| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "encoding/base64" |
| 6 | "encoding/json" |
| 7 | "io" |
| 8 | "net/http" |
| 9 | "net/http/httptest" |
| 10 | "os" |
| 11 | "strconv" |
| 12 | "strings" |
| 13 | "testing" |
| 14 | "time" |
| 15 | |
| 16 | "github.com/go-webauthn/webauthn/webauthn" |
| 17 | ) |
| 18 | |
| 19 | func newTestServer(t *testing.T) (*httptest.Server, *Server) { |
| 20 | t.Helper() |
| 21 | store, err := openSQLiteStore(t.TempDir() + "/home.db") |
| 22 | if err != nil { |
| 23 | t.Fatalf("openSQLiteStore: %v", err) |
| 24 | } |
| 25 | s, err := newServer(store, "http://localhost:1748", []byte("test-state-secret")) |
| 26 | if err != nil { |
| 27 | t.Fatalf("newServer: %v", err) |
| 28 | } |
| 29 | ts := httptest.NewServer(s.handler()) |
| 30 | t.Cleanup(ts.Close) |
| 31 | return ts, s |
| 32 | } |
| 33 | |
| 34 | // seedUser creates a user with one credential (a real webauthn.Credential, as |
| 35 | // a verified ceremony would store) and a device link token — the state a |
| 36 | // register/finish leaves behind, without simulating an authenticator. |
| 37 | func seedUser(t *testing.T, s *Server) (userID, token string) { |
| 38 | t.Helper() |
| 39 | userID, err := randToken() |
| 40 | if err != nil { |
| 41 | t.Fatalf("randToken: %v", err) |
| 42 | } |
| 43 | if err := s.store.createUser(userID); err != nil { |
| 44 | t.Fatalf("createUser: %v", err) |
| 45 | } |
| 46 | cred := &webauthn.Credential{ |
| 47 | ID: []byte("cred-" + userID[:8]), |
| 48 | PublicKey: []byte("test-cose-public-key"), |
| 49 | Authenticator: webauthn.Authenticator{ |
| 50 | AAGUID: make([]byte, 16), |
| 51 | SignCount: 1, |
| 52 | }, |
| 53 | } |
| 54 | if err := s.store.insertCredential(userID, cred); err != nil { |
| 55 | t.Fatalf("insertCredential: %v", err) |
| 56 | } |
| 57 | token, err = s.store.createLinkToken(userID) |
| 58 | if err != nil { |
| 59 | t.Fatalf("createLinkToken: %v", err) |
| 60 | } |
| 61 | return userID, token |
| 62 | } |
| 63 | |
| 64 | func do(t *testing.T, method, url, token string, headers map[string]string, body []byte) *http.Response { |
| 65 | t.Helper() |
| 66 | req, _ := http.NewRequest(method, url, bytes.NewReader(body)) |
| 67 | if token != "" { |
| 68 | req.Header.Set("Authorization", "Bearer "+token) |
| 69 | } |
| 70 | for k, v := range headers { |
| 71 | req.Header.Set(k, v) |
| 72 | } |
| 73 | resp, err := http.DefaultClient.Do(req) |
| 74 | if err != nil { |
| 75 | t.Fatalf("request: %v", err) |
| 76 | } |
| 77 | return resp |
| 78 | } |
| 79 | |
| 80 | func TestBlobAuthGating(t *testing.T) { |
| 81 | ts, _ := newTestServer(t) |
| 82 | if r := do(t, "GET", ts.URL+"/api/blob", "", nil, nil); r.StatusCode != http.StatusUnauthorized { |
| 83 | t.Fatalf("GET no token: want 401, got %d", r.StatusCode) |
| 84 | } |
| 85 | if r := do(t, "PUT", ts.URL+"/api/blob", "", map[string]string{"If-Match": `"0"`}, []byte("x")); r.StatusCode != http.StatusUnauthorized { |
| 86 | t.Fatalf("PUT no token: want 401, got %d", r.StatusCode) |
| 87 | } |
| 88 | if r := do(t, "GET", ts.URL+"/api/blob", "wrong", nil, nil); r.StatusCode != http.StatusUnauthorized { |
| 89 | t.Fatalf("GET bad token: want 401, got %d", r.StatusCode) |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | func TestBlobPutGet304(t *testing.T) { |
| 94 | ts, s := newTestServer(t) |
