Made verify_master_pass compute the hash in a blocking thread

src/entity/master_pass.rs

@@ -3,6 +3,7 @@
 use rand::{rngs::OsRng, RngCore};
 use scrypt::{scrypt, Params};
 use sea_orm::{entity::prelude::*, ActiveValue::Set, QuerySelect};
+use tokio::task::spawn_blocking;
 
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "master_pass")]
@@ -43,7 +44,7 @@ impl ActiveModel {
 impl Entity {
     pub async fn verify_master_pass(
         user_id: u64,
-        master_pass: &str,
+        master_pass: String,
         db: &DatabaseConnection,
     ) -> crate::Result<Option<bool>> {
         let model = match Self::find_by_id(user_id).one(db).await {
@@ -51,8 +52,10 @@ impl Entity {
             Ok(None) => return Ok(None),
             Err(err) => return Err(err.into()),
         };
-        let password_hash = hash_password(master_pass.as_ref(), &model.salt)?;
-        Ok(Some(password_hash == model.password_hash))
+        let (hash, salt) = (model.password_hash, model.salt);
+        let password_hash =
+            spawn_blocking(move || hash_password(master_pass.as_bytes(), &salt)).await??;
+        Ok(Some(password_hash == hash))
     }
 
     /// Checks if the master password for the user exists