1224 lines
48 KiB
JavaScript
1224 lines
48 KiB
JavaScript
import firebase from '@firebase/app';
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import '@firebase/installations';
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import { Component } from '@firebase/component';
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import { ErrorFactory } from '@firebase/util';
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import { openDb, deleteDb } from 'idb';
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/**
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* @license
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* Copyright 2017 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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* http://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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*/
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const ERROR_MAP = {
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["missing-app-config-values" /* MISSING_APP_CONFIG_VALUES */]: 'Missing App configuration value: "{$valueName}"',
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["only-available-in-window" /* AVAILABLE_IN_WINDOW */]: 'This method is available in a Window context.',
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["only-available-in-sw" /* AVAILABLE_IN_SW */]: 'This method is available in a service worker context.',
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["permission-default" /* PERMISSION_DEFAULT */]: 'The notification permission was not granted and dismissed instead.',
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["permission-blocked" /* PERMISSION_BLOCKED */]: 'The notification permission was not granted and blocked instead.',
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["unsupported-browser" /* UNSUPPORTED_BROWSER */]: "This browser doesn't support the API's required to use the firebase SDK.",
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["failed-service-worker-registration" /* FAILED_DEFAULT_REGISTRATION */]: 'We are unable to register the default service worker. {$browserErrorMessage}',
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["token-subscribe-failed" /* TOKEN_SUBSCRIBE_FAILED */]: 'A problem occured while subscribing the user to FCM: {$errorInfo}',
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["token-subscribe-no-token" /* TOKEN_SUBSCRIBE_NO_TOKEN */]: 'FCM returned no token when subscribing the user to push.',
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["token-unsubscribe-failed" /* TOKEN_UNSUBSCRIBE_FAILED */]: 'A problem occured while unsubscribing the ' +
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'user from FCM: {$errorInfo}',
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["token-update-failed" /* TOKEN_UPDATE_FAILED */]: 'A problem occured while updating the user from FCM: {$errorInfo}',
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["token-update-no-token" /* TOKEN_UPDATE_NO_TOKEN */]: 'FCM returned no token when updating the user to push.',
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["use-sw-after-get-token" /* USE_SW_AFTER_GET_TOKEN */]: 'The useServiceWorker() method may only be called once and must be ' +
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'called before calling getToken() to ensure your service worker is used.',
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["invalid-sw-registration" /* INVALID_SW_REGISTRATION */]: 'The input to useServiceWorker() must be a ServiceWorkerRegistration.',
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["invalid-bg-handler" /* INVALID_BG_HANDLER */]: 'The input to setBackgroundMessageHandler() must be a function.',
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["invalid-vapid-key" /* INVALID_VAPID_KEY */]: 'The public VAPID key must be a string.',
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["use-vapid-key-after-get-token" /* USE_VAPID_KEY_AFTER_GET_TOKEN */]: 'The usePublicVapidKey() method may only be called once and must be ' +
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'called before calling getToken() to ensure your VAPID key is used.'
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};
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const ERROR_FACTORY = new ErrorFactory('messaging', 'Messaging', ERROR_MAP);
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/**
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* @license
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* Copyright 2019 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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* http://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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*/
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function extractAppConfig(app) {
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if (!app || !app.options) {
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throw getMissingValueError('App Configuration Object');
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}
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if (!app.name) {
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throw getMissingValueError('App Name');
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}
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// Required app config keys
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const configKeys = [
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'projectId',
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'apiKey',
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'appId',
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'messagingSenderId'
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];
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const { options } = app;
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for (const keyName of configKeys) {
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if (!options[keyName]) {
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throw getMissingValueError(keyName);
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}
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}
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return {
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appName: app.name,
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projectId: options.projectId,
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apiKey: options.apiKey,
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appId: options.appId,
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senderId: options.messagingSenderId
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};
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}
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function getMissingValueError(valueName) {
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return ERROR_FACTORY.create("missing-app-config-values" /* MISSING_APP_CONFIG_VALUES */, {
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valueName
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});
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}
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/**
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* @license
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* Copyright 2017 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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* http://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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*/
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function arrayToBase64(array) {
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const uint8Array = new Uint8Array(array);
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const base64String = btoa(String.fromCharCode(...uint8Array));
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return base64String
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.replace(/=/g, '')
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.replace(/\+/g, '-')
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.replace(/\//g, '_');
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}
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function base64ToArray(base64String) {
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const padding = '='.repeat((4 - (base64String.length % 4)) % 4);
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const base64 = (base64String + padding)
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.replace(/\-/g, '+')
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.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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/**
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* @license
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* Copyright 2019 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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* http://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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*/
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const OLD_DB_NAME = 'fcm_token_details_db';
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/**
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* The last DB version of 'fcm_token_details_db' was 4. This is one higher,
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* so that the upgrade callback is called for all versions of the old DB.
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*/
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const OLD_DB_VERSION = 5;
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const OLD_OBJECT_STORE_NAME = 'fcm_token_object_Store';
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async function migrateOldDatabase(senderId) {
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if ('databases' in indexedDB) {
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// indexedDb.databases() is an IndexedDB v3 API
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// and does not exist in all browsers.
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// TODO: Remove typecast when it lands in TS types.
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const databases = await indexedDB.databases();
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const dbNames = databases.map(db => db.name);
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if (!dbNames.includes(OLD_DB_NAME)) {
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// old DB didn't exist, no need to open.
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return null;
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}
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}
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let tokenDetails = null;
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const db = await openDb(OLD_DB_NAME, OLD_DB_VERSION, async (db) => {
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var _a;
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if (db.oldVersion < 2) {
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// Database too old, skip migration.
