Skip to content

fix(react-scripts): do not set allowedHosts if undefined #11877

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
+7 −3
Open

fix(react-scripts): do not set allowedHosts if undefined #11877

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 7 additions & 3 deletions packages/react-scripts/config/webpackDevServer.config.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,12 @@ const sockPath = process.env.WDS_SOCKET_PATH; // default: '/ws'
const sockPort = process.env.WDS_SOCKET_PORT;

module.exports = function (proxy, allowedHost) {
const disableFirewall =
!proxy || process.env.DANGEROUSLY_DISABLE_HOST_CHECK === 'true';
let allowedHosts;
if (!proxy || process.env.DANGEROUSLY_DISABLE_HOST_CHECK === 'true') {
allowedHosts = 'all';
} else if (allowedHost != null) {
allowedHosts = [allowedHost];
}
Comment on lines +25 to +30
Copy link

@gustavomoser gustavomoser Sep 14, 2022 •
edited
Loading

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I think a simpler way could be something like

const disableFirewall = !proxy || process.env.DANGEROUSLY_DISABLE_HOST_CHECK === 'true';
return {
    ... 
    allowedHosts: disableFirewall ? 'all' : allowedHost ? [allowedHost] : undefined,
    ...
};

return {
// WebpackDevServer 2.4.3 introduced a security fix that prevents remote
// websites from potentially accessing local content through DNS rebinding:
Expand All @@ -43,7 +47,7 @@ module.exports = function (proxy, allowedHost) {
// really know what you're doing with a special environment variable.
// Note: ["localhost", ".localhost"] will support subdomains - but we might
// want to allow setting the allowedHosts manually for more complex setups
allowedHosts: disableFirewall ? 'all' : [allowedHost],
allowedHosts,
headers: {
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Methods': '*',
Expand Down