| 1 | package main |
| 2 | |
| 3 | // The vaultStore contract, tested against the interface — not any one backend. |
| 4 | // A future s3Store passes by adding one TestXxxVaultStore entry point that |
| 5 | // calls testVaultStore with its own constructor; nothing here may reach into |
| 6 | // backend internals (versions are asserted opaque: only "0" and round-tripped |
| 7 | // values are ever compared). |
| 8 | |
| 9 | import ( |
| 10 | "bytes" |
| 11 | "encoding/base64" |
| 12 | "errors" |
| 13 | "testing" |
| 14 | |
| 15 | "github.com/go-webauthn/webauthn/webauthn" |
| 16 | ) |
| 17 | |
| 18 | func TestSQLiteVaultStore(t *testing.T) { |
| 19 | testVaultStore(t, func(t *testing.T) vaultStore { |
| 20 | st, err := openSQLiteStore(t.TempDir() + "/store.db") |
| 21 | if err != nil { |
| 22 | t.Fatalf("openSQLiteStore: %v", err) |
| 23 | } |
| 24 | return st |
| 25 | }) |
| 26 | } |
| 27 | |
| 28 | // SQLite-specific: a version string the backend can't interpret at all (never |
| 29 | // one of ours) is errBadVersion, which the handler maps to 400 — distinct from |
| 30 | // a mismatch, which is a conflict. Other backends may treat garbage as a plain |
| 31 | // mismatch, so this isn't part of the shared contract. |
| 32 | func TestSQLitePutBlobBadVersion(t *testing.T) { |
| 33 | st, err := openSQLiteStore(t.TempDir() + "/store.db") |
| 34 | if err != nil { |
| 35 | t.Fatalf("openSQLiteStore: %v", err) |
| 36 | } |
| 37 | for _, bad := range []string{"abc", "-1", ""} { |
| 38 | if _, _, err := st.putBlob("u", []byte("x"), bad); !errors.Is(err, errBadVersion) { |
| 39 | t.Fatalf("putBlob(ifMatch=%q): want errBadVersion, got %v", bad, err) |
| 40 | } |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | // SQLite-specific (backdating needs SQL): last_seen bumps at most once per |
| 45 | // lastSeenGranularity — an hour-stale value stays put, a two-day-stale one |
| 46 | // refreshes. Guards the no-write-per-read property an object store depends on. |
| 47 | func TestSQLiteLastSeenCoarse(t *testing.T) { |
| 48 | st, err := openSQLiteStore(t.TempDir() + "/store.db") |
| 49 | if err != nil { |
| 50 | t.Fatalf("openSQLiteStore: %v", err) |
| 51 | } |
| 52 | if err := st.createUser("u1"); err != nil { |
| 53 | t.Fatalf("createUser: %v", err) |
| 54 | } |
| 55 | tok, err := st.createLinkToken("u1") |
| 56 | if err != nil { |
| 57 | t.Fatalf("createLinkToken: %v", err) |
| 58 | } |
| 59 | lastSeen := func() int64 { |
| 60 | var v int64 |
| 61 | if err := st.sql.QueryRow("SELECT last_seen FROM link_tokens WHERE token_hash = ?", |
| 62 | hashToken(tok)).Scan(&v); err != nil { |
| 63 | t.Fatalf("read last_seen: %v", err) |
| 64 | } |
| 65 | return v |
| 66 | } |
| 67 | backdate := func(by int64) int64 { |
| 68 | v := lastSeen() - by |
| 69 | if _, err := st.sql.Exec("UPDATE link_tokens SET last_seen = ? WHERE token_hash = ?", |
| 70 | v, hashToken(tok)); err != nil { |
| 71 | t.Fatalf("backdate: %v", err) |
| 72 | } |
| 73 | return v |
| 74 | } |
| 75 | |
| 76 | fresh := backdate(3600) // an hour stale: within granularity, must not rewrite |
| 77 | if _, ok := st.linkTokenUser(hashToken(tok)); !ok { |
| 78 | t.Fatalf("linkTokenUser: want ok") |
| 79 | } |
| 80 | if got := lastSeen(); got != fresh { |
| 81 | t.Fatalf("hour-stale last_seen rewritten: want %d, got %d", fresh, got) |
| 82 | } |
| 83 | |
| 84 | stale := backdate(2 * lastSeenGranularity) // two days stale: must refresh |
| 85 | if _, ok := st.linkTokenUser(hashToken(tok)); !ok { |
| 86 | t.Fatalf("linkTokenUser: want ok") |
| 87 | } |
| 88 | if got := lastSeen(); got <= stale { |
| 89 | t.Fatalf("two-day-stale last_seen not refreshed: still %d", got) |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | // testVaultStore runs the shared contract suite against one backend. |
| 94 | func testVaultStore(t *testing.T, newStore func(t *testing.T) vaultStore) { |
| 95 | mkCred := func(id string) *webauthn.Credential { |
| 96 | return &webauthn.Credential{ |
