Add error message when using GET for /graphql

tpoliaw · tpoliaw · commit 6f955cfbebc4 · 2025-11-21T14:49:17.000Z
Graphql expects a POST request so warn when client uses GET.
diff --git a/src/main.rs b/src/main.rs
@@ -2,7 +2,7 @@ use std::error;
 
 use async_graphql::{EmptyMutation, EmptySubscription, Schema};
 use axum::http::StatusCode;
-use axum::response::Html;
+use axum::response::{Html, IntoResponse};
 use axum::routing::{get, post};
 use axum::{Extension, Router};
 
@@ -56,7 +56,7 @@ async fn serve(config: GlazedConfig) -> Result<(), Box<dyn error::Error>> {
     .finish();
 
     let app = Router::new()
-        .route("/graphql", post(graphql_handler))
+        .route("/graphql", post(graphql_handler).get(graphql_get_warning))
         .route("/graphiql", get(graphiql_handler))
         .fallback((
             StatusCode::NOT_FOUND,
@@ -72,6 +72,14 @@ async fn serve(config: GlazedConfig) -> Result<(), Box<dyn error::Error>> {
         .await?)
 }
 
+async fn graphql_get_warning() -> impl IntoResponse {
+    (
+        StatusCode::METHOD_NOT_ALLOWED,
+        [("Allow", "POST")],
+        Html(include_str!("../static/get_graphql_warning.html")),
+    )
+}
+
 async fn signal_handler() {
     let mut term = signal(SignalKind::terminate()).expect("Failed to create SIGTERM listener");
     let mut int = signal(SignalKind::interrupt()).expect("Failed to create SIGINT listener");
diff --git a/static/get_graphql_warning.html b/static/get_graphql_warning.html
@@ -0,0 +1,9 @@
+<!doctype html>
+<html>
+    <head>
+        <title>Glazed</title>
+    </head>
+    <body>
+        <p>Requests should be made as graphql queries</p>
+    </body>
+</html>
