| 1 | package console |
| 2 | |
| 3 | // The ledger CLI API (apiledger.go): the ONLY write path to ledgers/ from |
| 4 | // outside a box. The properties that matter, in the order they'd hurt if |
| 5 | // lost: the writer stamped on an entry is the AUTHENTICATED identity and |
| 6 | // nothing a client sent, every route is member-gated through apiAccountApp |
| 7 | // (so an unknown account and someone else's are the identical 404), and the |
| 8 | // caps — 64 KiB payload, 4 MiB blob, a validated ledger name — are enforced |
| 9 | // before anything touches the store. |
| 10 | |
| 11 | import ( |
| 12 | "bytes" |
| 13 | "context" |
| 14 | "encoding/json" |
| 15 | "errors" |
| 16 | "fmt" |
| 17 | "io" |
| 18 | "net/http" |
| 19 | "slices" |
| 20 | "strings" |
| 21 | "testing" |
| 22 | "time" |
| 23 | |
| 24 | "github.com/carlosframework/platform/internal/ledger" |
| 25 | "github.com/carlosframework/platform/internal/release" |
| 26 | ) |
| 27 | |
| 28 | // postBody is postJSON's raw-body cousin: these tests send bodies that are |
| 29 | // deliberately not round-trippable through json.Marshal (an oversize |
| 30 | // payload, a body carrying a field the server must ignore), and read the |
| 31 | // response as bytes so it can be decoded into a typed struct. |
| 32 | func postBody(t *testing.T, u, bearer, body string) (int, []byte) { |
| 33 | t.Helper() |
| 34 | req, err := http.NewRequest(http.MethodPost, u, strings.NewReader(body)) |
| 35 | if err != nil { |
| 36 | t.Fatal(err) |
| 37 | } |
| 38 | req.Header.Set("Content-Type", "application/json") |
| 39 | if bearer != "" { |
| 40 | req.Header.Set("Authorization", "Bearer "+bearer) |
| 41 | } |
| 42 | res, err := http.DefaultClient.Do(req) |
| 43 | if err != nil { |
| 44 | t.Fatal(err) |
| 45 | } |
| 46 | defer res.Body.Close() |
| 47 | out, err := io.ReadAll(res.Body) |
| 48 | if err != nil { |
| 49 | t.Fatal(err) |
| 50 | } |
| 51 | return res.StatusCode, out |
| 52 | } |
| 53 | |
| 54 | // ledgerFixture is a console with titogo claimed in the ops account and a |
| 55 | // MEMBER (not owner) token for it — member-level is exactly the gate this |
| 56 | // API grants, the same one promote uses. |
| 57 | func ledgerFixture(t *testing.T, code string) (*consoleFixture, string) { |
| 58 | t.Helper() |
| 59 | fx := newConsoleFixture(t) |
| 60 | now := time.Now() |
| 61 | if _, err := fx.st.CreateAppIn(OpsAccountID, "titogo", "paul@keymail.dev", now); err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | if err := fx.st.AddMember(OpsAccountID, "alice@keymail.dev", RoleMember, now); err != nil { |
| 65 | t.Fatal(err) |
| 66 | } |
| 67 | return fx, cliToken(t, fx, "alice@keymail.dev", code) |
| 68 | } |
| 69 | |
| 70 | // TestAPILedgerAppendAndHead: an append round-trips through HEAD, and the |
| 71 | // writer on the stored entry is the token's identity — never anything the |
| 72 | // client put in the body (the request below tries to set one). |
| 73 | func TestAPILedgerAppendAndHead(t *testing.T) { |
| 74 | fx, token := ledgerFixture(t, "code-ledger-append") |
| 75 | |
| 76 | status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", token, |
| 77 | `{"payload":{"kg_central":1},"writer":"attacker@example.com"}`) |
| 78 | if status != http.StatusOK { |
| 79 | t.Fatalf("append = %d %s", status, out) |
| 80 | } |
| 81 | var a ledger.Appended |
| 82 | if err := json.Unmarshal(out, &a); err != nil { |
| 83 | t.Fatalf("append body %s: %v", out, err) |
| 84 | } |
| 85 | if a.Count != 1 || a.Key == "" || a.SHA256 == "" { |
| 86 | t.Fatalf("append = %+v, want count 1 with a key and sha", a) |
| 87 | } |
| 88 | |
| 89 | status, body := getRaw(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/head", token) |
| 90 | if status != http.StatusOK { |
| 91 | t.Fatalf("head = %d %s", status, body) |
| 92 | } |
| 93 | var h ledger.Head |
| 94 | if err := json.Unmarshal([]byte(body), &h); err != nil { |
| 95 | t.Fatalf("head body %s: %v", body, err) |
| 96 | } |
| 97 | if h.HeadKey != a.Key || h.HeadSHA256 != a.SHA256 || h.Count != 1 { |
| 98 | t.Fatalf("head = %+v, want it to name the appended entry %+v", h, a) |
| 99 | } |
| 100 | |
| 101 | // The writer is the token's identity, stamped server-side. The body's |
| 102 | // own "writer" field must have gone nowhere. |
| 103 | eb, _, err := fx.rel.Get(context.Background(), a.Key) |
| 104 | if err != nil { |
| 105 | t.Fatalf("stored entry %s: %v", a.Key, err) |
| 106 | } |
| 107 | var e ledger.Entry |
| 108 | if err := json.Unmarshal(eb, &e); err != nil { |
