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, 01:00 UTC
| 1 | package integration |
| 2 | |
| 3 | import ( |
| 4 | "compress/gzip" |
| 5 | "context" |
| 6 | "crypto/rand" |
| 7 | "fmt" |
| 8 | "io" |
| 9 | "net/http" |
| 10 | "net/http/httputil" |
| 11 | "net/url" |
| 12 | "strings" |
| 13 | "testing" |
| 14 | "time" |
| 15 | |
| 16 | "golang.org/x/net/http2" |
| 17 | "golang.org/x/net/http2/h2c" |
| 18 | |
| 19 | "github.com/caddyserver/caddy/v2/caddytest" |
| 20 | ) |
| 21 | |
| 22 | // (see https://github.com/caddyserver/caddy/issues/3556 for use case) |
| 23 | func TestH2ToH2CStream(t *testing.T) { |
| 24 | tester := caddytest.NewTester(t) |
| 25 | tester.InitServer(` |
| 26 | { |
| 27 | "admin": { |
| 28 | "listen": "localhost:2999" |
| 29 | }, |
| 30 | "apps": { |
| 31 | "http": { |
| 32 | "http_port": 9080, |
| 33 | "https_port": 9443, |
| 34 | "grace_period": 1, |
| 35 | "servers": { |
| 36 | "srv0": { |
| 37 | "listen": [ |
| 38 | ":9443" |
| 39 | ], |
| 40 | "routes": [ |
| 41 | { |
| 42 | "handle": [ |
| 43 | { |
| 44 | "handler": "reverse_proxy", |
| 45 | "transport": { |
| 46 | "protocol": "http", |
| 47 | "compression": false, |
| 48 | "versions": [ |
| 49 | "h2c", |
| 50 | "2" |
| 51 | ] |
| 52 | }, |
| 53 | "upstreams": [ |
| 54 | { |
| 55 | "dial": "localhost:54321" |
| 56 | } |
| 57 | ] |
| 58 | } |
| 59 | ], |
| 60 | "match": [ |
| 61 | { |
| 62 | "path": [ |
| 63 | "/tov2ray" |
| 64 | ] |
| 65 | } |
| 66 | ] |
| 67 | } |
| 68 | ], |
| 69 | "tls_connection_policies": [ |
| 70 | { |
| 71 | "certificate_selection": { |
| 72 | "any_tag": ["cert0"] |
| 73 | }, |
| 74 | "default_sni": "a.caddy.localhost" |
| 75 | } |
| 76 | ] |
| 77 | } |
| 78 | } |
| 79 | }, |
| 80 | "tls": { |
| 81 | "certificates": { |
| 82 | "load_files": [ |
| 83 | { |
| 84 | "certificate": "/a.caddy.localhost.crt", |
| 85 | "key": "/a.caddy.localhost.key", |
| 86 | "tags": [ |
| 87 | "cert0" |
| 88 | ] |
| 89 | } |
| 90 | ] |
| 91 | } |
| 92 | }, |
| 93 | "pki": { |
| 94 | "certificate_authorities" : { |
| 95 | "local" : { |
| 96 | "install_trust": false |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | } |
| 102 | `, "json") |
| 103 | |
| 104 | expectedBody := "some data to be echoed" |
| 105 | // start the server |
| 106 | server := testH2ToH2CStreamServeH2C(t) |
| 107 | go server.ListenAndServe() |
| 108 | defer func() { |
| 109 | ctx, cancel := context.WithTimeout(context.Background(), time.Nanosecond) |
| 110 | defer cancel() |
| 111 | server.Shutdown(ctx) |
| 112 | }() |
| 113 | |
| 114 | r, w := io.Pipe() |
| 115 | req := &http.Request{ |
| 116 | Method: "PUT", |
| 117 | Body: io.NopCloser(r), |
| 118 | URL: &url.URL{ |
| 119 | Scheme: "https", |
| 120 | Host: "127.0.0.1:9443", |
| 121 | Path: "/tov2ray", |
| 122 | }, |
| 123 | Proto: "HTTP/2", |
| 124 | ProtoMajor: 2, |
| 125 | ProtoMinor: 0, |
| 126 | Header: make(http.Header), |
| 127 | } |
| 128 | // Disable any compression method from server. |
