index.php

CMS系统 提供学习研究修改最好了 比流行的一些CMS简单 但是更容易理解 是帮助你学习PHPCMS系统的好东东哦

  if (eregi('^.*\.(mp3)$',$filename))     	return 'audio/mp3';

  if (eregi('^.*\.(inc|phtml|php(3-4)?)$',$filename))
  						return 'text/phps';
  if (eregi('^.*\.(htm|html)$',$filename))
  						return 'text/html';
  if (eregi('^.*\.(doc|dot)$',$filename))       return 'text/msword';
  if (eregi('^.*\.(xls|xlt)$',$filename))       return 'text/msexcel';
  if (eregi('^.*\.rtf$',$filename))     	return 'text/rtf';
  if (eregi('^.*\.pdf$',$filename))     	return 'text/pdf';
  if (eregi('^.*\.ps$',$filename))      	return 'text/ps';

  // DETERMINE BY FILE CONTENTS -----------------------------------------------
  //
  // ... using the first $default['PAGER_BYTES'] bytes of the file
  // (we have to avoid reading the entire file into memory)

  $content = '';
  $file = fopen($filename,'r');
  $content = fread($file, $default['PAGER_BYTES']);
  fclose($file);

  // IMAGE by content -------------------------------
     $dimensions = strlen($content) ? linpha_getimagesize($filename) : '';
     if (is_array($dimensions))
       return 'image';

  // BINARY by content ------------------------------
     if (preg_replace('/[^\x09\x0c\x0d\x0a\x20-\x7f\x9f-\xfe]/',
           '.',$content)!=$content)
       return 'binary';

  // WHEN IT'S NOT BINARY NOR A KNOWN FILETYPE => TEXT

  return 'text/plain';

}

// ----------------------------------------------------------------------------
function display_file($filename) {
global $dirleft, $default;

  include_once(TOP_DIR.'/plugins/ftp/includes/viewer.inc.php');

  $pager_bytes = $default['PAGER_BYTES'];
  if (isset($_COOKIE['pager_bytes']))
    $pager_bytes = $_COOKIE['pager_bytes'];

  $start = 0;
  if (isset($_REQUEST['start'])) $start = $_REQUEST['start'];

  $type = determine_filetype($filename);
  switch ($type) {
    case 'image':	 view_image($filename, $pager_bytes); break;
    case 'audio/mp3':	 view_with_content_type($filename,'audio/mpeg'); break;
    case 'text/plain':   view_text($filename, $start, $pager_bytes); break;
    case 'text/html':    view_html($filename, $start, $pager_bytes); break;
    case 'text/phps':	 view_php($filename, $start, $pager_bytes); break;
    case 'text/msword':	 view_with_content_type($filename,'application/msword'); break;
    case 'text/msexcel': view_with_content_type($filename,'application/msexcel'); break;
    case 'text/pdf': 	 view_with_content_type($filename,'application/pdf'); break;
    case 'text/rtf': 	 view_with_content_type($filename,'application/rtf'); break;
    case 'text/ps': 	 view_with_content_type($filename,'application/postscript'); break;
    default:	         view_binary($filename, $start, $pager_bytes); break;
  }
}

// ----------------------------------------------------------------------------
function edit_file($filename) {
global $dirleft, $default;

  include_once(TOP_DIR.'/plugins/ftp/includes/editor.inc.php');

  $start = 0;
  if (isset($_REQUEST['start'])) $start = $_REQUEST['start'];

  $type = determine_filetype($filename);
  switch ($type) {
    case 'text/plain':   edit_text($filename); break;
    case 'text/phps':    edit_text($filename); break;
    default:	         edit_binary($filename); break;
  }
}

// ----------------------------------------------------------------------------
function save_textfile() {
global $message;
  if (is_writable($_REQUEST['f'])) {
    $f = fopen ( $_REQUEST['f'], 'w' );
    fputs ( $f, $_REQUEST['contents'] ) ;
    fclose ( $f ) ;
  }
  else
    $message .= sprintf(STR_EDITOR_SAVE_ERROR,$_REQUEST['f']);
}

// ----------------------------------------------------------------------------
function save_binaryfile() {
global $message, $default;

  if (is_writable($_REQUEST['f'])) {
    $string = '';

    $start = $_REQUEST['start'];
    $i = $start;
    while (isset($_REQUEST['i_'.$i])) {
      if ($default['EDITOR_BINEDITOR_DECIMAL_EDIT'])
        // decimal edit
        $check = ereg('^[0-9]{1,2}$',$_REQUEST['i_'.$i]);
      else
   	// hexadecimal editing
        $check = ereg('^[0-9a-fA-F]{1,2}$',$_REQUEST['i_'.$i]);

      if (!$check) {
        $message .= sprintf(
          STR_EDITOR_SAVE_ERROR_WRONG_VALUE .
          (
           $default['EDITOR_BINEDITOR_DECIMAL_EDIT'] ?
           STR_EDITOR_SAVE_ERROR_DEC_VALUE_NEEDED :
           STR_EDITOR_SAVE_ERROR_HEX_VALUE_NEEDED
          ),
          $_REQUEST['f'], $i, $_REQUEST['i_'.$i]
        );
        unset($_REQUEST['i_'.$i]);
      }
      else {
        $string .= chr(hexdec(trim($_REQUEST['i_'.$i])));
        $i++;
      }
    }

    if (!strlen($message)) {
      $f = fopen( $_REQUEST['f'], 'rb+' );
      flock($f, LOCK_EX);
      fseek($f, $start);
      fputs($f, $string, strlen($string));
      flock($f, LOCK_UN);
      fclose($f);
    }
  }
  else
    $message .= sprintf(STR_EDITOR_SAVE_ERROR,$_REQUEST['f']);

