Admin token Argon2 hashing support
Added support for Argon2 hashing support for the `ADMIN_TOKEN` instead of only supporting a plain text string. The hash must be a PHC string which can be generated via the `argon2` CLI **or** via the also built-in hash command in Vaultwarden. You can simply run `vaultwarden hash` to generate a hash based upon a password the user provides them self. Added a warning during startup and within the admin settings panel is the `ADMIN_TOKEN` is not an Argon2 hash. Within the admin environment a user can ignore that warning and it will not be shown for at least 30 days. After that the warning will appear again unless the `ADMIN_TOKEN` has be converted to an Argon2 hash. I have also tested this on my RaspberryPi 2b and there the `Bitwarden` preset takes almost 4.5 seconds to generate/verify the Argon2 hash. Using the `OWASP` preset it is below 1 second, which I think should be fine for low-graded hardware. If it is needed people could use lower memory settings, but in those cases I even doubt Vaultwarden it self would run. They can always use the `argon2` CLI and generate a faster hash.
This commit is contained in:
BlackDex
parent
337cbfaf22
commit
de157b2654
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@ -259,9 +259,13 @@
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## A comma-separated list means only those users can create orgs:
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# ORG_CREATION_USERS=admin1@example.com,admin2@example.com
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## Token for the admin interface, preferably use a long random string
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## One option is to use 'openssl rand -base64 48'
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## Token for the admin interface, preferably an Argon2 PCH string
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## Vaultwarden has a built-in generator by calling `vaultwarden hash`
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## For details see: https://github.com/dani-garcia/vaultwarden/wiki/Enabling-admin-page#secure-the-admin_token
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## If not set, the admin panel is disabled
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## New Argon2 PHC string
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# ADMIN_TOKEN='$argon2id$v=19$m=65540,t=3,p=4$MmeKRnGK5RW5mJS7h3TOL89GrpLPXJPAtTK8FTqj9HM$DqsstvoSAETl9YhnsXbf43WeaUwJC6JhViIvuPoig78'
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## Old plain text string (Will generate warnings in favor of Argon2)
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# ADMIN_TOKEN=Vy2VyYTTsKPv8W5aEOWUbB/Bt3DEKePbHmI4m9VcemUMS2rEviDowNAFqYi1xjmp
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## Enable this to bypass the admin panel security. This option is only
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@ -85,6 +85,17 @@ dependencies = [
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"libc",
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]
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[[package]]
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name = "argon2"
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version = "0.5.0-pre.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0efde6c15a373abaefe544ddae9fc024eac3073798ba0c40043fd655f3535eb8"
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dependencies = [
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"base64ct",
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"blake2",
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"password-hash",
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]
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[[package]]
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name = "async-channel"
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version = "1.8.0"
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@ -324,6 +335,12 @@ version = "0.21.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
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[[package]]
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name = "base64ct"
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version = "1.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
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[[package]]
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name = "binascii"
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version = "0.1.4"
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@ -336,6 +353,15 @@ version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "blake2"
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version = "0.10.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"
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dependencies = [
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"digest",
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]
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[[package]]
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name = "block-buffer"
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version = "0.10.3"
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@ -2006,6 +2032,17 @@ dependencies = [
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"regex",
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]
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[[package]]
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name = "password-hash"
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version = "0.5.0-pre.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4d9d7f72dbf886af2c2a8d4a2ddfb4eea37e4d77ea3bde49f79af7c577e37908"
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dependencies = [
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"base64ct",
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"rand_core",
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"subtle",
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]
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[[package]]
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name = "paste"
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version = "1.0.11"
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@ -2585,6 +2622,27 @@ dependencies = [
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"uncased",
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]
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[[package]]
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name = "rpassword"
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version = "7.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6678cf63ab3491898c0d021b493c94c9b221d91295294a2a5746eacbe5928322"
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dependencies = [
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"libc",
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"rtoolbox",
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"winapi",
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]
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[[package]]
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name = "rtoolbox"
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version = "0.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "034e22c514f5c0cb8a10ff341b9b048b5ceb21591f31c8f44c43b960f9b3524a"
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dependencies = [
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"libc",
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"winapi",
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]
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[[package]]
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name = "rustc-demangle"
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version = "0.1.21"
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@ -3425,6 +3483,7 @@ dependencies = [
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name = "vaultwarden"
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version = "1.0.0"
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dependencies = [
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"argon2",
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"backtrace",
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"bytes",
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"cached",
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@ -3464,6 +3523,7 @@ dependencies = [
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"ring",
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"rmpv",
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"rocket",
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"rpassword",
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"semver",
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"serde",
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"serde_json",
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11
Cargo.toml
11
Cargo.toml
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@ -157,8 +157,19 @@ semver = "1.0.16"
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mimalloc = { version = "0.1.34", features = ["secure"], default-features = false, optional = true }
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which = "4.4.0"
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# Argon2 library with support for the PHC format
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argon2 = "0.5.0-pre.0"
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# Reading a password from the cli for generating the Argon2id ADMIN_TOKEN
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rpassword = "7.2"
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# Strip debuginfo from the release builds
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# Also enable thin LTO for some optimizations
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[profile.release]
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strip = "debuginfo"
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lto = "thin"
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# Always build argon2 using opt-level 3
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# This is a huge speed improvement during testing
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[profile.dev.package.argon2]
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opt-level = 3
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@ -201,6 +201,19 @@ fn post_admin_login(data: Form<LoginForm>, cookies: &CookieJar<'_>, ip: ClientIp
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fn _validate_token(token: &str) -> bool {
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match CONFIG.admin_token().as_ref() {
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None => false,
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Some(t) if t.starts_with("$argon2") => {
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use argon2::password_hash::PasswordVerifier;
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match argon2::password_hash::PasswordHash::new(t) {
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Ok(h) => {
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// NOTE: hash params from `ADMIN_TOKEN` are used instead of what is configured in the `Argon2` instance.
