Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Mirrored from https://github.com/Slazee/caddy.git
Synced Nov 11, 02:15 UTC
| 1 | // Copyright 2015 Matthew Holt and The Caddy Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | // NOTE: These tests were adapted from the original |
| 16 | // repository from which this package was forked. |
| 17 | // The tests are slow (~10s) and in dire need of rewriting. |
| 18 | // As such, the tests have been disabled to speed up |
| 19 | // automated builds until they can be properly written. |
| 20 | |
| 21 | package fastcgi |
| 22 | |
| 23 | import ( |
| 24 | "bytes" |
| 25 | "crypto/md5" |
| 26 | "encoding/binary" |
| 27 | "fmt" |
| 28 | "io" |
| 29 | "log" |
| 30 | "math/rand/v2" |
| 31 | "net" |
| 32 | "net/http" |
| 33 | "net/http/fcgi" |
| 34 | "net/url" |
| 35 | "os" |
| 36 | "path/filepath" |
| 37 | "strconv" |
| 38 | "strings" |
| 39 | "testing" |
| 40 | "time" |
| 41 | ) |
| 42 | |
| 43 | // test fcgi protocol includes: |
| 44 | // Get, Post, Post in multipart/form-data, and Post with files |
| 45 | // each key should be the md5 of the value or the file uploaded |
| 46 | // specify remote fcgi responder ip:port to test with php |
| 47 | // test failed if the remote fcgi(script) failed md5 verification |
| 48 | // and output "FAILED" in response |
| 49 | const ( |
| 50 | scriptFile = "/tank/www/fcgic_test.php" |
| 51 | // ipPort = "remote-php-serv:59000" |
| 52 | ipPort = "127.0.0.1:59000" |
| 53 | ) |
| 54 | |
| 55 | var globalt *testing.T |
| 56 | |
| 57 | type FastCGIServer struct{} |
| 58 | |
| 59 | func (s FastCGIServer) ServeHTTP(resp http.ResponseWriter, req *http.Request) { |
| 60 | if err := req.ParseMultipartForm(100000000); err != nil { |
| 61 | log.Printf("[ERROR] failed to parse: %v", err) |
| 62 | } |
| 63 | |
| 64 | stat := "PASSED" |
| 65 | fmt.Fprintln(resp, "-") |
| 66 | fileNum := 0 |
| 67 | { |
| 68 | length := 0 |
| 69 | for k0, v0 := range req.Form { |
| 70 | h := md5.New() |
| 71 | _, _ = io.WriteString(h, v0[0]) |
| 72 | _md5 := fmt.Sprintf("%x", h.Sum(nil)) |
| 73 | |
| 74 | length += len(k0) |
| 75 | length += len(v0[0]) |
| 76 | |
| 77 | // echo error when key != _md5(val) |
| 78 | if _md5 != k0 { |
| 79 | fmt.Fprintln(resp, "server:err ", _md5, k0) |
| 80 | stat = "FAILED" |
| 81 | } |
| 82 | } |
| 83 | if req.MultipartForm != nil { |
| 84 | fileNum = len(req.MultipartForm.File) |
| 85 | for kn, fns := range req.MultipartForm.File { |
| 86 | // fmt.Fprintln(resp, "server:filekey ", kn ) |
| 87 | length += len(kn) |
| 88 | for _, f := range fns { |
| 89 | fd, err := f.Open() |
| 90 | if err != nil { |
| 91 | log.Println("server:", err) |
| 92 | return |
| 93 | } |
| 94 | h := md5.New() |
| 95 | l0, err := io.Copy(h, fd) |
| 96 | if err != nil { |
| 97 | log.Println(err) |
| 98 | return |
| 99 | } |
| 100 | length += int(l0) |
| 101 | defer fd.Close() |
| 102 | md5 := fmt.Sprintf("%x", h.Sum(nil)) |
| 103 | // fmt.Fprintln(resp, "server:filemd5 ", md5 ) |
| 104 | |
| 105 | if kn != md5 { |
| 106 | fmt.Fprintln(resp, "server:err ", md5, kn) |
| 107 | stat = "FAILED" |
| 108 | } |
| 109 | // fmt.Fprintln(resp, "server:filename ", f.Filename ) |
