Files
realm-chat/auth/src/server.rs

524 lines
20 KiB
Rust

use std::env;
use std::net::SocketAddr;
use chrono::Utc;
use mail_send::{Credentials, SmtpClientBuilder};
use mail_send::mail_builder::MessageBuilder;
use rand::Rng;
use regex::Regex;
use sha3::{Digest, Sha3_256};
use sha3::digest::Update;
use sqlx::{Pool, query, Sqlite};
use sqlx::sqlite::SqliteQueryResult;
use tarpc::context::Context;
use tracing::*;
use tracing::log::__private_api::log;
use crate::types::{AuthEmail, AuthUser, RealmAuth};
use realm_shared::types::ErrorCode;
use realm_shared::types::ErrorCode::*;
#[derive(Clone)]
pub struct RealmAuthServer {
pub socket: SocketAddr,
pub db_pool: Pool<Sqlite>,
pub auth_email: AuthEmail,
pub template_html: String,
pub template_txt: String,
pub domain: String,
}
impl RealmAuthServer {
pub fn new(socket: SocketAddr, db_pool: Pool<Sqlite>, auth_email: AuthEmail) -> RealmAuthServer {
RealmAuthServer {
socket,
db_pool,
auth_email,
template_html: std::fs::read_to_string("./login_email.html").expect("A login_email.html file is needed"),
template_txt: std::fs::read_to_string("./login_email.txt").expect("A login_email.txt file is needed"),
domain: env::var("DOMAIN").expect("DOMAIN must be set"),
}
}
pub fn gen_login_code(&self) -> u16 {
let mut rng = rand::thread_rng();
let mut login_code: u16 = 0;
for n in 1..=6 {
if n == 1 {
login_code += rng.gen_range(1..=9);
}
login_code += rng.gen_range(0..=9) * (10^n);
}
login_code
}
pub async fn is_username_taken(&self, username: &str) -> Result<bool, ErrorCode> {
let result = query!("SELECT NOT EXISTS (SELECT 1 FROM user WHERE username = ?) AS does_exist", username).fetch_one(&self.db_pool).await;
match result {
Ok(row) => Ok(row.does_exist != 0),
Err(_) => Err(InvalidUsername)
}
}
pub async fn is_email_taken(&self, email: &str) -> Result<bool, ErrorCode> {
let result = query!("SELECT NOT EXISTS (SELECT 1 FROM user WHERE email = ?) AS does_exist", email).fetch_one(&self.db_pool).await;
match result {
Ok(row) => Ok(row.does_exist != 0),
Err(_) => Err(InvalidUsername)
}
}
pub async fn is_authorized(&self, username: &str, token: &str) -> Result<bool, ErrorCode> {
let result = query!("SELECT tokens FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
match result {
Ok(row) => {
let token_long: &str = &row.tokens.unwrap();
let tokens = token_long.split(',').collect::<Vec<&str>>();
for i in 0..tokens.len() {
if tokens.get(i).unwrap() == &token {
return Ok(true)
}
}
Ok(false)
},
Err(_) => Err(InvalidUsername),
}
}
pub async fn send_login_message(&self, username: &str, email: &str, login_code: u16) -> Result<(), ErrorCode> {
let message = MessageBuilder::new()
.from((self.auth_email.auth_name.clone(), self.auth_email.auth_username.clone()))
.to(vec![
(username, email),
])
.subject(format!("Realm confirmation code: {}", &login_code))
.html_body(self.template_html.replace("{}", &login_code.to_string()))
.text_body(self.template_txt.replace("{}", &login_code.to_string()));
let result = SmtpClientBuilder::new(&self.auth_email.server_address, self.auth_email.server_port)
.implicit_tls(false)
.credentials(Credentials::new(&self.auth_email.auth_username, &self.auth_email.auth_password))
.connect()
.await;
match result {
Ok(mut client) => {
let result = client.send(message).await;
match result {
Ok(_) => {
Ok(())
}
Err(_) => {
Err(UnableToSendMail)
}
}
}
Err(_) => {
Err(UnableToConnectToMail)
}
}
}
pub async fn is_login_code_valid(&self, username: &str, login_code: u16) -> Result<bool, ErrorCode> {
let result = query!("SELECT login_code FROM user WHERE username = ?;", username).fetch_one(&self.db_pool).await;
match result {
Ok(row) => {
if row.login_code.unwrap() as u16 != login_code {
return Ok(false)
}
Ok(true)
}
Err(_) => Err(InvalidUsername)
}
}
pub fn is_username_valid(&self, username: &str) -> bool {
if !username.starts_with('@') || !username.contains(':') {
return false
}
let name = &username[1..username.find(':').unwrap()];
let domain = &username[username.find(':').unwrap()+1..];
