622 lines
19 KiB
Rust
622 lines
19 KiB
Rust
use std::env;
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use std::net::SocketAddr;
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use chrono::Utc;
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use lettre::{Message, SmtpTransport, Transport};
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use lettre::message::header::ContentType;
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use lettre::message::Mailbox;
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use lettre::transport::smtp::authentication::Credentials;
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use lettre::transport::smtp::client::Tls;
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use rand::Rng;
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use regex::Regex;
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use sha3::{Digest, Sha3_256};
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use sha3::digest::Update;
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use sqlx::{Pool, query, Sqlite};
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use tarpc::context::Context;
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use tracing::*;
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use crate::types::{AuthEmail, AuthUser, RealmAuth};
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use realm_shared::types::ErrorCode;
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use realm_shared::types::ErrorCode::*;
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#[derive(Clone)]
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pub struct RealmAuthServer {
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pub socket: SocketAddr,
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pub db_pool: Pool<Sqlite>,
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pub auth_email: AuthEmail,
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pub template_html: String,
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pub domain: String,
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}
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impl RealmAuthServer {
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pub fn new(socket: SocketAddr, db_pool: Pool<Sqlite>, auth_email: AuthEmail) -> RealmAuthServer {
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RealmAuthServer {
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socket,
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db_pool,
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auth_email,
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template_html: std::fs::read_to_string("./login_email.html").expect("A login_email.html file is needed"),
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domain: env::var("DOMAIN").expect("DOMAIN must be set"),
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}
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}
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fn gen_login_code(&self) -> u32 {
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let mut rng = rand::thread_rng();
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let first_digit: u32 = rng.gen_range(1..10);
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let remaining_digits: u32 = rng.gen_range(0..100_000);
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first_digit * 100_000 + remaining_digits
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}
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async fn is_username_taken(&self, username: &str) -> Result<bool, ErrorCode> {
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let result = query!("SELECT EXISTS (SELECT 1 FROM user WHERE username = ?) AS does_exist", username).fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => Ok(row.does_exist != 0),
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Err(_) => Err(InvalidUsername)
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}
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}
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async fn is_email_taken(&self, email: &str) -> Result<bool, ErrorCode> {
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let result = query!("SELECT EXISTS (SELECT 1 FROM user WHERE email = ?) AS does_exist", email).fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => Ok(row.does_exist != 0),
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Err(_) => Err(InvalidUsername)
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}
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}
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async fn is_authorized(&self, username: &str, token: &str) -> Result<bool, ErrorCode> {
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let result = query!("SELECT tokens FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => {
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let token_long: &str = &row.tokens.unwrap();
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let tokens : Vec<&str> = {
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if token_long.eq("") {
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Vec::new()
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} else {
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token_long.split(',').collect::<Vec<&str>>()
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}
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};
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for i in 0..tokens.len() {
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if tokens.get(i).unwrap() == &token {
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return Ok(true);
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}
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}
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Ok(false)
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}
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Err(_) => Err(InvalidUsername),
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}
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}
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fn send_login_message(&self, username: &str, email: &str, login_code: u32) { // -> Result<(), ErrorCode>
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let auth_email = self.auth_email.clone();
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let template_html = self.template_html.clone();
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let username = username.to_string();
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let email = email.to_string();
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tokio::spawn(async move {
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let email = Message::builder()
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.from(Mailbox::new(Some(auth_email.auth_name.clone()), auth_email.auth_from_address.clone().parse().unwrap()))
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.to(Mailbox::new(Some(username.clone()), email.clone().parse().unwrap()))
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.bcc(Mailbox::new(Some(auth_email.auth_name.clone()), auth_email.auth_from_address.clone().parse().unwrap()))
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.subject(format!("Realm confirmation code: {}", &login_code))
