File: /var/www/ilya/data/www/irkboard.ru/ips_kernel/classFileManagement.php
<?php
/**
* Invision Power Services
* IP.Board v3.0.1
* Wrapper for retrieving file contents. Methods available for removing files and directories as well.
* Last Updated: $Date: 2009-05-27 21:24:22 -0400 (Wed, 27 May 2009) $
*
* @author $Author: bfarber $
* @copyright (c) 2001 - 2009 Invision Power Services, Inc.
* @license http://www.invisionpower.com/community/board/license.html
* @package Invision Power Services Kernel
* @link http://www.invisionpower.com
* @since Tuesday 22nd February 2005 (16:55)
* @version $Revision: 273 $
*/
if ( ! defined( 'IPS_CLASSES_PATH' ) )
{
/**
* Define classes path
*/
define( 'IPS_CLASSES_PATH', dirname(__FILE__) );
}
class classFileManagement
{
/**
* Use sockets flag
*
* @access public
* @var integer
*/
public $use_sockets = 0;
/**
* Error array
*
* @access public
* @var array
*/
public $errors = array();
/**
* HTTP Status Code/Text
*
* @access public
* @var integer HTTP Status code
* @var string HTTP Status text
*/
public $http_status_code = 0;
public $http_status_text = "";
/**#@+
* Set Authentication
*
* @access public
* @var string
* @var string
* @var string
*/
public $auth_req = 0;
public $auth_user;
public $auth_pass;
/**#@-*/
/**
* Timeout setting
*
* @access public
* @var int
*/
public $timeout = 15;
/**
* Get file contents (accepts URL or path)
*
* @access public
* @param string URI / File path
* @param string HTTP User
* @param string HTTP Pass
* @return string File data
*/
public function getFileContents( $file_location, $http_user='', $http_pass='' )
{
//-------------------------------
// INIT
//-------------------------------
$contents = "";
$file_location = str_replace( '&', '&', $file_location );
//-----------------------------------------
// Inline user/pass?
//-----------------------------------------
if ( $http_user and $http_pass )
{
$this->auth_req = 1;
$this->auth_user = $http_user;
$this->auth_pass = $http_pass;
}
//-------------------------------
// Hello
//-------------------------------
if ( ! $file_location )
{
return FALSE;
}
if ( ! stristr( $file_location, 'http://' ) AND ! stristr( $file_location, 'https://' ) )
{
//-------------------------------
// It's a path!
//-------------------------------
if ( ! file_exists( $file_location ) )
{
$this->errors[] = "Файл '{$file_location}' не существует, Проверье правильность пути.";
return;
}
$contents = $this->_getContentsWithFopen( $file_location );
}
else
{
//-------------------------------
// Is URL, try curl and then fall back
//-------------------------------
if( ($contents = $this->_getContentsWithCurl( $file_location )) === false )
{
if ( $this->use_sockets )
{
$contents = $this->_getContentsWithSocket( $file_location );
}
else
{
$contents = $this->_getContentsWithFopen( $file_location );
}
}
}
return $contents;
}
/**
* Get file contents (with PHP's fopen)
*
* @access private
* @param string File location
* @return string File data
*/
private function _getContentsWithFopen( $file_location )
{
//-------------------------------
// INIT
//-------------------------------
$buffer = "";
@clearstatcache();
if ( $FILE = fopen( $file_location, "r" ) )
{
@stream_set_timeout( $FILE, $this->timeout );
$status = @stream_get_meta_data($FILE);
while ( ! feof( $FILE ) && ! $status['timed_out'] )
{
$buffer .= fgets( $FILE, 4096 );
$status = stream_get_meta_data($FILE);
}
fclose($FILE);
}
return $buffer;
}
/**
* Get file contents (with sockets)
*
* @access private
* @param string File location
* @return string File data
* @todo [Future] Support chunked HTTP content
*/
private function _getContentsWithSocket( $file_location )
{
//-------------------------------
// INIT
//-------------------------------
$data = null;
$fsocket_timeout = $this->timeout;
//-------------------------------
// Parse URL
//-------------------------------
$url_parts = @parse_url($file_location);
if ( ! $url_parts['host'] )
{
$this->errors[] = "Не найден хост в URL '{$file_location}'!";
return FALSE;
}
//-------------------------------
// Finalize
//-------------------------------
$host = $url_parts['host'];
$port = ( isset($url_parts['port']) ) ? $url_parts['port'] : ( $url_parts['scheme'] == 'https' ? 443 : 80 );
//-------------------------------
// Tidy up path
//-------------------------------
if ( !empty( $url_parts["path"] ) )
{
$path = $url_parts["path"];
}
else
{
$path = "/";
}
if ( !empty( $url_parts["query"] ) )
{
$path .= "?" . $url_parts["query"];
}