}

// ----------------------------------------------------------------------------
function panel($dir, $sideflag) {
global $default, $sortpass, $dirleft, $message, $filetypes, $filealts;

  if (!($hnd = @opendir($dir)))
    return '<TR><TD>'.STR_ERROR_DIR.'</TD></TR>';

  $dirleftparent  = fixed_dirname($dirleft);

  // COLLECT DIRECTORY INFORMATION
  //
  // $files is a kinda pervert multi-dimensional array
  // (uses eg. $files['filesize'][$number_of_file] instead of
  // $files[$number_of_file]['filesize'])
  // but I had to use this approach because the multisort() function
  // expects arrays of this structure

  $files = Array(
    'rowbegin' => Array(),  'icon'      => Array(),  'dir' => Array(),
    'isdotdir' => Array(),  'isdotdir1' => Array(),  'sortname' => Array(),
    'filename' => Array(),  'size'      => Array(),  'link' => Array(),
    'ctime' =>    Array(),  'atime'     => Array(),  'mtime' => Array(),
    'rights' =>   Array()
  );

  $i = 0;
  $sum['size']  = 0;
  $sum['files'] = 0;
  
  $use_posix = check_posix();
  
  if($use_posix) {
    $uid = @posix_getuid(); // get user id of current process
  } else {
    $uid = 0;
  }

  while(($filename = readdir($hnd))!==false)
  {

    $isdotdir1 = ($filename == '.');
    $isdotdir2 = ($filename == '..');
    $isdotdir  = $isdotdir1 || $isdotdir2;
	$dir = is_dir($dirleft . '/' . $filename );
    $passdirleft  = $dirleft;
    if (!$sideflag && $dir)
      $passdirleft =
        $isdotdir2 ?
          $dirleftparent
          :
          $dirleft . ($isdotdir1 ? '' : '/' . $filename);

    $icon    = '';
    $iconalt = '';

    eregi("^.*(\.([^\.]+))$", $filename, $nameparts);

    if (isset($nameparts[2])) {
      $ext = strtolower($nameparts[2]);
      foreach ($filetypes as $key=>$value) {
        $extensions = explode(',' , $value);
        if (in_array( $ext, $extensions )) {
          $icon    = $key;
          $iconalt = $filealts[$key];
        }
      }
      unset($nameparts);
    }

    if ($dir && !$isdotdir) { $icon = 'folder'; $iconalt = $filealts['folder']; }
    if ($isdotdir2) 	    { $icon = 'back';   $iconalt = $filealts['parentdir']; }

    $thisfileWithPath = $dirleft . '/' . $filename;
    $link = htmlspecialchars($_SERVER['PHP_SELF'],ENT_QUOTES)."?lt=".urlencode($passdirleft). AMP . "page=ftp" . AMP .
    
      $sortpass .
      ($dir ?
        '' : AMP . 'todo=openfile' . AMP . 'f=' . urlencode($thisfileWithPath));

    $stat = stat($thisfileWithPath);

    if ( !$isdotdir ) {
      $sum['size']  += $stat['size'];
      $sum['files']++;
    }

	if($use_posix) {
		$owner_info = @posix_getpwuid($stat['uid']);  // use @ because check_posix() can return true even if it fails...
		$group_info = @posix_getgrgid($stat['gid']);
	} else {
		$owner_info['name'] = '';
		$group_info['name'] = '';
	}

	/**
	* pay attention!!!!!
	* if you add entries in $files, you have to add them also in the array_multisort() function in line ~1043 !!
	*/

    $files['icon'][$i]      = ( strlen($icon) ? "<IMG BORDER=0 ALT='$iconalt' TITLE='$iconalt' SRC='plugins/ftp/images/icons/$icon.png'>" : SP);
    $files['dir'][$i]       = $dir;
    $files['isdotdir'][$i]  = $isdotdir;
    $files['isdotdir1'][$i] = $isdotdir1;
    $files['filename'][$i]  = htmlspecialchars($filename, ENT_QUOTES);
    $files['sortname'][$i]  = strtoupper($filename);
    $files['link'][$i]      = $link;
    $files['size'][$i]      = $stat['size'];
//    $files['ctime'][$i]     = date("Y-m-d H:i:s",$stat['ctime']);
//    $files['atime'][$i]     = date("Y-m-d H:i:s",$stat['atime']);
//    $files['mtime'][$i]     = date("Y-m-d H:i:s",$stat['mtime']);
    $files['ctime'][$i]     = linpha_strftime('',$stat['ctime']);
	$files['atime'][$i]     = linpha_strftime('',$stat['atime']);
	$files['mtime'][$i]     = linpha_strftime('',$stat['mtime']);
	$files['uid'][$i]       = $stat['uid'];
	$files['gid'][$i]       = $stat['gid'];
	$files['ownername'][$i] = $owner_info['name'];
	$files['groupname'][$i] = $group_info['name'];

