SL/InstallationCheck.pm

   1 package SL::InstallationCheck;
   2
   3 use English '-no_match_vars';
   4 use IO::File;
   5
   6 use vars qw(@required_modules @optional_modules);
   7
   8 @required_modules = (
   9   { "name" => "Class::Accessor", "url" => "http://search.cpan.org/~kasei/" },
  10   { "name" => "CGI", "url" => "http://search.cpan.org/~lds/" },
  11   { "name" => "CGI::Ajax", "url" => "http://search.cpan.org/~bct/" },
  12   { "name" => "DBI", "url" => "http://search.cpan.org/~timb/" },
  13   { "name" => "DBD::Pg", "url" => "http://search.cpan.org/~dbdpg/" },
  14   { "name" => "Archive::Zip", "url" => "http://search.cpan.org/~adamk/" },
  15   { "name" => "Text::Iconv", "url" => "http://search.cpan.org/~mpiotr/" },
  16   { "name" => "Time::HiRes", "url" => "http://search.cpan.org/~jhi/" },
  17   { "name" => "YAML", "url" => "http://search.cpan.org/~ingy/" },
  18   { "name" => "IO::Wrap", "url" => "http://search.cpan.org/~dskoll/" },
  19   { "name" => "Text::CSV_XS", "url" => "http://search.cpan.org/~hmbrand/" },
  20   { "name" => "List::Util", "url" => "http://search.cpan.org/~gbarr/" },
  21   { "name" => "Template", "url" => "http://search.cpan.org/~abw/" },
  22   { "name" => "Digest::MD5", "url" => "http://search.cpan.org/~gaas/" },
  23   );
  24
  25 @optional_modules = (
  26   { "name" => "PDF::API2", "url" => "http://search.cpan.org/~areibens/" },
  27   );
  28
  29 sub module_available {
  30   my ($module) = @_;
  31
  32   if (!defined(eval("require $module;"))) {
  33     return 0;
  34   } else {
  35     return 1;
  36   }
  37 }
  38
  39 my %conditional_dependencies;
  40
  41 sub check_for_conditional_dependencies {
  42   if (!$conditional_dependencies{net_ldap}) {
  43     $conditional_dependencies{net_ldap} = 1;
  44
  45     my $in = IO::File->new('config/authentication.pl', 'r');
  46     if ($in) {
  47       my $self = {};
  48       my $code;
  49
  50       while (my $line = <$in>) {
  51         $code .= $line;
  52       }
  53       $in->close();
  54
  55       eval $code;
  56
  57       if (! $EVAL_ERROR) {
  58
  59         if ($self->{module} && ($self->{module} eq 'LDAP')) {
  60           push @required_modules, { 'name' => 'Net::LDAP', 'url' => 'http://search.cpan.org/~gbarr/' };
  61         }
  62       }
  63     }
  64   }
  65 }
  66
  67 sub test_all_modules {
  68   return grep { !module_available($_->{name}) } @required_modules;
  69 }
  70
  71 1;