Armin Sadeghi

If you are using Dreamhost, or other similar shared server host, and are having problems with HTTP authentication then this is something to try. In my case I had a RAILS application where I was positive I was sending the appropriate HTTP Basic Authorization header (from PHP) like so:

$urlNew = curl_init();
...
curl_setopt($urlNew, CURLOPT_USERPWD, $strAuth);
curl_setopt($urlNew, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
...

However the server would repeatedly reply with not authorized (401 error). It turned out that the Authorization header was not being passed from Apache to the FastCGI application. So where I had this rewrite rule in /public/.htaccess:

RewriteRule ^(.*)$ dispatch.fcgi [QSA,L]

I just changed it to this:

RewriteRule ^(.*)$ dispatch.fcgi [E=X-HTTP_AUTHORIZATION:%{HTTP:Authorization},QSA,L]

And all was well.

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