Differential D7087 Diff 23803 shared/comm-opaque2/src/error.rs

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				use opaque_ke::errors::ProtocolError;
				use std::ops::Deref;
				use wasm_bindgen::{JsError, JsValue};

				/// Due to orphan instances, we can not directly bridge
				/// opaque_ke::errors::ProtocolError to wasm_bindgen::JsValue. Instead we
				/// must define our own type, and add the impl's ourselves
				#[derive(Debug)]
				pub struct OpaqueError(ProtocolError);

				impl Into<JsValue> for OpaqueError {
				fn into(self) -> JsValue {
				JsValue::from(protocol_error_to_js_error(self.0))
				}
				}

				impl From<ProtocolError> for OpaqueError {
				fn from(error: ProtocolError) -> OpaqueError {
				OpaqueError(error)
				}
				}

				impl Deref for OpaqueError {
				type Target = ProtocolError;

				fn deref(&self) -> &Self::Target {
				&self.0
				}
				}

				fn protocol_error_to_js_error(error: ProtocolError) -> JsError {
				match error {
				ProtocolError::IdentityGroupElementError => JsError::new("server error"),
				ProtocolError::InvalidLoginError => JsError::new("login failed"),
				ProtocolError::LibraryError(_) => JsError::new("internal error"),
				ProtocolError::ReflectedValueError => {
				JsError::new("invalid server response")
				}
				ProtocolError::SerializationError => JsError::new("invalid argument"),
				}
				}