| 97 | ID: []byte(id), |
| 98 | PublicKey: []byte("pk-" + id), |
| 99 | Authenticator: webauthn.Authenticator{ |
| 100 | AAGUID: make([]byte, 16), |
| 101 | SignCount: 1, |
| 102 | }, |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | t.Run("BlobCAS", func(t *testing.T) { |
| 107 | st := newStore(t) |
| 108 | if _, _, found, err := st.getBlob("u1"); err != nil || found { |
| 109 | t.Fatalf("getBlob empty: want !found, got found=%v err=%v", found, err) |
| 110 | } |
| 111 | |
| 112 | // A CAS write against a version that doesn't exist yet must lose, and |
| 113 | // report the "0" sentinel as the current version. |
| 114 | if cur, conflict, err := st.putBlob("u1", []byte("x"), "5"); err != nil || !conflict || cur != "0" { |
| 115 | t.Fatalf("putBlob on empty with stale version: want conflict + current \"0\", got (%q, %v, %v)", cur, conflict, err) |
| 116 | } |
| 117 | |
| 118 | // "0" is create-only: it claims "no blob yet". |
| 119 | v1, conflict, err := st.putBlob("u1", []byte("one"), "0") |
| 120 | if err != nil || conflict { |
| 121 | t.Fatalf("create putBlob: %v conflict=%v", err, conflict) |
| 122 | } |
| 123 | if v1 == "" || v1 == "0" { |
| 124 | t.Fatalf("new version must be a non-sentinel opaque string, got %q", v1) |
| 125 | } |
| 126 | data, got, found, err := st.getBlob("u1") |
| 127 | if err != nil || !found || !bytes.Equal(data, []byte("one")) || got != v1 { |
| 128 | t.Fatalf("getBlob after create: data=%q version=%q found=%v err=%v (want version %q)", data, got, found, err, v1) |
| 129 | } |
| 130 | |
| 131 | // Once a blob exists, "0" must lose (create-only), naming the current version. |
| 132 | if cur, conflict, _ := st.putBlob("u1", []byte("race"), "0"); !conflict || cur != v1 { |
| 133 | t.Fatalf("second create: want conflict + current %q, got (%q, %v)", v1, cur, conflict) |
| 134 | } |
| 135 | // So must any stale non-current version. |
| 136 | v2, conflict, err := st.putBlob("u1", []byte("two"), v1) |
| 137 | if err != nil || conflict { |
| 138 | t.Fatalf("CAS update: %v conflict=%v", err, conflict) |
| 139 | } |
| 140 | if cur, conflict, _ := st.putBlob("u1", []byte("stale"), v1); !conflict || cur != v2 { |
| 141 | t.Fatalf("stale CAS: want conflict + current %q, got (%q, %v)", v2, cur, conflict) |
| 142 | } |
| 143 | // The loser's write never landed. |
| 144 | if data, _, _, _ := st.getBlob("u1"); !bytes.Equal(data, []byte("two")) { |
| 145 | t.Fatalf("conflicted write must not land, got %q", data) |
| 146 | } |
| 147 | |
| 148 | // Users are isolated: u1's blob says nothing about u2's. |
| 149 | if _, _, found, _ := st.getBlob("u2"); found { |
| 150 | t.Fatalf("getBlob other user: want !found") |
| 151 | } |
| 152 | }) |
| 153 | |
| 154 | t.Run("BlobKeepLastN", func(t *testing.T) { |
| 155 | st := newStore(t) |
| 156 | version := "0" |
| 157 | var wrote []string // every version handed out, oldest first |
| 158 | for i := 0; i < blobKeepVersions+2; i++ { |
| 159 | v, conflict, err := st.putBlob("u1", []byte{byte(i)}, version) |
| 160 | if err != nil || conflict { |
| 161 | t.Fatalf("put %d: %v conflict=%v", i, err, conflict) |
| 162 | } |
| 163 | version = v |
| 164 | wrote = append(wrote, v) |
| 165 | } |
| 166 | versions, err := st.listBlobVersions("u1") |
| 167 | if err != nil { |
| 168 | t.Fatalf("listBlobVersions: %v", err) |
| 169 | } |
| 170 | if len(versions) != blobKeepVersions { |
| 171 | t.Fatalf("want %d versions retained, got %d", blobKeepVersions, len(versions)) |
| 172 | } |
| 173 | // Newest first, and exactly the last blobKeepVersions writes survive. |
| 174 | for i, v := range versions { |
| 175 | if want := wrote[len(wrote)-1-i]; v != want { |
| 176 | t.Fatalf("versions[%d]: want %q, got %q", i, want, v) |
| 177 | } |
| 178 | } |
| 179 | }) |
| 180 | |
| 181 | t.Run("BlobDeleteIsPrefixDelete", func(t *testing.T) { |
| 182 | st := newStore(t) |
| 183 | version := "0" |
| 184 | for i := 0; i < 3; i++ { |
| 185 | v, _, err := st.putBlob("u1", []byte("v"), version) |
