Wikipedia API支持CORS还是仅支持JSONP？

问题描述

这个问题与相关，这是一年前提出的问题。作者询问如何使用JavaScript和维基百科API创建跨网域请求，其中一个注释是：

This question related to another question, which was asked year ago. Author asked how to make cros-origin request using JavaScript and Wikipedia API and one comment was:

，他建议使用JSONP。

and he was advised to use JSONP instead.

我知道我可以使用JSONP，但我更喜欢CORS，如果我可以使用它。

I know I can use JSONP, but I prefer CORS if I can use it.

我试过

var url = "https://en.wikipedia.org/w/api.php?action=query&titles=Main%20Page&prop=revisions&rvprop=content&format=json";

                $.ajax({
                    url: url,
                    data: 'query',
                    dataType: 'json',
                    type: 'POST',
                    headers: { 'Api-User-Agent': 'Example/1.0' },
                    origin: 'https://jsfiddle.net/',
                    success: function (data) {
                        console.log(data);
                        //do something with data
                    }});

并获得以下错误：

请求标题：

authority:en.wikipedia.org
method:OPTIONS
path:/w/api.php?action=query&titles=Main%20Page&prop=revisions&rvprop=content&format=json
scheme:https
accept:/
accept-encoding:gzip, deflate, sdch
accept-language:en-US,en;q=0.8,fr-CA;q=0.6,fr;q=0.4,fr-FR;q=0.2,ru;q=0.2,uk;q=0.2
access-control-request-headers:accept, api-user-agent, content-type
access-control-request-method:POST
origin:https://fiddle.jshell.net
referer:https://fiddle.jshell.net/_display/
user-agent:Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36

b $ b

响应标题：

Response Header:

accept-ranges:bytes
age:0
backend-timing:D=33198 t=1462749020308717
cache-control:no-cache
content-encoding:gzip
content-length:20
content-type:text/html
date:Sun, 08 May 2016 23:10:20 GMT
p3p:CP="This is not a P3P policy! See https://en.wikipedia.org/wiki/Special:CentralAutoLogin/P3P for more info."
server:mw1114.eqiad.wmnet
set-cookie:CP=H2; Path=/; secure
set-cookie:GeoIP=US:MA:Waltham:42.37:-71.24:v4; Path=/; secure; Domain=.wikipedia.org
set-cookie:WMF-Last-Access=08-May-2016;Path=/;HttpOnly;secure;
Expires=Thu, 09 Jun 2016 12:00:00 GMT
status:200
strict-transport-security:max-age=31536000; includeSubDomains; preload
vary:Accept-Encoding
via:1.1 varnish, 1.1 varnish
x-analytics:https=1;nocookies=1
x-cache:cp1066 pass+chfp(0), cp1055 frontend pass+chfp(0)
x-client-ip:146.115.167.51
x-content-type-options:nosniff
x-powered-by:HHVM/3.12.1
x-varnish:2807049448, 2537048470

需要确认CORS不适用于Wikipedia API，我需要使用JSONP。

So, I need confirmation that CORS doesn't work for Wikipedia API and I need use JSONP.

推荐答案

请参阅，这是维基媒体网站的一个开放式错误，表明它们当前仅支持来自不同的CORS请求维基媒体网站本身到其他维基媒体网站，但他们不支持来自外部网站的CORS请求。

See "Enable cross-domain API requests in API's JSON responses", an open bug for Wikimedia sites that indicates that they currently only support CORS requests from different Wikimedia sites themselves to other Wikimedia sites—but they do not support CORS requests from external sites.

特别参见（从2016年4月8日起），这是一个摘要，表明他们正在考虑更改允许来自外部网站的CORS请求，但他们尚未启用。

See in particular https://phabricator.wikimedia.org/T62835#2191138 (from Apr 8, 2016) which is a summary that indicates they are considering to make a change to allow CORS request from external sites, but they have not yet enabled it.

由于注释：

更新时间：2016-07-12

a href =https://phabricator.wikimedia.org/T62835#2447638 =nofollow>今天部署CORS支持：

https://www.mediawiki.org/wiki/MediaWiki_1.28/Roadmap表示1.128.0-wmf.10的部署日期为2016年7月12日至2016年7月14日。

https://www.mediawiki.org/wiki/MediaWiki_1.28/Roadmap indicates the 1.128.0-wmf.10 deployment dates are 12 July 2016 to 14 July 2016.

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