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FakeCookie.pm  view on Meta::CPAN

    my(@pairs) = split("; ?",$raw_cookie);
    foreach (@pairs) {
      s/\s*(.*?)\s*/$1/;
      my($key,$value) = split("=",$_,2);
    # Some foreign cookies are not in name=value format, so ignore
    # them.
      next if !defined($value);
      my @values = ();
      if ($value ne '') {
        @values = map unescape($_),split(/[&;]/,$value.'&dmy');
        pop @values;
      }
      $key = unescape($key);
      # A bug in Netscape can cause several cookies with same name to
      # appear.  The FIRST one in HTTP_COOKIE is the most recent version.
      $results{$key} ||= $self->new(undef,-name=>$key,-value=>\@values);
    }
    $self = \%results;
    bless $self, $class;
    $Cookies = $self;
  }
  @_ = ($self);
  goto &fetch;
}
sub expires {
  my $self = shift;
  $self->{-expires} = _expires(shift)
	if @_;
  return (exists $self->{-expires} &&
	  defined $self->{-expires})
	? $self->{-expires} : undef;
}
# Adapted from CGI::Cookie v1.20 by Lincoln Stein
# This internal routine creates date strings suitable for use in
# cookies and HTTP headers.  (They differ, unfortunately.)
# Thanks to Mark Fisher for this.
sub _expires {
    my($time) = @_;
    my(@MON)=qw/Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec/;
    my(@WDAY) = qw/Sun Mon Tue Wed Thu Fri Sat/;

    # pass through preformatted dates for the sake of expire_calc()
    $time = _expire_calc($time);
    return $time unless $time =~ /^\d+$/;
    my $sc = '-';
    my($sec,$min,$hour,$mday,$mon,$year,$wday) = gmtime($time);
    $year += 1900;
    return sprintf("%s, %02d$sc%s$sc%04d %02d:%02d:%02d GMT",
                   $WDAY[$wday],$mday,$MON[$mon],$year,$hour,$min,$sec);
}
# Copied directly from CGI::Cookie v1.20 by Lincoln Stein
# This internal routine creates an expires time exactly some number of
# hours from the current time.  It incorporates modifications from 
# Mark Fisher.
sub _expire_calc {
    my($time) = @_;
    my(%mult) = ('s'=>1,
                 'm'=>60,
                 'h'=>60*60,
                 'd'=>60*60*24,
                 'M'=>60*60*24*30,
                 'y'=>60*60*24*365);
    # format for time can be in any of the forms...
    # "now" -- expire immediately
    # "+180s" -- in 180 seconds
    # "+2m" -- in 2 minutes
    # "+12h" -- in 12 hours
    # "+1d"  -- in 1 day
    # "+3M"  -- in 3 months
    # "+2y"  -- in 2 years
    # "-3m"  -- 3 minutes ago(!)
    # If you don't supply one of these forms, we assume you are
    # specifying the date yourself
    my($offset);
    if (!$time || (lc($time) eq 'now')) {
        $offset = 0;
    } elsif ($time=~/^\d+/) {
        return $time;
    } elsif ($time=~/^([+-]?(?:\d+|\d*\.\d*))([mhdMy]?)/) {
        $offset = ($mult{$2} || 1)*$1;
    } else {
        return $time;
    }
    return (time+$offset);
}
sub remove {
  my ($self,$name) = @_;
  if ($name) {
    delete $Cookies->{$name} if exists $Cookies->{$name};
  } else {
    delete $Cookies->{$self->{-name}}
	if exists $Cookies->{$self->{-name}};
  }
}
sub as_string {
  my $self = shift;
  return '' unless $self->name;
  my %cook = %$self;
  my $cook = ($cook{-name}) ? escape($cook{-name}) . '=' : '';
  if ($cook{-value}) {
    my $i = '';
    foreach(@{$cook{-value}}) {
      $cook .= $i . escape($_);
      $i = '&'; 
    }
  }  
  foreach(qw(domain path)) {
    $cook .= "; $_=" . $cook{"-$_"} if $cook{"-$_"};
  }
  $cook .= "; expires=$_" if ($_ = expires(\%cook));
  $cook .= ($cook{-secure}) ? '; secure' : '';
}

### helpers
sub do_this {
  (caller(1))[3] =~ /[^:]+$/;
  splice(@_,1,0,'-'.$&);
  goto &cookie_item;
}
# get or set a named item in cookie hash
sub cookie_item {
  my($self,$item,$val) = @_;