mapnests-browser-sdk/dist/generate_token.js

TypeScript SDK for Mapnests API integration (Distance Matrix, Distance Matrix Details, Geocode, Reverse Geocode)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateToken = generateToken;
const fetch_remote_time_1 = require("./fetch_remote_time");
async function generateToken(apiKey) {
    const randInt = Math.floor(Math.random() * 1000000);
    const utc_time = await (0, fetch_remote_time_1.fetchRemoteTime)();
    const expires = utc_time + 30;
    const input = `${expires}:${randInt}:${apiKey}`;
    const encoder = new TextEncoder();
    const data = encoder.encode(input);
    const hashBuffer = await crypto.subtle.digest('SHA-256', data);
    const hashArray = Array.from(new Uint8Array(hashBuffer));
    const hash = hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
    const jsonPayload = {
        random: randInt,
        expires: expires,
        sign: hash,
    };
    const jsonStr = JSON.stringify(jsonPayload);
    const base64 = btoa(jsonStr);
    return base64;
}