let re = Regex::new(r"^[a-zA-Z0-9]+$").unwrap();
if !re.is_match(name) {
return false
}
if !domain.eq(&self.domain) {
return false
}
true
}
pub async fn reset_login_code(&self, username: &str) -> Result<(), ErrorCode> {
let result = query!("UPDATE user SET login_code = NULL WHERE username = ?", username).execute(&self.db_pool).await;
match result {
Ok(_) => Ok(()),
Err(_) => Err(InvalidUsername)
}
}
}
impl RealmAuth for RealmAuthServer {
async fn test(self, _: Context, name: String) -> String {
format!("Hello {} auth!", name)
}
async fn server_token_validation(self, _: Context, server_token: String, username: String, server_id: String, domain: String, tarpc_port: u16) -> bool {
info!("API Request: server_token_validation( server_token -> {}, username -> {}, server_id -> {}, domain -> {}, tarpc_port -> {} )",
server_token, username, server_id, domain, tarpc_port);
let result = query!("SELECT tokens FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
match result {
Ok(row) => {
let token_long: &str = &row.tokens.unwrap();
let tokens = token_long.split(',').collect::<Vec<&str>>();
for token in tokens {
let hash = Sha3_256::new().chain(format!("{}{}{}{}", token, server_id, domain, tarpc_port)).finalize();
if hex::encode(hash) == server_token {
return true
}
}
false
},
Err(_) => false,
}
}
async fn create_account_flow(self, _: Context, username: String, email: String) -> Result<(), ErrorCode> {
info!("API Request: create_account_flow( username -> {}, email -> {} )", username, email);
if !self.is_username_valid(&username) {
return Err(InvalidUsername)
}
if self.is_username_taken(&username).await? {
return Err(UsernameTaken)
}
if self.is_email_taken(&email).await? {
return Err(EmailTaken)
}
let code = self.gen_login_code();
self.send_login_message(&username, &email, code).await?;
let result = query!("INSERT INTO user (username, email, avatar, login_code, tokens) VALUES (?, ?, '', ?, '')", username, email, code)
.execute(&self.db_pool).await;
match result {
Ok(_) => Ok(()),
Err(_) => Err(Error)
}
}
async fn create_login_flow(self, _: Context, mut username: Option<String>, mut email: Option<String>) -> Result<(), ErrorCode> {
info!("API Request: create_login_flow( username -> {}, email -> {} )", username.clone().unwrap_or("None".to_string()), email.clone().unwrap_or("None".to_string()));
if username.is_none() && email.is_none() {
return Err(Error)
}
if username.is_none() {
let tmp = email.clone().unwrap();
let result = query!("SELECT username FROM user WHERE email = ?;", tmp)
.fetch_one(&self.db_pool).await;
match result {
Ok(row) => {
username = Some(row.username);
}
Err(_) => return Err(InvalidEmail)
}
}
if email.clone().is_none() {
let tmp = username.clone().unwrap();
let result = query!("SELECT email FROM user WHERE username = ?;", tmp)
.fetch_one(&self.db_pool).await;
match result {
Ok(row) => {
email = Some(row.email);
}
Err(_) => return Err(InvalidUsername)
}
}
let code = self.gen_login_code();
let result = query!("UPDATE user SET login_code = ? WHERE username = ?;", code, username)
.execute(&self.db_pool).await;
match result {
Ok(_) => self.send_login_message(&username.unwrap(), &email.unwrap(), code).await,
Err(_) => Err(InvalidUsername)
}
}
async fn finish_login_flow(self, _: Context, username: String, login_code: u16) -> Result<String, ErrorCode> {
info!("API Request: finish_login_flow( username -> {}, login_code -> {} )", username, login_code);
if !self.is_login_code_valid(&username, login_code).await? {
error!("Unauthorized request made for finish_login_flow() (bad login code)! username -> {}, login_code -> {}", username, login_code);
return Err(InvalidLoginCode)
}
self.reset_login_code(&username).await?;
let _ = query!("UPDATE user SET login_code = NULL WHERE username = ?", username).execute(&self.db_pool).await;
let hash = Sha3_256::new().chain(format!("{}{}{}", username, login_code, Utc::now().to_utc())).finalize();
let token = hex::encode(hash);
