添加 Forwarded 标头

02/26/2018
作者

本文介绍 Azure API 管理策略示例，该示例演示如何在入站请求中添加 Forwarded 标头，以允许后端 API 构造正确的 URL。若要设置或编辑策略代码，请执行设置或编辑策略中所述的步骤。若要查看其他示例，请参阅策略示例。

代码

将代码粘贴到“入站”块中。

<!-- The policy defined in this file demonstrates how to add a Forwarded header in the inbound request to allow the backend API to construct proper URLs.

<!-- Forwarded header is defined in the IETF RFC 7239 https://tools.ietf.org/html/rfc7239  -->

<!-- Copy this snippet into the inbound section. -->

<policies>
  <inbound>
    <base />
    <set-header exists-action="override" name="Forwarded">
      <value>@("proto=" + context.Request.OriginalUrl.Scheme + ";host=" + context.Request.OriginalUrl.Host + ";")</value>
    </set-header>
  </inbound>
  <backend>
    <base />
  </backend>
  <outbound>
    <base />
  </outbound>
  <on-error>
    <base />
  </on-error>
</policies>

后续步骤

了解有关 APIM 策略的详细信息：