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Merge pull request #2067 from jjlin/incomplete-2fa

Add email notifications for incomplete 2FA logins
Dieser Commit ist enthalten in:
Daniel García 2021-10-28 18:00:03 +02:00 committet von GitHub
Commit a2316ca091
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: 4AEE18F83AFDEB23
24 geänderte Dateien mit 312 neuen und 15 gelöschten Zeilen

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@ -82,6 +82,10 @@
## Defaults to daily (5 minutes after midnight). Set blank to disable this job. ## Defaults to daily (5 minutes after midnight). Set blank to disable this job.
# TRASH_PURGE_SCHEDULE="0 5 0 * * *" # TRASH_PURGE_SCHEDULE="0 5 0 * * *"
## ##
## Cron schedule of the job that checks for incomplete 2FA logins.
## Defaults to once every minute. Set blank to disable this job.
# INCOMPLETE_2FA_SCHEDULE="30 * * * * *"
##
## Cron schedule of the job that sends expiration reminders to emergency access grantors. ## Cron schedule of the job that sends expiration reminders to emergency access grantors.
## Defaults to hourly (5 minutes after the hour). Set blank to disable this job. ## Defaults to hourly (5 minutes after the hour). Set blank to disable this job.
# EMERGENCY_NOTIFICATION_REMINDER_SCHEDULE="0 5 * * * *" # EMERGENCY_NOTIFICATION_REMINDER_SCHEDULE="0 5 * * * *"
@ -220,6 +224,13 @@
## This setting applies globally, so make sure to inform all users of any changes to this setting. ## This setting applies globally, so make sure to inform all users of any changes to this setting.
# TRASH_AUTO_DELETE_DAYS= # TRASH_AUTO_DELETE_DAYS=
## Number of minutes to wait before a 2FA-enabled login is considered incomplete,
## resulting in an email notification. An incomplete 2FA login is one where the correct
## master password was provided but the required 2FA step was not completed, which
## potentially indicates a master password compromise. Set to 0 to disable this check.
## This setting applies globally to all users.
# INCOMPLETE_2FA_TIME_LIMIT=3
## Controls the PBBKDF password iterations to apply on the server ## Controls the PBBKDF password iterations to apply on the server
## The change only applies when the password is changed ## The change only applies when the password is changed
# PASSWORD_ITERATIONS=100000 # PASSWORD_ITERATIONS=100000

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@ -0,0 +1 @@
DROP TABLE twofactor_incomplete;

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@ -0,0 +1,9 @@
CREATE TABLE twofactor_incomplete (
user_uuid CHAR(36) NOT NULL REFERENCES users(uuid),
device_uuid CHAR(36) NOT NULL,
device_name TEXT NOT NULL,
login_time DATETIME NOT NULL,
ip_address TEXT NOT NULL,
PRIMARY KEY (user_uuid, device_uuid)
);

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@ -0,0 +1 @@
DROP TABLE twofactor_incomplete;

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@ -0,0 +1,9 @@
CREATE TABLE twofactor_incomplete (
user_uuid VARCHAR(40) NOT NULL REFERENCES users(uuid),
device_uuid VARCHAR(40) NOT NULL,
device_name TEXT NOT NULL,
login_time DATETIME NOT NULL,
ip_address TEXT NOT NULL,
PRIMARY KEY (user_uuid, device_uuid)
);

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@ -0,0 +1 @@
DROP TABLE twofactor_incomplete;

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@ -0,0 +1,9 @@
CREATE TABLE twofactor_incomplete (
user_uuid TEXT NOT NULL REFERENCES users(uuid),
device_uuid TEXT NOT NULL,
device_name TEXT NOT NULL,
login_time DATETIME NOT NULL,
ip_address TEXT NOT NULL,
PRIMARY KEY (user_uuid, device_uuid)
);

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@ -9,6 +9,7 @@ pub mod two_factor;
pub use ciphers::purge_trashed_ciphers; pub use ciphers::purge_trashed_ciphers;
pub use emergency_access::{emergency_notification_reminder_job, emergency_request_timeout_job}; pub use emergency_access::{emergency_notification_reminder_job, emergency_request_timeout_job};
pub use sends::purge_sends; pub use sends::purge_sends;
pub use two_factor::send_incomplete_2fa_notifications;
pub fn routes() -> Vec<Route> { pub fn routes() -> Vec<Route> {
let mut mod_routes = let mut mod_routes =

