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@memberOf util.TokenStorageFactory.prototype * @method */ /** * @alias util.TokenStorage */ class TokenStorage { /** * Parse a token string in its components * @param {string} token The token string to parse, time values are returned as timestamps * @return {{data: string, createdAt: int, expireAt: int, sig: string}} */ static parse(token) { return { val: token, createdAt: parseInt(token.substring(0, 8), 16) * 1000, expireAt: parseInt(token.substring(8, 16), 16) * 1000, sig: token.substring(token.length - 40), data: token.substring(0, token.length - 40), }; } /** * Get the stored token * @return {string} The token or undefined, if no token is available */ get token() { return this.tokenData ? this.tokenData.val : null; } static create(origin) { return Promise.resolve(new TokenStorage(origin)); } /** * @param {string} origin The origin where the token belongs to * @param {string} token The initial token * @param {boolean=} temporary If the token should be saved temporary or permanently */ constructor(origin, token, temporary) { /** * The actual stored token */ this.tokenData = token ? TokenStorage.parse(token) : null; this.origin = origin; /** * Indicates if the token should keep temporary only or should be persisted for later sessions * @type boolean */ this.temporary = temporary; } /** * Use the underlying storage implementation to save the token * @param {string} origin The origin where the token belongs to * @param {string} token The initial token * @param {boolean} temporary If the token should be saved temporary or permanently * @return {void} * @protected * @abstract */ saveToken(origin, token, temporary) { // eslint-disable-next-line no-underscore-dangle if (this._saveToken !== TokenStorage.prototype._saveToken) { // eslint-disable-next-line no-console console.log('Using deprecated TokenStorage._saveToken implementation.'); // eslint-disable-next-line no-underscore-dangle this._saveToken(origin, token, temporary); } } /** * Use the underlying storage implementation to save the token * @param {string} origin The origin where the token belongs to * @param {string} token The initial token * @param {boolean} temporary If the token should be saved temporary or permanently * @return {void} * @deprecated Use TokenStorage#saveToken instead * @protected * @abstract */ _saveToken(origin, token, temporary) {} // eslint-disable-line no-unused-vars /** * Update the token for the givin origin, the operation may be asynchronous * @param {String} token The token to store or <code>null</code> to remove the token * @return {void} */ update(token) { const t = token ? TokenStorage.parse(token) : null; if (this.tokenData && t && this.tokenData.expireAt > t.expireAt) { // an older token was fetched from the cache, so ignore it return; } this.tokenData = t; this.saveToken(this.origin, token, this.temporary); } /** * Derives a resource token from the stored origin token and signs the resource with the generated resource token * * @param {string} resource The resource which will be accessible with the returned token * @return {string} A resource token which can only be used to access the specified resource */ signPath(resource) { if (this.tokenData) { const path = resource.split('/').map(encodeURIComponent).join('/'); return path + '?BAT=' + (this.tokenData.data + hmac(path + this.tokenData.data, this.tokenData.sig)); } return resource; } } deprectated(TokenStorage.prototype, '_token', 'tokenData'); deprectated(TokenStorage.prototype, '_origin', 'origin'); const tokens = {}; /** * @ignore */ class GlobalStorage extends TokenStorage { /** * Creates a global token storage instance for the given origin * A global token storage use a global variable to store the actual origin tokens * @param origin * @return {Promise.<GlobalStorage>} */ static create(origin) { return Promise.resolve(new GlobalStorage(origin, tokens[origin])); } /** * @inheritDoc */ saveToken(origin, token, temporary) { if (!temporary) { if (token) { tokens[origin] = token; } else { delete tokens[origin]; } } } } /** * @alias util.TokenStorage.GLOBAL * @type {util.TokenStorageFactory} */ TokenStorage.GLOBAL = GlobalStorage; /** * @ignore */ class WebStorage extends TokenStorage { static isAvailable() { try { // firefox throws an exception if cookies are disabled if (typeof localStorage === 'undefined') { return false; } localStorage.setItem('bq_webstorage_test', 'bq'); localStorage.removeItem('bq_webstorage_test'); return true; } catch (e) { return false; } } /** * Creates a global web storage instance for the given origin * A web token storage use the localStorage or sessionStorage to store the origin tokens * @param origin * @return {Promise.