1 files changed, 40 insertions, 0 deletions
diff --git a/src/metadata/error.rs b/src/metadata/error.rs
new file mode 100644
index 0000000..66173f9
--- /dev/null
+++ b/src/metadata/error.rs
@@ -0,0 +1,40 @@
+// Copyright © 2022 Kim Altintop <kim@eagain.io>
+// SPDX-License-Identifier: GPL-2.0-only WITH openvpn-openssl-exception
+
+use std::io;
+
+use thiserror::Error;
+
+use super::KeyId;
+use crate::json::canonical::error::Canonicalise;
+
+#[derive(Debug, Error)]
+pub enum SigId {
+    #[error("payload not at root revision")]
+    NotRoot,
+
+    #[error("invalid payload: canonicalisation failed")]
+    Canonical(#[from] Canonicalise),
+}
+
+#[derive(Debug, Error)]
+#[non_exhaustive]
+pub enum Verification {
+    #[error("incompatible spec version")]
+    IncompatibleSpecVersion,
+
+    #[error("canonicalisation failed")]
+    Canonicalise(#[from] Canonicalise),
+
+    #[error("required signature threshold not met")]
+    SignatureThreshold,
+
+    #[error("metadata past its expiry date")]
+    Expired,
+
+    #[error("duplicate key: key {0} appears in more than one identity")]
+    DuplicateKey(KeyId),
+
+    #[error(transparent)]
+    Io(#[from] io::Error),
+}