From: Dessalines Date: Thu, 2 Mar 2023 20:37:41 +0000 (-0500) Subject: Adding TOTP / 2FA to lemmy (#2741) X-Git-Url: http://these/git/%7B%60%24%7BwebArchiveUrl%7D/%22%7B%7D/readmes/%7B%7D/%22%7Burl%7D/%7Bthis.src%28%27jpg%27%29%7D?a=commitdiff_plain;h=1dba94c9cbdb7af838bbd13d6c81d349a603c623;p=lemmy.git Adding TOTP / 2FA to lemmy (#2741) * Combine prod and dev docker setups using build-arg - Fixes #2603 * Dont use cache for release build. * Adding 2FA / TOTP support. - Fixes #2363 * Changed name to totp_2fa for clarity. * Switch to sha256 for totp. --- diff --git a/Cargo.lock b/Cargo.lock index 10dac040..3ccca54f 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -599,6 +599,12 @@ dependencies = [ "rustc-demangle", ] +[[package]] +name = "base32" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "23ce669cd6c8588f79e15cf450314f9638f967fc5770ff1c7c1deb0925ea7cfa" + [[package]] name = "base64" version = "0.13.1" @@ -932,6 +938,12 @@ dependencies = [ "tracing-subscriber", ] +[[package]] +name = "constant_time_eq" +version = "0.2.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f3ad85c1f65dc7b37604eb0e89748faf0b9653065f2a8ef69f96a687ec1e9279" + [[package]] name = "convert_case" version = "0.4.0" @@ -2639,6 +2651,7 @@ dependencies = [ "strum", "strum_macros", "tokio", + "totp-rs", "tracing", "tracing-error", "typed-builder", @@ -5033,6 +5046,22 @@ dependencies = [ "syn 1.0.103", ] +[[package]] +name = "totp-rs" +version = "4.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9fdd21080b6cf581e0c8fe849626ad627b42af1a0f71ce980244f2d6b1a47836" +dependencies = [ + "base32", + "constant_time_eq", + "hmac", + "rand 0.8.5", + "sha1", + "sha2", + "url", + "urlencoding", +] + [[package]] name = "tower" version = "0.4.13" @@ -5387,6 +5416,12 @@ dependencies = [ "serde", ] +[[package]] +name = "urlencoding" +version = "2.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e8db7427f936968176eaa7cdf81b7f98b980b18495ec28f1b5791ac3bfe3eea9" + [[package]] name = "utf-8" version = "0.7.6" diff --git a/crates/api/src/local_user/login.rs b/crates/api/src/local_user/login.rs index c60c0dcd..25323c45 100644 --- a/crates/api/src/local_user/login.rs +++ b/crates/api/src/local_user/login.rs @@ -6,9 +6,13 @@ use lemmy_api_common::{ person::{Login, LoginResponse}, utils::{check_registration_application, check_user_valid}, }; -use lemmy_db_schema::source::local_site::LocalSite; -use lemmy_db_views::structs::LocalUserView; -use lemmy_utils::{claims::Claims, error::LemmyError, ConnectionId}; +use lemmy_db_views::structs::{LocalUserView, SiteView}; +use lemmy_utils::{ + claims::Claims, + error::LemmyError, + utils::validation::check_totp_2fa_valid, + ConnectionId, +}; #[async_trait::async_trait(?Send)] impl Perform for Login { @@ -22,7 +26,7 @@ impl Perform for Login { ) -> Result { let data: &Login = self; - let local_site = LocalSite::read(context.pool()).await?; + let site_view = SiteView::read_local(context.pool()).await?; // Fetch that username / email let username_or_email = data.username_or_email.clone(); @@ -45,11 +49,20 @@ impl Perform for Login { local_user_view.person.deleted, )?; - if local_site.require_email_verification && !local_user_view.local_user.email_verified { + if site_view.local_site.require_email_verification && !local_user_view.local_user.email_verified + { return Err(LemmyError::from_message("email_not_verified")); } - check_registration_application(&local_user_view, &local_site, context.pool()).await?; + check_registration_application(&local_user_view, &site_view.local_site, context.pool()).await?; + + // Check the totp + check_totp_2fa_valid( + &local_user_view.local_user.totp_2fa_secret, + &data.totp_2fa_token, + &site_view.site.name, + &local_user_view.person.name, + )?; // Return the jwt Ok(LoginResponse { diff --git a/crates/api/src/local_user/save_settings.rs b/crates/api/src/local_user/save_settings.rs index f3f7a847..e3c95a3d 100644 --- a/crates/api/src/local_user/save_settings.rs +++ b/crates/api/src/local_user/save_settings.rs @@ -8,17 +8,22 @@ use lemmy_api_common::{ use lemmy_db_schema::{ source::{ actor_language::LocalUserLanguage, - local_site::LocalSite, local_user::{LocalUser, LocalUserUpdateForm}, person::{Person, PersonUpdateForm}, }, traits::Crud, utils::{diesel_option_overwrite, diesel_option_overwrite_to_url}, }; +use lemmy_db_views::structs::SiteView; use lemmy_utils::{ claims::Claims, error::LemmyError, - utils::validation::{is_valid_display_name, is_valid_matrix_id}, + utils::validation::{ + build_totp_2fa, + generate_totp_2fa_secret, + is_valid_display_name, + is_valid_matrix_id, + }, ConnectionId, }; @@ -35,14 +40,13 @@ impl Perform for SaveUserSettings { let data: &SaveUserSettings = self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?; - let local_site = LocalSite::read(context.pool()).await?; + let site_view = SiteView::read_local(context.pool()).await?; let avatar = diesel_option_overwrite_to_url(&data.avatar)?; let banner = diesel_option_overwrite_to_url(&data.banner)?; let bio = diesel_option_overwrite(&data.bio); let display_name = diesel_option_overwrite(&data.display_name); let matrix_user_id = diesel_option_overwrite(&data.matrix_user_id); - let bot_account = data.bot_account; let email_deref = data.email.as_deref().map(str::to_lowercase); let email = diesel_option_overwrite(&email_deref); @@ -57,7 +61,7 @@ impl Perform for SaveUserSettings { // When the site requires email, make sure email is not Some(None). IE, an overwrite to a None value if let Some(email) = &email { - if email.is_none() && local_site.require_email_verification { + if email.is_none() && site_view.local_site.require_email_verification { return Err(LemmyError::from_message("email_required")); } } @@ -71,7 +75,7 @@ impl Perform for SaveUserSettings { if let Some(Some(display_name)) = &display_name { if !is_valid_display_name( display_name.trim(), - local_site.actor_name_max_length as usize, + site_view.local_site.actor_name_max_length as usize, ) { return Err(LemmyError::from_message("invalid_username")); } @@ -92,7 +96,7 @@ impl Perform for SaveUserSettings { .display_name(display_name) .bio(bio) .matrix_user_id(matrix_user_id) - .bot_account(bot_account) + .bot_account(data.bot_account) .avatar(avatar) .banner(banner) .build(); @@ -105,6 +109,20 @@ impl Perform for SaveUserSettings { LocalUserLanguage::update(context.pool(), discussion_languages, local_user_id).await?; } + // If generate_totp is Some(false), this will clear it out from the database. + let (totp_2fa_secret, totp_2fa_url) = if let Some(generate) = data.generate_totp_2fa { + if generate { + let secret = generate_totp_2fa_secret(); + let url = + build_totp_2fa(&site_view.site.name, &local_user_view.person.name, &secret)?.get_url(); + (Some(Some(secret)), Some(Some(url))) + } else { + (Some(None), Some(None)) + } + } else { + (None, None) + }; + let local_user_form = LocalUserUpdateForm::builder() .email(email) .show_avatars(data.show_avatars) @@ -118,6 +136,8 @@ impl Perform for SaveUserSettings { .default_listing_type(default_listing_type) .theme(data.theme.clone()) .interface_language(data.interface_language.clone()) + .totp_2fa_secret(totp_2fa_secret) + .totp_2fa_url(totp_2fa_url) .build(); let local_user_res = LocalUser::update(context.pool(), local_user_id, &local_user_form).await; diff --git a/crates/api_common/src/person.rs b/crates/api_common/src/person.rs index 99213664..b6a59ec4 100644 --- a/crates/api_common/src/person.rs +++ b/crates/api_common/src/person.rs @@ -17,6 +17,7 @@ use serde::{Deserialize, Serialize}; pub struct Login { pub username_or_email: Sensitive, pub password: Sensitive, + pub totp_2fa_token: Option, } #[derive(Debug, Serialize, Deserialize, Clone, Default)] @@ -70,6 +71,8 @@ pub struct SaveUserSettings { pub show_read_posts: Option, pub show_new_post_notifs: Option, pub discussion_languages: Option>, + /// None leaves it as is, true will generate or regenerate it, false clears it out + pub generate_totp_2fa: Option, pub auth: Sensitive, } diff --git a/crates/db_schema/src/schema.rs b/crates/db_schema/src/schema.rs index a177139c..870754a2 100644 --- a/crates/db_schema/src/schema.rs +++ b/crates/db_schema/src/schema.rs @@ -170,6 +170,8 @@ table! { show_new_post_notifs -> Bool, email_verified -> Bool, accepted_application -> Bool, + totp_2fa_secret -> Nullable, + totp_2fa_url -> Nullable, } } diff --git a/crates/db_schema/src/source/local_user.rs b/crates/db_schema/src/source/local_user.rs index c38a5ac6..2a10350e 100644 --- a/crates/db_schema/src/source/local_user.rs +++ b/crates/db_schema/src/source/local_user.rs @@ -27,6 +27,9 @@ pub struct LocalUser { pub show_new_post_notifs: bool, pub email_verified: bool, pub accepted_application: bool, + #[serde(skip)] + pub totp_2fa_secret: Option, + pub totp_2fa_url: Option, } #[derive(Clone, TypedBuilder)] @@ -52,6 +55,8 @@ pub struct