| 95 | _, tok := seedUser(t, s) |
| 96 | |
| 97 | // No blob yet. |
| 98 | if r := do(t, "GET", ts.URL+"/api/blob", tok, nil, nil); r.StatusCode != http.StatusNotFound { |
| 99 | t.Fatalf("empty GET: want 404, got %d", r.StatusCode) |
| 100 | } |
| 101 | |
| 102 | // First write claims version 0 -> 1. |
| 103 | blob := []byte("opaque-ciphertext") |
| 104 | r := do(t, "PUT", ts.URL+"/api/blob", tok, map[string]string{"If-Match": `"0"`}, blob) |
| 105 | if r.StatusCode != http.StatusOK { |
| 106 | t.Fatalf("PUT: want 200, got %d", r.StatusCode) |
| 107 | } |
| 108 | if got := r.Header.Get("ETag"); got != `"1"` { |
| 109 | t.Fatalf("PUT ETag: want %q, got %q", `"1"`, got) |
| 110 | } |
| 111 | // The response's version is an opaque JSON string, like the ETag (#550 |
| 112 | // Phase 0) — a future backend's non-numeric versions must not need a wire |
| 113 | // change. |
| 114 | if body, _ := io.ReadAll(r.Body); !strings.Contains(string(body), `"version":"1"`) { |
| 115 | t.Fatalf("PUT body should carry version as a JSON string, got %s", body) |
| 116 | } |
| 117 | |
| 118 | r = do(t, "GET", ts.URL+"/api/blob", tok, nil, nil) |
| 119 | if r.StatusCode != http.StatusOK { |
| 120 | t.Fatalf("GET: want 200, got %d", r.StatusCode) |
| 121 | } |
| 122 | if got := r.Header.Get("ETag"); got != `"1"` { |
| 123 | t.Fatalf("GET ETag: want %q, got %q", `"1"`, got) |
| 124 | } |
| 125 | body, _ := io.ReadAll(r.Body) |
| 126 | if !bytes.Equal(body, blob) { |
| 127 | t.Fatalf("GET body mismatch") |
| 128 | } |
| 129 | |
| 130 | // Conditional read: matching version returns 304 with no body. |
| 131 | r = do(t, "GET", ts.URL+"/api/blob", tok, map[string]string{"If-None-Match": `"1"`}, nil) |
| 132 | if r.StatusCode != http.StatusNotModified { |
| 133 | t.Fatalf("If-None-Match: want 304, got %d", r.StatusCode) |
| 134 | } |
| 135 | // A stale version still gets the full blob. |
| 136 | r = do(t, "GET", ts.URL+"/api/blob", tok, map[string]string{"If-None-Match": `"0"`}, nil) |
| 137 | if r.StatusCode != http.StatusOK { |
| 138 | t.Fatalf("stale If-None-Match: want 200, got %d", r.StatusCode) |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | func TestBlobVersionConflict(t *testing.T) { |
| 143 | ts, s := newTestServer(t) |
| 144 | _, tok := seedUser(t, s) |
| 145 | |
| 146 | if r := do(t, "PUT", ts.URL+"/api/blob", tok, map[string]string{"If-Match": `"0"`}, []byte("v1")); r.StatusCode != http.StatusOK { |
| 147 | t.Fatalf("first PUT: want 200, got %d", r.StatusCode) |
| 148 | } |
| 149 | // A second writer that still believes version 0 must lose. |
| 150 | r := do(t, "PUT", ts.URL+"/api/blob", tok, map[string]string{"If-Match": `"0"`}, []byte("v1-race")) |
| 151 | if r.StatusCode != http.StatusConflict { |
| 152 | t.Fatalf("stale PUT: want 409, got %d", r.StatusCode) |
| 153 | } |
| 154 | if got := r.Header.Get("ETag"); got != `"1"` { |
| 155 | t.Fatalf("conflict ETag should name the current version: want %q, got %q", `"1"`, got) |
| 156 | } |
| 157 | // If-Match is mandatory: an unconditional overwrite is not a thing. |
| 158 | if r := do(t, "PUT", ts.URL+"/api/blob", tok, nil, []byte("x")); r.StatusCode != http.StatusPreconditionRequired { |
| 159 | t.Fatalf("missing If-Match: want 428, got %d", r.StatusCode) |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | func TestBlobSizeCap(t *testing.T) { |
