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Merge pull request #713 from BlackDex/issue-705

Fixed issue/request #705
Dieser Commit ist enthalten in:
Daniel García 2019-11-07 20:28:49 +01:00 committet von GitHub
Commit 3f39e35123
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: 4AEE18F83AFDEB23
3 geänderte Dateien mit 22 neuen und 2 gelöschten Zeilen

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@ -140,6 +140,18 @@
## After that, you should be able to follow the rest of the guide linked above, ## After that, you should be able to follow the rest of the guide linked above,
## ignoring the fields that ask for the values that you already configured beforehand. ## ignoring the fields that ask for the values that you already configured beforehand.
## Authenticator Settings
## Disable authenticator time drifted codes to be valid.
## TOTP codes of the previous and next 30 seconds will be invalid
##
## According to the RFC6238 (https://tools.ietf.org/html/rfc6238),
## we allow by default the TOTP code which was valid one step back and one in the future.
## This can however allow attackers to be a bit more lucky with there attempts because there are 3 valid codes.
## You can disable this, so that only the current TOTP Code is allowed.
## Keep in mind that when a sever drifts out of time, valid codes could be marked as invalid.
## In any case, if a code has been used it can not be used again, also codes which predates it will be invalid.
# AUTHENTICATOR_DISABLE_TIME_DRIFT = false
## Rocket specific settings, check Rocket documentation to learn more ## Rocket specific settings, check Rocket documentation to learn more
# ROCKET_ENV=staging # ROCKET_ENV=staging
# ROCKET_ADDRESS=0.0.0.0 # Enable this to test mobile app # ROCKET_ADDRESS=0.0.0.0 # Enable this to test mobile app

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@ -11,6 +11,8 @@ use crate::db::{
DbConn, DbConn,
}; };
pub use crate::config::CONFIG;
pub fn routes() -> Vec<Route> { pub fn routes() -> Vec<Route> {
routes![ routes![
generate_authenticator, generate_authenticator,
@ -118,9 +120,11 @@ pub fn validate_totp_code(user_uuid: &str, totp_code: u64, secret: &str, conn: &
.expect("Earlier than 1970-01-01 00:00:00 UTC").as_secs(); .expect("Earlier than 1970-01-01 00:00:00 UTC").as_secs();
// The amount of steps back and forward in time // The amount of steps back and forward in time
let steps = 1; // Also check if we need to disable time drifted TOTP codes.
for step in -steps..=steps { // If that is the case, we set the steps to 0 so only the current TOTP is valid.
let steps = if CONFIG.authenticator_disable_time_drift() { 0 } else { 1 };
for step in -steps..=steps {
let time_step = (current_time / 30) as i32 + step; let time_step = (current_time / 30) as i32 + step;
// We need to calculate the time offsite and cast it as an i128. // We need to calculate the time offsite and cast it as an i128.
// Else we can't do math with it on a default u64 variable. // Else we can't do math with it on a default u64 variable.

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@ -275,6 +275,10 @@ make_config! {
/// Note that the checkbox would still be present, but ignored. /// Note that the checkbox would still be present, but ignored.
disable_2fa_remember: bool, true, def, false; disable_2fa_remember: bool, true, def, false;
/// Disable authenticator time drifted codes to be valid |> Enabling this only allows the current TOTP code to be valid
/// TOTP codes of the previous and next 30 seconds will be invalid.
authenticator_disable_time_drift: bool, true, def, false;
/// Require new device emails |> When a user logs in an email is required to be sent. /// Require new device emails |> When a user logs in an email is required to be sent.
/// If sending the email fails the login attempt will fail. /// If sending the email fails the login attempt will fail.
require_device_email: bool, true, def, false; require_device_email: bool, true, def, false;