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POmod_rewrite: Pass the path & query string URL as a parameter
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  1. POmod_rewrite: Pass the path & query string URL as a parameter
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    copied!<p>I'm using mod_rewrite to rewrite pretty URLs to a form supported by a Spring 2.5 application.</p> <pre><code>e.g. /category/cat1?q=x =&gt; /controller?category=cat1&amp;q=x </code></pre> <p>However from my controller I want to know the original URL the request came from (so I can generate a link if required). This approach is needed generically across all pages so it is difficult to hard code.</p> <p><em>How can I access the original path + query string from my controller?</em></p> <p>I have tried using $0 to include the full path but this doesn't include the query string. I can't just append the path and the query string as this would result in some parts of the path being added as parameters <code>/category/cat1?category=cat1&amp;q=x</code> Note the addition of the unwanted <code>&amp;category=cat1</code> parameter, this causes the URL to no longer match that sent from the browser.</p> <p>I'm hoping mod_rewrite will let me reference the full URL and encode it as a parameter so my rule could look like:</p> <pre><code>RewriteRule /category/(.+) /controller?category=$1&amp;_originalUrl=${escape:$0}?${escape:&lt;original query string&gt;} [QSA] </code></pre> <p>Using my original example the end result passed through to my controller would be:</p> <pre><code>/controller?category=cat1&amp;_originalUrl=%2Fcategory%2Fcat1%3Fsearch%3Dx&amp;search=x </code></pre> <p>The important part is the value of <code>&amp;_originalUrl</code> which should be <code>%2Fcategory%2Fcat1%3Fsearch%3Dx</code> which in its unescaped version is <code>/category/cat1?q=x</code> (the original request URL that was sent from the browser).</p> <p>Any suggestions welcome, thanks in advance!</p>
 

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