| 164 | ts, s := newTestServer(t) |
| 165 | _, tok := seedUser(t, s) |
| 166 | big := make([]byte, maxBlobBytes+1) |
| 167 | r := do(t, "PUT", ts.URL+"/api/blob", tok, map[string]string{"If-Match": `"0"`}, big) |
| 168 | if r.StatusCode != http.StatusRequestEntityTooLarge { |
| 169 | t.Fatalf("oversize PUT: want 413, got %d", r.StatusCode) |
| 170 | } |
| 171 | // At the cap is fine. |
| 172 | ok := make([]byte, maxBlobBytes) |
| 173 | if r := do(t, "PUT", ts.URL+"/api/blob", tok, map[string]string{"If-Match": `"0"`}, ok); r.StatusCode != http.StatusOK { |
| 174 | t.Fatalf("cap-size PUT: want 200, got %d", r.StatusCode) |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | func TestBlobVersionHistory(t *testing.T) { |
| 179 | ts, s := newTestServer(t) |
| 180 | uid, tok := seedUser(t, s) |
| 181 | for i := 0; i < blobKeepVersions+2; i++ { |
| 182 | r := do(t, "PUT", ts.URL+"/api/blob", tok, |
| 183 | map[string]string{"If-Match": `"` + itoa(i) + `"`}, []byte("v"+itoa(i+1))) |
| 184 | if r.StatusCode != http.StatusOK { |
| 185 | t.Fatalf("PUT %d: want 200, got %d", i+1, r.StatusCode) |
| 186 | } |
| 187 | } |
| 188 | versions, err := s.store.listBlobVersions(uid) |
| 189 | if err != nil { |
| 190 | t.Fatalf("listBlobVersions: %v", err) |
| 191 | } |
| 192 | if len(versions) != blobKeepVersions { |
| 193 | t.Fatalf("history: want %d versions kept, got %d", blobKeepVersions, len(versions)) |
| 194 | } |
| 195 | if oldest := versions[len(versions)-1]; oldest != "3" { // 7 writes, keep 5 -> versions 3..7 |
| 196 | t.Fatalf("history: want oldest kept = 3, got %s", oldest) |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | func itoa(i int) string { return strconv.Itoa(i) } |
| 201 | |
| 202 | func TestDevicesListing(t *testing.T) { |
| 203 | ts, s := newTestServer(t) |
| 204 | uid, tok := seedUser(t, s) |
| 205 | tok2, _ := s.store.createLinkToken(uid) // a second device |
| 206 | |
| 207 | if r := do(t, "GET", ts.URL+"/api/devices", "", nil, nil); r.StatusCode != http.StatusUnauthorized { |
| 208 | t.Fatalf("no token: want 401, got %d", r.StatusCode) |
| 209 | } |
| 210 | r := do(t, "GET", ts.URL+"/api/devices", tok, nil, nil) |
| 211 | if r.StatusCode != http.StatusOK { |
| 212 | t.Fatalf("list: want 200, got %d", r.StatusCode) |
| 213 | } |
| 214 | raw, _ := io.ReadAll(r.Body) |
| 215 | // Token values (or hashes) must never appear in the listing. |
| 216 | for _, secret := range []string{tok, tok2, hashToken(tok), hashToken(tok2)} { |
| 217 | if strings.Contains(string(raw), secret) { |
| 218 | t.Fatalf("devices listing leaks a token value") |
| 219 | } |
| 220 | } |
| 221 | var out struct{ Devices []Device } |
| 222 | if err := json.Unmarshal(raw, &out); err != nil { |
| 223 | t.Fatalf("bad json: %v", err) |
| 224 | } |
| 225 | if len(out.Devices) != 2 { |
| 226 | t.Fatalf("want 2 devices, got %d", len(out.Devices)) |
| 227 | } |
| 228 | currents := 0 |
| 229 | for _, d := range out.Devices { |
| 230 | if d.ID == "" || d.CreatedAt == 0 || d.LastSeen == 0 { |
| 231 | t.Fatalf("device metadata incomplete: %+v", d) |
| 232 | } |
| 233 | if d.Current { |
| 234 | currents++ |
| 235 | } |
| 236 | } |
| 237 | if currents != 1 { |
| 238 | t.Fatalf("exactly one device should be marked current, got %d", currents) |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | func TestDestructiveOpsRequireCeremony(t *testing.T) { |
