Example usage for org.springframework.web.cors.reactive CorsUtils isPreFlightRequest

Introduction

In this page you can find the example usage for org.springframework.web.cors.reactive CorsUtils isPreFlightRequest.

Prototype

public static boolean isPreFlightRequest(ServerHttpRequest request) 

Source Link

Document

Returns true if the request is a valid CORS pre-flight one.

Usage

From source file:org.springframework.boot.actuate.autoconfigure.cloudfoundry.reactive.CloudFoundrySecurityInterceptor.java

Mono<SecurityResponse> preHandle(ServerWebExchange exchange, String endpointId) {
    ServerHttpRequest request = exchange.getRequest();
    if (CorsUtils.isPreFlightRequest(request)) {
        return SUCCESS;
    }/*from   ww w. j av a  2  s. c o m*/
    if (!StringUtils.hasText(this.applicationId)) {
        return Mono.error(new CloudFoundryAuthorizationException(Reason.SERVICE_UNAVAILABLE,
                "Application id is not available"));
    }
    if (this.cloudFoundrySecurityService == null) {
        return Mono.error(new CloudFoundryAuthorizationException(Reason.SERVICE_UNAVAILABLE,
                "Cloud controller URL is not available"));
    }
    return check(exchange, endpointId).then(SUCCESS).doOnError(this::logError)
            .onErrorResume(this::getErrorResponse);
}

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From source file:org.springframework.web.cors.reactive.DefaultCorsProcessor.java

@Override
public boolean process(@Nullable CorsConfiguration config, ServerWebExchange exchange) {

    ServerHttpRequest request = exchange.getRequest();
    ServerHttpResponse response = exchange.getResponse();

    if (!CorsUtils.isCorsRequest(request)) {
        return true;
    }/* w  ww  .j  av a2 s .c  o m*/

    if (responseHasCors(response)) {
        logger.debug("Skip CORS: response already contains \"Access-Control-Allow-Origin\" header");
        return true;
    }

    if (CorsUtils.isSameOrigin(request)) {
        logger.debug("Skip CORS: request is from same origin");
        return true;
    }

    boolean preFlightRequest = CorsUtils.isPreFlightRequest(request);
    if (config == null) {
        if (preFlightRequest) {
            rejectRequest(response);
            return false;
        } else {
            return true;
        }
    }

    return handleInternal(exchange, config, preFlightRequest);
}

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