无法获得401响应正文 [英] Can't get 401 response body

问题描述

我设法使用 jQuery.ajax（）来获得JSON的内容。目前，它将从另一台主机包含一个单一的index.php文件返回401响应，其内容体内容： {状态：401}

I managed to get JSON content using jQuery.ajax(). Currently, it fetches the content from another host containing a single index.php file returning a 401 response with the following body: {'status':401}.

这是JS：

$(document).ready(function() {
    $.ajax({
        url: 'http://restapi',
        type: 'GET',
        dataType: 'json',
        success: function() { document.write('works'); },
        error: function(xhr) { document.write('failed, status:' + xhr.status); },
        beforeSend: setHeader
    });
});

function setHeader(xhr) {
    xhr.setRequestHeader('Authorization', 'Bearer 12345');
}

和PHP的：

<?php

header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Methods: GET, POST, OPTIONS");
header('Access-Control-Allow-Credentials: true');
header("Access-Control-Allow-Headers: X-Requested-With, Authorization");

header("HTTP/1.1 401 Unauthorized");

echo json_encode(['status' => 401]);

exit;

如果我删除标题， xhr.setRequestHeader（'授权'，'承载12345'）; ，一切工作正常（响应有一个JSON的身体和 xhr.status 返回 401 ）。但随着Authorization头身返回任何内容并 xhr.status 返回 0 。

If I remove the header, xhr.setRequestHeader('Authorization', 'Bearer 12345');, everything works fine (the response has a json body and xhr.status returns 401). But with the Authorization header the body returns nothing and xhr.status returns 0.

我需要发送的身份验证令牌在这头。

I need to send the auth token in that header.

推荐答案

我在使用Node.js的同样的事情，发现它派了两个请求/响应。一个具有204头和另一个与预期401和JSON体。第一种方法是OPTIONS和第二个方法是GET，所以我想用这样的：

I made the same thing using Node.js and noticed it sent two requests/responses. One with a 204 header and another with the intended 401 and the json body. First method was OPTIONS and second method was GET, so I tried it with this:

if($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
    header("HTTP/1.1 204 No Content");
} else {
    header("HTTP/1.1 401 Unauthorized");
    echo json_encode(['status' => 401]);
}

工作正常。

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