Version 3.0.5
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<?php
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/**
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* Invision Power Services
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* IP.Board v3.0.5
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* HTTP Communications - send data via POST and read response
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* Last Updated: $Date: 2009-02-04 15:05:02 -0500 (Wed, 04 Feb 2009) $
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*
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* @author $Author: bfarber $
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* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
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* @license http://www.iinvisionpower.com/community/board/license.html
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* @package Invision Power Services Kernel
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* @link http://www.iinvisionpower.com
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* @since Friday 6th January 2006 (12:24)
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* @version $Revision: 222 $
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*
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* Usage
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* <code>
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* $communication = new classCommunication;
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* $return = $communication->communicationSendData( 'http://example.site.com/external.php', array( 'foo' => 'bar' ) );
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* $data = $communication->communicationReceiveData( $return );
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* print_r($data);
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* </code>
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*
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*/
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if ( ! defined( 'IPS_CLASSES_PATH' ) )
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{
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/**
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* Define classes path
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*/
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define( 'IPS_CLASSES_PATH', dirname(__FILE__) );
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}
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class classCommunication
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{
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/**
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* Use sockets flag
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*
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* @access public
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* @var integer
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*/
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public $use_sockets = 0;
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/**
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* Error array
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*
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* @access public
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* @var array
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*/
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public $error = array();
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/**
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* Key prefix
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* Prefix to identify communication strings
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*
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* @access public
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* @var string
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*/
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public $key_prefix = '__xsx__';
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/**#@+
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* Set Authentication
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*
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* @access public
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* @var string
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* @var string
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* @var string
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*/
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public $auth_req = 0;
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public $auth_user;
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public $auth_pass;
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/**#@-*/
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/**
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* Receive data from the "send" function
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*
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* @access public
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* @param array Array of fields to return
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* @return array Array of fields
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*/
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public function communicationReceiveData( $return_fields=array() )
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{
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//-----------------------------------------
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// INIT
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//-----------------------------------------
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$return_array = array();
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//-----------------------------------------
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// Get data...
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//-----------------------------------------
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foreach( $_REQUEST as $k => $v )
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{
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if ( strstr( $k, $this->key_prefix ) )
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{
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$k = str_replace( $this->key_prefix, '', $k );
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$return_array[ $k ] = $v;
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}
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}
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return $this->_filterFields( $return_array );
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}
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/**
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* Send the data
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*
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* @access public
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* @param string URI to post to
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* @param array Arry of post fields
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* @return string File data
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*/
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public function communicationSendData( $file_location='', $post_array=array() )
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{
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if ( ! is_array( $post_array ) OR ! count( $post_array ) )
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{
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return false;
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}
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if ( ! $file_location )
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{
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return false;
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}
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return $this->_postData( $file_location, $post_array );
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}
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/**
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* Filter out fields (optional)
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*
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* @access private
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* @param array Array of fields to return
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* @return array Array of fields
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*/
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private function _filterFields( $in_fields=array(), $out_fields=array() )
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{
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//-----------------------------------------
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// INIT
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//-----------------------------------------
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$return_array = array();
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//-----------------------------------------
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// Check
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//-----------------------------------------
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if ( ! is_array( $in_fields ) or ! count( $in_fields ) )
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{
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return false;
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}
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if ( ! is_array( $out_fields ) or ! count( $out_fields ) )
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{
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return $in_fields;
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}
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//-----------------------------------------
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// Get data...
