[swagger-ui] enable cors and rewrite properly the url in swagger-ui d…

…oc page

app-backend/src/main/java/io/yupiik/fusion/examples/backend/server/Cors.java

@@ -0,0 +1,42 @@
+package io.yupiik.fusion.examples.backend.server;
+
+import io.yupiik.fusion.framework.api.scope.DefaultScoped;
+import io.yupiik.fusion.framework.build.api.event.OnEvent;
+import io.yupiik.fusion.framework.build.api.order.Order;
+import io.yupiik.fusion.http.server.api.WebServer;
+import io.yupiik.fusion.http.server.impl.tomcat.TomcatWebServerConfiguration;
+import jakarta.servlet.FilterRegistration;
+import jakarta.servlet.ServletContainerInitializer;
+import jakarta.servlet.ServletContext;
+import jakarta.servlet.ServletException;
+import org.apache.catalina.core.StandardContext;
+import org.apache.catalina.filters.CorsFilter;
+
+import java.util.EnumSet;
+import java.util.Set;
+import java.util.stream.Stream;
+
+import static jakarta.servlet.DispatcherType.REQUEST;
+import static org.apache.catalina.filters.CorsFilter.PARAM_CORS_ALLOWED_ORIGINS;
+
+// just for swagger tests/demo
+@DefaultScoped
+public class Cors {
+    protected void onStart(@OnEvent @Order(20_000) final WebServer.Configuration configuration) {
+        final var tomcatConf = configuration.unwrap(TomcatWebServerConfiguration.class);
+        tomcatConf.setContextCustomizers(
+                Stream.concat(
+                                tomcatConf.getContextCustomizers().stream(),
+                                Stream.of(this::addCors))
+                        .toList());
+    }
+
+    private void addCors(final StandardContext context) {
+        context.addServletContainerInitializer((set, servletContext) -> {
+            final var filter = servletContext.addFilter("cors", CorsFilter.class);
+            filter.setInitParameter(PARAM_CORS_ALLOWED_ORIGINS, "*");
+            filter.setAsyncSupported(true);
+            filter.addMappingForUrlPatterns(EnumSet.of(REQUEST), true, "/jsonrpc");
+        }, Set.of());
+    }
+}

app-documentation/minisite/content/swagger-ui.adoc

@@ -37,6 +37,15 @@ SwaggerUIBundle({
     plugins: [
       SwaggerUIBundle.plugins.DownloadUrl,
     ],
+    requestInterceptor: function (request) {
+     if (request.loadSpec) {
+       return request;
+     }
+
+     var sep = request.url.lastIndexOf('/');
+     var method = request.url.substring(sep + 1);
+     return Object.assign(request, { url: request.url.substring(0, sep) });
+   },
 });
 </script>
 ++++