为什么铬取消CORS OPTION请求 [英] Why Chrome cancel CORS OPTION request

问题描述

在我的应用程序，我创建从HTTP AJAX请求到HTTPS。这意味着我需要CORS。所以，我想补充一些头，而params为jQuery.ajax并对其进行测试。在Firefox中逝去的工程确定，但在Chrome并非如此。 Chrome浏览器杀每preflighed请求（选项）。

in my app I'm creating AJAX request from HTTP to HTTPS. This means I need CORS. So I add some headers and params to jQuery.ajax and test it. In Firefox everythings works OK, but in Chrome not. Chrome "kill" every preflighed request (OPTIONS).

jQuery脚本：

$(document).on('click', 'a.ajax', function(e) {
    e.preventDefault();
    $.ajax(this.href, {
        type: 'GET',
        dataType: 'json',
        crossDomain: false,
        headers: {'X-Requested-With': 'XMLHttpRequest'},
        xhrFields: {
            withCredentials: true
        }
    });
    return false;
});

HTTP转储：

HTTP dump:

> OPTIONS /foo HTTP/1.1
> User-Agent: curl/7.29.0
> Host: local.bar.cz
> Accept: */*
> Access-Control-Request-Headers:accept, origin, x-requested-with
> Access-Control-Request-Method:GET
> Origin:http://local.bar.cz
> 
< HTTP/1.1 204
< Server: nginx/1.2.7
< Date: Wed, 27 Feb 2013 15:06:54 GMT
< Content-Type: text/html; charset=utf-8
< Connection: keep-alive
< X-Powered-By: Nette Framework
< X-Frame-Options: SAMEORIGIN
< Access-Control-Allow-Origin: http://local.bar.cz
< Access-Control-Allow-Credentials: true
< Access-Control-Allow-Headers: accept, origin, x-requested-with
< Access-Control-Allow-Methods: OPTIONS, GET, POST, HEAD
< 

任何人知道为什么镀铬杀了这一要求？

any one knows why chrome kill this request?

推荐答案

也许你的HTTPS服务器有一个不可信证书。如果是这样，尝试访问的URL与浏览器的第一，并接受不受信任的连接。

Maybe your https server has an untrusted certificate. If so, try accessing to the URL with your browser first, and accepting the untrusted connection.

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