| 109 | t.Fatal(err) |
| 110 | } |
| 111 | if e.Writer != "alice@keymail.dev" { |
| 112 | t.Fatalf("entry writer = %q, want the authenticated identity alice@keymail.dev (%+v)", e.Writer, e) |
| 113 | } |
| 114 | if bytes.Contains(eb, []byte("attacker@example.com")) { |
| 115 | t.Fatalf("stored entry carries a client-supplied writer: %s", eb) |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | // TestAPILedgerAuthz: no token is the same 401 every CLI door gives, and a |
| 120 | // non-member — whether the account is one they don't belong to or an app it |
| 121 | // never claimed — gets the byte-identical 404 apiAccountApp already |
| 122 | // produces, on the WRITE routes too. |
| 123 | func TestAPILedgerAuthz(t *testing.T) { |
| 124 | fx, _ := ledgerFixture(t, "code-ledger-authz") |
| 125 | |
| 126 | status, _ := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", "", |
| 127 | `{"payload":1}`) |
| 128 | if status != http.StatusUnauthorized { |
| 129 | t.Fatalf("append with no token = %d, want 401", status) |
| 130 | } |
| 131 | |
| 132 | // (a) member of nothing, probing a real account+app. |
| 133 | eve := cliToken(t, fx, "eve@keymail.dev", "code-ledger-eve") |
| 134 | statusA, bodyA := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", eve, |
| 135 | `{"payload":1}`) |
| 136 | if statusA != http.StatusNotFound { |
| 137 | t.Fatalf("append as non-member = %d, want 404", statusA) |
| 138 | } |
| 139 | // (b) member of bab, but an app it never claimed. |
| 140 | if err := fx.st.AddMember(OpsAccountID, "frank@keymail.dev", RoleMember, time.Now()); err != nil { |
| 141 | t.Fatal(err) |
| 142 | } |
| 143 | frank := cliToken(t, fx, "frank@keymail.dev", "code-ledger-frank") |
| 144 | statusB, bodyB := postBody(t, fx.ts.URL+"/api/cli/apps/bab/ghost-app/ledgers/carbon/append", frank, |
| 145 | `{"payload":1}`) |
| 146 | if statusB != http.StatusNotFound { |
| 147 | t.Fatalf("append against an unclaimed app = %d, want 404", statusB) |
| 148 | } |
| 149 | if !bytes.Equal(bodyA, bodyB) { |
| 150 | t.Fatalf("the two refusals are not byte-identical:\n(a) %q\n(b) %q", bodyA, bodyB) |
| 151 | } |
| 152 | if string(bodyA) != "404 page not found\n" { |
| 153 | t.Fatalf("refusal body = %q, want the stdlib http.NotFound output", bodyA) |
| 154 | } |
| 155 | |
| 156 | // Nothing was written by any of the refused calls. |
| 157 | if _, _, err := fx.rel.Get(context.Background(), ledger.HeadKey("bab", "titogo", "carbon")); err == nil { |
| 158 | t.Fatalf("a ledger HEAD exists after only refused appends, want none") |
| 159 | } |
| 160 | |
| 161 | // The read routes refuse identically. |
| 162 | if st, body := getRaw(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers", eve); st != http.StatusNotFound || body != "404 page not found\n" { |
| 163 | t.Fatalf("list as non-member = %d %q, want the identical 404", st, body) |
| 164 | } |
| 165 | if st, body := getRaw(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/head", eve); st != http.StatusNotFound || body != "404 page not found\n" { |
| 166 | t.Fatalf("head as non-member = %d %q, want the identical 404", st, body) |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | // TestAPILedgerRejects: a name that isn't a ledger name, and a payload over |
| 171 | // the 64 KiB cap, are both refused before anything lands in the store. |
| 172 | func TestAPILedgerRejects(t *testing.T) { |
| 173 | fx, token := ledgerFixture(t, "code-ledger-rejects") |
| 174 | |
| 175 | // Bad ledger name in the path — uppercase and a space. |
| 176 | status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/Not%20Valid/append", token, |
| 177 | `{"payload":1}`) |
| 178 | if status != http.StatusBadRequest { |
| 179 | t.Fatalf("bad ledger name = %d %s, want 400", status, out) |
| 180 | } |
| 181 | // A traversal attempt in the name segment, which would otherwise become |
| 182 | // bucket key segments. |
| 183 | status, out = postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/..%2f..%2fetc/append", token, |
| 184 | `{"payload":1}`) |
| 185 | if status != http.StatusBadRequest && status != http.StatusNotFound { |
| 186 | t.Fatalf("traversal ledger name = %d %s, want a refusal", status, out) |
| 187 | } |
| 188 | |
| 189 | // Oversized payload: over the cap, but under MaxBytesReader's limit, so |
| 190 | // this is the handler's own arithmetic refusing it, not the reader's. |
| 191 | big := `{"payload":"` + strings.Repeat("x", ledger.MaxPayload) + `"}` |