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return;
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}
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if (!db.objectStoreNames.contains(OLD_OBJECT_STORE_NAME)) {
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// Database did not exist. Nothing to do.
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return;
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}
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const objectStore = db.transaction.objectStore(OLD_OBJECT_STORE_NAME);
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const value = await objectStore.index('fcmSenderId').get(senderId);
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await objectStore.clear();
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if (!value) {
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// No entry in the database, nothing to migrate.
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return;
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}
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if (db.oldVersion === 2) {
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const oldDetails = value;
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if (!oldDetails.auth || !oldDetails.p256dh || !oldDetails.endpoint) {
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return;
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}
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tokenDetails = {
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token: oldDetails.fcmToken,
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createTime: (_a = oldDetails.createTime) !== null && _a !== void 0 ? _a : Date.now(),
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subscriptionOptions: {
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auth: oldDetails.auth,
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p256dh: oldDetails.p256dh,
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endpoint: oldDetails.endpoint,
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swScope: oldDetails.swScope,
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vapidKey: typeof oldDetails.vapidKey === 'string'
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? oldDetails.vapidKey
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: arrayToBase64(oldDetails.vapidKey)
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}
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};
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}
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else if (db.oldVersion === 3) {
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const oldDetails = value;
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tokenDetails = {
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token: oldDetails.fcmToken,
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createTime: oldDetails.createTime,
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subscriptionOptions: {
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auth: arrayToBase64(oldDetails.auth),
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p256dh: arrayToBase64(oldDetails.p256dh),
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endpoint: oldDetails.endpoint,
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swScope: oldDetails.swScope,
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vapidKey: arrayToBase64(oldDetails.vapidKey)
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}
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};
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}
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else if (db.oldVersion === 4) {
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const oldDetails = value;
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tokenDetails = {
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token: oldDetails.fcmToken,
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createTime: oldDetails.createTime,
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subscriptionOptions: {
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auth: arrayToBase64(oldDetails.auth),
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p256dh: arrayToBase64(oldDetails.p256dh),
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endpoint: oldDetails.endpoint,
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swScope: oldDetails.swScope,
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vapidKey: arrayToBase64(oldDetails.vapidKey)
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}
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};
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}
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});
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db.close();
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// Delete all old databases.
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await deleteDb(OLD_DB_NAME);
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await deleteDb('fcm_vapid_details_db');
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await deleteDb('undefined');
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return checkTokenDetails(tokenDetails) ? tokenDetails : null;
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}
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function checkTokenDetails(tokenDetails) {
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if (!tokenDetails || !tokenDetails.subscriptionOptions) {
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return false;
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}
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const { subscriptionOptions } = tokenDetails;
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return (typeof tokenDetails.createTime === 'number' &&
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tokenDetails.createTime > 0 &&
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typeof tokenDetails.token === 'string' &&
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tokenDetails.token.length > 0 &&
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typeof subscriptionOptions.auth === 'string' &&
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subscriptionOptions.auth.length > 0 &&
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typeof subscriptionOptions.p256dh === 'string' &&
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subscriptionOptions.p256dh.length > 0 &&
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typeof subscriptionOptions.endpoint === 'string' &&
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subscriptionOptions.endpoint.length > 0 &&
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typeof subscriptionOptions.swScope === 'string' &&
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subscriptionOptions.swScope.length > 0 &&
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typeof subscriptionOptions.vapidKey === 'string' &&
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subscriptionOptions.vapidKey.length > 0);
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}
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/**
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* @license
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* Copyright 2019 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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* http://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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*/
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// Exported for tests.
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const DATABASE_NAME = 'firebase-messaging-database';
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const DATABASE_VERSION = 1;
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const OBJECT_STORE_NAME = 'firebase-messaging-store';
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let dbPromise = null;
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function getDbPromise() {
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if (!dbPromise) {
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dbPromise = openDb(DATABASE_NAME, DATABASE_VERSION, upgradeDb => {
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// We don't use 'break' in this switch statement, the fall-through
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// behavior is what we want, because if there are multiple versions between
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// the old version and the current version, we want ALL the migrations
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// that correspond to those versions to run, not only the last one.
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// eslint-disable-next-line default-case
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switch (upgradeDb.oldVersion) {
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case 0:
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upgradeDb.createObjectStore(OBJECT_STORE_NAME);
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}
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});
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}
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return dbPromise;
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}
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/** Gets record(s) from the objectStore that match the given key. */
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async function dbGet(firebaseDependencies) {
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const key = getKey(firebaseDependencies);
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const db = await getDbPromise();
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const tokenDetails = await db
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.transaction(OBJECT_STORE_NAME)
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.objectStore(OBJECT_STORE_NAME)
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.get(key);
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if (tokenDetails) {
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return tokenDetails;
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}
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else {
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// Check if there is a tokenDetails object in the old DB.
