next-auth-pubkey/main/handlers/create.js

A light-weight Lightning and Nostr auth provider for your Next.js app that's entirely self-hosted and plugs seamlessly into the next-auth framework.

import { randomBytes } from "crypto";
import lnurlEncode from "../../utils/lnurl/encode.js";
import { createValidation } from "../validation/api.js";
export default async function handler({ body, cookies, url, config, }) {
    let state, oldK1;
    try {
        ({ state, k1: oldK1 } = createValidation.parse(body));
    }
    catch (e) {
        return { error: "BadRequest", log: e instanceof Error ? e.message : "" };
    }
    // if an old k1 is provided, delete it
    if (typeof oldK1 === "string") {
        try {
            await config.storage.delete({ k1: oldK1 }, url, config);
        }
        catch (e) {
            if (config.flags.logs) {
                console.error(e);
            }
            if (config.flags.diagnostics && config.flags.logs) {
                console.warn(`An error occurred in the storage.delete method. To debug the error see: ${config.baseUrl + config.apis.diagnostics}`);
            }
        }
    }
    const k1 = randomBytes(32).toString("hex");
    const callbackUrl = new URL(config.baseUrl + config.apis.callback);
    callbackUrl.searchParams.append("k1", k1);
    callbackUrl.searchParams.append("tag", "login");
    const encoded = lnurlEncode(callbackUrl.toString()).toUpperCase();
    try {
        await config.storage.set({ k1, data: { k1, state } }, url, config);
    }
    catch (e) {
        if (config.flags.diagnostics && config.flags.logs) {
            console.warn(`An error occurred in the storage.set method. To debug the error see: ${config.baseUrl + config.apis.diagnostics}`);
        }
        return { error: "Default", log: e instanceof Error ? e.message : "" };
    }
    return {
        response: {
            success: true,
            k1,
            lnurl: encoded,
            pollInterval: config.intervals.poll,
            createInterval: config.intervals.create,
        },
    };
}