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g1t/services/identity/src/lib.rs

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1//! The identity service: accounts, sessions, SSH keys and access tokens.
2//!
3//! Reached only through service bindings; see `g1t_contracts::identity` for
4//! the methods and their arguments.
5
6mod access;
7mod admin;
8mod aliases;
9mod avatars;
10mod crypto;
11mod deletion;
12mod device;
13mod directory;
14mod email;
15mod emails;
16mod github;
17mod invites;
18mod members;
19mod oauth;
20mod paid;
21mod profiles;
22mod rename;
23mod job_tokens;
24mod run_credentials;
25mod security;
26mod teams;
27mod throttle;
28mod tokens;
29mod two_factor;
30mod workspaces;
31
32use g1t_contracts::identity::*;
33use g1t_contracts::time::{SQL_NOW, rfc3339, sql_after};
34use g1t_contracts::{FailureCode, Outcome, User, Viewer, claimable_namespace, new_id};
35use g1t_kit::{args, now_ms, reply, rpc_method};
36use serde::Deserialize;
37use tokens::TOKEN_PREFIX;
38use worker::wasm_bindgen::JsValue;
39use worker::{Context, D1Database, Env, Request, Response, Result, ScheduleContext, ScheduledEvent, event};
40
41const SESSION_TTL_SECONDS: u64 = 30 * 24 * 60 * 60;
42const VERIFY_TTL_SECONDS: u64 = 24 * 60 * 60;
43const RESET_TTL_SECONDS: u64 = 60 * 60;
44const MIN_PASSWORD_LENGTH: usize = 10;
45const PASSWORD_TOO_SHORT: &str = "Use a password of at least 10 characters.";
46
47/// A user as selected from the database; `verified` arrives as 0 or 1.
48#[derive(Deserialize)]
49struct Account {
50 id: String,
51 username: String,
52 verified: u8,
53 /// Selected only where the person is being shown to themselves.
54 #[serde(default)]
55 avatar: Option<String>,
56}
57
58impl From<Account> for User {
59 fn from(row: Account) -> Self {
60 User {
61 id: row.id,
62 username: row.username,
63 verified: row.verified != 0,
64 avatar: row.avatar,
65 ..User::default()
66 }
67 }
68}
69
70#[derive(Deserialize)]
71struct UserRow {
72 id: String,
73 username: String,
74 password_hash: String,
75 verified: u8,
76}
77
78/// The owner of an emailed token.
79#[derive(Deserialize)]
80struct TokenOwner {
81 id: String,
82 username: String,
83 /// The address a link was sent to; null on links from before accounts
84 /// had several, which are for the primary.
85 #[serde(default)]
86 email_id: Option<String>,
87}
88
89#[derive(Deserialize)]
90struct KeyRow {
91 id: String,
92 title: String,
93 fingerprint: String,
94 created_at: String,
95}
96
97impl From<KeyRow> for SshKey {
98 fn from(row: KeyRow) -> Self {
99 SshKey {
100 id: row.id,
101 title: row.title,
102 fingerprint: row.fingerprint,
103 created_at: row.created_at,
104 }
105 }
106}
107
108struct Identity {
109 db: D1Database,
110 env: Env,
111}
112
113impl Identity {
114 /// Runs a query that returns at most one user, for showing to others:
115 /// without their workspaces.
116 async fn find_public_user(&self, sql: &str, param: &str) -> Result<Viewer> {
117 Ok(self
118 .db
119 .prepare(sql)
120 .bind(&[JsValue::from(param)])?
121 .first::<Account>(None)
122 .await?
123 .map(User::from))
124 }
125
126 /// Attaches the workspaces a user belongs to, so that any service can
127 /// authorize them without asking again.
128 async fn with_workspaces(&self, user: Viewer) -> Result<Viewer> {
129 let Some(mut user) = user else {
130 return Ok(None);
131 };
132 let memberships = self.memberships_and_policies(&user.id).await?;
133 // Roles on single repositories, under the same policy (access.rs).
134 let grants = self.grants_of(&user.id).await?;
135 // Access to a workspace is used only within its policy; see security.rs.
136 let within = self.within_policy(&user.id, memberships, grants).await?;
137 user.workspaces = within.memberships;
138 user.grants = within.grants;
139 user.held = within.held;
140 Ok(Some(user))
141 }
142
143 /// Runs a query that resolves credentials to at most one user.
144 async fn find_user(&self, sql: &str, param: &str) -> Result<Viewer> {
145 let user = self.find_public_user(sql, param).await?;
146 self.with_workspaces(user).await
147 }
148
149 /// Stores a one-time token of `kind` for the user and returns it.
150 async fn issue_email_token(&self, user_id: &str, kind: &str, ttl: u64) -> Result<String> {
151 let token = crypto::random_hex(32);
152 self.db
153 .prepare(format!(
154 "INSERT INTO email_tokens (id, user_id, kind, expires_at)
155 VALUES (?, ?, ?, {})",
156 sql_after(ttl)
157 ))
158 .bind(&[
159 crypto::sha256_hex(&token).into(),
160 user_id.into(),
161 kind.into(),
162 ])?
163 .run()
164 .await?;
165 Ok(token)
166 }
167
168 /// Consumes a token of `kind`, returning its owner if it was valid.
169 async fn redeem_email_token(&self, token: &str, kind: &str) -> Result<Option<TokenOwner>> {
170 let id = crypto::sha256_hex(token);
171 let owner = self
172 .db
173 .prepare(format!(
174 "SELECT users.id, users.username, email_tokens.email_id FROM email_tokens
175 JOIN users ON users.id = email_tokens.user_id
176 WHERE email_tokens.id = ? AND email_tokens.kind = ?
177 AND email_tokens.expires_at > {SQL_NOW}"
178 ))
179 .bind(&[id.as_str().into(), kind.into()])?
180 .first::<TokenOwner>(None)
181 .await?;
182 if let Some(owner) = &owner {
183 // Every outstanding token of this kind dies with the one used:
184 // every reset link, and every confirmation link for the same
185 // address (another address's links still work).