| 186 | if err != nil { |
| 187 | t.Fatalf("put: %v", err) |
| 188 | } |
| 189 | version = v |
| 190 | } |
| 191 | if err := st.deleteBlob("u1"); err != nil { |
| 192 | t.Fatalf("deleteBlob: %v", err) |
| 193 | } |
| 194 | // Every version is gone — history included. |
| 195 | if _, _, found, _ := st.getBlob("u1"); found { |
| 196 | t.Fatalf("blob still readable after delete") |
| 197 | } |
| 198 | if versions, _ := st.listBlobVersions("u1"); len(versions) != 0 { |
| 199 | t.Fatalf("history survives delete: %v", versions) |
| 200 | } |
| 201 | // And the user is back at the "0" sentinel: create-only works again. |
| 202 | if _, conflict, err := st.putBlob("u1", []byte("fresh"), "0"); err != nil || conflict { |
| 203 | t.Fatalf("re-create after delete: %v conflict=%v", err, conflict) |
| 204 | } |
| 205 | }) |
| 206 | |
| 207 | t.Run("Credentials", func(t *testing.T) { |
| 208 | st := newStore(t) |
| 209 | if err := st.createUser("u1"); err != nil { |
| 210 | t.Fatalf("createUser: %v", err) |
| 211 | } |
| 212 | if creds, err := st.credentialsFor("u1"); err != nil || len(creds) != 0 { |
| 213 | t.Fatalf("fresh user credentials: want none, got %d err=%v", len(creds), err) |
| 214 | } |
| 215 | c1, c2 := mkCred("cred-one"), mkCred("cred-two") |
| 216 | if err := st.insertCredential("u1", c1); err != nil { |
| 217 | t.Fatalf("insertCredential: %v", err) |
| 218 | } |
| 219 | if err := st.insertCredential("u1", c2); err != nil { |
| 220 | t.Fatalf("insertCredential: %v", err) |
| 221 | } |
| 222 | creds, err := st.credentialsFor("u1") |
| 223 | if err != nil || len(creds) != 2 { |
| 224 | t.Fatalf("credentialsFor: want 2, got %d err=%v", len(creds), err) |
| 225 | } |
| 226 | // Enrolment order, with public keys intact. |
| 227 | if !bytes.Equal(creds[0].ID, c1.ID) || !bytes.Equal(creds[1].ID, c2.ID) || |
| 228 | !bytes.Equal(creds[0].PublicKey, c1.PublicKey) { |
| 229 | t.Fatalf("credentials round-trip mismatch: %+v", creds) |
| 230 | } |
| 231 | |
| 232 | // updateCredential persists post-ceremony state, located by credential id. |
| 233 | c1.Authenticator.SignCount = 42 |
| 234 | if err := st.updateCredential(c1); err != nil { |
| 235 | t.Fatalf("updateCredential: %v", err) |
| 236 | } |
| 237 | creds, _ = st.credentialsFor("u1") |
| 238 | if creds[0].Authenticator.SignCount != 42 { |
| 239 | t.Fatalf("sign count not persisted: %d", creds[0].Authenticator.SignCount) |
| 240 | } |
| 241 | }) |
| 242 | |
| 243 | t.Run("CredentialPointer", func(t *testing.T) { |
| 244 | st := newStore(t) |
| 245 | st.createUser("u1") |
| 246 | st.insertCredential("u1", mkCred("cred-one")) |
| 247 | credID := b64CredID("cred-one") |
| 248 | if uid, ok := st.credentialUser(credID); !ok || uid != "u1" { |
| 249 | t.Fatalf("credentialUser: want (u1, true), got (%q, %v)", uid, ok) |
| 250 | } |
| 251 | if _, ok := st.credentialUser("nope"); ok { |
| 252 | t.Fatalf("credentialUser unknown id: want !ok") |
| 253 | } |
| 254 | }) |
| 255 | |
| 256 | t.Run("DeleteCredentialLastGuard", func(t *testing.T) { |
| 257 | st := newStore(t) |
| 258 | st.createUser("u1") |
| 259 | st.insertCredential("u1", mkCred("cred-one")) |
| 260 | st.insertCredential("u1", mkCred("cred-two")) |
| 261 | one, two := b64CredID("cred-one"), b64CredID("cred-two") |
| 262 | |
| 263 | // Unknown id — and someone else's id — is (false, false). |
| 264 | if deleted, last, err := st.deleteCredential("u1", "nope"); deleted || last || err != nil { |
| 265 | t.Fatalf("delete unknown: want (false,false), got (%v,%v,%v)", deleted, last, err) |
| 266 | } |
| 267 | if deleted, last, err := st.deleteCredential("u2", one); deleted || last || err != nil { |
| 268 | t.Fatalf("delete cross-user: want (false,false), got (%v,%v,%v)", deleted, last, err) |
| 269 | } |
| 270 | // With two enrolled, one may go… |
| 271 | if deleted, last, err := st.deleteCredential("u1", two); !deleted || last || err != nil { |
| 272 | t.Fatalf("delete second: want (true,false), got (%v,%v,%v)", deleted, last, err) |
