passkeys.rs
| 1 | //! Self-service credentials: changing and removing the password, the |
| 2 | //! passkey list, and the rules that keep an account reachable. |
| 3 | //! |
| 4 | //! No real authenticator exists here, so nothing verifies a signature — that |
| 5 | //! is `webauthn-rs`' job and it has its own tests. What these tests cover is |
| 6 | //! everything around it: which combinations the server accepts, what it |
| 7 | //! refuses, and that a half-finished sign-in never becomes a session. |
| 8 | |
| 9 | use crate::common::*; |
| 10 | use axum::http::{Method, StatusCode}; |
| 11 | use serde_json::json; |
| 12 | |
| 13 | /// A syntactically valid stored passkey. |
| 14 | /// |
| 15 | /// The key is all zeroes, so it can never verify anything. Every test here |
| 16 | /// either counts passkeys or checks that a ceremony is *refused*, and for |
| 17 | /// both a credential that parses is enough. |
| 18 | const STORED_PASSKEY: &str = r#"{"cred":{"cred_id":"AQIDBA","cred":{"type_":"ES256","key":{"EC_EC2":{"curve":"SECP256R1","x":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA","y":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"}}},"counter":0,"transports":null,"user_verified":true,"backup_eligible":false,"backup_state":false,"registration_policy":"required","extensions":{"cred_protect":"NotRequested","hmac_create_secret":"NotRequested","appid":"NotRequested","cred_props":"NotRequested"},"attestation":{"data":"None","metadata":"None"},"attestation_format":"none"}}"#; |
| 19 | |
| 20 | /// Put a passkey on an account without a browser. |
| 21 | /// |
| 22 | /// `label` only has to be unique; the stored id is four bytes derived from it. |
| 23 | async fn give_passkey(env: &Env, user_id: i64, label: &[u8]) { |
| 24 | use std::hash::{DefaultHasher, Hash, Hasher}; |
| 25 | let mut h = DefaultHasher::new(); |
| 26 | label.hash(&mut h); |
| 27 | let cred_id = (h.finish() as u32).to_le_bytes(); |
| 28 | env.state |
| 29 | .db |
| 30 | .add_passkey(user_id, &cred_id, STORED_PASSKEY, "Test key") |
| 31 | .await |
| 32 | .unwrap() |
| 33 | .expect("the account was already at the passkey limit"); |
| 34 | } |
| 35 | |
| 36 | // --------------------------------------------------------------------------- |
| 37 | // Password |
| 38 | // --------------------------------------------------------------------------- |
| 39 | |
| 40 | #[tokio::test] |
| 41 | async fn a_short_new_password_is_refused() { |
| 42 | let env = Env::new().await; |
| 43 | let admin = env.admin().await; |
| 44 | let r = admin |
| 45 | .post_json("/api/auth/password", &json!({ "new_password": "short" })) |
| 46 | .await; |
| 47 | assert_eq!(r.status, StatusCode::BAD_REQUEST); |
| 48 | } |
| 49 | |
| 50 | #[tokio::test] |
| 51 | async fn changing_the_password_ends_every_other_session() { |
| 52 | let env = Env::new().await; |
| 53 | let admin = env.admin().await; |
| 54 | // A second sign-in, as if from another browser. |
| 55 | let other = login(&env, "admin", "admin1234").await; |
| 56 | assert_eq!(other.get("/api/auth/me").await.status, StatusCode::OK); |
| 57 | |
| 58 | let r = admin |
| 59 | .post_json( |
| 60 | "/api/auth/password", |
| 61 | &json!({ "new_password": "brandnew1" }), |
| 62 | ) |
| 63 | .await; |
| 64 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 65 | |
| 66 | // The session that made the change survives; the other one does not. |
| 67 | assert_eq!(admin.get("/api/auth/me").await.status, StatusCode::OK); |
| 68 | assert_eq!( |
| 69 | other.get("/api/auth/me").await.status, |
| 70 | StatusCode::UNAUTHORIZED |
| 71 | ); |
| 72 | let _ = login(&env, "admin", "brandnew1").await; |
| 73 | } |
| 74 | |
| 75 | #[tokio::test] |
| 76 | async fn the_password_cannot_go_while_it_is_the_only_credential() { |
