[wp-trac] [WordPress Trac] #41661: Using proxy & HTTP 1.1 leads to full URL in REQUEST_URI variable in Apache

[WordPress Trac]

#41661: Using proxy & HTTP 1.1 leads to full URL in REQUEST_URI variable in Apache
--------------------------+------------------------
 Reporter:  olygraph      |       Owner:  (none)
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  General       |     Version:
 Severity:  normal        |  Resolution:  duplicate
 Keywords:                |     Focuses:
--------------------------+------------------------
Description changed by SergeyBiryukov:

Old description:

> When using a proxy the browser send a full URL in var REQUEST_URI
> $_SERVER['REQUEST_URI'];
>
> i.e.:
>
> With proxy: it returns http://mydomain.com/requestedurl
> No Proxy: it returns /requestedurl
>
> Solution:
> check the variable to see if it is full path and transform it:
>
> {{{#!php
> <?php
>
> $_SERVER['REQUEST_URI'] = requesturl_format($_SERVER['HTTP_HOST'],
> $_SERVER['REQUEST_URI']);
>
>     function requesturl_format($m_host, $m_request){
>         $m_regex = sprintf('#(https?://)(%s)(/.*)#', $m_host);
>
>         if(preg_match( $m_regex, $m_request, $matches)){
>                 if(count($matches) == 4){
>
>                         $m_host = ($matches[1]);
>                         $m_domain = ($matches[2]);
>                         $m_url_req = ($matches[3]);
>                         return $m_url_req;
>                 }
>         }
>         return $m_request;
>     }
> }}}

New description:

 When using a proxy the browser send a full URL in var REQUEST_URI
 `$_SERVER['REQUEST_URI'];`

 i.e.:

 With proxy: it returns http://mydomain.com/requestedurl
 No Proxy: it returns /requestedurl

 Solution:
 check the variable to see if it is full path and transform it:

 {{{#!php
 <?php

 $_SERVER['REQUEST_URI'] = requesturl_format($_SERVER['HTTP_HOST'],
 $_SERVER['REQUEST_URI']);

     function requesturl_format($m_host, $m_request){
         $m_regex = sprintf('#(https?://)(%s)(/.*)#', $m_host);

         if(preg_match( $m_regex, $m_request, $matches)){
                 if(count($matches) == 4){

                         $m_host = ($matches[1]);
                         $m_domain = ($matches[2]);
                         $m_url_req = ($matches[3]);
                         return $m_url_req;
                 }
         }
         return $m_request;
     }
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/41661#comment:3>
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