fix(openid): name claim is required in id_token

lib/http_server/src/token_claims.rs

@@ -1,3 +1,6 @@
+use std::ascii::AsciiExt;
+
+use axum::body::HttpBody;
 use fully_pub::fully_pub;
 use jsonwebtoken::get_current_timestamp;
 use kernel::models::{authorization::AuthorizationScope, config::Config, user::User};
@@ -74,8 +77,8 @@ struct OIDCIdTokenClaims {
     aud: String,
     /// End-user id assigned by the issuer (user_id)
     sub: String,
-    /// additional claims
-    name: Option<String>,
+    /// Displayable name
+    name: String,
     email: Option<String>,
     /// handle of user
     preferred_username: Option<String>,
@@ -101,7 +104,7 @@ impl OIDCIdTokenClaims {
             iat: get_current_timestamp(),
             exp: get_current_timestamp() + 86_000,
             email: user.email,
-            name: user.full_name,
+            name: user.full_name.unwrap_or(user.handle.clone()),
             picture: user.avatar_asset_id.map(|asset_id| format!("{}/api/user-assets/{}", &config.instance.base_uri, asset_id)),
             preferred_username: Some(user.handle),
             roles: user.roles.0,