| 273 | } |
| 274 | // …and the pointer must stop resolving (never authoritative). |
| 275 | if _, ok := st.credentialUser(two); ok { |
| 276 | t.Fatalf("revoked credential pointer still resolves") |
| 277 | } |
| 278 | // The LAST credential is refused, and nothing is deleted. |
| 279 | if deleted, last, err := st.deleteCredential("u1", one); deleted || !last || err != nil { |
| 280 | t.Fatalf("delete last: want (false,true), got (%v,%v,%v)", deleted, last, err) |
| 281 | } |
| 282 | if creds, _ := st.credentialsFor("u1"); len(creds) != 1 { |
| 283 | t.Fatalf("last-guard must leave the credential in place, got %d", len(creds)) |
| 284 | } |
| 285 | }) |
| 286 | |
| 287 | t.Run("LinkTokens", func(t *testing.T) { |
| 288 | st := newStore(t) |
| 289 | st.createUser("u1") |
| 290 | tok1, err := st.createLinkToken("u1") |
| 291 | if err != nil || tok1 == "" { |
| 292 | t.Fatalf("createLinkToken: %q %v", tok1, err) |
| 293 | } |
| 294 | tok2, _ := st.createLinkToken("u1") |
| 295 | |
| 296 | // Resolution is by HASH — the tokens/<sha256> pointer. |
| 297 | if uid, ok := st.linkTokenUser(hashToken(tok1)); !ok || uid != "u1" { |
| 298 | t.Fatalf("linkTokenUser: want (u1, true), got (%q, %v)", uid, ok) |
| 299 | } |
| 300 | // The plaintext itself must NOT be a key (the store holds only hashes). |
| 301 | if _, ok := st.linkTokenUser(tok1); ok { |
| 302 | t.Fatalf("plaintext token resolved — store must be keyed by hash") |
| 303 | } |
| 304 | if _, ok := st.linkTokenUser(hashToken("wrong")); ok { |
| 305 | t.Fatalf("unknown token hash resolved") |
| 306 | } |
| 307 | |
| 308 | devices, err := st.listDevices("u1") |
| 309 | if err != nil || len(devices) != 2 { |
| 310 | t.Fatalf("listDevices: want 2, got %d err=%v", len(devices), err) |
| 311 | } |
| 312 | for _, d := range devices { |
| 313 | if d.ID == "" || d.CreatedAt == 0 || d.LastSeen == 0 { |
| 314 | t.Fatalf("device metadata incomplete: %+v", d) |
| 315 | } |
| 316 | // A device id names a token without deriving from it. |
| 317 | if d.ID == tok1 || d.ID == tok2 || d.ID == hashToken(tok1) || d.ID == hashToken(tok2) { |
| 318 | t.Fatalf("device id derived from token value") |
| 319 | } |
| 320 | } |
| 321 | if id := st.linkTokenID(hashToken(tok1)); id != devices[0].ID && id != devices[1].ID { |
| 322 | t.Fatalf("linkTokenID: %q not among device ids", id) |
| 323 | } |
| 324 | if st.linkTokenID(hashToken("wrong")) != "" { |
| 325 | t.Fatalf("linkTokenID unknown hash: want \"\"") |
| 326 | } |
| 327 | }) |
| 328 | |
| 329 | t.Run("DeleteDeviceRevokes", func(t *testing.T) { |
| 330 | st := newStore(t) |
| 331 | st.createUser("u1") |
| 332 | tok, _ := st.createLinkToken("u1") |
| 333 | id := st.linkTokenID(hashToken(tok)) |
| 334 | |
| 335 | // Someone else can't revoke it. |
| 336 | if ok, err := st.deleteDevice("u2", id); ok || err != nil { |
| 337 | t.Fatalf("cross-user deleteDevice: want false, got %v err=%v", ok, err) |
| 338 | } |
| 339 | if ok, err := st.deleteDevice("u1", "nope"); ok || err != nil { |
| 340 | t.Fatalf("unknown deleteDevice: want false, got %v err=%v", ok, err) |
| 341 | } |
| 342 | if ok, err := st.deleteDevice("u1", id); !ok || err != nil { |
| 343 | t.Fatalf("deleteDevice: want true, got %v err=%v", ok, err) |
| 344 | } |
| 345 | // Revocation must be effective at resolution time — a stale pointer left |
| 346 | // behind by a backend must deny, not resolve. |
| 347 | if _, ok := st.linkTokenUser(hashToken(tok)); ok { |
| 348 | t.Fatalf("revoked token still resolves") |
| 349 | } |
| 350 | if devices, _ := st.listDevices("u1"); len(devices) != 0 { |
| 351 | t.Fatalf("revoked device still listed") |
| 352 | } |
| 353 | }) |
| 354 | |
| 355 | t.Run("AnchorListing", func(t *testing.T) { |
| 356 | st := newStore(t) |
| 357 | st.createUser("u1") |
| 358 | st.insertCredential("u1", mkCred("cred-one")) |
| 359 | if conflict, err := st.insertSiwaAnchor("u1", "subhash-1"); conflict || err != nil { |
