add umbrella crate

Cargo.toml

@@ -1,7 +1,10 @@
 [workspace]
 members = [
     "core/",
-    "http/"
+    "http/",
+    "auth/",
+    "captcha/",
+    "viendesu/",
 ]
 resolver = "3"
 
@@ -23,6 +26,9 @@ schemars = { git = "ssh://forgejo@git.viende.su:61488/VienDesu/schemars.git", fe
     "hashbrown015"
 ] }
 
+viendesu-captcha = { path = "captcha/" }
+viendesu-auth = { path = "auth/" }
+viendesu-http = { path = "http/" }
 viendesu-core = { path = "core/" }
 
 # TODO: upstream.

auth/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "viendesu-auth"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+eva.workspace = true
+viendesu-core.workspace = true

auth/src/lib.rs

@@ -0,0 +1 @@
+pub mod passwords;

auth/src/passwords.rs

@@ -0,0 +1,24 @@
+use eva::auto_impl;
+
+use viendesu_core::types::user::PasswordHash;
+
+/// Passwords generation utility.
+#[auto_impl(&, &mut, Arc)]
+pub trait Passwords: Send + Sync {
+    fn verify(&self, hash: &str, cleartext: &str) -> bool;
+    fn make(&self, cleartext: &str) -> PasswordHash;
+}
+
+/// Plaintext passwords, no hashing.
+#[derive(Debug, Clone, Copy)]
+pub struct Plaintext;
+
+impl Passwords for Plaintext {
+    fn verify(&self, hash: &str, cleartext: &str) -> bool {
+        hash == cleartext
+    }
+
+    fn make(&self, cleartext: &str) -> PasswordHash {
+        cleartext.parse().unwrap()
+    }
+}

captcha/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "viendesu-captcha"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+eva.workspace = true
+viendesu-core.workspace = true

captcha/src/error.rs

@@ -0,0 +1,22 @@
+use eva::str::ToCompactString as _;
+
+use viendesu_core::{
+    errors::{Aux, Generic},
+    mk_error,
+};
+
+pub type CaptchaResult<T> = Result<T, CaptchaError>;
+
+mk_error!(CaptchaError);
+
+impl From<CaptchaError> for Aux {
+    fn from(value: CaptchaError) -> Self {
+        Self::Captcha(value.0.to_compact_string())
+    }
+}
+
+impl<S> From<CaptchaError> for Generic<S> {
+    fn from(value: CaptchaError) -> Self {
+        Self::Aux(value.into())
+    }
+}

captcha/src/lib.rs

@@ -0,0 +1,32 @@
+use eva::fut::Fut;
+
+use viendesu_core::{
+    bail,
+    types::captcha::Token,
+    world::{World, WorldMut},
+};
+
+use self::error::CaptchaResult;
+
+pub mod error;
+
+pub trait Service: Send + Sync {
+    fn verify<W: WorldMut>(
+        &self,
+        w: World<W>,
+        token: &Token,
+    ) -> impl Fut<Output = CaptchaResult<()>>;
+}
+
+impl Service for bool {
+    async fn verify<W: WorldMut>(&self, w: World<W>, token: &Token) -> CaptchaResult<()> {
+        _ = w;
+        _ = token;
+
+        if *self {
+            Ok(())
+        } else {
+            bail!("invalid captcha")
+        }
+    }
+}

email/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "viendesu-email"
+version = "0.1.0"
+edition = "2024"
+
+[features]
+default = ["smtp"]
+smtp = []
+
+[dependencies]
+viendesu-core.workspace = true
+eva.workspace = true

email/src/error.rs

@@ -0,0 +1,11 @@
+use viendesu_core::{errors::Aux, mk_error};
+
+pub type MailResult<O> = Result<O, MailError>;
+
+mk_error!(MailError);
+
+impl From<MailError> for Aux {
+    fn from(value: MailError) -> Self {
+        Self::Mail(eva::str::format_compact!("{}", value.0))
+    }
+}

email/src/lib.rs

@@ -0,0 +1,20 @@
+use eva::{data, fut::Fut};
+
+use std::borrow::Cow;
+
+pub mod mock;
+pub mod smtp;
+
+pub mod error;
+
+#[data]
+pub struct Letter<'a> {
+    pub subject: Cow<'a, str>,
+    pub contents: Cow<'a, str>,
+    pub content_type: Cow<'a, str>,
+}
+
+#[eva::auto_impl(&, &mut, Arc, Box)]
+pub trait Mailer: Send + Sync {
+    fn send(&self, dst: &str, letter: Letter<'_>) -> impl Fut<Output = error::MailResult<()>>;
+}