| 77 | let env = Env::new().await; |
| 78 | let admin = env.admin().await; |
| 79 | let r = admin.delete("/api/auth/password").await; |
| 80 | assert_eq!(r.status, StatusCode::BAD_REQUEST, "{}", r.text()); |
| 81 | assert_eq!(r.json()["code"], "err_password_last_credential"); |
| 82 | } |
| 83 | |
| 84 | #[tokio::test] |
| 85 | async fn removing_the_password_leaves_a_passkey_only_account() { |
| 86 | let env = Env::new().await; |
| 87 | let admin = env.admin().await; |
| 88 | let id = user_id(&admin, "admin").await; |
| 89 | give_passkey(&env, id, b"cred-only").await; |
| 90 | |
| 91 | let r = admin.delete("/api/auth/password").await; |
| 92 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 93 | |
| 94 | // The session that did it keeps working, and now says so. |
| 95 | let me = admin.get("/api/auth/me").await.json(); |
| 96 | assert_eq!(me["user"]["has_password"], false); |
| 97 | |
| 98 | // The old password is not "still valid but unused" — it is gone. |
| 99 | let c = Client::new(env.app.clone()); |
| 100 | let r = c |
| 101 | .post_json( |
| 102 | "/api/auth/login", |
| 103 | &json!({ "name": "admin", "password": "admin1234" }), |
| 104 | ) |
| 105 | .await; |
| 106 | assert_eq!(r.status, StatusCode::UNAUTHORIZED); |
| 107 | assert!(session_cookie(&r).is_none()); |
| 108 | } |
| 109 | |
| 110 | #[tokio::test] |
| 111 | async fn a_passkey_only_account_can_set_a_password_again() { |
| 112 | let env = Env::new().await; |
| 113 | let admin = env.admin().await; |
| 114 | let id = user_id(&admin, "admin").await; |
| 115 | give_passkey(&env, id, b"cred-again").await; |
| 116 | admin.delete("/api/auth/password").await; |
| 117 | |
| 118 | // Setting a first password on a passkey-only account is the same call. |
| 119 | let r = admin |
| 120 | .post_json( |
| 121 | "/api/auth/password", |
| 122 | &json!({ "new_password": "secondgo1" }), |
| 123 | ) |
| 124 | .await; |
| 125 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 126 | let _ = login(&env, "admin", "secondgo1").await; |
| 127 | } |
| 128 | |
| 129 | // --------------------------------------------------------------------------- |
| 130 | // Passkey list |
| 131 | // --------------------------------------------------------------------------- |
| 132 | |
| 133 | #[tokio::test] |
| 134 | async fn the_passkey_list_is_per_account_and_carries_no_key_material() { |
| 135 | let env = Env::new().await; |
| 136 | let admin = env.admin().await; |
| 137 | let admin_id = user_id(&admin, "admin").await; |
| 138 | create_user(&admin, "bob", "bobpass12", &[("docs", "rw")]).await; |
| 139 | let bob_id = user_id(&admin, "bob").await; |
| 140 | give_passkey(&env, admin_id, b"cred-admin").await; |
| 141 | give_passkey(&env, bob_id, b"cred-bob").await; |
| 142 | |
| 143 | let j = admin.get("/api/auth/passkeys").await.json(); |
| 144 | let list = j.as_array().unwrap(); |
| 145 | assert_eq!(list.len(), 1, "admin must not see bob's passkey"); |
| 146 | assert_eq!(list[0]["name"], "Test key"); |
| 147 | assert!(list[0]["last_used_at"].is_null()); |
| 148 | assert!( |
| 149 | !j.to_string().contains("cred_id"), |
| 150 | "the list leaked credential internals: {j}" |
| 151 | ); |
| 152 | |
| 153 | let bob = login(&env, "bob", "bobpass12").await; |
| 154 | assert_ne!( |
| 155 | bob.get("/api/auth/passkeys").await.json()[0]["id"], |
| 156 | list[0]["id"], |
| 157 | "bob sees the admin's passkey" |
| 158 | ); |
| 159 | } |
| 160 | |
| 161 | #[tokio::test] |
| 162 | async fn the_last_passkey_cannot_go_while_there_is_no_password() { |
| 163 | let env = Env::new().await; |
| 164 | let admin = env.admin().await; |
| 165 | let id = user_id(&admin, "admin").await; |
| 166 | give_passkey(&env, id, b"cred-last").await; |
