| 1 | |
|
| 2 | |
|
| 3 | | use super::{Error, Page, Shell}; |
| 4 | | use crate::auth::{self, totp, Viewer}; |
| 5 | | use crate::db::{self, accounts}; |
| 6 | | use crate::throttle::{self, Key}; |
| 7 | | use crate::Shared; |
| 8 | | use askama::Template; |
| 9 | | use axum::extract::{Form, Query, State}; |
| 10 | | use axum::http::header; |
| 11 | | use axum::response::{IntoResponse, Redirect, Response}; |
| 12 | | use serde::Deserialize; |
| 13 | |
|
| 14 | | #[derive(Template)] |
| 15 | | #[template(path = "login.html")] |
| 16 | | pub struct LoginPage { |
| 17 | | shell: Shell, |
| 18 | | error: Option<String>, |
| 19 | | next: String, |
| 20 | | |
| 21 | | totp_for: Option<String>, |
| 22 | | |
| 23 | | |
| 24 | | pending: String, |
| 25 | | |
| 26 | | reset: bool, |
| 27 | | |
| 28 | | providers: Vec<(&'static str, &'static str)>, |
| 29 | | |
| 30 | | |
| 31 | | approval: Option<(String, i64)>, |
| 32 | | |
| 33 | | phones: bool, |
| 34 | | } |
| 35 | |
|
| 36 | | #[derive(Deserialize)] |
| 37 | | pub struct NextQuery { |
| 38 | | next: Option<String>, |
| 39 | | reset: Option<String>, |
| 40 | | #[serde(default)] |
| 41 | | error: Option<String>, |
| 42 | | } |
| 43 | |
|
| 44 | 57× | fn safe_next(next: Option<String>) -> String { |
| 45 | 47× | match next { |
| 46 | 47× | Some(n) if n.starts_with('/') && !n.starts_with("//") => n, |
| 47 | 54× | _ => "/".into(), |
| 48 | | } |
| 49 | 57× | } |
| 50 | |
|
| 51 | 10× | pub async fn login_form(State(app): State<Shared>, viewer: Viewer, Query(q): Query<NextQuery>) -> Response { |
| 52 | 10× | if viewer.signed_in() { |
| 53 | 0× | return Redirect::to(&safe_next(q.next)).into_response(); |
| 54 | 10× | } |
| 55 | 10× | let reset = q.reset.is_some(); |
| 56 | 10× | let providers = super::signin::buttons(&app).await; |
| 57 | 10× | Page(LoginPage { |
| 58 | 10× | shell: Shell::new(&app, "/login", &viewer), |
| 59 | 10× | error: q.error, |
| 60 | 10× | next: safe_next(q.next), |
| 61 | 10× | totp_for: None, |
| 62 | 10× | pending: String::new(), |
| 63 | 10× | reset, |
| 64 | 10× | providers, |
| 65 | 10× | approval: None, |
| 66 | 10× | phones: false, |
| 67 | 10× | }) |
| 68 | 10× | .into_response() |
| 69 | 10× | } |
| 70 | |
|
| 71 | | #[derive(Deserialize)] |
| 72 | | pub struct LoginForm { |
| 73 | | username: String, |
| 74 | | #[serde(default)] |
| 75 | | password: String, |
| 76 | | |
| 77 | | #[serde(default)] |
| 78 | | pending: String, |
| 79 | | #[serde(default)] |
| 80 | | code: String, |
| 81 | | #[serde(default)] |
| 82 | | next: String, |
| 83 | | |
| 84 | | #[serde(default)] |
| 85 | | approval: String, |
| 86 | | |
| 87 | | #[serde(default)] |
| 88 | | use_code: String, |
| 89 | | } |
| 90 | |
|
| 91 | 47× | pub async fn login( |
| 92 | 47× | State(app): State<Shared>, |
| 93 | 47× | viewer: Viewer, |
| 94 | 47× | headers: axum::http::HeaderMap, |
| 95 | 47× | extensions: axum::http::Extensions, |
| 96 | 47× | Form(f): Form<LoginForm>, |
| 97 | 47× | ) -> Result<Response, Error> { |
| 98 | 47× | let shell = Shell::new(&app, "/login", &viewer); |
| 99 | 47× | let next = safe_next(Some(f.next.clone())); |