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const oldTokenDetails = await migrateOldDatabase(firebaseDependencies.appConfig.senderId);
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if (oldTokenDetails) {
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await dbSet(firebaseDependencies, oldTokenDetails);
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return oldTokenDetails;
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}
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}
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}
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/** Assigns or overwrites the record for the given key with the given value. */
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async function dbSet(firebaseDependencies, tokenDetails) {
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const key = getKey(firebaseDependencies);
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const db = await getDbPromise();
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const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');
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await tx.objectStore(OBJECT_STORE_NAME).put(tokenDetails, key);
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await tx.complete;
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return tokenDetails;
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}
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/** Removes record(s) from the objectStore that match the given key. */
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async function dbRemove(firebaseDependencies) {
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const key = getKey(firebaseDependencies);
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const db = await getDbPromise();
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const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');
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await tx.objectStore(OBJECT_STORE_NAME).delete(key);
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await tx.complete;
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}
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function getKey({ appConfig }) {
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return appConfig.appId;
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}
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/**
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* @license
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* Copyright 2019 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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* http://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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*/
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const DEFAULT_SW_PATH = '/firebase-messaging-sw.js';
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const DEFAULT_SW_SCOPE = '/firebase-cloud-messaging-push-scope';
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const DEFAULT_VAPID_KEY = 'BDOU99-h67HcA6JeFXHbSNMu7e2yNNu3RzoMj8TM4W88jITfq7ZmPvIM1Iv-4_l2LxQcYwhqby2xGpWwzjfAnG4';
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const ENDPOINT = 'https://fcmregistrations.googleapis.com/v1';
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/** Key of FCM Payload in Notification's data field. */
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const FCM_MSG = 'FCM_MSG';
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const CONSOLE_CAMPAIGN_ID = 'google.c.a.c_id';
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const CONSOLE_CAMPAIGN_NAME = 'google.c.a.c_l';
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const CONSOLE_CAMPAIGN_TIME = 'google.c.a.ts';
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/** Set to '1' if Analytics is enabled for the campaign */
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const CONSOLE_CAMPAIGN_ANALYTICS_ENABLED = 'google.c.a.e';
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/**
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* @license
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* Copyright 2019 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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* http://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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*/
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async function requestGetToken(firebaseDependencies, subscriptionOptions) {
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const headers = await getHeaders(firebaseDependencies);
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const body = getBody(subscriptionOptions);
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const subscribeOptions = {
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method: 'POST',
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headers,
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body: JSON.stringify(body)
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};
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let responseData;
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try {
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const response = await fetch(getEndpoint(firebaseDependencies.appConfig), subscribeOptions);
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responseData = await response.json();
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}
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catch (err) {
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throw ERROR_FACTORY.create("token-subscribe-failed" /* TOKEN_SUBSCRIBE_FAILED */, {
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errorInfo: err
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});
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}
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if (responseData.error) {
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const message = responseData.error.message;
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throw ERROR_FACTORY.create("token-subscribe-failed" /* TOKEN_SUBSCRIBE_FAILED */, {
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errorInfo: message
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});
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}
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if (!responseData.token) {
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throw ERROR_FACTORY.create("token-subscribe-no-token" /* TOKEN_SUBSCRIBE_NO_TOKEN */);
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}
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return responseData.token;
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}
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async function requestUpdateToken(firebaseDependencies, tokenDetails) {
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const headers = await getHeaders(firebaseDependencies);
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const body = getBody(tokenDetails.subscriptionOptions);
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const updateOptions = {
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method: 'PATCH',
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headers,
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body: JSON.stringify(body)
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};
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let responseData;
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try {
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const response = await fetch(`${getEndpoint(firebaseDependencies.appConfig)}/${tokenDetails.token}`, updateOptions);
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responseData = await response.json();
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}
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catch (err) {
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throw ERROR_FACTORY.create("token-update-failed" /* TOKEN_UPDATE_FAILED */, {
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errorInfo: err
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});
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}
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if (responseData.error) {
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const message = responseData.error.message;
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throw ERROR_FACTORY.create("token-update-failed" /* TOKEN_UPDATE_FAILED */, {
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errorInfo: message
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});
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}
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if (!responseData.token) {
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throw ERROR_FACTORY.create("token-update-no-token" /* TOKEN_UPDATE_NO_TOKEN */);
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}
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return responseData.token;
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}
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async function requestDeleteToken(firebaseDependencies, token) {
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const headers = await getHeaders(firebaseDependencies);
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const unsubscribeOptions = {
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method: 'DELETE',
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headers
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};
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try {
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const response = await fetch(`${getEndpoint(firebaseDependencies.appConfig)}/${token}`, unsubscribeOptions);
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const responseData = await response.json();
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if (responseData.error) {
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const message = responseData.error.message;
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throw ERROR_FACTORY.create("token-unsubscribe-failed" /* TOKEN_UNSUBSCRIBE_FAILED */, {
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errorInfo: message
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});
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}
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}
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catch (err) {
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throw ERROR_FACTORY.create("token-unsubscribe-failed" /* TOKEN_UNSUBSCRIBE_FAILED */, {
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errorInfo: err
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});
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}
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}
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function getEndpoint({ projectId }) {
|
|
return `${ENDPOINT}/projects/${projectId}/registrations`;
|
|
}
|
|
async function getHeaders({ appConfig, installations }) {
|
|
const authToken = await installations.getToken();
|
|
return new Headers({
|
|
'Content-Type': 'application/json',
|
|
Accept: 'application/json',
|
|
'x-goog-api-key': appConfig.apiKey,
|
|
'x-goog-firebase-installations-auth': `FIS ${authToken}`
|
|
});
|
|
}
|
|
function getBody({ p256dh, auth, endpoint, vapidKey }) {
|
|
const body = {
|
|
web: {
|
|
endpoint,
|
|
auth,
|
|
p256dh
|
|
}
|
|
};
|
|
if (vapidKey !== DEFAULT_VAPID_KEY) {
|
|
body.web.applicationPubKey = vapidKey;
|
|
}
|
|
return body;
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright 2019 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
/** UpdateRegistration will be called once every week. */
|
|
const TOKEN_EXPIRATION_MS = 7 * 24 * 60 * 60 * 1000; // 7 days
|
|
async function getToken(firebaseDependencies, swRegistration, vapidKey) {
|
|
if (Notification.permission !== 'granted') {
|
|
throw ERROR_FACTORY.create("permission-blocked" /* PERMISSION_BLOCKED */);
|
|
}
|
|
// If a PushSubscription exists it's returned, otherwise a new subscription
|
|
// is generated and returned.
