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Added Strict CORS Policies #454

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Merged
Abdulazeem-code merged 1 commit into from
Aug 4, 2026
Merged

Added Strict CORS Policies #454

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6 changes: 6 additions & 0 deletions stellar-payment-platform/.env.example
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Original file line number Diff line number Diff line change
Expand Up @@ -45,3 +45,9 @@ DATABASE_URL="postgresql://postgres:postgres@localhost:5432/stellar_tags?schema=
# --- Admin API Key -------------------------------------------------------------
# Key used to authenticate with protected admin endpoints (e.g., blocking addresses)
ADMIN_API_KEY="your-secure-admin-api-key-here"

# --- CORS ------------------------------------------------------------------
# Extra origins allowed to call the API, beyond the built-in localhost/vercel
# defaults. Accepts a single origin or a comma-separated list.
# CORS_ALLOWED_ORIGINS="https://example.com,https://staging.example.com"
# VITE_API_BASE="https://api.yourdomain.com"
10 changes: 9 additions & 1 deletion stellar-payment-platform/server.js
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Expand Up @@ -81,26 +81,34 @@ app.set('query parser', 'simple');
const PORT = process.env.PORT || 5000;
const STELLAR_TAG_DOMAIN = process.env.STELLAR_TAG_DOMAIN;

const envOrigins = process.env.CORS_ALLOWED_ORIGINS
? process.env.CORS_ALLOWED_ORIGINS.split(',').map(o => o.trim())
: [];

const allowedOrigins = [
'http://localhost:5173',
'http://localhost:3000',
'https://stellar-tags.vercel.app',
STELLAR_TAG_DOMAIN,
process.env.VITE_API_BASE,
...envOrigins,
].filter(Boolean);

const corsOptions = {
origin: (origin, callback) => {
if (!origin || allowedOrigins.includes(origin)) {
return callback(null, true);
}
return callback(null, false);
return callback(new Error('Not allowed by CORS'));
},
methods: ['GET', 'POST', 'PUT', 'PATCH', 'DELETE', 'OPTIONS'],
allowedHeaders: ['Content-Type', 'Authorization'],
credentials: true,
optionsSuccessStatus: 204,
};

app.use(cors(corsOptions));

// Apply metrics middleware to track all HTTP requests
app.use(metricsMiddleware);

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