| 100 | 47× | let username = f.username.trim().to_string(); |
| 101 | 47× | let account = accounts::account_by_name(&app.db, &username).await.map_err(|e| Error::from_db(shell.clone(), e))?; |
| 102 | | |
| 103 | | |
| 104 | 47× | let now_ms = db::now_ms(); |
| 105 | 47× | let proven = !f.pending.is_empty() |
| 106 | 5× | && account.as_ref().is_some_and(|a| auth::pending_login_ok(&app.cookie_key, &a.username, &a.session_salt, &f.pending, now_ms)); |
| 107 | 47× | let pending = account |
| 108 | 47× | .as_ref() |
| 109 | 47× | .map(|a| auth::pending_login(&app.cookie_key, &a.username, &a.session_salt, now_ms + PENDING_LOGIN_MS)) |
| 110 | 47× | .unwrap_or_default(); |
| 111 | 47× | let phones = match &account { |
| 112 | 26× | Some(a) if a.totp_secret.is_some() => { |
| 113 | 9× | !db::approvals::authenticators(&app.db, a.id).await.map_err(|e| Error::from_db(shell.clone(), e))?.is_empty() |
| 114 | | } |
| 115 | 38× | _ => false, |
| 116 | | }; |
| 117 | 47× | let fail = |msg: &str, totp_for: Option<String>| { |
| 118 | | Page(LoginPage { |
| 119 | 37× | shell: shell.clone(), |
| 120 | 37× | error: (!msg.is_empty()).then(|| msg.into()), |
| 121 | 37× | next: next.clone(), |
| 122 | 37× | totp_for, |
| 123 | 37× | pending: pending.clone(), |
| 124 | | reset: false, |
| 125 | 37× | providers: vec![], |
| 126 | 37× | approval: None, |
| 127 | 37× | phones, |
| 128 | | }) |
| 129 | 37× | .into_response() |
| 130 | 37× | }; |
| 131 | | |
| 132 | | |
| 133 | 47× | let addr = crate::api::client_addr(&app, &headers, &extensions); |
| 134 | 47× | let keys = [Key::account("login", &username), Key::address("login", &addr)]; |
| 135 | 47× | if let Some(wait) = app.throttle.lock().unwrap().wait(&keys, now_ms) { |
| 136 | 2× | return Ok(fail(&throttle::message(wait), proven.then(|| username.clone()))); |
| 137 | 45× | } |
| 138 | 45× | let failed = |app: &Shared| { |
| 139 | 29× | let wait = app.throttle.lock().unwrap().failed(&keys, now_ms); |
| 140 | 29× | let (app, username, addr) = (app.clone(), username.clone(), addr.clone()); |
| 141 | 29× | async move { |
| 142 | 29× | if let Some(wait) = wait { |
| 143 | 2× | let detail = format!("from {} for {}s", if addr.is_empty() { "an unknown address" } else { &addr }, wait / 1000); |
| 144 | 2× | accounts::audit(&app.db, None, "login.throttled", &username, &detail).await.ok(); |
| 145 | 27× | } |
| 146 | 29× | } |
| 147 | 29× | }; |
| 148 | 45× | if !f.pending.is_empty() && !proven { |
| 149 | 1× | return Ok(fail("That took too long: sign in again.", None)); |
| 150 | 44× | } |
| 151 | 44× | let Some(account) = account.filter(|a| proven || auth::verify_password(&a.password_hash, &f.password)) else { |
| 152 | 29× | accounts::audit(&app.db, None, "login.failed", &username, "").await.ok(); |
| 153 | 29× | failed(&app).await; |
| 154 | 29× | return Ok(fail("Wrong username or password.", None)); |
| 155 | | }; |
| 156 | 15× | if account.banned { |
| 157 | 0× | return Ok(fail("This account is banned.", None)); |
| 158 | 15× | } |
| 159 | 15× | if account.disabled { |
| 160 | 1× | accounts::audit(&app.db, None, "login.disabled", &username, "").await.ok(); |