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@ -1,3 +1,4 @@
use chrono::{Duration, Utc};
use data_encoding::BASE32; use data_encoding::BASE32;
use rocket::Route; use rocket::Route;
use rocket_contrib::json::Json; use rocket_contrib::json::Json;
@ -7,7 +8,7 @@ use crate::{
api::{JsonResult, JsonUpcase, NumberOrString, PasswordData}, api::{JsonResult, JsonUpcase, NumberOrString, PasswordData},
auth::Headers, auth::Headers,
crypto, crypto,
db::{models::*, DbConn}, db::{models::*, DbConn, DbPool},
mail, CONFIG, mail, CONFIG,
}; };
@ -156,3 +157,33 @@ fn disable_twofactor(data: JsonUpcase<DisableTwoFactorData>, headers: Headers, c
fn disable_twofactor_put(data: JsonUpcase<DisableTwoFactorData>, headers: Headers, conn: DbConn) -> JsonResult { fn disable_twofactor_put(data: JsonUpcase<DisableTwoFactorData>, headers: Headers, conn: DbConn) -> JsonResult {
disable_twofactor(data, headers, conn) disable_twofactor(data, headers, conn)
} }
pub fn send_incomplete_2fa_notifications(pool: DbPool) {
debug!("Sending notifications for incomplete 2FA logins");
if CONFIG.incomplete_2fa_time_limit() <= 0 || !CONFIG.mail_enabled() {
return;
}
let conn = match pool.get() {
Ok(conn) => conn,
_ => {
error!("Failed to get DB connection in send_incomplete_2fa_notifications()");
return;
}
};
let now = Utc::now().naive_utc();
let time_limit = Duration::minutes(CONFIG.incomplete_2fa_time_limit());
let incomplete_logins = TwoFactorIncomplete::find_logins_before(&(now - time_limit), &conn);
for login in incomplete_logins {
let user = User::find_by_uuid(&login.user_uuid, &conn).expect("User not found");
info!(
"User {} did not complete a 2FA login within the configured time limit. IP: {}",
user.email, login.ip_address
);
mail::send_incomplete_2fa_login(&user.email, &login.ip_address, &login.login_time, &login.device_name)
.expect("Error sending incomplete 2FA email");
login.delete(&conn).expect("Error deleting incomplete 2FA record");
}
}

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@ -1,4 +1,4 @@
use chrono::Local; use chrono::Utc;
use num_traits::FromPrimitive; use num_traits::FromPrimitive;
use rocket::{ use rocket::{
request::{Form, FormItems, FromForm}, request::{Form, FormItems, FromForm},
@ -102,10 +102,9 @@ fn _password_login(data: ConnectData, conn: DbConn, ip: &ClientIp) -> JsonResult
err!("This user has been disabled", format!("IP: {}. Username: {}.", ip.ip, username)) err!("This user has been disabled", format!("IP: {}. Username: {}.", ip.ip, username))
} }
let now = Local::now(); let now = Utc::now().naive_utc();
if user.verified_at.is_none() && CONFIG.mail_enabled() && CONFIG.signups_verify() { if user.verified_at.is_none() && CONFIG.mail_enabled() && CONFIG.signups_verify() {
let now = now.naive_utc();
if user.last_verifying_at.is_none() if user.last_verifying_at.is_none()
|| now.signed_duration_since(user.last_verifying_at.unwrap()).num_seconds() || now.signed_duration_since(user.last_verifying_at.unwrap()).num_seconds()
> CONFIG.signups_verify_resend_time() as i64 > CONFIG.signups_verify_resend_time() as i64
@ -219,6 +218,8 @@ fn twofactor_auth(
return Ok(None); return Ok(None);
} }
TwoFactorIncomplete::mark_incomplete(user_uuid, &device.uuid, &device.name, ip, conn)?;
let twofactor_ids: Vec<_> = twofactors.iter().map(|tf| tf.atype).collect(); let twofactor_ids: Vec<_> = twofactors.iter().map(|tf| tf.atype).collect();
let selected_id = data.two_factor_provider.unwrap_or(twofactor_ids[0]); // If we aren't given a two factor provider, asume the first one let selected_id = data.two_factor_provider.unwrap_or(twofactor_ids[0]); // If we aren't given a two factor provider, asume the first one
@ -262,6 +263,8 @@ fn twofactor_auth(
_ => err!("Invalid two factor provider"), _ => err!("Invalid two factor provider"),
} }
TwoFactorIncomplete::mark_complete(user_uuid, &device.uuid, conn)?;
if !CONFIG.disable_2fa_remember() && remember == 1 { if !CONFIG.disable_2fa_remember() && remember == 1 {
Ok(Some(device.refresh_twofactor_remember())) Ok(Some(device.refresh_twofactor_remember()))
} else { } else {

