125 lines
4.2 KiB
TypeScript
125 lines
4.2 KiB
TypeScript
import { app } from 'electron/main';
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import type { WebContents } from 'electron/main';
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import { clipboard, nativeImage } from 'electron/common';
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import * as fs from 'fs';
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import { ipcMainInternal } from '@electron/internal/browser/ipc-main-internal';
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import * as ipcMainUtils from '@electron/internal/browser/ipc-main-internal-utils';
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import * as typeUtils from '@electron/internal/common/type-utils';
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import { IPC_MESSAGES } from '@electron/internal/common/ipc-messages';
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const eventBinding = process._linkedBinding('electron_browser_event');
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const emitCustomEvent = function (contents: WebContents, eventName: string, ...args: any[]) {
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const event = eventBinding.createWithSender(contents);
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app.emit(eventName, event, contents, ...args);
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contents.emit(eventName, event, ...args);
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return event;
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};
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const logStack = function (contents: WebContents, code: string, stack: string) {
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if (stack) {
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console.warn(`WebContents (${contents.id}): ${code}`, stack);
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}
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};
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// Implements window.close()
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ipcMainInternal.on(IPC_MESSAGES.BROWSER_WINDOW_CLOSE, function (event) {
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const window = event.sender.getOwnerBrowserWindow();
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if (window) {
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window.close();
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}
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event.returnValue = null;
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});
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ipcMainInternal.handle(IPC_MESSAGES.BROWSER_GET_LAST_WEB_PREFERENCES, function (event) {
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return event.sender.getLastWebPreferences();
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});
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// Methods not listed in this set are called directly in the renderer process.
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const allowedClipboardMethods = (() => {
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switch (process.platform) {
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case 'darwin':
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return new Set(['readFindText', 'writeFindText']);
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case 'linux':
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return new Set(Object.keys(clipboard));
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default:
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return new Set();
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}
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})();
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ipcMainUtils.handleSync(IPC_MESSAGES.BROWSER_CLIPBOARD_SYNC, function (event, method: string, ...args: any[]) {
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if (!allowedClipboardMethods.has(method)) {
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throw new Error(`Invalid method: ${method}`);
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}
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return typeUtils.serialize((clipboard as any)[method](...typeUtils.deserialize(args)));
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});
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if (BUILDFLAG(ENABLE_DESKTOP_CAPTURER)) {
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const desktopCapturer = require('@electron/internal/browser/desktop-capturer');
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ipcMainInternal.handle(IPC_MESSAGES.DESKTOP_CAPTURER_GET_SOURCES, async function (event, options: Electron.SourcesOptions, stack: string) {
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logStack(event.sender, 'desktopCapturer.getSources()', stack);
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const customEvent = emitCustomEvent(event.sender, 'desktop-capturer-get-sources');
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if (customEvent.defaultPrevented) {
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console.error('Blocked desktopCapturer.getSources()');
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return [];
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}
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return typeUtils.serialize(await desktopCapturer.getSourcesImpl(event, options));
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});
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}
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const getPreloadScript = async function (preloadPath: string) {
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let preloadSrc = null;
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let preloadError = null;
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try {
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preloadSrc = (await fs.promises.readFile(preloadPath)).toString();
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} catch (error) {
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preloadError = error;
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}
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return { preloadPath, preloadSrc, preloadError };
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};
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ipcMainUtils.handleSync(IPC_MESSAGES.BROWSER_SANDBOX_LOAD, async function (event) {
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const preloadPaths = event.sender._getPreloadPaths();
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return {
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preloadScripts: await Promise.all(preloadPaths.map(path => getPreloadScript(path))),
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process: {
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arch: process.arch,
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platform: process.platform,
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env: { ...process.env },
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version: process.version,
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versions: process.versions,
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execPath: process.helperExecPath
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}
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};
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});
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ipcMainInternal.on(IPC_MESSAGES.NAVIGATION_CONTROLLER_GO_BACK, function (event) {
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event.sender.goBack();
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});
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ipcMainInternal.on(IPC_MESSAGES.NAVIGATION_CONTROLLER_GO_FORWARD, function (event) {
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event.sender.goForward();
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});
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ipcMainInternal.on(IPC_MESSAGES.NAVIGATION_CONTROLLER_GO_TO_OFFSET, function (event, offset) {
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event.sender.goToOffset(offset);
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});
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ipcMainInternal.on(IPC_MESSAGES.NAVIGATION_CONTROLLER_LENGTH, function (event) {
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event.returnValue = event.sender.length();
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});
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ipcMainInternal.on(IPC_MESSAGES.BROWSER_PRELOAD_ERROR, function (event, preloadPath: string, error: Error) {
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event.sender.emit('preload-error', event, preloadPath, error);
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});
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ipcMainInternal.handle(IPC_MESSAGES.NATIVE_IMAGE_CREATE_THUMBNAIL_FROM_PATH, async (_, path: string, size: Electron.Size) => {
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return typeUtils.serialize(await nativeImage.createThumbnailFromPath(path, size));
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});
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