| 161 | 1× | return Ok(fail("Your account has been disabled. Contact the hub's administrator.", None)); |
| 162 | 14× | } |
| 163 | 14× | if let Some(secret) = &account.totp_secret { |
| 164 | 8× | if f.code.trim().is_empty() { |
| 165 | | |
| 166 | | |
| 167 | 7× | if !f.use_code.is_empty() { |
| 168 | 1× | return Ok(fail("", Some(username))); |
| 169 | 6× | } |
| 170 | 6× | if !f.approval.is_empty() { |
| 171 | 3× | if !db::approvals::take(&app.db, &f.approval, account.id).await.map_err(|e| Error::from_db(shell.clone(), e))? { |
| 172 | 2× | return Ok(fail("Your phone has not approved this sign-in. Try again, or use a code.", Some(username))); |
| 173 | 1× | } |
| 174 | 1× | app.throttle.lock().unwrap().cleared(&keys[0]); |
| 175 | 1× | accounts::audit(&app.db, Some(&account), "login", &username, "approved on a phone").await.ok(); |
| 176 | 1× | return Ok(signed_in(&app, &account, &next).await); |
| 177 | 3× | } |
| 178 | 3× | if phones { |
| 179 | 2× | let agent = headers.get(header::USER_AGENT).and_then(|v| v.to_str().ok()).unwrap_or(""); |
| 180 | 2× | let from = if addr.is_empty() { String::new() } else { format!(", {addr}") }; |
| 181 | 2× | let what = format!("Sign in from {}{from}", super::settings::browser_of(agent)); |
| 182 | 2× | let a = |
| 183 | 2× | crate::auth::phone::ask(&app, &account, "signin", &what, None).await.map_err(|e| Error::from_db(shell.clone(), e))?; |
| 184 | 2× | return Ok(Page(LoginPage { |
| 185 | 2× | shell: shell.clone(), |
| 186 | 2× | error: None, |
| 187 | 2× | next: next.clone(), |
| 188 | 2× | totp_for: Some(username), |
| 189 | 2× | pending: pending.clone(), |
| 190 | 2× | reset: false, |
| 191 | 2× | providers: vec![], |
| 192 | 2× | approval: Some((a.id, a.number)), |
| 193 | 2× | phones, |
| 194 | 2× | }) |
| 195 | 2× | .into_response()); |
| 196 | 1× | } |
| 197 | 1× | return Ok(fail("Enter the code from your authenticator app.", Some(username))); |
| 198 | 1× | } |
| 199 | 1× | let now = (db::now_ms() / 1000) as u64; |
| 200 | 1× | if !totp::verify(secret, &f.code, now) { |
| 201 | 0× | match totp::use_recovery_code(&account.recovery_codes, &f.code) { |
| 202 | 0× | Some(rest) => { |
| 203 | 0× | accounts::set_totp(&app.db, account.id, Some(secret), &rest).await.map_err(|e| Error::from_db(shell.clone(), e))? |
| 204 | | } |
| 205 | | None => { |
| 206 | 0× | accounts::audit(&app.db, Some(&account), "login.totp_failed", &username, "").await.ok(); |
| 207 | 0× | failed(&app).await; |
| 208 | 0× | return Ok(fail("That code is not right.", Some(username))); |
| 209 | | } |
| 210 | | } |
| 211 | 1× | } |
| 212 | 6× | } |
| 213 | 7× | app.throttle.lock().unwrap().cleared(&keys[0]); |
| 214 | 7× | accounts::audit(&app.db, Some(&account), "login", &username, "").await.ok(); |
| 215 | 7× | Ok(signed_in(&app, &account, &next).await) |
| 216 | 47× | } |
| 217 | |
|
| 218 | | #[derive(Deserialize)] |
| 219 | | pub struct ApprovalPoll { |
| 220 | | username: String, |
| 221 | | pending: String, |
| 222 | | approval: String, |
| 223 | | } |
| 224 | |
|
| 225 | |
|
| 226 | |
|
| 227 | |
|
| 228 | 4× | pub async fn approval_state(State(app): State<Shared>, Form(f): Form<ApprovalPoll>) -> Response { |