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@ -13,6 +13,7 @@ pub use crate::api::{
core::purge_sends, core::purge_sends,
core::purge_trashed_ciphers, core::purge_trashed_ciphers,
core::routes as core_routes, core::routes as core_routes,
core::two_factor::send_incomplete_2fa_notifications,
core::{emergency_notification_reminder_job, emergency_request_timeout_job}, core::{emergency_notification_reminder_job, emergency_request_timeout_job},
icons::routes as icons_routes, icons::routes as icons_routes,
identity::routes as identity_routes, identity::routes as identity_routes,

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@ -332,6 +332,9 @@ make_config! {
/// Trash purge schedule |> Cron schedule of the job that checks for trashed items to delete permanently. /// Trash purge schedule |> Cron schedule of the job that checks for trashed items to delete permanently.
/// Defaults to daily. Set blank to disable this job. /// Defaults to daily. Set blank to disable this job.
trash_purge_schedule: String, false, def, "0 5 0 * * *".to_string(); trash_purge_schedule: String, false, def, "0 5 0 * * *".to_string();
/// Incomplete 2FA login schedule |> Cron schedule of the job that checks for incomplete 2FA logins.
/// Defaults to once every minute. Set blank to disable this job.
incomplete_2fa_schedule: String, false, def, "30 * * * * *".to_string();
/// Emergency notification reminder schedule |> Cron schedule of the job that sends expiration reminders to emergency access grantors. /// Emergency notification reminder schedule |> Cron schedule of the job that sends expiration reminders to emergency access grantors.
/// Defaults to hourly. Set blank to disable this job. /// Defaults to hourly. Set blank to disable this job.
emergency_notification_reminder_schedule: String, false, def, "0 5 * * * *".to_string(); emergency_notification_reminder_schedule: String, false, def, "0 5 * * * *".to_string();
@ -371,6 +374,13 @@ make_config! {
/// sure to inform all users of any changes to this setting. /// sure to inform all users of any changes to this setting.
trash_auto_delete_days: i64, true, option; trash_auto_delete_days: i64, true, option;
/// Incomplete 2FA time limit |> Number of minutes to wait before a 2FA-enabled login is
/// considered incomplete, resulting in an email notification. An incomplete 2FA login is one
/// where the correct master password was provided but the required 2FA step was not completed,
/// which potentially indicates a master password compromise. Set to 0 to disable this check.
/// This setting applies globally to all users.
incomplete_2fa_time_limit: i64, true, def, 3;
/// Disable icon downloads |> Set to true to disable icon downloading, this would still serve icons from /// Disable icon downloads |> Set to true to disable icon downloading, this would still serve icons from
/// $ICON_CACHE_FOLDER, but it won't produce any external network request. Needs to set $ICON_CACHE_TTL to 0, /// $ICON_CACHE_FOLDER, but it won't produce any external network request. Needs to set $ICON_CACHE_TTL to 0,
/// otherwise it will delete them and they won't be downloaded again. /// otherwise it will delete them and they won't be downloaded again.
@ -863,8 +873,6 @@ where
reg!("email/change_email", ".html"); reg!("email/change_email", ".html");
reg!("email/delete_account", ".html"); reg!("email/delete_account", ".html");
reg!("email/invite_accepted", ".html");
reg!("email/invite_confirmed", ".html");
reg!("email/emergency_access_invite_accepted", ".html"); reg!("email/emergency_access_invite_accepted", ".html");
reg!("email/emergency_access_invite_confirmed", ".html"); reg!("email/emergency_access_invite_confirmed", ".html");
reg!("email/emergency_access_recovery_approved", ".html"); reg!("email/emergency_access_recovery_approved", ".html");
@ -872,6 +880,9 @@ where
reg!("email/emergency_access_recovery_rejected", ".html"); reg!("email/emergency_access_recovery_rejected", ".html");
reg!("email/emergency_access_recovery_reminder", ".html"); reg!("email/emergency_access_recovery_reminder", ".html");
reg!("email/emergency_access_recovery_timed_out", ".html"); reg!("email/emergency_access_recovery_timed_out", ".html");
reg!("email/incomplete_2fa_login", ".html");
reg!("email/invite_accepted", ".html");
reg!("email/invite_confirmed", ".html");
reg!("email/new_device_logged_in", ".html"); reg!("email/new_device_logged_in", ".html");
reg!("email/pw_hint_none", ".html"); reg!("email/pw_hint_none", ".html");
reg!("email/pw_hint_some", ".html"); reg!("email/pw_hint_some", ".html");

