trustpub: Add OidcKeyStore trait

rust-lang · Turbo87 · Jun 2, 2025 · May 8, 2025 · May 7, 2025 · May 7, 2025
commit ecf54556eb8427a92c31105dc7c40d17d9601aaa
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/crates/crates_io_trustpub/Cargo.toml b/crates/crates_io_trustpub/Cargo.toml
@@ -8,6 +8,8 @@ edition = "2024"
 workspace = true
 
 [dependencies]
+anyhow = "=1.0.98"
+async-trait = "=0.1.88"
 jsonwebtoken = "=9.3.1"
 reqwest = { version = "=0.12.15", features = ["gzip", "json"] }
 regex = "=1.11.1"

diff --git a/crates/crates_io_trustpub/src/keystore/mod.rs b/crates/crates_io_trustpub/src/keystore/mod.rs
@@ -1 +1,14 @@
 mod load_jwks;
+
+use async_trait::async_trait;
+use jsonwebtoken::DecodingKey;
+
+/// A trait for fetching OIDC keys from a key store.
+#[async_trait]
+pub trait OidcKeyStore: Send + Sync {
+    /// Fetches a [`DecodingKey`] from the key store using the provided `key_id`.
+    ///
+    /// If the key is not found on the server, it will return `None`. If there
+    /// is an error while fetching the key, it will return an error.
+    async fn get_oidc_key(&self, key_id: &str) -> anyhow::Result<Option<DecodingKey>>;
+}