| 192 | status, out = postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", token, big) |
| 193 | if status != http.StatusBadRequest && status != http.StatusRequestEntityTooLarge { |
| 194 | t.Fatalf("oversize payload = %d %s, want 400 or 413", status, out) |
| 195 | } |
| 196 | // Far oversized: MaxBytesReader cuts this one off. |
| 197 | huge := `{"payload":"` + strings.Repeat("x", ledger.MaxPayload+64<<10) + `"}` |
| 198 | status, out = postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", token, huge) |
| 199 | if status != http.StatusBadRequest && status != http.StatusRequestEntityTooLarge { |
| 200 | t.Fatalf("far-oversize payload = %d %s, want 400 or 413", status, out) |
| 201 | } |
| 202 | // A body with no payload at all. |
| 203 | status, out = postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", token, `{}`) |
| 204 | if status != http.StatusBadRequest { |
| 205 | t.Fatalf("missing payload = %d %s, want 400", status, out) |
| 206 | } |
| 207 | |
| 208 | // None of the refusals created a chain. |
| 209 | if _, _, err := fx.rel.Get(context.Background(), ledger.HeadKey("bab", "titogo", "carbon")); err == nil { |
| 210 | t.Fatalf("carbon HEAD exists after only refused appends, want none") |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | // TestAPILedgerPublishAndList: the opt-in manifest round-trips, and the |
| 215 | // listing names both the manifest and the ledgers that actually exist — |
| 216 | // derived from the HEAD keys in the bucket, not from the manifest. |
| 217 | func TestAPILedgerPublishAndList(t *testing.T) { |
| 218 | fx, token := ledgerFixture(t, "code-ledger-publish") |
| 219 | |
| 220 | // A write happens with NO manifest present: opt-in gates serving, not |
| 221 | // writing (spec §2.3). |
| 222 | if status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", token, |
| 223 | `{"payload":{"n":1}}`); status != http.StatusOK { |
| 224 | t.Fatalf("append before any publish = %d %s, want 200 (opt-in gates serving, not writing)", status, out) |
| 225 | } |
| 226 | |
| 227 | // Before publishing, the manifest reads back null and the ledger is |
| 228 | // still listed. |
| 229 | status, body := getRaw(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers", token) |
| 230 | if status != http.StatusOK { |
| 231 | t.Fatalf("list before publish = %d %s", status, body) |
| 232 | } |
| 233 | var pre struct { |
| 234 | Manifest *ledger.Manifest `json:"manifest"` |
| 235 | Ledgers []string `json:"ledgers"` |
| 236 | } |
| 237 | if err := json.Unmarshal([]byte(body), &pre); err != nil { |
| 238 | t.Fatalf("list body %s: %v", body, err) |
| 239 | } |
| 240 | if pre.Manifest != nil { |
| 241 | t.Fatalf("manifest before publish = %+v, want null", pre.Manifest) |
| 242 | } |
| 243 | if len(pre.Ledgers) != 1 || pre.Ledgers[0] != "carbon" { |
| 244 | t.Fatalf("ledgers before publish = %v, want [carbon]", pre.Ledgers) |
| 245 | } |
| 246 | |
| 247 | status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/publish", token, |
| 248 | `{"public":true,"ledgers":["carbon"],"title":"Titogo"}`) |
| 249 | if status != http.StatusOK { |
| 250 | t.Fatalf("publish = %d %s", status, out) |
| 251 | } |
| 252 | |
| 253 | // A second entry and a blob under the same chain: the listing is |
| 254 | // delimiter-aware, so neither the entries/ nor the blobs/ directory may |
| 255 | // surface as a ledger name, however much history accrues. |
| 256 | if status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", token, |
| 257 | `{"payload":{"n":2}}`); status != http.StatusOK { |
| 258 | t.Fatalf("second append = %d %s", status, out) |
| 259 | } |
| 260 | if _, err := fx.rel.Put(context.Background(), |
| 261 | ledger.BlobKey("bab", "titogo", "carbon", strings.Repeat("a", 64)), []byte("x"), ""); err != nil { |
| 262 | t.Fatal(err) |
| 263 | } |
| 264 | |
| 265 | status, body = getRaw(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers", token) |
| 266 | if status != http.StatusOK || !strings.Contains(body, `"carbon"`) { |
| 267 | t.Fatalf("list = %d %s, want carbon among the ledgers", status, body) |
| 268 | } |
| 269 | var post struct { |
| 270 | Manifest *ledger.Manifest `json:"manifest"` |
| 271 | Ledgers []string `json:"ledgers"` |
| 272 | } |
| 273 | if err := json.Unmarshal([]byte(body), &post); err != nil { |
| 274 | t.Fatalf("list body %s: %v", body, err) |
| 275 | } |
| 276 | if post.Manifest == nil || !post.Manifest.Public || post.Manifest.Title != "Titogo" || |
| 277 | len(post.Manifest.Ledgers) != 1 || post.Manifest.Ledgers[0] != "carbon" { |