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@ -17,8 +17,7 @@ db_object! {
pub user_uuid: String, pub user_uuid: String,
pub name: String, pub name: String,
// https://github.com/bitwarden/core/tree/master/src/Core/Enums pub atype: i32, // https://github.com/bitwarden/server/blob/master/src/Core/Enums/DeviceType.cs
pub atype: i32,
pub push_token: Option<String>, pub push_token: Option<String>,
pub refresh_token: String, pub refresh_token: String,

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@ -9,6 +9,7 @@ mod org_policy;
mod organization; mod organization;
mod send; mod send;
mod two_factor; mod two_factor;
mod two_factor_incomplete;
mod user; mod user;
pub use self::attachment::Attachment; pub use self::attachment::Attachment;
@ -22,4 +23,5 @@ pub use self::org_policy::{OrgPolicy, OrgPolicyType};
pub use self::organization::{Organization, UserOrgStatus, UserOrgType, UserOrganization}; pub use self::organization::{Organization, UserOrgStatus, UserOrgType, UserOrganization};
pub use self::send::{Send, SendType}; pub use self::send::{Send, SendType};
pub use self::two_factor::{TwoFactor, TwoFactorType}; pub use self::two_factor::{TwoFactor, TwoFactorType};
pub use self::two_factor_incomplete::TwoFactorIncomplete;
pub use self::user::{Invitation, User, UserStampException}; pub use self::user::{Invitation, User, UserStampException};

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@ -1,8 +1,6 @@
use serde_json::Value; use serde_json::Value;
use crate::api::EmptyResult; use crate::{api::EmptyResult, db::DbConn, error::MapResult};
use crate::db::DbConn;
use crate::error::MapResult;
use super::User; use super::User;

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@ -0,0 +1,108 @@
use chrono::{NaiveDateTime, Utc};
use crate::{api::EmptyResult, auth::ClientIp, db::DbConn, error::MapResult, CONFIG};
use super::User;
db_object! {
#[derive(Identifiable, Queryable, Insertable, Associations, AsChangeset)]
#[table_name = "twofactor_incomplete"]
#[belongs_to(User, foreign_key = "user_uuid")]
#[primary_key(user_uuid, device_uuid)]
pub struct TwoFactorIncomplete {
pub user_uuid: String,
// This device UUID is simply what's claimed by the device. It doesn't
// necessarily correspond to any UUID in the devices table, since a device
// must complete 2FA login before being added into the devices table.
pub device_uuid: String,
pub device_name: String,
pub login_time: NaiveDateTime,
pub ip_address: String,
}
}
impl TwoFactorIncomplete {
pub fn mark_incomplete(
user_uuid: &str,
device_uuid: &str,
device_name: &str,
ip: &ClientIp,
conn: &DbConn,
) -> EmptyResult {
if CONFIG.incomplete_2fa_time_limit() <= 0 || !CONFIG.mail_enabled() {
return Ok(());
}
// Don't update the data for an existing user/device pair, since that
// would allow an attacker to arbitrarily delay notifications by
// sending repeated 2FA attempts to reset the timer.
let existing = Self::find_by_user_and_device(user_uuid, device_uuid, conn);
if existing.is_some() {
return Ok(());
}
db_run! { conn: {
diesel::insert_into(twofactor_incomplete::table)
.values((
twofactor_incomplete::user_uuid.eq(user_uuid),
twofactor_incomplete::device_uuid.eq(device_uuid),
twofactor_incomplete::device_name.eq(device_name),
twofactor_incomplete::login_time.eq(Utc::now().naive_utc()),
twofactor_incomplete::ip_address.eq(ip.ip.to_string()),
))
.execute(conn)
.map_res("Error adding twofactor_incomplete record")
}}
}
pub fn mark_complete(user_uuid: &str, device_uuid: &str, conn: &DbConn) -> EmptyResult {
if CONFIG.incomplete_2fa_time_limit() <= 0 || !CONFIG.mail_enabled() {
return Ok(());
}
Self::delete_by_user_and_device(user_uuid, device_uuid, conn)
}
pub fn find_by_user_and_device(user_uuid: &str, device_uuid: &str, conn: &DbConn) -> Option<Self> {
db_run! { conn: {
twofactor_incomplete::table
.filter(twofactor_incomplete::user_uuid.eq(user_uuid))
.filter(twofactor_incomplete::device_uuid.eq(device_uuid))
.first::<TwoFactorIncompleteDb>(conn)
.ok()
.from_db()
}}
}
pub fn find_logins_before(dt: &NaiveDateTime, conn: &DbConn) -> Vec<Self> {
db_run! {conn: {
twofactor_incomplete::table
.filter(twofactor_incomplete::login_time.lt(dt))
.load::<TwoFactorIncompleteDb>(conn)
.expect("Error loading twofactor_incomplete")
.from_db()
}}
}
pub fn delete(self, conn: &DbConn) -> EmptyResult {
Self::delete_by_user_and_device(&self.user_uuid, &self.device_uuid, conn)
}
pub fn delete_by_user_and_device(user_uuid: &str, device_uuid: &str, conn: &DbConn) -> EmptyResult {
db_run! { conn: {
diesel::delete(twofactor_incomplete::table
.filter(twofactor_incomplete::user_uuid.eq(user_uuid))
.filter(twofactor_incomplete::device_uuid.eq(device_uuid)))
.execute(conn)
.map_res("Error in twofactor_incomplete::delete_by_user_and_device()")
}}
}
pub fn delete_all_by_user(user_uuid: &str, conn: &DbConn) -> EmptyResult {
db_run! { conn: {
diesel::delete(twofactor_incomplete::table.filter(twofactor_incomplete::user_uuid.eq(user_uuid)))
.execute(conn)
.map_res("Error in twofactor_incomplete::delete_all_by_user()")
}}
}
}

