PHP, cURL, CURLOPT FOLLOWLOCATION and open basedir Or Safe Mode
July 18th, 2008Read More curl
If you are trying to get a curl script which needs follow on location functionality to run on a server which has either open_basedir or safe mode enabled you will get an error message similar to the following:
CURLOPT_FOLLOWLOCATION cannot be activated when in safe_mode or an open_basedir is set
After a bit of digging, some kind soul has put a workaround here
Here is how to use the function
PHP:
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function curl($url){
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curl_setopt ($go, CURLOPT_URL, $url);
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//follow on location problems
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curl_setopt ($go, CURLOPT_FOLLOWLOCATION, $l);
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$syn = curl_exec($go);
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}else{
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$syn = curl_redir_exec($go);
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}
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curl_close($go);
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return $syn;
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}
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//follow on location problems workaround
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function curl_redir_exec($ch)
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{
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if ($curl_loops++>= $curl_max_loops)
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{
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$curl_loops = 0;
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return FALSE;
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}
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curl_setopt($ch, CURLOPT_HEADER, true);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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$data = curl_exec($ch);
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$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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if ($http_code == 301 || $http_code == 302)
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{
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if (!$url)
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{
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//couldn't process the url to redirect to
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$curl_loops = 0;
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return $data;
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}
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if (!$url['scheme'])
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$url['scheme'] = $last_url['scheme'];
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if (!$url['host'])
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$url['host'] = $last_url['host'];
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if (!$url['path'])
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$url['path'] = $last_url['path'];
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$new_url = $url['scheme'] . '://' . $url['host'] . $url['path'] . ($url['query']?'?'.$url['query']:'');
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curl_setopt($ch, CURLOPT_URL, $new_url);
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return curl_redir_exec($ch);
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} else {
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$curl_loops=0;
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return $data;
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}
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}
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