| 278 | t.Fatalf("manifest after publish = %+v, want the published one", post.Manifest) |
| 279 | } |
| 280 | if post.Manifest.Schema != ledger.Schema { |
| 281 | t.Fatalf("manifest schema = %d, want %d (stamped server-side)", post.Manifest.Schema, ledger.Schema) |
| 282 | } |
| 283 | if len(post.Ledgers) != 1 || post.Ledgers[0] != "carbon" { |
| 284 | t.Fatalf("ledgers = %v, want exactly [carbon] — entries/ and blobs/ are not ledgers", post.Ledgers) |
| 285 | } |
| 286 | |
| 287 | // Publishing is a visibility change, so it leaves an audit line naming |
| 288 | // who did it, the flag, and the ledgers — the same trail promote, |
| 289 | // rollback and ship write to. |
| 290 | events, err := fx.st.Events(OpsAccountID, "titogo", 10) |
| 291 | if err != nil { |
| 292 | t.Fatal(err) |
| 293 | } |
| 294 | var pub *Event |
| 295 | for i := range events { |
| 296 | if events[i].Action == "ledger-publish" { |
| 297 | pub = &events[i] |
| 298 | } |
| 299 | } |
| 300 | if pub == nil { |
| 301 | t.Fatalf("events = %v, want a ledger-publish row", events) |
| 302 | } |
| 303 | if pub.Address != "alice@keymail.dev" { |
| 304 | t.Fatalf("ledger-publish address = %q, want the authenticated identity", pub.Address) |
| 305 | } |
| 306 | if !strings.Contains(pub.Detail, "public=true") || !strings.Contains(pub.Detail, "carbon") || |
| 307 | !strings.Contains(pub.Detail, "(cli)") { |
| 308 | t.Fatalf("ledger-publish detail = %q, want the flag, the ledgers and the CLI marker", pub.Detail) |
| 309 | } |
| 310 | |
| 311 | // A manifest naming a ledger that isn't a ledger name is refused. |
| 312 | if status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/publish", token, |
| 313 | `{"public":true,"ledgers":["Not Valid"]}`); status != http.StatusBadRequest { |
| 314 | t.Fatalf("publish with a bad ledger name = %d %s, want 400", status, out) |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | // publishLedgers posts one publish call and decodes the RESULTING manifest |
| 319 | // the handler answers with — the shape a CLI needs in order to tell the user |
| 320 | // what is public now rather than what they just asked for. |
| 321 | func publishLedgers(t *testing.T, fx *consoleFixture, token, body string) (int, ledger.Manifest) { |
| 322 | t.Helper() |
| 323 | status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/publish", token, body) |
| 324 | var m ledger.Manifest |
| 325 | if status == http.StatusOK { |
| 326 | if err := json.Unmarshal(out, &m); err != nil { |
| 327 | t.Fatalf("publish body %s: %v", out, err) |
| 328 | } |
| 329 | } |
| 330 | return status, m |
| 331 | } |
| 332 | |
| 333 | // TestAPILedgerPublishIsAdditive is the defect this handler was written |
| 334 | // around: an app's manifest is a SET of published ledgers accrued over |
| 335 | // separate publish calls, and the edge reads that set as a per-ledger |
| 336 | // ALLOWLIST. A publish that replaced the whole manifest would silently |
| 337 | // unpublish every ledger the caller didn't name in this one call — while the |
| 338 | // CLI printed a success line — and would make publishing two ledgers |
| 339 | // impossible one call at a time. |
| 340 | func TestAPILedgerPublishIsAdditive(t *testing.T) { |
| 341 | fx, token := ledgerFixture(t, "code-ledger-additive") |
| 342 | |
| 343 | status, m := publishLedgers(t, fx, token, `{"public":true,"ledgers":["carbon"],"title":"Titogo"}`) |
| 344 | if status != http.StatusOK { |
| 345 | t.Fatalf("first publish = %d", status) |
| 346 | } |
| 347 | if !m.Public || len(m.Ledgers) != 1 || m.Ledgers[0] != "carbon" || m.Title != "Titogo" { |
| 348 | t.Fatalf("first publish = %+v", m) |
| 349 | } |
| 350 | |
| 351 | // Publishing a SECOND ledger keeps the first, and an omitted title keeps |
| 352 | // the stored one (a caller publishing one more chain is not asking to |
| 353 | // erase the app's title). |
| 354 | status, m = publishLedgers(t, fx, token, `{"public":true,"ledgers":["prompts"]}`) |
| 355 | if status != http.StatusOK { |
| 356 | t.Fatalf("second publish = %d", status) |
| 357 | } |
| 358 | if len(m.Ledgers) != 2 || m.Ledgers[0] != "carbon" || m.Ledgers[1] != "prompts" { |
| 359 | t.Fatalf("second publish = %+v, want [carbon prompts] in order", m.Ledgers) |
| 360 | } |
| 361 | if m.Title != "Titogo" { |
| 362 | t.Fatalf("title = %q, want the stored title preserved when the request omits one", m.Title) |
| 363 | } |
| 364 | |
| 365 | // Re-publishing one that is already public is idempotent — no duplicate. |
