@centinel/nextjs/dist/middleware.js

Package designed to add Centinel Analytica functionality to Next.js applications

import { NextResponse } from 'next/server';
import { CentinelMiddleware } from './core/CentinelMiddleware';
let centinelWorker = undefined;
export default async function middleware(req) {
    try {
        if (!centinelWorker) {
            throw new Error('Centinel worker not initialized. Use createCentinelMiddleware() to create your middleware.');
        }
        const event = { request: req };
        const centinelResult = await centinelWorker.validate(event);
        return centinelResult.response;
    }
    catch {
        return NextResponse.redirect(new URL('/block', req.url));
    }
}
/**
 * Creates a Centinel middleware function with sequential validation.
 * The validation runs before allowing the request to proceed.
 *
 * @param config - Centinel configuration object
 * @returns Configured middleware function
 *
 * @example
 * ```typescript
 * // middleware.ts
 * import { createCentinelMiddleware } from '@centinel/nextjs';
 *
 * export default createCentinelMiddleware({
 *   siteKey: process.env.CENTINEL_SITE_KEY!,
 *   secretKey: process.env.CENTINEL_SECRET_KEY!
 * });
 *
 * export const config = {
 *   matcher: ['/api/:path*', '/dashboard/:path*']
 * };
 * ```
 */
export function createCentinelMiddleware(config) {
    return async function centinelMiddleware(req) {
        try {
            if (!centinelWorker) {
                centinelWorker = new CentinelMiddleware(config);
            }
            const event = { request: req };
            const centinelResult = await centinelWorker.validate(event);
            return centinelResult.response;
        }
        catch {
            return NextResponse.redirect(new URL('/block', req.url));
        }
    };
}
/**
 * Creates a Centinel middleware function using environment variables for configuration.
 *
 * @returns Configured middleware function
 *
 * @example
 * ```typescript
 * // middleware.ts
 * import { createCentinelMiddlewareFromEnv } from '@centinel/nextjs';
 *
 * export default createCentinelMiddlewareFromEnv();
 *
 * export const config = {
 *   matcher: ['/api/:path*', '/dashboard/:path*']
 * };
 * ```
 */
export function createCentinelMiddlewareFromEnv() {
    const config = {
        siteKey: process.env.CENTINEL_SITE_KEY,
        secretKey: process.env.CENTINEL_SECRET_KEY
    };
    return createCentinelMiddleware(config);
}
// Export the core integration class for advanced usage
export { CentinelMiddleware };