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2025-09-14 16:24:10 +05:00
parent eccfeda5f0
commit 203c4c55a2
1 changed files with 49 additions and 18 deletions
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src/main/java/konturai/kz/api_gateway/filter/CorsHeaderFilter.java
+37 -6
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@@ -16,10 +16,20 @@ public class CorsHeaderFilter implements GlobalFilter, Ordered {
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
ServerHttpRequest request = exchange.getRequest();
// Handle preflight requests immediately
if (request.getMethod().name().equals("OPTIONS")) {
ServerHttpResponse response = exchange.getResponse();
HttpHeaders headers = response.getHeaders();
// Always set CORS headers first
// Clear any existing CORS headers
headers.remove(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN);
headers.remove(HttpHeaders.ACCESS_CONTROL_ALLOW_METHODS);
headers.remove(HttpHeaders.ACCESS_CONTROL_ALLOW_HEADERS);
headers.remove(HttpHeaders.ACCESS_CONTROL_ALLOW_CREDENTIALS);
headers.remove(HttpHeaders.ACCESS_CONTROL_MAX_AGE);
// Set CORS headers for preflight
String origin = request.getHeaders().getFirst(HttpHeaders.ORIGIN);
if (origin != null && isAllowedOrigin(origin)) {
headers.set(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN, origin);
@@ -32,14 +42,35 @@ public class CorsHeaderFilter implements GlobalFilter, Ordered {
headers.set(HttpHeaders.ACCESS_CONTROL_ALLOW_CREDENTIALS, "true");
headers.set(HttpHeaders.ACCESS_CONTROL_MAX_AGE, "3600");
// Handle preflight requests immediately
if (request.getMethod().name().equals("OPTIONS")) {
response.setStatusCode(org.springframework.http.HttpStatus.OK);
return Mono.empty();
}
// For non-preflight requests, continue to downstream service
return chain.filter(exchange);
// For non-preflight requests, process after the downstream service responds
return chain.filter(exchange).then(Mono.fromRunnable(() -> {
ServerHttpResponse response = exchange.getResponse();
HttpHeaders headers = response.getHeaders();
// Clear any existing CORS headers from downstream service
headers.remove(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN);
headers.remove(HttpHeaders.ACCESS_CONTROL_ALLOW_METHODS);
headers.remove(HttpHeaders.ACCESS_CONTROL_ALLOW_HEADERS);
headers.remove(HttpHeaders.ACCESS_CONTROL_ALLOW_CREDENTIALS);
headers.remove(HttpHeaders.ACCESS_CONTROL_MAX_AGE);
// Set our CORS headers
String origin = request.getHeaders().getFirst(HttpHeaders.ORIGIN);
if (origin != null && isAllowedOrigin(origin)) {
headers.set(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN, origin);
} else {
headers.set(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN, "https://konturai.kz");
}
headers.set(HttpHeaders.ACCESS_CONTROL_ALLOW_METHODS, "GET, POST, PUT, DELETE, OPTIONS");
headers.set(HttpHeaders.ACCESS_CONTROL_ALLOW_HEADERS, "*");
headers.set(HttpHeaders.ACCESS_CONTROL_ALLOW_CREDENTIALS, "true");
headers.set(HttpHeaders.ACCESS_CONTROL_MAX_AGE, "3600");
}));
}
private boolean isAllowedOrigin(String origin) {
@@ -52,6 +83,6 @@ public class CorsHeaderFilter implements GlobalFilter, Ordered {
@Override
public int getOrder() {
return -1; // High priority to run before other filters
return 1000; // Low priority to run after other filters and downstream services
}
}