caddy/caddyhttp/fastcgi/fcgiclient_test.go
Matthew Holt baf6db5b57
Apply Apache license to all .go source files (closes #1865)
I am not a lawyer, but according to the appendix of the license,
these boilerplate notices should be included with every source file.
2017-09-22 23:56:58 -06:00

290 lines
6.9 KiB
Go

// Copyright 2015 Light Code Labs, LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// NOTE: These tests were adapted from the original
// repository from which this package was forked.
// The tests are slow (~10s) and in dire need of rewriting.
// As such, the tests have been disabled to speed up
// automated builds until they can be properly written.
package fastcgi
import (
"bytes"
"crypto/md5"
"encoding/binary"
"fmt"
"io"
"io/ioutil"
"log"
"math/rand"
"net"
"net/http"
"net/http/fcgi"
"net/url"
"os"
"path/filepath"
"strconv"
"strings"
"testing"
"time"
)
// test fcgi protocol includes:
// Get, Post, Post in multipart/form-data, and Post with files
// each key should be the md5 of the value or the file uploaded
// sepicify remote fcgi responer ip:port to test with php
// test failed if the remote fcgi(script) failed md5 verification
// and output "FAILED" in response
const (
scriptFile = "/tank/www/fcgic_test.php"
//ipPort = "remote-php-serv:59000"
ipPort = "127.0.0.1:59000"
)
var globalt *testing.T
type FastCGIServer struct{}
func (s FastCGIServer) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
req.ParseMultipartForm(100000000)
stat := "PASSED"
fmt.Fprintln(resp, "-")
fileNum := 0
{
length := 0
for k0, v0 := range req.Form {
h := md5.New()
io.WriteString(h, v0[0])
md5 := fmt.Sprintf("%x", h.Sum(nil))
length += len(k0)
length += len(v0[0])
// echo error when key != md5(val)
if md5 != k0 {
fmt.Fprintln(resp, "server:err ", md5, k0)
stat = "FAILED"
}
}
if req.MultipartForm != nil {
fileNum = len(req.MultipartForm.File)
for kn, fns := range req.MultipartForm.File {
//fmt.Fprintln(resp, "server:filekey ", kn )
length += len(kn)
for _, f := range fns {
fd, err := f.Open()
if err != nil {
log.Println("server:", err)
return
}
h := md5.New()
l0, err := io.Copy(h, fd)
if err != nil {
log.Println(err)
return
}
length += int(l0)
defer fd.Close()
md5 := fmt.Sprintf("%x", h.Sum(nil))
//fmt.Fprintln(resp, "server:filemd5 ", md5 )
if kn != md5 {
fmt.Fprintln(resp, "server:err ", md5, kn)
stat = "FAILED"
}
//fmt.Fprintln(resp, "server:filename ", f.Filename )
}
}
}
fmt.Fprintln(resp, "server:got data length", length)
}
fmt.Fprintln(resp, "-"+stat+"-POST(", len(req.Form), ")-FILE(", fileNum, ")--")
}
func sendFcgi(reqType int, fcgiParams map[string]string, data []byte, posts map[string]string, files map[string]string) (content []byte) {
fcgi, err := Dial("tcp", ipPort)
if err != nil {
log.Println("err:", err)
return
}
length := 0
var resp *http.Response
switch reqType {
case 0:
if len(data) > 0 {
length = len(data)
rd := bytes.NewReader(data)
resp, err = fcgi.Post(fcgiParams, "", "", rd, int64(rd.Len()))
} else if len(posts) > 0 {
values := url.Values{}
for k, v := range posts {
values.Set(k, v)
length += len(k) + 2 + len(v)
}
resp, err = fcgi.PostForm(fcgiParams, values)
} else {
resp, err = fcgi.Get(fcgiParams)
}
default:
values := url.Values{}
