Add communication with user actor

src/data/entity_manager.rs

@@ -1,4 +1,5 @@
 use std::path::{Path, PathBuf};
+use std::slice::Iter;
 
 use crate::utils::err::Res;
 
@@ -44,4 +45,9 @@ impl<E> EntityManager<E> where E: serde::Serialize + serde::de::DeserializeOwned
         self.list.push(el);
         self.save()
     }
+
+    /// Iterate over the entries of this entity manager
+    pub fn iter(&self) -> Iter<'_, E> {
+        self.list.iter()
+    }
 }

src/data/user.rs

@@ -1,3 +1,4 @@
+use crate::data::entity_manager::EntityManager;
 use crate::data::service::ServiceID;
 use crate::utils::err::Res;
 
@@ -38,11 +39,32 @@ impl Default for User {
             need_reset_password: false,
             enabled: true,
             admin: false,
-            authorized_services: None
+            authorized_services: None,
         }
     }
 }
 
 pub fn hash_password<P: AsRef<[u8]>>(pwd: P) -> Res<String> {
     Ok(bcrypt::hash(pwd, bcrypt::DEFAULT_COST)?)
+}
+
+pub fn verify_password<P: AsRef<[u8]>>(pwd: P, hash: &str) -> bool {
+    match bcrypt::verify(pwd, hash) {
+        Ok(r) => r,
+        Err(e) => {
+            log::warn!("Failed to verify password! {:?}", e);
+            false
+        }
+    }
+}
+
+impl EntityManager<User> {
+    pub fn find_by_username_or_email(&self, u: &str) -> Option<User> {
+        for entry in self.iter() {
+            if entry.username.eq(u) || entry.email.eq(u) {
+                return Some(entry.clone());
+            }
+        }
+        None
+    }
 }