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@ -176,7 +176,10 @@ impl User {
} }
} }
use super::{Cipher, Device, EmergencyAccess, Favorite, Folder, Send, TwoFactor, UserOrgType, UserOrganization}; use super::{
Cipher, Device, EmergencyAccess, Favorite, Folder, Send, TwoFactor, TwoFactorIncomplete, UserOrgType,
UserOrganization,
};
use crate::db::DbConn; use crate::db::DbConn;
use crate::api::EmptyResult; use crate::api::EmptyResult;
@ -273,6 +276,7 @@ impl User {
Folder::delete_all_by_user(&self.uuid, conn)?; Folder::delete_all_by_user(&self.uuid, conn)?;
Device::delete_all_by_user(&self.uuid, conn)?; Device::delete_all_by_user(&self.uuid, conn)?;
TwoFactor::delete_all_by_user(&self.uuid, conn)?; TwoFactor::delete_all_by_user(&self.uuid, conn)?;
TwoFactorIncomplete::delete_all_by_user(&self.uuid, conn)?;
Invitation::take(&self.email, conn); // Delete invitation if any Invitation::take(&self.email, conn); // Delete invitation if any
db_run! {conn: { db_run! {conn: {

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@ -140,6 +140,16 @@ table! {
} }
} }
table! {
twofactor_incomplete (user_uuid, device_uuid) {
user_uuid -> Text,
device_uuid -> Text,
device_name -> Text,
login_time -> Timestamp,
ip_address -> Text,
}
}
table! { table! {
users (uuid) { users (uuid) {
uuid -> Text, uuid -> Text,

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@ -140,6 +140,16 @@ table! {
} }
} }
table! {
twofactor_incomplete (user_uuid, device_uuid) {
user_uuid -> Text,
device_uuid -> Text,
device_name -> Text,
login_time -> Timestamp,
ip_address -> Text,
}
}
table! { table! {
users (uuid) { users (uuid) {
uuid -> Text, uuid -> Text,

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@ -140,6 +140,16 @@ table! {
} }
} }
table! {
twofactor_incomplete (user_uuid, device_uuid) {
user_uuid -> Text,
device_uuid -> Text,
device_name -> Text,
login_time -> Timestamp,
ip_address -> Text,
}
}
table! { table! {
users (uuid) { users (uuid) {
uuid -> Text, uuid -> Text,