| 129 | req.Header.Set("Accept-Encoding", "identity") |
| 130 | |
| 131 | resp := tester.AssertResponseCode(req, http.StatusOK) |
| 132 | if resp.StatusCode != http.StatusOK { |
| 133 | return |
| 134 | } |
| 135 | go func() { |
| 136 | fmt.Fprint(w, expectedBody) |
| 137 | w.Close() |
| 138 | }() |
| 139 | |
| 140 | defer resp.Body.Close() |
| 141 | bytes, err := io.ReadAll(resp.Body) |
| 142 | if err != nil { |
| 143 | t.Fatalf("unable to read the response body %s", err) |
| 144 | } |
| 145 | |
| 146 | body := string(bytes) |
| 147 | |
| 148 | if !strings.Contains(body, expectedBody) { |
| 149 | t.Errorf("requesting \"%s\" expected response body \"%s\" but got \"%s\"", req.RequestURI, expectedBody, body) |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | func testH2ToH2CStreamServeH2C(t *testing.T) *http.Server { |
| 154 | h2s := &http2.Server{} |
| 155 | handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 156 | rstring, err := httputil.DumpRequest(r, false) |
| 157 | if err == nil { |
| 158 | t.Logf("h2c server received req: %s", rstring) |
| 159 | } |
| 160 | // We only accept HTTP/2! |
| 161 | if r.ProtoMajor != 2 { |
| 162 | t.Error("Not an HTTP/2 request, rejected!") |
| 163 | w.WriteHeader(http.StatusInternalServerError) |
| 164 | return |
| 165 | } |
| 166 | |
| 167 | if r.Host != "127.0.0.1:9443" { |
| 168 | t.Errorf("r.Host doesn't match, %v!", r.Host) |
| 169 | w.WriteHeader(http.StatusNotFound) |
| 170 | return |
| 171 | } |
| 172 | |
| 173 | if !strings.HasPrefix(r.URL.Path, "/tov2ray") { |
| 174 | w.WriteHeader(http.StatusNotFound) |
| 175 | return |
| 176 | } |
| 177 | |
| 178 | w.Header().Set("Cache-Control", "no-store") |
| 179 | w.WriteHeader(200) |
| 180 | http.NewResponseController(w).Flush() |
| 181 | |
| 182 | buf := make([]byte, 4*1024) |
| 183 | |
| 184 | for { |
| 185 | n, err := r.Body.Read(buf) |
| 186 | if n > 0 { |
| 187 | w.Write(buf[:n]) |
| 188 | } |
| 189 | |
| 190 | if err != nil { |
| 191 | if err == io.EOF { |
| 192 | r.Body.Close() |
| 193 | } |
| 194 | break |
| 195 | } |
| 196 | } |
| 197 | }) |
| 198 | |
| 199 | server := &http.Server{ |
| 200 | Addr: "127.0.0.1:54321", |
| 201 | Handler: h2c.NewHandler(handler, h2s), |
| 202 | } |
| 203 | return server |
| 204 | } |
| 205 | |
| 206 | // (see https://github.com/caddyserver/caddy/issues/3606 for use case) |
| 207 | func TestH2ToH1ChunkedResponse(t *testing.T) { |
| 208 | tester := caddytest.NewTester(t) |
| 209 | tester.InitServer(` |
| 210 | { |
| 211 | "admin": { |
| 212 | "listen": "localhost:2999" |
| 213 | }, |
| 214 | "logging": { |
| 215 | "logs": { |
| 216 | "default": { |
| 217 | "level": "DEBUG" |
| 218 | } |
| 219 | } |
| 220 | }, |
| 221 | "apps": { |
| 222 | "http": { |
| 223 | "http_port": 9080, |
| 224 | "https_port": 9443, |
| 225 | "grace_period": 1, |
| 226 | "servers": { |
| 227 | "srv0": { |
| 228 | "listen": [ |
| 229 | ":9443" |
| 230 | ], |