|
|
const pushSubscription = await getPushSubscription(swRegistration, vapidKey);
|
|
const tokenDetails = await dbGet(firebaseDependencies);
|
|
const subscriptionOptions = {
|
|
vapidKey,
|
|
swScope: swRegistration.scope,
|
|
endpoint: pushSubscription.endpoint,
|
|
auth: arrayToBase64(pushSubscription.getKey('auth')),
|
|
p256dh: arrayToBase64(pushSubscription.getKey('p256dh'))
|
|
};
|
|
if (!tokenDetails) {
|
|
// No token, get a new one.
|
|
return getNewToken(firebaseDependencies, subscriptionOptions);
|
|
}
|
|
else if (!isTokenValid(tokenDetails.subscriptionOptions, subscriptionOptions)) {
|
|
// Invalid token, get a new one.
|
|
try {
|
|
await requestDeleteToken(firebaseDependencies, tokenDetails.token);
|
|
}
|
|
catch (e) {
|
|
// Suppress errors because of #2364
|
|
console.warn(e);
|
|
}
|
|
return getNewToken(firebaseDependencies, subscriptionOptions);
|
|
}
|
|
else if (Date.now() >= tokenDetails.createTime + TOKEN_EXPIRATION_MS) {
|
|
// Weekly token refresh
|
|
return updateToken({
|
|
token: tokenDetails.token,
|
|
createTime: Date.now(),
|
|
subscriptionOptions
|
|
}, firebaseDependencies, swRegistration);
|
|
}
|
|
else {
|
|
// Valid token, nothing to do.
|
|
return tokenDetails.token;
|
|
}
|
|
}
|
|
/**
|
|
* This method deletes the token from the database, unsubscribes the token from
|
|
* FCM, and unregisters the push subscription if it exists.
|
|
*/
|
|
async function deleteToken(firebaseDependencies, swRegistration) {
|
|
const tokenDetails = await dbGet(firebaseDependencies);
|
|
if (tokenDetails) {
|
|
await requestDeleteToken(firebaseDependencies, tokenDetails.token);
|
|
await dbRemove(firebaseDependencies);
|
|
}
|
|
// Unsubscribe from the push subscription.
|
|
const pushSubscription = await swRegistration.pushManager.getSubscription();
|
|
if (pushSubscription) {
|
|
return pushSubscription.unsubscribe();
|
|
}
|
|
// If there's no SW, consider it a success.
|
|
return true;
|
|
}
|
|
async function updateToken(tokenDetails, firebaseDependencies, swRegistration) {
|
|
try {
|
|
const updatedToken = await requestUpdateToken(firebaseDependencies, tokenDetails);
|
|
const updatedTokenDetails = Object.assign({ token: updatedToken, createTime: Date.now() }, tokenDetails);
|
|
await dbSet(firebaseDependencies, updatedTokenDetails);
|
|
return updatedToken;
|
|
}
|
|
catch (e) {
|
|
await deleteToken(firebaseDependencies, swRegistration);
|
|
throw e;
|
|
}
|
|
}
|
|
async function getNewToken(firebaseDependencies, subscriptionOptions) {
|
|
const token = await requestGetToken(firebaseDependencies, subscriptionOptions);
|
|
const tokenDetails = {
|
|
token,
|
|
createTime: Date.now(),
|
|
subscriptionOptions
|
|
};
|
|
await dbSet(firebaseDependencies, tokenDetails);
|
|
return tokenDetails.token;
|
|
}
|
|
/**
|
|
* Gets a PushSubscription for the current user.
|
|
*/
|
|
async function getPushSubscription(swRegistration, vapidKey) {
|
|
const subscription = await swRegistration.pushManager.getSubscription();
|
|
if (subscription) {
|
|
return subscription;
|
|
}
|
|
return swRegistration.pushManager.subscribe({
|
|
userVisibleOnly: true,
|
|
// Chrome <= 75 doesn't support base64-encoded VAPID key. For backward compatibility, VAPID key
|
|
// submitted to pushManager#subscribe must be of type Uint8Array.
|
|
applicationServerKey: base64ToArray(vapidKey)
|
|
});
|
|
}
|
|
/**
|
|
* Checks if the saved tokenDetails object matches the configuration provided.
|
|
*/
|
|
function isTokenValid(dbOptions, currentOptions) {
|
|
const isVapidKeyEqual = currentOptions.vapidKey === dbOptions.vapidKey;
|
|
const isEndpointEqual = currentOptions.endpoint === dbOptions.endpoint;
|
|
const isAuthEqual = currentOptions.auth === dbOptions.auth;
|
|
const isP256dhEqual = currentOptions.p256dh === dbOptions.p256dh;
|
|
return isVapidKeyEqual && isEndpointEqual && isAuthEqual && isP256dhEqual;
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright 2017 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
var MessageType;
|
|
(function (MessageType) {
|
|
MessageType["PUSH_RECEIVED"] = "push-received";
|
|
MessageType["NOTIFICATION_CLICKED"] = "notification-clicked";
|
|
})(MessageType || (MessageType = {}));
|
|
|
|
/**
|
|
* @license
|
|
* Copyright 2019 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
function isConsoleMessage(data) {
|
|
// This message has a campaign ID, meaning it was sent using the
|
|
// Firebase Console.
