErr(err error, wantErr interface{}) error {
|
|
if err == nil {
|
|
if wantErr == nil {
|
|
return nil
|
|
}
|
|
if sub, ok := wantErr.(string); ok {
|
|
return fmt.Errorf("unexpected success; want error with substring %q", sub)
|
|
}
|
|
return fmt.Errorf("unexpected success; want error %v", wantErr)
|
|
}
|
|
if wantErr == nil {
|
|
return fmt.Errorf("%v; want success", err)
|
|
}
|
|
if sub, ok := wantErr.(string); ok {
|
|
if strings.Contains(err.Error(), sub) {
|
|
return nil
|
|
}
|
|
return fmt.Errorf("error = %v; want an error with substring %q", err, sub)
|
|
}
|
|
if err == wantErr {
|
|
return nil
|
|
}
|
|
return fmt.Errorf("%v; want %v", err, wantErr)
|
|
}
|
|
|
|
func TestNeedsSniff(t *testing.T) {
|
|
// needsSniff returns true with an empty response.
|
|
r := &response{}
|
|
if got, want := r.needsSniff(), true; got != want {
|
|
t.Errorf("needsSniff = %t; want %t", got, want)
|
|
}
|
|
// needsSniff returns false when Content-Type = nil.
|
|
r.handlerHeader = Header{"Content-Type": nil}
|
|
if got, want := r.needsSniff(), false; got != want {
|
|
t.Errorf("needsSniff empty Content-Type = %t; want %t", got, want)
|
|
}
|
|
}
|