| 167 | admin.delete("/api/auth/password").await; |
| 168 | |
| 169 | let pk_id = admin.get("/api/auth/passkeys").await.json()[0]["id"] |
| 170 | .as_i64() |
| 171 | .unwrap(); |
| 172 | let r = admin.delete(&format!("/api/auth/passkeys/{pk_id}")).await; |
| 173 | assert_eq!(r.status, StatusCode::BAD_REQUEST, "{}", r.text()); |
| 174 | assert_eq!(r.json()["code"], "err_passkey_last_credential"); |
| 175 | assert_eq!(admin.get("/api/auth/passkeys").await.json()[0]["id"], pk_id); |
| 176 | } |
| 177 | |
| 178 | #[tokio::test] |
| 179 | async fn one_of_several_passkeys_can_always_go() { |
| 180 | let env = Env::new().await; |
| 181 | let admin = env.admin().await; |
| 182 | let id = user_id(&admin, "admin").await; |
| 183 | give_passkey(&env, id, b"cred-a").await; |
| 184 | give_passkey(&env, id, b"cred-b").await; |
| 185 | |
| 186 | let pk_id = admin.get("/api/auth/passkeys").await.json()[0]["id"] |
| 187 | .as_i64() |
| 188 | .unwrap(); |
| 189 | let r = admin.delete(&format!("/api/auth/passkeys/{pk_id}")).await; |
| 190 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 191 | assert_eq!( |
| 192 | admin |
| 193 | .get("/api/auth/passkeys") |
| 194 | .await |
| 195 | .json() |
| 196 | .as_array() |
| 197 | .unwrap() |
| 198 | .len(), |
| 199 | 1 |
| 200 | ); |
| 201 | } |
| 202 | |
| 203 | #[tokio::test] |
| 204 | async fn another_accounts_passkey_is_out_of_reach() { |
| 205 | let env = Env::new().await; |
| 206 | let admin = env.admin().await; |
| 207 | create_user(&admin, "bob", "bobpass12", &[("docs", "rw")]).await; |
| 208 | let bob_id = user_id(&admin, "bob").await; |
| 209 | give_passkey(&env, bob_id, b"cred-bob2").await; |
| 210 | let bob = login(&env, "bob", "bobpass12").await; |
| 211 | let pk_id = bob.get("/api/auth/passkeys").await.json()[0]["id"] |
| 212 | .as_i64() |
| 213 | .unwrap(); |
| 214 | |
| 215 | // Even an admin cannot reach it here: this route is self-service only. |
| 216 | let r = admin.delete(&format!("/api/auth/passkeys/{pk_id}")).await; |
| 217 | assert_eq!(r.status, StatusCode::NOT_FOUND); |
| 218 | assert_eq!( |
| 219 | bob.get("/api/auth/passkeys") |
| 220 | .await |
| 221 | .json() |
| 222 | .as_array() |
| 223 | .unwrap() |
| 224 | .len(), |
| 225 | 1 |
| 226 | ); |
| 227 | } |
| 228 | |
| 229 | // --------------------------------------------------------------------------- |
| 230 | // Sign-in requirement |
| 231 | // --------------------------------------------------------------------------- |
| 232 | |
| 233 | #[tokio::test] |
| 234 | async fn requiring_both_needs_both_to_exist() { |
| 235 | let env = Env::new().await; |
| 236 | let admin = env.admin().await; |
| 237 | let id = user_id(&admin, "admin").await; |
| 238 | |
| 239 | // No passkey yet. |
| 240 | let r = admin |
| 241 | .put_json("/api/auth/mode", &json!({ "mode": "both" })) |
| 242 | .await; |
| 243 | assert_eq!(r.status, StatusCode::BAD_REQUEST); |
| 244 | assert_eq!(r.json()["code"], "err_mode_needs_passkey"); |
| 245 | |
| 246 | give_passkey(&env, id, b"cred-mode").await; |
| 247 | let r = admin |
| 248 | .put_json("/api/auth/mode", &json!({ "mode": "both" })) |
| 249 | .await; |
| 250 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 251 | assert_eq!( |
| 252 | admin.get("/api/auth/me").await.json()["user"]["auth_mode"], |
| 253 | "both" |
| 254 | ); |
| 255 | } |
| 256 | |
| 257 | #[tokio::test] |
| 258 | async fn requiring_both_blocks_removing_either_half() { |
| 259 | let env = Env::new().await; |
| 260 | let admin = env.admin().await; |
| 261 | let id = user_id(&admin, "admin").await; |
| 262 | give_passkey(&env, id, b"cred-both").await; |
| 263 | admin |
| 264 | .put_json("/api/auth/mode", &json!({ "mode": "both" })) |
| 265 | .await; |
| 266 | |
