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|
use std::{ops::Deref, str::FromStr};
use rusqlite::{
ToSql,
types::{FromSql, FromSqlError, FromSqlResult, ToSqlOutput, ValueRef},
};
use crate::ParseError;
const USER_ID_LENGTH: usize = 6;
const SESSION_ID_LENGTH: usize = 12;
#[derive(Copy, Clone, Debug, PartialEq)]
pub struct Base58Id<const N: usize>([u8; N]);
pub type UserId = Base58Id<USER_ID_LENGTH>;
pub type SessionId = Base58Id<SESSION_ID_LENGTH>;
impl<const N: usize> Base58Id<N> {
pub fn new(id: [u8; N]) -> Result<Self, ParseError> {
id.iter().try_for_each(|b| {
if !b.is_ascii_graphic() {
Err(ParseError::IdNotPrintable)
} else {
Ok(())
}
})?;
Ok(Self(id))
}
pub unsafe fn new_unchecked(id: [u8; N]) -> Self {
Self(id)
}
pub fn as_str(&self) -> &str {
// SAFTEY: the UserID is only ever expected to contain base58 characters.
// All constructors are privated to the crate or do not allow setting the
// data of the ID itself without checks
str::from_utf8(&self.0).unwrap()
}
pub fn as_slice(&self) -> &[u8] {
&self.0
}
}
impl<const N: usize> Deref for Base58Id<N> {
type Target = [u8; N];
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl<const N: usize> ToSql for Base58Id<N> {
fn to_sql(&self) -> rusqlite::Result<ToSqlOutput<'_>> {
self.as_str().to_sql()
}
}
impl<const N: usize> FromSql for Base58Id<N> {
fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
match value {
ValueRef::Text(data) => data.try_into().map_err(|pe| FromSqlError::from(pe)),
_ => Err(FromSqlError::InvalidType),
}
}
}
impl<const N: usize> FromStr for Base58Id<N> {
type Err = ParseError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
s.as_bytes().try_into()
}
}
impl<const N: usize> TryFrom<&[u8]> for Base58Id<N> {
type Error = ParseError;
fn try_from(bytes: &[u8]) -> Result<Self, Self::Error> {
let tryinto: [u8; N] = bytes.try_into().map_err(|_| ParseError::IdIncorrectSize {
expected: N,
actual: bytes.len(),
})?;
Base58Id::new(tryinto).map_err(|pe| pe.into())
}
}
#[derive(Clone, Debug)]
pub struct HashedPassword(String);
impl HashedPassword {
pub fn new(hash: String) -> Self {
Self(hash)
}
pub fn to_string(&self) -> String {
self.0.clone()
}
}
pub trait AsUserId {
fn userid(&self) -> &UserId;
}
#[derive(Clone, Debug, PartialEq)]
pub struct AnonymousUser {
id: UserId,
}
impl AnonymousUser {
pub fn new(id: UserId) -> Self {
Self { id }
}
}
impl AsUserId for AnonymousUser {
fn userid(&self) -> &UserId {
&self.id
}
}
#[derive(Clone, Debug)]
pub struct User {
id: UserId,
name: String,
}
impl AsUserId for User {
fn userid(&self) -> &UserId {
&self.id
}
}
impl User {
pub fn new(id: UserId, name: String) -> Self {
Self { id, name }
}
pub fn name(&self) -> &str {
&self.name
}
}
#[derive(Clone, Debug)]
pub struct UserAuth {
user: User,
hash: HashedPassword,
}
impl UserAuth {
pub fn new(user: User, hash: HashedPassword) -> Self {
Self { user, hash }
}
pub fn hash(&self) -> &HashedPassword {
&self.hash
}
pub fn user(&self) -> &User {
&self.user
}
}
impl Into<User> for UserAuth {
fn into(self) -> User {
self.user
}
}
#[derive(Clone, Debug)]
pub struct Session {
id: SessionId,
user: User,
}
impl Session {
pub fn new(id: SessionId, user: User) -> Self {
Self { id, user }
}
pub fn sessionid(&self) -> &SessionId {
&self.id
}
pub fn user(&self) -> &User {
&self.user
}
}
impl Into<User> for Session {
fn into(self) -> User {
self.user
}
}
|