email/src/mock.rs

@@ -0,0 +1,43 @@
+use std::{
+    borrow::Cow,
+    sync::{Arc, Mutex},
+};
+
+use eva::{
+    collections::HashMap,
+    str::{CompactString, ToCompactString},
+};
+
+use crate::{Letter, Mailer, error::MailResult};
+
+pub type Mailbox = Vec<Letter<'static>>;
+pub type Letters = HashMap<CompactString, Mailbox>;
+
+#[derive(Debug, Clone, Default)]
+pub struct Mock(Arc<Mutex<Letters>>);
+
+impl Mock {
+    pub fn collect_letters(&self) -> Letters {
+        std::mem::take(&mut *self.0.lock().unwrap())
+    }
+}
+
+fn owned(c: Cow<'_, str>) -> Cow<'static, str> {
+    Cow::Owned((*c).to_owned())
+}
+
+impl Mailer for Mock {
+    async fn send(&self, dst: &str, letter: Letter<'_>) -> MailResult<()> {
+        let dst = dst.to_compact_string();
+        let mut this = self.0.lock().unwrap();
+        let mailbox = this.entry(dst).or_default();
+
+        mailbox.push(Letter {
+            subject: owned(letter.subject),
+            contents: owned(letter.contents),
+            content_type: owned(letter.content_type),
+        });
+
+        Ok(())
+    }
+}

email/src/smtp.rs

@@ -0,0 +1 @@
+pub struct Smtp;

http/Cargo.toml

@@ -4,13 +4,15 @@ version = "0.1.0"
 edition = "2024"
 
 [features]
-default = []
+default = ["client", "server"]
 client = ["dep:reqwest"]
 server = [
     "dep:axum",
     "dep:http-body-util",
     "dep:tower-http",
     "dep:serde_urlencoded",
+    "eva/tokio",
+    "tokio/net"
 ]
 
 [dependencies]
@@ -30,4 +32,6 @@ http-body-util = { version = "0.1.3", optional = true }
 tower-http = { optional = true, version = "0.6.6", default-features = false, features = ["limit"] }
 serde_urlencoded = { version = "0.7.1", optional = true }
 
+tokio = { workspace = true, optional = true }
+
 reqwest = { optional = true, version = "0.12.23", default-features = false }

http/src/server/mod.rs

@@ -1,10 +1,13 @@
-use eva::perfect_derive;
+use eva::{perfect_derive, supervisor::SlaveRx};
 
+use eyre::Context;
 use viendesu_core::{
     errors::AuxResult,
     service::{Service, SessionMaker, SessionOf},
 };
 
+use tokio::net;
+
 pub mod config;
 
 mod context;
@@ -18,6 +21,31 @@ pub trait Types: Send + Sync + 'static {
     type Service: Service + Clone;
 }
 
+pub async fn serve(
+    rx: SlaveRx,
+    config: config::Config,
+    router: axum::Router,
+) -> eyre::Result<()> {
+    // TODO: use it.
+    _ = rx;
+    let config::Config { unencrypted, ssl: _ } = config;
+    let unencrypted = unencrypted.expect("SSL-only currently is not supported");
+
+    if !unencrypted.enable {
+        return Ok(());
+    }
+
+    let listener = net::TcpListener::bind(unencrypted.listen)
+        .await
+        .wrap_err("failed to bind address")?;
+
+    axum::serve(listener, router)
+        .await
+        .wrap_err("failed to serve")?;
+
+    Ok(())
+}
+
 pub fn make_router<T: Types>(service: T::Service) -> axum::Router {
     let scope = handler::RouterScope::root(State::<T> { service });
     routes::make(scope).into_axum()

http/src/server/response/mod.rs

@@ -52,8 +52,8 @@ pub fn ok<O: IsResponse>(format: Format, ok: O) -> AxumResponse {
 pub fn respond<O: IsResponse>(format: Format, res: O) -> AxumResponse {
     let status_code = res.status_code();
     let headers = [
-        header!("Server" => "Kurisu-desu"),
-        header!("Content-Type" => format.mime_type()),
+        header!("server" => "Kurisu-desu"),
+        header!("content-type" => format.mime_type()),
     ];
 
     let mut body = Vec::with_capacity(128);

viendesu/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "viendesu"
+version = "0.1.0"
+edition = "2024"
+
+[features]
+default = []
+
+tokio = ["viendesu-core/tokio"]
+http-client = ["viendesu-http/client"]
+http-server = ["viendesu-http/server"]
+
+[dependencies]
+viendesu-core = { workspace = true }
+viendesu-http = { workspace = true }
+viendesu-auth = { workspace = true }
+viendesu-captcha = { workspace = true }

viendesu/src/lib.rs

@@ -0,0 +1,5 @@
+pub use viendesu_core::*;
+
+pub use viendesu_auth as auth;
+pub use viendesu_captcha as captcha;
+pub use viendesu_http as http;