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Member "RT-Extension-Assets-1.05/inc/Module/Install/Fetch.pm" (6 May 2015, 2455 Bytes) of package /linux/misc/RT-Extension-Assets-1.05.tar.gz:


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    1 #line 1
    2 package Module::Install::Fetch;
    3 
    4 use strict;
    5 use Module::Install::Base ();
    6 
    7 use vars qw{$VERSION @ISA $ISCORE};
    8 BEGIN {
    9     $VERSION = '1.14';
   10     @ISA     = 'Module::Install::Base';
   11     $ISCORE  = 1;
   12 }
   13 
   14 sub get_file {
   15     my ($self, %args) = @_;
   16     my ($scheme, $host, $path, $file) =
   17         $args{url} =~ m|^(\w+)://([^/]+)(.+)/(.+)| or return;
   18 
   19     if ( $scheme eq 'http' and ! eval { require LWP::Simple; 1 } ) {
   20         $args{url} = $args{ftp_url}
   21             or (warn("LWP support unavailable!\n"), return);
   22         ($scheme, $host, $path, $file) =
   23             $args{url} =~ m|^(\w+)://([^/]+)(.+)/(.+)| or return;
   24     }
   25 
   26     $|++;
   27     print "Fetching '$file' from $host... ";
   28 
   29     unless (eval { require Socket; Socket::inet_aton($host) }) {
   30         warn "'$host' resolve failed!\n";
   31         return;
   32     }
   33 
   34     return unless $scheme eq 'ftp' or $scheme eq 'http';
   35 
   36     require Cwd;
   37     my $dir = Cwd::getcwd();
   38     chdir $args{local_dir} or return if exists $args{local_dir};
   39 
   40     if (eval { require LWP::Simple; 1 }) {
   41         LWP::Simple::mirror($args{url}, $file);
   42     }
   43     elsif (eval { require Net::FTP; 1 }) { eval {
   44         # use Net::FTP to get past firewall
   45         my $ftp = Net::FTP->new($host, Passive => 1, Timeout => 600);
   46         $ftp->login("anonymous", 'anonymous@example.com');
   47         $ftp->cwd($path);
   48         $ftp->binary;
   49         $ftp->get($file) or (warn("$!\n"), return);
   50         $ftp->quit;
   51     } }
   52     elsif (my $ftp = $self->can_run('ftp')) { eval {
   53         # no Net::FTP, fallback to ftp.exe
   54         require FileHandle;
   55         my $fh = FileHandle->new;
   56 
   57         local $SIG{CHLD} = 'IGNORE';
   58         unless ($fh->open("|$ftp -n")) {
   59             warn "Couldn't open ftp: $!\n";
   60             chdir $dir; return;
   61         }
   62 
   63         my @dialog = split(/\n/, <<"END_FTP");
   64 open $host
   65 user anonymous anonymous\@example.com
   66 cd $path
   67 binary
   68 get $file $file
   69 quit
   70 END_FTP
   71         foreach (@dialog) { $fh->print("$_\n") }
   72         $fh->close;
   73     } }
   74     else {
   75         warn "No working 'ftp' program available!\n";
   76         chdir $dir; return;
   77     }
   78 
   79     unless (-f $file) {
   80         warn "Fetching failed: $@\n";
   81         chdir $dir; return;
   82     }
   83 
   84     return if exists $args{size} and -s $file != $args{size};
   85     system($args{run}) if exists $args{run};
   86     unlink($file) if $args{remove};
   87 
   88     print(((!exists $args{check_for} or -e $args{check_for})
   89         ? "done!" : "failed! ($!)"), "\n");
   90     chdir $dir; return !$?;
   91 }
   92 
   93 1;