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Improved version of DoPostRequest which optionally uses cURL to workaround PHP/OpenSSL bugs !

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SVN:trunk[2972]
This commit is contained in:
Denis Flaven
2013-11-07 15:03:01 +00:00
parent 3f50d3ea59
commit 7ebce0a841
1 changed files with 95 additions and 31 deletions
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126
application/utils.inc.php
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@@ -886,6 +886,7 @@ class utils
* @param string $sUrl The URL to POST the data to
* @param hash $aData The data to POST as an array('param_name' => value)
* @param string $sOptionnalHeaders Additional HTTP headers as a string with newlines between headers
* @param hash $aResponseHeaders An array to be filled with reponse headers: WARNING: the actual content of the array depends on the library used: cURL or fopen, test with both !! See: http://fr.php.net/manual/en/function.curl-getinfo.php
* @return string The result of the POST request
* @throws Exception
*/
@@ -893,47 +894,110 @@ class utils
{
// $sOptionnalHeaders is a string containing additional HTTP headers that you would like to send in your request.
$sData = http_build_query($aData);
$aParams = array('http' => array(
'method' => 'POST',
'content' => $sData,
'header'=> "Content-type: application/x-www-form-urlencoded\r\nContent-Length: ".strlen($sData)."\r\n",
));
if ($sOptionnalHeaders !== null)
if (function_exists('curl_init'))
{
$aParams['http']['header'] .= $sOptionnalHeaders;
}
$ctx = stream_context_create($aParams);
$fp = @fopen($sUrl, 'rb', false, $ctx);
if (!$fp)
{
global $php_errormsg;
if (isset($php_errormsg))
// If cURL is available, let's use it, since it provides a greater control over the various HTTP/SSL options
// For instance fopen does not allow to work around the bug: http://stackoverflow.com/questions/18191672/php-curl-ssl-routinesssl23-get-server-helloreason1112
// by setting the SSLVERSION to 3 as done below.
$aHeaders = explode("\n", $sOptionnalHeaders);
$aHTTPHeaders = array();
foreach($aHeaders as $sHeaderString)
{
throw new Exception("Wrong URL: $sUrl, $php_errormsg");
if(preg_match('/^([^:]): (.+)$/', $sHeaderString, $aMatches))
{
$aHTTPHeaders[$aMatches[1]] = $aMatches[2];
}
}
elseif ((strtolower(substr($sUrl, 0, 5)) == 'https') && !extension_loaded('openssl'))
$aOptions = array(
CURLOPT_RETURNTRANSFER => true, // return the content of the request
CURLOPT_HEADER => false, // don't return the headers in the output
CURLOPT_FOLLOWLOCATION => true, // follow redirects
CURLOPT_ENCODING => "", // handle all encodings
CURLOPT_USERAGENT => "spider", // who am i
CURLOPT_AUTOREFERER => true, // set referer on redirect
CURLOPT_CONNECTTIMEOUT => 120, // timeout on connect
CURLOPT_TIMEOUT => 120, // timeout on response
CURLOPT_MAXREDIRS => 10, // stop after 10 redirects
CURLOPT_SSL_VERIFYPEER => false, // Disabled SSL Cert checks
CURLOPT_SSLVERSION => 3, // MUST to prevent a strange SSL error: http://stackoverflow.com/questions/18191672/php-curl-ssl-routinesssl23-get-server-helloreason1112
CURLOPT_POST => count($aData),
CURLOPT_POSTFIELDS => http_build_query($aData),
CURLOPT_HTTPHEADER => $aHTTPHeaders,
);
$ch = curl_init($sUrl);
curl_setopt_array($ch, $aOptions);
$response = curl_exec($ch);
$iErr = curl_errno($ch);
$sErrMsg = curl_error( $ch );
$aHeaders = curl_getinfo( $ch );
if ($iErr !== 0)
{
throw new Exception("Cannot connect to $sUrl: missing module 'openssl'");
throw new Exception("Problem opening URL: $sUrl, $sErrMsg");
}
else
if (is_array($aResponseHeaders))
{
throw new Exception("Wrong URL: $sUrl");
$aHeaders = curl_getinfo($ch);
foreach($aHeaders as $sCode => $sValue)
{
$sName = str_replace(' ' , '-', ucwords(str_replace('_', ' ', $sCode))); // Transform "content_type" into "Content-Type"
$aResponseHeaders[$sName] = $sValue;
}
}
curl_close( $ch );
}
$response = @stream_get_contents($fp);
if ($response === false)
else
{
throw new Exception("Problem reading data from $sUrl, $php_errormsg");
}
if (is_array($aResponseHeaders))
{
$aMeta = stream_get_meta_data($fp);
$aResponseHeaders = $aMeta['wrapper_data'];
// cURL is not available let's try with streams and fopen...
$sData = http_build_query($aData);
$aParams = array('http' => array(
'method' => 'POST',
'content' => $sData,
'header'=> "Content-type: application/x-www-form-urlencoded\r\nContent-Length: ".strlen($sData)."\r\n",
));
if ($sOptionnalHeaders !== null)
{
$aParams['http']['header'] .= $sOptionnalHeaders;
}
$ctx = stream_context_create($aParams);
$fp = @fopen($sUrl, 'rb', false, $ctx);
if (!$fp)
{
global $php_errormsg;
if (isset($php_errormsg))
{
throw new Exception("Wrong URL: $sUrl, $php_errormsg");
}
elseif ((strtolower(substr($sUrl, 0, 5)) == 'https') && !extension_loaded('openssl'))
{
throw new Exception("Cannot connect to $sUrl: missing module 'openssl'");
}
else
{
throw new Exception("Wrong URL: $sUrl");
}
}
$response = @stream_get_contents($fp);
if ($response === false)
{
throw new Exception("Problem reading data from $sUrl, $php_errormsg");
}
if (is_array($aResponseHeaders))
{
$aMeta = stream_get_meta_data($fp);
$aHeaders = $aMeta['wrapper_data'];
foreach($aHeaders as $sHeaderString)
{
if(preg_match('/^([^:]+): (.+)$/', $sHeaderString, $aMatches))
{
$aResponseHeaders[$aMatches[1]] = trim($aMatches[2]);
}
}
}
}
return $response;
}
}
?>
?>