| 360 | t.Fatalf("insertSiwaAnchor: conflict=%v err=%v", conflict, err) |
| 361 | } |
| 362 | if conflict, err := st.insertEmailAnchor("u1", "emailhash-1"); conflict || err != nil { |
| 363 | t.Fatalf("insertEmailAnchor: conflict=%v err=%v", conflict, err) |
| 364 | } |
| 365 | |
| 366 | meta, err := st.listCredentialMeta("u1") |
| 367 | if err != nil || len(meta) != 1 { |
| 368 | t.Fatalf("listCredentialMeta: want 1, got %d err=%v", len(meta), err) |
| 369 | } |
| 370 | if meta[0].ID != b64CredID("cred-one") || meta[0].CreatedAt == 0 { |
| 371 | t.Fatalf("credential meta: %+v", meta[0]) |
| 372 | } |
| 373 | siwa, err := st.listSiwaAnchors("u1") |
| 374 | if err != nil || len(siwa) != 1 || siwa[0].ID != "subhash-1" || siwa[0].CreatedAt == 0 { |
| 375 | t.Fatalf("listSiwaAnchors: %+v err=%v", siwa, err) |
| 376 | } |
| 377 | email, err := st.listEmailAnchors("u1") |
| 378 | if err != nil || len(email) != 1 || email[0].ID != "emailhash-1" || email[0].CreatedAt == 0 { |
| 379 | t.Fatalf("listEmailAnchors: %+v err=%v", email, err) |
| 380 | } |
| 381 | // Listings are per-user, empty (not an error) for an unknown one. |
| 382 | if rows, err := st.listSiwaAnchors("u2"); err != nil || len(rows) != 0 { |
| 383 | t.Fatalf("other user's siwa anchors: %+v err=%v", rows, err) |
| 384 | } |
| 385 | }) |
| 386 | |
| 387 | t.Run("DeleteAnchorLastMethodGuard", func(t *testing.T) { |
| 388 | st := newStore(t) |
| 389 | st.createUser("u1") |
| 390 | st.insertCredential("u1", mkCred("cred-one")) |
| 391 | st.insertSiwaAnchor("u1", "subhash-1") |
| 392 | st.insertEmailAnchor("u1", "emailhash-1") |
| 393 | |
| 394 | // Unknown — and someone else's — hash is (false, false). |
| 395 | if deleted, last, err := st.deleteSiwaAnchor("u1", "nope"); deleted || last || err != nil { |
| 396 | t.Fatalf("delete unknown siwa: want (false,false), got (%v,%v,%v)", deleted, last, err) |
| 397 | } |
| 398 | if deleted, last, err := st.deleteSiwaAnchor("u2", "subhash-1"); deleted || last || err != nil { |
| 399 | t.Fatalf("delete cross-user siwa: want (false,false), got (%v,%v,%v)", deleted, last, err) |
| 400 | } |
| 401 | // Three methods: the siwa anchor may go… |
| 402 | if deleted, last, err := st.deleteSiwaAnchor("u1", "subhash-1"); !deleted || last || err != nil { |
| 403 | t.Fatalf("delete siwa: want (true,false), got (%v,%v,%v)", deleted, last, err) |
| 404 | } |
| 405 | // …and stops resolving (a stale pointer must deny, never resolve). |
| 406 | if _, ok := st.siwaUser("subhash-1"); ok { |
| 407 | t.Fatalf("removed siwa anchor still resolves") |
| 408 | } |
| 409 | // A removed identifier is genuinely free: the same sub may anchor a |
| 410 | // DIFFERENT account afterwards (unlink-then-relink-elsewhere). |
| 411 | st.createUser("u2") |
| 412 | if conflict, err := st.insertSiwaAnchor("u2", "subhash-1"); conflict || err != nil { |
| 413 | t.Fatalf("re-anchor removed sub: conflict=%v err=%v", conflict, err) |
| 414 | } |
| 415 | if uid, ok := st.siwaUser("subhash-1"); !ok || uid != "u2" { |
| 416 | t.Fatalf("re-anchored sub: want (u2, true), got (%q, %v)", uid, ok) |
| 417 | } |
| 418 | |
| 419 | // Two methods left on u1 (passkey + email): the email anchor may go… |
| 420 | if deleted, last, err := st.deleteEmailAnchor("u1", "emailhash-1"); !deleted || last || err != nil { |
| 421 | t.Fatalf("delete email: want (true,false), got (%v,%v,%v)", deleted, last, err) |
| 422 | } |
| 423 | if _, ok := st.emailUser("emailhash-1"); ok { |
| 424 | t.Fatalf("removed email anchor still resolves") |
| 425 | } |
| 426 | // …leaving the passkey as the LAST method, which is refused. |
| 427 | if deleted, last, err := st.deleteCredential("u1", b64CredID("cred-one")); deleted || !last || err != nil { |
| 428 | t.Fatalf("delete last method: want (false,true), got (%v,%v,%v)", deleted, last, err) |
| 429 | } |
| 430 | }) |
| 431 | |
| 432 | t.Run("LastPasskeyMayGoWhenAnchored", func(t *testing.T) { |
| 433 | // The rule evolution (#1089): last-PASSKEY became last-METHOD — an |