| 267 | let r = admin.delete("/api/auth/password").await; |
| 268 | assert_eq!(r.status, StatusCode::BAD_REQUEST); |
| 269 | assert_eq!(r.json()["code"], "err_required_by_mode"); |
| 270 | |
| 271 | let pk_id = admin.get("/api/auth/passkeys").await.json()[0]["id"] |
| 272 | .as_i64() |
| 273 | .unwrap(); |
| 274 | let r = admin.delete(&format!("/api/auth/passkeys/{pk_id}")).await; |
| 275 | assert_eq!(r.status, StatusCode::BAD_REQUEST); |
| 276 | assert_eq!(r.json()["code"], "err_required_by_mode"); |
| 277 | } |
| 278 | |
| 279 | #[tokio::test] |
| 280 | async fn the_password_alone_never_signs_in_an_account_that_requires_both() { |
| 281 | let env = Env::new().await; |
| 282 | let admin = env.admin().await; |
| 283 | let id = user_id(&admin, "admin").await; |
| 284 | give_passkey(&env, id, b"cred-2fa").await; |
| 285 | admin |
| 286 | .put_json("/api/auth/mode", &json!({ "mode": "both" })) |
| 287 | .await; |
| 288 | |
| 289 | let c = Client::new(env.app.clone()); |
| 290 | let r = c |
| 291 | .post_json( |
| 292 | "/api/auth/login", |
| 293 | &json!({ "name": "admin", "password": "admin1234" }), |
| 294 | ) |
| 295 | .await; |
| 296 | // Right password, no session: a passkey challenge comes back instead. |
| 297 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 298 | assert!( |
| 299 | session_cookie(&r).is_none(), |
| 300 | "a session was handed out on the password alone" |
| 301 | ); |
| 302 | let j = r.json(); |
| 303 | assert_eq!(j["ok"], false); |
| 304 | assert!(j["passkey_challenge"]["state_id"].is_string()); |
| 305 | assert!( |
| 306 | j["passkey_challenge"]["options"] |
| 307 | .as_str() |
| 308 | .unwrap() |
| 309 | .contains("challenge"), |
| 310 | "the challenge carries no options: {j}" |
| 311 | ); |
| 312 | } |
| 313 | |
| 314 | #[tokio::test] |
| 315 | async fn a_wrong_password_reveals_nothing_about_the_second_factor() { |
| 316 | let env = Env::new().await; |
| 317 | let admin = env.admin().await; |
| 318 | let id = user_id(&admin, "admin").await; |
| 319 | give_passkey(&env, id, b"cred-2fa2").await; |
| 320 | admin |
| 321 | .put_json("/api/auth/mode", &json!({ "mode": "both" })) |
| 322 | .await; |
| 323 | |
| 324 | let c = Client::new(env.app.clone()); |
| 325 | let r = c |
| 326 | .post_json( |
| 327 | "/api/auth/login", |
| 328 | &json!({ "name": "admin", "password": "not-the-password" }), |
| 329 | ) |
| 330 | .await; |
| 331 | assert_eq!(r.status, StatusCode::UNAUTHORIZED); |
| 332 | assert_eq!(r.json()["code"], "err_invalid_credentials"); |
| 333 | } |
| 334 | |
| 335 | // --------------------------------------------------------------------------- |
| 336 | // WebDAV |
| 337 | // --------------------------------------------------------------------------- |
| 338 | |
| 339 | #[tokio::test] |
| 340 | async fn webdav_refuses_an_account_that_requires_a_passkey() { |
| 341 | let env = Env::new().await; |
| 342 | let admin = env.admin().await; |
| 343 | let id = user_id(&admin, "admin").await; |
| 344 | |
| 345 | // Basic auth works before the switch. |
| 346 | let c = Client::new(env.app.clone()); |
| 347 | let r = c |
| 348 | .raw( |
| 349 | Method::from_bytes(b"PROPFIND").unwrap(), |
| 350 | "/dav", |
| 351 | &[ |
| 352 | ("depth", "1"), |
| 353 | ("authorization", &basic("admin", "admin1234")), |
| 354 | ], |
| 355 | Vec::new(), |
| 356 | ) |
| 357 | .await; |
| 358 | assert_eq!(r.status, StatusCode::MULTI_STATUS, "{}", r.text()); |
| 359 | |
| 360 | give_passkey(&env, id, b"cred-dav").await; |
| 361 | admin |
| 362 | .put_json("/api/auth/mode", &json!({ "mode": "both" })) |
| 363 | .await; |
| 364 | |
| 365 | // Basic carries a password and nothing else, so it can no longer stand |
| 366 | // in for both factors. |
| 367 | let r = c |
| 368 | .raw( |
