Examples with CorsHandler io.gravitee.gateway.handlers.api.cors.CorsHandler used on opensource projects

Example 1 with CorsHandler

use of io.gravitee.gateway.handlers.api.cors.CorsHandler in project gravitee-gateway by gravitee-io.

the class ApiReactorHandler method doHandle.

@Override
protected void doHandle(Request serverRequest, Response serverResponse, Handler<Response> handler) {
    // Prepare request execution context
    ExecutionContext executionContext = executionContextFactory.create(serverRequest);
    executionContext.setAttribute(ExecutionContext.ATTR_CONTEXT_PATH, serverRequest.contextPath());
    try {
        // Set execution context attributes and metrics specific to this handler
        serverRequest.metrics().setApi(api.getId());
        executionContext.setAttribute(ExecutionContext.ATTR_API, api.getId());
        executionContext.setAttribute(ExecutionContext.ATTR_INVOKER, invoker);
        // Enable logging at client level
        if (api.getProxy().getLoggingMode().isClientMode()) {
            serverRequest = new LoggableClientRequest(serverRequest);
            serverResponse = new LoggableClientResponse(serverRequest, serverResponse);
        }
        Cors cors = api.getProxy().getCors();
        if (cors != null && cors.isEnabled()) {
            Request finalServerRequest = serverRequest;
            Response finalServerResponse = serverResponse;
            new CorsHandler(cors).responseHandler(new Handler<Response>() {

                @Override
                public void handle(Response response) {
                    handleClientRequest(finalServerRequest, finalServerResponse, executionContext, new CorsResponseHandler(handler));
                }
            }).handle(serverRequest, serverResponse, handler);
        } else {
            handleClientRequest(serverRequest, serverResponse, executionContext, handler);
        }
    } catch (Exception ex) {
        logger.error("An unexpected error occurs while processing request", ex);
        serverRequest.metrics().setMessage(Throwables.getStackTraceAsString(ex));
        // Send an INTERNAL_SERVER_ERROR (500)
        serverResponse.status(HttpStatusCode.INTERNAL_SERVER_ERROR_500);
        serverResponse.headers().set(HttpHeaders.CONNECTION, HttpHeadersValues.CONNECTION_CLOSE);
        serverResponse.end();
        handler.handle(serverResponse);
    }
}