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<?php
/**
* Copyright (c) 2007-2011, Servigistics, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of Servigistics, Inc. nor the names of
* its contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @copyright Copyright 2007-2011 Servigistics, Inc. (http://servigistics.com)
* @license http://solr-php-client.googlecode.com/svn/trunk/COPYING New BSD
* @version $Id: $
*
* @package Apache
* @subpackage Solr
* @author Donovan Jimenez <djimenez@conduit-it.com>
*/
// Require Apache_Solr_HttpTransport_Abstract
require_once(dirname(__FILE__) . '/Abstract.php');
/**
* HTTP Transport implemenation that uses the builtin http URL wrappers and file_get_contents
*/
class Apache_Solr_HttpTransport_FileGetContents extends Apache_Solr_HttpTransport_Abstract
{
/**
* SVN Revision meta data for this class
*/
const SVN_REVISION = '$Revision: $';
/**
* SVN ID meta data for this class
*/
const SVN_ID = '$Id: $';
/**
* Reusable stream context resources for GET and POST operations
*
* @var resource
*/
private $_getContext, $_headContext, $_postContext;
/**
* Initializes our reuseable get and post stream contexts
*/
public function __construct()
{
$this->_getContext = stream_context_create();
$this->_headContext = stream_context_create();
$this->_postContext = stream_context_create();
}
public function performGetRequest($url, $timeout = false)
{
// set the timeout if specified
if ($timeout !== FALSE && $timeout > 0.0)
{
// timeouts with file_get_contents seem to need
// to be halved to work as expected
$timeout = (float) $timeout / 2;
stream_context_set_option($this->_getContext, 'http', 'timeout', $timeout);
}
else
{
// use the default timeout pulled from default_socket_timeout otherwise
stream_context_set_option($this->_getContext, 'http', 'timeout', $this->getDefaultTimeout());
}
// $http_response_headers will be updated by the call to file_get_contents later
// see http://us.php.net/manual/en/wrappers.http.php for documentation
// Unfortunately, it will still create a notice in analyzers if we don't set it here
$http_response_header = null;
$responseBody = @file_get_contents($url, false, $this->_getContext);
return $this->_getResponseFromParts($responseBody, $http_response_header);
}
public function performHeadRequest($url, $timeout = false)
{
stream_context_set_option($this->_headContext, array(
'http' => array(
// set HTTP method
'method' => 'HEAD',
// default timeout
'timeout' => $this->getDefaultTimeout()
)
)
);
// set the timeout if specified
if ($timeout !== FALSE && $timeout > 0.0)
{
// timeouts with file_get_contents seem to need
// to be halved to work as expected
$timeout = (float) $timeout / 2;
stream_context_set_option($this->_headContext, 'http', 'timeout', $timeout);
}
// $http_response_headers will be updated by the call to file_get_contents later
// see http://us.php.net/manual/en/wrappers.http.php for documentation
// Unfortunately, it will still create a notice in analyzers if we don't set it here
$http_response_header = null;
$responseBody = @file_get_contents($url, false, $this->_headContext);
return $this->_getResponseFromParts($responseBody, $http_response_header);
}
public function performPostRequest($url, $rawPost, $contentType, $timeout = false)
{
stream_context_set_option($this->_postContext, array(
'http' => array(
// set HTTP method
'method' => 'POST',
// Add our posted content type
'header' => "Content-Type: $contentType",
// the posted content
'content' => $rawPost,
// default timeout
'timeout' => $this->getDefaultTimeout()
)
)
);
// set the timeout if specified
if ($timeout !== FALSE && $timeout > 0.0)
{
// timeouts with file_get_contents seem to need
// to be halved to work as expected
$timeout = (float) $timeout / 2;
stream_context_set_option($this->_postContext, 'http', 'timeout', $timeout);
}
// $http_response_header will be updated by the call to file_get_contents later
// see http://us.php.net/manual/en/wrappers.http.php for documentation
// Unfortunately, it will still create a notice in analyzers if we don't set it here
$http_response_header = null;
$responseBody = @file_get_contents($url, false, $this->_postContext);
// reset content of post context to reclaim memory
stream_context_set_option($this->_postContext, 'http', 'content', '');
return $this->_getResponseFromParts($responseBody, $http_response_header);
}
private function _getResponseFromParts($rawResponse, $httpHeaders)
{
//Assume 0, false as defaults
$status = 0;
$contentType = false;
//iterate through headers for real status, type, and encoding
if (is_array($httpHeaders) && count($httpHeaders) > 0)
{
//look at the first headers for the HTTP status code
//and message (errors are usually returned this way)
//
//HTTP 100 Continue response can also be returned before
//the REAL status header, so we need look until we find
//the last header starting with HTTP
//
//the spec: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.1
//
//Thanks to Daniel Andersson for pointing out this oversight
while (isset($httpHeaders[0]) && substr($httpHeaders[0], 0, 4) == 'HTTP')
{
// we can do a intval on status line without the "HTTP/1.X " to get the code
$status = intval(substr($httpHeaders[0], 9));
// remove this from the headers so we can check for more
array_shift($httpHeaders);
}
//Look for the Content-Type response header and determine type
//and encoding from it (if possible - such as 'Content-Type: text/plain; charset=UTF-8')
foreach ($httpHeaders as $header)
{
// look for the header that starts appropriately
if (strncasecmp($header, 'Content-Type:', 13) == 0)
{
$contentType = substr($header, 13);
break;
}
}
}
return new Apache_Solr_HttpTransport_Response($status, $contentType, $rawResponse);
}
}
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