| 243 | ts, s := newTestServer(t) |
| 244 | uid, tok := seedUser(t, s) |
| 245 | do(t, "PUT", ts.URL+"/api/blob", tok, map[string]string{"If-Match": `"0"`}, []byte("precious")) |
| 246 | |
| 247 | devices, _ := s.store.listDevices(uid) |
| 248 | devID := devices[0].ID |
| 249 | |
| 250 | // A link token alone must never authorise a destructive op — that's the |
| 251 | // whole point of the proof mechanism (a stolen token can't lock you out). |
| 252 | if r := do(t, "DELETE", ts.URL+"/api/blob", tok, nil, nil); r.StatusCode != http.StatusUnauthorized { |
| 253 | t.Fatalf("blob delete with link token: want 401, got %d", r.StatusCode) |
| 254 | } |
| 255 | if r := do(t, "DELETE", ts.URL+"/api/devices/"+devID, tok, nil, nil); r.StatusCode != http.StatusUnauthorized { |
| 256 | t.Fatalf("device delete with link token: want 401, got %d", r.StatusCode) |
| 257 | } |
| 258 | |
| 259 | // A STALE proof (past its embedded expiry) is refused. |
| 260 | stale := s.keys.mintCeremonyProofAt(uid, time.Now().Add(-time.Minute)) |
| 261 | if r := do(t, "DELETE", ts.URL+"/api/blob", "", map[string]string{"X-Ceremony-Proof": stale}, nil); r.StatusCode != http.StatusUnauthorized { |
| 262 | t.Fatalf("stale proof: want 401, got %d", r.StatusCode) |
| 263 | } |
| 264 | |
| 265 | // A fresh proof from ANOTHER user can't touch this user's devices. |
| 266 | other, _ := seedUser(t, s) |
| 267 | otherProof := s.keys.mintCeremonyProof(other) |
| 268 | if r := do(t, "DELETE", ts.URL+"/api/devices/"+devID, "", map[string]string{"X-Ceremony-Proof": otherProof}, nil); r.StatusCode != http.StatusNotFound { |
| 269 | t.Fatalf("cross-user proof: want 404, got %d", r.StatusCode) |
| 270 | } |
| 271 | |
| 272 | // A fresh proof for the right user works. |
| 273 | proof := s.keys.mintCeremonyProof(uid) |
| 274 | if r := do(t, "DELETE", ts.URL+"/api/devices/"+devID, "", map[string]string{"X-Ceremony-Proof": proof}, nil); r.StatusCode != http.StatusOK { |
| 275 | t.Fatalf("device delete with fresh proof: want 200, got %d", r.StatusCode) |
| 276 | } |
| 277 | if r := do(t, "DELETE", ts.URL+"/api/blob", "", map[string]string{"X-Ceremony-Proof": proof}, nil); r.StatusCode != http.StatusOK { |
| 278 | t.Fatalf("blob delete with fresh proof: want 200, got %d", r.StatusCode) |
| 279 | } |
| 280 | if _, _, found, _ := s.store.getBlob(uid); found { |
| 281 | t.Fatalf("blob (and history) should be gone after ceremony-gated delete") |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | func TestRegisterBeginOptions(t *testing.T) { |
| 286 | ts, s := newTestServer(t) |
| 287 | r := do(t, "POST", ts.URL+"/api/register/begin", "", nil, nil) |
| 288 | if r.StatusCode != http.StatusOK { |
| 289 | t.Fatalf("begin: want 200, got %d", r.StatusCode) |
| 290 | } |
| 291 | var out struct { |
| 292 | Session string `json:"session"` |
| 293 | Options struct { |
| 294 | PublicKey struct { |
| 295 | Challenge string `json:"challenge"` |
| 296 | AuthenticatorSelection struct { |
| 297 | ResidentKey string `json:"residentKey"` |
| 298 | } `json:"authenticatorSelection"` |
| 299 | ExcludeCredentials []struct { |
| 300 | ID string `json:"id"` |
| 301 | } `json:"excludeCredentials"` |
| 302 | } `json:"publicKey"` |
| 303 | } `json:"options"` |
| 304 | } |
