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rpc-server.js
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rpc-server.js
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'use strict'
const electron = require('electron')
const fs = require('fs')
const eventBinding = process.electronBinding('event')
const clipboard = process.electronBinding('clipboard')
const features = process.electronBinding('features')
const { crashReporterInit } = require('@electron/internal/browser/crash-reporter-init')
const { ipcMainInternal } = require('@electron/internal/browser/ipc-main-internal')
const ipcMainUtils = require('@electron/internal/browser/ipc-main-internal-utils')
const guestViewManager = require('@electron/internal/browser/guest-view-manager')
const clipboardUtils = require('@electron/internal/common/clipboard-utils')
const {
Promise
} = capturedGlobals
const emitCustomEvent = function (contents, eventName, ...args) {
const event = eventBinding.createWithSender(contents)
electron.app.emit(eventName, event, contents, ...args)
contents.emit(eventName, event, ...args)
return event
}
const logStack = function (contents, code, stack) {
if (stack) {
console.warn(`WebContents (${contents.id}): ${code}`, stack)
}
}
// Implements window.close()
ipcMainInternal.on('ELECTRON_BROWSER_WINDOW_CLOSE', function (event) {
const window = event.sender.getOwnerBrowserWindow()
if (window) {
window.close()
}
event.returnValue = null
})
ipcMainUtils.handleSync('ELECTRON_CRASH_REPORTER_INIT', function (event, options) {
return crashReporterInit(options)
})
ipcMainInternal.handle('ELECTRON_BROWSER_GET_LAST_WEB_PREFERENCES', function (event) {
return event.sender.getLastWebPreferences()
})
// Methods not listed in this set are called directly in the renderer process.
const allowedClipboardMethods = (() => {
switch (process.platform) {
case 'darwin':
return new Set(['readFindText', 'writeFindText'])
case 'linux':
return new Set(Object.keys(clipboard))
default:
return new Set()
}
})()
ipcMainUtils.handleSync('ELECTRON_BROWSER_CLIPBOARD', function (event, method, ...args) {
if (!allowedClipboardMethods.has(method)) {
throw new Error(`Invalid method: ${method}`)
}
return clipboardUtils.serialize(electron.clipboard[method](...clipboardUtils.deserialize(args)))
})
if (features.isDesktopCapturerEnabled()) {
const desktopCapturer = require('@electron/internal/browser/desktop-capturer')
ipcMainInternal.handle('ELECTRON_BROWSER_DESKTOP_CAPTURER_GET_SOURCES', function (event, options, stack) {
logStack(event.sender, 'desktopCapturer.getSources()', stack)
const customEvent = emitCustomEvent(event.sender, 'desktop-capturer-get-sources')
if (customEvent.defaultPrevented) {
console.error('Blocked desktopCapturer.getSources()')
return []
}
return desktopCapturer.getSources(event, options)
})
}
const isRemoteModuleEnabled = features.isRemoteModuleEnabled()
? require('@electron/internal/browser/remote/server').isRemoteModuleEnabled
: () => false
const getPreloadScript = async function (preloadPath) {
let preloadSrc = null
let preloadError = null
try {
preloadSrc = (await fs.promises.readFile(preloadPath)).toString()
} catch (error) {
preloadError = error
}
return { preloadPath, preloadSrc, preloadError }
}
if (features.isExtensionsEnabled()) {
ipcMainUtils.handleSync('ELECTRON_GET_CONTENT_SCRIPTS', () => [])
} else {
const { getContentScripts } = require('@electron/internal/browser/chrome-extension')
ipcMainUtils.handleSync('ELECTRON_GET_CONTENT_SCRIPTS', () => getContentScripts())
}
ipcMainUtils.handleSync('ELECTRON_BROWSER_SANDBOX_LOAD', async function (event) {
const preloadPaths = event.sender._getPreloadPaths()
let contentScripts = []
if (!features.isExtensionsEnabled()) {
const { getContentScripts } = require('@electron/internal/browser/chrome-extension')
contentScripts = getContentScripts()
}
return {
contentScripts,
preloadScripts: await Promise.all(preloadPaths.map(path => getPreloadScript(path))),
isRemoteModuleEnabled: isRemoteModuleEnabled(event.sender),
isWebViewTagEnabled: guestViewManager.isWebViewTagEnabled(event.sender),
process: {
arch: process.arch,
platform: process.platform,
env: { ...process.env },
version: process.version,
versions: process.versions,
execPath: process.helperExecPath
}
}
})
ipcMainInternal.on('ELECTRON_BROWSER_PRELOAD_ERROR', function (event, preloadPath, error) {
event.sender.emit('preload-error', event, preloadPath, error)
})