Security: disable remote module in webviews

This commit is contained in:
Alice Gaudon 2020-04-01 09:53:00 +02:00
parent 041d97154f
commit b1702cfb2c
2 changed files with 133 additions and 132 deletions

View File

@ -1,6 +1,8 @@
const {
remote,
ipcRenderer,
clipboard,
shell,
} = require('electron');
const {
Menu,
@ -342,9 +344,9 @@ function loadService(serviceId, service) {
document.querySelector('#services > .loader').classList.remove('hidden');
service.view = document.createElement('webview');
service.view.setAttribute('enableRemoteModule', 'false');
service.view.setAttribute('partition', 'persist:service_' + service.partition);
service.view.setAttribute('autosize', 'true');
service.view.setAttribute('preload', 'js/service-webview.js');
service.view.setAttribute('src', emptyPage);
// Append element to DOM
@ -371,12 +373,16 @@ function loadService(serviceId, service) {
}
});
const webContents = remote.webContents.fromId(service.view.getWebContentsId());
// Set custom user agent
if (typeof service.customUserAgent === 'string') {
let webContents = remote.webContents.fromId(service.view.getWebContentsId());
webContents.setUserAgent(service.customUserAgent);
}
// Set context menu
setContextMenu(webContents);
// Set permission request handler
session.fromPartition(service.view.partition)
.setPermissionRequestHandler(((webContents, permission, callback, details) => {
@ -507,3 +513,128 @@ function goBack() {
let view = services[selectedService].view;
if (view) remote.webContents.fromId(view.getWebContentsId()).goBack();
}
function setContextMenu(webContents) {
webContents.on('context-menu', (event, props) => {
const menu = new Menu();
const {editFlags} = props;
// linkURL
if (props.linkURL.length > 0) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Copy link URL',
click: () => {
clipboard.writeText(props.linkURL);
},
}));
menu.append(new MenuItem({
label: 'Open URL in default browser',
click: () => {
if (props.linkURL.startsWith('https://')) {
shell.openExternal(props.linkURL);
}
},
}));
}
// Image
if (props.hasImageContents) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Copy image',
click: () => {
webContents.copyImageAt(props.x, props.y);
},
}));
menu.append(new MenuItem({
label: 'Save image as',
click: () => {
webContents.downloadURL(props.srcURL);
},
}));
}
// Text clipboard
if (editFlags.canUndo || editFlags.canRedo || editFlags.canCut || editFlags.canCopy || editFlags.canPaste || editFlags.canDelete) {
if (editFlags.canUndo || editFlags.canRedo) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
if (editFlags.canUndo) {
menu.append(new MenuItem({
label: 'Undo',
role: 'undo',
}));
}
if (editFlags.canRedo) {
menu.append(new MenuItem({
label: 'Redo',
role: 'redo',
}));
}
}
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Cut',
role: 'cut',
enabled: editFlags.canCut,
}));
menu.append(new MenuItem({
label: 'Copy',
role: 'copy',
enabled: editFlags.canCopy,
}));
menu.append(new MenuItem({
label: 'Paste',
role: 'paste',
enabled: editFlags.canPaste,
}));
menu.append(new MenuItem({
label: 'Delete',
role: 'delete',
enabled: editFlags.canDelete,
}));
}
if (editFlags.canSelectAll) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Select all',
role: 'selectAll',
}));
}
// Inspect element
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Inspect element',
click: () => {
webContents.inspectElement(props.x, props.y);
},
}));
menu.popup({
window: remote.getCurrentWindow(),
});
});
}

View File

@ -1,130 +0,0 @@
const {
remote,
clipboard,
} = require('electron');
const {
Menu,
MenuItem,
} = remote;
const webContents = remote.getCurrentWebContents();
webContents.on('context-menu', (event, props) => {
const menu = new Menu();
const {editFlags} = props;
// linkURL
if (props.linkURL.length > 0) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Copy link URL',
click: () => {
clipboard.writeText(props.linkURL);
},
}));
menu.append(new MenuItem({
label: 'Open URL in default browser',
click: () => {
window.open(props.linkURL, '_blank');
},
}));
}
// Image
if (props.hasImageContents) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Copy image',
click: () => {
webContents.copyImageAt(props.x, props.y);
},
}));
menu.append(new MenuItem({
label: 'Save image as',
click: () => {
webContents.downloadURL(props.srcURL);
},
}));
}
// Text clipboard
if (editFlags.canUndo || editFlags.canRedo || editFlags.canCut || editFlags.canCopy || editFlags.canPaste || editFlags.canDelete) {
if (editFlags.canUndo || editFlags.canRedo) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
if (editFlags.canUndo) {
menu.append(new MenuItem({
label: 'Undo',
role: 'undo',
}));
}
if (editFlags.canRedo) {
menu.append(new MenuItem({
label: 'Redo',
role: 'redo',
}));
}
}
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Cut',
role: 'cut',
enabled: editFlags.canCut,
}));
menu.append(new MenuItem({
label: 'Copy',
role: 'copy',
enabled: editFlags.canCopy,
}));
menu.append(new MenuItem({
label: 'Paste',
role: 'paste',
enabled: editFlags.canPaste,
}));
menu.append(new MenuItem({
label: 'Delete',
role: 'delete',
enabled: editFlags.canDelete,
}));
}
if (editFlags.canSelectAll) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Select all',
role: 'selectAll',
}));
}
// Inspect element
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Inspect element',
click: () => {
webContents.inspectElement(props.x, props.y);
},
}));
menu.popup({
window: remote.getCurrentWindow(),
});
});