Function setupWebContentsViewWebContentsHandlers

app/src/main/mainWindow.ts:524–600

(contents: Electron.WebContents)

}

function setupWebContentsViewWebContentsHandlers(contents: Electron.WebContents) {
  contents.setWindowOpenHandler((details: Electron.HandlerDetails) => {
    try {
      log.log('WebContentsView Window open handler called with details:', details)
      // If there is a frame name or features provided we assume the request
      // is part of a auth flow and we create a new isolated window for it
      const shouldCreateWindow =
        details.disposition === 'new-window' &&
        (details.frameName !== '' || details.features !== '')

      if (shouldCreateWindow) {
        // IMPORTANT NOTE: DO NOT expose any sort of Node.js capabilities to the newly
        // created window here. The creation of it is controlled from the renderer. Because
        // of this, Surf won't play well with websites that for some reason utilizes more
        // than one window. In the future, Each new window we create should receive its own
        // instance of Surf.
        return {
          action: 'allow',
          createWindow: undefined,
          outlivesOpener: false,
          overrideBrowserWindowOptions: {
            webPreferences: {
              contextIsolation: true,
              nodeIntegration: false,
              sandbox: true,
              webSecurity: true
            }
          }
        }
      }

      const url = new URL(details.url)
      if (
        url.protocol === 'surf:' ||
        url.protocol === 'surflet:' ||
        url.protocol === 'surf-internal:'
      ) {
        log.warn('[main] Denied new window request:', details)
        return { action: 'deny' }
      }

      const mainWindow = getMainWindow()
      if (mainWindow) {
        log.log(
          '[main] Sending new window request to main window:',
          contents.id,
          details.url,
          details.disposition
        )
        IPC_EVENTS_MAIN.newWindowRequest.sendToWebContents(mainWindow.webContents, {
          url: details.url,
          disposition: details.disposition,
          webContentsId: contents.id
        })
      } else {
        log.warn('[main] No main window, cannot send new window request:', details)
      }