186 self.db
187 .prepare(
188 "DELETE FROM email_tokens WHERE user_id = ?1 AND kind = ?2
189 AND (?2 = 'reset' OR email_id IS ?3)",
190 )
191 .bind(&[
192 owner.id.as_str().into(),
193 kind.into(),
194 owner.email_id.as_deref().map_or(JsValue::NULL, Into::into),
195 ])?
196 .run()
197 .await?;
198 }
199 Ok(owner)
200 }
201
202 async fn send_verification(&self, user: &User, email: &str) -> Result<()> {
203 let token = self
204 .issue_email_token(&user.id, "verify", VERIFY_TTL_SECONDS)
205 .await?;
206 email::send_verification(&self.env, email, &user.username, &token).await
207 }
208
209 async fn resend_verification(&self, a: UserArgs) -> Result<Outcome<bool>> {
210 if !self.allow(throttle::CONFIRM_ACCOUNT, &a.user.id).await? {
211 return Ok(Outcome::fail(FailureCode::Conflict, "Too many confirmation emails this hour. Check your inbox, or try again later."));
212 }
213 self.resend_primary(&a.user).await
214 }
215
216 async fn verify_email(&self, a: EmailTokenArgs) -> Result<Outcome<User>> {
217 let Some(owner) = self.redeem_email_token(&a.token, "verify").await? else {
218 return Ok(Outcome::fail(
219 FailureCode::Invalid,
220 "This confirmation link is not valid or has expired.",
221 ));
222 };
223 if let Outcome::Fail(failure) = self.confirm_address(&owner.id, owner.email_id.as_deref()).await? {
224 return Ok(Outcome::Fail(failure));
225 }
226 // Whether the account is confirmed: whether its primary is.
227 let verified = self
228 .find_public_user(
229 "SELECT id, username, email_verified_at IS NOT NULL AS verified FROM users WHERE id = ?",
230 &owner.id,
231 )
232 .await?
233 .is_some_and(|user| user.verified);
234 Ok(Outcome::Ok(User {
235 id: owner.id,
236 username: owner.username,
237 verified,
238 ..User::default()
239 }))
240 }
241
242 /// Any confirmed address of an account can ask for a reset; so can the
243 /// unconfirmed address a new account signed up with. See emails.rs.
244 async fn request_password_reset(&self, a: EmailArgs) -> Result<bool> {
245 let allowed = self.allow(throttle::RESET_EMAIL, &a.email).await?
246 && match a.client.as_deref() {
247 Some(client) => self.allow(throttle::RESET_CLIENT, client).await?,
248 None => true,
249 };
250 if allowed && let Some(target) = self.reset_target(&a.email).await? {
251 // A failure from here on happens only for a real account, so it
252 // is logged, never answered: the reply below stays the same.
253 if let Err(error) = self.send_reset(&target).await {
254 worker::console_error!("password reset for a known address failed: {error}");
255 }
256 }
257 // The same answer either way, so addresses cannot be probed.
258 Ok(true)
259 }
260
261 /// Saves a reset link for `target` and mails it, telling the account's
262 /// other addresses.
263 async fn send_reset(&self, target: &emails::ResetTarget) -> Result<()> {
264 {
265 let token = crypto::random_hex(32);
266 self.db
267 .prepare(format!(
268 "INSERT INTO email_tokens (id, user_id, kind, expires_at, email_id)
269 VALUES (?, ?, 'reset', {}, ?)",
270 sql_after(RESET_TTL_SECONDS)
271 ))
272 .bind(&[
273 crypto::sha256_hex(&token).into(),
274 target.user_id.as_str().into(),
275 target.email_id.as_str().into(),
276 ])?
277 .run()
278 .await?;
279 email::send_password_reset(&self.env, &target.display, &target.username, &token).await?;
280 // The primary and the backup hear of it when it went elsewhere.
281 let elsewhere = self.notice_recipients(&target.user_id, false).await?;
282 for address in elsewhere.iter().filter(|address| !address.eq_ignore_ascii_case(&target.display)) {
283 let change = format!("A password reset was asked for through {}", target.display);
284 if let Err(error) = email::send_security_notice(&self.env, address, &target.username, &change).await {
285 worker::console_error!("security notice failed: {error}");
286 }
287 }
288 }
289 Ok(())
290 }
291
292 async fn reset_password(&self, a: ResetPasswordArgs) -> Result<Outcome<User>> {
293 if a.password.chars().count() < MIN_PASSWORD_LENGTH {
294 return Ok(Outcome::fail(FailureCode::Invalid, PASSWORD_TOO_SHORT));
295 }
296 let Some(owner) = self.redeem_email_token(&a.token, "reset").await? else {
297 return Ok(Outcome::fail(
298 FailureCode::Invalid,
299 "This reset link is not valid or has expired.",
300 ));
301 };
302 self.db
303 .prepare("UPDATE users SET password_hash = ? WHERE id = ?")
304 .bind(&[
305 crypto::hash_password(&a.password).into(),
306 owner.id.as_str().into(),
307 ])?
308 .run()
309 .await?;
310 // Following an emailed link also proves the address it went to
311 // (unless another account confirmed it first).
312 let _ = self.confirm_address(&owner.id, owner.email_id.as_deref()).await?;
313 // Anyone signed in with the old password is signed out, and nobody
314 // stays locked out by the wrong guesses before it.
315 self.db
316 .prepare("DELETE FROM sessions WHERE user_id = ?")
317 .bind(&[owner.id.as_str().into()])?
318 .run()
319 .await?;
320 self.clear(&throttle::key(throttle::PASSWORD_ACCOUNT, &owner.id)).await?;
321 self.log_security(&owner.id, "password_changed", None, None).await;
322 self.tell_primary_and_backup(&owner.id, &owner.username, "Your password was changed").await;
323 let verified = self
324 .find_public_user(
325 "SELECT id, username, email_verified_at IS NOT NULL AS verified FROM users WHERE id = ?",
326 &owner.id,
327 )
328 .await?
