'访问控制允许起源'访问托斯卡的REST API [英] 'access-control-allow-origin' accessing rest api of Tosca

问题描述

我试图从服务器上调用Tosca的rest api，这给了我这个例外:"access-control-allow-origin".由于我无法控制Tosca的响应，因此有办法解决这种异常吗?

I am trying to call Tosca's rest api from my server and it's giving me this exception: 'access-control-allow-origin'. Since I have no control over Tosca's response, is there a way to get around this exception?

推荐答案

问题很可能与Tosca REST API无关，而是

Most likely the issue is not related to Tosca REST API, rather is a CORS problem. So, I am assuming your web server and the Tosca REST API server are on different domain. You can basically bypass this problem by allowing cross-origin requests from the web application, by adding the following configuration to the web.config

<system.webServer>
<httpProtocol>
  <customHeaders>
    <add name="Access-Control-Allow-Headers" value="Content-Type" />
    <add name="Access-Control-Allow-Methods" value="GET, POST" />
    <add name="Access-Control-Allow-Origin" value="*" />
  </customHeaders>
</httpProtocol>
</system.webServer>

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