| 305 | if err := json.NewDecoder(r.Body).Decode(&out); err != nil { |
| 306 | t.Fatalf("bad json: %v", err) |
| 307 | } |
| 308 | if out.Session == "" || out.Options.PublicKey.Challenge == "" { |
| 309 | t.Fatalf("begin response missing session/challenge") |
| 310 | } |
| 311 | // Login is discoverable-only, so registration must demand a resident key. |
| 312 | if out.Options.PublicKey.AuthenticatorSelection.ResidentKey != "required" { |
| 313 | t.Fatalf("residentKey: want required, got %q", out.Options.PublicKey.AuthenticatorSelection.ResidentKey) |
| 314 | } |
| 315 | |
| 316 | // With a FRESH ceremony proof, begin targets the existing account: its |
| 317 | // credentials are excluded so the same authenticator can't double-enrol. |
| 318 | uid, _ := seedUser(t, s) |
| 319 | creds, _ := s.store.credentialsFor(uid) |
| 320 | proof := s.keys.mintCeremonyProof(uid) |
| 321 | r = do(t, "POST", ts.URL+"/api/register/begin", "", map[string]string{"X-Ceremony-Proof": proof}, nil) |
| 322 | if r.StatusCode != http.StatusOK { |
| 323 | t.Fatalf("begin with proof: want 200, got %d", r.StatusCode) |
| 324 | } |
| 325 | if err := json.NewDecoder(r.Body).Decode(&out); err != nil { |
| 326 | t.Fatalf("bad json: %v", err) |
| 327 | } |
| 328 | want := base64.RawURLEncoding.EncodeToString(creds[0].ID) |
| 329 | if len(out.Options.PublicKey.ExcludeCredentials) != 1 || out.Options.PublicKey.ExcludeCredentials[0].ID != want { |
| 330 | t.Fatalf("expected the existing credential to be excluded, got %+v", out.Options.PublicKey.ExcludeCredentials) |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | // A link token must never open an add-a-passkey ceremony: an enrolled |
| 335 | // credential can mint fresh ceremony proofs, so accepting one here would |
| 336 | // escalate a stolen read/write token into full account takeover. |
| 337 | func TestRegisterBeginRefusesLinkToken(t *testing.T) { |
| 338 | ts, s := newTestServer(t) |
| 339 | _, tok := seedUser(t, s) |
| 340 | if r := do(t, "POST", ts.URL+"/api/register/begin", tok, nil, nil); r.StatusCode != http.StatusForbidden { |
| 341 | t.Fatalf("begin with link token: want 403, got %d", r.StatusCode) |
| 342 | } |
| 343 | // An unknown/garbage bearer token is refused the same way, not treated as |
| 344 | // an anonymous new enrolment. |
| 345 | if r := do(t, "POST", ts.URL+"/api/register/begin", "stolen-or-stale", nil, nil); r.StatusCode != http.StatusForbidden { |
| 346 | t.Fatalf("begin with bogus token: want 403, got %d", r.StatusCode) |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | func TestCredentialDeleteRequiresCeremony(t *testing.T) { |
| 351 | ts, s := newTestServer(t) |
| 352 | uid, tok := seedUser(t, s) |
| 353 | // A second credential, as register/finish with a fresh proof would store it. |
| 354 | second := &webauthn.Credential{ID: []byte("cred-second"), PublicKey: []byte("pk2")} |
| 355 | if err := s.store.insertCredential(uid, second); err != nil { |
| 356 | t.Fatalf("insertCredential: %v", err) |
| 357 | } |
| 358 | creds, _ := s.store.credentialsFor(uid) |
| 359 | firstID := base64.RawURLEncoding.EncodeToString(creds[0].ID) |
| 360 | secondID := base64.RawURLEncoding.EncodeToString(second.ID) |
| 361 | |
| 362 | // A link token must not remove a passkey (it reduces access). |
