website/routes/_middleware.ts

import { FreshContext } from '$fresh/server.ts'
import { useCsp } from ':src/csp/middleware.ts'
import { useSecurityHeaders } from ':src/security_headers/middleware.ts'
import { useServiceworker } from ':src/serviceworker/middleware.ts'
import { useSession } from ':src/session/middleware.ts'
import { SessionStore } from ':src/session/mod.ts'

export async function handler(request: Request, ctx: FreshContext) {
	// Update fresh context state with session
	ctx.state = { ...ctx.state, session: SessionStore.getFromRequest(request) }

	// Get response
	const response = await ctx.next()

	// Use custom middleware hooks
	useSecurityHeaders(request, response, ctx)
	await useCsp(request, response, ctx)
	useSession(request, response, ctx)
	useServiceworker(request, response, ctx)	

	return response
}