329 .is_some_and(|user| user.verified);
330 Ok(Outcome::Ok(User {
331 id: owner.id,
332 username: owner.username,
333 verified,
334 ..User::default()
335 }))
336 }
337
338 /// The account a login names: a username, or any confirmed address.
339 async fn password_row(&self, login: &str) -> Result<Option<UserRow>> {
340 let login = login.trim().to_lowercase();
341 let (column, value) = if login.contains('@') {
342 match self.user_with_verified_email(&login).await? {
343 Some(id) => ("id", id),
344 None => return Ok(None),
345 }
346 } else {
347 ("username", login)
348 };
349 self.db
350 .prepare(format!(
351 "SELECT id, username, password_hash, email_verified_at IS NOT NULL AS verified FROM users WHERE {column} = ?"
352 ))
353 .bind(&[JsValue::from(value)])?
354 .first::<UserRow>(None)
355 .await
356 }
357
358 /// Checks a password for a login, throttled (see throttle.rs). The
359 /// refusal is one of two messages, the same for every account.
360 async fn checked_password(
361 &self,
362 login: &str,
363 password: &str,
364 client: Option<&str>,
365 ) -> Result<std::result::Result<User, &'static str>> {
366 let row = self.password_row(login).await?;
367 let subject = row.as_ref().map_or_else(|| login.trim().to_lowercase(), |row| row.id.clone());
368 let (account_key, client_key) = Identity::password_keys(&subject, client);
369 if self.password_locked(&account_key, client_key.as_deref()).await? {
370 return Ok(Err(throttle::THROTTLED));
371 }
372 let owner = row.as_ref().map(|row| (row.id.clone(), row.username.clone()));
373 match row.filter(|row| !row.password_hash.is_empty() && crypto::verify_password(password, &row.password_hash)) {
374 Some(row) => {
375 self.clear(&account_key).await?;
376 Ok(Ok(User {
377 id: row.id,
378 username: row.username,
379 verified: row.verified != 0,
380 ..User::default()
381 }))
382 }
383 None => {
384 let owner = owner.as_ref().map(|(id, name)| (id.as_str(), name.as_str()));
385 self.password_failed(&account_key, client_key.as_deref(), owner).await?;
386 Ok(Err("Incorrect username or password."))
387 }
388 }
389 }
390
391 /// Git over HTTPS with the account's password. With two-factor
392 /// authentication on, a password alone is never enough: use an access
393 /// token (two_factor.rs).
394 async fn user_for_password(&self, login: &str, password: &str) -> Result<Viewer> {
395 let user = self.checked_password(login, password, None).await?.ok();
396 if let Some(user) = &user
397 && self.two_factor_enabled(&user.id).await?
398 {
399 return Ok(None);
400 }
401 self.with_workspaces(user).await
402 }
403
404 async fn register(&self, a: RegisterArgs) -> Result<Outcome<SignedIn>> {
405 let username = a.username.trim().to_lowercase();
406 let claimable = claimable_namespace(&username).is_some();
407 let email = a.email.trim().to_lowercase();
408 let invalid = |message: &str| Ok(Outcome::fail(FailureCode::Invalid, message));
409 let invite_code = a.invite_code.as_deref().map(str::trim).filter(|code| !code.is_empty());
410 // The invite first: without one, nothing else on the form matters.
411 if self.invites_required() && invite_code.is_none() {
412 return Ok(Outcome::fail(FailureCode::Forbidden, invites::MISSING));
413 }
414 if !claimable {
415 return invalid(
416 "Usernames use lowercase letters, digits and single hyphens, up to 39 characters, and cannot be a reserved word.",
417 );
418 }
419 let well_formed_email = email
420 .split_once('@')
421 .is_some_and(|(local, domain)| !local.is_empty() && domain.contains('.'))
422 && !email.contains(char::is_whitespace);
423 if !well_formed_email {
424 return invalid("Enter a valid email address.");
425 }
426 if a.password.chars().count() < MIN_PASSWORD_LENGTH {
427 return invalid(PASSWORD_TOO_SHORT);
428 }
429 let taken = self
430 .db
431 // Usernames and workspaces share one namespace, so that a name
432 // means the same thing wherever it appears.
433 // An address is taken once an account has confirmed it; an
434 // unconfirmed one goes to whoever confirms it first (emails.rs).
435 .prepare(
436 "SELECT username FROM users WHERE username = ?
437 UNION ALL SELECT email FROM user_emails WHERE email = ? AND verified_at IS NOT NULL
438 UNION ALL SELECT slug FROM workspaces WHERE slug = ?",
439 )
440 .bind(&[
441 username.as_str().into(),
442 email.as_str().into(),
443 username.as_str().into(),
444 ])?
445 .first::<serde_json::Value>(None)
446 .await?;
447 // A renamed workspace's old slug stays reserved for it a while, and
448 // a deleted workspace's for good.
449 if taken.is_some() || self.slug_held(&username).await? || self.slug_deleted(&username).await? {
450 return Ok(Outcome::fail(
451 FailureCode::Conflict,
452 "That username or email is already registered.",
453 ));
454 }
455 let password_hash = crypto::hash_password(&a.password);
456 let user = match self
457 .create_account(invites::NewAccount {
458 username: &username,
459 email: &email,
460 password_hash: &password_hash,
461 verified: false,
462 invite_code,
463 client: a.client.as_deref(),
464 })
465 .await?
466 {
467 Outcome::Ok(user) => user,
468 Outcome::Fail(failure) => return Ok(Outcome::Fail(failure)),
469 };
470 // The account exists either way; the email can be sent again later.
471 // An invite sent to this address confirmed it already (invites.rs).
