dressed/dist/server/signature.js

A sleek, serverless-ready Discord bot framework.

import nacl from "tweetnacl";
import { Buffer } from "node:buffer";
import { botEnv } from "../utils/env.js";
/**
 * Verifies the signature of the POST request
 */
export function verifySignature(body, signature, timestamp) {
    if (!signature ||
        !timestamp ||
        typeof signature !== "string" ||
        typeof timestamp !== "string") {
        return false;
    }
    return nacl.sign.detached.verify(new Uint8Array(Buffer.from(timestamp + body)), new Uint8Array(Buffer.from(signature, "hex")), new Uint8Array(Buffer.from(botEnv.DISCORD_PUBLIC_KEY, "hex")));
}
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