104 lines
3.6 KiB
JavaScript
104 lines
3.6 KiB
JavaScript
import Component from '@ember/component';
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import { getOwner } from '@ember/application';
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import config from '../config/environment';
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import { inject as service } from '@ember/service';
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export default Component.extend({
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flashMessages: service(),
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auth: service(),
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useServiceWorker: null,
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async init() {
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this._super(...arguments);
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if (this.useServiceWorker === false) {
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return;
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}
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// check to see if we support ServiceWorker
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if ('serviceWorker' in navigator) {
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// this checks to see if there's an active service worker - if it failed to register
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// for any reason, then this would be null
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const worker = await navigator.serviceWorker.getRegistration(config.serviceWorkerScope);
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if (worker) {
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navigator.serviceWorker.addEventListener('message', this.serviceWorkerGetToken.bind(this));
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this.set('useServiceWorker', true);
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}
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}
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},
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willDestroy() {
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if (this.useServiceWorker) {
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navigator.serviceWorker.removeEventListener('message', this.serviceWorkerGetToken);
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}
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this._super(...arguments);
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},
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serviceWorkerGetToken(event) {
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const { action } = event.data;
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const [port] = event.ports;
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if (action === 'getToken') {
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port.postMessage({ token: this.auth.currentToken });
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} else {
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console.error('Unknown event', event); // eslint-disable-line
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port.postMessage({ error: 'Unknown request' });
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}
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},
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actions: {
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async removePeer(model) {
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const { nodeId } = model;
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try {
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await model.destroyRecord();
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} catch (e) {
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const errString = e.errors ? e.errors.join(' ') : e.message || e;
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this.flashMessages.danger(`There was an issue removing the peer ${nodeId}: ${errString}`);
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return;
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}
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this.flashMessages.success(`Successfully removed the peer: ${nodeId}.`);
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},
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downloadViaServiceWorker() {
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// the actual download happens when the user clicks the anchor link, and then the ServiceWorker
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// intercepts the request and adds auth headers.
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// Here we just want to notify users that something is happening before the browser starts the download
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this.flashMessages.success('The snapshot download will begin shortly.');
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},
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async downloadSnapshot() {
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// this entire method is the fallback behavior in case the browser either doesn't support ServiceWorker
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// or the UI is not being run on https.
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// here we're downloading the entire snapshot in memory, creating a dataurl with createObjectURL, and
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// then forcing a download by clicking a link that has a download attribute
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//
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// this is not the default because
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const adapter = getOwner(this).lookup('adapter:application');
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this.flashMessages.success('The snapshot download has begun.');
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let resp, blob;
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try {
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resp = await adapter.rawRequest('/v1/sys/storage/raft/snapshot', 'GET');
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blob = await resp.blob();
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} catch (e) {
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const errString = e.errors ? e.errors.join(' ') : e.message || e;
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this.flashMessages.danger(`There was an error trying to download the snapshot: ${errString}`);
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}
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const filename = 'snapshot.gz';
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const file = new Blob([blob], { type: 'application/x-gzip' });
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file.name = filename;
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if ('msSaveOrOpenBlob' in navigator) {
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navigator.msSaveOrOpenBlob(file, filename);
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return;
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}
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const a = document.createElement('a');
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const objectURL = window.URL.createObjectURL(file);
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a.href = objectURL;
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a.download = filename;
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document.body.appendChild(a);
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a.click();
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a.remove();
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window.URL.revokeObjectURL(objectURL);
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},
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},
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});
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