<WebStorage>} */ static create(origin) { let temporary = false; let token = localStorage.getItem('BAT:' + origin); if (!token && typeof sessionStorage !== 'undefined') { token = sessionStorage.getItem('BAT:' + origin); temporary = !!token; } return Promise.resolve(new WebStorage(origin, token, temporary)); } /** * @inheritDoc */ saveToken(origin, token, temporary) { const webStorage = temporary ? sessionStorage : localStorage; if (token) { webStorage.setItem('BAT:' + origin, token); } else { webStorage.removeItem('BAT:' + origin); } } } if (WebStorage.isAvailable()) { /** * @alias util.TokenStorage.WEB_STORAGE * @type {util.TokenStorageFactory} */ TokenStorage.WEB_STORAGE = WebStorage; } module.exports = TokenStorage; </code></pre> </article> </section>  </div> </div> </div> </div> </div> <div id="footer" style="position:relative; z-index:1;"> <div class="container"> <div class="row"> <div class="col-xs-6 col-sm-3 sitemap"> <h4>Product</h4> <a href="https://www.baqend.com/platform.html">Platform</a> <a href="https://www.baqend.com/speedkit.html">Speed Kit</a> <a href="https://www.baqend.com/features.html">Features</a> <a href="https://www.baqend.com/pricing.html">Platform Pricing</a> <a href="https://www.baqend.com/pricing_speedkit.html">Speed Kit Pricing</a> <a href="https://www.baqend.com/agencies.html">Agencies</a> <a href="https://www.baqend.com/enterprise.html">Enterprise</a> <a href="https://www.baqend.com/features.html#download">Community Edition</a> <a href="https://www.baqend.com/support.html">Support</a> </div> <div class="col-xs-6 col-sm-3 sitemap"> <h4>Company</h4> <a href="https://www.baqend.com/about.html">About us</a> <a href="https://medium.baqend.com">Baqend Blog</a> <a href="https://www.baqend.com/hiring.html">Jobs</a> <a href="https://www.baqend.com/press.html">Press</a> <a href="https://thesis.app.baqend.com/">Bachelor/Master theses</a> <a href="https://www.weblabs.hamburg/">WebLabs.Hamburg</a> </div> <div class="col-xs-6 col-sm-3 sitemap"> <h4>Developer</h4> <a href="https://dashboard.baqend.com/login">Login</a> <a href="https://dashboard.baqend.com/register">Sign Up</a> <a href="https://www.baqend.com/guide">Developer Docs</a> <a href="https://www.baqend.com/guide/roadmap/">Roadmap</a> <a href="https://www.baqend.com/guide/starter-kits">Starter Kits</a> <a href="https://www.baqend.com/js-sdk/latest/baqend.html">JS SDK</a> <a href="https://stackoverflow.com/questions/tagged/baqend/">Stackoverflow</a> </div> <div class="col-xs-6 col-sm-3 contact"> <h4>Contact</h4> <p class="contact-information"> <span> Baqend GmbH<br /> Stresemannstr. 23<br /> 22769 Hamburg<br /> Germany </span> </p> <p class="contact-information"> Email: <a style="display: inline-block" href="mailto:support@baqend.com">support@baqend.com</a> </p> <p class="contact-information"> Tel: <a style="display: inline-block" href="tel:+494060940539">+49 40 60940539</a> </p> </div> </div> <div class="row"> <div class="col-md-12 text-center social"> <a href="https://twitter.com/baqendcom"><i class="fa fa-twitter fa-fw"></i></a> <a href="https://github.com/Baqend"><i class="fa fa-github fa-fw"></i></a> <a href="https://medium.baqend.com/"><i class="fa fa-medium fa-fw"></i></a> <a href="https://www.facebook.com/baqend"><i class="fa fa-facebook fa-fw"></i></a> <a href="https://www.youtube.com/channel/UCsImg6Ts8UEp6-7LE9CP2-Q"><i class="fa fa-youtube fa-fw"></i></a> </div> </div> </div> <footer> <div class="container"> <div class="legal text-center"> <div> <strong>Baqend JavaScript SDK 2.14.1</strong><br> &copy 2019 Baqend GmbH<br> Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Sun, 06 Jan 2019 05:00:21 GMT </div> <a href="mailto:info@baqend.com">Contact</a> - <a href="https://dashboard.baqend.com/privacy">Privacy Policy</a> - <a href="https://dashboard.baqend.com/terms">Terms of Service</a> - <a href="https://dashboard.baqend.com/imprint">Imprint</a> </div> </div> </footer> </div> <script> prettyPrint(); </script> <script src="https://code.jquery.com/jquery-1.12.1.min.js"></script> <script src="scripts/bootstrap.min.js"> </script> <script src="scripts/linenumber.js"> </script> <script src="scripts/filter.js"> </script> <script data-main="scripts/search.js" src="scripts/require.js"></script> </body> </html>