Skip to content

fix: allowing headers from preflights #217

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

Closed
0xneves wants to merge 1 commit into from
Closed

fix: allowing headers from preflights #217

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
37 changes: 36 additions & 1 deletion indexer/src/kadena-server/server.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -268,12 +268,16 @@ export async function useKadenaGraphqlServer() {
'/graphql',
cors<cors.CorsRequest>({
origin: (origin, callback) => {
console.log('Received Origin', origin);
if (!origin || origin === 'null') {
return callback(null, false);
}

console.log('Origin is not null');

try {
if (isAllowedOrigin(origin)) {
console.log('Origin is allowed');
return callback(null, true);
}
return callback(new Error(`Origin ${origin} not allowed by CORS`));
Expand All @@ -282,14 +286,45 @@ export async function useKadenaGraphqlServer() {
}
},
methods: ['POST', 'OPTIONS'],
allowedHeaders: ['Content-Type', 'Authorization'],
allowedHeaders: [
'Content-Type',
'Authorization',
'Accept',
'Origin',
'X-Requested-With',
'Cache-Control',
'Pragma',
],
exposedHeaders: ['Access-Control-Allow-Origin'],
credentials: true,
preflightContinue: false,
optionsSuccessStatus: 204,
maxAge: 86400, // 24 hours
}),
expressMiddleware(server, {
context: createGraphqlContext,
}),
);

// Handle OPTIONS requests explicitly
app.options('*', (req: Request, res: Response) => {
const origin = req.headers.origin;
console.log('Handling Received Origin in Options', origin);
if (origin && isAllowedOrigin(origin)) {
res.setHeader('Access-Control-Allow-Origin', origin);
res.setHeader('Access-Control-Allow-Credentials', 'true');
res.setHeader('Access-Control-Allow-Methods', 'POST, OPTIONS');
res.setHeader(
'Access-Control-Allow-Headers',
'Content-Type, Authorization, Accept, Origin, X-Requested-With, Cache-Control, Pragma',
);
res.setHeader('Access-Control-Max-Age', '86400');
res.status(204).end();
} else {
res.status(403).end();
}
});

app.post('/new-block', ipFilterMiddleware, async (req, res) => {
const payload = await dispatchInfoSchema.safeParseAsync(req.body);
if (!payload.success) {
Expand Down