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//-----------------------------------------
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foreach( $out_fields as $k => $type )
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{
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if ( $in_fields[ $k ] )
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{
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switch ( $type )
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{
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default:
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case 'string':
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case 'text':
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$return_array[ $k ] = trim( $in_fields[ $k ] );
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break;
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case 'int':
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case 'integar':
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$return_array[ $k ] = intval( $in_fields[ $k ] );
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break;
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case 'float':
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case 'floatval':
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$return_array[ $k ] = floatval( $in_fields[ $k ] );
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break;
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}
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}
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}
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return $return_array;
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}
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/**
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* Get file contents (with sockets)
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*
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* @access private
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* @param string URI to post to
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* @param array Arry of post fields
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* @return string File data
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* @todo [Future] Doesn't support "chunked" HTTP responses
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*/
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private function _postData( $file_location, $post_array )
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{
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//-------------------------------
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// INIT
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//-------------------------------
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$data = null;
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$fsocket_timeout = 10;
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$post_back = array();
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//-------------------------------
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// Fix up post string
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//-------------------------------
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foreach ( $post_array as $key => $val )
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{
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$post_back[] = $this->key_prefix . $key . '=' . urlencode($val);
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}
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$post_back_str = implode('&', $post_back);
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//-------------------------------
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// Parse URL
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//-------------------------------
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$url_parts = parse_url($file_location);
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if ( ! $url_parts['host'] )
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{
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$this->errors[] = "Не найден хост в URL '{$file_location}'!";
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return false;
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}
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//-------------------------------
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// Finalize
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//-------------------------------
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$host = $url_parts['host'];
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$port = ( isset($url_parts['port']) ) ? $url_parts['port'] : ( $url_parts['scheme'] == 'https' ? 443 : 80 );
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//-------------------------------
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// Tidy up path
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//-------------------------------
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if ( ! empty( $url_parts["path"] ) )
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{
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$path = $url_parts["path"];
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}
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else
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{
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$path = "/";
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}
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if ( ! empty( $url_parts["query"] ) )
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{
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$path .= "?" . $url_parts["query"];
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}
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//-------------------------------
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// Try CURL first...
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//-------------------------------
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if ( function_exists("curl_init") AND function_exists("curl_exec") )
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{
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if ( $sock = curl_init() )
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{
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curl_setopt( $sock, CURLOPT_URL , $file_location );
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curl_setopt( $sock, CURLOPT_TIMEOUT , 15 );
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curl_setopt( $sock, CURLOPT_POST , TRUE );
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curl_setopt( $sock, CURLOPT_POSTFIELDS , $post_back_str );
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curl_setopt( $sock, CURLOPT_POSTFIELDSIZE , 0);
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curl_setopt( $sock, CURLOPT_RETURNTRANSFER , TRUE );
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$result = curl_exec($sock);
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curl_close($sock);
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return $result ? $result : false;
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}
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}
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else
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{
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if ( ! $fp = @fsockopen( $host, $port, $errno, $errstr, $fsocket_timeout ) )
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{
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$this->errors[] = "Невозможно соединение с {$host}";
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return false;
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}
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else
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{
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$final_carriage = "";
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if ( ! $this->auth_req )
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{
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$final_carriage = "\r\n";
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}
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$header = "POST $path HTTP/1.0\r\n";
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$header .= "Host: $host\r\n";
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$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
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$header .= "Content-Length: " . strlen($post_back_str) . "\r\n{$final_carriage}";
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if ( ! fputs( $fp, $header . $post_back_str ) )
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{
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$this->errors[] = "Невозможно отправить запрос на {$host}!";
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return false;
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}
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if ( $this->auth_req )
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{
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if( $this->auth_user && $this->auth_pass )
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{
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$header = "Authorization: Basic ". base64_encode( "{$this->auth_user}:{$this->auth_pass}" ) . "\r\n\r\n";
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if ( ! fputs( $fp, $header ) )
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{
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$this->errors[] = "Данные авторизации не верны!";
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return false;
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}
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}
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}
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}
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@stream_set_timeout($fp, $fsocket_timeout);
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$status = @socket_get_status($fp);
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while( ! feof($fp) && ! $status['timed_out'] )
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{
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$data .= fgets ($fp,8192);
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$status = socket_get_status($fp);
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}
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fclose ($fp);
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//-------------------------------
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// Strip headers
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//-------------------------------
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$tmp = split("\r\n\r\n", $data, 2);
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$data = $tmp[1];
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return $data;
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}
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}
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}
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?>
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