Get original URL referer with PHP?

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I am using $_SERVER['HTTP_REFERER']; to get the referer Url. It works as expected until the user clicks another page and the referer changes to the last page.

How do I store the original referring Url?

Answers

Store it either in a cookie (if it's acceptable for your situation), or in a session variable.

session_start();

if ( !isset( $_SESSION["origURL"] ) )
    $_SESSION["origURL"] = $_SERVER["HTTP_REFERER"];

Friday, September 30, 2022

torbjörn-6ca03c1546e2

In Nginx conf, we need to add user header with request_uri:

proxy_set_header request_uri $request_uri;

And read it in php:

echo $_SERVER['HTTP_REQUEST_URI'];

upd

for some reason nginx don't like symbol '_' in header name, don't know how it worked before, maybe something changed after nginx update. Now i'm using

proxy_set_header rewriteduri $request_uri;

and in php

$_SERVER['HTTP_REWRITEDURI']

Wednesday, December 21, 2022

adonis_gtp-ee2905b30183

The REFERER is sent by the client's browser as part of the HTTP protocol, and is therefore unreliable indeed. It might not be there, it might be forged, you just can't trust it if it's for security reasons.

If you want to verify if a request is coming from your site, well you can't, but you can verify the user has been to your site and/or is authenticated. Cookies are sent in AJAX requests so you can rely on that.

Sunday, November 13, 2022

redpandacurios

this function should give you a starting point it will fetch any http url with the specified referrer

handling the query parms should be pretty trivial, so i will leave that part for you to do

<?php

    echo geturl('http://some-url', 'http://referring-url');

    function geturl($url, $referer) { 

        $headers[] = 'Accept: image/gif, image/x-bitmap, image/jpeg, image/pjpeg,text/html,application/xhtml+xml'; 
        $headers[] = 'Connection: Keep-Alive'; 
        $headers[] = 'Content-type: application/x-www-form-urlencoded;charset=UTF-8'; 
        $useragent = 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0)'; 

        $process = curl_init($url); 
        curl_setopt($process, CURLOPT_HTTPHEADER, $headers); 
        curl_setopt($process, CURLOPT_HEADER, 0); 
        curl_setopt($process, CURLOPT_USERAGENT, $useragent);
        curl_setopt($process, CURLOPT_REFERER, $referer);
        curl_setopt($process, CURLOPT_TIMEOUT, 30); 
        curl_setopt($process, CURLOPT_RETURNTRANSFER, 1); 
        curl_setopt($process, CURLOPT_FOLLOWLOCATION, 1); 

        $return = curl_exec($process); 
        curl_close($process); 

        return $return; 
    } 

?>

Saturday, October 8, 2022

herr_derb

Can't it be in $_SERVER['HTTP_REFERER'] variable?

See http://php.net/manual/en/reserved.variables.server.php

Tuesday, November 29, 2022

bordeltabernacle

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Get original URL referer with PHP?

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