|
|
return typeof data === 'object' && !!data && CONSOLE_CAMPAIGN_ID in data;
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright 2017 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
class WindowController {
|
|
constructor(firebaseDependencies) {
|
|
this.firebaseDependencies = firebaseDependencies;
|
|
this.vapidKey = null;
|
|
this.onMessageCallback = null;
|
|
navigator.serviceWorker.addEventListener('message', e => this.messageEventListener(e));
|
|
}
|
|
get app() {
|
|
return this.firebaseDependencies.app;
|
|
}
|
|
async getToken() {
|
|
if (!this.vapidKey) {
|
|
this.vapidKey = DEFAULT_VAPID_KEY;
|
|
}
|
|
const swRegistration = await this.getServiceWorkerRegistration();
|
|
// Check notification permission.
|
|
if (Notification.permission === 'default') {
|
|
// The user hasn't allowed or denied notifications yet. Ask them.
|
|
await Notification.requestPermission();
|
|
}
|
|
if (Notification.permission !== 'granted') {
|
|
throw ERROR_FACTORY.create("permission-blocked" /* PERMISSION_BLOCKED */);
|
|
}
|
|
return getToken(this.firebaseDependencies, swRegistration, this.vapidKey);
|
|
}
|
|
async deleteToken() {
|
|
const swRegistration = await this.getServiceWorkerRegistration();
|
|
return deleteToken(this.firebaseDependencies, swRegistration);
|
|
}
|
|
/**
|
|
* Request permission if it is not currently granted.
|
|
*
|
|
* @return Resolves if the permission was granted, rejects otherwise.
|
|
*
|
|
* @deprecated Use Notification.requestPermission() instead.
|
|
* https://developer.mozilla.org/en-US/docs/Web/API/Notification/requestPermission
|
|
*/
|
|
async requestPermission() {
|
|
if (Notification.permission === 'granted') {
|
|
return;
|
|
}
|
|
const permissionResult = await Notification.requestPermission();
|
|
if (permissionResult === 'granted') {
|
|
return;
|
|
}
|
|
else if (permissionResult === 'denied') {
|
|
throw ERROR_FACTORY.create("permission-blocked" /* PERMISSION_BLOCKED */);
|
|
}
|
|
else {
|
|
throw ERROR_FACTORY.create("permission-default" /* PERMISSION_DEFAULT */);
|
|
}
|
|
}
|
|
// TODO: Deprecate this and make VAPID key a parameter in getToken.
|
|
usePublicVapidKey(vapidKey) {
|
|
if (this.vapidKey !== null) {
|
|
throw ERROR_FACTORY.create("use-vapid-key-after-get-token" /* USE_VAPID_KEY_AFTER_GET_TOKEN */);
|
|
}
|
|
if (typeof vapidKey !== 'string' || vapidKey.length === 0) {
|
|
throw ERROR_FACTORY.create("invalid-vapid-key" /* INVALID_VAPID_KEY */);
|
|
}
|
|
this.vapidKey = vapidKey;
|
|
}
|
|
useServiceWorker(swRegistration) {
|
|
if (!(swRegistration instanceof ServiceWorkerRegistration)) {
|
|
throw ERROR_FACTORY.create("invalid-sw-registration" /* INVALID_SW_REGISTRATION */);
|
|
}
|
|
if (this.swRegistration) {
|
|
throw ERROR_FACTORY.create("use-sw-after-get-token" /* USE_SW_AFTER_GET_TOKEN */);
|
|
}
|
|
this.swRegistration = swRegistration;
|
|
}
|
|
/**
|
|
* @param nextOrObserver An observer object or a function triggered on
|
|
* message.
|
|
* @return The unsubscribe function for the observer.
|
|
*/
|
|
// TODO: Simplify this to only accept a function and not an Observer.
|
|
onMessage(nextOrObserver) {
|
|
this.onMessageCallback =
|
|
typeof nextOrObserver === 'function'
|
|
? nextOrObserver
|
|
: nextOrObserver.next;
|
|
return () => {
|
|
this.onMessageCallback = null;
|
|
};
|
|
}
|
|
setBackgroundMessageHandler() {
|
|
throw ERROR_FACTORY.create("only-available-in-sw" /* AVAILABLE_IN_SW */);
|
|
}
|
|
// Unimplemented
|
|
onTokenRefresh() {
|
|
return () => { };
|
|
}
|
|
/**
|
|
* Creates or updates the default service worker registration.
|
|
* @return The service worker registration to be used for the push service.
|
|
*/
|
|
async getServiceWorkerRegistration() {
|
|
if (!this.swRegistration) {
|
|
try {
|
|
this.swRegistration = await navigator.serviceWorker.register(DEFAULT_SW_PATH, {
|
|
scope: DEFAULT_SW_SCOPE
|
|
});
|
|
// The timing when browser updates sw when sw has an update is unreliable by my experiment.
|
|
// It leads to version conflict when the SDK upgrades to a newer version in the main page, but
|
|
// sw is stuck with the old version. For example, https://github.com/firebase/firebase-js-sdk/issues/2590
|
|
// The following line reliably updates sw if there was an update.