| 366 | if _, m = publishLedgers(t, fx, token, `{"public":true,"ledgers":["carbon"]}`); len(m.Ledgers) != 2 { |
| 367 | t.Fatalf("re-publish = %+v, want no duplicate", m.Ledgers) |
| 368 | } |
| 369 | // A non-empty title replaces the stored one. |
| 370 | if _, m = publishLedgers(t, fx, token, `{"public":true,"ledgers":["carbon"],"title":"Tito"}`); m.Title != "Tito" { |
| 371 | t.Fatalf("title = %q, want the new one", m.Title) |
| 372 | } |
| 373 | |
| 374 | // The store agrees with what the handler reported. |
| 375 | stored, err := ledger.ReadManifest(context.Background(), fx.rel, "bab", "titogo") |
| 376 | if err != nil { |
| 377 | t.Fatal(err) |
| 378 | } |
| 379 | if len(stored.Ledgers) != 2 || stored.Title != "Tito" || !stored.Public { |
| 380 | t.Fatalf("stored manifest = %+v, want it to match the reported state", stored) |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | // TestAPILedgerUnpublishRemovesOne: unpublish is the mirror — it removes the |
| 385 | // named ledgers and flips public off ONLY when nothing is left. Unpublishing |
| 386 | // one of two chains must not take the other one dark. |
| 387 | func TestAPILedgerUnpublishRemovesOne(t *testing.T) { |
| 388 | fx, token := ledgerFixture(t, "code-ledger-unpublish") |
| 389 | |
| 390 | if status, _ := publishLedgers(t, fx, token, `{"public":true,"ledgers":["carbon","prompts"],"title":"T"}`); status != http.StatusOK { |
| 391 | t.Fatalf("publish = %d", status) |
| 392 | } |
| 393 | |
| 394 | status, m := publishLedgers(t, fx, token, `{"public":false,"ledgers":["carbon"]}`) |
| 395 | if status != http.StatusOK { |
| 396 | t.Fatalf("unpublish = %d", status) |
| 397 | } |
| 398 | if !m.Public { |
| 399 | t.Fatalf("unpublish of one of two = %+v, want public still true", m) |
| 400 | } |
| 401 | if len(m.Ledgers) != 1 || m.Ledgers[0] != "prompts" { |
| 402 | t.Fatalf("unpublish left %v, want [prompts]", m.Ledgers) |
| 403 | } |
| 404 | |
| 405 | // Unpublishing the last one empties the list AND flips public off, so |
| 406 | // the app's own ledgers.json index stops serving too. |
| 407 | status, m = publishLedgers(t, fx, token, `{"public":false,"ledgers":["prompts"]}`) |
| 408 | if status != http.StatusOK { |
| 409 | t.Fatalf("final unpublish = %d", status) |
| 410 | } |
| 411 | if m.Public || len(m.Ledgers) != 0 { |
| 412 | t.Fatalf("final unpublish = %+v, want public:false and an empty list", m) |
| 413 | } |
| 414 | if m.Title != "T" { |
| 415 | t.Fatalf("title = %q, want it kept — unpublishing is not forgetting", m.Title) |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | // TestAPILedgerUnpublishWithoutManifest: unpublishing an app that never |
| 420 | // published is a no-op success, not a 404 and not a manifest conjured out of |
| 421 | // nothing. |
| 422 | func TestAPILedgerUnpublishWithoutManifest(t *testing.T) { |
| 423 | fx, token := ledgerFixture(t, "code-ledger-unpublish-none") |
| 424 | |
| 425 | status, m := publishLedgers(t, fx, token, `{"public":false,"ledgers":["carbon"]}`) |
| 426 | if status != http.StatusOK { |
| 427 | t.Fatalf("unpublish with no manifest = %d, want 200", status) |
| 428 | } |
| 429 | if m.Public || len(m.Ledgers) != 0 { |
| 430 | t.Fatalf("= %+v, want the zero manifest", m) |
| 431 | } |
| 432 | if _, _, err := fx.rel.Get(context.Background(), ledger.ManifestKey("bab", "titogo")); err == nil { |
| 433 | t.Fatal("a no-op unpublish wrote a manifest, want none") |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | // TestAPILedgerPublishTitleCap: the title is member-supplied text served |
| 438 | // publicly at ledgers.json, so it is bounded at the write door — the same |
| 439 | // place every other public-facing input on this API is bounded. |
| 440 | func TestAPILedgerPublishTitleCap(t *testing.T) { |
| 441 | fx, token := ledgerFixture(t, "code-ledger-title") |
| 442 | |
| 443 | long := `{"public":true,"ledgers":["carbon"],"title":"` + strings.Repeat("t", 121) + `"}` |
| 444 | status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/publish", token, long) |
| 445 | if status != http.StatusBadRequest { |
| 446 | t.Fatalf("oversize title = %d %s, want 400", status, out) |
| 447 | } |
| 448 | if !strings.Contains(string(out), "title too long") { |
| 449 | t.Fatalf("refusal = %s, want it to name the cap", out) |
| 450 | } |
| 451 | if _, _, err := fx.rel.Get(context.Background(), ledger.ManifestKey("bab", "titogo")); err == nil { |
| 452 | t.Fatal("a refused publish wrote a manifest") |