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.header(ContentType::TEXT_HTML)
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.body(template_html.replace("{$LOGIN_CODE}", &login_code.to_string()))
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.unwrap();
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let creds = Credentials::new(auth_email.auth_username, auth_email.auth_password);
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// Open a remote connection to gmail
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let mailer = SmtpTransport::relay(&auth_email.server_address)
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.unwrap()
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.tls(Tls::None)
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.credentials(creds)
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.build();
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// Send the email
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match mailer.send(&email) {
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Ok(_) => info!("Email sent successfully!"),
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Err(e) => error!("Could not send email: {e:?}"),
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}
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});
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}
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async fn is_login_code_valid(&self, username: &str, login_code: u32) -> Result<bool, ErrorCode> {
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let result = query!("SELECT login_code FROM user WHERE username = ?;", username).fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => {
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if row.login_code.unwrap() as u32 != login_code {
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return Ok(false);
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}
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Ok(true)
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}
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Err(_) => Err(InvalidUsername)
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}
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}
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fn is_username_valid(&self, username: &str) -> bool {
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if !username.starts_with('@') || !username.contains(':') {
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return false;
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}
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let name = &username[1..username.find(':').unwrap()];
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let domain = &username[username.find(':').unwrap() + 1..];
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let re = Regex::new(r"^[a-zA-Z0-9]+$").unwrap();
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if !re.is_match(name) {
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return false;
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}
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if !domain.eq(&self.domain) {
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return false;
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}
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true
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}
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async fn reset_login_code(&self, username: &str) -> Result<(), ErrorCode> {
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let result = query!("UPDATE user SET login_code = NULL WHERE username = ?", username).execute(&self.db_pool).await;
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match result {
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Ok(_) => Ok(()),
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Err(_) => Err(InvalidUsername)
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}
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}
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}
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impl RealmAuth for RealmAuthServer {
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async fn test(self, _: Context, name: String) -> String {
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format!("Hello {} auth!", name)
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}
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async fn server_token_validation(self, _: Context, server_token: String, username: String, server_id: String, domain: String, tarpc_port: u16) -> bool {
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info!("API Request: server_token_validation( server_token -> {}, username -> {}, server_id -> {}, domain -> {}, tarpc_port -> {} )",
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server_token, username, server_id, domain, tarpc_port);
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let result = query!("SELECT tokens FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => {
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let token_long: &str = &row.tokens.unwrap();
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let tokens: Vec<&str> = {
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if token_long.eq("") {
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Vec::new()
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} else {
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token_long.split(',').collect::<Vec<&str>>()
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}
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};
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for token in tokens {
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if realm_shared::stoken(token, &server_id, &domain, tarpc_port) == server_token {
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return true;
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}
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}
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false
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}
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Err(_) => false,
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}
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}
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async fn create_account_flow(self, _: Context, username: String, email: String) -> Result<(), ErrorCode> {
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info!("API Request: create_account_flow( username -> {}, email -> {} )", username, email);
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if !self.is_username_valid(&username) {
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return Err(InvalidUsername);
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}
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if self.is_username_taken(&username).await? {
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return Err(UsernameTaken);
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}
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if self.is_email_taken(&email).await? {
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return Err(EmailTaken);
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}