|
|
this.swRegistration.update().catch(() => {
|
|
/* it is non blocking and we don't care if it failed */
|
|
});
|
|
}
|
|
catch (e) {
|
|
throw ERROR_FACTORY.create("failed-service-worker-registration" /* FAILED_DEFAULT_REGISTRATION */, {
|
|
browserErrorMessage: e.message
|
|
});
|
|
}
|
|
}
|
|
return this.swRegistration;
|
|
}
|
|
async messageEventListener(event) {
|
|
var _a;
|
|
if (!((_a = event.data) === null || _a === void 0 ? void 0 : _a.firebaseMessaging)) {
|
|
// Not a message from FCM
|
|
return;
|
|
}
|
|
const { type, payload } = event.data.firebaseMessaging;
|
|
if (this.onMessageCallback && type === MessageType.PUSH_RECEIVED) {
|
|
this.onMessageCallback(payload);
|
|
}
|
|
const { data } = payload;
|
|
if (isConsoleMessage(data) &&
|
|
data[CONSOLE_CAMPAIGN_ANALYTICS_ENABLED] === '1') {
|
|
// Analytics is enabled on this message, so we should log it.
|
|
await this.logEvent(type, data);
|
|
}
|
|
}
|
|
async logEvent(messageType, data) {
|
|
const eventType = getEventType(messageType);
|
|
const analytics = await this.firebaseDependencies.analyticsProvider.get();
|
|
analytics.logEvent(eventType, {
|
|
/* eslint-disable camelcase */
|
|
message_id: data[CONSOLE_CAMPAIGN_ID],
|
|
message_name: data[CONSOLE_CAMPAIGN_NAME],
|
|
message_time: data[CONSOLE_CAMPAIGN_TIME],
|
|
message_device_time: Math.floor(Date.now() / 1000)
|
|
/* eslint-enable camelcase */
|
|
});
|
|
}
|
|
}
|
|
function getEventType(messageType) {
|
|
switch (messageType) {
|
|
case MessageType.NOTIFICATION_CLICKED:
|
|
return 'notification_open';
|
|
case MessageType.PUSH_RECEIVED:
|
|
return 'notification_foreground';
|
|
default:
|
|
throw new Error();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright 2019 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
/** Returns a promise that resolves after given time passes. */
|
|
function sleep(ms) {
|
|
return new Promise(resolve => {
|
|
setTimeout(resolve, ms);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright 2017 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
class SwController {
|
|
constructor(firebaseDependencies) {
|
|
this.firebaseDependencies = firebaseDependencies;
|
|
this.vapidKey = null;
|
|
this.bgMessageHandler = null;
|
|
self.addEventListener('push', e => {
|
|
e.waitUntil(this.onPush(e));
|
|
});
|
|
self.addEventListener('pushsubscriptionchange', e => {
|
|
e.waitUntil(this.onSubChange(e));
|
|
});
|
|
self.addEventListener('notificationclick', e => {
|
|
e.waitUntil(this.onNotificationClick(e));
|
|
});
|
|
}
|
|
get app() {
|
|
return this.firebaseDependencies.app;
|
|
}
|
|
/**
|
|
* Calling setBackgroundMessageHandler will opt in to some specific
|
|
* behaviours.
|
|
* 1.) If a notification doesn't need to be shown due to a window already
|
|
* being visible, then push messages will be sent to the page.
|
|
* 2.) If a notification needs to be shown, and the message contains no
|
|
* notification data this method will be called
|
|
* and the promise it returns will be passed to event.waitUntil.
|
|
* If you do not set this callback then all push messages will let and the
|
|
* developer can handle them in a their own 'push' event callback
|
|
*
|
|
* @param callback The callback to be called when a push message is received
|
|
* and a notification must be shown. The callback will be given the data from
|
|
* the push message.
|
|
*/
|
|
setBackgroundMessageHandler(callback) {
|
|
if (!callback || typeof callback !== 'function') {
|
|
throw ERROR_FACTORY.create("invalid-bg-handler" /* INVALID_BG_HANDLER */);
|
|
}
|
|
this.bgMessageHandler = callback;
|
|
}
|
|
// TODO: Remove getToken from SW Controller.
|
|
// Calling this from an old SW can cause all kinds of trouble.
|
|
async getToken() {
|
|
var _a, _b;
|
|
if (!this.vapidKey) {
|
|
// Call getToken using the current VAPID key if there already is a token.
|
|
// This is needed because usePublicVapidKey was not available in SW.
|
|
// It will be removed when vapidKey becomes a parameter of getToken, or
|
|
// when getToken is removed from SW.
|
|
const tokenDetails = await dbGet(this.firebaseDependencies);
|
|
this.vapidKey = (_b = (_a = tokenDetails === null || tokenDetails === void 0 ? void 0 : tokenDetails.subscriptionOptions) === null || _a === void 0 ? void 0 : _a.vapidKey) !== null && _b !== void 0 ? _b : DEFAULT_VAPID_KEY;
|
|
}
|
|
return getToken(this.firebaseDependencies, self.registration, this.vapidKey);
|
|
}
|
|
// TODO: Remove deleteToken from SW Controller.
|
|
// Calling this from an old SW can cause all kinds of trouble.
|
|
deleteToken() {
|
|
return deleteToken(this.firebaseDependencies, self.registration);
|
|
}
|
|
requestPermission() {
|
|
throw ERROR_FACTORY.create("only-available-in-window" /* AVAILABLE_IN_WINDOW */);
|
|
}
|
|
// TODO: Deprecate this and make VAPID key a parameter in getToken.
|
|
// TODO: Remove this together with getToken from SW Controller.
