102 lines
3.3 KiB
JavaScript
102 lines
3.3 KiB
JavaScript
// @ts-check
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const http = require("http");
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const getAuthCookieNames = require("../package-shared/functions/backend/cookies/get-auth-cookie-names");
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const decrypt = require("../package-shared/functions/dsql/decrypt");
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const EJSON = require("../package-shared/utils/ejson");
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const {
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deleteAuthFile,
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} = require("../package-shared/functions/backend/auth/write-auth-files");
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const parseCookies = require("../package-shared/utils/backend/parseCookies");
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/**
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* Logout user
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* ==============================================================================
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* @param {object} params - Single Param object containing params
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* @param {string} [params.encryptedUserString] - Encrypted User String
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* @param {http.IncomingMessage & Object<string, any>} [params.request] - Request Object
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* @param {http.ServerResponse & Object<string, any>} [params.response] - Http response object
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* @param {string} [params.database] - Target database name(slug): optional
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* @param {string | number} [params.dsqlUserId]
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*
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* @returns {{success: boolean, msg: string, cookieNames?: any}}
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*/
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function logoutUser({
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response,
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database,
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dsqlUserId,
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encryptedUserString,
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request,
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}) {
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/**
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* Check Encryption Keys
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*
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* @description Check Encryption Keys
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*/
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try {
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const cookieNames = getAuthCookieNames({
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database,
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userId: dsqlUserId || process.env.DSQL_API_USER_ID,
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});
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const authKeyName = cookieNames.keyCookieName;
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const csrfName = cookieNames.csrfCookieName;
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/** @type {string | undefined} */
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const decryptedUserJSON = (() => {
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try {
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if (request) {
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const cookiesObject = parseCookies({ request });
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return decrypt({
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encryptedString: cookiesObject[authKeyName],
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});
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} else if (encryptedUserString) {
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return decrypt({
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encryptedString: encryptedUserString,
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});
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} else {
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return undefined;
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}
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} catch (/** @type {any} */ error) {
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console.log(
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"Error getting decrypted User JSON to logout:",
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error.message
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);
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return undefined;
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}
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})();
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if (!decryptedUserJSON) throw new Error("Invalid User");
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const userObject =
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/** @type {import("../package-shared/types").DATASQUIREL_LoggedInUser | undefined} */ (
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EJSON.parse(decryptedUserJSON)
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);
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if (!userObject?.csrf_k)
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throw new Error("Invalid User. Please check key");
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response?.setHeader("Set-Cookie", [
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`${authKeyName}=null;max-age=0`,
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`${csrfName}=null;max-age=0`,
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]);
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const csrf = userObject.csrf_k;
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deleteAuthFile(csrf);
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return {
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success: true,
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msg: "User Logged Out",
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cookieNames,
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};
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} catch (/** @type {any} */ error) {
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console.log("Logout Error:", error.message);
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return {
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success: false,
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msg: "Logout Failed",
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};
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}
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}
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module.exports = logoutUser;
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