167 lines
5.1 KiB
Rust
167 lines
5.1 KiB
Rust
use crate::schema::users;
|
|
use crate::schema::users::dsl::*;
|
|
use diesel::prelude::*;
|
|
use diesel::sqlite::SqliteConnection;
|
|
use serde::Deserialize;
|
|
use std::env;
|
|
use std::time::{SystemTime, UNIX_EPOCH};
|
|
|
|
#[derive(Debug)]
|
|
pub struct UserOpError(pub String);
|
|
|
|
impl UserOpError {
|
|
fn new(s: impl Into<String>) -> UserOpError {
|
|
UserOpError(s.into())
|
|
}
|
|
}
|
|
|
|
// Password should ALWAYS be hashed
|
|
#[derive(Debug)]
|
|
pub struct Password(String);
|
|
|
|
impl Password {
|
|
fn new(passwd: &str) -> Password {
|
|
let params = scrypt::ScryptParams::new(11, 8, 1).unwrap();
|
|
Password(scrypt::scrypt_simple(passwd, ¶ms).unwrap())
|
|
}
|
|
}
|
|
|
|
impl PartialEq<&str> for Password {
|
|
fn eq(&self, other: &&str) -> bool {
|
|
scrypt::scrypt_check(*other, &self.0).is_ok()
|
|
}
|
|
}
|
|
|
|
impl Into<Password> for String {
|
|
fn into(self) -> Password {
|
|
Password::new(&self)
|
|
}
|
|
}
|
|
|
|
// Convert itself to a hash String for db operations
|
|
impl Into<String> for Password {
|
|
fn into(self) -> String {
|
|
self.0
|
|
}
|
|
}
|
|
|
|
// A raw User returned from database
|
|
// we need to wrap the password in the Password type
|
|
#[derive(Queryable)]
|
|
struct UserQuery {
|
|
pub id: i32,
|
|
pub email: String,
|
|
pub password: String,
|
|
pub pw_cost: String,
|
|
pub pw_nonce: String,
|
|
pub version: String
|
|
}
|
|
|
|
impl Into<User> for UserQuery {
|
|
fn into(self) -> User {
|
|
User {
|
|
id: self.id,
|
|
email: self.email,
|
|
// We can directly construct Password here
|
|
// because it's already the hashed value from db
|
|
password: Password(self.password),
|
|
pw_cost: self.pw_cost,
|
|
pw_nonce: self.pw_nonce,
|
|
version: self.version
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
pub struct User {
|
|
pub id: i32,
|
|
pub email: String,
|
|
pub password: Password,
|
|
pub pw_cost: String,
|
|
pub pw_nonce: String,
|
|
pub version: String
|
|
}
|
|
|
|
#[derive(Insertable, Deserialize)]
|
|
#[table_name="users"]
|
|
pub struct NewUser {
|
|
pub email: String,
|
|
pub password: String,
|
|
pub pw_cost: String,
|
|
pub pw_nonce: String,
|
|
pub version: String
|
|
}
|
|
|
|
impl User {
|
|
pub fn create(db: &SqliteConnection, new_user: &NewUser) -> Result<(), UserOpError> {
|
|
let user_hashed = NewUser {
|
|
email: new_user.email.clone(),
|
|
password: Password::new(&new_user.password).into(),
|
|
pw_cost: new_user.pw_cost.clone(),
|
|
pw_nonce: new_user.pw_nonce.clone(),
|
|
version: new_user.version.clone()
|
|
};
|
|
|
|
match Self::find_user_by_email(db, &new_user.email) {
|
|
Ok(_) => Err(UserOpError::new("User already registered")),
|
|
Err(_) => diesel::insert_into(users::table)
|
|
.values(user_hashed)
|
|
.execute(db)
|
|
.map(|_| ())
|
|
.map_err(|_| UserOpError::new("Database error"))
|
|
}
|
|
}
|
|
|
|
pub fn find_user_by_email(db: &SqliteConnection, user_email: &str) -> Result<User, UserOpError> {
|
|
let mut results = users.filter(email.eq(user_email))
|
|
.limit(1)
|
|
.load::<UserQuery>(db)
|
|
.map_err(|_| UserOpError::new("Database error"))?;
|
|
if results.is_empty() {
|
|
Result::Err(UserOpError::new("No matching user found"))
|
|
} else {
|
|
Result::Ok(results.remove(0).into()) // Take ownership, kill the stupid Vec
|
|
}
|
|
}
|
|
|
|
// Create a JWT token for the current user if password matches
|
|
pub fn create_token(&self, passwd: &str) -> Result<String, UserOpError> {
|
|
if self.password != passwd {
|
|
Err(UserOpError::new("Password mismatch"))
|
|
} else {
|
|
jwt::Token::new(
|
|
jwt::Header::default(),
|
|
jwt::Claims::new(jwt::Registered {
|
|
iss: None,
|
|
sub: Some(self.email.clone()),
|
|
exp: None,
|
|
aud: None,
|
|
iat: Some(SystemTime::now().duration_since(UNIX_EPOCH)
|
|
.expect("wtf????").as_secs()),
|
|
nbf: None,
|
|
jti: None
|
|
})
|
|
).signed(env::var("SFRS_JWT_SECRET")
|
|
.expect("Please have SFRS_JWT_SECRET set")
|
|
.as_bytes(), crypto::sha2::Sha256::new())
|
|
.map_err(|_| UserOpError::new("Failed to generate token"))
|
|
}
|
|
}
|
|
|
|
// Change the password in database, if old password is provided
|
|
// The current instance of User model will not be mutated
|
|
pub fn change_pw(&self, db: &SqliteConnection, passwd: &str, new_passwd: &str) -> Result<(), UserOpError> {
|
|
if self.password != passwd {
|
|
Err(UserOpError::new("Password mismatch"))
|
|
} else {
|
|
// Update database
|
|
// TODO: Maybe we should revoke all JWTs somehow?
|
|
// maybe we can record when the user last changed?
|
|
diesel::update(users.find(self.id))
|
|
.set(password.eq::<String>(Password::new(new_passwd).into()))
|
|
.execute(db)
|
|
.map(|_| ())
|
|
.map_err(|_| UserOpError::new("Database error"))
|
|
}
|
|
}
|
|
} |