| 110 | } |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | fmt.Fprintln(resp, "server:got data length", length) |
| 115 | } |
| 116 | fmt.Fprintln(resp, "-"+stat+"-POST(", len(req.Form), ")-FILE(", fileNum, ")--") |
| 117 | } |
| 118 | |
| 119 | func sendFcgi(reqType int, fcgiParams map[string]string, data []byte, posts map[string]string, files map[string]string) (content []byte) { |
| 120 | conn, err := net.Dial("tcp", ipPort) |
| 121 | if err != nil { |
| 122 | log.Println("err:", err) |
| 123 | return content |
| 124 | } |
| 125 | |
| 126 | fcgi := client{rwc: conn, reqID: 1} |
| 127 | |
| 128 | length := 0 |
| 129 | |
| 130 | var resp *http.Response |
| 131 | switch reqType { |
| 132 | case 0: |
| 133 | if len(data) > 0 { |
| 134 | length = len(data) |
| 135 | rd := bytes.NewReader(data) |
| 136 | resp, err = fcgi.Post(fcgiParams, "", "", rd, int64(rd.Len())) |
| 137 | } else if len(posts) > 0 { |
| 138 | values := url.Values{} |
| 139 | for k, v := range posts { |
| 140 | values.Set(k, v) |
| 141 | length += len(k) + 2 + len(v) |
| 142 | } |
| 143 | resp, err = fcgi.PostForm(fcgiParams, values) |
| 144 | } else { |
| 145 | rd := bytes.NewReader(data) |
| 146 | resp, err = fcgi.Get(fcgiParams, rd, int64(rd.Len())) |
| 147 | } |
| 148 | |
| 149 | default: |
| 150 | values := url.Values{} |
| 151 | for k, v := range posts { |
| 152 | values.Set(k, v) |
| 153 | length += len(k) + 2 + len(v) |
| 154 | } |
| 155 | |
| 156 | for k, v := range files { |
| 157 | fi, _ := os.Lstat(v) |
| 158 | length += len(k) + int(fi.Size()) |
| 159 | } |
| 160 | resp, err = fcgi.PostFile(fcgiParams, values, files) |
| 161 | } |
| 162 | |
| 163 | if err != nil { |
| 164 | log.Println("err:", err) |
| 165 | return content |
| 166 | } |
| 167 | |
| 168 | defer resp.Body.Close() |
| 169 | content, _ = io.ReadAll(resp.Body) |
| 170 | |
| 171 | log.Println("c: send data length ≈", length, string(content)) |
| 172 | conn.Close() |
| 173 | time.Sleep(250 * time.Millisecond) |
| 174 | |
| 175 | if bytes.Contains(content, []byte("FAILED")) { |
| 176 | globalt.Error("Server return failed message") |
| 177 | } |
| 178 | |
| 179 | return content |
| 180 | } |
| 181 | |
| 182 | func generateRandFile(size int) (p string, m string) { |
| 183 | p = filepath.Join(os.TempDir(), "fcgict"+strconv.Itoa(rand.Int())) |
| 184 | |
| 185 | // open output file |
| 186 | fo, err := os.Create(p) |
| 187 | if err != nil { |
| 188 | panic(err) |
| 189 | } |
| 190 | // close fo on exit and check for its returned error |
| 191 | defer func() { |
| 192 | if err := fo.Close(); err != nil { |
| 193 | panic(err) |
| 194 | } |
| 195 | }() |
| 196 | |
| 197 | h := md5.New() |
| 198 | for i := 0; i < size/16; i++ { |
| 199 | buf := make([]byte, 16) |
| 200 | binary.PutVarint(buf, rand.Int64()) |
| 201 | if _, err := fo.Write(buf); err != nil { |
| 202 | log.Printf("[ERROR] failed to write buffer: %v\n", err) |
| 203 | } |
| 204 | if _, err := h.Write(buf); err != nil { |
| 205 | log.Printf("[ERROR] failed to write buffer: %v\n", err) |
| 206 | } |
| 207 | } |
| 208 | m = fmt.Sprintf("%x", h.Sum(nil)) |
| 209 | return p, m |
| 210 | } |
| 211 | |
| 212 | func DisabledTest(t *testing.T) { |
| 213 | // TODO: test chunked reader |