let result = query!("SELECT tokens FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
match result {
Ok(row) => {
let token_long: &str = &row.tokens.unwrap();
let mut tokens = token_long.split(',').collect::<Vec<&str>>();
tokens.push(&token);
let mega_token = tokens.join(",");
let result = query!("UPDATE user SET tokens = ? WHERE username = ?", mega_token, username)
.execute(&self.db_pool).await;
match result {
Ok(_) => Ok(token),
Err(_) => Err(InvalidUsername)
}
}
Err(_) => Err(InvalidUsername)
}
}
async fn change_email_flow(self, _: Context, username: String, new_email: String, token: String) -> Result<(), ErrorCode> {
info!("API Request: change_email_flow( username -> {}, new_email -> {}, token -> {} )", username, new_email, token);
if !self.is_authorized(&username, &token).await? {
return Err(Unauthorized)
}
if self.is_email_taken(&new_email).await? {
return Err(EmailTaken)
}
let _ = query!("UPDATE user SET new_email = ? WHERE username = ?", new_email, username).execute(&self.db_pool).await.unwrap();
let code = self.gen_login_code();
let result = query!("UPDATE user SET login_code = ? WHERE username = ?;", code, username)
.execute(&self.db_pool).await;
match result {
Ok(_) => self.send_login_message(&username, &new_email, code).await,
Err(_) => Err(InvalidUsername)
}
}
async fn finish_change_email_flow(self, _: Context, username: String, new_email: String, token: String, login_code: u16) -> Result<(), ErrorCode> {
info!("API Request: finish_change_email_flow( username -> {}, new_email -> {}, token -> {}, login_code -> {} )", username, new_email, token, login_code);
if !self.is_authorized(&username, &token).await? {
error!("Unauthorized request made for finish_change_email_flow() (bad token)! username -> {}, token -> {}", username, token);
return Err(Unauthorized)
}
if self.is_email_taken(&new_email).await? {
error!("Email already taken for email change (but its the end of the flow?!) username -> {}, new_email -> {}", username, new_email);
return Err(EmailTaken)
}
if !self.is_login_code_valid(&username, login_code).await? {
error!("Unauthorized request made for finish_change_email_flow() (bad login code)! username -> {}, login_code -> {}", username, login_code);
return Err(InvalidLoginCode)
}
let _ = query!("UPDATE user SET new_email = NULL WHERE username = ?", username).execute(&self.db_pool).await;
let _ = query!("UPDATE user SET email = ? WHERE username = ?", new_email, username).execute(&self.db_pool).await;
self.reset_login_code(&username).await?;
Ok(())
}
// async fn change_username(self, _: Context, username: String, token: String, new_username: String) -> Result<(), ErrorCode> {
// info!("API Request: change_username( username -> {}, token -> {}, new_username -> {} )", username, token, new_username);
//
// if !self.is_authorized(&username, &token).await? {
// error!("Unauthorized request made for change_username()! username -> {}, token -> {}", username, token);
// return Err(Unauthorized)
// }
//
// if !self.is_username_valid(&new_username) {
// error!("Malformed username in request for change_username()! new_username -> {}", new_username);
// return Err(InvalidUsername)
// }
//
// if self.is_username_taken(&new_username).await? {
// error!("Username is taken for change_username()! new_username -> {}", new_username);
// return Err(UsernameTaken)
// }
//
// let result = query!("UPDATE user SET username = ? WHERE username = ?", new_username, username).execute(&self.db_pool).await;
// match result {
// Ok(_) => Ok(()),
// Err(_) => Err(Error)
// }
// }
async fn change_avatar(self, _: Context, username: String, token: String, new_avatar: String) -> Result<(), ErrorCode> {
info!("API Request: change_avatar( username -> {}, token -> {}, new_avatar -> {} )", username, token, new_avatar);
if !self.is_authorized(&username, &token).await? {
error!("Unauthorized request made for change_avatar()! username -> {}, token -> {}", username, token);
return Err(Unauthorized)
}
