Add CLI for most basic user management

crates/store/Cargo.toml

@@ -29,6 +29,7 @@ toml.workspace = true
 tokio.workspace = true
 rand.workspace = true
 uuid.workspace = true
+clap.workspace = true
 
 [dev-dependencies]
 rstest = { workspace = true }

crates/store/src/auth/mod.rs

@@ -6,7 +6,9 @@ use async_trait::async_trait;
 
 #[async_trait]
 pub trait AuthenticationProvider: 'static {
+    async fn get_principals(&self) -> Result<Vec<User>, crate::Error>;
     async fn get_principal(&self, id: &str) -> Result<Option<User>, crate::Error>;
+    async fn remove_principal(&self, id: &str) -> Result<(), crate::Error>;
     async fn insert_principal(&self, user: User) -> Result<(), crate::Error>;
     async fn validate_password(&self, user_id: &str, password: &str)
     -> Result<Option<User>, Error>;

crates/store/src/auth/toml_user_store.rs

@@ -61,6 +61,10 @@ impl TomlPrincipalStore {
 
 #[async_trait]
 impl AuthenticationProvider for TomlPrincipalStore {
+    async fn get_principals(&self) -> Result<Vec<User>, crate::Error> {
+        Ok(self.principals.read().await.values().cloned().collect())
+    }
+
     async fn get_principal(&self, id: &str) -> Result<Option<User>, crate::Error> {
         Ok(self.principals.read().await.get(id).cloned())
     }
@@ -75,6 +79,13 @@ impl AuthenticationProvider for TomlPrincipalStore {
         Ok(())
     }
 
+    async fn remove_principal(&self, id: &str) -> Result<(), crate::Error> {
+        let mut principals = self.principals.write().await;
+        principals.remove(id);
+        self.save(principals.deref())?;
+        Ok(())
+    }
+
     async fn validate_password(
         &self,
         user_id: &str,

crates/store/src/auth/user.rs

@@ -12,7 +12,7 @@ use std::future::{Ready, ready};
 use crate::Secret;
 
 /// https://datatracker.ietf.org/doc/html/rfc5545#section-3.2.3
-#[derive(Debug, Clone, Deserialize, Serialize, Default, PartialEq)]
+#[derive(Debug, Clone, Deserialize, Serialize, Default, PartialEq, Display, clap::ValueEnum)]
 #[serde(rename_all = "lowercase")]
 pub enum PrincipalType {
     #[default]