| 229 | 4× | let now = db::now_ms(); |
| 230 | 4× | let state = async { |
| 231 | 4× | let account = accounts::account_by_name(&app.db, f.username.trim()).await.ok()??; |
| 232 | 4× | if !auth::pending_login_ok(&app.cookie_key, &account.username, &account.session_salt, &f.pending, now) { |
| 233 | 1× | return None; |
| 234 | 3× | } |
| 235 | 3× | let a = db::approvals::get(&app.db, &f.approval).await.ok()??; |
| 236 | 3× | if a.account_id != account.id || a.kind != "signin" { |
| 237 | 0× | return None; |
| 238 | 3× | } |
| 239 | 3× | Some(if a.state == "pending" && a.expires_ms <= now { "expired".to_string() } else { a.state }) |
| 240 | 4× | } |
| 241 | 4× | .await; |
| 242 | 4× | match state { |
| 243 | 3× | Some(s) => axum::Json(serde_json::json!({ "state": s })).into_response(), |
| 244 | 1× | None => (axum::http::StatusCode::NOT_FOUND, axum::Json(serde_json::json!({ "state": "unknown" }))).into_response(), |
| 245 | | } |
| 246 | 4× | } |
| 247 | |
|
| 248 | |
|
| 249 | | const PENDING_LOGIN_MS: i64 = 5 * 60 * 1000; |
| 250 | |
|
| 251 | |
|
| 252 | |
|
| 253 | |
|
| 254 | 148× | pub async fn signed_in(app: &Shared, account: &accounts::Account, to: &str) -> Response { |
| 255 | 148× | let value = auth::new_session_id(); |
| 256 | 148× | if let Err(e) = db::sessions::create(&app.db, account.id, &auth::token_hash(&value), &account.session_salt).await { |
| 257 | 0× | tracing::warn!("session for {}: {e}", account.username); |
| 258 | 0× | return (axum::http::StatusCode::SERVICE_UNAVAILABLE, "Signing in failed for a moment: try again.").into_response(); |
| 259 | 148× | } |
| 260 | 148× | let secure = if app.config.base_url().starts_with("https://") { "; Secure" } else { "" }; |
| 261 | 148× | let cookie = format!("{}={value}; Path=/; HttpOnly; SameSite=Lax; Max-Age=2592000{secure}", auth::SESSION_COOKIE); |
| 262 | 148× | ([(header::SET_COOKIE, cookie)], Redirect::to(to)).into_response() |
| 263 | 148× | } |
| 264 | |
|
| 265 | | #[derive(Deserialize)] |
| 266 | | pub struct CsrfForm { |
| 267 | | #[serde(rename = "_csrf")] |
| 268 | | pub csrf: String, |
| 269 | | } |
| 270 | |
|
| 271 | 1× | pub async fn logout(State(app): State<Shared>, viewer: Viewer, Form(f): Form<CsrfForm>) -> Response { |
| 272 | 1× | if !viewer.csrf_ok(&f.csrf) { |
| 273 | 0× | return Redirect::to("/").into_response(); |
| 274 | 1× | } |
| 275 | 1× | if let Some(v) = &viewer.0 { |
| 276 | 1× | db::sessions::end_hash(&app.db, &auth::token_hash(&v.session)).await.ok(); |
| 277 | 1× | accounts::audit(&app.db, Some(&v.account), "logout", &v.account.username, "").await.ok(); |
| 278 | 0× | } |
| 279 | 1× | let secure = if app.config.base_url().starts_with("https://") { "; Secure" } else { "" }; |
| 280 | 1× | let cookie = format!("{}=; Path=/; HttpOnly; SameSite=Lax; Max-Age=0{secure}", auth::SESSION_COOKIE); |
| 281 | 1× | ([(header::SET_COOKIE, cookie)], Redirect::to("/")).into_response() |
| 282 | 1× | } |
| 283 | |
|
| 284 | | #[derive(Template)] |
| 285 | | #[template(path = "register.html")] |
| 286 | | pub struct RegisterPage { |
| 287 | | shell: Shell, |