for k, v := range posts {
values.Set(k, v)
length += len(k) + 2 + len(v)
}
for k, v := range files {
fi, _ := os.Lstat(v)
length += len(k) + int(fi.Size())
}
resp, err = fcgi.PostFile(fcgiParams, values, files)
}
if err != nil {
log.Println("err:", err)
return
}
defer resp.Body.Close()
content, _ = ioutil.ReadAll(resp.Body)
log.Println("c: send data length ≈", length, string(content))
fcgi.Close()
time.Sleep(1 * time.Second)
if bytes.Contains(content, []byte("FAILED")) {
globalt.Error("Server return failed message")
}
return
}
func generateRandFile(size int) (p string, m string) {
p = filepath.Join(os.TempDir(), "fcgict"+strconv.Itoa(rand.Int()))
// open output file
fo, err := os.Create(p)
if err != nil {
panic(err)
}
// close fo on exit and check for its returned error
defer func() {
if err := fo.Close(); err != nil {
panic(err)
}
}()
h := md5.New()
for i := 0; i < size/16; i++ {
buf := make([]byte, 16)
binary.PutVarint(buf, rand.Int63())
fo.Write(buf)
h.Write(buf)
}
m = fmt.Sprintf("%x", h.Sum(nil))
return
}
func DisabledTest(t *testing.T) {
// TODO: test chunked reader
globalt = t
rand.Seed(time.Now().UTC().UnixNano())
// server
go func() {
listener, err := net.Listen("tcp", ipPort)
if err != nil {
// handle error
log.Println("listener creation failed: ", err)
}
srv := new(FastCGIServer)
fcgi.Serve(listener, srv)
}()
time.Sleep(1 * time.Second)
// init
fcgiParams := make(map[string]string)
fcgiParams["REQUEST_METHOD"] = "GET"
fcgiParams["SERVER_PROTOCOL"] = "HTTP/1.1"
//fcgi_params["GATEWAY_INTERFACE"] = "CGI/1.1"
fcgiParams["SCRIPT_FILENAME"] = scriptFile
// simple GET
log.Println("test:", "get")
sendFcgi(0, fcgiParams, nil, nil, nil)
// simple post data
log.Println("test:", "post")
sendFcgi(0, fcgiParams, []byte("c4ca4238a0b923820dcc509a6f75849b=1&7b8b965ad4bca0e41ab51de7b31363a1=n"), nil, nil)
log.Println("test:", "post data (more than 60KB)")
data := ""
for i := 0x00; i < 0xff; i++ {
v0 := strings.Repeat(string(i), 256)
h := md5.New()
io.WriteString(h, v0)
k0 := fmt.Sprintf("%x", h.Sum(nil))
data += k0 + "=" + url.QueryEscape(v0) + "&"
}
sendFcgi(0, fcgiParams, []byte(data), nil, nil)
log.Println("test:", "post form (use url.Values)")
p0 := make(map[string]string, 1)
p0["c4ca4238a0b923820dcc509a6f75849b"] = "1"
p0["7b8b965ad4bca0e41ab51de7b31363a1"] = "n"
sendFcgi(1, fcgiParams, nil, p0, nil)
log.Println("test:", "post forms (256 keys, more than 1MB)")
p1 := make(map[string]string, 1)
for i := 0x00; i < 0xff; i++ {
v0 := strings.Repeat(string(i), 4096)
h := md5.New()
io.WriteString(h, v0)
k0 := fmt.Sprintf("%x", h.Sum(nil))
p1[k0] = v0
}
sendFcgi(1, fcgiParams, nil, p1, nil)
log.Println("test:", "post file (1 file, 500KB)) ")
f0 := make(map[string]string, 1)
path0, m0 := generateRandFile(500000)
f0[m0] = path0
sendFcgi(1, fcgiParams, nil, p1, f0)
log.Println("test:", "post multiple files (2 files, 5M each) and forms (256 keys, more than 1MB data")
path1, m1 := generateRandFile(5000000)
f0[m1] = path1
sendFcgi(1, fcgiParams, nil, p1, f0)
log.Println("test:", "post only files (2 files, 5M each)")
sendFcgi(1, fcgiParams, nil, nil, f0)
log.Println("test:", "post only 1 file")
delete(f0, "m0")
sendFcgi(1, fcgiParams, nil, nil, f0)
os.Remove(path0)
os.Remove(path1)
}