| 453 | } |
| 454 | |
| 455 | // Exactly at the cap is fine, and surrounding whitespace is trimmed |
| 456 | // rather than counted. |
| 457 | at := strings.Repeat("t", 120) |
| 458 | status, m := publishLedgers(t, fx, token, `{"public":true,"ledgers":["carbon"],"title":" `+at+` "}`) |
| 459 | if status != http.StatusOK { |
| 460 | t.Fatalf("title at the cap = %d, want 200", status) |
| 461 | } |
| 462 | if m.Title != at { |
| 463 | t.Fatalf("title = %q, want it trimmed to the %d-byte value", m.Title, len(at)) |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | // TestAPILedgerPublishCountCap: the manifest became read-modify-write, which |
| 468 | // removed the implicit bound the 8 KiB request cap used to give a whole-value |
| 469 | // replace — names now ACCUMULATE. ledgers.json is member-supplied content |
| 470 | // served publicly at the edge, held in the edge's in-memory cache and |
| 471 | // linearly scanned on every ledger request, so the set is bounded at the |
| 472 | // write door, on the RESULTING manifest, like every other public-facing input |
| 473 | // here. |
| 474 | func TestAPILedgerPublishCountCap(t *testing.T) { |
| 475 | fx, token := ledgerFixture(t, "code-ledger-count") |
| 476 | |
| 477 | names := make([]string, 0, maxLedgerCount) |
| 478 | for i := range maxLedgerCount { |
| 479 | names = append(names, fmt.Sprintf("l%d", i)) |
| 480 | } |
| 481 | full, err := json.Marshal(map[string]any{"public": true, "ledgers": names, "title": "T"}) |
| 482 | if err != nil { |
| 483 | t.Fatal(err) |
| 484 | } |
| 485 | status, m := publishLedgers(t, fx, token, string(full)) |
| 486 | if status != http.StatusOK { |
| 487 | t.Fatalf("publish of %d ledgers = %d, want 200 (the cap is a ceiling, not a fence below it)", maxLedgerCount, status) |
| 488 | } |
| 489 | if len(m.Ledgers) != maxLedgerCount { |
| 490 | t.Fatalf("published %d ledgers, want %d", len(m.Ledgers), maxLedgerCount) |
| 491 | } |
| 492 | |
| 493 | // The one that would step over is refused as the caller's fault, and |
| 494 | // nothing new is written: not the name, not the title that rode with it. |
| 495 | status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/publish", token, |
| 496 | `{"public":true,"ledgers":["overflow"],"title":"nope"}`) |
| 497 | if status != http.StatusBadRequest { |
| 498 | t.Fatalf("publish over the cap = %d %s, want 400", status, out) |
| 499 | } |
| 500 | if !strings.Contains(string(out), "too many public ledgers") { |
| 501 | t.Fatalf("refusal = %s, want it to name the cap", out) |
| 502 | } |
| 503 | stored, err := ledger.ReadManifest(context.Background(), fx.rel, "bab", "titogo") |
| 504 | if err != nil { |
| 505 | t.Fatal(err) |
| 506 | } |
| 507 | if len(stored.Ledgers) != maxLedgerCount || slices.Contains(stored.Ledgers, "overflow") { |
| 508 | t.Fatalf("stored manifest = %+v, want the refused publish to have written nothing", stored) |
| 509 | } |
| 510 | if stored.Title != "T" { |
| 511 | t.Fatalf("title = %q, want the refused publish to have left it alone", stored.Title) |
| 512 | } |
| 513 | |
| 514 | // Re-publishing one that is ALREADY on the list at the cap is fine — the |
| 515 | // bound is on the resulting set, and that set does not grow. |
| 516 | if status, m := publishLedgers(t, fx, token, `{"public":true,"ledgers":["l0"]}`); status != http.StatusOK || |
| 517 | len(m.Ledgers) != maxLedgerCount { |
| 518 | t.Fatalf("idempotent re-publish at the cap = %d %+v, want 200 and no growth", status, m.Ledgers) |
| 519 | } |
| 520 | |
| 521 | // And the way back down is never blocked: an app that hit the cap must |
| 522 | // still be able to unpublish. |
| 523 | status, m = publishLedgers(t, fx, token, `{"public":false,"ledgers":["l0"]}`) |
| 524 | if status != http.StatusOK { |
| 525 | t.Fatalf("unpublish at the cap = %d, want 200", status) |
| 526 | } |
| 527 | if len(m.Ledgers) != maxLedgerCount-1 || slices.Contains(m.Ledgers, "l0") { |
| 528 | t.Fatalf("unpublish at the cap left %v", m.Ledgers) |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | // TestAPILedgerHeadMissing: a ledger that was never written is the same |
| 533 | // stdlib 404 as an app you can't see — there is nothing to distinguish. |
| 534 | func TestAPILedgerHeadMissing(t *testing.T) { |
| 535 | fx, token := ledgerFixture(t, "code-ledger-head-missing") |
| 536 | |
| 537 | status, body := getRaw(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/nothing-here/head", token) |
| 538 | if status != http.StatusNotFound { |
