include/dedecollection.func.php

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<?php   if(!defined('DEDEINC')) exit('dedecms');
/**
 * 采集小助手
 *
 * @version        $Id: charset.helper.php 1 2010-07-05 11:43:09Z tianya $
 * @package        DedeCMS.Helpers
 * @copyright      Copyright (c) 2007 - 2010, DesDev, Inc.
 * @license        http://help.dedecms.com/usersguide/license.html
 * @link           http://www.dedecms.com
 */
 
require_once(DEDEINC."/dedehttpdown.class.php");
require_once(DEDEINC."/dedetag.class.php");
require_once(DEDEINC."/charset.func.php");

/**
 *  下载图片
 *
 * @access    public
 * @param     string  $gurl  地址
 * @param     string  $rfurl  来源地址
 * @param     string  $filename  文件名
 * @param     string  $gcookie  调整cookie
 * @param     string  $JumpCount  跳转计数
 * @param     string  $maxtime  最大次数
 * @return    string
 */
function DownImageKeep($gurl, $rfurl, $filename, $gcookie="", $JumpCount=0, $maxtime=30)
{
    $urlinfos = GetHostInfo($gurl);
    $ghost = trim($urlinfos['host']);
    if($ghost=='')
    {
        return FALSE;
    }
    $gquery = $urlinfos['query'];
    if($gcookie=="" && !empty($rfurl))
    {
        $gcookie = RefurlCookie($rfurl);
    }
    $sessionQuery = "GET $gquery HTTP/1.1\r\n";
    $sessionQuery .= "Host: $ghost\r\n";
    $sessionQuery .= "Referer: $rfurl\r\n";
    $sessionQuery .= "Accept: */*\r\n";
    $sessionQuery .= "User-Agent: Mozilla/4.0 (compatible; MSIE 5.00; Windows 98)\r\n";
    if($gcookie!="" && !preg_match("/[\r\n]/", $gcookie))
    {
        $sessionQuery .= $gcookie."\r\n";
    }
    $sessionQuery .= "Connection: Keep-Alive\r\n\r\n";
    $errno = "";
    $errstr = "";
    $m_fp = fsockopen($ghost, 80, $errno, $errstr,10);
    fwrite($m_fp,$sessionQuery);
    $lnum = 0;

    //获取详细应答头
    $m_httphead = Array();
    $httpstas = explode(" ",fgets($m_fp,256));
    $m_httphead["http-edition"] = trim($httpstas[0]);