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https://github.com/GoogleChrome/chrome-extensions-samples.git
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5064031481
* Remove notification permission from push cookbook sample As of [M132] this requirement is no longer necessary (unless the extension chooses to show a notification). [M132]: https://chromiumdash.appspot.com/commit/ed68ac786e9a276ef2b627b7e21cf0d20cc6d798 * address review comments * Add note about minimum Chrome version --------- Co-authored-by: Oliver Dunk <oliverdunk@google.com>
79 lines
2.9 KiB
JavaScript
79 lines
2.9 KiB
JavaScript
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/*eslint no-unused-vars: ["error", { "varsIgnorePattern": "subscribeUserVisibleOnlyFalse" }]*/
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const APPLICATION_SERVER_PUBLIC_KEY = '<key>';
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async function subscribeUserVisibleOnlyFalse() {
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const applicationServerKey = urlB64ToUint8Array(
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APPLICATION_SERVER_PUBLIC_KEY
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);
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try {
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let subscriptionData = await self.registration.pushManager.subscribe({
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// With our new change[1], this can be set to false. Before it must
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// always be set to true otherwise an error will be thrown about
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// permissions denied.
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userVisibleOnly: false,
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applicationServerKey: applicationServerKey
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});
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console.log('[Service Worker] Extension is subscribed to push server.');
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logSubscriptionDataToConsole(subscriptionData);
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} catch (error) {
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console.error('[Service Worker] Failed to subscribe, error: ', error);
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}
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}
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function logSubscriptionDataToConsole(subscription) {
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// The `subscription` data would normally only be know by the push server,
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// but for this sample we'll print it out to the console so it can be pasted
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// into a testing push notification server (at
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// https://web-push-codelab.glitch.me/) to send push messages to this
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// endpoint (extension).
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console.log(
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'[Service Worker] Subscription data to be pasted in the test push' +
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'notification server: '
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);
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console.log(JSON.stringify(subscription));
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}
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// Push message event listener.
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self.addEventListener('push', function (event) {
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console.log('[Service Worker] Push Received.');
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console.log(
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`[Service Worker] Push had this data/text: "${event.data.text()}"`
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);
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// Before `userVisibleOnly` could be passed as false we would have to show a
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// notification at this point (or if we didn't the browser would show a
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// generic notification), but now we no longer have to.
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});
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// Helper method for converting the server key to an array that is passed
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// when subscribing to a push server.
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function urlB64ToUint8Array(base64String) {
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const padding = '='.repeat((4 - (base64String.length % 4)) % 4);
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const base64 = (base64String + padding).replace(/-/g, '+').replace(/_/g, '/');
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const rawData = atob(base64);
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const outputArray = new Uint8Array(rawData.length);
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for (let i = 0; i < rawData.length; ++i) {
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outputArray[i] = rawData.charCodeAt(i);
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}
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return outputArray;
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}
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// [1]: https://chromiumdash.appspot.com/commit/f6a8800208dc4bc20a0250a7964983ce5aa746f0
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