| 539 | t.Fatalf("head of an unwritten ledger = %d %q, want 404", status, body) |
| 540 | } |
| 541 | } |
| 542 | |
| 543 | // TestAPILedgerBlob: raw bytes upload content-addressed, the returned sha |
| 544 | // is what the bytes hash to, and a re-upload of the same bytes is the same |
| 545 | // answer. |
| 546 | func TestAPILedgerBlob(t *testing.T) { |
| 547 | fx, token := ledgerFixture(t, "code-ledger-blob") |
| 548 | |
| 549 | req, err := http.NewRequest(http.MethodPost, |
| 550 | fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/prompts/blobs", |
| 551 | bytes.NewReader([]byte("corpus"))) |
| 552 | if err != nil { |
| 553 | t.Fatal(err) |
| 554 | } |
| 555 | req.Header.Set("Authorization", "Bearer "+token) |
| 556 | res, err := http.DefaultClient.Do(req) |
| 557 | if err != nil { |
| 558 | t.Fatal(err) |
| 559 | } |
| 560 | defer res.Body.Close() |
| 561 | raw, err := io.ReadAll(res.Body) |
| 562 | if err != nil { |
| 563 | t.Fatal(err) |
| 564 | } |
| 565 | if res.StatusCode != http.StatusOK { |
| 566 | t.Fatalf("blob = %d %s", res.StatusCode, raw) |
| 567 | } |
| 568 | var out struct { |
| 569 | SHA256 string `json:"sha256"` |
| 570 | } |
| 571 | if err := json.Unmarshal(raw, &out); err != nil { |
| 572 | t.Fatalf("blob body %s: %v", raw, err) |
| 573 | } |
| 574 | want := ledger.SHA256Hex([]byte("corpus")) |
| 575 | if out.SHA256 != want { |
| 576 | t.Fatalf("blob sha256 = %q, want %q (computed from the bytes sent)", out.SHA256, want) |
| 577 | } |
| 578 | stored, _, err := fx.rel.Get(context.Background(), ledger.BlobKey("bab", "titogo", "prompts", want)) |
| 579 | if err != nil { |
| 580 | t.Fatalf("stored blob: %v", err) |
| 581 | } |
| 582 | if !bytes.Equal(stored, []byte("corpus")) { |
| 583 | t.Fatalf("stored blob = %q, want the bytes sent", stored) |
| 584 | } |
| 585 | |
| 586 | // A bad ledger name in the path refuses before the body is read. |
| 587 | if status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/Not%20Valid/blobs", token, |
| 588 | "corpus"); status != http.StatusBadRequest { |
| 589 | t.Fatalf("blob with a bad ledger name = %d %s, want 400", status, out) |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | // TestAPILedgerWritesAreRateLimited: every WRITE door here passes the same |
| 594 | // write budget its promote/rollback/new-account siblings do, keyed on the |
| 595 | // address. Without it, the one API that appends an object per call is the |
| 596 | // one API with no bound on how fast a token can fill a bucket. |
| 597 | func TestAPILedgerWritesAreRateLimited(t *testing.T) { |
| 598 | fx, token := ledgerFixture(t, "code-ledger-ratelimit") |
| 599 | |
| 600 | limited := false |
| 601 | for i := 0; i < cliWriteBurst+3; i++ { |
| 602 | status, _ := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", token, |
| 603 | `{"payload":{"n":1}}`) |
| 604 | if status == http.StatusTooManyRequests { |
| 605 | limited = true |
| 606 | break |
| 607 | } |
| 608 | } |
| 609 | if !limited { |
| 610 | t.Fatalf("append was never rate-limited in %d attempts", cliWriteBurst+3) |
| 611 | } |
| 612 | |
| 613 | // The budget is shared across the write doors — an exhausted address |
| 614 | // cannot simply switch verb. (Same limiter, same key: this is what |
| 615 | // proves publish and blobs pass it too, not just append.) |
| 616 | if status, _ := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/publish", token, |
| 617 | `{"public":true,"ledgers":["carbon"]}`); status != http.StatusTooManyRequests { |
| 618 | t.Fatalf("publish on an exhausted budget = %d, want 429", status) |
| 619 | } |
| 620 | req, err := http.NewRequest(http.MethodPost, |
| 621 | fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/prompts/blobs", bytes.NewReader([]byte("corpus"))) |
| 622 | if err != nil { |
| 623 | t.Fatal(err) |
| 624 | } |
| 625 | req.Header.Set("Authorization", "Bearer "+token) |
| 626 | res, err := http.DefaultClient.Do(req) |
| 627 | if err != nil { |
| 628 | t.Fatal(err) |
| 629 | } |
| 630 | res.Body.Close() |
| 631 | if res.StatusCode != http.StatusTooManyRequests { |
| 632 | t.Fatalf("blob on an exhausted budget = %d, want 429", res.StatusCode) |
| 633 | } |
| 634 | |
| 635 | // The READ doors are unlimited, like their read-only siblings — an |
| 636 | // exhausted write budget must not blind a CLI to what it already wrote. |
| 637 | if status, body := getRaw(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers", token); status != http.StatusOK { |