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@ -1,6 +1,6 @@
use std::str::FromStr; use std::str::FromStr;
use chrono::{DateTime, Local}; use chrono::NaiveDateTime;
use percent_encoding::{percent_encode, NON_ALPHANUMERIC}; use percent_encoding::{percent_encode, NON_ALPHANUMERIC};
use lettre::{ use lettre::{
@ -394,7 +394,7 @@ pub fn send_invite_confirmed(address: &str, org_name: &str) -> EmptyResult {
send_email(address, &subject, body_html, body_text) send_email(address, &subject, body_html, body_text)
} }
pub fn send_new_device_logged_in(address: &str, ip: &str, dt: &DateTime<Local>, device: &str) -> EmptyResult { pub fn send_new_device_logged_in(address: &str, ip: &str, dt: &NaiveDateTime, device: &str) -> EmptyResult {
use crate::util::upcase_first; use crate::util::upcase_first;
let device = upcase_first(device); let device = upcase_first(device);
@ -405,7 +405,26 @@ pub fn send_new_device_logged_in(address: &str, ip: &str, dt: &DateTime<Local>,
"url": CONFIG.domain(), "url": CONFIG.domain(),
"ip": ip, "ip": ip,
"device": device, "device": device,
"datetime": crate::util::format_datetime_local(dt, fmt), "datetime": crate::util::format_naive_datetime_local(dt, fmt),
}),
)?;
send_email(address, &subject, body_html, body_text)
}
pub fn send_incomplete_2fa_login(address: &str, ip: &str, dt: &NaiveDateTime, device: &str) -> EmptyResult {
use crate::util::upcase_first;
let device = upcase_first(device);
let fmt = "%A, %B %_d, %Y at %r %Z";
let (subject, body_html, body_text) = get_text(
"email/incomplete_2fa_login",
json!({
"url": CONFIG.domain(),
"ip": ip,
"device": device,
"datetime": crate::util::format_naive_datetime_local(dt, fmt),
"time_limit": CONFIG.incomplete_2fa_time_limit(),
}), }),
)?; )?;

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@ -345,6 +345,14 @@ fn schedule_jobs(pool: db::DbPool) {
})); }));
} }
// Send email notifications about incomplete 2FA logins, which potentially
// indicates that a user's master password has been compromised.
if !CONFIG.incomplete_2fa_schedule().is_empty() {
sched.add(Job::new(CONFIG.incomplete_2fa_schedule().parse().unwrap(), || {
api::send_incomplete_2fa_notifications(pool.clone());
}));
}
// Grant emergency access requests that have met the required wait time. // Grant emergency access requests that have met the required wait time.
// This job should run before the emergency access reminders job to avoid // This job should run before the emergency access reminders job to avoid
// sending reminders for requests that are about to be granted anyway. // sending reminders for requests that are about to be granted anyway.

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@ -0,0 +1,10 @@
Incomplete Two-Step Login From {{{device}}}
<!---------------->
Someone attempted to log into your account with the correct master password, but did not provide the correct token or action required to complete the two-step login process within {{time_limit}} minutes of the initial login attempt.
* Date: {{datetime}}
* IP Address: {{ip}}
* Device Type: {{device}}
If this was not you or someone you authorized, then you should change your master password as soon as possible, as it is likely to be compromised.
{{> email/email_footer_text }}

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@ -0,0 +1,31 @@
Incomplete Two-Step Login From {{{device}}}
<!---------------->
{{> email/email_header }}
<table width="100%" cellpadding="0" cellspacing="0" style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
<tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
<td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
Someone attempted to log into your account with the correct master password, but did not provide the correct token or action required to complete the two-step login process within {{time_limit}} minutes of the initial login attempt.
</td>
</tr>
<tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
<td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
<b>Date</b>: {{datetime}}
</td>
</tr>
<tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
<td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
<b>IP Address:</b> {{ip}}
</td>
</tr>
<tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
<td class="content-block" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0 0 10px; -webkit-text-size-adjust: none;" valign="top">
<b>Device Type:</b> {{device}}
</td>
</tr>
<tr style="margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: none;">
<td class="content-block last" style="font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; box-sizing: border-box; font-size: 16px; color: #333; line-height: 25px; margin: 0; -webkit-font-smoothing: antialiased; padding: 0; -webkit-text-size-adjust: none;" valign="top">
If this was not you or someone you authorized, then you should change your master password as soon as possible, as it is likely to be compromised.
</td>
</tr>
</table>
{{> email/email_footer }}