datasquirel/users/get-token.js

// @ts-check

/**
 * ==============================================================================
 * Imports
 * ==============================================================================
 */
const http = require("http");
const decrypt = require("../package-shared/functions/dsql/decrypt");
const getAuthCookieNames = require("../package-shared/functions/backend/cookies/get-auth-cookie-names");
const parseCookies = require("../package-shared/utils/backend/parseCookies");

/** ****************************************************************************** */
/** ****************************************************************************** */
/** ****************************************************************************** */
/** ****************************************************************************** */
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/**
 * Get just the access token for user
 * ==============================================================================
 * @description This Function takes in a request object and returns a user token
 * string and csrf token string
 *
 * @param {Object} params - Arg
 * @param {http.IncomingMessage} [params.request] - Http request object
 * @param {string} [params.cookieString]
 * @param {string} params.encryptionKey - Encryption Key
 * @param {string} params.encryptionSalt - Encryption Salt
 * @param {string} params.database - Database Name
 * @param {boolean} [params.useLocal]
 *
 * @returns {{ key: string | undefined, csrf: string | undefined }}
 */
function getToken({
    request,
    encryptionKey,
    encryptionSalt,
    database,
    useLocal,
    cookieString,
}) {
    try {
        /**
         * Grab the payload
         *
         * @description Grab the payload
         */
        const cookies = parseCookies({ request, cookieString });
        const keynames = getAuthCookieNames();
        const authKeyName = keynames.keyCookieName;
        const csrfName = keynames.csrfCookieName;

        const key = cookies[authKeyName];
        const csrf = cookies[csrfName];

        /**
         * Grab the payload
         *
         * @description Grab the payload
         */
        let userPayload = decrypt({
            encryptedString: key,
            encryptionKey,
            encryptionSalt,
        });

        /**
         * Grab the payload
         *
         * @description Grab the payload
         */
        if (!userPayload) {
            return { key: undefined, csrf: undefined };
        }

        /**
         * Grab the payload
         *
         * @description Grab the payload
         */
        let userObject = JSON.parse(userPayload);

        if (!userObject.csrf_k) {
            return { key: undefined, csrf: undefined };
        }

        /** ********************************************** */
        /** ********************************************** */
        /** ********************************************** */

        /**
         * Return User Object
         *
         * @description Return User Object
         */
        return { key, csrf };
    } catch (error) {
        /**
         * Return User Object
         *
         * @description Return User Object
         */
        return {
            key: undefined,
            csrf: undefined,
        };
    }
}

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module.exports = getToken;