pcltar.lib.php

mambo的cms源代码

      // ----- Call the adding fct inside the tar
      if (($v_result = PclTarHandleAddList($p_tar, $p_list, $p_mode, $v_list_detail, $p_add_dir, $p_remove_dir)) == 1)
      {
        // ----- Call the footer of the tar archive
        $v_result = PclTarHandleFooter($p_tar, $p_mode);
      }

      // ----- Close the tarfile
      fclose($p_tar);
    }
    // ----- Look for tgz file
    else
    {
      // ----- Open the tar file
      if (($p_tar = @gzopen($p_tarname, "wb")) == 0)
      {
        // ----- Error log
        PclErrorLog(-1, "Unable to open file [$p_tarname] in binary write mode");

        // ----- Return
        TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
        return PclErrorCode();
      }

      // ----- Call the adding fct inside the tar
      if (($v_result = PclTarHandleAddList($p_tar, $p_list, $p_mode, $v_list_detail, $p_add_dir, $p_remove_dir)) == 1)
      {
        // ----- Call the footer of the tar archive
        $v_result = PclTarHandleFooter($p_tar, $p_mode);
      }

      // ----- Close the tarfile
      gzclose($p_tar);
    }

    // ----- Return
    TrFctEnd(__FILE__, __LINE__, $v_result);
    return $v_result;
  }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : PclTarHandleAppend()
  // Description :
  // Parameters :
  //   $p_tarname : Name of the tar file
  //   $p_list : An array containing the file or directory names to add in the tar
  //   $p_mode : "tar" for normal tar archive, "tgz" for gzipped tar archive
  // Return Values :
  // --------------------------------------------------------------------------------
  function PclTarHandleAppend($p_tarname, $p_list, $p_mode, &$p_list_detail, $p_add_dir, $p_remove_dir)
  {
    TrFctStart(__FILE__, __LINE__, "PclTarHandleAppend", "tar=$p_tarname, list, mode=$p_mode");
    $v_result=1;

    // ----- Check the parameters
    if ($p_tarname == "")
    {
      // ----- Error log
      PclErrorLog(-3, "Invalid empty archive name");

      // ----- Return
      TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
      return PclErrorCode();
    }

    clearstatcache();

    // ----- Check the file size
    if ((!is_file($p_tarname)) ||
        (((($v_size = filesize($p_tarname)) % 512) != 0) && ($p_mode=="tar")))
    {
      // ----- Error log
      if (!is_file($p_tarname))
        PclErrorLog(-4, "Archive '$p_tarname' does not exist");
      else
        PclErrorLog(-6, "Archive '$p_tarname' has invalid size ".filesize($p_tarname)."(not a 512 block multiple)");

      // ----- Return
      TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
      return PclErrorCode();
    }

    // ----- Look for compressed archive
    if ($p_mode == "tgz")
    {
      // ----- Open the file in read mode
      if (($p_tar = @gzopen($p_tarname, "rb")) == 0)
      {
        // ----- Error log
        PclErrorLog(-2, "Unable to open file '$p_tarname' in binary read mode");

        // ----- Return
        TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
        return PclErrorCode();
      }

      // ----- Open a temporary file in write mode
      $v_temp_tarname = uniqid("pcltar-").".tmp";
      TrFctMessage(__FILE__, __LINE__, 2, "Creating temporary archive file $v_temp_tarname");
      if (($v_temp_tar = @gzopen($v_temp_tarname, "wb")) == 0)
      {
        // ----- Close tar file
        gzclose($p_tar);

        // ----- Error log
        PclErrorLog(-1, "Unable to open file '$v_temp_tarname' in binary write mode");

        // ----- Return
        TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
        return PclErrorCode();
      }

      // ----- Read the first 512 bytes block
      $v_buffer = gzread($p_tar, 512);

      // ----- Read the following blocks but not the last one
      if (!gzeof($p_tar))
      {
        TrFctMessage(__FILE__, __LINE__, 3, "More than one 512 block file");
        $i=1;

        // ----- Read new 512 block and write the already read
        do{
          // ----- Write the already read block
          $v_binary_data = pack("a512", "$v_buffer");
          gzputs($v_temp_tar, $v_binary_data);