472 if !user.verified
473 && let Err(error) = self.send_verification(&user, &email).await
474 {
475 worker::console_error!("verification email failed: {error}");
476 }
477 self.start_session(user).await
478 }
479
480 async fn sign_in(&self, a: SignInArgs) -> Result<Outcome<SignedIn>> {
481 let user = match self.checked_password(&a.username, &a.password, a.client.as_deref()).await? {
482 Ok(user) => user,
483 Err(message) => return Ok(Outcome::fail(FailureCode::Unauthenticated, message)),
484 };
485 let user = self.with_workspaces(Some(user)).await?.unwrap_or_default();
486 self.start_session(user).await
487 }
488
489 /// Starts a session for someone who just proved their password (or
490 /// GitHub account). With two-factor authentication on, it starts none:
491 /// it returns a challenge for `two_factor_sign_in` (two_factor.rs).
492 async fn start_session(&self, user: User) -> Result<Outcome<SignedIn>> {
493 if self.two_factor_enabled(&user.id).await? {
494 let challenge = self.issue_challenge(&user.id).await?;
495 return Ok(Outcome::Ok(SignedIn {
496 user: User { workspaces: Vec::new(), grants: Vec::new(), held: Vec::new(), ..user },
497 session_token: String::new(),
498 two_factor_challenge: Some(challenge),
499 }));
500 }
501 self.session_for(user).await
502 }
503
504 /// A new session for `user`, who has proved who they are in full.
505 async fn session_for(&self, user: User) -> Result<Outcome<SignedIn>> {
506 let session_token = crypto::random_hex(32);
507 self.db
508 .prepare(format!(
509 // Signing in is proof it is the person: see security.rs.
510 "INSERT INTO sessions (id, user_id, expires_at, authenticated_at) VALUES (?, ?, {}, {SQL_NOW})",
511 sql_after(SESSION_TTL_SECONDS)
512 ))
513 .bind(&[
514 crypto::sha256_hex(&session_token).into(),
515 user.id.as_str().into(),
516 ])?
517 .run()
518 .await?;
519 Ok(Outcome::Ok(SignedIn {
520 user,
521 session_token,
522 two_factor_challenge: None,
523 }))
524 }
525
526 async fn sign_out(&self, a: SessionArgs) -> Result<()> {
527 self.db
528 .prepare("DELETE FROM sessions WHERE id = ?")
529 .bind(&[crypto::sha256_hex(&a.session_token).into()])?
530 .run()
531 .await?;
532 Ok(())
533 }
534
535 async fn user_for_session(&self, a: SessionArgs) -> Result<Viewer> {
536 self.find_user(
537 &format!(
538 "SELECT users.id, users.username, users.email_verified_at IS NOT NULL AS verified,
539 users.avatar
540 FROM sessions JOIN users ON users.id = sessions.user_id
541 WHERE sessions.id = ? AND sessions.expires_at > {SQL_NOW}"
542 ),
543 &crypto::sha256_hex(&a.session_token),
544 )
545 .await
546 }
547
548 async fn user_for_git_credentials(&self, a: GitCredentialsArgs) -> Result<Viewer> {
549 // Like GitHub, a token alone identifies its user.
550 if a.secret.starts_with(TOKEN_PREFIX) {
551 self.user_for_access_token(&a.secret).await
552 } else {
553 self.user_for_password(&a.username, &a.secret).await
554 }
555 }
556
557 async fn user_for_ssh_key(&self, a: FingerprintArgs) -> Result<Viewer> {
558 self.find_user(
559 "SELECT users.id, users.username, users.email_verified_at IS NOT NULL AS verified FROM ssh_keys
560 JOIN users ON users.id = ssh_keys.user_id
561 WHERE fingerprint = ?",
562 &a.fingerprint,
563 )
564 .await
565 }
566
567 async fn user_by_username(&self, a: UsernameArgs) -> Result<Viewer> {
568 self.find_public_user(
569 "SELECT id, username, email_verified_at IS NOT NULL AS verified FROM users WHERE username = ?",
570 &a.username.to_lowercase(),
571 )
572 .await
573 }
574
575 /// `notify_by_email`: an inbox item, emailed to the person it is for,
576 /// only at a confirmed address and only while they can still read the
577 /// repository it is about. Returns whether it was sent.
578 async fn notify_by_email(&self, a: g1t_contracts::inbox::NotifyByEmailArgs) -> Result<bool> {
579 #[derive(Deserialize)]
580 struct Address {
581 email: Option<String>,
582 }
583 let user = self
584 .find_user(
585 "SELECT id, username, email_verified_at IS NOT NULL AS verified FROM users WHERE username = ?",
586 &a.username.to_lowercase(),
587 )
588 .await?;
589 let Some(user) = user.filter(|user| user.verified) else {
590 return Ok(false);
591 };
592 let readable: Vec<g1t_contracts::repos::Repo> = g1t_kit::call(
593 &self.env.service("REPOS")?,
594 "readable",
595 &g1t_contracts::repos::ReadableArgs {
596 ids: vec![a.repo_id.clone()],
597 viewer: Some(user.clone()),
598 },
599 )
600 .await?;
601 if readable.is_empty() {
602 return Ok(false);
603 }
604 let address = self
605 .db
606 .prepare("SELECT email FROM users WHERE id = ?")
607 .bind(&[user.id.as_str().into()])?
608 .first::<Address>(None)
609 .await?
610 .and_then(|row| row.email)
611 .filter(|email| !email.trim().is_empty());
612 let Some(address) = address else {
613 return Ok(false);
614 };
615 email::send_notification(&self.env, &address, &a).await?;
616 Ok(true)
617 }
618
619 async fn usernames(&self, a: UsernamesArgs) -> Result<std::collections::HashMap<String, String>> {
620 #[derive(serde::Deserialize)]
621 struct Named {
622 id: String,
623 name: String,
624 }
625 let ids: Vec<String> = a.ids.into_iter().take(200).collect();
626 let mut names = std::collections::HashMap::new();
627 if ids.is_empty() {
628 return Ok(names);
629 }
630 let marks = vec!["?"; ids.len()].join(", ");
631 let bind: Vec<worker::wasm_bindgen::JsValue> = ids.iter().map(|id| id.as_str().into()).collect();
632 for sql in [
633 format!("SELECT id, username AS name FROM users WHERE id IN ({marks})"),
634 format!("SELECT id, slug AS name FROM workspaces WHERE id IN ({marks})"),
635 ] {
636 for row in self.db.prepare(sql).bind(&bind)?.all().await?.results::<Named>()? {
637 names.insert(row.id, row.name);
638 }
639 }
640 Ok(names)
641 }
642
643 /// `accounts`: the accounts behind these ids (at most 200), each with
644 /// its username and avatar, for lists that keep ids, such as who
645 /// starred a repository. Ids of no account are left out.
