1 | #line 1 |
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2 | package Module::Install::Fetch; |
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3 | |
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4 | use strict; |
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5 | use Module::Install::Base (); |
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6 | |
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7 | use vars qw{$VERSION @ISA $ISCORE}; |
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8 | BEGIN { |
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9 | $VERSION = '0.91'; |
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10 | @ISA = 'Module::Install::Base'; |
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11 | $ISCORE = 1; |
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12 | } |
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13 | |
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14 | sub get_file { |
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15 | my ($self, %args) = @_; |
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16 | my ($scheme, $host, $path, $file) = |
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17 | $args{url} =~ m|^(\w+)://([^/]+)(.+)/(.+)| or return; |
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18 | |
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19 | if ( $scheme eq 'http' and ! eval { require LWP::Simple; 1 } ) { |
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20 | $args{url} = $args{ftp_url} |
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21 | or (warn("LWP support unavailable!\n"), return); |
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22 | ($scheme, $host, $path, $file) = |
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23 | $args{url} =~ m|^(\w+)://([^/]+)(.+)/(.+)| or return; |
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24 | } |
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25 | |
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26 | $|++; |
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27 | print "Fetching '$file' from $host... "; |
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28 | |
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29 | unless (eval { require Socket; Socket::inet_aton($host) }) { |
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30 | warn "'$host' resolve failed!\n"; |
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31 | return; |
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32 | } |
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33 | |
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34 | return unless $scheme eq 'ftp' or $scheme eq 'http'; |
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35 | |
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36 | require Cwd; |
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37 | my $dir = Cwd::getcwd(); |
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38 | chdir $args{local_dir} or return if exists $args{local_dir}; |
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39 | |
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40 | if (eval { require LWP::Simple; 1 }) { |
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41 | LWP::Simple::mirror($args{url}, $file); |
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42 | } |
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43 | elsif (eval { require Net::FTP; 1 }) { eval { |
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44 | # use Net::FTP to get past firewall |
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45 | my $ftp = Net::FTP->new($host, Passive => 1, Timeout => 600); |
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46 | $ftp->login("anonymous", 'anonymous@example.com'); |
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47 | $ftp->cwd($path); |
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48 | $ftp->binary; |
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49 | $ftp->get($file) or (warn("$!\n"), return); |
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50 | $ftp->quit; |
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51 | } } |
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52 | elsif (my $ftp = $self->can_run('ftp')) { eval { |
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53 | # no Net::FTP, fallback to ftp.exe |
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54 | require FileHandle; |
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55 | my $fh = FileHandle->new; |
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56 | |
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57 | local $SIG{CHLD} = 'IGNORE'; |
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58 | unless ($fh->open("|$ftp -n")) { |
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59 | warn "Couldn't open ftp: $!\n"; |
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60 | chdir $dir; return; |
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61 | } |
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62 | |
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63 | my @dialog = split(/\n/, <<"END_FTP"); |
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64 | open $host |
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65 | user anonymous anonymous\@example.com |
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66 | cd $path |
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67 | binary |
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68 | get $file $file |
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69 | quit |
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70 | END_FTP |
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71 | foreach (@dialog) { $fh->print("$_\n") } |
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72 | $fh->close; |
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73 | } } |
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74 | else { |
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75 | warn "No working 'ftp' program available!\n"; |
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76 | chdir $dir; return; |
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77 | } |
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78 | |
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79 | unless (-f $file) { |
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80 | warn "Fetching failed: $@\n"; |
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81 | chdir $dir; return; |
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82 | } |
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83 | |
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84 | return if exists $args{size} and -s $file != $args{size}; |
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85 | system($args{run}) if exists $args{run}; |
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86 | unlink($file) if $args{remove}; |
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87 | |
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88 | print(((!exists $args{check_for} or -e $args{check_for}) |
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89 | ? "done!" : "failed! ($!)"), "\n"); |
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90 | chdir $dir; return !$?; |
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91 | } |
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92 | |
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93 | 1; |
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