var svgEditorExtension_xdomain_messaging = (function () { 'use strict'; /** * Should not be needed for same domain control (just call via child frame), * but an API common for cross-domain and same domain use can be found * in embedapi.js with a demo at embedapi.html. */ var extXdomainMessaging = { name: 'xdomain-messaging', init() { const svgEditor = this; const svgCanvas = svgEditor.canvas; try { window.addEventListener('message', function (e) { // We accept and post strings for the sake of IE9 support if (!e.data || !['string', 'object'].includes(typeof e.data) || e.data.charAt() === '|') { return; } const data = typeof e.data === 'object' ? e.data : JSON.parse(e.data); if (!data || typeof data !== 'object' || data.namespace !== 'svgCanvas') { return; } // The default is not to allow any origins, including even the same domain or // if run on a `file:///` URL. See `svgedit-config-es.js` for an example of how // to configure const { allowedOrigins } = svgEditor.curConfig; if (!allowedOrigins.includes('*') && !allowedOrigins.includes(e.origin)) { console.log(`Origin ${e.origin} not whitelisted for posting to ${window.origin}`); // eslint-disable-line no-console return; } const cbid = data.id; const { name, args } = data; const message = { namespace: 'svg-edit', id: cbid }; try { // Now that we know the origin is trusted, we perform otherwise // unsafe arbitrary canvas method execution message.result = svgCanvas[name](...args); // lgtm [js/remote-property-injection] } catch (err) { message.error = err.message; } e.source.postMessage(JSON.stringify(message), '*'); }); } catch (err) { console.log('Error with xdomain message listener: ' + err); // eslint-disable-line no-console } } }; return extXdomainMessaging; }());