| 369 | Method::from_bytes(b"PROPFIND").unwrap(), |
| 370 | "/dav", |
| 371 | &[ |
| 372 | ("depth", "1"), |
| 373 | ("authorization", &basic("admin", "admin1234")), |
| 374 | ], |
| 375 | Vec::new(), |
| 376 | ) |
| 377 | .await; |
| 378 | assert_eq!(r.status, StatusCode::UNAUTHORIZED, "{}", r.text()); |
| 379 | } |
| 380 | |
| 381 | // --------------------------------------------------------------------------- |
| 382 | // Passkey sign-in |
| 383 | // --------------------------------------------------------------------------- |
| 384 | |
| 385 | #[tokio::test] |
| 386 | async fn a_passkey_challenge_never_names_an_account() { |
| 387 | let env = Env::new().await; |
| 388 | let admin = env.admin().await; |
| 389 | let id = user_id(&admin, "admin").await; |
| 390 | give_passkey(&env, id, b"cred-probe").await; |
| 391 | let c = Client::new(env.app.clone()); |
| 392 | |
| 393 | // This route needs no session. A credential list would say which names |
| 394 | // exist, so a name in the body must change nothing. |
| 395 | for body in [json!({ "name": "admin" }), json!({})] { |
| 396 | let r = c.post_json("/api/auth/passkey/login", &body).await; |
| 397 | assert_eq!(r.status, StatusCode::OK, "{body}: {}", r.text()); |
| 398 | let opts: serde_json::Value = |
| 399 | serde_json::from_str(r.json()["options"].as_str().unwrap()).unwrap(); |
| 400 | let allow = &opts["publicKey"]["allowCredentials"]; |
| 401 | assert!( |
| 402 | allow.is_null() || allow.as_array().is_some_and(Vec::is_empty), |
| 403 | "{body}: {opts}" |
| 404 | ); |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | #[tokio::test] |
| 409 | async fn an_account_cannot_hold_more_passkeys_than_the_limit() { |
| 410 | let env = Env::new().await; |
| 411 | let admin = env.admin().await; |
| 412 | let id = user_id(&admin, "admin").await; |
| 413 | for n in 0..server::db::PASSKEY_LIMIT { |
| 414 | give_passkey(&env, id, format!("cred-{n}").as_bytes()).await; |
| 415 | } |
| 416 | let over = env |
| 417 | .state |
| 418 | .db |
| 419 | .add_passkey(id, b"over", STORED_PASSKEY, "One too many") |
| 420 | .await |
| 421 | .unwrap(); |
| 422 | assert!(over.is_none(), "the limit let an extra passkey through"); |
| 423 | let r = admin |
| 424 | .post_json("/api/auth/passkeys/register", &json!({})) |
| 425 | .await; |
| 426 | assert_eq!(r.status, StatusCode::BAD_REQUEST, "{}", r.text()); |
| 427 | assert_eq!(r.json()["code"], "err_passkey_limit"); |
| 428 | } |
| 429 | |
| 430 | #[tokio::test] |
| 431 | async fn a_conditional_challenge_asks_for_autofill_mediation() { |
| 432 | let env = Env::new().await; |
| 433 | let _ = env.admin().await; |
| 434 | let c = Client::new(env.app.clone()); |
| 435 | let r = c |
| 436 | .post_json("/api/auth/passkey/login", &json!({ "conditional": true })) |
| 437 | .await; |
| 438 | assert_eq!(r.status, StatusCode::OK); |
| 439 | assert!( |
| 440 | r.json()["options"] |
| 441 | .as_str() |
| 442 | .unwrap() |
| 443 | .contains("conditional") |
| 444 | ); |
| 445 | |
| 446 | // The button wants the modal picker, so the same route must not ask for |
| 447 | // mediation there. |
| 448 | let r = c.post_json("/api/auth/passkey/login", &json!({})).await; |
| 449 | assert!( |
| 450 | !r.json()["options"] |
| 451 | .as_str() |
| 452 | .unwrap() |
| 453 | .contains("conditional") |
| 454 | ); |
| 455 | } |
| 456 | |
| 457 | #[tokio::test] |
| 458 | async fn a_handle_cannot_be_answered_twice_or_invented() { |
| 459 | let env = Env::new().await; |
| 460 | let _ = env.admin().await; |
| 461 | let c = Client::new(env.app.clone()); |
| 462 | |
| 463 | let r = c |
| 464 | .post_json( |
| 465 | "/api/auth/passkey/login/finish", |
| 466 | &json!({ "state_id": "never-issued", "credential": "{}" }), |
| 467 | ) |
| 468 | .await; |