| 214 | globalt = t |
| 215 | |
| 216 | // server |
| 217 | go func() { |
| 218 | listener, err := net.Listen("tcp", ipPort) |
| 219 | if err != nil { |
| 220 | log.Println("listener creation failed: ", err) |
| 221 | } |
| 222 | |
| 223 | srv := new(FastCGIServer) |
| 224 | if err := fcgi.Serve(listener, srv); err != nil { |
| 225 | log.Print("[ERROR] failed to start server: ", err) |
| 226 | } |
| 227 | }() |
| 228 | |
| 229 | time.Sleep(250 * time.Millisecond) |
| 230 | |
| 231 | // init |
| 232 | fcgiParams := make(map[string]string) |
| 233 | fcgiParams["REQUEST_METHOD"] = "GET" |
| 234 | fcgiParams["SERVER_PROTOCOL"] = "HTTP/1.1" |
| 235 | // fcgi_params["GATEWAY_INTERFACE"] = "CGI/1.1" |
| 236 | fcgiParams["SCRIPT_FILENAME"] = scriptFile |
| 237 | |
| 238 | // simple GET |
| 239 | log.Println("test:", "get") |
| 240 | sendFcgi(0, fcgiParams, nil, nil, nil) |
| 241 | |
| 242 | // simple post data |
| 243 | log.Println("test:", "post") |
| 244 | sendFcgi(0, fcgiParams, []byte("c4ca4238a0b923820dcc509a6f75849b=1&7b8b965ad4bca0e41ab51de7b31363a1=n"), nil, nil) |
| 245 | |
| 246 | log.Println("test:", "post data (more than 60KB)") |
| 247 | data := "" |
| 248 | for i := 0x00; i < 0xff; i++ { |
| 249 | v0 := strings.Repeat(fmt.Sprint(i), 256) |
| 250 | h := md5.New() |
| 251 | _, _ = io.WriteString(h, v0) |
| 252 | k0 := fmt.Sprintf("%x", h.Sum(nil)) |
| 253 | data += k0 + "=" + url.QueryEscape(v0) + "&" |
| 254 | } |
| 255 | sendFcgi(0, fcgiParams, []byte(data), nil, nil) |
| 256 | |
| 257 | log.Println("test:", "post form (use url.Values)") |
| 258 | p0 := make(map[string]string, 1) |
| 259 | p0["c4ca4238a0b923820dcc509a6f75849b"] = "1" |
| 260 | p0["7b8b965ad4bca0e41ab51de7b31363a1"] = "n" |
| 261 | sendFcgi(1, fcgiParams, nil, p0, nil) |
| 262 | |
| 263 | log.Println("test:", "post forms (256 keys, more than 1MB)") |
| 264 | p1 := make(map[string]string, 1) |
| 265 | for i := 0x00; i < 0xff; i++ { |
| 266 | v0 := strings.Repeat(fmt.Sprint(i), 4096) |
| 267 | h := md5.New() |
| 268 | _, _ = io.WriteString(h, v0) |
| 269 | k0 := fmt.Sprintf("%x", h.Sum(nil)) |
| 270 | p1[k0] = v0 |
| 271 | } |
| 272 | sendFcgi(1, fcgiParams, nil, p1, nil) |
| 273 | |
| 274 | log.Println("test:", "post file (1 file, 500KB)) ") |
| 275 | f0 := make(map[string]string, 1) |
| 276 | path0, m0 := generateRandFile(500000) |
| 277 | f0[m0] = path0 |
| 278 | sendFcgi(1, fcgiParams, nil, p1, f0) |
| 279 | |
| 280 | log.Println("test:", "post multiple files (2 files, 5M each) and forms (256 keys, more than 1MB data") |
| 281 | path1, m1 := generateRandFile(5000000) |
| 282 | f0[m1] = path1 |
| 283 | sendFcgi(1, fcgiParams, nil, p1, f0) |
| 284 | |
| 285 | log.Println("test:", "post only files (2 files, 5M each)") |
| 286 | sendFcgi(1, fcgiParams, nil, nil, f0) |
| 287 | |
| 288 | log.Println("test:", "post only 1 file") |
| 289 | delete(f0, "m0") |
| 290 | sendFcgi(1, fcgiParams, nil, nil, f0) |
| 291 | |
| 292 | if err := os.Remove(path0); err != nil { |
| 293 | log.Println("[ERROR] failed to remove path: ", err) |
| 294 | } |
| 295 | if err := os.Remove(path1); err != nil { |
| 296 | log.Println("[ERROR] failed to remove path: ", err) |
| 297 | } |
| 298 | } |