2012-03-27 23:13:14 +00:00
|
|
|
// Copyright 2011 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.
|
|
|
|
|
|
|
|
// Tests a Go CGI program running under a Go CGI host process.
|
|
|
|
// Further, the two programs are the same binary, just checking
|
|
|
|
// their environment to figure out what mode to run in.
|
|
|
|
|
|
|
|
package cgi
|
|
|
|
|
|
|
|
import (
|
2015-08-28 15:33:40 +00:00
|
|
|
"bytes"
|
|
|
|
"errors"
|
2012-03-27 23:13:14 +00:00
|
|
|
"fmt"
|
2017-04-10 11:32:00 +00:00
|
|
|
"internal/testenv"
|
2015-08-28 15:33:40 +00:00
|
|
|
"io"
|
2012-03-27 23:13:14 +00:00
|
|
|
"net/http"
|
2015-08-28 15:33:40 +00:00
|
|
|
"net/http/httptest"
|
2022-10-27 18:55:19 +00:00
|
|
|
"net/url"
|
2012-03-27 23:13:14 +00:00
|
|
|
"os"
|
2022-10-27 18:55:19 +00:00
|
|
|
"strings"
|
2012-03-27 23:13:14 +00:00
|
|
|
"testing"
|
2015-08-28 15:33:40 +00:00
|
|
|
"time"
|
2012-03-27 23:13:14 +00:00
|
|
|
)
|
|
|
|
|
|
|
|
// This test is a CGI host (testing host.go) that runs its own binary
|
|
|
|
// as a child process testing the other half of CGI (child.go).
|
|
|
|
func TestHostingOurselves(t *testing.T) {
|
2017-04-10 11:32:00 +00:00
|
|
|
testenv.MustHaveExec(t)
|
2015-08-28 15:33:40 +00:00
|
|
|
|
2012-03-27 23:13:14 +00:00
|
|
|
h := &Handler{
|
|
|
|
Path: os.Args[0],
|
|
|
|
Root: "/test.go",
|
|
|
|
Args: []string{"-test.run=TestBeChildCGIProcess"},
|
|
|
|
}
|
|
|
|
expectedMap := map[string]string{
|
|
|
|
"test": "Hello CGI-in-CGI",
|
|
|
|
"param-a": "b",
|
|
|
|
"param-foo": "bar",
|
|
|
|
"env-GATEWAY_INTERFACE": "CGI/1.1",
|
|
|
|
"env-HTTP_HOST": "example.com",
|
|
|
|
"env-PATH_INFO": "",
|
|
|
|
"env-QUERY_STRING": "foo=bar&a=b",
|
|
|
|
"env-REMOTE_ADDR": "1.2.3.4",
|
|
|
|
"env-REMOTE_HOST": "1.2.3.4",
|
2017-04-10 11:32:00 +00:00
|
|
|
"env-REMOTE_PORT": "1234",
|
2012-03-27 23:13:14 +00:00
|
|
|
"env-REQUEST_METHOD": "GET",
|
|
|
|
"env-REQUEST_URI": "/test.go?foo=bar&a=b",
|
|
|
|
"env-SCRIPT_FILENAME": os.Args[0],
|
|
|
|
"env-SCRIPT_NAME": "/test.go",
|
|
|
|
"env-SERVER_NAME": "example.com",
|
|
|
|
"env-SERVER_PORT": "80",
|
|
|
|
"env-SERVER_SOFTWARE": "go",
|
|
|
|
}
|
|
|
|
replay := runCgiTest(t, h, "GET /test.go?foo=bar&a=b HTTP/1.0\nHost: example.com\n\n", expectedMap)
|
|
|
|
|
2022-10-27 18:55:19 +00:00
|
|
|
if expected, got := "text/plain; charset=utf-8", replay.Header().Get("Content-Type"); got != expected {
|
2012-03-27 23:13:14 +00:00
|
|
|
t.Errorf("got a Content-Type of %q; expected %q", got, expected)
|
|
|
|
}
|
|
|
|
if expected, got := "X-Test-Value", replay.Header().Get("X-Test-Header"); got != expected {
|
|
|
|
t.Errorf("got a X-Test-Header of %q; expected %q", got, expected)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-08-28 15:33:40 +00:00
|
|
|
type customWriterRecorder struct {
|
|
|
|
w io.Writer
|
|
|
|
*httptest.ResponseRecorder
|
|
|
|
}
|
|
|
|
|
|
|
|
func (r *customWriterRecorder) Write(p []byte) (n int, err error) {
|
|
|
|
return r.w.Write(p)
|
|
|
|
}
|
|
|
|
|
|
|
|
type limitWriter struct {
|
|
|
|
w io.Writer
|
|
|
|
n int
|
|
|
|
}
|
|
|
|
|
|
|
|
func (w *limitWriter) Write(p []byte) (n int, err error) {
|
|
|
|
if len(p) > w.n {
|
|
|
|
p = p[:w.n]
|
|
|
|
}
|
|
|
|
if len(p) > 0 {
|
|
|
|
n, err = w.w.Write(p)
|
|
|
|
w.n -= n
|
|
|
|
}
|
|
|
|
if w.n == 0 {
|
|
|
|
err = errors.New("past write limit")
|
|
|
|
}
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
// If there's an error copying the child's output to the parent, test
|
|
|
|
// that we kill the child.
