Archipelago — open-source initial import

core/archipelago/src/api/rpc/federation/mod.rs

@@ -0,0 +1,16 @@
+mod handlers;
+
+use anyhow::Result;
+
+pub(super) fn validate_did(did: &str) -> Result<()> {
+    if did.is_empty() || did.len() > 256 {
+        anyhow::bail!("Invalid DID: must be 1-256 characters");
+    }
+    if !did.starts_with("did:") {
+        anyhow::bail!("Invalid DID: must start with 'did:'");
+    }
+    if did.contains("..") || did.contains('/') || did.contains('\\') || did.contains('\0') {
+        anyhow::bail!("Invalid DID: contains forbidden characters");
+    }
+    Ok(())
+}