peach-workspace/peach-lib/src/password_utils.rs

131 lines
4.6 KiB
Rust

use crate::config_manager::{get_peachcloud_domain, load_peach_config,
set_admin_password_hash, get_admin_password_hash,
get_temporary_password_hash, set_temporary_password_hash};
use crate::error::PeachError;
use crate::error::StdIoError;
use crate::sbot_client;
use log::info;
use rand::distributions::Alphanumeric;
use rand::{thread_rng, Rng};
use snafu::ResultExt;
use std::iter;
use std::process::Command;
use crypto::digest::Digest;
use crypto::sha3::Sha3;
/// Returns Ok(()) if the supplied password is correct,
/// and returns Err if the supplied password is incorrect.
pub fn verify_password(password: &str) -> Result<(), PeachError> {
let real_admin_password_hash = get_admin_password_hash()?;
let password_hash = hash_password(&password.to_string());
if real_admin_password_hash == password_hash {
Ok(())
} else {
Err(PeachError::InvalidPassword)
}
}
/// Checks if the given passwords are valid, and returns Ok() if they are and
/// a PeachError otherwise.
/// Currently this just checks that the passwords are the same,
/// but could be extended to test if they are strong enough.
pub fn validate_new_passwords(new_password1: &str, new_password2: &str) -> Result<(), PeachError> {
if new_password1 == new_password2 {
Ok(())
} else {
Err(PeachError::PasswordsDoNotMatch)
}
}
/// Uses htpasswd to set a new password for the admin user
pub fn set_new_password(new_password: &str) -> Result<(), PeachError> {
let new_password_hash = hash_password(&new_password.to_string());
let result = set_admin_password_hash(&new_password_hash);
match result {
Ok(_) => {
Ok(())
},
Err(err) => {
Err(PeachError::FailedToSetNewPassword { msg: "failed to save password hash".to_string() })
}
}
}
/// Creates a hash from a password string
pub fn hash_password(password: &String) -> String {
let mut hasher = Sha3::sha3_256();
hasher.input_str(password);
hasher.result_str()
}
/// Uses htpasswd to set a new temporary password for the admin user
/// which can be used to reset the permanent password
pub fn set_new_temporary_password(new_password: &str) -> Result<(), PeachError> {
let new_password_hash = hash_password(&new_password.to_string());
let result = set_temporary_password_hash(&new_password_hash);
match result {
Ok(_) => {
Ok(())
},
Err(err) => {
Err(PeachError::FailedToSetNewPassword { msg: "failed to save temporary password hash".to_string() })
}
}
}
/// Returns Ok(()) if the supplied temp_password is correct,
/// and returns Err if the supplied temp_password is incorrect
pub fn verify_temporary_password(password: &str) -> Result<(), PeachError> {
let temporary_admin_password_hash = get_temporary_password_hash()?;
let password_hash = hash_password(&password.to_string());
if temporary_admin_password_hash == password_hash {
Ok(())
} else {
Err(PeachError::InvalidPassword)
}
}
/// generates a temporary password and sends it via ssb dm
/// to the ssb id configured to be the admin of the peachcloud device
pub fn send_password_reset() -> Result<(), PeachError> {
// first generate a new random password of ascii characters
let mut rng = thread_rng();
let temporary_password: String = iter::repeat(())
.map(|()| rng.sample(Alphanumeric))
.map(char::from)
.take(10)
.collect();
// save this string as a new temporary password
set_new_temporary_password(&temporary_password)?;
let domain = get_peachcloud_domain()?;
// then send temporary password as a private ssb message to admin
let mut msg = format!(
"Your new temporary password is: {}
If you are on the same WiFi network as your PeachCloud device you can reset your password \
using this link: http://peach.local/reset_password",
temporary_password
);
// if there is an external domain, then include remote link in message
// otherwise dont include it
let remote_link = match domain {
Some(domain) => {
format!(
"\n\nOr if you are on a different WiFi network, you can reset your password \
using the the following link: {}/reset_password",
domain
)
}
None => "".to_string(),
};
msg += &remote_link;
// finally send the message to the admins
let peach_config = load_peach_config()?;
info!("sending password reset: {}", msg);
for ssb_admin_id in peach_config.ssb_admin_ids {
sbot_client::private_message(&msg, &ssb_admin_id)?;
}
Ok(())
}