diff options
Diffstat (limited to 'src/net/http/cgi/host_test.go')
-rw-r--r-- | src/net/http/cgi/host_test.go | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/src/net/http/cgi/host_test.go b/src/net/http/cgi/host_test.go new file mode 100644 index 000000000..8c16e6897 --- /dev/null +++ b/src/net/http/cgi/host_test.go @@ -0,0 +1,461 @@ +// 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 for package cgi + +package cgi + +import ( + "bufio" + "fmt" + "io" + "net" + "net/http" + "net/http/httptest" + "os" + "os/exec" + "path/filepath" + "runtime" + "strconv" + "strings" + "testing" + "time" +) + +func newRequest(httpreq string) *http.Request { + buf := bufio.NewReader(strings.NewReader(httpreq)) + req, err := http.ReadRequest(buf) + if err != nil { + panic("cgi: bogus http request in test: " + httpreq) + } + req.RemoteAddr = "1.2.3.4" + return req +} + +func runCgiTest(t *testing.T, h *Handler, httpreq string, expectedMap map[string]string) *httptest.ResponseRecorder { + rw := httptest.NewRecorder() + req := newRequest(httpreq) + h.ServeHTTP(rw, req) + + // Make a map to hold the test map that the CGI returns. + m := make(map[string]string) + m["_body"] = rw.Body.String() + linesRead := 0 +readlines: + for { + line, err := rw.Body.ReadString('\n') + switch { + case err == io.EOF: + break readlines + case err != nil: + t.Fatalf("unexpected error reading from CGI: %v", err) + } + linesRead++ + trimmedLine := strings.TrimRight(line, "\r\n") + split := strings.SplitN(trimmedLine, "=", 2) + if len(split) != 2 { + t.Fatalf("Unexpected %d parts from invalid line number %v: %q; existing map=%v", + len(split), linesRead, line, m) + } + m[split[0]] = split[1] + } + + for key, expected := range expectedMap { + got := m[key] + if key == "cwd" { + // For Windows. golang.org/issue/4645. + fi1, _ := os.Stat(got) + fi2, _ := os.Stat(expected) + if os.SameFile(fi1, fi2) { + got = expected + } + } + if got != expected { + t.Errorf("for key %q got %q; expected %q", key, got, expected) + } + } + return rw +} + +var cgiTested, cgiWorks bool + +func check(t *testing.T) { + if !cgiTested { + cgiTested = true + cgiWorks = exec.Command("./testdata/test.cgi").Run() == nil + } + if !cgiWorks { + // No Perl on Windows, needed by test.cgi + // TODO: make the child process be Go, not Perl. + t.Skip("Skipping test: test.cgi failed.") + } +} + +func TestCGIBasicGet(t *testing.T) { + check(t) + h := &Handler{ + Path: "testdata/test.cgi", + Root: "/test.cgi", + } + expectedMap := map[string]string{ + "test": "Hello 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", + "env-REQUEST_METHOD": "GET", + "env-REQUEST_URI": "/test.cgi?foo=bar&a=b", + "env-SCRIPT_FILENAME": "testdata/test.cgi", + "env-SCRIPT_NAME": "/test.cgi", + "env-SERVER_NAME": "example.com", + "env-SERVER_PORT": "80", + "env-SERVER_SOFTWARE": "go", + } + replay := runCgiTest(t, h, "GET /test.cgi?foo=bar&a=b HTTP/1.0\nHost: example.com\n\n", expectedMap) + + if expected, got := "text/html", replay.Header().Get("Content-Type"); got != expected { + 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) + } +} + +func TestCGIBasicGetAbsPath(t *testing.T) { + check(t) + pwd, err := os.Getwd() + if err != nil { + t.Fatalf("getwd error: %v", err) + } + h := &Handler{ + Path: pwd + "/testdata/test.cgi", + Root: "/test.cgi", + } + expectedMap := map[string]string{ + "env-REQUEST_URI": "/test.cgi?foo=bar&a=b", + "env-SCRIPT_FILENAME": pwd + "/testdata/test.cgi", + "env-SCRIPT_NAME": "/test.cgi", + } + runCgiTest(t, h, "GET /test.cgi?foo=bar&a=b HTTP/1.0\nHost: example.com\n\n", expectedMap) +} + +func TestPathInfo(t *testing.T) { + check(t) + h := &Handler{ + Path: "testdata/test.cgi", + Root: "/test.cgi", + } + expectedMap := map[string]string{ + "param-a": "b", + "env-PATH_INFO": "/extrapath", + "env-QUERY_STRING": "a=b", + "env-REQUEST_URI": "/test.cgi/extrapath?a=b", + "env-SCRIPT_FILENAME": "testdata/test.cgi", + "env-SCRIPT_NAME": "/test.cgi", + } + runCgiTest(t, h, "GET /test.cgi/extrapath?a=b HTTP/1.0\nHost: example.com\n\n", expectedMap) +} + +func TestPathInfoDirRoot(t *testing.T) { + check(t) + h := &Handler{ + Path: "testdata/test.cgi", + Root: "/myscript/", + } + expectedMap := map[string]string{ + "env-PATH_INFO": "bar", + "env-QUERY_STRING": "a=b", + "env-REQUEST_URI": "/myscript/bar?a=b", + "env-SCRIPT_FILENAME": "testdata/test.cgi", + "env-SCRIPT_NAME": "/myscript/", + } + runCgiTest(t, h, "GET /myscript/bar?a=b HTTP/1.0\nHost: example.com\n\n", expectedMap) +} + +func TestDupHeaders(t *testing.T) { + check(t) + h := &Handler{ + Path: "testdata/test.cgi", + } + expectedMap := map[string]string{ + "env-REQUEST_URI": "/myscript/bar?a=b", + "env-SCRIPT_FILENAME": "testdata/test.cgi", + "env-HTTP_COOKIE": "nom=NOM; yum=YUM", + "env-HTTP_X_FOO": "val1, val2", + } + runCgiTest(t, h, "GET /myscript/bar?a=b HTTP/1.0\n"+ + "Cookie: nom=NOM\n"+ + "Cookie: yum=YUM\n"+ + "X-Foo: val1\n"+ + "X-Foo: val2\n"+ + "Host: example.com\n\n", + expectedMap) +} + +func TestPathInfoNoRoot(t *testing.T) { + check(t) + h := &Handler{ + Path: "testdata/test.cgi", + Root: "", + } + expectedMap := map[string]string{ + "env-PATH_INFO": "/bar", + "env-QUERY_STRING": "a=b", + "env-REQUEST_URI": "/bar?a=b", + "env-SCRIPT_FILENAME": "testdata/test.cgi", + "env-SCRIPT_NAME": "/", + } + runCgiTest(t, h, "GET /bar?a=b HTTP/1.0\nHost: example.com\n\n", expectedMap) +} + +func TestCGIBasicPost(t *testing.T) { + check(t) + postReq := `POST /test.cgi?a=b HTTP/1.0 +Host: example.com +Content-Type: application/x-www-form-urlencoded +Content-Length: 15 + +postfoo=postbar` + h := &Handler{ + Path: "testdata/test.cgi", + Root: "/test.cgi", + } + expectedMap := map[string]string{ + "test": "Hello CGI", + "param-postfoo": "postbar", + "env-REQUEST_METHOD": "POST", + "env-CONTENT_LENGTH": "15", + "env-REQUEST_URI": "/test.cgi?a=b", + } + runCgiTest(t, h, postReq, expectedMap) +} + +func chunk(s string) string { + return fmt.Sprintf("%x\r\n%s\r\n", len(s), s) +} + +// The CGI spec doesn't allow chunked requests. +func TestCGIPostChunked(t *testing.T) { + check(t) + postReq := `POST /test.cgi?a=b HTTP/1.1 +Host: example.com +Content-Type: application/x-www-form-urlencoded +Transfer-Encoding: chunked + +` + chunk("postfoo") + chunk("=") + chunk("postbar") + chunk("") + + h := &Handler{ + Path: "testdata/test.cgi", + Root: "/test.cgi", + } + expectedMap := map[string]string{} + resp := runCgiTest(t, h, postReq, expectedMap) + if got, expected := resp.Code, http.StatusBadRequest; got != expected { + t.Fatalf("Expected %v response code from chunked request body; got %d", + expected, got) + } +} + +func TestRedirect(t *testing.T) { + check(t) + h := &Handler{ + Path: "testdata/test.cgi", + Root: "/test.cgi", + } + rec := runCgiTest(t, h, "GET /test.cgi?loc=http://foo.com/ HTTP/1.0\nHost: example.com\n\n", nil) + if e, g := 302, rec.Code; e != g { + t.Errorf("expected status code %d; got %d", e, g) + } + if e, g := "http://foo.com/", rec.Header().Get("Location"); e != g { + t.Errorf("expected Location header of %q; got %q", e, g) + } +} + +func TestInternalRedirect(t *testing.T) { + check(t) + baseHandler := http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) { + fmt.Fprintf(rw, "basepath=%s\n", req.URL.Path) + fmt.Fprintf(rw, "remoteaddr=%s\n", req.RemoteAddr) + }) + h := &Handler{ + Path: "testdata/test.cgi", + Root: "/test.cgi", + PathLocationHandler: baseHandler, + } + expectedMap := map[string]string{ + "basepath": "/foo", + "remoteaddr": "1.2.3.4", + } + runCgiTest(t, h, "GET /test.cgi?loc=/foo HTTP/1.0\nHost: example.com\n\n", expectedMap) +} + +// TestCopyError tests that we kill the process if there's an error copying +// its