646 async fn accounts(&self, a: UsernamesArgs) -> Result<std::collections::HashMap<String, g1t_contracts::accounts::EmailOwner>> {
647 #[derive(serde::Deserialize)]
648 struct Row {
649 id: String,
650 username: String,
651 avatar: Option<String>,
652 }
653 let ids: Vec<String> = a.ids.into_iter().take(200).collect();
654 let mut found = std::collections::HashMap::new();
655 if ids.is_empty() {
656 return Ok(found);
657 }
658 let marks = vec!["?"; ids.len()].join(", ");
659 let bind: Vec<worker::wasm_bindgen::JsValue> = ids.iter().map(|id| id.as_str().into()).collect();
660 let rows = self
661 .db
662 .prepare(format!("SELECT id, username, avatar FROM users WHERE id IN ({marks})"))
663 .bind(&bind)?
664 .all()
665 .await?
666 .results::<Row>()?;
667 for row in rows {
668 found.insert(row.id.clone(), g1t_contracts::accounts::EmailOwner { id: row.id, username: row.username, avatar: row.avatar });
669 }
670 Ok(found)
671 }
672
673 async fn list_ssh_keys(&self, a: UserArgs) -> Result<Vec<SshKey>> {
674 let rows = self
675 .db
676 .prepare("SELECT id, title, fingerprint, created_at FROM ssh_keys WHERE user_id = ? ORDER BY id")
677 .bind(&[a.user.id.into()])?
678 .all()
679 .await?
680 .results::<KeyRow>()?;
681 Ok(rows.into_iter().map(SshKey::from).collect())
682 }
683
684 /// The account (user id) that registered each key, by fingerprint
685 /// (`SHA256:…`). At most 100; unknown keys are left out.
686 async fn ssh_key_owners(&self, a: SshKeyOwnersArgs) -> Result<std::collections::HashMap<String, String>> {
687 #[derive(serde::Deserialize)]
688 struct Row {
689 fingerprint: String,
690 user_id: String,
691 }
692 let fingerprints: Vec<&String> = a.fingerprints.iter().take(100).collect();
693 if fingerprints.is_empty() {
694 return Ok(std::collections::HashMap::new());
695 }
696 let marks = vec!["?"; fingerprints.len()].join(", ");
697 let binds: Vec<JsValue> = fingerprints.iter().map(|fingerprint| fingerprint.as_str().into()).collect();
698 Ok(self
699 .db
700 .prepare(format!("SELECT fingerprint, user_id FROM ssh_keys WHERE fingerprint IN ({marks})"))
701 .bind(&binds)?
702 .all()
703 .await?
704 .results::<Row>()?
705 .into_iter()
706 .map(|row| (row.fingerprint, row.user_id))
707 .collect())
708 }
709
710 async fn add_ssh_key(&self, a: AddSshKeyArgs) -> Result<Outcome<SshKey>> {
711 let Some(key) = crypto::parse_ssh_key(&a.public_key) else {
712 return Ok(Outcome::fail(
713 FailureCode::Invalid,
714 "That is not a valid OpenSSH public key.",
715 ));
716 };
717 let taken = self
718 .db
719 .prepare("SELECT id FROM ssh_keys WHERE fingerprint = ?")
720 .bind(&[key.fingerprint.as_str().into()])?
721 .first::<serde_json::Value>(None)
722 .await?;
723 if taken.is_some() {
724 return Ok(Outcome::fail(
725 FailureCode::Conflict,
726 "That key is already registered.",
727 ));
728 }
729 let now = now_ms();
730 let title = [a.title.trim(), key.comment.as_str(), "SSH key"]
731 .into_iter()
732 .find(|candidate| !candidate.is_empty())
733 .unwrap_or_default()
734 .to_owned();
735 let row = KeyRow {
736 id: new_id("key", now),
737 title,
738 fingerprint: key.fingerprint,
739 created_at: rfc3339(now),
740 };
741 self.db
742 .prepare(
743 "INSERT INTO ssh_keys (id, user_id, title, public_key, fingerprint, created_at)
744 VALUES (?, ?, ?, ?, ?, ?)",
745 )
746 .bind(&[
747 row.id.as_str().into(),
748 a.user.id.as_str().into(),
749 row.title.as_str().into(),
750 key.public_key.into(),
751 row.fingerprint.as_str().into(),
752 row.created_at.as_str().into(),
753 ])?
754 .run()
755 .await?;
756 let shown = format!("{} ({})", row.title, row.fingerprint);
757 self.log_security(&a.user.id, "ssh_key_added", Some(&shown), None).await;
758 self.audit_account(&a.user, "ssh_key.added", &format!("Added SSH key {shown}")).await;
759 Ok(Outcome::Ok(row.into()))
760 }
761
762 /// Deletes one of the person's SSH keys.
763 async fn remove_ssh_key(&self, a: RemoveArgs) -> Result<()> {
764 #[derive(Deserialize)]
765 struct Removed {
766 title: String,
767 fingerprint: String,
768 }
769 let removed = self
770 .db
771 .prepare("DELETE FROM ssh_keys WHERE id = ? AND user_id = ? RETURNING title, fingerprint")
772 .bind(&[a.id.as_str().into(), a.user.id.as_str().into()])?
