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Basic ratelimit for user login (including 2FA) and admin login

Dieser Commit ist enthalten in:
Daniel García 2021-12-22 21:48:49 +01:00
Ursprung 0a5df06e77
Commit 5529264c3f
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: FC8A7D14C3CD543A
7 geänderte Dateien mit 134 neuen und 2 gelöschten Zeilen

79
Cargo.lock generiert
Datei anzeigen

@ -17,6 +17,12 @@ version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe" checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
[[package]]
name = "ahash"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e8fd72866655d1904d6b0997d0b07ba561047d070fbe29de039031c641b61217"
[[package]] [[package]]
name = "aho-corasick" name = "aho-corasick"
version = "0.7.18" version = "0.7.18"
@ -412,6 +418,16 @@ dependencies = [
"subtle", "subtle",
] ]
[[package]]
name = "dashmap"
version = "4.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e77a43b28d0668df09411cb0bc9a8c2adc40f9a048afe863e05fd43251e8e39c"
dependencies = [
"cfg-if 1.0.0",
"num_cpus",
]
[[package]] [[package]]
name = "data-encoding" name = "data-encoding"
version = "2.3.2" version = "2.3.2"
@ -731,6 +747,12 @@ version = "0.3.18"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dabf1872aaab32c886832f2276d2f5399887e2bd613698a02359e4ea83f8de12" checksum = "dabf1872aaab32c886832f2276d2f5399887e2bd613698a02359e4ea83f8de12"
[[package]]
name = "futures-timer"
version = "3.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e64b03909df88034c26dc1547e8970b91f98bdb65165d6a4e9110d94263dbb2c"
[[package]] [[package]]
name = "futures-util" name = "futures-util"
version = "0.3.18" version = "0.3.18"
@ -802,6 +824,23 @@ version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574" checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
[[package]]
name = "governor"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "06c5d2f987ee8f6dff3fa1a352058dc59b990e447e4c7846aa7d804971314f7b"
dependencies = [
"dashmap",
"futures",
"futures-timer",
"no-std-compat",
"nonzero_ext",
"parking_lot 0.11.2",
"quanta",
"rand 0.8.4",
"smallvec 1.7.0",
]
[[package]] [[package]]
name = "h2" name = "h2"
version = "0.3.7" version = "0.3.7"
@ -842,6 +881,16 @@ dependencies = [
"walkdir", "walkdir",
] ]
[[package]]
name = "hashbrown"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e91b62f79061a0bc2e046024cb7ba44b08419ed238ecbd9adbd787434b9e8c25"
dependencies = [
"ahash",
"autocfg",
]
[[package]] [[package]]
name = "hashbrown" name = "hashbrown"
version = "0.11.2" version = "0.11.2"
@ -1042,7 +1091,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5" checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
dependencies = [ dependencies = [
"autocfg", "autocfg",
"hashbrown", "hashbrown 0.11.2",
] ]
[[package]] [[package]]
@ -1480,6 +1529,15 @@ version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54" checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
[[package]]
name = "no-std-compat"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b93853da6d84c2e3c7d730d6473e8817692dd89be387eb01b94d7f108ecb5b8c"
dependencies = [
"hashbrown 0.8.2",
]
[[package]] [[package]]
name = "nom" name = "nom"
version = "4.1.1" version = "4.1.1"
@ -1500,6 +1558,12 @@ dependencies = [
"version_check 0.9.3", "version_check 0.9.3",
] ]
[[package]]
name = "nonzero_ext"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "44a1290799eababa63ea60af0cbc3f03363e328e58f32fb0294798ed3e85f444"
[[package]] [[package]]
name = "ntapi" name = "ntapi"
version = "0.3.6" version = "0.3.6"
@ -1966,11 +2030,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "292972edad6bbecc137ab84c5e36421a4a6c979ea31d3cc73540dd04315b33e1" checksum = "292972edad6bbecc137ab84c5e36421a4a6c979ea31d3cc73540dd04315b33e1"
dependencies = [ dependencies = [
"byteorder", "byteorder",
"hashbrown", "hashbrown 0.11.2",
"idna 0.2.3", "idna 0.2.3",
"psl-types", "psl-types",
] ]
[[package]]
name = "quanta"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d98dc777a7a39b76b1a26ae9d3f691f4c1bc0455090aa0b64dfa8cb7fc34c135"
dependencies = [
"libc",
"winapi 0.3.9",
]
[[package]] [[package]]
name = "quick-error" name = "quick-error"
version = "1.2.3" version = "1.2.3"
@ -3213,6 +3287,7 @@ dependencies = [
"diesel_migrations", "diesel_migrations",
"dotenv", "dotenv",
"fern", "fern",
"governor",
"handlebars", "handlebars",
"html5ever", "html5ever",
"idna 0.2.3", "idna 0.2.3",