| 469 | assert_eq!(r.status, StatusCode::BAD_REQUEST); |
| 470 | assert_eq!(r.json()["code"], "err_challenge_expired"); |
| 471 | |
| 472 | // A real handle, then a garbage answer, then the same handle again. |
| 473 | let begin = c |
| 474 | .post_json("/api/auth/passkey/login", &json!({})) |
| 475 | .await |
| 476 | .json(); |
| 477 | let state_id = begin["state_id"].as_str().unwrap().to_string(); |
| 478 | let body = json!({ "state_id": state_id, "credential": "not json" }); |
| 479 | let r = c.post_json("/api/auth/passkey/login/finish", &body).await; |
| 480 | assert_eq!(r.status, StatusCode::BAD_REQUEST); |
| 481 | let r = c.post_json("/api/auth/passkey/login/finish", &body).await; |
| 482 | assert_eq!(r.json()["code"], "err_challenge_expired"); |
| 483 | } |
| 484 | |
| 485 | #[tokio::test] |
| 486 | async fn a_registration_handle_cannot_be_used_to_sign_in() { |
| 487 | let env = Env::new().await; |
| 488 | let admin = env.admin().await; |
| 489 | let begin = admin |
| 490 | .post_json("/api/auth/passkeys/register", &json!({})) |
| 491 | .await; |
| 492 | assert_eq!(begin.status, StatusCode::OK, "{}", begin.text()); |
| 493 | let state_id = begin.json()["state_id"].as_str().unwrap().to_string(); |
| 494 | |
| 495 | let c = Client::new(env.app.clone()); |
| 496 | let r = c |
| 497 | .post_json( |
| 498 | "/api/auth/passkey/login/finish", |
| 499 | &json!({ "state_id": state_id, "credential": STORED_PASSKEY }), |
| 500 | ) |
| 501 | .await; |
| 502 | assert_eq!(r.status, StatusCode::BAD_REQUEST); |
| 503 | assert!(session_cookie(&r).is_none()); |
| 504 | } |
| 505 | |
| 506 | #[tokio::test] |
| 507 | async fn registration_asks_the_authenticator_to_store_the_credential() { |
| 508 | let env = Env::new().await; |
| 509 | let admin = env.admin().await; |
| 510 | let r = admin |
| 511 | .post_json("/api/auth/passkeys/register", &json!({})) |
| 512 | .await; |
| 513 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 514 | let options = r.json()["options"].as_str().unwrap().to_string(); |
| 515 | // `webauthn-rs` asks for "discouraged" by default. Sign-in only finds |
| 516 | // credentials the authenticator stores itself. |
| 517 | assert!( |
| 518 | options.contains(r#""residentKey":"required""#), |
| 519 | "registration must ask for a discoverable credential: {options}" |
| 520 | ); |
| 521 | // Browsers that predate `residentKey` read only this flag. |
| 522 | assert!( |
| 523 | options.contains(r#""requireResidentKey":true"#), |
| 524 | "{options}" |
| 525 | ); |
| 526 | // User verification too, so a passkey on its own is still two factors. |
| 527 | assert!( |
| 528 | options.contains(r#""userVerification":"required""#), |
| 529 | "{options}" |
| 530 | ); |
| 531 | } |
| 532 | |
| 533 | #[tokio::test] |
| 534 | async fn every_credential_route_needs_a_session() { |
| 535 | let env = Env::new().await; |
| 536 | let _ = env.admin().await; |
| 537 | let c = Client::new(env.app.clone()); |
| 538 | assert_eq!( |
| 539 | c.get("/api/auth/passkeys").await.status, |
| 540 | StatusCode::UNAUTHORIZED |
| 541 | ); |
| 542 | assert_eq!( |
| 543 | c.post_json( |
| 544 | "/api/auth/password", |
| 545 | &json!({ "new_password": "whatever1" }) |
| 546 | ) |
| 547 | .await |
| 548 | .status, |
| 549 | StatusCode::UNAUTHORIZED |
| 550 | ); |
| 551 | assert_eq!( |
| 552 | c.put_json("/api/auth/mode", &json!({ "mode": "either" })) |
| 553 | .await |
| 554 | .status, |
| 555 | StatusCode::UNAUTHORIZED |
| 556 | ); |
| 557 | assert_eq!( |
| 558 | c.post_json("/api/auth/passkeys/register", &json!({})) |
| 559 | .await |
| 560 | .status, |
| 561 | StatusCode::UNAUTHORIZED |
| 562 | ); |
| 563 | assert_eq!( |
| 564 | c.delete("/api/auth/password").await.status, |
| 565 | StatusCode::UNAUTHORIZED |