773 .first::<Removed>(None)
774 .await?;
775 if let Some(removed) = removed {
776 let shown = format!("{} ({})", removed.title, removed.fingerprint);
777 self.log_security(&a.user.id, "ssh_key_removed", Some(&shown), None).await;
778 self.audit_account(&a.user, "ssh_key.removed", &format!("Removed SSH key {shown}")).await;
779 }
780 Ok(())
781 }
782}
783
784/// Every 15 minutes: staff hear about waitlist requests that arrived while
785/// the last summary's window was still open, so none waits on a later one;
786/// and deleted workspaces past their restore window are purged
787/// (deletion.rs).
788#[event(scheduled)]
789async fn scheduled(_event: ScheduledEvent, env: Env, _ctx: ScheduleContext) {
790 let Ok(db) = env.d1("DB") else { return };
791 let identity = Identity { db, env };
792 if let Err(error) = identity.notify_staff_of_requests().await {
793 worker::console_error!("waitlist summary: {error}");
794 }
795 if let Err(error) = identity.purge_due_workspaces().await {
796 worker::console_error!("workspace purge: {error}");
797 }
798 // Once: creators of repositories made before they got Admin (members.rs).
799 if let Err(error) = identity.backfill_creator_grants().await {
800 worker::console_error!("creator grants: {error}");
801 }
802}
803
804#[event(fetch)]
805async fn fetch(mut request: Request, env: Env, _ctx: Context) -> Result<Response> {
806 let Some(method) = rpc_method(&request) else {
807 return Response::error("Not found", 404);
808 };
809 // A replica near the caller when it asks for one (crates/kit/src/d1.rs).
810 let (db, served) = g1t_kit::d1::open(&env, "DB", &request)?;
811 let body: serde_json::Value = request.json().await?;
812 let identity = Identity { db, env };
813
814 let answered = match method.as_str() {
815 "register" => {
816 let outcome = identity.register(args(body)?).await?;
817 if let Outcome::Ok(signed_in) = &outcome {
818 identity.announce_user(&signed_in.user.username, Some(&signed_in.user.id)).await;
819 }
820 reply(&outcome)
821 }
822 "sign_in" => reply(&identity.sign_in(args(body)?).await?),
823 "create_workspace" => {
824 let outcome = identity.create_workspace(args(body)?).await?;
825 if let Outcome::Ok(workspace) = &outcome {
826 identity.announce_workspace(&workspace.id, &workspace.slug, None).await;
827 }
828 reply(&outcome)
829 }
830 "get_workspace" => reply(&identity.get_workspace(args(body)?).await?),
831 "list_members" => reply(&identity.list_members(args(body)?).await?),
832 "add_member" => reply(&identity.add_member(args(body)?).await?),
833 "remove_member" => reply(&identity.remove_member(args(body)?).await?),
834 // Owners, roles, leaving and member privileges; see members.rs.
835 "update_member" => reply(&identity.update_member(args(body)?).await?),
836 "transfer_ownership" => reply(&identity.transfer_ownership(args(body)?).await?),
837 "leave_workspace" => reply(&identity.leave_workspace(args(body)?).await?),
838 "set_member_privileges" => reply(&identity.set_member_privileges(args(body)?).await?),
839 "set_two_factor_requirement" => reply(&identity.set_two_factor_requirement(args(body)?).await?),
840 "grant_creator" => reply(&identity.grant_creator(args(body)?).await?),
841 "update_workspace" => {
842 let outcome = identity.update_workspace(args(body)?).await?;
843 if let Outcome::Ok(workspace) = &outcome {
844 identity.announce_workspace(&workspace.id, &workspace.slug, None).await;
845 }
846 reply(&outcome)
847 }
848 "rename_workspace" => reply(&identity.rename_workspace(args(body)?).await?),
849 "check_workspace_rename" => reply(&identity.check_workspace_rename(args(body)?).await?),
850 "resolve_slug" => reply(&identity.resolve_slug(args(body)?).await?),
851 "resolve_alias" => reply(&identity.resolve_alias(args(body)?).await?),
852 "check_workspace_deletion" => reply(&identity.check_workspace_deletion(args(body)?).await?),
853 "delete_workspace" => reply(&identity.delete_workspace(args(body)?).await?),
854 "transfer_repo_scopes" => reply(&identity.transfer_repo_scopes(args(body)?).await?),
855 "set_workspace_avatar" => {
856 let outcome = identity.set_workspace_avatar(args(body)?).await?;
857 if let Outcome::Ok(workspace) = &outcome {
858 identity.announce_workspace(&workspace.id, &workspace.slug, None).await;
859 }
860 reply(&outcome)
861 }
862 "set_user_avatar" => {
863 let a: SetUserAvatarArgs = args(body)?;
864 let (username, id) = (a.user.username.clone(), a.user.id.clone());
865 let outcome = identity.set_user_avatar(a).await?;
866 if matches!(outcome, Outcome::Ok(_)) {
867 identity.announce_user(&username, Some(&id)).await;
868 }
869 reply(&outcome)
870 }
871 "list_workspace_tokens" => reply(&identity.list_workspace_tokens(args(body)?).await?),
872 "create_workspace_token" => reply(&identity.create_workspace_token(args(body)?).await?),
873 "remove_workspace_token" => reply(&identity.remove_workspace_token(args(body)?).await?),
874 // Signing in with GitHub; see github.rs.