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argon2::Argon2::default().verify_password(token.trim().as_ref(), &h).is_ok()
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}
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Err(e) => {
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error!("The configured Argon2 PHC in `ADMIN_TOKEN` is invalid: {e}");
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false
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}
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}
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}
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Some(t) => crate::crypto::ct_eq(t.trim(), token.trim()),
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}
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}
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@ -19,7 +19,7 @@ static CONFIG_FILE: Lazy<String> = Lazy::new(|| {
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pub static CONFIG: Lazy<Config> = Lazy::new(|| {
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Config::load().unwrap_or_else(|e| {
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println!("Error loading config:\n\t{e:?}\n");
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println!("Error loading config:\n {e:?}\n");
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exit(12)
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})
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});
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@ -872,6 +872,23 @@ fn validate_config(cfg: &ConfigItems) -> Result<(), Error> {
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err!("`EVENT_CLEANUP_SCHEDULE` is not a valid cron expression")
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}
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if !cfg.disable_admin_token {
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match cfg.admin_token.as_ref() {
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Some(t) if t.starts_with("$argon2") => {
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if let Err(e) = argon2::password_hash::PasswordHash::new(t) {
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err!(format!("The configured Argon2 PHC in `ADMIN_TOKEN` is invalid: '{e}'"))
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}
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}
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Some(_) => {
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println!(
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"[NOTICE] You are using a plain text `ADMIN_TOKEN` which is insecure.\n\
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Please generate a secure Argon2 PHC string by using `vaultwarden hash` or `argon2`.\n\
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See: https://github.com/dani-garcia/vaultwarden/wiki/Enabling-admin-page#secure-the-admin_token\n"
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);
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}
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_ => {}
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}
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}
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Ok(())
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}
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94
src/main.rs
94
src/main.rs
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@ -121,11 +121,19 @@ const HELP: &str = "\
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Alternative implementation of the Bitwarden server API written in Rust
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USAGE:
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vaultwarden
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vaultwarden [FLAGS|COMMAND]
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FLAGS:
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-h, --help Prints help information
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-v, --version Prints the app version
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COMMAND:
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hash [--preset {bitwarden|owasp}] Generate an Argon2id PHC ADMIN_TOKEN
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PRESETS: m= t= p=
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bitwarden (default) 64MiB, 3 Iterations, 4 Threads
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owasp 19MiB, 2 Iterations, 1 Thread
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";
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pub const VERSION: Option<&str> = option_env!("VW_VERSION");
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@ -142,24 +150,88 @@ fn parse_args() {
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println!("vaultwarden {version}");
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exit(0);
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}
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if let Some(command) = pargs.subcommand().unwrap_or_default() {
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if command == "hash" {
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use argon2::{
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password_hash::SaltString, Algorithm::Argon2id, Argon2, ParamsBuilder, PasswordHasher, Version::V0x13,
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};
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let mut argon2_params = ParamsBuilder::new();
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let preset: Option<String> = pargs.opt_value_from_str(["-p", "--preset"]).unwrap_or_default();
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let selected_preset;
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match preset.as_deref() {
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Some("owasp") => {
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selected_preset = "owasp";
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argon2_params.m_cost(19456);
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argon2_params.t_cost(2);
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argon2_params.p_cost(1);
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}
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_ => {
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// Bitwarden preset is the default
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selected_preset = "bitwarden";
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argon2_params.m_cost(65540);
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argon2_params.t_cost(3);
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argon2_params.p_cost(4);
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}
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}
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println!("Generate an Argon2id PHC string using the '{selected_preset}' preset:\n");
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let password = rpassword::prompt_password("Password: ").unwrap();
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if password.len() < 8 {
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println!("\nPassword must contain at least 8 characters");
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exit(1);
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}
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let password_verify = rpassword::prompt_password("Confirm Password: ").unwrap();
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if password != password_verify {
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println!("\nPasswords do not match");
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exit(1);
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}
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let argon2 = Argon2::new(Argon2id, V0x13, argon2_params.build().unwrap());
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let salt = SaltString::b64_encode(&crate::crypto::get_random_bytes::<32>()).unwrap();
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let argon2_timer = tokio::time::Instant::now();
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if let Ok(password_hash) = argon2.hash_password(password.as_bytes(), &salt) {
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println!(
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"\n\
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ADMIN_TOKEN='{password_hash}'\n\n\
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Generation of the Argon2id PHC string took: {:?}",
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argon2_timer.elapsed()
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);
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} else {
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error!("Unable to generate Argon2id PHC hash.");
