move /admin/config handler to own module

1 files changed, 25 insertions, 0 deletions

diff --git a/src/api/config.rs b/src/api/config.rs
new file mode 100644
index 0000000..10a9f80
--- /dev/null
+++ b/src/api/config.rs
@@ -0,0 +1,25 @@
+//! `GET /admin/config`: the effective configuration, as `--print-config` prints it.
+
+use axum::{
+    Json,
+    extract::{Query, State},
+};
+use serde_json::Value as JsonValue;
+
+use crate::state::AppState;
+
+#[derive(Debug, Default, serde::Deserialize)]
+pub(crate) struct ConfigQuery {
+    /// Text with placeholders as it ends up, or as written.
+    #[serde(default)]
+    values: crate::config::Values,
+}
+
+/// `GET /admin/config`: the effective configuration with each value's source;
+/// imported values and secrets are left out.
+pub(crate) async fn get_config(
+    State(state): State<AppState>,
+    Query(query): Query<ConfigQuery>,
+) -> Json<JsonValue> {
+    Json(state.config.get(query.values).clone())
+}