//-------------------------------
// Open connection
//-------------------------------
if ( ! $fp = @fsockopen( $host, $port, $errno, $errstr, $fsocket_timeout ) )
{
$this->errors[] = "Не могу установить соединение с {$host}";
return FALSE;
}
else
{
$final_carriage = "";
if ( ! $this->auth_req )
{
$final_carriage = "\r\n";
}
if ( ! fputs( $fp, "GET $path HTTP/1.0\r\nHost:$host\r\nConnection: Keep-Alive\r\n{$final_carriage}" ) )
{
$this->errors[] = "Невозможно отправить запрос на $host!";
return FALSE;
}
if ( $this->auth_req )
{
if ( $this->auth_user && $this->auth_pass )
{
$header = "Authorization: Basic ".base64_encode("{$this->auth_user}:{$this->auth_pass}")."\r\n\r\n";
if ( ! fputs( $fp, $header ) )
{
$this->errors[] = "Неверные данные авторизации!";
return FALSE;
}
}
}
}
@stream_set_timeout($fp, $fsocket_timeout);
$status = @stream_get_meta_data($fp);
while( ! feof($fp) && ! $status['timed_out'] )
{
$data .= fgets ($fp,8192);
$status = stream_get_meta_data($fp);
}
fclose ($fp);
//-------------------------------
// Strip headers
//-------------------------------
// HTTP/1.1 ### ABCD
$this->http_status_code = substr( $data, 9, 3 );
$this->http_status_text = substr( $data, 13, ( strpos( $data, "\r\n" ) - 13 ) );
$tmp = split("\r\n\r\n", $data, 2);
$data = $tmp[1];
return $data;
}
/**
* Get file contents (with cURL)
*
* @access private
* @param string File location
* @return string File data
*/
private function _getContentsWithCurl( $file_location )
{
if ( function_exists( 'curl_init' ) AND function_exists("curl_exec") )
{
$ch = curl_init( $file_location );
curl_setopt( $ch, CURLOPT_HEADER , 0);
curl_setopt( $ch, CURLOPT_TIMEOUT , $this->timeout );
curl_setopt( $ch, CURLOPT_POST , 0 );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt( $ch, CURLOPT_FAILONERROR , 1 );
curl_setopt( $ch, CURLOPT_MAXREDIRS , 10 );
/**
* Cannot set this when safe_mode or open_basedir is enabled
* @link http://forums.invisionpower.com/index.php?autocom=tracker&showissue=11334
*/
if( !ini_get('open_basedir') AND !ini_get('safe_mode') )
{
curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1 );
}
if( $this->auth_req )
{
curl_setopt( $ch, CURLOPT_USERPWD , "{$this->auth_user}:{$this->auth_pass}" );
}
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
else
{
return false;
}
}
/**
* Copies contents of one directory to another, creating if necessary
*
* @access public
* @param string File location [from]
* @param string File location [destination]
* @param string [Optional] CHMOD mode to set
* @return boolean Copy successful
*/
public function copyDirectory($from_path, $to_path, $mode = 0777)
{
$this->errors = array();
//-----------------------------------------
// Strip off trailing slashes...
//-----------------------------------------
$from_path = rtrim( $from_path, '/' );
$to_path = rtrim( $to_path, '/' );
if ( ! is_dir( $from_path ) )
{
$this->errors[] = "Невозможно найти директорию '{$from_path}'";
return false;
}
if ( ! is_dir( $to_path ) )
{
if ( ! @mkdir( $to_path, $mode ) )
{
$this->errors[] = "Невозможно создать директорию '{$to_path}', проверьте права доступа и попробуйте снова";
return FALSE;
}
else
{
@chmod( $to_path, $mode );
}
}
if ( is_dir( $from_path ) )
{
$handle = opendir($from_path);
while ( ($file = readdir($handle)) !== false )
{
if ( ($file != ".") && ($file != "..") )
{
if ( is_dir( $from_path."/".$file ) )
{
$this->copyDirectory( $from_path."/".$file, $to_path."/".$file );
}
if ( is_file( $from_path."/".$file ) )
{
copy( $from_path."/".$file, $to_path."/".$file );
@chmod( $to_path."/".$file, 0777 );
}
}
}
closedir($handle);
}
if ( ! count( $this->errors ) )
{
return true;
}
}
/**
* Removes a directory
*
* @access public
* @param string File location [from]
* @return boolean Removal successful
*/
public function removeDirectory($file)
{
$errors = 0;
//-----------------------------------------
// Remove trailing slashes..
//-----------------------------------------
$file = rtrim( $file, '/' );
if ( file_exists($file) )
{
//-----------------------------------------
// Attempt CHMOD
//-----------------------------------------
@chmod( $file, 0777 );
if ( is_dir( $file ) )
{
$handle = opendir( $file );
while ( ($filename = readdir($handle)) !== false )
{
if ( ($filename != ".") && ($filename != "..") )
{
$this->removeDirectory( $file."/".$filename );
}
}
closedir($handle);
if ( ! @rmdir($file) )
{
$errors++;
}
}
else
{
if ( ! @unlink($file) )
{
$errors++;
}
}
}
if( $errors == 0 )
{
return true;
}
else
{
return false;
}
}
}