cors

问题 I have an ASP.NET Web Api 2.0 project with token authentication and everything done mainly following this article: Token Based Authentication using ASP.NET Web API 2, Owin, and Identity, Bit Of Technology But I am struggling to understand what exactly this line of code in my Startup.cs does: app.UseCors(Microsoft.Owin.Cors.CorsOptions.AllowAll); This does not make the Web Api add the Access-Control-Allow-Origin header to my API responses, in other words it does not enable Cors in my Web Api

问题 I'm trying to make a POST to my API from an Angularjs client, I have this configuration on the server which is running in another domain: app.use(function(req, res, next) { res.setHeader('Access-Control-Allow-Origin', '*'); res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, OPTIONS, DETELE'); res.setHeader('Access-Control-Allow-Headers', '*'); next(); }); The headers sent to the server are: OPTIONS /api/authenticate HTTP/1.1 Host: xxxx.herokuapp.com Connection: keep-alive Access

问题 I'm trying to make a POST request with CORS. I've a class that adds the correct response header on my methods inside my controller using System; using System.Web.Mvc; public class AllowCrossSiteAttribute : ActionFilterAttribute { public override void OnActionExecuting(ActionExecutingContext filterContext) { filterContext.RequestContext.HttpContext.Response.AddHeader("Access-Control-Allow-Origin", "http://localhost:4200"); filterContext.RequestContext.HttpContext.Response.AddHeader("Access

问题 Firebase Function const functions = require('firebase-functions'); const admin = require('firebase-admin'); const cors = require('cors')({ origin: true }); exports.addMessage = functions.https.onCall((data, context) => { return { text: "Test" }; }); Issue The problem is when i call this function from the app i first get finished with status code: 204 and after that finished with status code: 200 204 How can i prevent this? 回答1: This is normal, and you shouldn't do anything to prevent it. The

问题 I want to make HTTPS calls from an HTTP webpage. I hope to solve this problem with Access-Control-Allow-Origin . How can I use it? 回答1: On the HTTPS page (that you are requesting from the HTTP page) set the header: Access-Control-Allow-Origin: http://www.example.com You can do this in PHP with: <?php header("Access-Control-Allow-Origin: http://www.requesting-page.com"); ?> Alternatively if that doesn't work, you could create a file on your HTTP server (where the request is coming from) that

问题 We are working with Atom Shell (Currently known as electron) to wrap a web application as desktop app and having trouble making cross domain ajax calls due to CORS restriction. We also tried nw.js (Formerly known as Node-Webkit) and we had no problem making cross domain ajax call with it. Is Atom Shell (Electron) restricts cross domain calls by default ? 回答1: If the webpage is loaded in "file://" mode and not served by an http server, you can make ajax calls by default. If you still have

问题 I'm using Gravity Forms on a WP site. My forms POST via ajax to Pardot using Pardot form handlers. I am running into an issue where Pardot processes the form 6x, with no other errors. Research indicates that this is because Pardot does not support CORS or JSONP, and thus gets stuck in a loop when using ajax to submit. It's processing the submission but never "finishing" when the form handler's Success URL is set as referring URL. It tries 6x before giving up, processing the submitted data and

问题 In IE9, I am attempting to make a cross origin request with cookies. However, even when I have the Access-Control-Allow-Origin, Access-Control-Allow-Credentials, Access-Control-Allow-Methods all set to the appropriate values (the origin domain, true, and GET, POST), IE9 still isn't sending or setting cookies from the request. Here's the script I'm using: var xdr = new XDomainRequest() xdr.open("http://mydomain.com/cors.php") xdr.withCredentials = true; xdr.send(); Any idea on how to get

问题 For my local development system I am trying to serve front-end assets using grunt-contrib-connect. I need a cross-domain solution for using fonts in Firefox. The server runs just fine, but I cannot seem to get the headers set. I am using version 0.7.1 of grunt-contrib-connect. connect: { dev: { options: { port: '9001', base: 'build', hostname: 'localhost', keepalive: true, middleware: function(connect, options, middlewares) { // inject a custom middleware into the array of default middlewares

问题 I get While attempting to enable CORS on API Gateway, why is that and how do I resolve this? These functions are deployed using AWS SAM. But I notice if I create my own APIs via AWS Console this happens too The errors looks like: invalid model name specified application/json=Empty invalid response status code specified I found I seem to need to add an "Empty" response model myself? Now, I get Add Access-Control-Allow-Origin Integration Response Header Mapping to POST method (invalid response