yggdrasil/src/server/authserver/authenticate.rs

92 lines
3.2 KiB
Rust

/*
* Yggdrasil: Minecraft authentication server
* Copyright (C) 2023 0xf8.dev@proton.me
*
* This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use tide::{prelude::*, Request, Result};
use yggdrasil::*;
use yggdrasil::errors::YggdrasilError;
use yggdrasil::structs::{Account::Account, Cape::Cape, Token::Token};
#[derive(Deserialize, Debug)]
struct Agent {
pub name: String,
pub version: i64
}
#[derive(Deserialize, Debug)]
struct AuthenticateBody {
pub agent: Agent,
pub username: String,
pub password: String, // hashed?
#[serde(rename = "clientToken")]
pub client_token: Option<String>,
#[serde(rename = "requestUser")]
pub request_user: Option<bool>
}
pub async fn authenticate(mut req: Request<Database>) -> Result {
let Ok(body) = req.body_json::<AuthenticateBody>().await else {
return Err(YggdrasilError::new_bad_request("Bad Request").into());
};
// Check current agent
if body.agent.name != "Minecraft" || body.agent.version != 1 {
return Err(YggdrasilError::new_bad_request("Unsupported game.").into());
};
// Get account
let account = Account::from_email(req.state(), body.username).await;
// Account doesn't exist
let Some(account) = account else {
return Err(YggdrasilError::new_forbidden("Invalid credentials. Invalid username or password.").into())
};
// Password incorrect
if account.password_hash != body.password {
return Err(YggdrasilError::new_forbidden("Invalid credentials. Invalid username or password.").into());
}
// Response
let client_token = match body.client_token {
None => Token::random_token(),
Some(t) => t
};
let mut response = json!({
"clientToken": client_token,
"accessToken": "", // TODO: register_token
"availableProfiles": [], // TODO: get account profiles
});
// Give selected profile if it exists
if account.selected_profile.is_some() {
let profile = account.to_owned().selected_profile.unwrap();
response["selectedProfile"] = json!({
"uuid": profile.uuid,
"name": profile.name,
"name_history": profile.name_history,
"skin_variant": profile.skin_variant,
"capes": match profile.capes {
Some(capes) => Cape::capes_to_string(capes),
None => "".to_string()
},
"active_cape": profile.active_cape.unwrap(),
"attributes": profile.attributes.to_json()
});
}
// Give user if requested
if body.request_user.unwrap_or(false) { response["user"] = account.to_user() }
Ok(response.into())
}