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let code = self.gen_login_code();
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self.send_login_message(&username, &email, code);
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let result = query!("INSERT INTO user (username, email, new_email, avatar, servers, login_code, tokens) VALUES (?, ?, '', '', '', ?, '')", username, email, code)
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.execute(&self.db_pool).await;
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match result {
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Ok(_) => Ok(()),
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Err(e) => {
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error!("Error creating account: {e:?}");
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Err(Error)
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}
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}
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}
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async fn create_login_flow(self, _: Context, mut username: Option<String>, mut email: Option<String>) -> Result<(), ErrorCode> {
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info!("API Request: create_login_flow( username -> {}, email -> {} )", username.clone().unwrap_or("None".to_string()), email.clone().unwrap_or("None".to_string()));
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if username.is_none() && email.is_none() {
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return Err(Error);
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}
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if username.is_none() {
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let tmp = email.clone().unwrap();
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let result = query!("SELECT username FROM user WHERE email = ?;", tmp)
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.fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => {
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username = Some(row.username);
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}
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Err(_) => return Err(InvalidEmail)
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}
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}
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if email.clone().is_none() {
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let tmp = username.clone().unwrap();
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let result = query!("SELECT email FROM user WHERE username = ?;", tmp)
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.fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => {
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email = Some(row.email);
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}
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Err(_) => return Err(InvalidUsername)
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}
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}
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let code = self.gen_login_code();
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let result = query!("UPDATE user SET login_code = ? WHERE username = ?;", code, username)
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.execute(&self.db_pool).await;
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match result {
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Ok(_) => {
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self.send_login_message(&username.unwrap(), &email.unwrap(), code);
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Ok(())
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}
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Err(_) => Err(InvalidUsername)
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}
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}
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async fn finish_login_flow(self, _: Context, username: String, login_code: u32) -> Result<String, ErrorCode> {
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info!("API Request: finish_login_flow( username -> {}, login_code -> {} )", username, login_code);
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if !self.is_login_code_valid(&username, login_code).await? {
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error!("Unauthorized request made for finish_login_flow() (bad login code)! username -> {}, login_code -> {}", username, login_code);
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return Err(InvalidLoginCode);
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}
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self.reset_login_code(&username).await?;
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let _ = query!("UPDATE user SET login_code = NULL WHERE username = ?", username).execute(&self.db_pool).await;
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let hash = Sha3_256::new().chain(format!("{}{}{}", username, login_code, Utc::now().to_utc())).finalize();
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let token = hex::encode(hash);
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let result = query!("SELECT tokens FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => {
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let token_long: &str = &row.tokens.unwrap();
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let mut tokens: Vec<&str> = {
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if token_long.eq("") {
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Vec::new()
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} else {
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token_long.split(',').collect::<Vec<&str>>()
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}
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};
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tokens.push(&token);
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let mega_token = tokens.join(",");
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let result = query!("UPDATE user SET tokens = ? WHERE username = ?", mega_token, username)
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.execute(&self.db_pool).await;
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match result {
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Ok(_) => Ok(token),
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Err(_) => Err(InvalidUsername)
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}
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}
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Err(_) => Err(InvalidUsername)
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}
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}
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async fn change_email_flow(self, _: Context, username: String, new_email: String, token: String) -> Result<(), ErrorCode> {
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info!("API Request: change_email_flow( username -> {}, new_email -> {}, token -> {} )", username, new_email, token);
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if !self.is_authorized(&username, &token).await? {
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return Err(Unauthorized);
