使用urlrewritefilter设置从请求到响应头的原点或引用值 [英] Setting origin or referer value which from request to the response-header using urlrewritefilter

问题描述

如何使用tuckey url重写过滤器xml文件在响应标头中设置原始值或参考值.

How to set origin value or referer value in a response-header using tuckey url rewrite filter xml file.

直接在set标记中访问%{origin}无效，但在条件标记中无效.

Accessing %{origin} directly in the set tag is not working but not working in condition tag.

下面是我尝试的示例.

    <rule enabled="true" last="false" match-type="regex">
    <name>Enabling CORS Headers</name>
    <from>^/path/someMorePath.*$</from>
    <condition name="origin" operator="equal">http://www.testsite.com</condition> <!-- would like to write some regex to match a set of sites and if matched, then set the same origin as response -->
    <set type="response-header" name="Access-Control-Allow-Origin">%{origin}</set>
    <set type="response-header" name="Access-Control-Allow-Credentials">true</set>
</rule>

推荐答案

全面了解了tuckey api的urlrewritefilter后，解决方案是使用正则表达式.

After having an complete understanding on the urlrewritefilter of tuckey api, the solution is to have a regular expression.

<rule enabled="true" match-type="regex">
    <name>Enabling CORS Headers</name>
    <from>^/path/someMorePath.*$</from>
    <condition name="origin" operator="equal">([a-z.\/\/0-9]+)</condition>
    <set type="response-header" name="Access-Control-Allow-Origin">%1</set>
    <set type="response-header" name="Access-Control-Allow-Credentials">true</set>
</rule>

因此，这里在条件标签中使用正则表达式，然后在正则表达式中使用反向引用作为响应头中的变量

So, here using the regular expression in the condition tag and then using the back references in the regular expression as the variables in the response header

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