| 288 | | error: Option<String>, |
| 289 | | mode: String, |
| 290 | | first: bool, |
| 291 | | invite: String, |
| 292 | | |
| 293 | | |
| 294 | | providers: Vec<(&'static str, &'static str)>, |
| 295 | | |
| 296 | | provider_query: String, |
| 297 | | } |
| 298 | |
|
| 299 | |
|
| 300 | 244× | pub async fn registration_mode(app: &Shared) -> String { |
| 301 | 244× | accounts::setting(&app.db, "registration_mode").await.ok().flatten().unwrap_or_else(|| app.config.registration.mode.clone()) |
| 302 | 244× | } |
| 303 | |
|
| 304 | | #[derive(Deserialize)] |
| 305 | | pub struct InviteQuery { |
| 306 | | invite: Option<String>, |
| 307 | | } |
| 308 | |
|
| 309 | 4× | pub async fn register_form(State(app): State<Shared>, viewer: Viewer, Query(q): Query<InviteQuery>) -> Result<Response, Error> { |
| 310 | 4× | if viewer.signed_in() { |
| 311 | 0× | return Ok(Redirect::to("/").into_response()); |
| 312 | 4× | } |
| 313 | 4× | let shell = Shell::new(&app, "/register", &viewer); |
| 314 | 4× | let first = accounts::account_count(&app.db).await.map_err(|e| Error::from_db(shell.clone(), e))? == 0; |
| 315 | 4× | let mode = registration_mode(&app).await; |
| 316 | 4× | let invite = q.invite.unwrap_or_default().trim().to_string(); |
| 317 | 4× | let usable_invite = mode == "invite" |
| 318 | 4× | && super::signin::invite_code_ok(&invite) |
| 319 | 2× | && accounts::invitation_unused(&app.db, &invite).await.map_err(|e| Error::from_db(shell.clone(), e))?; |
| 320 | 4× | let providers = if !first && (mode == "open" || usable_invite) { super::signin::buttons(&app).await } else { vec![] }; |
| 321 | 4× | let provider_query = if usable_invite { format!("?invite={invite}") } else { String::new() }; |
| 322 | 4× | Ok(Page(RegisterPage { shell, error: None, mode, first, invite, providers, provider_query }).into_response()) |
| 323 | 4× | } |
| 324 | |
|
| 325 | | #[derive(Deserialize)] |
| 326 | | pub struct RegisterForm { |
| 327 | | username: String, |
| 328 | | email: String, |
| 329 | | password: String, |
| 330 | | #[serde(default)] |
| 331 | | invite: String, |
| 332 | | |
| 333 | | #[serde(default)] |
| 334 | | setup: String, |
| 335 | | } |
| 336 | |
|
| 337 | 139× | pub async fn register(State(app): State<Shared>, viewer: Viewer, Form(f): Form<RegisterForm>) -> Result<Response, Error> { |
| 338 | 139× | let shell = Shell::new(&app, "/register", &viewer); |
| 339 | 139× | let first = accounts::account_count(&app.db).await.map_err(|e| Error::from_db(shell.clone(), e))? == 0; |
| 340 | 139× | let mode = registration_mode(&app).await; |
| 341 | 139× | let fail = |msg: &str| { |
| 342 | 5× | Page(RegisterPage { |
| 343 | 5× | shell: shell.clone(), |
| 344 | 5× | error: Some(msg.into()), |
| 345 | 5× | mode: mode.clone(), |
| 346 | 5× | first, |
| 347 | 5× | invite: f.invite.clone(), |
| 348 | 5× | providers: vec![], |
| 349 | 5× | provider_query: String::new(), |
| 350 | 5× | }) |
| 351 | 5× | .into_response() |
| 352 | 5× | }; |
| 353 | 139× | let username = f.username.trim().to_string(); |
| 354 | 139× | if !crate::repos::names::valid_owner(&username) { |
