@wristband/nextjs-auth/dist/cjs/utils/crypto.js

SDK for integrating your Next.js application with Wristband. Handles user authentication, session management, and token management.

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.encodeBase64 = encodeBase64;
exports.base64ToURLSafe = base64ToURLSafe;
exports.generateRandomString = generateRandomString;
exports.sha256Base64 = sha256Base64;
exports.encryptLoginState = encryptLoginState;
exports.decryptLoginState = decryptLoginState;
const iron_webcrypto_1 = require("iron-webcrypto");
const crypto = __importStar(require("uncrypto"));
function encodeBase64(input) {
    const encoder = new TextEncoder();
    const data = encoder.encode(input);
    let binary = '';
    data.forEach((byte) => {
        binary += String.fromCharCode(byte);
    });
    return btoa(binary);
}
function base64ToURLSafe(str) {
    return str.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
}
function generateRandomString(length) {
    const randomValues = new Uint8Array(length);
    crypto.getRandomValues(randomValues);
    const base64String = btoa(String.fromCharCode(...randomValues));
    return base64String.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
}
async function sha256Base64(input) {
    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 hashString = hashArray
        .map((byte) => {
        return String.fromCharCode(byte);
    })
        .join('');
    return btoa(hashString);
}
async function encryptLoginState(loginState, loginStateSecret) {
    const encryptedLoginState = await (0, iron_webcrypto_1.seal)(crypto, loginState, loginStateSecret, iron_webcrypto_1.defaults);
    if (encryptedLoginState.length > 4096) {
        throw new TypeError('Login state cookie exceeds 4kB in size. Ensure your [customState] and [returnUrl] values are a reasonable size.');
    }
    return encryptedLoginState;
}
async function decryptLoginState(loginStateCookie, loginStateSecret) {
    const loginState = await (0, iron_webcrypto_1.unseal)(crypto, loginStateCookie, loginStateSecret, iron_webcrypto_1.defaults);
    return loginState;
}