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