| 231 | "routes": [ |
| 232 | { |
| 233 | "handle": [ |
| 234 | { |
| 235 | "handler": "subroute", |
| 236 | "routes": [ |
| 237 | { |
| 238 | "handle": [ |
| 239 | { |
| 240 | "encodings": { |
| 241 | "gzip": {} |
| 242 | }, |
| 243 | "handler": "encode" |
| 244 | } |
| 245 | ] |
| 246 | }, |
| 247 | { |
| 248 | "handle": [ |
| 249 | { |
| 250 | "handler": "reverse_proxy", |
| 251 | "upstreams": [ |
| 252 | { |
| 253 | "dial": "localhost:54321" |
| 254 | } |
| 255 | ] |
| 256 | } |
| 257 | ], |
| 258 | "match": [ |
| 259 | { |
| 260 | "path": [ |
| 261 | "/tov2ray" |
| 262 | ] |
| 263 | } |
| 264 | ] |
| 265 | } |
| 266 | ] |
| 267 | } |
| 268 | ], |
| 269 | "terminal": true |
| 270 | } |
| 271 | ], |
| 272 | "tls_connection_policies": [ |
| 273 | { |
| 274 | "certificate_selection": { |
| 275 | "any_tag": [ |
| 276 | "cert0" |
| 277 | ] |
| 278 | }, |
| 279 | "default_sni": "a.caddy.localhost" |
| 280 | } |
| 281 | ] |
| 282 | } |
| 283 | } |
| 284 | }, |
| 285 | "tls": { |
| 286 | "certificates": { |
| 287 | "load_files": [ |
| 288 | { |
| 289 | "certificate": "/a.caddy.localhost.crt", |
| 290 | "key": "/a.caddy.localhost.key", |
| 291 | "tags": [ |
| 292 | "cert0" |
| 293 | ] |
| 294 | } |
| 295 | ] |
| 296 | } |
| 297 | }, |
| 298 | "pki": { |
| 299 | "certificate_authorities": { |
| 300 | "local": { |
| 301 | "install_trust": false |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | `, "json") |
| 308 | |
| 309 | // need a large body here to trigger caddy's compression, larger than gzip.miniLength |
| 310 | expectedBody, err := GenerateRandomString(1024) |
| 311 | if err != nil { |
| 312 | t.Fatalf("generate expected body failed, err: %s", err) |
| 313 | } |
| 314 | |
| 315 | // start the server |
| 316 | server := testH2ToH1ChunkedResponseServeH1(t) |
| 317 | go server.ListenAndServe() |
| 318 | defer func() { |
| 319 | ctx, cancel := context.WithTimeout(context.Background(), time.Nanosecond) |
| 320 | defer cancel() |
| 321 | server.Shutdown(ctx) |
| 322 | }() |
| 323 | |
| 324 | r, w := io.Pipe() |
| 325 | req := &http.Request{ |
| 326 | Method: "PUT", |
| 327 | Body: io.NopCloser(r), |
| 328 | URL: &url.URL{ |
| 329 | Scheme: "https", |
| 330 | Host: "127.0.0.1:9443", |
| 331 | Path: "/tov2ray", |
| 332 | }, |
| 333 | Proto: "HTTP/2", |
| 334 | ProtoMajor: 2, |
| 335 | ProtoMinor: 0, |
| 336 | Header: make(http.Header), |
| 337 | } |
| 338 | // underlying transport will automatically add gzip |
| 339 | // req.Header.Set("Accept-Encoding", "gzip") |
| 340 | go func() { |
| 341 | fmt.Fprint(w, expectedBody) |
| 342 | w.Close() |
| 343 | }() |
| 344 | resp := tester.AssertResponseCode(req, http.StatusOK) |
| 345 | if resp.StatusCode != http.StatusOK { |
| 346 | return |
| 347 | } |
| 348 | |
| 349 | defer resp.Body.Close() |
| 350 | bytes, err := io.ReadAll(resp.Body) |
| 351 | if err != nil { |
| 352 | t.Fatalf("unable to read the response body %s", err) |
| 353 | } |