875 "github_enabled" => reply(&identity.github_enabled()),
876 "github_start" => reply(&identity.github_start(args(body)?).await?),
877 "github_finish" => reply(&identity.github_finish(args(body)?).await?),
878 "github_pending" => reply(&identity.github_pending(args(body)?).await?),
879 "github_sign_up" => reply(&identity.github_sign_up(args(body)?).await?),
880 "github_claim" => reply(&identity.github_claim(args(body)?).await?),
881 "github_account" => reply(&identity.github_account(args(body)?).await?),
882 "github_unlink" => reply(&identity.github_unlink(args(body)?).await?),
883 "github_user_token" => reply(&identity.github_user_token(args(body)?).await?),
884 "github_revoked" => reply(&identity.github_revoked(args(body)?).await?),
885 "github_usernames" => reply(&identity.github_usernames(args(body)?).await?),
886 "oauth_authorize" => reply(&identity.oauth_authorize(args(body)?).await?),
887 "oauth_exchange" => reply(&identity.oauth_exchange(args(body)?).await?),
888 "oauth_refresh" => reply(&identity.oauth_refresh(args(body)?).await?),
889 "list_oauth_grants" => reply(&identity.list_oauth_grants(args(body)?).await?),
890 "revoke_oauth_grant" => reply(&identity.revoke_oauth_grant(args(body)?).await?),
891 "update_oauth_grant" => reply(&identity.update_oauth_grant(args(body)?).await?),
892 "device_start" => reply(&identity.device_start(args(body)?).await?),
893 "device_lookup" => reply(&identity.device_lookup(args(body)?).await?),
894 "device_resolve" => reply(&identity.device_resolve(args(body)?).await?),
895 "device_claim" => reply(&identity.device_claim(args(body)?).await?),
896 "resend_verification" => reply(&identity.resend_verification(args(body)?).await?),
897 "verify_email" => reply(&identity.verify_email(args(body)?).await?),
898 "request_password_reset" => reply(&identity.request_password_reset(args(body)?).await?),
899 "reset_password" => reply(&identity.reset_password(args(body)?).await?),
900 // A person's email addresses; see emails.rs and security.rs.
901 "list_emails" => reply(&identity.list_emails(args(body)?).await?),
902 "add_email" => reply(&identity.add_email(args(body)?).await?),
903 "remove_email" => reply(&identity.remove_email(args(body)?).await?),
904 "resend_email_verification" => reply(&identity.resend_email_verification(args(body)?).await?),
905 "update_email_settings" => reply(&identity.update_email_settings(args(body)?).await?),
906 "reauthenticate" => reply(&identity.reauthenticate(args(body)?).await?),
907 // Two-factor authentication; see two_factor.rs.
908 "two_factor_status" => reply(&identity.two_factor_status(args(body)?).await?),
909 "two_factor_start" => reply(&identity.two_factor_start(args(body)?).await?),
910 "two_factor_enable" => reply(&identity.two_factor_enable(args(body)?).await?),
911 "two_factor_disable" => reply(&identity.two_factor_disable(args(body)?).await?),
912 "two_factor_recovery_codes" => reply(&identity.two_factor_recovery_codes(args(body)?).await?),
913 "two_factor_sign_in" => reply(&identity.two_factor_sign_in(args(body)?).await?),
914 "security_log" => reply(&identity.security_log(args(body)?).await?),
915 "email_owners" => reply(&identity.email_owners(args(body)?).await?),
916 "commit_identity" => reply(&identity.commit_identity(args(body)?).await?),
917 "push_email_guard" => reply(&identity.push_email_guard(args(body)?).await?),
918 "admin_user" => reply(&identity.admin_user(args(body)?).await?),
919 "admin_remove_email" => reply(&identity.admin_remove_email(args(body)?).await?),
920 "sign_out" => reply(&identity.sign_out(args(body)?).await?),
921 "user_for_session" => reply(&identity.user_for_session(args(body)?).await?),
922 "user_for_git_credentials" => reply(&identity.user_for_git_credentials(args(body)?).await?),
923 "user_for_access_token" => {
924 let a: TokenArgs = args(body)?;
925 reply(&identity.user_for_access_token(&a.token).await?)
926 }
927 "user_for_ssh_key" => reply(&identity.user_for_ssh_key(args(body)?).await?),
928 "user_by_username" => reply(&identity.user_by_username(args(body)?).await?),
929 "usernames" => reply(&identity.usernames(args(body)?).await?),
930 "accounts" => reply(&identity.accounts(args(body)?).await?),
931 "notify_by_email" => reply(&identity.notify_by_email(args(body)?).await?),
932 "profile" => reply(&identity.profile(args(body)?).await?),
933 "update_profile" => {
934 let outcome = identity.update_profile(args(body)?).await?;
935 if let Outcome::Ok(profile) = &outcome {
936 identity.announce_user(&profile.username, None).await;
937 }
938 reply(&outcome)
939 }
940 "directory" => reply(&identity.directory(args(body)?).await?),
941 "profile_workspaces" => reply(&identity.profile_workspaces(args(body)?).await?),
942 "list_ssh_keys" => reply(&identity.list_ssh_keys(args(body)?).await?),
943 // Services only: who registered each key, for verifying commit
944 // signatures (repos' signatures.rs).
945 "ssh_key_owners" => reply(&identity.ssh_key_owners(args(body)?).await?),
946 "add_ssh_key" => reply(&identity.add_ssh_key(args(body)?).await?),
947 "remove_ssh_key" => reply(&identity.remove_ssh_key(args(body)?).await?),
948 "list_access_tokens" => reply(&identity.list_access_tokens(args(body)?).await?),
949 "create_access_token" => reply(&identity.create_access_token(args(body)?).await?),
950 "update_access_token" => reply(&identity.update_access_token(args(body)?).await?),
951 "create_agent_token" => reply(&identity.create_agent_token(args(body)?).await?),
952 "agent_scope" => reply(&identity.agent_scope(args(body)?).await?),
953 "create_run_credential" => reply(&identity.create_run_credential(args(body)?).await?),
954 "bind_run_credentials" => reply(&identity.bind_run_credentials(args(body)?).await?),
955 "revoke_run_credentials" => reply(&identity.revoke_run_credentials(args(body)?).await?),
956 "create_job_token" => reply(&identity.create_job_token(args(body)?).await?),
957 "revoke_job_tokens" => reply(&identity.revoke_job_tokens(args(body)?).await?),
958 "remove_access_token" => reply(&identity.remove_access_token(args(body)?).await?),
959 // Invites and the waitlist; see invites.rs.