	
	// file permissions
	if(getOS() == 'win')
	{
		$files['rights'][$i]    =
			'[' .
			(is_readable($thisfileWithPath) ? '<FONT CLASS="green">r</FONT>' : SP) .
			(is_writable($thisfileWithPath) ? '<FONT CLASS="red">w</FONT>' : SP) .
			(function_exists('is_executable') ?
				(is_executable($thisfileWithPath) ? '<FONT CLASS="blue">x</FONT>' : SP)
				:
				SP
				) .
			']';
	} else {
		$perm = '['.get_readable_fileperms($thisfileWithPath).']';
		
		$perm = str_replace('r','<FONT CLASS="green">r</FONT>',$perm);
		$perm = str_replace('w','<FONT CLASS="red">w</FONT>',$perm);
		$perm = str_replace('x','<FONT CLASS="blue">x</FONT>',$perm);
		
		if($uid == $stat['uid'])
		{
			$files['rights'][$i] = '<a href="'.htmlspecialchars($_SERVER['PHP_SELF'],ENT_QUOTES).'?lt='.urlencode($dirleft). AMP .
				'todo=change_perm_form'. AMP .
				'f='.urlencode($thisfileWithPath). AMP .
				'page=ftp">'. $perm .
				'</a>';
		}
		else
		{
			$files['rights'][$i] = $perm;
		}
	}
	
    $i++;
  }

  closedir($hnd);

  // SORT CONTENTS ------------------------------------------------------------

  // 'sort by' field per side and 'sort by' field of current panel ------------
  $sortby0 = $default['PANEL_SORTBY'];

  if (isset($_REQUEST['sortby0']) && in_array($_REQUEST['sortby0'],Array('name','size','mtime')))
    $sortby0 = $_REQUEST['sortby0'];
  $sortby = $sortby0;

  // 'sort direction' per side and 'sort direction' of current panel ----------
  $sortdir0 = $default['PANEL_SORTDIRECTION'];

  if (isset($_REQUEST['sortdir0']) && ($_REQUEST['sortdir0']=='desc'))
    $sortdir0 = SORT_DESC;
  $sortdir = $sortdir0;

  // the $sort array is going to be a two-dimensional array.
  // it's gonna contain arrays that are containing the parameter-
  // triples for multisort():
  //
  //   $sort[n] = Array('field_name_of_files_array', sort_direction, sort_type);
  //
  // as defined below ($bydir, $byfilename, etc.)
  // these arrays are going to be inserted into the $sort array
  // in the order needed
  //
  $bydir      = Array('dir',      SORT_DESC, SORT_STRING);
  $byfilename = Array('sortname', SORT_ASC,  SORT_STRING);
  $bysize     = Array('size',     SORT_ASC,  SORT_NUMERIC);
  $bymtime    = Array('mtime',    SORT_ASC,  SORT_STRING);

  $sort = Array();

  // in the parameter-array corresponding the user-chosen sort
  // field (eg. $by...) we always change the second field (the
  // sort direction), that's what $by...[1] = $sortdir; is for.
  // other fields' sort order are used as defaults

  // if the user wants to see the directories first,
  // we only have to change the order of arrays

  if ($default['PANEL_DIRSFIRST'])
    switch ($sortby) {
      case 'size':  $bysize[1]  = $sortdir;     $sort = Array($bydir, $bysize, $byfilename, $bymtime); break;
      case 'mtime': $bymtime[1] = $sortdir;     $sort = Array($bydir, $bymtime, $byfilename, $bysize); break;
      default:      $byfilename[1]  = $sortdir; $sort = Array($bydir, $byfilename, $bysize, $bymtime); break;
    }
  else
    switch ($sortby) {
      case 'size':  $bysize[1]  = $sortdir;     $sort = Array($bysize, $byfilename, $bymtime, $bydir); break;
      case 'mtime': $bymtime[1] = $sortdir;     $sort = Array($bymtime, $byfilename, $bysize, $bydir); break;
      default:      $byfilename[1]  = $sortdir; $sort = Array($byfilename, $bysize, $bymtime, $bydir); break;
    }

  array_multisort(
    // 'dot directories' (eg. '.' and '..') are always
    // in the first place
  	$files['isdotdir'],  SORT_DESC, SORT_STRING,
    $files['isdotdir1'], SORT_DESC, SORT_STRING,

    $files[ $sort[0][0] ], $sort[0][1], $sort[0][2],
    $files[ $sort[1][0] ], $sort[1][1], $sort[1][2],
    $files[ $sort[2][0] ], $sort[2][1], $sort[2][2],
    $files[ $sort[3][0] ], $sort[3][1], $sort[3][2],

    /*
       we have to include remaining fields in the sorting procedure
       too, to keep the multi-dimensional array consistent
    */

    $files['atime'],