|
|
usePublicVapidKey(vapidKey) {
|
|
if (this.vapidKey !== null) {
|
|
throw ERROR_FACTORY.create("use-vapid-key-after-get-token" /* USE_VAPID_KEY_AFTER_GET_TOKEN */);
|
|
}
|
|
if (typeof vapidKey !== 'string' || vapidKey.length === 0) {
|
|
throw ERROR_FACTORY.create("invalid-vapid-key" /* INVALID_VAPID_KEY */);
|
|
}
|
|
this.vapidKey = vapidKey;
|
|
}
|
|
useServiceWorker() {
|
|
throw ERROR_FACTORY.create("only-available-in-window" /* AVAILABLE_IN_WINDOW */);
|
|
}
|
|
onMessage() {
|
|
throw ERROR_FACTORY.create("only-available-in-window" /* AVAILABLE_IN_WINDOW */);
|
|
}
|
|
onTokenRefresh() {
|
|
throw ERROR_FACTORY.create("only-available-in-window" /* AVAILABLE_IN_WINDOW */);
|
|
}
|
|
/**
|
|
* A handler for push events that shows notifications based on the content of
|
|
* the payload.
|
|
*
|
|
* The payload must be a JSON-encoded Object with a `notification` key. The
|
|
* value of the `notification` property will be used as the NotificationOptions
|
|
* object passed to showNotification. Additionally, the `title` property of the
|
|
* notification object will be used as the title.
|
|
*
|
|
* If there is no notification data in the payload then no notification will be
|
|
* shown.
|
|
*/
|
|
async onPush(event) {
|
|
const payload = getMessagePayload(event);
|
|
if (!payload) {
|
|
return;
|
|
}
|
|
const clientList = await getClientList();
|
|
if (hasVisibleClients(clientList)) {
|
|
// App in foreground. Send to page.
|
|
return sendMessageToWindowClients(clientList, payload);
|
|
}
|
|
const notificationDetails = getNotificationData(payload);
|
|
if (notificationDetails) {
|
|
await showNotification(notificationDetails);
|
|
}
|
|
else if (this.bgMessageHandler) {
|
|
await this.bgMessageHandler(payload);
|
|
}
|
|
}
|
|
async onSubChange(event) {
|
|
var _a, _b;
|
|
const { newSubscription } = event;
|
|
if (!newSubscription) {
|
|
// Subscription revoked, delete token
|
|
await deleteToken(this.firebaseDependencies, self.registration);
|
|
return;
|
|
}
|
|
const tokenDetails = await dbGet(this.firebaseDependencies);
|
|
await deleteToken(this.firebaseDependencies, self.registration);
|
|
await getToken(this.firebaseDependencies, self.registration, (_b = (_a = tokenDetails === null || tokenDetails === void 0 ? void 0 : tokenDetails.subscriptionOptions) === null || _a === void 0 ? void 0 : _a.vapidKey) !== null && _b !== void 0 ? _b : DEFAULT_VAPID_KEY);
|
|
}
|
|
async onNotificationClick(event) {
|
|
var _a, _b;
|
|
const payload = (_b = (_a = event.notification) === null || _a === void 0 ? void 0 : _a.data) === null || _b === void 0 ? void 0 : _b[FCM_MSG];
|
|
if (!payload) {
|
|
// Not an FCM notification, do nothing.
|
|
return;
|
|
}
|
|
else if (event.action) {
|
|
// User clicked on an action button.
|
|
// This will allow devs to act on action button clicks by using a custom
|
|
// onNotificationClick listener that they define.
|
|
return;
|
|
}
|
|
// Prevent other listeners from receiving the event
|
|
event.stopImmediatePropagation();
|
|
event.notification.close();
|
|
const link = getLink(payload);
|
|
if (!link) {
|
|
return;
|
|
}
|
|
let client = await getWindowClient(link);
|
|
if (!client) {
|
|
// Unable to find window client so need to open one.
|
|
// This also focuses the opened client.
|
|
client = await self.clients.openWindow(link);
|
|
// Wait three seconds for the client to initialize and set up the message
|
|
// handler so that it can receive the message.
|
|
await sleep(3000);
|
|
}
|
|
else {
|
|
client = await client.focus();
|
|
}
|
|
if (!client) {
|
|
// Window Client will not be returned if it's for a third party origin.
|
|
return;
|
|
}
|
|
const message = createNewMessage(MessageType.NOTIFICATION_CLICKED, payload);
|
|
return client.postMessage(message);
|
|
}
|
|
}
|
|
function getMessagePayload({ data }) {
|
|
if (!data) {
|
|
return null;
|
|
}
|
|
try {
|
|
return data.json();
|
|
}
|
|
catch (err) {
|
|
// Not JSON so not an FCM message.
|
|
return null;
|
|
}
|
|
}
|
|
function getNotificationData(payload) {
|
|
if (!payload || typeof payload.notification !== 'object') {
|
|
return;
|
|
}
|
|
const notificationInformation = Object.assign({}, payload.notification);
|
|
// Put the message payload under FCM_MSG name so we can identify the
|
|
// notification as being an FCM notification vs a notification from
|
|
// somewhere else (i.e. normal web push or developer generated
|
|
// notification).
|
|
notificationInformation.data = Object.assign(Object.assign({}, payload.notification.data), { [FCM_MSG]: payload });
|
|
return notificationInformation;
|
|
}
|
|
/**
|
|
* @param url The URL to look for when focusing a client.
|
|
* @return Returns an existing window client or a newly opened WindowClient.
|
|
*/
|
|
async function getWindowClient(url) {
|
|
// Use URL to normalize the URL when comparing to windowClients.