| 363 | if r := do(t, "DELETE", ts.URL+"/api/credentials/"+secondID, tok, nil, nil); r.StatusCode != http.StatusUnauthorized { |
| 364 | t.Fatalf("delete with link token: want 401, got %d", r.StatusCode) |
| 365 | } |
| 366 | // Nor may another user's fresh proof. |
| 367 | other, _ := seedUser(t, s) |
| 368 | otherProof := s.keys.mintCeremonyProof(other) |
| 369 | if r := do(t, "DELETE", ts.URL+"/api/credentials/"+secondID, "", map[string]string{"X-Ceremony-Proof": otherProof}, nil); r.StatusCode != http.StatusNotFound { |
| 370 | t.Fatalf("cross-user proof: want 404, got %d", r.StatusCode) |
| 371 | } |
| 372 | // A fresh proof for the owner works. |
| 373 | proof := s.keys.mintCeremonyProof(uid) |
| 374 | if r := do(t, "DELETE", ts.URL+"/api/credentials/"+secondID, "", map[string]string{"X-Ceremony-Proof": proof}, nil); r.StatusCode != http.StatusOK { |
| 375 | t.Fatalf("delete with fresh proof: want 200, got %d", r.StatusCode) |
| 376 | } |
| 377 | // The LAST credential is refused — this user has no SiwA/email anchors, so |
| 378 | // the passkey is the last sign-in method overall. (The guard evolved from |
| 379 | // last-passkey to last-method with #1089: an ANCHORED account may now shed |
| 380 | // its final passkey — that side of the matrix lives in anchors_test.go. |
| 381 | // Blob delete remains the wind-down path.) |
| 382 | if r := do(t, "DELETE", ts.URL+"/api/credentials/"+firstID, "", map[string]string{"X-Ceremony-Proof": proof}, nil); r.StatusCode != http.StatusConflict { |
| 383 | t.Fatalf("delete last credential: want 409, got %d", r.StatusCode) |
| 384 | } |
| 385 | if left, _ := s.store.credentialsFor(uid); len(left) != 1 { |
| 386 | t.Fatalf("want exactly 1 credential left, got %d", len(left)) |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | func TestFinishRejectsUnknownSession(t *testing.T) { |
| 391 | ts, _ := newTestServer(t) |
| 392 | for _, path := range []string{"/api/register/finish", "/api/login/finish"} { |
| 393 | r := do(t, "POST", ts.URL+path+"?session=nope", "", nil, []byte("{}")) |
| 394 | if r.StatusCode != http.StatusBadRequest { |
| 395 | t.Fatalf("%s: want 400, got %d", path, r.StatusCode) |
| 396 | } |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | func TestBeginEndpointsRateLimit(t *testing.T) { |
| 401 | ts, _ := newTestServer(t) |
| 402 | limited := false |
| 403 | for i := 0; i < 30; i++ { |
| 404 | r := do(t, "POST", ts.URL+"/api/register/begin", "", nil, nil) |
| 405 | if r.StatusCode == http.StatusTooManyRequests { |
| 406 | limited = true |
| 407 | break |
| 408 | } |
| 409 | } |
| 410 | if !limited { |
| 411 | t.Fatalf("register/begin never rate-limited after 30 rapid requests") |
| 412 | } |
| 413 | // The bucket is shared per IP across both ceremony begin endpoints. |
| 414 | if r := do(t, "POST", ts.URL+"/api/login/begin", "", nil, nil); r.StatusCode != http.StatusTooManyRequests { |
| 415 | t.Fatalf("login/begin should share the exhausted bucket: want 429, got %d", r.StatusCode) |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | // The enrolment popup must serve, be HTML with a locked-down CSP (frame-ancestors |
| 420 | // none — it must never be iframed), and carry no secrets (the entry payload |
| 421 | // arrives client-side in the URL fragment, so a plain GET returns a static page). |
| 422 | func TestServeEnrollPage(t *testing.T) { |
| 423 | ts, _ := newTestServer(t) |
