Move oidc to dedicated crate

crates/oidc/src/error.rs

@@ -0,0 +1,39 @@
+use actix_session::SessionInsertError;
+use actix_web::{
+    HttpResponse, ResponseError, body::BoxBody, error::UrlGenerationError, http::StatusCode,
+};
+use openidconnect::{ClaimsVerificationError, ConfigurationError, url::ParseError};
+
+#[derive(Debug, thiserror::Error)]
+pub enum OidcError {
+    #[error("Cannot generate redirect url, something's not configured correctly")]
+    OidcParseError(#[from] ParseError),
+
+    #[error("Cannot generate redirect url, something's not configured correctly")]
+    ActixUrlGenerationError(#[from] UrlGenerationError),
+
+    #[error(transparent)]
+    OidcConfigurationError(#[from] ConfigurationError),
+
+    #[error(transparent)]
+    OidcClaimsVerificationError(#[from] ClaimsVerificationError),
+
+    #[error(transparent)]
+    SessionInsertError(#[from] SessionInsertError),
+
+    #[error(transparent)]
+    StoreError(#[from] rustical_store::Error),
+
+    #[error("{0}")]
+    Other(&'static str),
+}
+
+impl ResponseError for OidcError {
+    fn status_code(&self) -> StatusCode {
+        StatusCode::INTERNAL_SERVER_ERROR
+    }
+
+    fn error_response(&self) -> HttpResponse<BoxBody> {
+        HttpResponse::build(self.status_code()).body(self.to_string())
+    }
+}