|
|
|
|
func TestKillChildAfterCopyError(t *testing.T) {
|
2017-04-10 11:32:00 +00:00
|
|
|
testenv.MustHaveExec(t)
|
2015-08-28 15:33:40 +00:00
|
|
|
|
|
|
|
h := &Handler{
|
|
|
|
Path: os.Args[0],
|
|
|
|
Root: "/test.go",
|
|
|
|
Args: []string{"-test.run=TestBeChildCGIProcess"},
|
|
|
|
}
|
|
|
|
req, _ := http.NewRequest("GET", "http://example.com/test.cgi?write-forever=1", nil)
|
|
|
|
rec := httptest.NewRecorder()
|
|
|
|
var out bytes.Buffer
|
|
|
|
const writeLen = 50 << 10
|
|
|
|
rw := &customWriterRecorder{&limitWriter{&out, writeLen}, rec}
|
|
|
|
|
2022-10-27 18:55:19 +00:00
|
|
|
h.ServeHTTP(rw, req)
|
|
|
|
if out.Len() != writeLen || out.Bytes()[0] != 'a' {
|
|
|
|
t.Errorf("unexpected output: %q", out.Bytes())
|
2015-08-28 15:33:40 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Test that a child handler writing only headers works.
|
|
|
|
// golang.org/issue/7196
|
2012-03-27 23:13:14 +00:00
|
|
|
func TestChildOnlyHeaders(t *testing.T) {
|
2017-04-10 11:32:00 +00:00
|
|
|
testenv.MustHaveExec(t)
|
2015-08-28 15:33:40 +00:00
|
|
|
|
2012-03-27 23:13:14 +00:00
|
|
|
h := &Handler{
|
|
|
|
Path: os.Args[0],
|
|
|
|
Root: "/test.go",
|
|
|
|
Args: []string{"-test.run=TestBeChildCGIProcess"},
|
|
|
|
}
|
|
|
|
expectedMap := map[string]string{
|
|
|
|
"_body": "",
|
|
|
|
}
|
|
|
|
replay := runCgiTest(t, h, "GET /test.go?no-body=1 HTTP/1.0\nHost: example.com\n\n", expectedMap)
|
|
|
|
if expected, got := "X-Test-Value", replay.Header().Get("X-Test-Header"); got != expected {
|
|
|
|
t.Errorf("got a X-Test-Header of %q; expected %q", got, expected)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-10-27 18:55:19 +00:00
|
|
|
// Test that a child handler does not receive a nil Request Body.
|
|
|
|
// golang.org/issue/39190
|
|
|
|
func TestNilRequestBody(t *testing.T) {
|
|
|
|
testenv.MustHaveExec(t)
|
|
|
|
|
|
|
|
h := &Handler{
|
|
|
|
Path: os.Args[0],
|
|
|
|
Root: "/test.go",
|
|
|
|
Args: []string{"-test.run=TestBeChildCGIProcess"},
|
|
|
|
}
|
|
|
|
expectedMap := map[string]string{
|
|
|
|
"nil-request-body": "false",
|
|
|
|
}
|
|
|
|
_ = runCgiTest(t, h, "POST /test.go?nil-request-body=1 HTTP/1.0\nHost: example.com\n\n", expectedMap)
|
|
|
|
_ = runCgiTest(t, h, "POST /test.go?nil-request-body=1 HTTP/1.0\nHost: example.com\nContent-Length: 0\n\n", expectedMap)
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestChildContentType(t *testing.T) {
|
|
|
|
testenv.MustHaveExec(t)
|
|
|
|
|
|
|
|
h := &Handler{
|
|
|
|
Path: os.Args[0],
|
|
|
|
Root: "/test.go",
|
|
|
|
Args: []string{"-test.run=TestBeChildCGIProcess"},
|
|
|
|
}
|
|
|
|
var tests = []struct {
|
|
|
|
name string
|
|
|
|
body string
|
|
|
|
wantCT string
|
|
|
|
}{
|
|
|
|
{
|
|
|
|
name: "no body",
|
|
|
|
wantCT: "text/plain; charset=utf-8",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
name: "html",
|
|
|
|
body: "<html><head><title>test page</title></head><body>This is a body</body></html>",
|
|
|
|
wantCT: "text/html; charset=utf-8",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
name: "text",
|
|
|
|
body: strings.Repeat("gopher", 86),
|
|
|
|
wantCT: "text/plain; charset=utf-8",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
name: "jpg",
|
|
|
|
body: "\xFF\xD8\xFF" + strings.Repeat("B", 1024),
|
|
|
|
wantCT: "image/jpeg",
