Add auth module

crates/auth/src/lib.rs

@@ -0,0 +1,46 @@
+use actix_web::{HttpRequest, ResponseError};
+use futures_util::{future::Ready, Future};
+
+pub use extractor::AuthInfoExtractor;
+pub use htpasswd::{HtpasswdAuth, HtpasswdAuthConfig};
+pub use none::NoneAuth;
+pub mod error;
+pub mod extractor;
+pub mod htpasswd;
+pub mod none;
+
+pub struct AuthInfo {
+    pub user_id: String,
+}
+
+pub trait CheckAuthentication: Send + Sync + 'static {
+    type Error: ResponseError;
+    type Future: Future<Output = Result<AuthInfo, Self::Error>>
+    where
+        Self: Sized;
+
+    fn validate(&self, req: &HttpRequest) -> Self::Future
+    where
+        Self: Sized;
+}
+
+#[derive(Debug)]
+pub enum AuthProvider {
+    Htpasswd(HtpasswdAuth),
+    None(NoneAuth),
+}
+
+impl CheckAuthentication for AuthProvider {
+    type Error = crate::error::Error;
+    type Future = Ready<Result<AuthInfo, Self::Error>>;
+
+    fn validate(&self, req: &HttpRequest) -> Self::Future
+    where
+        Self: Sized,
+    {
+        match self {
+            Self::Htpasswd(auth) => auth.validate(req),
+            Self::None(auth) => auth.validate(req),
+        }
+    }
+}