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@ -139,6 +139,7 @@ backtrace = "0.3.63"
# Macro ident concatenation # Macro ident concatenation
paste = "1.0.6" paste = "1.0.6"
governor = "0.3.2"
[patch.crates-io] [patch.crates-io]
# Use newest ring # Use newest ring

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@ -166,6 +166,10 @@ fn post_admin_login(
) -> Result<Redirect, Flash<Redirect>> { ) -> Result<Redirect, Flash<Redirect>> {
let data = data.into_inner(); let data = data.into_inner();
if crate::ratelimit::check_limit_admin(&ip.ip).is_err() {
return Err(Flash::error(Redirect::to(admin_url(referer)), "Too many requests, try again later."));
}
// If the token is invalid, redirect to login page // If the token is invalid, redirect to login page
if !_validate_token(&data.token) { if !_validate_token(&data.token) {
error!("Invalid admin token. IP: {}", ip.ip); error!("Invalid admin token. IP: {}", ip.ip);

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@ -84,6 +84,9 @@ fn _password_login(data: ConnectData, conn: DbConn, ip: &ClientIp) -> JsonResult
err!("Scope not supported") err!("Scope not supported")
} }
// Ratelimit the login
crate::ratelimit::check_limit_login(&ip.ip)?;
// Get the user // Get the user
let username = data.username.as_ref().unwrap(); let username = data.username.as_ref().unwrap();
let user = match User::find_by_mail(username, &conn) { let user = match User::find_by_mail(username, &conn) {

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@ -511,6 +511,16 @@ make_config! {
/// Allowed iframe ancestors (Know the risks!) |> Allows other domains to embed the web vault into an iframe, useful for embedding into secure intranets /// Allowed iframe ancestors (Know the risks!) |> Allows other domains to embed the web vault into an iframe, useful for embedding into secure intranets
allowed_iframe_ancestors: String, true, def, String::new(); allowed_iframe_ancestors: String, true, def, String::new();
/// Seconds between login requests |> Number of seconds, on average, between login requests before rate limiting kicks in. Note that this applies to both the login and the 2FA, so it's recommended to allow a burst size of at least 2
login_ratelimit_seconds: u64, false, def, 60;
/// Max burst size for login requests |> Allow a burst of requests of up to this size, while maintaining the average indicated by `login_ratelimit_seconds`
login_ratelimit_max_burst: u32, false, def, 10;
/// Seconds between admin requests |> Number of seconds, on average, between admin requests before rate limiting kicks in
admin_ratelimit_seconds: u64, false, def, 300;
/// Max burst size for login requests |> Allow a burst of requests of up to this size, while maintaining the average indicated by `admin_ratelimit_seconds`
admin_ratelimit_max_burst: u32, false, def, 3;
}, },
/// Yubikey settings /// Yubikey settings

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@ -32,6 +32,7 @@ mod crypto;
#[macro_use] #[macro_use]
mod db; mod db;
mod mail; mod mail;
mod ratelimit;
mod util; mod util;
pub use config::CONFIG; pub use config::CONFIG;

38
src/ratelimit.rs Normale Datei
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@ -0,0 +1,38 @@
use once_cell::sync::Lazy;
use std::{net::IpAddr, num::NonZeroU32, time::Duration};
use governor::{clock::DefaultClock, state::keyed::DashMapStateStore, Quota, RateLimiter};
use crate::{Error, CONFIG};
type Limiter<T = IpAddr> = RateLimiter<T, DashMapStateStore<T>, DefaultClock>;
static LIMITER_LOGIN: Lazy<Limiter> = Lazy::new(|| {
let seconds = Duration::from_secs(CONFIG.login_ratelimit_seconds());
let burst = NonZeroU32::new(CONFIG.login_ratelimit_max_burst()).expect("Non-zero login ratelimit burst");
RateLimiter::keyed(Quota::with_period(seconds).expect("Non-zero login ratelimit seconds").allow_burst(burst))
});
static LIMITER_ADMIN: Lazy<Limiter> = Lazy::new(|| {
let seconds = Duration::from_secs(CONFIG.admin_ratelimit_seconds());
let burst = NonZeroU32::new(CONFIG.admin_ratelimit_max_burst()).expect("Non-zero admin ratelimit burst");
RateLimiter::keyed(Quota::with_period(seconds).expect("Non-zero admin ratelimit seconds").allow_burst(burst))
});
pub fn check_limit_login(ip: &IpAddr) -> Result<(), Error> {
match LIMITER_LOGIN.check_key(ip) {
Ok(_) => Ok(()),
Err(_e) => {
err_code!("Too many login requests", 429);
}
}
}
pub fn check_limit_admin(ip: &IpAddr) -> Result<(), Error> {
match LIMITER_ADMIN.check_key(ip) {
Ok(_) => Ok(()),
Err(_e) => {
err_code!("Too many admin requests", 429);
}
}
}