more security improvements

Overlord-Server/src/server/notification-delivery.ts

@@ -177,6 +177,21 @@ async function deliverToUserWebhook(
     return;
   }
 
+  const hostname = parsed.hostname.toLowerCase();
+  const BLOCKED_HOSTS = ["localhost", "metadata.google.internal", "169.254.169.254"];
+  if (
+    BLOCKED_HOSTS.includes(hostname) ||
+    hostname.endsWith(".internal") ||
+    hostname.startsWith("127.") ||
+    hostname === "[::1]" ||
+    /^(10\.|172\.(1[6-9]|2\d|3[01])\.|192\.168\.)/.test(hostname) ||
+    hostname.startsWith("169.254.") ||
+    hostname.startsWith("0.")
+  ) {
+    logger.warn(`[notify] blocked webhook to private/internal address: ${hostname}`);
+    return;
+  }
+
   try {
     const isDiscord = /discord(app)?\.com$/i.test(parsed.hostname);
     if (isDiscord) {

Overlord-Server/src/server/routes/plugin-routes.ts

@@ -3,6 +3,7 @@ import path from "path";
 import { v4 as uuidv4 } from "uuid";
 import { authenticateRequest } from "../../auth";
 import { requirePermission } from "../../rbac";
+import { canUserAccessClient } from "../../users";
 import * as clientManager from "../../clientManager";
 import { metrics } from "../../metrics";
 import { encodeMessage } from "../../protocol";
@@ -88,6 +89,9 @@ export async function handlePluginRoutes(
     }
 
     const clientId = clientPluginsMatch[1];
+    if (!canUserAccessClient(user.userId, user.role, clientId)) {
+      return new Response("Forbidden: You do not have access to this client", { status: 403 });
+    }
     const loaded = deps.pluginLoadedByClient.get(clientId) || new Set<string>();
     const manifests = await deps.listPluginManifests();
     const plugins = manifests.map((manifest) => ({
@@ -337,8 +341,8 @@ export async function handlePluginRoutes(
   if (req.method === "POST" && pluginExecMatch) {
     const user = await authenticateRequest(req);
     if (!user) return new Response("Unauthorized", { status: 401 });
-    if (user.role !== "admin" && user.role !== "operator") {
-      return new Response("Forbidden: Admin or operator access required", { status: 403 });
+    if (user.role !== "admin") {
+      return new Response("Forbidden: Admin access required", { status: 403 });
     }
     let pluginId = "";
     try { pluginId = deps.sanitizePluginId(pluginExecMatch[1]); } catch { return new Response("Invalid plugin id", { status: 400 }); }
@@ -458,6 +462,9 @@ export async function handlePluginRoutes(
       return new Response("Forbidden", { status: 403 });
     }
     const targetId = pluginLoadMatch[1];
+    if (!canUserAccessClient(user.userId, user.role, targetId)) {
+      return new Response("Forbidden: You do not have access to this client", { status: 403 });
+    }
     const pluginId = pluginLoadMatch[2];
     const target = clientManager.getClient(targetId);
     if (!target) return new Response("Not found", { status: 404 });
@@ -489,6 +496,9 @@ export async function handlePluginRoutes(
       return new Response("Forbidden", { status: 403 });
     }
     const targetId = pluginEventsPollMatch[1];
+    if (!canUserAccessClient(user.userId, user.role, targetId)) {
+      return new Response("Forbidden: You do not have access to this client", { status: 403 });
+    }
     const pluginId = pluginEventsPollMatch[2];
     const events = deps.drainPluginUIEvents(targetId, pluginId);
     return Response.json({ events });
@@ -506,6 +516,9 @@ export async function handlePluginRoutes(
     }
 
     const targetId = pluginEventMatch[1];
+    if (!canUserAccessClient(user.userId, user.role, targetId)) {
+      return new Response("Forbidden: You do not have access to this client", { status: 403 });
+    }
     const pluginId = pluginEventMatch[2];
     const target = clientManager.getClient(targetId);
     if (!target) return new Response("Not found", { status: 404 });
@@ -565,6 +578,9 @@ export async function handlePluginRoutes(
     }
 
     const targetId = pluginUnloadMatch[1];
+    if (!canUserAccessClient(user.userId, user.role, targetId)) {
+      return new Response("Forbidden: You do not have access to this client", { status: 403 });
+    }
     const pluginId = pluginUnloadMatch[2];
     const target = clientManager.getClient(targetId);
     if (!target) return new Response("Not found", { status: 404 });