server/src/utils.ts

import { crypto, toHashString } from "@std/crypto/mod.ts";

export interface Location {
    country: string;
    region: string;
}

interface InternalLocation {
    status: string;
    country: string;
    countryCode: string;
    region: string;
    regionName: string;
    city: string;
    zip: string;
    lat: number;
    lon: number;
    timezone: string;
    isp: string;
    org: string;
    as: string;
    query: string;
}

/** deviously lick (an ip's geolocation) */
export async function deviousLick(ip: string): Promise<Location> {
    const res = await fetch(`http://ip-api.com/json/${ip}`);

    const data: InternalLocation = await res.json();

    return {
        country: data.country,
        region: data.regionName,
    } as Location;
}

export async function hash(str: string): Promise<string> {
    const digest = await crypto.subtle.digest(
        "SHA3-256",
        new TextEncoder().encode(str),
    );
    return toHashString(digest, "hex");
}