124 lines
3.2 KiB
Rust
124 lines
3.2 KiB
Rust
use std::{net::SocketAddr, path::PathBuf, sync::Arc};
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use axum::Router;
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use base64::{engine::general_purpose, Engine};
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use config::{Config, ConfigError};
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use jwt_simple::prelude::HS256Key;
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use serde::{Deserialize, Deserializer, Serialize, Serializer};
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use tower_http::services::ServeDir;
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mod routes;
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#[derive(Clone)]
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pub(crate) struct Base64(pub(crate) HS256Key);
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impl std::fmt::Debug for Base64 {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(
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f,
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r#"b64"{}""#,
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&general_purpose::STANDARD_NO_PAD.encode(self.0.to_bytes())
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)
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}
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}
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impl Serialize for Base64 {
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fn serialize<S>(&self, ser: S) -> Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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ser.serialize_str(&general_purpose::STANDARD_NO_PAD.encode(self.0.to_bytes()))
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}
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}
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impl<'de> Deserialize<'de> for Base64 {
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fn deserialize<D>(de: D) -> Result<Self, D::Error>
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where
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D: Deserializer<'de>,
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{
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use serde::de::Visitor;
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struct DecodingVisitor;
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impl<'de> Visitor<'de> for DecodingVisitor {
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type Value = Base64;
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fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
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formatter.write_str("must be a base 64 string")
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}
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fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
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where
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E: serde::de::Error,
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{
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general_purpose::STANDARD_NO_PAD
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.decode(v)
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.map_err(E::custom)
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.map(|b| HS256Key::from_bytes(&b))
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.map(Base64)
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}
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}
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de.deserialize_str(DecodingVisitor)
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}
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}
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#[derive(Deserialize, Debug)]
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struct Settings {
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jwt_secret: Base64,
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host: String,
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port: u16,
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api_allowed: Option<String>,
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serve_app: Option<PathBuf>,
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}
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impl Settings {
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pub fn new() -> Result<Self, ConfigError> {
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let cfg = Config::builder()
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.add_source(config::Environment::with_prefix("REGALADE"))
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.set_default("host", "127.0.0.1")?
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.set_default("port", "8085")?
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.set_default("api_allowed", None::<String>)?
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.set_default("serve_app", None::<String>)?
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.build()?;
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cfg.try_deserialize()
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}
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}
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struct AppState {
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jwt_secret: Base64,
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}
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#[tokio::main]
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async fn main() -> anyhow::Result<()> {
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tracing_subscriber::fmt()
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.with_max_level(tracing::Level::DEBUG)
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.with_test_writer()
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.init();
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let config = Settings::new()?;
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tracing::info!("Settings: {config:?}");
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let addr: SocketAddr = format!("{}:{}", config.host, config.port).parse()?;
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let state = Arc::new(AppState {
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jwt_secret: config.jwt_secret,
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});
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let router = Router::new()
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.nest(
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"/api",
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routes::router(config.api_allowed.map(|s| s.parse()).transpose()?),
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)
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.with_state(state);
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let router = match config.serve_app {
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None => router,
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Some(path) => router.fallback_service(ServeDir::new(path)),
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};
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Ok(axum::Server::bind(&addr)
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.serve(router.into_make_service())
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.await?)
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}
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