Tiago
30 lines
1015 B
JavaScript
30 lines
1015 B
JavaScript
export const ratelimitGenerator = (req, server) => {
|
|
if (process.env.RATELIMIT_IP_HEADER) {
|
|
const header = process.env.RATELIMIT_IP_HEADER;
|
|
const ip = req.headers.get(header) || req.headers.get(header.toLowerCase());
|
|
|
|
if (ip) {
|
|
return ip.split(",")[0].trim();
|
|
}
|
|
|
|
console.error(
|
|
`⚠️ [ratelimit] Unable to find the IP in the header "${header}". Make sure to set the RATELIMIT_IP_HEADER env variable \n to a header which returns the user's IP.`,
|
|
);
|
|
return "";
|
|
}
|
|
|
|
const ip = server?.requestIP(req)?.address;
|
|
|
|
if (!server || !req || !ip) {
|
|
if (process.env.HIDE_RATELIMIT_IP_WARNING !== "true") {
|
|
console.warn(
|
|
`⚠️ [ratelimit] Unable to determine client IP, rate limiting disabled. If you're running locally, it should be safe \n to ignore this warning. Otherwise, make sure to set the RATELIMIT_IP_HEADER env variable to a header \n which returns the user's IP. Hide this warning with env.HIDE_RATELIMIT_IP_WARNING=true`,
|
|
);
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
return ip ?? "";
|
|
};
|