|
|
|
|
},
|
|
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
|
|
expectedMap := map[string]string{"_body": tt.body}
|
|
|
|
req := fmt.Sprintf("GET /test.go?exact-body=%s HTTP/1.0\nHost: example.com\n\n", url.QueryEscape(tt.body))
|
|
|
|
replay := runCgiTest(t, h, req, expectedMap)
|
|
|
|
if got := replay.Header().Get("Content-Type"); got != tt.wantCT {
|
|
|
|
t.Errorf("got a Content-Type of %q; expected it to start with %q", got, tt.wantCT)
|
|
|
|
}
|
|
|
|
})
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-08-28 15:33:40 +00:00
|
|
|
// golang.org/issue/7198
|
|
|
|
func Test500WithNoHeaders(t *testing.T) { want500Test(t, "/immediate-disconnect") }
|
|
|
|
func Test500WithNoContentType(t *testing.T) { want500Test(t, "/no-content-type") }
|
|
|
|
func Test500WithEmptyHeaders(t *testing.T) { want500Test(t, "/empty-headers") }
|
|
|
|
|
|
|
|
func want500Test(t *testing.T, path string) {
|
|
|
|
h := &Handler{
|
|
|
|
Path: os.Args[0],
|
|
|
|
Root: "/test.go",
|
|
|
|
Args: []string{"-test.run=TestBeChildCGIProcess"},
|
|
|
|
}
|
|
|
|
expectedMap := map[string]string{
|
|
|
|
"_body": "",
|
|
|
|
}
|
|
|
|
replay := runCgiTest(t, h, "GET "+path+" HTTP/1.0\nHost: example.com\n\n", expectedMap)
|
|
|
|
if replay.Code != 500 {
|
|
|
|
t.Errorf("Got code %d; want 500", replay.Code)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
type neverEnding byte
|
|
|
|
|
|
|
|
func (b neverEnding) Read(p []byte) (n int, err error) {
|
|
|
|
for i := range p {
|
|
|
|
p[i] = byte(b)
|
|
|
|
}
|
|
|
|
return len(p), nil
|
|
|
|
}
|
|
|
|
|
2012-03-27 23:13:14 +00:00
|
|
|
// Note: not actually a test.
|
|
|
|
func TestBeChildCGIProcess(t *testing.T) {
|
|
|
|
if os.Getenv("REQUEST_METHOD") == "" {
|
|
|
|
// Not in a CGI environment; skipping test.
|
|
|
|
return
|
|
|
|
}
|
2015-08-28 15:33:40 +00:00
|
|
|
switch os.Getenv("REQUEST_URI") {
|
|
|
|
case "/immediate-disconnect":
|
|
|
|
os.Exit(0)
|
|
|
|
case "/no-content-type":
|
|
|
|
fmt.Printf("Content-Length: 6\n\nHello\n")
|
|
|
|
os.Exit(0)
|
|
|
|
case "/empty-headers":
|
|
|
|
fmt.Printf("\nHello")
|
|
|
|
os.Exit(0)
|
|
|
|
}
|
2012-03-27 23:13:14 +00:00
|
|
|
Serve(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
|
2022-10-27 18:55:19 +00:00
|
|
|
if req.FormValue("nil-request-body") == "1" {
|
|
|
|
fmt.Fprintf(rw, "nil-request-body=%v\n", req.Body == nil)
|
|
|
|
return
|
|
|
|
}
|
2012-03-27 23:13:14 +00:00
|
|
|
rw.Header().Set("X-Test-Header", "X-Test-Value")
|
|
|
|
req.ParseForm()
|
|
|
|
if req.FormValue("no-body") == "1" {
|
|
|
|
return
|
|
|
|
}
|
2022-10-27 18:55:19 +00:00
|
|
|
if eb, ok := req.Form["exact-body"]; ok {
|
|
|
|
io.WriteString(rw, eb[0])
|
|
|
|
return
|
|
|
|
}
|
2015-08-28 15:33:40 +00:00
|
|
|
if req.FormValue("write-forever") == "1" {
|
|
|
|
io.Copy(rw, neverEnding('a'))
|
|
|
|
for {
|
|
|
|
time.Sleep(5 * time.Second) // hang forever, until killed
|
|
|
|
}
|
|
|
|
}
|
2012-03-27 23:13:14 +00:00
|
|
|
fmt.Fprintf(rw, "test=Hello CGI-in-CGI\n")
|
|
|
|
for k, vv := range req.Form {
|
|
|
|
for _, v := range vv {
|
|
|
|
fmt.Fprintf(rw, "param-%s=%s\n", k, v)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for _, kv := range os.Environ() {
|
|
|
|
fmt.Fprintf(rw, "env-%s\n", kv)
|
|
|
|
}
|
|
|
|
}))
|
|
|
|
os.Exit(0)
|
|
|
|
}
|