
  	   U€АР0їО  0   W€l–Гaѕ”кhҐ8 ]ёоҐ1hЯС„­І_‹uРb&=LV[(БР ?ч     W# Net::NNTP.pm
#
# Copyright (c) 1995-1997 Graham Barr <gbarr@pobox.com>. All rights reserved.
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.

package Net::NNTP;

use strict;
use vars qw(@ISA $VERSION $debug);
use IO::Socket;
use Net::Cmd;
use Carp;
use Time::Local;
use Net::Config;

$VERSION = "2.24";
@ISA     = qw(Net::Cmd IO::Socket::INET);


sub new {
  my $self = shift;
  my $type = ref($self) || $self;
  my ($host, %arg);
  if (@_ % 2) {
    $host = shift;
    %arg  = @_;
  }
  else {
    %arg  = @_;
    $host = delete $arg{Host};
  }
  my $obj;

  $host ||= $ENV{NNTPSERVER} || $ENV{NEWSHOST};

  my $hosts = defined $host ? [$host] : $NetConfig{nntp_hosts};

  @{$hosts} = qw(news)
    unless @{$hosts};

  my $h;
  foreach $h (@{$hosts}) {
    $obj = $type->SUPER::new(
      PeerAddr => ($host = $h),
      PeerPort => $arg{Port} || 'nntp(119)',
      Proto => 'tcp',
      Timeout => defined $arg{Timeout}
      ? $arg{Timeout}
      : 120
      )
      and last;
  }

  return undef
    unless defined $obj;

  ${*$obj}{'net_nntp_host'} = $host;

  $obj->autoflush(1);
  $obj->debug(exists $arg{Debug} ? $arg{Debug} : undef);

  unless ($obj->response() == CMD_OK) {
    $obj->close;
    return undef;
  }

  my $c = $obj->code;
  my @m = $obj->message;

  unless (exists $arg{Reader} && $arg{Reader} == 0) {

    # if server is INN and we have transfer rights the we are currently
    # talking to innd not nnrpd
    if ($obj->reader) {

      # If reader suceeds the we need to consider this code to determine postok
      $c = $obj->code;
    }
    else {

      # I want to ignore this failure, so restore the previous status.
      $obj->set_status($c, \@m);
    }
  }

  ${*$obj}{'net_nntp_post'} = $c == 200 ? 1 : 0;

  $obj;
}


sub host {
  my $me = shift;
  ${*$me}{'net_nntp_host'};
}


sub debug_text {
  my $nntp  = shift;
  my $inout = shift;
  my $text  = shift;

  if ( (ref($nntp) and $nntp->code == 350 and $text =~ /^(\S+)/)
    || ($text =~ /^(authinfo\s+pass)/io))
  {
    $text = "$1 ....\n";
  }

  $text;
}


sub postok {
  @_ == 1 or croak 'usage: $nntp->postok()';
  my $nntp = shift;
  ${*$nntp}{'net_nntp_post'} || 0;
}


sub article {
  @_ >= 1 && @_ <= 3 or croak 'usage: $nntp->article( [ MSGID ], [ FH ] )';
  my $nntp = shift;
  my @fh;

  @fh = (pop) if @_ == 2 || (@_ && (ref($_[0]) || ref(\$_[0]) eq 'GLOB'));

  $nntp->_ARTICLE(@_)
    ? $nntp->read_until_dot(@fh)
    : undef;
}


sub articlefh {
  @_ >= 1 && @_ <= 2 or croak 'usage: $nntp->articlefh( [ MSGID ] )';
  my $nntp = shift;

  return unless $nntp->_ARTICLE(@_);
  return $nntp->tied_fh;
}


sub authinfo {
  @_ == 3 or croak 'usage: $nntp->authinfo( USER, PASS )';
  my ($nntp, $user, $pass) = @_;

  $nntp->_AUTHINFO("USER",      $user) == CMD_MORE
    && $nntp->_AUTHINFO("PASS", $pass) == CMD_OK;
}


sub authinfo_simple {
  @_ == 3 or croak 'usage: $nntp->authinfo( USER, PASS )';
  my ($nntp, $user, $pass) = @_;

  $nntp->_AUTHINFO('SIMPLE') == CMD_MORE
    && $nntp->command($user, $pass)->response == CMD_OK;
}


sub body {
  @_ >= 1 && @_ <= 3 or croak 'usage: $nntp->body( [ MSGID ], [ FH ] )';
  my $nntp = shift;
  my @fh;

  @fh = (pop) if @_ == 2 || (@_ && ref($_[0]) || ref(\$_[0]) eq 'GLOB');

  $nntp->_BODY(@_)
    ? $nntp->read_until_dot(@fh)
    : undef;
}


sub bodyfh {
  @_ >= 1 && @_ <= 2 or croak 'usage: $nntp->bodyfh( [ MSGID ] )';
  my $nntp = shift;
  return unless $nntp->_BODY(@_);
  return $nntp->tied_fh;
}


sub head {
  @_ >= 1 && @_ <= 3 or croak 'usage: $nntp->head( [ MSGID ], [ FH ] )';
  my $nntp = shift;
  my @fh;

  @fh = (pop) if @_ == 2 || (@_ && ref($_[0]) || ref(\$_[0]) eq 'GLOB');

  $nntp->_HEAD(@_)
    ? $nntp->read_until_dot(@fh)
    : undef;
}


sub headfh {
  @_ >= 1 && @_ <= 2 or croak 'usage: $nntp->headfh( [ MSGID ] )';
  my $nntp = shift;
  return unless $nntp->_HEAD(@_);
  return $nntp->tied_fh;
}


sub nntpstat {
  @_ == 1 || @_ == 2 or croak 'usage: $nntp->nnt