php - RewriteCond: any workaround to match the HTTP_REFERER with HTTP_HOST? -

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1) need verify whether connections referred same site or else. 2) can not type http_host manually because .htaccess file meant handled subversion , shared across different development environments different http_host values

so goal find workaround make condition work transparently no matter environment is, , keep htaccess handled svn without need of manual fixes.

thanks!

with apache 2 can this:

rewritecond %{http_referer} ^$ [or] rewritecond %{http_referer} ^[^:/?#]+://([^/?#]+)  # authority rewritecond %1 ^(?:(?:[a-za-z0-9-._~!$&'()*+,;=:]|%[0-9a-fa-f]{2})*@)?((?:[a-za-z0-9-._~!$&'()*+,;=]|%[0-9a-fa-f]{2})*)(?::\d+)?$  # host name rewritecond %1/%{http_host} !^([^/]+)/\1$  # compare http_host rewriterule ^ …

note http_host can empty in case of pre-http/1.1 request.


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