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|
package ftp;
use Net::FTP;
use install_any;
use network;
use log;
my %hosts;
1;
sub fromEnv() {
# using URLPREFIX to find out information if kickstart
($ENV{LOGIN}, $ENV{PASSWORD}, $ENV{HOST}, $ENV{PREFIX}) =
$ENV{URLPREFIX} =~ m|
://
(?: ([^:]*) # login
(?: :([^@]*))? # password
@)?
([^/]*) # host
/?(.*) # prefix
|x unless $ENV{HOST};
@ENV{qw(HOST PREFIX LOGIN PASSWORD)};
}
sub new {
my ($host, $prefix, $login, $password) = @_;
my @l = do { if ($hosts{"$host$prefix"}) {
@{$hosts{"$host$prefix"}};
} else {
my %options = (Passive => 1);
$options{Firewall} = $ENV{PROXY} if $ENV{PROXY};
$options{Port} = $ENV{PROXYPORT} if $ENV{PROXYPORT};
unless ($login) {
$login = 'anonymous';
$password = '-drakx@';
}
my $ftp = Net::FTP->new(network::resolv($host), %options) or die '';
$ftp->login($login, $password) or die '';
$ftp->binary;
$ftp->cwd($prefix);
my @l = ($ftp, \ (my $retr = undef));
$hosts{"$host$prefix"} = \@l;
@l;
}};
wantarray ? @l : $l[0];
}
sub getFile {
my $f = shift;
my ($ftp, $retr) = new(@_ ? @_ : fromEnv);
$$retr->close if $$retr;
$$retr = $ftp->retr(install_any::relGetFile($f)) or rewindGetFile();
$$retr ||= $ftp->retr(install_any::relGetFile($f));
}
sub rewindGetFile() {
#- close any existing connection.
foreach (values %hosts) {
my ($ftp) = @{$_ || []};
$ftp->close() if $ftp;
}
#- make sure to reconnect to server.
%hosts = ();
}
|