| 354 | |
| 355 | body := string(bytes) |
| 356 | |
| 357 | if body != expectedBody { |
| 358 | t.Errorf("requesting \"%s\" expected response body \"%s\" but got \"%s\"", req.RequestURI, expectedBody, body) |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | func testH2ToH1ChunkedResponseServeH1(t *testing.T) *http.Server { |
| 363 | handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 364 | if r.Host != "127.0.0.1:9443" { |
| 365 | t.Errorf("r.Host doesn't match, %v!", r.Host) |
| 366 | w.WriteHeader(http.StatusNotFound) |
| 367 | return |
| 368 | } |
| 369 | |
| 370 | if !strings.HasPrefix(r.URL.Path, "/tov2ray") { |
| 371 | w.WriteHeader(http.StatusNotFound) |
| 372 | return |
| 373 | } |
| 374 | |
| 375 | defer r.Body.Close() |
| 376 | bytes, err := io.ReadAll(r.Body) |
| 377 | if err != nil { |
| 378 | t.Fatalf("unable to read the response body %s", err) |
| 379 | } |
| 380 | |
| 381 | n := len(bytes) |
| 382 | |
| 383 | var writer io.Writer |
| 384 | if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") { |
| 385 | gw, err := gzip.NewWriterLevel(w, 5) |
| 386 | if err != nil { |
| 387 | t.Error("can't return gzip data") |
| 388 | w.WriteHeader(http.StatusInternalServerError) |
| 389 | return |
| 390 | } |
| 391 | defer gw.Close() |
| 392 | writer = gw |
| 393 | w.Header().Set("Content-Encoding", "gzip") |
| 394 | w.Header().Del("Content-Length") |
| 395 | w.WriteHeader(200) |
| 396 | } else { |
| 397 | writer = w |
| 398 | } |
| 399 | if n > 0 { |
| 400 | writer.Write(bytes[:]) |
| 401 | } |
| 402 | }) |
| 403 | |
| 404 | server := &http.Server{ |
| 405 | Addr: "127.0.0.1:54321", |
| 406 | Handler: handler, |
| 407 | } |
| 408 | return server |
| 409 | } |
| 410 | |
| 411 | // GenerateRandomBytes returns securely generated random bytes. |
| 412 | // It will return an error if the system's secure random |
| 413 | // number generator fails to function correctly, in which |
| 414 | // case the caller should not continue. |
| 415 | func GenerateRandomBytes(n int) ([]byte, error) { |
| 416 | b := make([]byte, n) |
| 417 | _, err := rand.Read(b) |
| 418 | // Note that err == nil only if we read len(b) bytes. |
| 419 | if err != nil { |
| 420 | return nil, err |
| 421 | } |
| 422 | |
| 423 | return b, nil |
| 424 | } |
| 425 | |
| 426 | // GenerateRandomString returns a securely generated random string. |
| 427 | // It will return an error if the system's secure random |
| 428 | // number generator fails to function correctly, in which |
| 429 | // case the caller should not continue. |
| 430 | func GenerateRandomString(n int) (string, error) { |
| 431 | const letters = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-" |
| 432 | bytes, err := GenerateRandomBytes(n) |
| 433 | if err != nil { |
| 434 | return "", err |
| 435 | } |
| 436 | for i, b := range bytes { |
| 437 | bytes[i] = letters[b%byte(len(letters))] |
| 438 | } |
| 439 | return string(bytes), nil |
| 440 | } |