| 434 | // account holding an email (or SiwA) anchor may shed its final |
| 435 | // passkey; only a removal that would leave ZERO ways in is refused. |
| 436 | st := newStore(t) |
| 437 | st.createUser("u1") |
| 438 | st.insertCredential("u1", mkCred("cred-one")) |
| 439 | st.insertEmailAnchor("u1", "emailhash-1") |
| 440 | if deleted, last, err := st.deleteCredential("u1", b64CredID("cred-one")); !deleted || last || err != nil { |
| 441 | t.Fatalf("delete last passkey with email anchor: want (true,false), got (%v,%v,%v)", deleted, last, err) |
| 442 | } |
| 443 | if _, ok := st.credentialUser(b64CredID("cred-one")); ok { |
| 444 | t.Fatalf("removed credential still resolves") |
| 445 | } |
| 446 | // The email anchor is now the last method: refused. |
| 447 | if deleted, last, err := st.deleteEmailAnchor("u1", "emailhash-1"); deleted || !last || err != nil { |
| 448 | t.Fatalf("delete last email anchor: want (false,true), got (%v,%v,%v)", deleted, last, err) |
| 449 | } |
| 450 | // A siwa anchor as the only method is refused the same way. |
| 451 | st.createUser("u2") |
| 452 | st.insertSiwaAnchor("u2", "subhash-2") |
| 453 | if deleted, last, err := st.deleteSiwaAnchor("u2", "subhash-2"); deleted || !last || err != nil { |
| 454 | t.Fatalf("delete last siwa anchor: want (false,true), got (%v,%v,%v)", deleted, last, err) |
| 455 | } |
| 456 | }) |
| 457 | |
| 458 | t.Run("OidcAnchors", func(t *testing.T) { |
| 459 | // The provider-table anchors (#1112): the siwa semantics with the |
| 460 | // provider name beside the hash — provider-scoped resolution and |
| 461 | // listing, the same idempotence/conflict rules, the same last-method |
| 462 | // guard, the same re-anchor-after-removal freedom. |
| 463 | st := newStore(t) |
| 464 | st.createUser("u1") |
| 465 | st.insertCredential("u1", mkCred("cred-one")) |
| 466 | if conflict, err := st.insertOidcAnchor("u1", "google", "ghash-1"); conflict || err != nil { |
| 467 | t.Fatalf("insertOidcAnchor: conflict=%v err=%v", conflict, err) |
| 468 | } |
| 469 | if uid, ok := st.oidcUser("google", "ghash-1"); !ok || uid != "u1" { |
| 470 | t.Fatalf("oidcUser: want (u1, true), got (%q, %v)", uid, ok) |
| 471 | } |
| 472 | // The SAME hash under the other provider is a different anchor |
| 473 | // entirely — nothing resolves, and claiming it conflicts with no one. |
| 474 | if _, ok := st.oidcUser("microsoft", "ghash-1"); ok { |
| 475 | t.Fatalf("hash resolves across providers") |
| 476 | } |
| 477 | // Idempotent for the same user; conflict for a different one. |
| 478 | if conflict, err := st.insertOidcAnchor("u1", "google", "ghash-1"); conflict || err != nil { |
| 479 | t.Fatalf("re-insert: conflict=%v err=%v", conflict, err) |
| 480 | } |
| 481 | st.createUser("u2") |
| 482 | if conflict, err := st.insertOidcAnchor("u2", "google", "ghash-1"); !conflict || err != nil { |
| 483 | t.Fatalf("cross-user insert: want conflict, got conflict=%v err=%v", conflict, err) |
| 484 | } |
| 485 | |
| 486 | // Listing is provider-scoped, (id, created_at) shaped. |
| 487 | st.insertOidcAnchor("u1", "microsoft", "mhash-1") |
| 488 | g, err := st.listOidcAnchors("u1", "google") |
| 489 | if err != nil || len(g) != 1 || g[0].ID != "ghash-1" || g[0].CreatedAt == 0 { |
| 490 | t.Fatalf("listOidcAnchors google: %+v err=%v", g, err) |
| 491 | } |
| 492 | if m, err := st.listOidcAnchors("u1", "microsoft"); err != nil || len(m) != 1 || m[0].ID != "mhash-1" { |
| 493 | t.Fatalf("listOidcAnchors microsoft: %+v err=%v", m, err) |
| 494 | } |
| 495 | if rows, err := st.listOidcAnchors("u2", "google"); err != nil || len(rows) != 0 { |
| 496 | t.Fatalf("other user's oidc anchors: %+v err=%v", rows, err) |
| 497 | } |
| 498 | |
| 499 | // Unknown and cross-user (and cross-provider) deletes are (false,false). |
| 500 | if deleted, last, err := st.deleteOidcAnchor("u1", "google", "nope"); deleted || last || err != nil { |
| 501 | t.Fatalf("delete unknown: got (%v,%v,%v)", deleted, last, err) |
