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55 lines
1.5 KiB
55 lines
1.5 KiB
/**
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* Sets up two-way communication between the
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* mainline version of extension and Flask build
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* in order to detect & warn if there are two different
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* versions running simultaneously.
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*/
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import browser from 'webextension-polyfill';
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import {
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PLATFORM_CHROME,
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PLATFORM_FIREFOX,
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CHROME_BUILD_IDS,
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FIREFOX_BUILD_IDS,
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} from '../../shared/constants/app';
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import { getPlatform } from './lib/util';
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const MESSAGE_TEXT = 'isRunning';
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const showWarning = () =>
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console.warn('Warning! You have multiple instances of MetaMask running!');
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/**
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* Handles the ping message sent from other extension.
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* Displays console warning if it's active.
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*
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* @param message - The message received from the other extension
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*/
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export const onMessageReceived = (message) => {
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if (message === MESSAGE_TEXT) {
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showWarning();
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}
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};
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/**
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* Sends the ping message sent to other extensions to detect whether it's active or not.
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*/
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export const checkForMultipleVersionsRunning = async () => {
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if (getPlatform() !== PLATFORM_CHROME && getPlatform() !== PLATFORM_FIREFOX) {
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return;
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}
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const buildIds =
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getPlatform() === PLATFORM_CHROME ? CHROME_BUILD_IDS : FIREFOX_BUILD_IDS;
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const thisBuild = browser.runtime.id;
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for (const id of buildIds) {
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if (id !== thisBuild) {
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try {
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await browser.runtime.sendMessage(id, MESSAGE_TEXT);
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} catch (error) {
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// Should do nothing if receiving end was not reached (no other instances running)
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}
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}
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}
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};
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