polaris-mirror/src/user.rs
2020-01-15 21:58:37 -08:00

120 lines
2.9 KiB
Rust

use anyhow::*;
use diesel;
use diesel::prelude::*;
use crate::db::users;
use crate::db::DB;
#[derive(Debug, Insertable, Queryable)]
#[table_name = "users"]
pub struct User {
pub name: String,
pub password_hash: String,
pub admin: i32,
}
const HASH_ITERATIONS: u32 = 10000;
impl User {
pub fn new(name: &str, password: &str) -> Result<User> {
let hash = hash_password(password)?;
Ok(User {
name: name.to_owned(),
password_hash: hash,
admin: 0,
})
}
}
pub fn hash_password(password: &str) -> Result<String> {
match pbkdf2::pbkdf2_simple(password, HASH_ITERATIONS) {
Ok(hash) => Ok(hash),
Err(e) => Err(e.into()),
}
}
fn verify_password(password_hash: &str, attempted_password: &str) -> bool {
pbkdf2::pbkdf2_check(attempted_password, password_hash).is_ok()
}
pub fn auth(db: &DB, username: &str, password: &str) -> Result<bool> {
use crate::db::users::dsl::*;
let connection = db.connect()?;
match users
.select(password_hash)
.filter(name.eq(username))
.get_result(&connection)
{
Err(diesel::result::Error::NotFound) => Ok(false),
Ok(hash) => {
let hash: String = hash;
Ok(verify_password(&hash, password))
}
Err(e) => Err(e.into()),
}
}
pub fn count(db: &DB) -> Result<i64> {
use crate::db::users::dsl::*;
let connection = db.connect()?;
let count = users.count().get_result(&connection)?;
Ok(count)
}
pub fn exists(db: &DB, username: &str) -> Result<bool> {
use crate::db::users::dsl::*;
let connection = db.connect()?;
let results: Vec<String> = users
.select(name)
.filter(name.eq(username))
.get_results(&connection)?;
Ok(results.len() > 0)
}
pub fn is_admin(db: &DB, username: &str) -> Result<bool> {
use crate::db::users::dsl::*;
let connection = db.connect()?;
let is_admin: i32 = users
.filter(name.eq(username))
.select(admin)
.get_result(&connection)?;
Ok(is_admin != 0)
}
pub fn lastfm_link(db: &DB, username: &str, lastfm_login: &str, session_key: &str) -> Result<()> {
use crate::db::users::dsl::*;
let connection = db.connect()?;
diesel::update(users.filter(name.eq(username)))
.set((
lastfm_username.eq(lastfm_login),
lastfm_session_key.eq(session_key),
))
.execute(&connection)?;
Ok(())
}
pub fn get_lastfm_session_key(db: &DB, username: &str) -> Result<String> {
use crate::db::users::dsl::*;
let connection = db.connect()?;
let token = users
.filter(name.eq(username))
.select(lastfm_session_key)
.get_result(&connection)?;
match token {
Some(t) => Ok(t),
_ => Err(anyhow!("Missing LastFM credentials")),
}
}
pub fn is_lastfm_linked(db: &DB, username: &str) -> bool {
get_lastfm_session_key(db, username).is_ok()
}
pub fn lastfm_unlink(db: &DB, username: &str) -> Result<()> {
use crate::db::users::dsl::*;
let connection = db.connect()?;
diesel::update(users.filter(name.eq(username)))
.set((lastfm_session_key.eq(""), lastfm_username.eq("")))
.execute(&connection)?;
Ok(())
}