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