          $i++;
          TrFctMessage(__FILE__, __LINE__, 3, "Reading block $i");

          // ----- Read next block
          $v_buffer = gzread($p_tar, 512);

        } while (!gzeof($p_tar));

        TrFctMessage(__FILE__, __LINE__, 3, "$i 512 bytes blocks");
      }

      // ----- Call the adding fct inside the tar
      if (($v_result = PclTarHandleAddList($v_temp_tar, $p_list, $p_mode, $p_list_detail, $p_add_dir, $p_remove_dir)) == 1)
      {
        // ----- Call the footer of the tar archive
        $v_result = PclTarHandleFooter($v_temp_tar, $p_mode);
      }

      // ----- Close the files
      gzclose($p_tar);
      gzclose($v_temp_tar);

      // ----- Unlink tar file
      if (!@unlink($p_tarname))
      {
        // ----- Error log
        PclErrorLog(-11, "Error while deleting archive name $p_tarname");
      }

      // ----- Rename tar file
      if (!@rename($v_temp_tarname, $p_tarname))
      {
        // ----- Error log
        PclErrorLog(-12, "Error while renaming temporary file $v_temp_tarname to archive name $p_tarname");

        // ----- Return
        TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
        return PclErrorCode();
      }

      // ----- Return
      TrFctEnd(__FILE__, __LINE__, $v_result);
      return $v_result;
    }

    // ----- Look for uncompressed tar file
    else if ($p_mode=="tar")
    {
      // ----- Open the tar file
      if (($p_tar = fopen($p_tarname, "r+b")) == 0)
      {
        // ----- Error log
        PclErrorLog(-1, "Unable to open file '$p_tarname' in binary write mode");

        // ----- Return
        TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
        return PclErrorCode();
      }

      // ----- Go to the beginning of last block
      TrFctMessage(__FILE__, __LINE__, 4, "Position before :".($p_mode=="tar"?ftell($p_tar):gztell($p_tar)));
      fseek($p_tar, $v_size-512);
      TrFctMessage(__FILE__, __LINE__, 4, "Position after :".($p_mode=="tar"?ftell($p_tar):gztell($p_tar)));

      // ----- Call the adding fct inside the tar
      if (($v_result = PclTarHandleAddList($p_tar, $p_list, $p_mode, $p_list_detail, $p_add_dir, $p_remove_dir)) == 1)
      {
        // ----- Call the footer of the tar archive
        $v_result = PclTarHandleFooter($p_tar, $p_mode);
      }

      // ----- Close the tarfile
      fclose($p_tar);
    }

    // ----- Look for unknown type
    else
    {
      // ----- Error log
      PclErrorLog(-3, "Invalid tar mode $p_mode");

      // ----- Return
      TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
      return PclErrorCode();
    }

    // ----- Return
    TrFctEnd(__FILE__, __LINE__, $v_result);
    return $v_result;
  }
  // --------------------------------------------------------------------------------

  // --------------------------------------------------------------------------------
  // Function : PclTarHandleAddList()
  // Description :
  //   $p_add_dir and $p_remove_dir will give the ability to memorize a path which is
  //   different from the real path of the file. This is usefull if you want to have PclTar
  //   running in any directory, and memorize relative path from an other directory.
  // Parameters :
  //   $p_tar : File descriptor of the tar archive
  //   $p_list : An array containing the file or directory names to add in the tar
  //   $p_mode : "tar" for normal tar archive, "tgz" for gzipped tar archive
  //   $p_list_detail : list of added files with their properties (specially the status field)
  //   $p_add_dir : Path to add in the filename path archived
  //   $p_remove_dir : Path to remove in the filename path archived
  // Return Values :
  // --------------------------------------------------------------------------------
  function PclTarHandleAddList($p_tar, $p_list, $p_mode, &$p_list_detail, $p_add_dir, $p_remove_dir)
  {
    TrFctStart(__FILE__, __LINE__, "PclTarHandleAddList", "tar='$p_tar', list, mode='$p_mode', add_dir='$p_add_dir', remove_dir='$p_remove_dir'");
    $v_result=1;
    $v_header = array();