let result = query!("UPDATE user SET avatar = ? WHERE username = ?", new_avatar, username).execute(&self.db_pool).await;
match result {
Ok(_) => Ok(()),
Err(_) => Err(Error)
}
}
async fn get_all_data(self, _: Context, username: String, token: String) -> Result<AuthUser, ErrorCode> {
info!("API Request: get_all_data( username -> {}, token -> {} )", username, token);
if !self.is_authorized(&username, &token).await? {
error!("Unauthorized request made for get_all_data()! username -> {}, token -> {}", username, token);
return Err(Unauthorized)
}
let result = query!(r"SELECT * FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
match result {
Ok(row) => {
Ok(AuthUser {
id: row.id,
username: row.username,
email: row.email,
avatar: row.avatar,
login_code: None,
bigtoken: row.tokens,
google_oauth: row.google_oauth,
apple_oauth: row.apple_oauth,
github_oauth: row.github_oauth,
discord_oauth: row.discord_oauth,
})
}
Err(_) => {
error!("Invalid username in request for get_all_data()! username -> {}", username);
Err(InvalidUsername)
}
}
}
async fn sign_out(self, _: Context, username: String, token: String) -> Result<(), ErrorCode> {
info!("API Request: sign_out( username -> {}, token -> {} )", username, token);
let result = query!("SELECT tokens FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
match result {
Ok(row) => {
let token_long: &str = &row.tokens.unwrap();
let mut tokens = token_long.split(',').collect::<Vec<&str>>();
for i in 0..tokens.len() {
if tokens.get(i).unwrap().eq(&token.as_str()) {
tokens.remove(i);
let mega_token = tokens.join(",").to_string();
let result = query!("UPDATE user SET tokens = ? WHERE username = ?", mega_token, username)
.execute(&self.db_pool).await;
return match result {
Ok(_) => Ok(()),
Err(_) => {
error!("Unable to update tokens on sign_out()! \
username -> {}, (previous) token_long -> {}, mega_token -> {}, token -> {}",
username, token_long, mega_token, token);
Err(Error)
}
};
}
}
error!("Unauthorized request made for sign_out()! username -> {}, token -> {}", username, token);
Err(Unauthorized)
},
Err(_) => {
error!("Invalid username in request for get_avatar_for_user()! username -> {}", username);
Err(InvalidUsername)
},
}
}
async fn delete_account_flow(self, _: Context, username: String, token: String) -> Result<(), ErrorCode> {
info!("API Request: delete_account_flow( username -> {}, token -> {} )", username, token);
if !self.is_authorized(&username, &token).await? {
return Err(Unauthorized)
}
let email = match query!("SELECT email FROM user WHERE username = ?;", username).fetch_one(&self.db_pool).await {
Ok(row) => Ok(row.email),
Err(_) => Err(InvalidUsername),
}?;
let code = self.gen_login_code();
let result = query!("UPDATE user SET login_code = ? WHERE username = ?;", code, username)
.execute(&self.db_pool).await;
match result {
Ok(_) => self.send_login_message(&username, &email, code).await,
Err(_) => Err(InvalidUsername)
}
}
async fn finish_delete_account_flow(self, _: Context, username: String, token: String, login_code: u16) -> Result<(), ErrorCode> {
info!("API Request: finish_delete_account_flow( username -> {}, token -> {}, login_code -> {} )", username, token, login_code);
if !self.is_authorized(&username, &token).await? {
return Err(Unauthorized)
}
if !self.is_login_code_valid(&username, login_code).await? {
return Err(InvalidLoginCode)
}
self.reset_login_code(&username).await?;
let result = query!("DELETE FROM user WHERE username = ?", username).execute(&self.db_pool).await;
match result {
Ok(_) => Ok(()),
Err(_) => Err(InvalidUsername)
}
}
async fn get_avatar_for_user(self, _: Context, username: String) -> Result<String, ErrorCode> {
info!("API Request: get_avatar_for_user( username -> {} )", username);
let result = query!("SELECT avatar FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
match result {
Ok(row) => Ok(row.avatar),
Err(_) => {
error!("Invalid username in request for get_avatar_for_user()! username -> {}", username);
Err(InvalidUsername)
}
}
}
}