| 502 | } |
| 503 | if deleted, last, err := st.deleteOidcAnchor("u2", "google", "ghash-1"); deleted || last || err != nil { |
| 504 | t.Fatalf("delete cross-user: got (%v,%v,%v)", deleted, last, err) |
| 505 | } |
| 506 | if deleted, last, err := st.deleteOidcAnchor("u1", "microsoft", "ghash-1"); deleted || last || err != nil { |
| 507 | t.Fatalf("delete cross-provider: got (%v,%v,%v)", deleted, last, err) |
| 508 | } |
| 509 | |
| 510 | // Three methods on u1 (passkey + google + microsoft): the google |
| 511 | // anchor may go, stops resolving, and its identifier is genuinely |
| 512 | // free — the same (provider, sub) may anchor a different account. |
| 513 | if deleted, last, err := st.deleteOidcAnchor("u1", "google", "ghash-1"); !deleted || last || err != nil { |
| 514 | t.Fatalf("delete google anchor: got (%v,%v,%v)", deleted, last, err) |
| 515 | } |
| 516 | if _, ok := st.oidcUser("google", "ghash-1"); ok { |
| 517 | t.Fatalf("removed oidc anchor still resolves") |
| 518 | } |
| 519 | if conflict, err := st.insertOidcAnchor("u2", "google", "ghash-1"); conflict || err != nil { |
| 520 | t.Fatalf("re-anchor removed hash: conflict=%v err=%v", conflict, err) |
| 521 | } |
| 522 | if uid, ok := st.oidcUser("google", "ghash-1"); !ok || uid != "u2" { |
| 523 | t.Fatalf("re-anchored hash: want (u2, true), got (%q, %v)", uid, ok) |
| 524 | } |
| 525 | |
| 526 | // The guard counts oidc anchors: u1's passkey may go while the |
| 527 | // microsoft anchor holds the account, and then that anchor — the |
| 528 | // last way in — is refused. |
| 529 | if deleted, last, err := st.deleteCredential("u1", b64CredID("cred-one")); !deleted || last || err != nil { |
| 530 | t.Fatalf("shed passkey beside oidc anchor: got (%v,%v,%v)", deleted, last, err) |
| 531 | } |
| 532 | if deleted, last, err := st.deleteOidcAnchor("u1", "microsoft", "mhash-1"); deleted || !last || err != nil { |
| 533 | t.Fatalf("delete last oidc anchor: want (false,true), got (%v,%v,%v)", deleted, last, err) |
| 534 | } |
| 535 | }) |
| 536 | |
| 537 | t.Run("MergeAccounts", func(t *testing.T) { |
| 538 | // The account merge (#1098): everything that signs in moves from the |
| 539 | // absorbed account to the survivor, resolution follows, and the |
| 540 | // absorbed account's listings empty out. The blob belt, the |
| 541 | // same-account refusal, and the zero-count retry are contract too. |
| 542 | st := newStore(t) |
| 543 | st.createUser("u1") |
| 544 | st.insertCredential("u1", mkCred("cred-surv")) |
| 545 | survTok, err := st.createLinkToken("u1") |
| 546 | if err != nil { |
| 547 | t.Fatalf("createLinkToken survivor: %v", err) |
| 548 | } |
| 549 | if _, conflict, err := st.putBlob("u1", []byte("survivor-vault"), "0"); err != nil || conflict { |
| 550 | t.Fatalf("survivor putBlob: %v conflict=%v", err, conflict) |
| 551 | } |
| 552 | st.createUser("u2") |
| 553 | st.insertCredential("u2", mkCred("cred-abs")) |
| 554 | absTok1, _ := st.createLinkToken("u2") |
| 555 | absTok2, _ := st.createLinkToken("u2") |
| 556 | st.insertSiwaAnchor("u2", "merge-siwa") |
| 557 | st.insertEmailAnchor("u2", "merge-email") |
| 558 | st.insertOidcAnchor("u2", "google", "merge-google") |
| 559 | |
| 560 | // Belt: an absorbed account still holding a blob refuses, moving nothing. |
| 561 | if _, conflict, err := st.putBlob("u2", []byte("not-yet-moved"), "0"); err != nil || conflict { |
| 562 | t.Fatalf("absorbed putBlob: %v conflict=%v", err, conflict) |
| 563 | } |
| 564 | if _, err := st.mergeAccounts("u1", "u2"); !errors.Is(err, errAbsorbedHasBlob) { |
| 565 | t.Fatalf("merge with blob present: want errAbsorbedHasBlob, got %v", err) |
| 566 | } |
| 567 | if uid, ok := st.siwaUser("merge-siwa"); !ok || uid != "u2" { |
| 568 | t.Fatalf("refused merge moved an anchor: (%q, %v)", uid, ok) |
| 569 | } |
| 570 | // Same-account merge is a hard error (it would retire the account itself). |
| 571 | if _, err := st.mergeAccounts("u1", "u1"); err == nil { |
