471 lines
10 KiB
PHP
471 lines
10 KiB
PHP
<?php
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/*
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+---------------------------------------------------------------------------
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| Invision Power Board
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| ========================================
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| by Matthew Mecham
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| (c) 2004 Invision Power Services
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| http://www.invisionpower.com
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| ========================================
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+---------------------------------------------------------------------------
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| INVISION POWER BOARD IS NOT FREE SOFTWARE!
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| http://www.invisionboard.com
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+---------------------------------------------------------------------------
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| > File Management Functions
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| > Script written by Matt Mecham
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| > Date started: Tuesday 22nd February 2005 (16:55) I have cold feet
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+---------------------------------------------------------------------------
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*/
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/**
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* Class File Management
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*
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* Wrapper for getting file contents
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*
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* @package IPS_KERNEL
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* @author Matt Mecham
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* @version 2.1
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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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/**
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* Class File Management
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*
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* Wrapper for getting file contents
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*
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* @package IPS_KERNEL
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* @author Matt Mecham
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* @version 2.1
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*/
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class class_file_management
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{
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/**
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* Use sockets flag
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*
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* @var integer
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*/
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var $use_sockets = 0;
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/**
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* Error array
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*
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* @var array
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*/
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var $errors = array();
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/**
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* HTTP Status Code/Text
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*
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* @var array
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*/
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var $http_status_code = 0;
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var $http_status_text = "";
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/**#@+
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* Set Authentication
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*
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* @var strings
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*/
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var $auth_req = 0;
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var $auth_user;
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var $auth_pass;
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/**#@-*/
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/*-------------------------------------------------------------------------*/
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// Constructor
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/*-------------------------------------------------------------------------*/
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function class_file_management()
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{
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}
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/*-------------------------------------------------------------------------*/
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// Get file contents (accepts URL or path)
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// file_get_contents() has caching issues
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/*-------------------------------------------------------------------------*/
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/**
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* Get file contents (accepts URL or path)
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*
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* file_get_contents() has caching issues
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* @return string File data
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*/
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function get_file_contents( $file_location )
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{
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//-------------------------------
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// INIT
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//-------------------------------
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$contents = "";
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$file_location = str_replace( '&', '&', $file_location );
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//-------------------------------
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// Hello
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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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if ( ! stristr( $file_location, 'http://' ) AND ! stristr( $file_location, 'https://' ) )
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{
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//-------------------------------
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// It's a path!
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//-------------------------------
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if ( ! file_exists( $file_location ) )
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{
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$this->errors[] = "File '$file_location' does not exist, please check the path.";
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return;
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}
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$contents = $this->get_contents_with_fopen( $file_location );
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}
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else
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{
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//-------------------------------
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// Is URL - using GET?
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//-------------------------------
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if ( $this->use_sockets )
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{
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$contents = $this->get_contents_with_socket( $file_location );
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}
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else
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{
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$contents = $this->get_contents_with_fopen( $file_location );
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}
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}
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return $contents;
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}
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/*-------------------------------------------------------------------------*/
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// USE FOPEN TO GET TEXT
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/*-------------------------------------------------------------------------*/
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/**
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* Get file contents (with PHP's fopen)
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*
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* @return string File data
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*/
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function get_contents_with_fopen( $file_location )
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{
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//-------------------------------
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// INIT
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//-------------------------------
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$buffer = "";
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@clearstatcache();
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if ( $FILE = fopen( $file_location, "r") )
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{
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while ( ! feof( $FILE ) )
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{
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$buffer .= fgets($FILE, 4096);
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}
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fclose($FILE);
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}
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return $buffer;
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}
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/*-------------------------------------------------------------------------*/
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// USE SOCKET TO GET TEXT
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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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* @return string File data
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*/
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function get_contents_with_socket( $file_location )
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{
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//-------------------------------
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// INIT
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//-------------------------------
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$data = null;
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$fsocket_timeout = 10;