LocalUserInsertForm { pub show_new_post_notifs: Option, pub email_verified: Option, pub accepted_application: Option, + pub totp_2fa_secret: Option>, + pub totp_2fa_url: Option>, } #[derive(Clone, TypedBuilder)] @@ -74,4 +79,6 @@ pub struct LocalUserUpdateForm { pub show_new_post_notifs: Option, pub email_verified: Option, pub accepted_application: Option, + pub totp_2fa_secret: Option>, + pub totp_2fa_url: Option>, } diff --git a/crates/db_views/src/registration_application_view.rs b/crates/db_views/src/registration_application_view.rs index a8e2e659..00cc9267 100644 --- a/crates/db_views/src/registration_application_view.rs +++ b/crates/db_views/src/registration_application_view.rs @@ -284,6 +284,8 @@ mod tests { show_new_post_notifs: inserted_sara_local_user.show_new_post_notifs, email_verified: inserted_sara_local_user.email_verified, accepted_application: inserted_sara_local_user.accepted_application, + totp_2fa_secret: inserted_sara_local_user.totp_2fa_secret, + totp_2fa_url: inserted_sara_local_user.totp_2fa_url, password_encrypted: inserted_sara_local_user.password_encrypted, }, creator: Person { diff --git a/crates/utils/Cargo.toml b/crates/utils/Cargo.toml index 9415ff6e..d9f68678 100644 --- a/crates/utils/Cargo.toml +++ b/crates/utils/Cargo.toml @@ -46,6 +46,7 @@ smart-default = "0.6.0" jsonwebtoken = "8.1.1" lettre = "0.10.1" comrak = { version = "0.14.0", default-features = false } +totp-rs = { version = "4.2.0", features = ["gen_secret", "otpauth"] } [dev-dependencies] reqwest = { workspace = true } diff --git a/crates/utils/src/utils/validation.rs b/crates/utils/src/utils/validation.rs index 43f3cb35..37838866 100644 --- a/crates/utils/src/utils/validation.rs +++ b/crates/utils/src/utils/validation.rs @@ -1,6 +1,8 @@ +use crate::error::LemmyError; use itertools::Itertools; use once_cell::sync::Lazy; use regex::Regex; +use totp_rs::{Secret, TOTP}; use url::Url; static VALID_ACTOR_NAME_REGEX: Lazy = @@ -56,10 +58,58 @@ pub fn clean_url_params(url: &Url) -> Url { url_out } +pub fn check_totp_2fa_valid( + totp_secret: &Option, + totp_token: &Option, + site_name: &str, + username: &str, +) -> Result<(), LemmyError> { + // Check only if they have a totp_secret in the DB + if let Some(totp_secret) = totp_secret { + // Throw an error if their token is missing + let token = totp_token + .as_deref() + .ok_or_else(|| LemmyError::from_message("missing_totp_token"))?; + + let totp = build_totp_2fa(site_name, username, totp_secret)?; + + let check_passed = totp.check_current(token)?; + if !check_passed { + return Err(LemmyError::from_message("incorrect_totp token")); + } + } + + Ok(()) +} + +pub fn generate_totp_2fa_secret() -> String { + Secret::generate_secret().to_string() +} + +pub fn build_totp_2fa(site_name: &str, username: &str, secret: &str) -> Result { + let sec = Secret::Raw(secret.as_bytes().to_vec()); + let sec_bytes = sec + .to_bytes() + .map_err(|_| LemmyError::from_message("Couldnt parse totp secret"))?; + + TOTP::new( + totp_rs::Algorithm::SHA256, + 6, + 1, + 30, + sec_bytes, + Some(site_name.to_string()), + username.to_string(), + ) + .map_err(|e| LemmyError::from_error_message(e, "Couldnt generate TOTP")) +} + #[cfg(test)] mod tests { + use super::build_totp_2fa; use crate::utils::validation::{ clean_url_params, + generate_totp_2fa_secret, is_valid_actor_name, is_valid_display_name, is_valid_matrix_id, @@ -128,4 +178,11 @@ mod tests { assert!(!is_valid_matrix_id(" @dess:matrix.org")); assert!(!is_valid_matrix_id("@dess:matrix.org t")); } + + #[test] + fn test_build_totp() { + let generated_secret = generate_totp_2fa_secret(); + let totp = build_totp_2fa("lemmy", "my_name", &generated_secret); + assert!(totp.is_ok()); + } } diff --git a/migrations/2023-02-16-194139_add_totp_secret/down.sql b/migrations/2023-02-16-194139_add_totp_secret/down.sql new file mode 100644 index 00000000..b7f38c45 --- /dev/null +++ b/migrations/2023-02-16-194139_add_totp_secret/down.sql @@ -0,0 +1,2 @@ +alter table local_user drop column totp_2fa_secret; +alter table local_user drop column totp_2fa_url; diff --git a/migrations/2023-02-16-194139_add_totp_secret/up.sql b/migrations/2023-02-16-194139_add_totp_secret/up.sql new file mode 100644 index 00000000..e40c1c66 --- /dev/null +++ b/migrations/2023-02-16-194139_add_totp_secret/up.sql @@ -0,0 +1,2 @@ +alter table local_user add column totp_2fa_secret text; +alter table local_user add column totp_2fa_url text;