feat: DB operations can fail

src/db/common.rs

@@ -2,6 +2,7 @@ use tokio::sync::RwLock;
 
 use std::sync::Arc;
 
+use crate::db::error::BoxedError;
 use crate::db::{DatabaseInterface, UserRef};
 
 #[derive(Clone, Debug)]
@@ -26,13 +27,13 @@ impl<D: DatabaseInterface> Database<D> {
     /// TODO: we may want to make sure the method runs in constant time
     ///       to avoid leaking information about existing users...
     ///       or maybe we do not care.
-    pub async fn check_password(&self, user: &UserRef, password: &str) -> bool {
-        let Some(user) = self.get_user(user).await else {
+    pub async fn check_password(&self, user: &UserRef, password: &str) -> Result<bool, BoxedError> {
+        let Some(user) = self.get_user(user).await? else {
             tracing::debug!("check_password: User not found {user}");
-            return false;
+            return Ok(false);
         };
 
         tracing::debug!("Comparing {} and {}", user.password, password);
-        user.password == password
+        Ok(user.password == password)
     }
 }