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exit(1);
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}
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}
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exit(0);
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}
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}
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fn launch_info() {
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println!("/--------------------------------------------------------------------\\");
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println!("| Starting Vaultwarden |");
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println!(
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"\
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/--------------------------------------------------------------------\\\n\
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| Starting Vaultwarden |"
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);
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if let Some(version) = VERSION {
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println!("|{:^68}|", format!("Version {version}"));
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}
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println!("|--------------------------------------------------------------------|");
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println!("| This is an *unofficial* Bitwarden implementation, DO NOT use the |");
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println!("| official channels to report bugs/features, regardless of client. |");
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println!("| Send usage/configuration questions or feature requests to: |");
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println!("| https://vaultwarden.discourse.group/ |");
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println!("| Report suspected bugs/issues in the software itself at: |");
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println!("| https://github.com/dani-garcia/vaultwarden/issues/new |");
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println!("\\--------------------------------------------------------------------/\n");
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println!(
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"\
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|--------------------------------------------------------------------|\n\
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| This is an *unofficial* Bitwarden implementation, DO NOT use the |\n\
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| official channels to report bugs/features, regardless of client. |\n\
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| Send usage/configuration questions or feature requests to: |\n\
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| https://github.com/dani-garcia/vaultwarden/discussions or |\n\
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| https://vaultwarden.discourse.group/ |\n\
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| Report suspected bugs/issues in the software itself at: |\n\
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| https://github.com/dani-garcia/vaultwarden/issues/new |\n\
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\\--------------------------------------------------------------------/\n"
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);
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}
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fn init_logging(level: log::LevelFilter) -> Result<(), fern::InitError> {
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@ -157,6 +157,41 @@ function masterCheck(check_id, inputs_query) {
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}
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}
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// This will check if the ADMIN_TOKEN is not a Argon2 hashed value.
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// Else it will show a warning, unless someone has closed it.
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// Then it will not show this warning for 30 days.
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function checkAdminToken() {
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const admin_token = document.getElementById("input_admin_token");
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const disable_admin_token = document.getElementById("input_disable_admin_token");
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if (!disable_admin_token.checked && !admin_token.value.startsWith("$argon2")) {
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// Check if the warning has been closed before and 30 days have passed
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const admin_token_warning_closed = localStorage.getItem("admin_token_warning_closed");
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if (admin_token_warning_closed !== null) {
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const closed_date = new Date(parseInt(admin_token_warning_closed));
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const current_date = new Date();
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const thirtyDays = 1000*60*60*24*30;
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if (current_date - closed_date < thirtyDays) {
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return;
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}
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}
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// When closing the alert, store the current date/time in the browser
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const admin_token_warning = document.getElementById("admin_token_warning");
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admin_token_warning.addEventListener("closed.bs.alert", function() {
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const d = new Date();
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localStorage.setItem("admin_token_warning_closed", d.getTime());
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});
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// Display the warning
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admin_token_warning.classList.remove("d-none");
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}
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}
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// This will check for specific configured values, and when needed will show a warning div
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function showWarnings() {
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checkAdminToken();
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}
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const config_form = document.getElementById("config-form");
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// onLoad events
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@ -192,4 +227,6 @@ document.addEventListener("DOMContentLoaded", (/*event*/) => {
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}
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config_form.addEventListener("submit", saveConfig);
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showWarnings();
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});
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@ -1,4 +1,10 @@
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<main class="container-xl">
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<div id="admin_token_warning" class="alert alert-warning alert-dismissible fade show d-none">
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<button type="button" class="btn-close" data-bs-target="admin_token_warning" data-bs-dismiss="alert" aria-label="Close"></button>
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You are using a plain text `ADMIN_TOKEN` which is insecure.<br>
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Please generate a secure Argon2 PHC string by using `vaultwarden hash` or `argon2`.<br>
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See: <a href="https://github.com/dani-garcia/vaultwarden/wiki/Enabling-admin-page#secure-the-admin_token" target="_blank" rel="noopener noreferrer">Enabling admin page - Secure the `ADMIN_TOKEN`</a>
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</div>
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<div id="config-block" class="align-items-center p-3 mb-3 bg-secondary rounded shadow">
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<div>
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<h6 class="text-white mb-3">Configuration</h6>
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|
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