Add basic server config

virtweb_backend/src/extractors/local_auth_extractor.rs

@@ -0,0 +1,33 @@
+use crate::app_config::AppConfig;
+use actix_web::dev::Payload;
+use actix_web::{Error, FromRequest, HttpRequest};
+use futures_util::future::{ready, Ready};
+use std::ops::Deref;
+
+#[derive(Debug, Copy, Clone, PartialEq)]
+pub struct LocalAuthEnabled(bool);
+
+impl Deref for LocalAuthEnabled {
+    type Target = bool;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl FromRequest for LocalAuthEnabled {
+    type Error = Error;
+    type Future = Ready<Result<Self, Error>>;
+
+    fn from_request(req: &HttpRequest, _payload: &mut Payload) -> Self::Future {
+        if AppConfig::get().disable_local_auth {
+            return ready(Ok(Self(false)));
+        }
+
+        let has_disable_local_auth_header = req
+            .headers()
+            .get(&AppConfig::get().disable_auth_header_token)
+            .is_some();
+        return ready(Ok(Self(!has_disable_local_auth_header)));
+    }
+}