DAV Push: Configurable list of allowed push targets

src/commands/mod.rs

@@ -7,7 +7,8 @@ use rustical_frontend::FrontendConfig;
 use rustical_store::auth::{static_user_store::UserEntry, StaticUserStoreConfig, User};
 
 use crate::config::{
-    AuthConfig, Config, DataStoreConfig, HttpConfig, SqliteDataStoreConfig, TracingConfig,
+    AuthConfig, Config, DataStoreConfig, DavPushConfig, HttpConfig, SqliteDataStoreConfig,
+    TracingConfig,
 };
 
 #[derive(Debug, Parser)]
@@ -46,6 +47,7 @@ pub fn cmd_gen_config(_args: GenConfigArgs) -> anyhow::Result<()> {
         frontend: FrontendConfig {
             secret_key: generate_frontend_secret(),
         },
+        dav_push: DavPushConfig::default(),
     };
     let generated_config = toml::to_string(&config)?;
     println!("{generated_config}");

src/config.rs

@@ -44,6 +44,25 @@ pub struct TracingConfig {
     pub opentelemetry: bool,
 }
 
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(deny_unknown_fields, default)]
+pub struct DavPushConfig {
+    pub enable: bool,
+    #[serde(default)]
+    // Allowed Push servers, accepts any by default
+    // Specify as URL origins
+    pub allowed_push_servers: Option<Vec<String>>,
+}
+
+impl Default for DavPushConfig {
+    fn default() -> Self {
+        Self {
+            enable: true,
+            allowed_push_servers: None,
+        }
+    }
+}
+
 #[derive(Debug, Deserialize, Serialize)]
 #[serde(deny_unknown_fields)]
 pub struct Config {
@@ -54,4 +73,6 @@ pub struct Config {
     pub frontend: FrontendConfig,
     #[serde(default)]
     pub tracing: TracingConfig,
+    #[serde(default)]
+    pub dav_push: DavPushConfig,
 }

src/main.rs

@@ -82,7 +82,13 @@ async fn main() -> Result<()> {
             let (addr_store, cal_store, subscription_store, update_recv) =
                 get_data_stores(!args.no_migrations, &config.data_store).await?;
 
-            tokio::spawn(push_notifier(update_recv, subscription_store.clone()));
+            if config.dav_push.enable {
+                tokio::spawn(push_notifier(
+                    config.dav_push.allowed_push_servers,
+                    update_recv,
+                    subscription_store.clone(),
+                ));
+            }
 
             let user_store = Arc::new(match config.auth {
                 config::AuthConfig::Static(config) => StaticUserStore::new(config),