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Mod Rewrite - Pages load fine, but facebook and google think 404

Posted on 2011-10-01
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Last Modified: 2012-05-12
I need someone with experience using mod_rewrite.

I have a connect script running in sub director /health/ (you can see the connect script below).

The connect script is in file index.php. It populates data from remote DB with urls that appear like so:

/health/index.php?resource=/assets/heart

I would like them to appear like this:

/health/assets/heart

When I changed the request handler from:

"request_handler_uri=" . urlencode("/index.php?resource="),

To

"request_handler_uri=" . urlencode("/health"),

The url structure appears corectly, yet I get 404.

So I changed the htaccess to:

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /health/
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
#RewriteRule index.php(.*)$ index.php?resource=/$1 [QSA]
RewriteRule ^(.*)$ index.php?resource=/$1 [QSA]
</IfModule>

So the page loads fine, I can see it etc, but not google or facebook etc. When I test using
developers.facebook.com/tools/debug/og/object

Facebook returns error "the server responded 404 error".

Any ideas?

<?php

$api_uri = "http://web.contentsource.com/blahblah";

$parameters = array(
	"apikey"				=> "5551212",
	"format"				=> "atom",
	"links"					=> "resource-path",
	"styles"				=> "enhanced",
	"content_only"			=> "false",
	"prettyprint"			=> "false",
	"request_handler_uri"	=> "http://www.mydomain.com/health/"
);

if (array_key_exists("resource", $_GET))
{
	$resource = urlencode($_GET['resource']);
}

if (!isset($resource) || $resource == "/")
{
	//default content uri goes here	
	$resource = "/assets/~default";
}

$request_uri = $api_uri . $resource . "?" . http_build_query($parameters);

$curl = curl_init($request_uri);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 1);
curl_setopt($curl, CURLOPT_TIMEOUT, 5);
$response = curl_exec($curl);
    
header("Content-type: text/html; charset=utf-8");


/*$pattern='#<entry(.*)\<content type=\"xhtml\">#si';
preg_match($pattern,$response,$piece);*/



$pattern='#\<id>(.*)\<\/id>#si';
preg_match($pattern,$response,$piece);

$pattern='#\<summary type=\"text\">(.*)\<\/summary>#si';
preg_match($pattern,$response,$description);

$pattern='#\<author>(.*)\<\/author>#si';
preg_match($pattern,$response,$author);

$pattern='#\<updated>(.*)\<\/updated>#si';
preg_match($pattern,$response,$updated);


$response=str_replace($piece[0],"",$response);
$response=str_replace($description[0],"",$response);
$response=str_replace($author[0],"",$response);
$response=str_replace($updated[0],"",$response);


$pattern='#\<title>(.*)\<\/title>#si';
preg_match($pattern,$response,$title);
$title=$title[0];

$pattern='#\<summary type=\"text\">(.*)\<\/summary>#si';
preg_match($pattern,$response,$description);
$description='<meta name="description" content=\''.$description[1].'\'>';

$pattern='#<link(.*)/>#U';
preg_match_all($pattern,$piece[0],$links);
$links=$links[0];

$new_content = strip_tags($response);
$new_content = eregi_replace("<head[^>]*>.*</head>"," ",$new_content);
$new_content = eregi_replace("<script[^>]*>.*</script>"," ",$new_content);
$new_content = eregi_replace("<style[^>]*>.*</style>"," ",$new_content);
$new_content = eregi_replace("<[^>]*>"," ",$new_content);
$new_content = eregi_replace("&nbsp;","",$new_content);

$resource = urldecode($resource);
$theurl = "http://www.mydomain.com/health" . $resource;
?>

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Question by:cptnem0
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2 Comments
 
LVL 15

Accepted Solution

by:
babuno5 earned 1500 total points
ID: 36898258
your code seems to be fine

What can be checked now is when you make request from facebook check your apache access log and see for what url you are getting 404.



0
 

Author Closing Comment

by:cptnem0
ID: 37065093
Checking apache logs did lead to finding the problem. There was a { somewhere causing an error.
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