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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2023 metamuffin <metamuffin.org>
*/
pub mod admin;
pub mod session;
use super::{error::MyError, layout::LayoutPage};
use crate::{
database::{Database, User},
routes::ui::{error::MyResult, home::rocket_uri_macro_r_home, layout::DynLayoutPage},
CONF,
};
use anyhow::anyhow;
use argon2::{Argon2, PasswordHasher};
use rocket::{
form::{Contextual, Form},
get,
http::{Cookie, CookieJar},
post,
response::Redirect,
uri, FromForm, State,
};
#[derive(FromForm)]
pub struct RegisterForm {
#[field(validate = len(8..128))]
pub invitation: String,
#[field(validate = len(4..32))]
pub username: String,
#[field(validate = len(4..64))]
pub password: String,
}
#[get("/account/register")]
pub async fn r_account_register() -> DynLayoutPage<'static> {
LayoutPage {
title: "Register".to_string(),
content: markup::new! {
form.account[method="POST", action=""] {
h1 { "Register for " @CONF.brand }
label[for="inp-invitation"] { "Invite Code: " }
input[type="text", id="inp-invitation", name="invitation"]; br;
label[for="inp-username"] { "Username: " }
input[type="text", id="inp-username", name="username"]; br;
label[for="inp-password"] { "Password: " }
input[type="password", id="inp-password", name="password"]; br;
input[type="submit", value="Register now!"];
}
},
}
}
#[derive(FromForm)]
pub struct LoginForm {
#[field(validate = len(4..32))]
pub username: String,
#[field(validate = len(..64))]
pub password: String,
}
#[get("/account/login")]
pub fn r_account_login() -> DynLayoutPage<'static> {
LayoutPage {
title: "Log in".to_string(),
content: markup::new! {
form.account[method="POST", action=""] {
h1 { "Log in to your Account" }
label[for="inp-username"] { "Username: " }
input[type="text", id="inp-username", name="username"]; br;
label[for="inp-password"] { "Password: " }
input[type="password", id="inp-password", name="password"]; br;
input[type="submit", value="Login"];
p { "While logged in, a cookie will be used to identify you." }
}
},
}
}
#[get("/account/logout")]
pub fn r_account_logout() -> DynLayoutPage<'static> {
LayoutPage {
title: "Log out".to_string(),
content: markup::new! {
form.account[method="POST", action=""] {
h1 { "Log out" }
input[type="submit", value="Log out."];
}
},
}
}
#[post("/account/register", data = "<form>")]
pub fn r_account_register_post<'a>(
database: &'a State<Database>,
form: Form<Contextual<'a, RegisterForm>>,
) -> MyResult<DynLayoutPage<'a>> {
let form = match &form.value {
Some(v) => v,
None => return Err(format_form_error(form)),
};
if database.invites.remove(&form.invitation).unwrap().is_none() {
return Err(MyError(anyhow!("invitation invalid")));
}
match database
.users
.compare_and_swap(
&form.username,
None,
Some(&User {
display_name: form.username.clone(),
name: form.username.clone(),
password: hash_password(&form.password),
admin: false,
}),
)
.unwrap()
{
Ok(_) => Ok(LayoutPage {
title: "Registration successful".to_string(),
content: markup::new! {
h1 { "Registration successful, you may log in now." }
},
}),
Err(_) => Err(MyError(anyhow!("username is taken"))),
}
}
#[post("/account/login", data = "<form>")]
pub fn r_account_login_post(
database: &State<Database>,
jar: &CookieJar,
form: Form<Contextual<LoginForm>>,
) -> MyResult<Redirect> {
let form = match &form.value {
Some(v) => v,
None => return Err(format_form_error(form)),
};
// hashing the password regardless if the accounts exists to prevent timing attacks
let password = hash_password(&form.password);
let user = database
.users
.get(&form.username)?
.ok_or(anyhow!("invalid password"))?;
if user.password != password {
Err(anyhow!("invalid password"))?
}
jar.add_private(Cookie::build("user", user.name).permanent().finish());
Ok(Redirect::found(uri!(r_home())))
}
#[post("/account/logout")]
pub fn r_account_logout_post(jar: &CookieJar) -> MyResult<Redirect> {
jar.remove_private(Cookie::named("user"));
Ok(Redirect::found(uri!(r_home())))
}
fn format_form_error<T>(form: Form<Contextual<T>>) -> MyError {
let mut k = String::from("form validation failed:");
for e in form.context.errors() {
k += &format!(
"\n\t{}: {e}",
e.name
.as_ref()
.map(|e| e.to_string())
.unwrap_or("<unknown>".to_string())
)
}
MyError(anyhow!(k))
}
pub fn hash_password(s: &str) -> Vec<u8> {
Argon2::default()
.hash_password(s.as_bytes(), r"IYMa13osbNeLJKnQ1T8LlA")
.unwrap()
.hash
.unwrap()
.as_bytes()
.to_vec()
}
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