    // ----- Recuperate the current number of elt in list
    $v_nb = sizeof($p_list_detail);

    // ----- Check the parameters
    if ($p_tar == 0)
    {
      // ----- Error log
      PclErrorLog(-3, "Invalid file descriptor in file ".__FILE__.", line ".__LINE__);

      // ----- Return
      TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
      return PclErrorCode();
    }

    // ----- Check the arguments
    if (sizeof($p_list) == 0)
    {
      // ----- Error log
      PclErrorLog(-3, "Invalid file list parameter (invalid or empty list)");

      // ----- Return
      TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
      return PclErrorCode();
    }

    // ----- Loop on the files
    for ($j=0; ($j<count($p_list)) && ($v_result==1); $j++)
    {
      // ----- Recuperate the filename
      $p_filename = $p_list[$j];

      TrFctMessage(__FILE__, __LINE__, 2, "Looking for file [$p_filename]");

      // ----- Skip empty file names
      if ($p_filename == "")
      {
        TrFctMessage(__FILE__, __LINE__, 2, "Skip empty filename");
        continue;
      }

      // ----- Check the filename
      if (!file_exists($p_filename))
      {
        // ----- Error log
        TrFctMessage(__FILE__, __LINE__, 2, "File '$p_filename' does not exists");
        PclErrorLog(-4, "File '$p_filename' does not exists");

        // ----- Return
        TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
        return PclErrorCode();
      }

      // ----- Check the path length
      if (strlen($p_filename) > 99)
      {
        // ----- Error log
        PclErrorLog(-5, "File name is too long (max. 99) : '$p_filename'");

        // ----- Return
        TrFctEnd(__FILE__, __LINE__, PclErrorCode(), PclErrorString());
        return PclErrorCode();
      }

      TrFctMessage(__FILE__, __LINE__, 4, "File position before header =".($p_mode=="tar"?ftell($p_tar):gztell($p_tar)));

      // ----- Add the file
      if (($v_result = PclTarHandleAddFile($p_tar, $p_filename, $p_mode, $v_header, $p_add_dir, $p_remove_dir)) != 1)
      {
        // ----- Return status
        TrFctEnd(__FILE__, __LINE__, $v_result);
        return $v_result;
      }

      // ----- Store the file infos
      $p_list_detail[$v_nb++] = $v_header;

      // ----- Look for directory
      if (is_dir($p_filename))
      {
        TrFctMessage(__FILE__, __LINE__, 2, "$p_filename is a directory");

        // ----- Look for path
        if ($p_filename != ".")
          $v_path = $p_filename."/";
        else
          $v_path = "";

        // ----- Read the directory for files and sub-directories
        $p_hdir = opendir($p_filename);
        $p_hitem = readdir($p_hdir); // '.' directory
        $p_hitem = readdir($p_hdir); // '..' directory
        while ($p_hitem = readdir($p_hdir))
        {
          // ----- Look for a file
          if (is_file($v_path.$p_hitem))
          {
            TrFctMessage(__FILE__, __LINE__, 4, "Add the file '".$v_path.$p_hitem."'");

            // ----- Add the file
            if (($v_result = PclTarHandleAddFile($p_tar, $v_path.$p_hitem, $p_mode, $v_header, $p_add_dir, $p_remove_dir)) != 1)
            {
              // ----- Return status
              TrFctEnd(__FILE__, __LINE__, $v_result);
              return $v_result;
            }

            // ----- Store the file infos
            $p_list_detail[$v_nb++] = $v_header;
          }

          // ----- Recursive call to PclTarHandleAddFile()
          else
          {
            TrFctMessage(__FILE__, __LINE__, 4, "'".$v_path.$p_hitem."' is a directory");

            // ----- Need an array as parameter
            $p_temp_list[0] = $v_path.$p_hitem;
            $v_result = PclTarHandleAddList($p_tar, $p_temp_list, $p_mode, $p_list_detail, $p_add_dir, $p_remove_dir);
          }
        }

        // ----- Free memory for the recursive loop