cors

问题 I want allow Cross-origin resource sharing from all the sub-domain of from.example.com . So I added Cross-origin resource sharing header as given below to a page in subdomain1.to.example.com . <?php header('Access-Control-Allow-Origin: *.from.example.com'); And I tried to access the page form subdomain1.from.example.com using ajax. I didn't get the response. So I just changed the above header as given below. <?php header('Access-Control-Allow-Origin: http://subdomain1.from.example.com'); It

问题 Cross-site scripting (XSS) is mentioned in the Wikipedia page for CORS. But I don't see how they are related. What's the connection between CORS and XSS? 回答1: XSS is mentioned on the Wikipedia article in relation to JSONP, not CORS. In JSONP you reference a page containing data you want to include client side in your page like so: <script src="https://example.com/jsonp.aspx?callback=foo"></script> You then have a JavaScript function on your page called foo that will be called by the external

问题 I have got CORS working on my current project, although one thing I cannot seem to get working correctly is the cookies. Now I get the cookie fine, the server issues it and sends it down and firefox accepts it, I can see it in the firebug cookies section. However when I make subsequent calls to that service it doesnt seem to send the cookie in the header... GET /some/entity/ HTTP/1.1 Host: localhost:1837 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:5.0) Gecko/20100101 Firefox/5.0 Accept

问题 I am using fetch() to grab data from api server. My error looks like this: Uncaught (in promise) SyntaxError: Unexpected end of input at fetch.then.blob. Can you please tell me what am I doing wrong. const weatherAPi ='https://www.metaweather.com/api/location/523920'; fetch(weatherAPi, { mode: 'no-cors' }).then(blob => blob.json()) .then(data => console.log(data)) 回答1: A response for no-cors request to cross-origin resource has a response type of 'opaque'. If you log the response before

问题 I am using fetch() to grab data from api server. My error looks like this: Uncaught (in promise) SyntaxError: Unexpected end of input at fetch.then.blob. Can you please tell me what am I doing wrong. const weatherAPi ='https://www.metaweather.com/api/location/523920'; fetch(weatherAPi, { mode: 'no-cors' }).then(blob => blob.json()) .then(data => console.log(data)) 回答1: A response for no-cors request to cross-origin resource has a response type of 'opaque'. If you log the response before

问题 I have this problem, when I try to log in users on my website through facebook using XHR my request gets blocked, however if I copy the URL of the XHR request and paste it in the browser I get logged in. So here's a simple schematic: Why is xhr getting blocked on the same url a browser can access? 回答1: Why is xhr getting blocked on the same url a browser can access? Because it is a cross-domain request, and as such the remote party would have to allow that request first, which is what is

问题 I have this problem, when I try to log in users on my website through facebook using XHR my request gets blocked, however if I copy the URL of the XHR request and paste it in the browser I get logged in. So here's a simple schematic: Why is xhr getting blocked on the same url a browser can access? 回答1: Why is xhr getting blocked on the same url a browser can access? Because it is a cross-domain request, and as such the remote party would have to allow that request first, which is what is

问题 I am facing problem related to cross domain PUT call , i have allowed Access-Control-Allow-Origin from server side put still it doesn't work. @PUT @Path("/getresponse/{caller}") @Produces({MediaType.APPLICATION_JSON}) public Response getResponseData(@PathParam("caller") String caller ,@QueryParam("ticket")String ticket ,@FormParam("formParam") String data){ ResponseBuilder resp; System.out.println("name of caller is -> "+ caller); System.out.println("query param ticket -> "+ ticket); System

问题 I am trying to to use a texture from my own hosted webserver but putting it into the asset-item tag I get the following error. > Access to Image at 'http://192.168.137.1:3000/cat2.jpg' from origin > 'http://localhost' has been blocked by CORS policy: No > 'Access-Control-Allow-Origin' header is present on the requested > resource. Origin 'http://localhost' is therefore not allowed access. The picture is accessible, since I can see it in the webinspector. It works perfectly in a simple image

问题 I'm trying to get the data URL for an image. The image is coming from a cross origin remote server, Wikipedia. I use this JavaScript to try to do it: # get the image const img = document.createElement('img') img.src = 'https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Strychnine.svg/360px-Strychnine.svg.png' # don't send credentials with this request img.crossOrigin = 'anonymous' # now copy to a <canvas /> to get data URL const canvas = document.createElement('canvas') canvas.width =