960 "registration" => reply(&identity.registration_mode()),
961 "list_invites" => reply(&identity.list_invites(args(body)?).await?),
962 "create_invite" => reply(&identity.create_invite(args(body)?).await?),
963 "revoke_invite" => reply(&identity.revoke_invite(args(body)?).await?),
964 "check_invite" => reply(&identity.check_invite(args(body)?).await?),
965 "accept_invite" => reply(&identity.accept_invite(args(body)?).await?),
966 "invite_member" => reply(&identity.invite_member(args(body)?).await?),
967 "workspace_invites" => reply(&identity.workspace_invites(args(body)?).await?),
968 "revoke_workspace_invite" => reply(&identity.revoke_workspace_invite(args(body)?).await?),
969 "request_access" => reply(&identity.request_access(args(body)?).await?),
970 // Who has access to a repository; see access.rs.
971 "repo_access" => reply(&identity.repo_access(args(body)?).await?),
972 "add_collaborator" => reply(&identity.add_collaborator(args(body)?).await?),
973 "set_collaborator_role" => reply(&identity.set_collaborator_role(args(body)?).await?),
974 "remove_collaborator" => reply(&identity.remove_collaborator(args(body)?).await?),
975 "collaborator_permission" => reply(&identity.collaborator_permission(args(body)?).await?),
976 "my_repo_invitations" => reply(&identity.my_repo_invitations(args(body)?).await?),
977 "respond_repo_invitation" => reply(&identity.respond_repo_invitation(args(body)?).await?),
978 "revoke_repo_invitation" => reply(&identity.revoke_repo_invitation(args(body)?).await?),
979 "set_base_permission" => reply(&identity.set_base_permission(args(body)?).await?),
980 // Where a workspace keeps its repositories' git data (EU residency).
981 "workspace_residency" => reply(&identity.workspace_residency(args(body)?).await?),
982 "set_workspace_residency" => reply(&identity.set_workspace_residency(args(body)?).await?),
983 "outside_collaborators" => reply(&identity.outside_collaborators(args(body)?).await?),
984 "forget_repo_access" => reply(&identity.forget_repo_access(args(body)?).await?),
985 // Teams (teams.rs).
986 "list_teams" => reply(&identity.list_teams(args(body)?).await?),
987 "get_team" => reply(&identity.get_team(args(body)?).await?),
988 "create_team" => reply(&identity.create_team(args(body)?).await?),
989 "set_team_creation" => reply(&identity.set_team_creation(args(body)?).await?),
990 "update_team" => reply(&identity.update_team(args(body)?).await?),
991 "delete_team" => reply(&identity.delete_team(args(body)?).await?),
992 "team_members" => reply(&identity.team_members(args(body)?).await?),
993 "set_team_member" => reply(&identity.set_team_member(args(body)?).await?),
994 "remove_team_member" => reply(&identity.remove_team_member(args(body)?).await?),
995 "child_teams" => reply(&identity.child_teams(args(body)?).await?),
996 "team_repos" => reply(&identity.team_repos(args(body)?).await?),
997 "set_team_repo" => reply(&identity.set_team_repo(args(body)?).await?),
998 "remove_team_repo" => reply(&identity.remove_team_repo(args(body)?).await?),
999 "user_teams" => reply(&identity.user_teams(args(body)?).await?),
1000 "team_memberships" => reply(&identity.team_memberships(args(body)?).await?),
1001 "resolve_teams" => reply(&identity.resolve_teams(args(body)?).await?),
1002 "resolve_owners" => reply(&identity.resolve_owners(args(body)?).await?),
1003 // Staff only: sudo.g1t.sh, over its service binding. See admin.rs.
1004 "notify_owners" => reply(&identity.notify_owners(args(body)?).await?),
1005 "admin_workspaces" => reply(&identity.admin_workspaces(args(body)?).await?),
1006 "admin_workspace" => reply(&identity.admin_workspace(args(body)?).await?),
1007 "admin_waitlist" => reply(&identity.admin_waitlist(args(body)?).await?),
1008 "admin_decide_waitlist" => reply(&identity.admin_decide_waitlist(args(body)?).await?),
1009 "admin_waitlist_pending" => reply(&identity.admin_waitlist_pending().await?),
1010 "admin_invites" => reply(&identity.admin_invites(args(body)?).await?),
1011 "admin_revoke_invite" => reply(&identity.admin_revoke_invite(args(body)?).await?),
1012 "admin_mint_invite" => reply(&identity.admin_mint_invite(args(body)?).await?),
1013 "admin_grant_invites" => reply(&identity.admin_grant_invites(args(body)?).await?),
1014 "admin_invite_tree" => reply(&identity.admin_invite_tree(args(body)?).await?),
1015 "admin_workspace_invites" => reply(&identity.admin_workspace_invites(args(body)?).await?),
1016 // Deleted workspaces, restored or purged by staff; see deletion.rs.
1017 "admin_deleted_workspaces" => reply(&identity.admin_deleted_workspaces().await?),
1018 "admin_restore_workspace" => reply(&identity.admin_restore_workspace(args(body)?).await?),
1019 "admin_purge_workspace" => reply(&identity.admin_purge_workspace(args(body)?).await?),
1020 // Workspace aliases, set by staff only; see aliases.rs.
1021 "admin_aliases" => reply(&identity.admin_aliases().await?),
1022 "admin_set_alias" => reply(&identity.admin_set_alias(args(body)?).await?),
1023 "admin_remove_alias" => reply(&identity.admin_remove_alias(args(body)?).await?),
1024 _ => Response::error("Unknown method", 404),
1025 };
1026 served.finish(answered)
1027}
1028
1029#[cfg(test)]
1030mod register_tests {
1031 use super::*;
1032
1033 #[test]
1034 fn nobody_registers_as_g1t() {
1035 // What register checks the username with, whatever its case.
1036 for username in ["g1t", "G1T", "g1t-agent", "G1t-Agent"] {
1037 assert_eq!(claimable_namespace(username), None, "{username}");
1038 }
1039 assert_eq!(claimable_namespace("ana").as_deref(), Some("ana"));
1040 }
1041}