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Add allowed origins env var to cors config #61

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Merged
levontikoyan merged 2 commits into from
Oct 30, 2025
Merged

Add allowed origins env var to cors config #61

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f6a30e9
Add allowed origins env var to cors config
levontikoyan Oct 30, 2025
6677f78
fix
levontikoyan Oct 30, 2025
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4 changes: 2 additions & 2 deletions .env.example
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Original file line number Diff line number Diff line change
Expand Up @@ -63,5 +63,5 @@ KEYCLOAK_ISSUER=
KEYCLOAK_CLIENT_ID=
KEYCLOAK_JWKS_URL=

# LIFECYCLE UI
LIFECYCLE_UI_URL='http://localhost:3000'
# CORS
ALLOWED_ORIGINS='https://example.com,https://staging.example.com'
2 changes: 1 addition & 1 deletion next.config.js
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Expand Up @@ -66,7 +66,7 @@ module.exports = {
KEYCLOAK_ISSUER: process.env.KEYCLOAK_ISSUER,
KEYCLOAK_CLIENT_ID: process.env.KEYCLOAK_CLIENT_ID,
KEYCLOAK_JWKS_URL: process.env.KEYCLOAK_JWKS_URL,
LIFECYCLE_UI_URL: process.env.LIFECYCLE_UI_URL,
ALLOWED_ORIGINS: process.env.ALLOWED_ORIGINS,
},
typescript: {
ignoreBuildErrors: true,
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17 changes: 11 additions & 6 deletions src/server/middlewares/cors.ts
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Expand Up @@ -17,14 +17,19 @@
import { NextResponse } from 'next/server';
import type { Middleware } from './chain';

const corsHeaders = {
'Access-Control-Allow-Origin': process.env.LIFECYCLE_UI_URL,
'Access-Control-Allow-Credentials': 'true',
'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
'Access-Control-Allow-Headers': 'Content-Type, Authorization',
};
const allowedOrigins = process.env.ALLOWED_ORIGINS?.split(',').map((o) => o.trim()) ?? [];

export const corsMiddleware: Middleware = async (request, next) => {
const origin = request.headers.get('origin');
const isAllowedOrigin = origin && allowedOrigins.includes(origin);

const corsHeaders: Record<string, string> = {
'Access-Control-Allow-Origin': isAllowedOrigin ? origin : allowedOrigins[0],
'Access-Control-Allow-Credentials': 'true',
'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
'Access-Control-Allow-Headers': 'Content-Type, Authorization',
};

if (request.method === 'OPTIONS') {
return new NextResponse(null, { status: 204, headers: corsHeaders });
}
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