output. (for example, from the client having gone away) +func TestCopyError(t *testing.T) { + check(t) + if runtime.GOOS == "windows" { + t.Skipf("skipping test on %q", runtime.GOOS) + } + h := &Handler{ + Path: "testdata/test.cgi", + Root: "/test.cgi", + } + ts := httptest.NewServer(h) + defer ts.Close() + + conn, err := net.Dial("tcp", ts.Listener.Addr().String()) + if err != nil { + t.Fatal(err) + } + req, _ := http.NewRequest("GET", "http://example.com/test.cgi?bigresponse=1", nil) + err = req.Write(conn) + if err != nil { + t.Fatalf("Write: %v", err) + } + + res, err := http.ReadResponse(bufio.NewReader(conn), req) + if err != nil { + t.Fatalf("ReadResponse: %v", err) + } + + pidstr := res.Header.Get("X-CGI-Pid") + if pidstr == "" { + t.Fatalf("expected an X-CGI-Pid header in response") + } + pid, err := strconv.Atoi(pidstr) + if err != nil { + t.Fatalf("invalid X-CGI-Pid value") + } + + var buf [5000]byte + n, err := io.ReadFull(res.Body, buf[:]) + if err != nil { + t.Fatalf("ReadFull: %d bytes, %v", n, err) + } + + childRunning := func() bool { + return isProcessRunning(t, pid) + } + + if !childRunning() { + t.Fatalf("pre-conn.Close, expected child to be running") + } + conn.Close() + + tries := 0 + for tries < 25 && childRunning() { + time.Sleep(50 * time.Millisecond * time.Duration(tries)) + tries++ + } + if childRunning() { + t.Fatalf("post-conn.Close, expected child to be gone") + } +} + +func TestDirUnix(t *testing.T) { + check(t) + if runtime.GOOS == "windows" { + t.Skipf("skipping test on %q", runtime.GOOS) + } + cwd, _ := os.Getwd() + h := &Handler{ + Path: "testdata/test.cgi", + Root: "/test.cgi", + Dir: cwd, + } + expectedMap := map[string]string{ + "cwd": cwd, + } + runCgiTest(t, h, "GET /test.cgi HTTP/1.0\nHost: example.com\n\n", expectedMap) + + cwd, _ = os.Getwd() + cwd = filepath.Join(cwd, "testdata") + h = &Handler{ + Path: "testdata/test.cgi", + Root: "/test.cgi", + } + expectedMap = map[string]string{ + "cwd": cwd, + } + runCgiTest(t, h, "GET /test.cgi HTTP/1.0\nHost: example.com\n\n", expectedMap) +} + +func TestDirWindows(t *testing.T) { + if runtime.GOOS != "windows" { + t.Skip("Skipping windows specific test.") + } + + cgifile, _ := filepath.Abs("testdata/test.cgi") + + var perl string + var err error + perl, err = exec.LookPath("perl") + if err != nil { + t.Skip("Skipping test: perl not found.") + } + perl, _ = filepath.Abs(perl) + + cwd, _ := os.Getwd() + h := &Handler{ + Path: perl, + Root: "/test.cgi", + Dir: cwd, + Args: []string{cgifile}, + Env: []string{"SCRIPT_FILENAME=" + cgifile}, + } + expectedMap := map[string]string{ + "cwd": cwd, + } + runCgiTest(t, h, "GET /test.cgi HTTP/1.0\nHost: example.com\n\n", expectedMap) + + // If not specify Dir on windows, working directory should be + // base directory of perl. + cwd, _ = filepath.Split(perl) + if cwd != "" && cwd[len(cwd)-1] == filepath.Separator { + cwd = cwd[:len(cwd)-1] + } + h = &Handler{ + Path: perl, + Root: "/test.cgi", + Args: []string{cgifile}, + Env: []string{"SCRIPT_FILENAME=" + cgifile}, + } + expectedMap = map[string]string{ + "cwd": cwd, + } + runCgiTest(t, h, "GET /test.cgi HTTP/1.0\nHost: example.com\n\n", expectedMap) +} + +func TestEnvOverride(t *testing.T) { + cgifile, _ := filepath.Abs("testdata/test.cgi") + + var perl string + var err error + perl, err = exec.LookPath("perl") + if err != nil { + t.Skipf("Skipping test: perl not found.") + } + perl, _ = filepath.Abs(perl) + + cwd, _ := os.Getwd() + h := &Handler{ + Path: perl, + Root: "/test.cgi", + Dir: cwd, + Args: []string{cgifile}, + Env: []string{ + "SCRIPT_FILENAME=" + cgifile, + "REQUEST_URI=/foo/bar"}, + } + expectedMap := map[string]string{ + "cwd": cwd, + "env-SCRIPT_FILENAME": cgifile, + "env-REQUEST_URI": "/foo/bar", + } + runCgiTest(t, h, "GET /test.cgi HTTP/1.0\nHost: example.com\n\n", expectedMap) +} |