Add redis

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

Cargo.lock

@@ -1139,7 +1139,9 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_yaml",
+ "time",
  "tokio",
+ "uuid",
 ]
 
 [[package]]
@@ -3084,6 +3086,17 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "uuid"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3cf4199d1e5d15ddd86a694e4d0dffa9c323ce759fea589f00fef9d81cc1931d"
+dependencies = [
+ "js-sys",
+ "serde",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "value-bag"
 version = "1.11.1"

Cargo.toml

@@ -30,4 +30,6 @@ redis-macros = "0.5.4"
 serde = "1.0.219"
 serde_json = "1.0.140"
 serde_yaml = "0.9.34"
+time = { version = "0.3.41", features = ["serde"] }
 tokio = { version = "1.45.1", features = ["rt-multi-thread", "process"] }
+uuid = { version = "1.17.0", features = ["serde"] }

src/config.rs

@@ -1,6 +1,7 @@
 use clap::Parser;
 use serde::Deserialize;
 use std::{
+    error::Error,
     fs,
     net::{IpAddr, Ipv4Addr},
     path::PathBuf,
@@ -56,8 +57,10 @@ pub struct Config {
     pub redis: RedisConfig,
 }
 
-impl Config {
-    pub fn from_yaml(path: &PathBuf) -> Result<Self, Box<dyn std::error::Error>> {
+impl TryFrom<&PathBuf> for Config {
+    type Error = Box<dyn Error + Send + Sync>;
+
+    fn try_from(path: &PathBuf) -> Result<Self, Self::Error> {
         let contents = fs::read_to_string(path)?;
         let config = serde_yaml::from_str(&contents)?;
         Ok(config)

src/main.rs

@@ -22,8 +22,8 @@ async fn main() {
     let args = Args::parse();
     log4rs::init_file(args.log_config, Deserializers::default()).unwrap();
 
-    let config = Config::from_yaml(&args.config).unwrap();
-    let state = State::from_config(config.clone()).await.unwrap();
+    let config = Config::try_from(&args.config).unwrap();
+    let state = State::from_config(config.clone()).await;
 
     let routes = routes::routes(state);
     let app = axum::Router::new().nest(&format!("{}/api", config.server.subpath), routes);

src/models/invites.rs

@@ -0,0 +1,15 @@
+use redis_macros::{FromRedisValue, ToRedisArgs};
+use serde::{Deserialize, Serialize};
+use time::UtcDateTime;
+use uuid::Uuid;
+
+#[derive(Serialize, Deserialize, FromRedisValue, ToRedisArgs)]
+struct Invite {
+    id: Uuid,
+    groups: Vec<String>,
+    emails: Vec<String>,
+    uses: i64,
+    max_uses: Option<i64>,
+    created_at: UtcDateTime,
+    expires_at: Option<UtcDateTime>,
+}

src/models/mod.rs

@@ -1,3 +1,4 @@
 pub mod authelia;
 pub mod groups;
+pub mod invites;
 pub mod users;

src/state.rs

@@ -1,5 +1,3 @@
-use std::error::Error;
-
 use async_redis_session::RedisSessionStore;
 use axum::extract::FromRef;
 use openidconnect::{
@@ -12,7 +10,8 @@ use openidconnect::{
     },
     reqwest,
 };
-use redis::aio::MultiplexedConnection;
+use redis::{self, AsyncCommands};
+use tokio::spawn;
 
 use crate::config::Config;
 
@@ -48,23 +47,23 @@ pub struct State {
     pub config: Config,
     pub oauth_http_client: reqwest::Client,
     pub oauth_client: OAuthClient,
-    pub redis_client: MultiplexedConnection,
+    pub redis_client: redis::aio::MultiplexedConnection,
     pub session_store: RedisSessionStore,
 }
 
 impl State {
-    pub async fn from_config(config: Config) -> Result<Self, Box<dyn Error + Send + Sync>> {
-        let (oauth_http_client, oauth_client) = oauth_client(&config).await?;
-        let redis_client = redis_client(&config).await?;
-        let session_store = session_store(&config)?;
+    pub async fn from_config(config: Config) -> Self {
+        let (oauth_http_client, oauth_client) = oauth_client(&config).await;
+        let redis_client = redis_client(&config).await;
+        let session_store = session_store(&config);
 
-        Ok(Self {
+        Self {
             config,
             oauth_http_client,
             oauth_client,
             redis_client,
             session_store,
-        })
+        }
     }
 }
 