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//-------------------------------
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// Parse URL
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//-------------------------------
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$url_parts = parse_url($file_location);
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if ( ! $url_parts['host'] )
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{
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$this->errors[] = "No host found in the 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'] : 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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// Open connection
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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[] = "Could not establish a connection with $host";
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return FALSE;
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}
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else
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{
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$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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if ( ! fputs( $fp, "GET $path HTTP/1.0\r\nHost:$host\r\nConnection: Keep-Alive\r\n{$final_carriage}" ) )
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{
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$this->errors[] = "Unable to send request to $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[] = "Authorization Failed!";
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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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// HTTP/1.1 ### ABCD
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$this->http_status_code = substr( $data, 9, 3 );
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$this->http_status_text = substr( $data, 13, ( strpos( $data, "\r\n" ) - 13 ) );
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$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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// USE cURL TO GET TEXT
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/*-------------------------------------------------------------------------*/
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/**
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* Get file contents (with cURL)
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*
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* @return string File data
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*/
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function get_contents_with_curl( $file_location )
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{
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if ( function_exists( 'curl_init' ) AND function_exists("curl_exec") )
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{
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$ch = curl_init( $file_location );
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curl_setopt( $ch, CURLOPT_HEADER , 0);
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curl_setopt( $ch, CURLOPT_TIMEOUT , 15 );
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curl_setopt( $ch, CURLOPT_POST , 0 );
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curl_setopt( $ch, CURLOPT_RETURNTRANSFER , 1 );
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$data = curl_exec($ch);
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curl_close($ch);
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return $data ? $data : FALSE;
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}
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else
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{
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return FALSE;
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}
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}
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/*-------------------------------------------------------------------------*/
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// dir_copy_dir
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//
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// Copies to contents of a dir to a new dir, creating
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// destination dir if needed.
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//
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/*-------------------------------------------------------------------------*/
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function dir_copy_dir($from_path, $to_path, $mode = 0777)
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{
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$this->errors = "";
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//-----------------------------------------
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// Strip off trailing slashes...
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//-----------------------------------------
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$from_path = preg_replace( "#/$#", "", $from_path);
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$to_path = preg_replace( "#/$#", "", $to_path);
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if ( ! is_dir( $from_path ) )
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{
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$this->errors[] = "Could not locate directory '$from_path'";
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return FALSE;
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}
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if ( ! is_dir( $to_path ) )
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{
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if ( ! @mkdir( $to_path, $mode ) )
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{
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$this->errors[] = "Could not create directory '$to_path' please check the CHMOD permissions and re-try";
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return FALSE;
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}
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else
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{
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@chmod( $to_path, $mode );
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}
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}
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if ( is_dir( $from_path ) )
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{
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$handle = opendir($from_path);
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while ( ($file = readdir($handle)) !== false )
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{
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if ( ($file != ".") && ($file != "..") )
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{
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if ( is_dir( $from_path."/".$file ) )
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{
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$this->dir_copy_dir($from_path."/".$file, $to_path."/".$file);
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}
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if ( is_file( $from_path."/".$file ) )
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{
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copy($from_path."/".$file, $to_path."/".$file);
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@chmod($to_path."/".$file, 0777);
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}
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}
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}
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closedir($handle);
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}
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if ( ! count( $this->errors ) )
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{
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return TRUE;
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}
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}
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/*-------------------------------------------------------------------------*/
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// dir_rm_dir
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//
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// Removes directories, if non empty, removes
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// content and directories
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/*-------------------------------------------------------------------------*/
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function dir_rm_dir($file)
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{
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$errors = 0;
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//-----------------------------------------
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// Remove trailing slashes..
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//-----------------------------------------
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$file = preg_replace( "#/$#", "", $file );
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if ( file_exists($file) )
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{
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//-----------------------------------------
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// Attempt CHMOD
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//-----------------------------------------
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@chmod($file, 0777);
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if ( is_dir($file) )
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{
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$handle = opendir($file);
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while ( ($filename = readdir($handle)) !== false )
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{
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if ( ($filename != ".") && ($filename != "..") )
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{
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$this->dir_rm_dir($file."/".$filename);
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}
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}
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closedir($handle);
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if ( ! @rmdir($file) )
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{
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$errors++;
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}
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}
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else
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{
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if ( ! @unlink($file) )
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{
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$errors++;
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}
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}
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}
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if ($errors == 0)
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{
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return TRUE;
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}
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else
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{
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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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