diff --git a/crates/dav/src/lib.rs b/crates/dav/src/lib.rs
index db72c93..777c904 100644
--- a/crates/dav/src/lib.rs
+++ b/crates/dav/src/lib.rs
@@ -25,8 +25,10 @@ pub fn configure_well_known(cfg: &mut web::ServiceConfig, caldav_root: String) {
 }
 
 pub fn configure_dav<C: CalendarStore>(
+pub fn configure_dav<A: CheckAuthentication, C: CalendarStore>(
     cfg: &mut web::ServiceConfig,
     prefix: String,
+    auth: Arc<A>,
     store: Arc<RwLock<C>>,
 ) {
     let propfind_method = || Method::from_str("PROPFIND").unwrap();
diff --git a/src/config.rs b/src/config.rs
index 0618642..4be5f85 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,3 +1,4 @@
+use rustical_auth::{AuthProvider, HtpasswdAuthConfig};
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -11,7 +12,26 @@ pub enum CalendarStoreConfig {
     Toml(TomlCalendarStoreConfig),
 }
 
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(tag = "backend", rename_all = "snake_case")]
+pub enum AuthConfig {
+    Htpasswd(HtpasswdAuthConfig),
+    None,
+}
+
+impl From<AuthConfig> for AuthProvider {
+    fn from(value: AuthConfig) -> Self {
+        match value {
+            AuthConfig::Htpasswd(config) => {
+                Self::Htpasswd(rustical_auth::htpasswd::HtpasswdAuth { config })
+            }
+            AuthConfig::None => Self::None(rustical_auth::none::NoneAuth),
+        }
+    }
+}
+
 #[derive(Debug, Deserialize, Serialize)]
 pub struct Config {
     pub calendar_store: CalendarStoreConfig,
+    pub auth: AuthConfig,
 }
diff --git a/src/main.rs b/src/main.rs
index c6d0935..1c3f9aa 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,3 @@
-use std::fs;
-use std::sync::Arc;
-
 use crate::config::Config;
 use actix_web::middleware::{Logger, NormalizePath};
 use actix_web::{web, App, HttpServer};
@@ -8,9 +5,12 @@ use anyhow::Result;
 use clap::Parser;
 use config::{CalendarStoreConfig, TomlCalendarStoreConfig};
 use rustical_api::configure_api;
+use rustical_auth::AuthProvider;
 use rustical_dav::{configure_dav, configure_well_known};
 use rustical_frontend::configure_frontend;
 use rustical_store::calendar::TomlCalendarStore;
+use std::fs;
+use std::sync::Arc;
 use tokio::sync::RwLock;
 
 mod config;
@@ -38,20 +38,16 @@ async fn main() -> Result<()> {
         }
     }));
 
-    let auth = match config.auth {
-        config::AuthConfig::Htpasswd(config) => 1,
-        _ => panic!("invalid auth config"),
-    };
+    let auth: Arc<AuthProvider> = Arc::new(config.auth.into());
 
     HttpServer::new(move || {
         let cal_store = cal_store.clone();
         App::new()
             .wrap(Logger::new("[%s] %r"))
             .wrap(NormalizePath::trim())
-            .service(
-                web::scope("/caldav")
-                    .configure(|cfg| configure_dav(cfg, "/caldav".to_string(), cal_store.clone())),
-            )
+            .service(web::scope("/caldav").configure(|cfg| {
+                configure_dav(cfg, "/caldav".to_string(), auth.clone(), cal_store.clone())
+            }))
             .service(
                 web::scope("/.well-known")
                     .configure(|cfg| configure_well_known(cfg, "/caldav".to_string())),