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}
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if self.is_email_taken(&new_email).await? {
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return Err(EmailTaken);
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}
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let _ = query!("UPDATE user SET new_email = ? WHERE username = ?", new_email, username).execute(&self.db_pool).await.unwrap();
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let code = self.gen_login_code();
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let result = query!("UPDATE user SET login_code = ? WHERE username = ?;", code, username)
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.execute(&self.db_pool).await;
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match result {
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Ok(_) => {
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self.send_login_message(&username, &new_email, code);
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Ok(())
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}
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Err(_) => Err(InvalidUsername)
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}
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}
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async fn finish_change_email_flow(self, _: Context, username: String, new_email: String, token: String, login_code: u32) -> Result<(), ErrorCode> {
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info!("API Request: finish_change_email_flow( username -> {}, new_email -> {}, token -> {}, login_code -> {} )", username, new_email, token, login_code);
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if !self.is_authorized(&username, &token).await? {
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error!("Unauthorized request made for finish_change_email_flow() (bad token)! username -> {}, token -> {}", username, token);
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return Err(Unauthorized);
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}
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if self.is_email_taken(&new_email).await? {
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error!("Email already taken for email change (but its the end of the flow?!) username -> {}, new_email -> {}", username, new_email);
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return Err(EmailTaken);
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}
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if !self.is_login_code_valid(&username, login_code).await? {
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error!("Unauthorized request made for finish_change_email_flow() (bad login code)! username -> {}, login_code -> {}", username, login_code);
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return Err(InvalidLoginCode);
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}
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let _ = query!("UPDATE user SET new_email = NULL WHERE username = ?", username).execute(&self.db_pool).await;
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let _ = query!("UPDATE user SET email = ? WHERE username = ?", new_email, username).execute(&self.db_pool).await;
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self.reset_login_code(&username).await?;
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Ok(())
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}
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async fn change_avatar(self, _: Context, username: String, token: String, new_avatar: String) -> Result<(), ErrorCode> {
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info!("API Request: change_avatar( username -> {}, token -> {}, new_avatar -> {} )", username, token, new_avatar);
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if !self.is_authorized(&username, &token).await? {
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error!("Unauthorized request made for change_avatar()! username -> {}, token -> {}", username, token);
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return Err(Unauthorized);
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}
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let result = query!("UPDATE user SET avatar = ? WHERE username = ?", new_avatar, username).execute(&self.db_pool).await;
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match result {
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Ok(_) => Ok(()),
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Err(_) => Err(Error)
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}
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}
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async fn get_all_data(self, _: Context, username: String, token: String) -> Result<AuthUser, ErrorCode> {
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info!("API Request: get_all_data( username -> {}, token -> {} )", username, token);
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if !self.is_authorized(&username, &token).await? {
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error!("Unauthorized request made for get_all_data()! username -> {}, token -> {}", username, token);
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return Err(Unauthorized);
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}
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let result = query!(r"SELECT * FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => {
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Ok(AuthUser {
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id: row.id,
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username: row.username,
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email: row.email,
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avatar: row.avatar,
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servers: row.servers,
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login_code: None,
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bigtoken: row.tokens,
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})
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}
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Err(_) => {
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error!("Invalid username in request for get_all_data()! username -> {}", username);
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Err(InvalidUsername)
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}
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}
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}
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async fn sign_out(self, _: Context, username: String, token: String) -> Result<(), ErrorCode> {
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info!("API Request: sign_out( username -> {}, token -> {} )", username, token);
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let result = query!("SELECT tokens FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
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match result {
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Ok(row) => {
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let token_long: &str = &row.tokens.unwrap();
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let mut tokens: Vec<&str> = {
