fix: address code review findings for analytics and security
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@@ -60,7 +60,8 @@ export async function createWebServer(config: WebServerConfig = {}): Promise<Web
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let statsBroadcastInterval: Timer | undefined;
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// Cache for activity stats (heavy aggregation)
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let cachedActivity: { data: any, timestamp: number } | null = null;
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let activityPromise: Promise<any> | null = null;
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let lastActivityFetch: number = 0;
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const ACTIVITY_CACHE_TTL = 5 * 60 * 1000; // 5 minutes
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const server = serve({
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@@ -103,15 +104,31 @@ export async function createWebServer(config: WebServerConfig = {}): Promise<Web
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if (url.pathname === "/api/stats/activity") {
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try {
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const now = Date.now();
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if (cachedActivity && (now - cachedActivity.timestamp < ACTIVITY_CACHE_TTL)) {
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return Response.json(cachedActivity.data);
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// Security Check: Token-based authentication
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const { env } = await import("@shared/lib/env");
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const authHeader = req.headers.get("Authorization");
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if (authHeader !== `Bearer ${env.ADMIN_TOKEN}`) {
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return new Response("Unauthorized", { status: 401 });
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}
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const { dashboardService } = await import("@shared/modules/dashboard/dashboard.service");
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const activity = await dashboardService.getActivityAggregation();
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const now = Date.now();
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cachedActivity = { data: activity, timestamp: now };
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// If we have a valid cache, return it
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if (activityPromise && (now - lastActivityFetch < ACTIVITY_CACHE_TTL)) {
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const data = await activityPromise;
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return Response.json(data);
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}
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// Otherwise, trigger a new fetch (deduplicated by the promise)
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if (!activityPromise || (now - lastActivityFetch >= ACTIVITY_CACHE_TTL)) {
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activityPromise = (async () => {
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const { dashboardService } = await import("@shared/modules/dashboard/dashboard.service");
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return await dashboardService.getActivityAggregation();
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})();
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lastActivityFetch = now;
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}
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const activity = await activityPromise;
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return Response.json(activity);
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} catch (error) {
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console.error("Error fetching activity stats:", error);
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