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#line 1
package Module::Install::Fetch;
use strict;
use Module::Install::Base;
use vars qw{$VERSION $ISCORE @ISA};
BEGIN {
$VERSION = '0.73';
$ISCORE = 1;
@ISA = qw{Module::Install::Base};
}
sub get_file {
my ($self, %args) = @_;
my ($scheme, $host, $path, $file) =
$args{url} =~ m|^(\w+)://([^/]+)(.+)/(.+)| or return;
if ( $scheme eq 'http' and ! eval { require LWP::Simple; 1 } ) {
$args{url} = $args{ftp_url}
or (warn("LWP support unavailable!\n"), return);
($scheme, $host, $path, $file) =
$args{url} =~ m|^(\w+)://([^/]+)(.+)/(.+)| or return;
}
$|++;
print "Fetching '$file' from $host... ";
unless (eval { require Socket; Socket::inet_aton($host) }) {
warn "'$host' resolve failed!\n";
return;
}
return unless $scheme eq 'ftp' or $scheme eq 'http';
require Cwd;
my $dir = Cwd::getcwd();
chdir $args{local_dir} or return if exists $args{local_dir};
if (eval { require LWP::Simple; 1 }) {
LWP::Simple::mirror($args{url}, $file);
}
elsif (eval { require Net::FTP; 1 }) { eval {
# use Net::FTP to get past firewall
my $ftp = Net::FTP->new($host, Passive => 1, Timeout => 600);
$ftp->login("anonymous", 'anonymous@example.com');
$ftp->cwd($path);
$ftp->binary;
$ftp->get($file) or (warn("$!\n"), return);
$ftp->quit;
} }
elsif (my $ftp = $self->can_run('ftp')) { eval {
# no Net::FTP, fallback to ftp.exe
require FileHandle;
my $fh = FileHandle->new;
local $SIG{CHLD} = 'IGNORE';
unless ($fh->open("|$ftp -n")) {
warn "Couldn't open ftp: $!\n";
chdir $dir; return;
}
my @dialog = split(/\n/, <<"END_FTP");
open $host
user anonymous anonymous\@example.com
cd $path
binary
get $file $file
quit
END_FTP
foreach (@dialog) { $fh->print("$_\n") }
$fh->close;
} }
else {
warn "No working 'ftp' program available!\n";
chdir $dir; return;
}
unless (-f $file) {
warn "Fetching failed: $@\n";
chdir $dir; return;
}
return if exists $args{size} and -s $file != $args{size};
system($args{run}) if exists $args{run};
unlink($file) if $args{remove};
print(((!exists $args{check_for} or -e $args{check_for})
? "done!" : "failed! ($!)"), "\n");
chdir $dir; return !$?;
}
1;
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