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Fix recaptcha errors by removing Request cloning in service worker #26

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Fix recaptcha errors by removing Request cloning in service worker #26

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32bcd8b
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Copilot Nov 17, 2025
4fb2c87
Fix service worker ReadableStream error for recaptcha
Copilot Nov 17, 2025
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51 changes: 4 additions & 47 deletions public/sw.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,65 +6,22 @@ const uv = new UVServiceWorker();
const { ScramjetServiceWorker } = $scramjetLoadWorker();
const sj = new ScramjetServiceWorker();

// Enhanced CAPTCHA and Cloudflare verification support
// List of CAPTCHA and verification domains that need special handling
const CAPTCHA_DOMAINS = [
"google.com/recaptcha",
"www.google.com/recaptcha",
"recaptcha.net",
"www.recaptcha.net",
"gstatic.com/recaptcha",
"hcaptcha.com",
"newassets.hcaptcha.com",
"challenges.cloudflare.com",
"cloudflare.com/cdn-cgi/challenge",
"turnstile.cloudflare.com"
];

// Helper function to check if URL is CAPTCHA-related
function isCaptchaRequest(url) {
const urlStr = url.toString().toLowerCase();
return CAPTCHA_DOMAINS.some((domain) => urlStr.includes(domain));
}

// Helper function to ensure proper CAPTCHA handling
function enhanceCaptchaRequest(request) {
// Clone the request to ensure all headers and properties are preserved
const headers = new Headers(request.headers);

// Ensure proper headers for CAPTCHA requests
if (!headers.has("Accept")) {
headers.set("Accept", "*/*");
}

// Preserve credentials for CAPTCHA cookies
return new Request(request, {
headers: headers,
credentials: "include",
mode: request.mode === "navigate" ? "same-origin" : request.mode
});
}

self.addEventListener("fetch", function (event) {
event.respondWith(
(async () => {
await sj.loadConfig();

const url = event.request.url;
const isCaptcha = isCaptchaRequest(url);

// Enhanced handling for CAPTCHA requests
let request = event.request;
if (isCaptcha) {
request = enhanceCaptchaRequest(event.request);
}

// Route to appropriate proxy handler
// Both UV and Scramjet handle CAPTCHA requests properly when given the original event
if (url.startsWith(location.origin + __uv$config.prefix)) {
return await uv.fetch(event);
} else if (sj.route(event)) {
return await sj.fetch(event);
} else {
return await fetch(request);
// For non-proxied requests, use the original request to avoid stream issues
return await fetch(event.request);
}
})()
);
Expand Down