| 424 | r := do(t, "GET", ts.URL+"/enroll", "", nil, nil) |
| 425 | if r.StatusCode != http.StatusOK { |
| 426 | t.Fatalf("GET /enroll: want 200, got %d", r.StatusCode) |
| 427 | } |
| 428 | if ct := r.Header.Get("Content-Type"); !strings.HasPrefix(ct, "text/html") { |
| 429 | t.Fatalf("/enroll content-type = %q", ct) |
| 430 | } |
| 431 | if csp := r.Header.Get("Content-Security-Policy"); !strings.Contains(csp, "frame-ancestors 'none'") || !strings.Contains(csp, "script-src 'self'") { |
| 432 | t.Fatalf("/enroll CSP too loose: %q", csp) |
| 433 | } |
| 434 | body, _ := io.ReadAll(r.Body) |
| 435 | if !strings.Contains(string(body), "/static/enroll.js") { |
| 436 | t.Fatalf("/enroll page missing enroll.js") |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | // The restore page must serve with the same locked-down CSP as the others and |
| 441 | // carry no secrets (the request rides in the URL fragment). |
| 442 | func TestServeRestorePage(t *testing.T) { |
| 443 | ts, _ := newTestServer(t) |
| 444 | r := do(t, "GET", ts.URL+"/restore", "", nil, nil) |
| 445 | if r.StatusCode != http.StatusOK { |
| 446 | t.Fatalf("GET /restore: want 200, got %d", r.StatusCode) |
| 447 | } |
| 448 | if csp := r.Header.Get("Content-Security-Policy"); !strings.Contains(csp, "frame-ancestors 'none'") || !strings.Contains(csp, "script-src 'self'") { |
| 449 | t.Fatalf("/restore CSP too loose: %q", csp) |
| 450 | } |
| 451 | body, _ := io.ReadAll(r.Body) |
| 452 | if !strings.Contains(string(body), "/static/restore.js") { |
| 453 | t.Fatalf("/restore page missing restore.js") |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | // With no LCHAT_HOME_INFRASTRUCTURE_DIR configured (the default, and every |
| 458 | // existing self-hosted deployment today), /infrastructure/ must 404 — not |
| 459 | // panic, not serve an empty directory listing. |
| 460 | func TestInfrastructureDisabledByDefault(t *testing.T) { |
| 461 | ts, _ := newTestServer(t) |
| 462 | for _, path := range []string{"/infrastructure", "/infrastructure/", "/infrastructure/index.html"} { |
| 463 | r := do(t, "GET", ts.URL+path, "", nil, nil) |
| 464 | if r.StatusCode != http.StatusNotFound { |
| 465 | t.Fatalf("GET %s with no infrastructureDir: want 404, got %d", path, r.StatusCode) |
| 466 | } |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | // With LCHAT_HOME_INFRASTRUCTURE_DIR set, /infrastructure/ serves straight |
| 471 | // from that directory — not embedded, not copied — with a strict |
| 472 | // same-origin CSP and no caching. |
| 473 | func TestServeInfrastructureFromDisk(t *testing.T) { |
| 474 | store, err := openSQLiteStore(t.TempDir() + "/home.db") |
| 475 | if err != nil { |
| 476 | t.Fatalf("openSQLiteStore: %v", err) |
| 477 | } |
| 478 | s, err := newServer(store, "http://localhost:1748", []byte("test-state-secret")) |
| 479 | if err != nil { |
| 480 | t.Fatalf("newServer: %v", err) |
| 481 | } |
| 482 | s.infrastructureDir = t.TempDir() |
| 483 | if err := os.WriteFile(s.infrastructureDir+"/index.html", []byte("<h1>planet-scale guide</h1>"), 0o644); err != nil { |
| 484 | t.Fatalf("write fixture guide page: %v", err) |
| 485 | } |
| 486 | ts := httptest.NewServer(s.handler()) |
| 487 | t.Cleanup(ts.Close) |
| 488 | |
| 489 | r := do(t, "GET", ts.URL+"/infrastructure/index.html", "", nil, nil) |