|
|
// This at least handles whether to include trailing slashes or not
|
|
const parsedURL = new URL(url, self.location.href);
|
|
const clientList = await getClientList();
|
|
for (const client of clientList) {
|
|
const parsedClientUrl = new URL(client.url, self.location.href);
|
|
if (parsedClientUrl.host === parsedURL.host) {
|
|
return client;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* @returns If there is currently a visible WindowClient, this method will
|
|
* resolve to true, otherwise false.
|
|
*/
|
|
function hasVisibleClients(clientList) {
|
|
return clientList.some(client => client.visibilityState === 'visible' &&
|
|
// Ignore chrome-extension clients as that matches the background pages
|
|
// of extensions, which are always considered visible for some reason.
|
|
!client.url.startsWith('chrome-extension://'));
|
|
}
|
|
/**
|
|
* @param payload The data from the push event that should be sent to all
|
|
* available pages.
|
|
* @returns Returns a promise that resolves once the message has been sent to
|
|
* all WindowClients.
|
|
*/
|
|
function sendMessageToWindowClients(clientList, payload) {
|
|
const message = createNewMessage(MessageType.PUSH_RECEIVED, payload);
|
|
for (const client of clientList) {
|
|
client.postMessage(message);
|
|
}
|
|
}
|
|
function getClientList() {
|
|
return self.clients.matchAll({
|
|
type: 'window',
|
|
includeUncontrolled: true
|
|
// TS doesn't know that "type: 'window'" means it'll return WindowClient[]
|
|
});
|
|
}
|
|
function createNewMessage(type, payload) {
|
|
return {
|
|
firebaseMessaging: { type, payload }
|
|
};
|
|
}
|
|
function showNotification(details) {
|
|
var _a;
|
|
const title = (_a = details.title) !== null && _a !== void 0 ? _a : '';
|
|
const { actions } = details;
|
|
// Note: Firefox does not support the maxActions property.
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/notification/maxActions
|
|
const { maxActions } = Notification;
|
|
if (actions && maxActions && actions.length > maxActions) {
|
|
console.warn(`This browser only supports ${maxActions} actions. The remaining actions will not be displayed.`);
|
|
}
|
|
return self.registration.showNotification(title, details);
|
|
}
|
|
function getLink(payload) {
|
|
var _a, _b, _c;
|
|
// eslint-disable-next-line camelcase
|
|
const link = (_b = (_a = payload.fcmOptions) === null || _a === void 0 ? void 0 : _a.link) !== null && _b !== void 0 ? _b : (_c = payload.notification) === null || _c === void 0 ? void 0 : _c.click_action;
|
|
if (link) {
|
|
return link;
|
|
}
|
|
if (isConsoleMessage(payload.data)) {
|
|
// Notification created in the Firebase Console. Redirect to origin.
|
|
return self.location.origin;
|
|
}
|
|
else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @license
|
|
* Copyright 2017 Google LLC
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
const MESSAGING_NAME = 'messaging';
|
|
function factoryMethod(container) {
|
|
// Dependencies.
|
|
const app = container.getProvider('app').getImmediate();
|
|
const appConfig = extractAppConfig(app);
|
|
const installations = container.getProvider('installations').getImmediate();
|
|
const analyticsProvider = container.getProvider('analytics-internal');
|
|
const firebaseDependencies = {
|
|
app,
|
|
appConfig,
|
|
installations,
|
|
analyticsProvider
|
|
};
|
|
if (!isSupported()) {
|
|
throw ERROR_FACTORY.create("unsupported-browser" /* UNSUPPORTED_BROWSER */);
|
|
}
|
|
if (self && 'ServiceWorkerGlobalScope' in self) {
|
|
// Running in ServiceWorker context
|
|
return new SwController(firebaseDependencies);
|
|
}
|
|
else {
|
|
// Assume we are in the window context.
|
|
return new WindowController(firebaseDependencies);
|
|
}
|
|
}
|
|
const NAMESPACE_EXPORTS = {
|
|
isSupported
|
|
};
|
|
firebase.INTERNAL.registerComponent(new Component(MESSAGING_NAME, factoryMethod, "PUBLIC" /* PUBLIC */).setServiceProps(NAMESPACE_EXPORTS));
|
|
function isSupported() {
|
|
if (self && 'ServiceWorkerGlobalScope' in self) {
|
|
// Running in ServiceWorker context
|
|
return isSWControllerSupported();
|
|
}
|
|
else {
|
|
// Assume we are in the window context.
|
|
return isWindowControllerSupported();
|
|
}
|
|
}
|
|
/**
|
|
* Checks to see if the required APIs exist.
|
|
*/
|
|
function isWindowControllerSupported() {
|
|
return ('indexedDB' in window &&
|
|
indexedDB !== null &&
|
|
navigator.cookieEnabled &&
|
|
'serviceWorker' in navigator &&
|
|
'PushManager' in window &&
|
|
'Notification' in window &&
|
|
'fetch' in window &&
|
|
ServiceWorkerRegistration.prototype.hasOwnProperty('showNotification') &&
|
|
PushSubscription.prototype.hasOwnProperty('getKey'));
|
|
}
|
|
/**
|
|
* Checks to see if the required APIs exist within SW Context.
|
|
*/
|
|
function isSWControllerSupported() {
|
|
return ('indexedDB' in self &&
|
|
indexedDB !== null &&
|
|
'PushManager' in self &&
|
|
'Notification' in self &&
|
|
ServiceWorkerRegistration.prototype.hasOwnProperty('showNotification') &&
|
|
PushSubscription.prototype.hasOwnProperty('getKey'));
|
|
}
|
|
//# sourceMappingURL=index.esm2017.js.map
|