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package HTTP::Cookies::Microsoft;
use strict;
our $VERSION = '6.11';
require HTTP::Cookies;
our @ISA=qw(HTTP::Cookies);
sub load_cookies_from_file
{
my ($file) = @_;
my @cookies;
open (my $fh, '<', $file) || return;
while (my $key = <$fh>) {
chomp $key;
my ($value, $domain_path, $flags, $lo_expire, $hi_expire);
my ($lo_create, $hi_create, $sep);
chomp($value = <$fh>);
chomp($domain_path= <$fh>);
chomp($flags = <$fh>); # 0x0001 bit is for secure
chomp($lo_expire = <$fh>);
chomp($hi_expire = <$fh>);
chomp($lo_create = <$fh>);
chomp($hi_create = <$fh>);
chomp($sep = <$fh>);
if (!defined($key) || !defined($value) || !defined($domain_path) ||
!defined($flags) || !defined($hi_expire) || !defined($lo_expire) ||
!defined($hi_create) || !defined($lo_create) || !defined($sep) ||
($sep ne '*'))
{
last;
}
if ($domain_path =~ /^([^\/]+)(\/.*)$/) {
my $domain = $1;
my $path = $2;
push @cookies, {
KEY => $key, VALUE => $value, DOMAIN => $domain,
PATH => $path, FLAGS =>$flags, HIXP =>$hi_expire,
LOXP => $lo_expire, HICREATE => $hi_create,
LOCREATE => $lo_create
};
}
}
return \@cookies;
}
sub get_user_name
{
use Win32;
use locale;
my $user = lc(Win32::LoginName());
return $user;
}
# MSIE stores create and expire times as Win32 FILETIME,
# which is 64 bits of 100 nanosecond intervals since Jan 01 1601
#
# But Cookies code expects time in 32-bit value expressed
# in seconds since Jan 01 1970
#
sub epoch_time_offset_from_win32_filetime
{
my ($high, $low) = @_;
#--------------------------------------------------------
# USEFUL CONSTANT
#--------------------------------------------------------
# 0x019db1de 0xd53e8000 is 1970 Jan 01 00:00:00 in Win32 FILETIME
#
# 100 nanosecond intervals == 0.1 microsecond intervals
my $filetime_low32_1970 = 0xd53e8000;
my $filetime_high32_1970 = 0x019db1de;
#------------------------------------
# ALGORITHM
#------------------------------------
# To go from 100 nanosecond intervals to seconds since 00:00 Jan 01 1970:
#
# 1. Adjust 100 nanosecond intervals to Jan 01 1970 base
# 2. Divide by 10 to get to microseconds (1/millionth second)
# 3. Divide by 1000000 (10 ^ 6) to get to seconds
#
# We can combine Step 2 & 3 into one divide.
#
# After much trial and error, I came up with the following code which
# avoids using Math::BigInt or floating pt, but still gives correct answers
# If the filetime is before the epoch, return 0
if (($high < $filetime_high32_1970) ||
(($high == $filetime_high32_1970) && ($low < $filetime_low32_1970)))
{
return 0;
}
# Can't multiply by 0x100000000, (1 << 32),
# without Perl issuing an integer overflow warning
#
# So use two multiplies by 0x10000 instead of one multiply by 0x100000000
#
# The result is the same.
#
my $date1970 = (($filetime_high32_1970 * 0x10000) * 0x10000) + $filetime_low32_1970;
my $time = (($high * 0x10000) * 0x10000) + $low;
$time -= $date1970;
$time /= 10000000;
return $time;
}
sub load_cookie
{
my($self, $file) = @_;
my $now = time() - $HTTP::Cookies::EPOCH_OFFSET;
my $cookie_data;
if (-f $file)
{
# open the cookie file and get the data
$cookie_data = load_cookies_from_file($file);
foreach my $cookie (@{$cookie_data})
{
my $secure = ($cookie->{FLAGS} & 1) != 0;
my $expires = epoch_time_offset_from_win32_filetime($cookie->{HIXP}, $cookie->{LOXP});
$self->set_cookie(undef, $cookie->{KEY}, $cookie->{VALUE},
$cookie->{PATH}, $cookie->{DOMAIN}, undef,
0, $secure, $expires-$now, 0);
}
}
}
sub load
{
my($self, $cookie_index) = @_;
my $now = time() - $HTTP::Cookies::EPOCH_OFFSET;
my $cookie_dir = '';
my $delay_load = (defined($self->{'delayload'}) && $self->{'delayload'});
my $user_name = get_user_name();
my $data;
$cookie_index ||= $self->{'file'} || return;
if ($cookie_index =~ /[\\\/][^\\\/]+$/) {
$cookie_dir = $` . "\\";
}
open (my $fh, '<:raw', $cookie_index) || return;
if (256 != read($fh, $data, 256)) {
warn "$cookie_index file is not large enough";
return;
}
# Cookies' index.dat file starts with 32 bytes of signature
# followed by an offset to the first record, stored as a little-endian DWORD
my ($sig, $size) = unpack('a32 V', $data);
# check that sig is valid (only tested in IE6.0)
if (($sig !~ /^Client UrlCache MMF Ver 5\.2/) || (0x4000 != $size)) {
warn "$cookie_index ['$sig' $size] does not seem to contain cookies";
return;
}
# move the file ptr to start of the first record
if (0 == seek($fh, $size, 0)) {
return;