@@ -86,7 +85,7 @@ impl FromRef<State> for OAuthClient {
     }
 }
 
-impl FromRef<State> for MultiplexedConnection {
+impl FromRef<State> for redis::aio::MultiplexedConnection {
     fn from_ref(state: &State) -> Self {
         state.redis_client.clone()
     }
@@ -98,53 +97,88 @@ impl FromRef<State> for RedisSessionStore {
     }
 }
 
-async fn oauth_client(
-    config: &Config,
-) -> Result<(reqwest::Client, OAuthClient), Box<dyn Error + Send + Sync>> {
+async fn oauth_client(config: &Config) -> (reqwest::Client, OAuthClient) {
     let oauth_http_client = reqwest::ClientBuilder::new()
         .redirect(reqwest::redirect::Policy::none())
         .danger_accept_invalid_certs(config.oauth.insecure)
-        .build()?;
+        .build()
+        .unwrap();
 
     let provider_metadata = CoreProviderMetadata::discover_async(
-        IssuerUrl::new(config.oauth.issuer_url.clone())?,
+        IssuerUrl::new(config.oauth.issuer_url.clone()).unwrap(),
         &oauth_http_client,
     )
-    .await?;
+    .await
+    .unwrap();
 
     let oauth_client = OAuthClient::from_provider_metadata(
         provider_metadata,
         ClientId::new(config.oauth.client_id.clone()),
         Some(ClientSecret::new(config.oauth.client_secret.clone())),
     )
-    .set_redirect_uri(RedirectUrl::new(format!(
-        "{}{}/api/auth/callback",
-        config.server.host, config.server.subpath
-    ))?);
+    .set_redirect_uri(
+        RedirectUrl::new(format!(
+            "{}{}/api/auth/callback",
+            config.server.host, config.server.subpath
+        ))
+        .unwrap(),
+    );
 
-    Ok((oauth_http_client, oauth_client))
+    (oauth_http_client, oauth_client)
 }
 
-async fn redis_client(
-    config: &Config,
-) -> Result<MultiplexedConnection, Box<dyn Error + Send + Sync>> {
+async fn redis_client(config: &Config) -> redis::aio::MultiplexedConnection {
     let url = format!(
         "redis://{}:{}/{}",
         config.redis.host, config.redis.port, config.redis.database
     );
 
-    let client = redis::Client::open(url)?;
-    let connection = client.get_multiplexed_async_connection().await?;
+    let client = redis::Client::open(url).unwrap();
+    let mut connection = client.get_multiplexed_async_connection().await.unwrap();
 
-    Ok(connection)
+    let _: () = redis::cmd("CONFIG")
+        .arg("SET")
+        .arg("notify-keyspace-events")
+        .arg("Ex")
+        .query_async(&mut connection)
+        .await
+        .unwrap();
+
+    let database = config.redis.database.to_string();
+    spawn(async move {
+        let (tx, mut rx) = tokio::sync::mpsc::unbounded_channel();
+        let rconfig = redis::AsyncConnectionConfig::new().set_push_sender(tx);
+        let mut connection = client
+            .get_multiplexed_async_connection_with_config(&rconfig)
+            .await
+            .unwrap();
+
+        let channel = format!("__keyevent@{}__:expired", database);
+        connection.subscribe(&[channel]).await.unwrap();
+
+        while let Some(msg) = rx.recv().await {
+            if let Some(msg) = redis::Msg::from_push_info(msg) {
+                if let Ok(key) = msg.get_payload::<String>() {
+                    if !key.starts_with("invite:") {
+                        continue;
+                    }
+
+                    let id = key.trim_start_matches("invite:").to_string();
+                    let _: i64 = connection.srem("invite:all", id).await.unwrap();
+                }
+            }
+        }
+    });
+
+    connection
 }
 
-fn session_store(config: &Config) -> Result<RedisSessionStore, Box<dyn Error + Send + Sync>> {
+fn session_store(config: &Config) -> RedisSessionStore {
     let url = format!(
         "redis://{}:{}/{}",
         config.redis.host, config.redis.port, config.redis.database
     );
-    let session_store = RedisSessionStore::new(url)?.with_prefix("session:");
+    let session_store = RedisSessionStore::new(url).unwrap().with_prefix("session:");
 
-    Ok(session_store)
+    session_store
 }