| 638 | t.Fatalf("list on an exhausted write budget = %d %s, want 200", status, body) |
| 639 | } |
| 640 | if status, _ := getRaw(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/head", token); status != http.StatusOK { |
| 641 | t.Fatalf("head on an exhausted write budget = %d, want 200", status) |
| 642 | } |
| 643 | } |
| 644 | |
| 645 | // casStore loses every HEAD race, the way a chain under more concurrent |
| 646 | // writers than the retry loop can outlast behaves. |
| 647 | type casStore struct{ release.Store } |
| 648 | |
| 649 | func (c casStore) Put(ctx context.Context, key string, body []byte, ifMatch string) (string, error) { |
| 650 | if strings.HasSuffix(key, "/HEAD.json") || strings.HasSuffix(key, "/ledgers.json") { |
| 651 | return "", release.ErrCASConflict |
| 652 | } |
| 653 | return c.Store.Put(ctx, key, body, ifMatch) |
| 654 | } |
| 655 | |
| 656 | // brokenStore is a bucket the console cannot reach, whose error text is |
| 657 | // exactly the kind that must never reach a client. |
| 658 | type brokenStore struct{ release.Store } |
| 659 | |
| 660 | const brokenStoreErr = "AccessDenied: s3://carlos-prod-secret-bucket/ledgers request id ABC123" |
| 661 | |
| 662 | func (b brokenStore) Put(context.Context, string, []byte, string) (string, error) { |
| 663 | return "", errors.New(brokenStoreErr) |
| 664 | } |
| 665 | |
| 666 | func (b brokenStore) ListDirs(context.Context, string) ([]string, error) { |
| 667 | return nil, errors.New(brokenStoreErr) |
| 668 | } |
| 669 | |
| 670 | // TestAPILedgerStoreFailureStatuses: a failure that is not the caller's |
| 671 | // fault must not be reported as if it were. Contention is retry-worthy |
| 672 | // (503), a broken bucket is not (500), and neither answer may echo the |
| 673 | // store's own error text — bucket names and request ids are for the log. |
| 674 | func TestAPILedgerStoreFailureStatuses(t *testing.T) { |
| 675 | t.Run("contention is 503", func(t *testing.T) { |
| 676 | fx, token := ledgerFixture(t, "code-ledger-busy") |
| 677 | fx.srv.cfg.Releases = casStore{fx.rel} |
| 678 | |
| 679 | status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", token, |
| 680 | `{"payload":{"n":1}}`) |
| 681 | if status != http.StatusServiceUnavailable { |
| 682 | t.Fatalf("append under total contention = %d %s, want 503", status, out) |
| 683 | } |
| 684 | if !strings.Contains(string(out), "try again") { |
| 685 | t.Fatalf("contention error = %s, want it to invite a retry", out) |
| 686 | } |
| 687 | if strings.Contains(string(out), "CAS") || strings.Contains(string(out), "HEAD.json") { |
| 688 | t.Fatalf("contention error leaks store internals: %s", out) |
| 689 | } |
| 690 | // Publish's own lost race is the same retry-worthy answer. |
| 691 | if status, out := postBody(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/publish", token, |
| 692 | `{"public":true,"ledgers":["carbon"]}`); status != http.StatusServiceUnavailable { |
| 693 | t.Fatalf("publish under total contention = %d %s, want 503", status, out) |
| 694 | } |
| 695 | }) |
| 696 | |
| 697 | t.Run("a broken bucket is 500 and says nothing", func(t *testing.T) { |
| 698 | fx, token := ledgerFixture(t, "code-ledger-broken") |
| 699 | fx.srv.cfg.Releases = brokenStore{fx.rel} |
| 700 | |
| 701 | type answer struct { |
| 702 | what string |
| 703 | status int |
| 704 | body string |
| 705 | } |
| 706 | appendStatus, appendBody := postBody(t, |
| 707 | fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/carbon/append", token, `{"payload":{"n":1}}`) |
| 708 | publishStatus, publishBody := postBody(t, |
| 709 | fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers/publish", token, `{"public":true,"ledgers":["carbon"]}`) |
| 710 | listStatus, listBody := getRaw(t, fx.ts.URL+"/api/cli/apps/bab/titogo/ledgers", token) |
| 711 | cases := []answer{ |
| 712 | {"append", appendStatus, string(appendBody)}, |
| 713 | {"publish", publishStatus, string(publishBody)}, |
| 714 | {"list", listStatus, listBody}, |
| 715 | } |
| 716 | |
| 717 | for _, c := range cases { |
| 718 | if c.status != http.StatusInternalServerError { |
| 719 | t.Errorf("%s against a broken bucket = %d %s, want 500", c.what, c.status, c.body) |
| 720 | } |
| 721 | if strings.Contains(c.body, "AccessDenied") || |
| 722 | strings.Contains(c.body, "carlos-prod-secret-bucket") || |
| 723 | strings.Contains(c.body, "ABC123") { |
| 724 | t.Errorf("%s leaked the store's error text to the client: %s", c.what, c.body) |
| 725 | } |
| 726 | } |
| 727 | }) |
| 728 | } |
| 729 | |