| 572 | t.Fatalf("same-account merge: want error") |
| 573 | } |
| 574 | |
| 575 | // The client-first ordering: absorbed blob deleted, then merge. |
| 576 | if err := st.deleteBlob("u2"); err != nil { |
| 577 | t.Fatalf("deleteBlob: %v", err) |
| 578 | } |
| 579 | moved, err := st.mergeAccounts("u1", "u2") |
| 580 | if err != nil { |
| 581 | t.Fatalf("mergeAccounts: %v", err) |
| 582 | } |
| 583 | if moved.Anchors != 3 || moved.Passkeys != 1 || moved.Devices != 2 { |
| 584 | t.Fatalf("moved counts: want {3 1 2}, got %+v", moved) |
| 585 | } |
| 586 | |
| 587 | // Every identifier now resolves to the survivor… |
| 588 | if uid, ok := st.siwaUser("merge-siwa"); !ok || uid != "u1" { |
| 589 | t.Fatalf("merged siwa anchor: want (u1, true), got (%q, %v)", uid, ok) |
| 590 | } |
| 591 | if uid, ok := st.emailUser("merge-email"); !ok || uid != "u1" { |
| 592 | t.Fatalf("merged email anchor: want (u1, true), got (%q, %v)", uid, ok) |
| 593 | } |
| 594 | if uid, ok := st.oidcUser("google", "merge-google"); !ok || uid != "u1" { |
| 595 | t.Fatalf("merged oidc anchor: want (u1, true), got (%q, %v)", uid, ok) |
| 596 | } |
| 597 | if uid, ok := st.credentialUser(b64CredID("cred-abs")); !ok || uid != "u1" { |
| 598 | t.Fatalf("merged credential: want (u1, true), got (%q, %v)", uid, ok) |
| 599 | } |
| 600 | // …including the absorbed devices' link tokens (they keep working, |
| 601 | // now signed into the survivor). |
| 602 | for _, tok := range []string{absTok1, absTok2} { |
| 603 | if uid, ok := st.linkTokenUser(hashToken(tok)); !ok || uid != "u1" { |
| 604 | t.Fatalf("merged link token: want (u1, true), got (%q, %v)", uid, ok) |
| 605 | } |
| 606 | } |
| 607 | // The survivor's own token and blob are untouched. |
| 608 | if uid, ok := st.linkTokenUser(hashToken(survTok)); !ok || uid != "u1" { |
| 609 | t.Fatalf("survivor link token: want (u1, true), got (%q, %v)", uid, ok) |
| 610 | } |
| 611 | if data, _, found, _ := st.getBlob("u1"); !found || !bytes.Equal(data, []byte("survivor-vault")) { |
| 612 | t.Fatalf("survivor blob touched by merge: found=%v data=%q", found, data) |
| 613 | } |
| 614 | // The survivor lists everything; creation times ride along. |
| 615 | if creds, _ := st.credentialsFor("u1"); len(creds) != 2 { |
| 616 | t.Fatalf("survivor credentials: want 2, got %d", len(creds)) |
| 617 | } |
| 618 | if devices, _ := st.listDevices("u1"); len(devices) != 3 { |
| 619 | t.Fatalf("survivor devices: want 3, got %d", len(devices)) |
| 620 | } |
| 621 | if siwa, _ := st.listSiwaAnchors("u1"); len(siwa) != 1 || siwa[0].ID != "merge-siwa" || siwa[0].CreatedAt == 0 { |
| 622 | t.Fatalf("survivor siwa listing: %+v", siwa) |
| 623 | } |
| 624 | // The absorbed account's listings are empty. |
| 625 | if creds, _ := st.credentialsFor("u2"); len(creds) != 0 { |
| 626 | t.Fatalf("absorbed credentials remain: %d", len(creds)) |
| 627 | } |
| 628 | if devices, _ := st.listDevices("u2"); len(devices) != 0 { |
| 629 | t.Fatalf("absorbed devices remain: %d", len(devices)) |
| 630 | } |
| 631 | if rows, _ := st.listEmailAnchors("u2"); len(rows) != 0 { |
| 632 | t.Fatalf("absorbed email anchors remain: %+v", rows) |
| 633 | } |
| 634 | |
| 635 | // A retry (the absorb proof outlives the deleted account) is a |
| 636 | // zero-count success, never an error. |
| 637 | if again, err := st.mergeAccounts("u1", "u2"); err != nil || again != (mergeMoved{}) { |
| 638 | t.Fatalf("retried merge: want zero counts, got %+v err=%v", again, err) |
| 639 | } |
| 640 | }) |
| 641 | |
| 642 | // Ceremony proofs deliberately have no contract entry: they left the store |
| 643 | // entirely — stateless HMAC tokens, tested in stateless_test.go. |
| 644 | } |
| 645 | |
| 646 | // b64CredID renders a raw credential id the way stores key it (base64url, |
| 647 | // matching webauthn.Credential JSON round-trips). |
| 648 | func b64CredID(raw string) string { |
| 649 | return base64.RawURLEncoding.EncodeToString([]byte(raw)) |
| 650 | } |
| 651 | |
amadan