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閫���寞�

靽格㺿route/attach.php

} elseif($action == 'download') {
    
    // hook attach_download_start.php
    
    // �斗鱏���
    $aid = param(2, 0);
    $attach = attach_read($aid);
    empty($attach) AND message(-1, lang('attach_not_exists'));
    $tid = $attach['tid'];
    $thread = thread_read($tid);
    $fid = $thread['fid'];
    $allowdown = forum_access_user($fid, $gid, 'allowdown');
    empty($allowdown) AND message(-1, lang('insufficient_privilege_to_download'));    
    
    $attachpath = $conf['upload_path'].'attach/'.$attach['filename'];
    $attachurl = $conf['upload_url'].'attach/'.$attach['filename'];
    !is_file($attachpath) AND message(-1, lang('attach_not_exists'));
    
    // �喲睸靽桀�嚗𡁶��冽��㕑��箏�蝻�
    if (function_exists('apache_setenv')) {
        @apache_setenv('no-gzip', 1);
    }
    @ini_set('zlib.output_compression', 0);
    @ini_set('output_buffering', 0);
    
    // 皜�征���㕑��箇���
    while (ob_get_level()) {
        ob_end_clean();
    }
    
    $type = 'php';
    
    // hook attach_output_before.php
    
    // php 颲枏枂
    if($type == 'php') {

        attach_update($aid, array('downloads+'=>1));
        
        $filesize = $attach['filesize'];
        if(stripos($_SERVER["HTTP_USER_AGENT"], 'MSIE') !== FALSE || stripos($_SERVER["HTTP_USER_AGENT"], 'Edge') !== FALSE || stripos($_SERVER["HTTP_USER_AGENT"], 'Trident') !== FALSE) {
            $attach['orgfilename'] = urlencode($attach['orgfilename']);
            $attach['orgfilename'] = str_replace("+", "%20", $attach['orgfilename']);
        }
        $timefmt = date('D, d M Y H:i:s', $time).' GMT';
        header('Date: '.$timefmt);
        header('Last-Modified: '.$timefmt);
        header('Expires: '.$timefmt);
        // 靽格㺿蝻枏�蝑𣇉裦嚗𡁶��函�摮�
        header('Cache-Control: no-cache, no-store, must-revalidate');
        header('Pragma: no-cache');
        header('Content-Transfer-Encoding: binary');
        header("Pragma: public");
        header('Content-Disposition: attachment; filename="'.$attach['orgfilename'].'"');
        header('Content-Type: application/octet-stream');
        // �喲睸嚗𡁶＆靽苷��讠憬
        header('Content-Encoding: identity');
        
        // hook attach_download_readfile_before.php
        
        // 雿輻鍂 fpassthru �蹂誨 readfile嚗峕凒蝔喳�
        $fp = fopen($attachpath, 'rb');
        if ($fp) {
            fpassthru($fp);
            fclose($fp);
        } else {
            readfile($attachpath);
        }
        exit;
    } else {
        
        // hook attach_download_location_before.php
        
        http_location($attachurl);
    }
}

憒��隞乩��寞�瘝∟圾�喳停�其耨�嫣��滨蔭��辣

location ~* \.(zip|rar|7z)$ {
    gzip off;
}

�鞟內

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