Can authenticate using security key

src/data/base_request_handler.rs

@@ -177,6 +177,17 @@ pub trait BaseRequestHandler {
         }
     }
 
+    /// Unwrap an option, returning an error if none is returned
+    fn some_or_bad_request<E>(&mut self, opt: Option<E>, msg: &str) -> Res<E> {
+        match opt {
+            None => {
+                self.bad_request(msg.to_string())?;
+                unreachable!()
+            }
+            Some(e) => Ok(e)
+        }
+    }
+
 
     /// Get a user ID, if available
     fn user_id_opt(&self) -> Option<UserID> {
@@ -558,6 +569,13 @@ pub trait BaseRequestHandler {
         Ok(serde_json::from_str(&str)?)
     }
 
+    /// Get the response to a key authentication included in the request
+    fn post_auth_public_key_credential(&mut self, name: &str) -> Res<webauthn_rs::proto::PublicKeyCredential> {
+        let str = self.post_string(name)?;
+
+        Ok(serde_json::from_str(&str)?)
+    }
+
     /// Get the ID of a user included in a POST request
     fn post_user_id(&mut self, name: &str) -> ResultBoxError<UserID> {
         let user_id = UserID::new(self.post_u64(name)?);