Can generate admin key enrollment challenge

src/helpers/admin_access_token_helper.rs

@@ -13,7 +13,7 @@ use crate::utils::date_utils::time;
 
 static mut CACHE: Option<Arc<Mutex<HashMap<AdminID, AdminAccessToken>>>> = None;
 
-/// Initialize this helper
+/// Initialize this helper's cache
 pub fn init() {
     unsafe {
         let map = HashMap::new();

src/helpers/admin_key_registration_challenges_helper.rs

@@ -0,0 +1,34 @@
+//! # Administrators key registration challenges helper
+//!
+//! Allows to temporarily stores keys registration challenges
+//!
+//! @author Pierre Hubert
+
+use std::collections::HashMap;
+use std::sync::{Arc, Mutex};
+
+use webauthn_rs::RegistrationState;
+
+use crate::data::admin::AdminID;
+use crate::data::error::Res;
+
+static mut CACHE: Option<Arc<Mutex<HashMap<AdminID, RegistrationState>>>> = None;
+
+/// Initialize this helper's cache
+pub fn init() {
+    unsafe {
+        let map = HashMap::new();
+        CACHE = Some(Arc::new(Mutex::new(map)));
+    }
+}
+
+/// Store a new entry in the cache
+pub fn set(admin: AdminID, key: RegistrationState) -> Res {
+    let cache = unsafe {
+        CACHE.as_ref().unwrap().lock()
+    };
+
+    cache?.insert(admin, key);
+
+    Ok(())
+}

src/helpers/mod.rs

@@ -23,4 +23,5 @@ pub mod independent_push_notifications_service_helper;
 pub mod firebase_notifications_helper;
 pub mod forez_presence_helper;
 pub mod admin_account_helper;
-pub mod admin_access_token_helper;
+pub mod admin_access_token_helper;
+pub mod admin_key_registration_challenges_helper;