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Merge branch 'jjlin-password-hints' into main

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Daniel García 2021-07-15 19:18:30 +02:00
commit 8d6e62e18b
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3 changed files with 45 additions and 21 deletions
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6
.env.template
View file

@ -210,8 +210,10 @@
## The change only applies when the password is changed
# PASSWORD_ITERATIONS=100000
## Whether password hint should be sent into the error response when the client request it
# SHOW_PASSWORD_HINT=true
## Controls whether a password hint should be shown directly in the web page if
## SMTP service is not configured. Not recommended for publicly-accessible instances
## as this provides unauthenticated access to potentially sensitive data.
# SHOW_PASSWORD_HINT=false
## Domain settings
## The domain must match the address from where you access the server

53
src/api/core/accounts.rs
View file

@ -576,24 +576,45 @@ struct PasswordHintData {
#[post("/accounts/password-hint", data = "<data>")]
fn password_hint(data: JsonUpcase<PasswordHintData>, conn: DbConn) -> EmptyResult {
let data: PasswordHintData = data.into_inner().data;
let hint = match User::find_by_mail(&data.Email, &conn) {
Some(user) => user.password_hint,
None => return Ok(()),
};
if CONFIG.mail_enabled() {
mail::send_password_hint(&data.Email, hint)?;
} else if CONFIG.show_password_hint() {
if let Some(hint) = hint {
err!(format!("Your password hint is: {}", &hint));
} else {
err!("Sorry, you have no password hint...");
}
if !CONFIG.mail_enabled() && !CONFIG.show_password_hint() {
err!("This server is not configured to provide password hints.");
}
Ok(())
const NO_HINT: &str = "Sorry, you have no password hint...";
let data: PasswordHintData = data.into_inner().data;
let email = &data.Email;
match User::find_by_mail(email, &conn) {
None => {
// To prevent user enumeration, act as if the user exists.
if CONFIG.mail_enabled() {
// There is still a timing side channel here in that the code
// paths that send mail take noticeably longer than ones that
// don't. Add a randomized sleep to mitigate this somewhat.
use rand::{thread_rng, Rng};
let mut rng = thread_rng();
let base = 1000;
let delta: i32 = 100;
let sleep_ms = (base + rng.gen_range(-delta..=delta)) as u64;
std::thread::sleep(std::time::Duration::from_millis(sleep_ms));
Ok(())
} else {
err!(NO_HINT);
}
}
Some(user) => {
let hint: Option<String> = user.password_hint;
if CONFIG.mail_enabled() {
mail::send_password_hint(email, hint)?;
Ok(())
} else if let Some(hint) = hint {
err!(format!("Your password hint is: {}", hint));
} else {
err!(NO_HINT);
}
}
}
}
#[derive(Deserialize)]

7
src/config.rs
View file

@ -388,9 +388,10 @@ make_config! {
/// Password iterations |> Number of server-side passwords hashing iterations.
/// The changes only apply when a user changes their password. Not recommended to lower the value
password_iterations: i32, true, def, 100_000;
/// Show password hints |> Controls if the password hint should be shown directly in the web page.
/// Otherwise, if email is disabled, there is no way to see the password hint
show_password_hint: bool, true, def, true;
/// Show password hint |> Controls whether a password hint should be shown directly in the web page
/// if SMTP service is not configured. Not recommended for publicly-accessible instances as this
/// provides unauthenticated access to potentially sensitive data.
show_password_hint: bool, true, def, false;
/// Admin page token |> The token used to authenticate in this very same page. Changing it here won't deauthorize the current session
admin_token: Pass, true, option;