| 490 | if r.StatusCode != http.StatusOK { |
| 491 | t.Fatalf("GET /infrastructure/index.html: want 200, got %d", r.StatusCode) |
| 492 | } |
| 493 | if csp := r.Header.Get("Content-Security-Policy"); !strings.Contains(csp, "frame-ancestors 'none'") || !strings.Contains(csp, "script-src 'self'") { |
| 494 | t.Fatalf("/infrastructure CSP too loose: %q", csp) |
| 495 | } |
| 496 | if cc := r.Header.Get("Cache-Control"); cc != "no-cache" { |
| 497 | t.Fatalf("/infrastructure Cache-Control = %q, want no-cache", cc) |
| 498 | } |
| 499 | body, _ := io.ReadAll(r.Body) |
| 500 | if !strings.Contains(string(body), "planet-scale guide") { |
| 501 | t.Fatalf("/infrastructure/index.html body = %q, missing fixture content", body) |
| 502 | } |
| 503 | |
| 504 | // Bare "/infrastructure" (no trailing slash) redirects rather than |
| 505 | // 404ing or silently listing the directory. |
| 506 | noRedirect := &http.Client{CheckRedirect: func(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }} |
| 507 | resp, err := noRedirect.Get(ts.URL + "/infrastructure") |
| 508 | if err != nil { |
| 509 | t.Fatalf("GET /infrastructure: %v", err) |
| 510 | } |
| 511 | if resp.StatusCode != http.StatusMovedPermanently { |
| 512 | t.Fatalf("GET /infrastructure: want 301, got %d", resp.StatusCode) |
| 513 | } |
| 514 | if loc := resp.Header.Get("Location"); loc != "/infrastructure/" { |
| 515 | t.Fatalf("GET /infrastructure Location = %q, want /infrastructure/", loc) |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | // Path traversal must not escape infrastructureDir — http.Dir/http.FileServer |
| 520 | // already guard this, but it is exactly the kind of thing worth pinning with |
| 521 | // a test given this route serves straight off the filesystem. |
| 522 | func TestInfrastructureRejectsPathTraversal(t *testing.T) { |
| 523 | store, err := openSQLiteStore(t.TempDir() + "/home.db") |
| 524 | if err != nil { |
| 525 | t.Fatalf("openSQLiteStore: %v", err) |
| 526 | } |
| 527 | s, err := newServer(store, "http://localhost:1748", []byte("test-state-secret")) |
| 528 | if err != nil { |
| 529 | t.Fatalf("newServer: %v", err) |
| 530 | } |
| 531 | s.infrastructureDir = t.TempDir() |
| 532 | ts := httptest.NewServer(s.handler()) |
| 533 | t.Cleanup(ts.Close) |
| 534 | |
| 535 | r := do(t, "GET", ts.URL+"/infrastructure/../../../../etc/passwd", "", nil, nil) |
| 536 | if r.StatusCode == http.StatusOK { |
| 537 | t.Fatalf("GET /infrastructure/../../../../etc/passwd: want non-200, got 200") |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | // The landing page's inline pre-paint gate must be allowed by the CSP — a |
| 542 | // hardcoded script-src silently discarded it for months (the sign-in flash). |
| 543 | func TestLandingCSPAllowsInlineGate(t *testing.T) { |
| 544 | ts, s := newTestServer(t) |
| 545 | if !strings.Contains(string(s.page), "<script>") { |
| 546 | t.Skip("no inline scripts on the page") |
| 547 | } |
| 548 | resp := do(t, "GET", ts.URL+"/", "", nil, nil) |
| 549 | csp := resp.Header.Get("Content-Security-Policy") |
| 550 | if !strings.Contains(csp, "'sha256-") { |
| 551 | t.Fatalf("CSP has no inline-script hash: %q", csp) |
| 552 | } |
| 553 | if s.pageHashes == "" { |
| 554 | t.Fatalf("pageHashes empty despite inline script") |
| 555 | } |
| 556 | } |
| 557 | |
amadan