| 566 | ); |
| 567 | assert_eq!( |
| 568 | c.delete("/api/auth/passkeys/1").await.status, |
| 569 | StatusCode::UNAUTHORIZED |
| 570 | ); |
| 571 | assert_eq!( |
| 572 | c.post_json( |
| 573 | "/api/auth/passkeys/register/finish", |
| 574 | &json!({ "state_id": "x", "name": "k", "credential": "{}" }) |
| 575 | ) |
| 576 | .await |
| 577 | .status, |
| 578 | StatusCode::UNAUTHORIZED |
| 579 | ); |
| 580 | } |
| 581 | |
| 582 | // --------------------------------------------------------------------------- |
| 583 | // Signing in with the passkey first |
| 584 | // --------------------------------------------------------------------------- |
| 585 | |
| 586 | #[tokio::test] |
| 587 | async fn the_passkey_first_order_signs_in_only_with_the_right_password() { |
| 588 | let env = Env::new().await; |
| 589 | let admin = env.admin().await; |
| 590 | let id = user_id(&admin, "admin").await; |
| 591 | give_passkey(&env, id, b"cred-first").await; |
| 592 | admin |
| 593 | .put_json("/api/auth/mode", &json!({ "mode": "both" })) |
| 594 | .await; |
| 595 | let c = Client::new(env.app.clone()); |
| 596 | |
| 597 | // Stand in for a passkey that already verified. This is the only branch |
| 598 | // that hands out a session without a passkey ceremony in the request, so |
| 599 | // it gets checked directly. |
| 600 | let handle = server::webauthn::put(server::webauthn::Pending::NeedsPassword { user_id: id }); |
| 601 | let r = c |
| 602 | .post_json( |
| 603 | "/api/auth/login", |
| 604 | &json!({ "state_id": handle, "password": "wrong-one-1" }), |
| 605 | ) |
| 606 | .await; |
| 607 | assert_eq!(r.status, StatusCode::UNAUTHORIZED, "{}", r.text()); |
| 608 | assert!(session_cookie(&r).is_none(), "a wrong password signed in"); |
| 609 | |
| 610 | // The handle went with that attempt, so it cannot be tried again. That is |
| 611 | // what stops one verified passkey from becoming unlimited password tries. |
| 612 | let r = c |
| 613 | .post_json( |
| 614 | "/api/auth/login", |
| 615 | &json!({ "state_id": handle, "password": "admin1234" }), |
| 616 | ) |
| 617 | .await; |
| 618 | assert_eq!(r.status, StatusCode::BAD_REQUEST, "{}", r.text()); |
| 619 | assert_eq!(r.json()["code"], "err_challenge_expired"); |
| 620 | assert!(session_cookie(&r).is_none()); |
| 621 | |
| 622 | // A fresh handle and the right password: now it is a session. |
| 623 | let handle = server::webauthn::put(server::webauthn::Pending::NeedsPassword { user_id: id }); |
| 624 | let r = c |
| 625 | .post_json( |
| 626 | "/api/auth/login", |
| 627 | &json!({ "state_id": handle, "password": "admin1234" }), |
| 628 | ) |
| 629 | .await; |
| 630 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 631 | assert!( |
| 632 | session_cookie(&r).is_some(), |
| 633 | "the right password got nothing" |
| 634 | ); |
| 635 | } |
| 636 | |
| 637 | #[tokio::test] |
| 638 | async fn an_invented_login_handle_is_refused() { |
| 639 | let env = Env::new().await; |
| 640 | let admin = env.admin().await; |
| 641 | let c = Client::new(env.app.clone()); |
| 642 | let r = c |
| 643 | .post_json( |
| 644 | "/api/auth/login", |
| 645 | &json!({ "state_id": "never-issued", "password": "admin1234" }), |
| 646 | ) |
| 647 | .await; |
| 648 | assert_eq!(r.status, StatusCode::BAD_REQUEST, "{}", r.text()); |
| 649 | assert!(session_cookie(&r).is_none()); |
| 650 | |
| 651 | // A registration handle names a user too, but it is not a passed factor. |
| 652 | let begin = admin |
| 653 | .post_json("/api/auth/passkeys/register", &json!({})) |
| 654 | .await; |
| 655 | let handle = begin.json()["state_id"].as_str().unwrap().to_string(); |
| 656 | let r = c |
| 657 | .post_json( |
| 658 | "/api/auth/login", |
| 659 | &json!({ "state_id": handle, "password": "admin1234" }), |