| 355 | 0× | return Ok(fail("A username is letters, digits, dots, dashes and underscores, and is not a reserved word.")); |
| 356 | 139× | } |
| 357 | 139× | if let Err(e) = auth::password_ok(&f.password) { |
| 358 | 0× | return Ok(fail(e)); |
| 359 | 139× | } |
| 360 | 139× | if first && !crate::setup::matches(&app, &f.setup) { |
| 361 | 2× | return Ok(fail( |
| 362 | 2× | "This hub has no administrator yet. The first account needs the setup code the server logged when it started (also in setup-code in its data directory).", |
| 363 | 2× | )); |
| 364 | 137× | } |
| 365 | 137× | if !first { |
| 366 | 42× | match mode.as_str() { |
| 367 | 42× | "open" => {} |
| 368 | 11× | "invite" => { |
| 369 | 11× | let ok = !f.invite.trim().is_empty() |
| 370 | 9× | && accounts::invitation_unused(&app.db, f.invite.trim()).await.map_err(|e| Error::from_db(shell.clone(), e))?; |
| 371 | 11× | if !ok { |
| 372 | 2× | return Ok(fail("Registration needs a valid invitation code.")); |
| 373 | 9× | } |
| 374 | | } |
| 375 | 0× | _ => return Ok(fail("Registration is closed.")), |
| 376 | | } |
| 377 | 95× | } |
| 378 | 135× | if accounts::account_by_name(&app.db, &username).await.map_err(|e| Error::from_db(shell.clone(), e))?.is_some() |
| 379 | 135× | || accounts::org_by_name(&app.db, &username).await.map_err(|e| Error::from_db(shell.clone(), e))?.is_some() |
| 380 | 135× | || accounts::username_retired(&app.db, &username).await.map_err(|e| Error::from_db(shell.clone(), e))? |
| 381 | | { |
| 382 | 1× | return Ok(fail("That name is taken.")); |
| 383 | 134× | } |
| 384 | 134× | let hash = auth::hash_password(&f.password).map_err(|e| Error::bad(shell.clone(), e.to_string()))?; |
| 385 | 134× | let account = accounts::create_account(&app.db, &username, f.email.trim(), &hash, &auth::random_hex(16), first) |
| 386 | 134× | .await |
| 387 | 134× | .map_err(|e| Error::from_db(shell.clone(), e))?; |
| 388 | 134× | if !first && mode == "invite" { |
| 389 | 8× | accounts::use_invitation(&app.db, f.invite.trim(), account.id).await.ok(); |
| 390 | 126× | } |
| 391 | 134× | if first { |
| 392 | 95× | crate::setup::spend(&app); |
| 393 | 95× | } |
| 394 | 134× | accounts::audit(&app.db, Some(&account), "register", &username, if first { "first account: administrator" } else { "" }).await.ok(); |
| 395 | 134× | if let Err(e) = super::recovery::send_verification(&app, &account).await { |
| 396 | 132× | tracing::info!("verification for {username}: {e}"); |
| 397 | 2× | } |
| 398 | | |
| 399 | 134× | if !first { |
| 400 | 39× | let admins: Vec<(i64, crate::db::notify::Reason)> = accounts::accounts(&app.db) |
| 401 | 39× | .await |
| 402 | 39× | .unwrap_or_default() |
| 403 | 39× | .into_iter() |
| 404 | 39× | .filter(|a| a.is_admin) |
| 405 | 39× | .map(|a| (a.id, crate::db::notify::Reason::Participating)) |
| 406 | 39× | .collect(); |
| 407 | 39× | let title = format!("New account: {username} signed up on {}", app.config.site.name); |
| 408 | 39× | crate::notify::tell(&app, "account.registered", &title, &format!("/{username}"), &username, None, admins).await; |
| 409 | 95× | } |
| 410 | 134× | Ok(signed_in(&app, &account, "/").await) |
| 411 | 139× | } |