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if token_long.eq("") {
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Vec::new()
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} else {
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token_long.split(',').collect::<Vec<&str>>()
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}
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};
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for i in 0..tokens.len() {
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if tokens.get(i).unwrap().eq(&token.as_str()) {
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tokens.remove(i);
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let mega_token = tokens.join(",").to_string();
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let result = query!("UPDATE user SET tokens = ? WHERE username = ?", mega_token, username)
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.execute(&self.db_pool).await;
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return match result {
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Ok(_) => Ok(()),
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Err(_) => {
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error!("Unable to update tokens on sign_out()! \
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username -> {}, (previous) token_long -> {}, mega_token -> {}, token -> {}",
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username, token_long, mega_token, token);
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Err(Error)
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}
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};
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}
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}
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error!("Unauthorized request made for sign_out()! username -> {}, token -> {}", username, token);
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Err(Unauthorized)
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}
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Err(_) => {
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error!("Invalid username in request for get_avatar_for_user()! username -> {}", username);
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Err(InvalidUsername)
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}
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}
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}
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async fn delete_account_flow(self, _: Context, username: String, token: String) -> Result<(), ErrorCode> {
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info!("API Request: delete_account_flow( username -> {}, token -> {} )", username, token);
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if !self.is_authorized(&username, &token).await? {
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return Err(Unauthorized);
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}
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let email = match query!("SELECT email FROM user WHERE username = ?;", username).fetch_one(&self.db_pool).await {
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Ok(row) => Ok(row.email),
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Err(_) => Err(InvalidUsername),
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}?;
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let code = self.gen_login_code();
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let result = query!("UPDATE user SET login_code = ? WHERE username = ?;", code, username)
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.execute(&self.db_pool).await;
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match result {
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Ok(_) => {
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self.send_login_message(&username, &email, code);
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Ok(())
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}
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Err(_) => Err(InvalidUsername)
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}
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}
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async fn finish_delete_account_flow(self, _: Context, username: String, token: String, login_code: u32) -> Result<(), ErrorCode> {
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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 add_server(self, _: Context, username: String, token: String, domain: String, port: u16) -> Result<(), ErrorCode> {
|
|
if !self.is_authorized(&username, &token).await? {
|
|
return Err(Unauthorized);
|
|
}
|
|
|
|
let address = format!("{}:{}", domain, port);
|
|
|
|
let result = query!("SELECT servers FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
|
|
match result {
|
|
Ok(row) => {
|
|
let mut vec_servers: Vec<&str> = {
|
|
if row.servers.eq("") {
|
|
Vec::new()
|
|
} else {
|
|
row.servers.split('|').collect::<Vec<&str>>()
|
|
}
|
|
};
|
|
for server in &vec_servers {
|
|
if server.eq(&address) {
|
|
return Err(AlreadyJoinedServer);
|
|
}
|
|
}
|
|
|
|
vec_servers.push(&address);
|
|
let new_servers = vec_servers.join("|");
|
|
|
|
let result = query!("UPDATE user SET servers = ? WHERE username = ?", new_servers, username).execute(&self.db_pool).await;
|
|
match result {
|
|
Ok(_) => Ok(()),
|
|
Err(_) => Err(Error)
|
|
}
|
|
}
|
|
Err(_) => Err(Error)
|
|
}
|
|
}
|
|
|
|
async fn remove_server(self, _: Context, username: String, token: String, domain: String, port: u16) -> Result<(), ErrorCode> {
|
|
if !self.is_authorized(&username, &token).await? {
|
|
return Err(Unauthorized);
|
|
}
|
|
|
|
let address = format!("{}:{}", domain, port);
|
|
|
|
let result = query!("SELECT servers FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
|
|
match result {
|
|
Ok(row) => {
|
|
let mut vec_servers: Vec<&str> = {
|
|
if row.servers.eq("") {
|
|
Vec::new()
|
|
} else {
|
|
row.servers.split('|').collect::<Vec<&str>>()
|
|
}
|
|
};
|
|
for i in 0..vec_servers.len() {
|
|
if vec_servers.get(i).unwrap().eq(&address) {
|
|
vec_servers.remove(i);
|
|
|
|
let new_servers = vec_servers.join("|");
|
|
let result = query!("UPDATE user SET servers = ? WHERE username = ?", new_servers, username).fetch_one(&self.db_pool).await;
|
|
return match result {
|
|
Ok(_) => Ok(()),
|
|
Err(_) => Err(Error)
|
|
};
|
|
}
|
|
}
|
|
|
|
Err(NotInServer)
|
|
}
|
|
Err(_) => Err(Error)
|
|
}
|
|
}
|
|
|
|
async fn get_joined_servers(self, _: Context, username: String, token: String) -> Result<Vec<String>, ErrorCode> {
|
|
if !self.is_authorized(&username, &token).await? {
|
|
return Err(Unauthorized);
|
|
}
|
|
|
|
let result = query!("SELECT servers FROM user WHERE username = ?", username).fetch_one(&self.db_pool).await;
|
|
match result {
|
|
Ok(row) => {
|
|
let vec_servers: Vec<&str> = {
|
|
if row.servers.eq("") {
|
|
Vec::new()
|
|
} else {
|
|
row.servers.split('|').collect::<Vec<&str>>()
|
|
}
|
|
};
|
|
let mut servers = Vec::new();
|
|
for server in vec_servers {
|
|
servers.push(server.to_string())
|
|
}
|
|
|
|
Ok(servers)
|
|
}
|
|
Err(_) => Err(Error)
|
|
}
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|
|
}
|
|
} |