}
# Cookies are usually stored in 'URL ' records in two contiguous 0x80 byte sectors (256 bytes)
# so read in two 0x80 byte sectors and adjust if not a Cookie.
while (256 == read($fh, $data, 256)) {
# each record starts with a 4-byte signature
# and a count (little-endian DWORD) of 0x80 byte sectors for the record
($sig, $size) = unpack('a4 V', $data);
# Cookies are found in 'URL ' records
if ('URL ' ne $sig) {
# skip over uninteresting record: I've seen 'HASH' and 'LEAK' records
if (($sig eq 'HASH') || ($sig eq 'LEAK')) {
# '-2' takes into account the two 0x80 byte sectors we've just read in
if (($size > 0) && ($size != 2)) {
if (0 == seek($fh, ($size-2)*0x80, 1)) {
# Seek failed. Something's wrong. Gonna stop.
last;
}
}
}
next;
}
#$REMOVE Need to check if URL records in Cookies' index.dat will
# ever use more than two 0x80 byte sectors
if ($size > 2) {
my $more_data = ($size-2)*0x80;
if ($more_data != read($fh, $data, $more_data, 256)) {
last;
}
}
(my $user_name2 = $user_name) =~ s/ /_/g;
if ($data =~ /Cookie:\Q$user_name\E@([\x21-\xFF]+).*?((?:\Q$user_name\E|\Q$user_name2\E)@[\x21-\xFF]+\.txt)/) {
my $cookie_file = $cookie_dir . $2; # form full pathname
if (!$delay_load) {
$self->load_cookie($cookie_file);
}
else {
my $domain = $1;
# grab only the domain name, drop everything from the first dir sep on
if ($domain =~ m{[\\/]}) {
$domain = $`;
}
# set the delayload cookie for this domain with
# the cookie_file as cookie for later-loading info
$self->set_cookie(undef, 'cookie', $cookie_file, '//+delayload', $domain, undef, 0, 0, $now+86_400, 0);
}
}
}
1;
}
1;
=pod
=encoding UTF-8
=head1 NAME
HTTP::Cookies::Microsoft - Access to Microsoft cookies files
=head1 VERSION
version 6.11
=head1 SYNOPSIS
use LWP;
use HTTP::Cookies::Microsoft;
use Win32::TieRegistry(Delimiter => "/");
my $cookies_dir = $Registry->
{"CUser/Software/Microsoft/Windows/CurrentVersion/Explorer/Shell Folders/Cookies"};
$cookie_jar = HTTP::Cookies::Microsoft->new(
file => "$cookies_dir\\index.dat",
'delayload' => 1,
);
my $browser = LWP::UserAgent->new;
$browser->cookie_jar( $cookie_jar );
=head1 DESCRIPTION
This is a subclass of C<HTTP::Cookies> which
loads Microsoft Internet Explorer 5.x and 6.x for Windows (MSIE)
cookie files.
See the documentation for L<HTTP::Cookies>.
=head1 METHODS
The following methods are provided:
=over 4
=item $cookie_jar = HTTP::Cookies::Microsoft->new;
The constructor takes hash style parameters. In addition
to the regular HTTP::Cookies parameters, HTTP::Cookies::Microsoft
recognizes the following:
delayload: delay loading of cookie data until a request
is actually made. This results in faster
runtime unless you use most of the cookies
since only the domain's cookie data
is loaded on demand.
=back
=head1 CAVEATS
Please note that the code DOESN'T support saving to the MSIE
cookie file format.
=head1 AUTHOR
Johnny Lee <typo_pl@hotmail.com>
=head1 COPYRIGHT
Copyright 2002 Johnny Lee
This library is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
=head1 AUTHOR
Gisle Aas <gisle@activestate.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2002 by Gisle Aas.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
__END__
#ABSTRACT: Access to Microsoft cookies files