| 660 | ) |
| 661 | .await; |
| 662 | assert_eq!(r.status, StatusCode::BAD_REQUEST, "{}", r.text()); |
| 663 | assert!(session_cookie(&r).is_none()); |
| 664 | } |
| 665 | |
| 666 | #[tokio::test] |
| 667 | async fn signing_in_works_on_a_host_passkeys_cannot_use() { |
| 668 | let env = Env::new().await; |
| 669 | let _ = env.admin().await; |
| 670 | let c = Client::new(env.app.clone()); |
| 671 | // WebAuthn needs a registrable domain, and a bare IP is not one. That must |
| 672 | // cost passkeys only, never the password sign-in every deployment uses. |
| 673 | // `--bind 127.0.0.1` is the default, so this is the normal case. |
| 674 | let r = c |
| 675 | .raw( |
| 676 | Method::POST, |
| 677 | "/api/auth/login", |
| 678 | &[ |
| 679 | ("content-type", "application/json"), |
| 680 | ("host", "192.168.1.10:8080"), |
| 681 | ], |
| 682 | json!({ "name": "admin", "password": "admin1234" }) |
| 683 | .to_string() |
| 684 | .into_bytes(), |
| 685 | ) |
| 686 | .await; |
| 687 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 688 | assert!(session_cookie(&r).is_some()); |
| 689 | } |
| 690 | |
| 691 | // --------------------------------------------------------------------------- |
| 692 | // Admin recovery |
| 693 | // --------------------------------------------------------------------------- |
| 694 | |
| 695 | #[tokio::test] |
| 696 | async fn an_admin_password_clears_the_passkeys_and_the_requirement() { |
| 697 | let env = Env::new().await; |
| 698 | let admin = env.admin().await; |
| 699 | create_user(&admin, "bob", "bobpass12", &[("docs", "rw")]).await; |
| 700 | let bob_id = user_id(&admin, "bob").await; |
| 701 | give_passkey(&env, bob_id, b"cred-locked").await; |
| 702 | env.state |
| 703 | .db |
| 704 | .set_user_auth_mode(bob_id, api_types::AuthMode::Both) |
| 705 | .await |
| 706 | .unwrap(); |
| 707 | |
| 708 | // An edit that sets no password leaves bob's credentials alone. |
| 709 | let r = admin |
| 710 | .put_json( |
| 711 | &format!("/api/admin/users/{bob_id}"), |
| 712 | &json!({ "active": true }), |
| 713 | ) |
| 714 | .await; |
| 715 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 716 | assert_eq!(env.state.db.count_passkeys(bob_id).await.unwrap(), 1); |
| 717 | |
| 718 | // Setting one is the recovery path, and it is the whole recovery: the |
| 719 | // admin cannot hand over a password and leave a second factor bob no |
| 720 | // longer has. |
| 721 | let r = admin |
| 722 | .put_json( |
| 723 | &format!("/api/admin/users/{bob_id}"), |
| 724 | &json!({ "password": "rescued12" }), |
| 725 | ) |
| 726 | .await; |
| 727 | assert_eq!(r.status, StatusCode::OK, "{}", r.text()); |
| 728 | |
| 729 | // Bob is back on a plain password sign-in, with no passkeys left. |
| 730 | let bob = login(&env, "bob", "rescued12").await; |
| 731 | let me = bob.get("/api/auth/me").await.json(); |
| 732 | assert_eq!(me["user"]["auth_mode"], "either"); |
| 733 | assert_eq!(me["user"]["has_password"], true); |
| 734 | assert_eq!( |
| 735 | bob.get("/api/auth/passkeys").await.json(), |
| 736 | json!([]), |
| 737 | "the passkeys survived the reset" |
| 738 | ); |
| 739 | } |
| 740 | |
| 741 | #[tokio::test] |
| 742 | async fn deleting_an_account_takes_its_passkeys_with_it() { |
| 743 | let env = Env::new().await; |
| 744 | let admin = env.admin().await; |
| 745 | create_user(&admin, "bob", "bobpass12", &[("docs", "rw")]).await; |
| 746 | let bob_id = user_id(&admin, "bob").await; |
| 747 | give_passkey(&env, bob_id, b"cred-gone").await; |
| 748 | |
| 749 | let r = admin.delete(&format!("/api/admin/users/{bob_id}")).await; |
| 750 | assert_eq!(r.status, StatusCode::OK); |
| 751 | assert_eq!(env.state.db.count_passkeys(bob_id).await.unwrap(), 0); |
| 752 | } |
| 753 |