diff --git a/apps/web/src/app/api/waitlist/route.ts b/apps/web/src/app/api/waitlist/route.ts index 076dd228..f62e24e9 100644 --- a/apps/web/src/app/api/waitlist/route.ts +++ b/apps/web/src/app/api/waitlist/route.ts @@ -16,108 +16,6 @@ const waitlistSchema = z.object({ const CSRF_TOKEN_NAME = "waitlist-csrf"; const TOKEN_EXPIRY = 60 * 60 * 1000; -function validateBrowserRequest(request: NextRequest): boolean { - const origin = request.headers.get("origin"); - const referer = request.headers.get("referer"); - const userAgent = request.headers.get("user-agent") || ""; - const secFetchSite = request.headers.get("sec-fetch-site"); - const secFetchMode = request.headers.get("sec-fetch-mode"); - const secFetchDest = request.headers.get("sec-fetch-dest"); - const contentType = request.headers.get("content-type"); - const accept = request.headers.get("accept"); - - if (env.NODE_ENV === "development") { - console.log("=== Validating Browser Request ==="); - console.log("Origin:", origin); - console.log("Referer:", referer); - console.log("User-Agent:", userAgent); - console.log("Sec-Fetch-Site:", secFetchSite); - console.log("Sec-Fetch-Mode:", secFetchMode); - console.log("Sec-Fetch-Dest:", secFetchDest); - console.log("Content-Type:", contentType); - console.log("Accept:", accept); - } - - const allowedOrigins = - env.NODE_ENV === "development" ? ["http://localhost:3000", "http://127.0.0.1:3000"] : ["https://opencut.app", "https://www.opencut.app"]; - - if (!origin || !allowedOrigins.includes(origin)) { - console.log("Failed: Invalid origin"); - return false; - } - - if (!referer || !referer.startsWith(origin)) { - console.log("Failed: Invalid referer"); - return false; - } - - const suspiciousUserAgents = [ - "curl", - "wget", - "postman", - "insomnia", - "thunder client", - "httpie", - "python-requests", - "node-fetch", - "axios", - "scrapy", - "httpclient", - "okhttp", - "libwww-perl", - "python-urllib", - "go-http-client", - "java/", - "apache-httpclient", - ]; - - const lowerUserAgent = userAgent.toLowerCase(); - if (!userAgent || suspiciousUserAgents.some((agent) => lowerUserAgent.includes(agent))) { - console.log("Failed: Suspicious user agent"); - return false; - } - - const hasBrowserIndicators = - lowerUserAgent.includes("mozilla/") || - lowerUserAgent.includes("chrome/") || - lowerUserAgent.includes("safari/") || - lowerUserAgent.includes("firefox/") || - lowerUserAgent.includes("edge/"); - - if (!hasBrowserIndicators) { - console.log("Failed: No browser indicators in user agent"); - return false; - } - - if (secFetchSite && secFetchSite !== "same-origin") { - console.log("Failed: Invalid Sec-Fetch-Site:", secFetchSite); - return false; - } - - if (secFetchMode && secFetchMode !== "cors") { - console.log("Failed: Invalid Sec-Fetch-Mode:", secFetchMode); - return false; - } - - if (secFetchDest && secFetchDest !== "empty") { - console.log("Failed: Invalid Sec-Fetch-Dest:", secFetchDest); - return false; - } - - if (!contentType || !contentType.includes("application/json")) { - console.log("Failed: Invalid Content-Type"); - return false; - } - - if (!accept || (!accept.includes("application/json") && !accept.includes("*/*"))) { - console.log("Failed: Invalid Accept header"); - return false; - } - - console.log("Browser validation passed!"); - return true; -} - async function validateCSRFToken(request: NextRequest): Promise { const clientToken = request.headers.get("x-csrf-token"); if (!clientToken) return false; @@ -153,13 +51,6 @@ export async function POST(request: NextRequest) { if (!success) { return NextResponse.json({ error: "Too many requests. Please try again later." }, { status: 429 }); } - - if (!validateBrowserRequest(request)) { - await new Promise((resolve) => setTimeout(resolve, Math.random() * 2000 + 1000)); - - return NextResponse.json({ error: "Invalid request" }, { status: 403 }); - } - const isValidToken = await validateCSRFToken(request); if (!isValidToken) { return NextResponse.json({ error: "Invalid security token" }, { status: 403 });