Open-ILS/src/perlmods/OpenILS/WWW/Redirect.pm

   1 package OpenILS::WWW::Redirect;
   2 use strict; use warnings;
   3
   4 use Socket;
   5 use Apache2::Log;
   6 use Apache2::Const -compile => qw(OK REDIRECT :log);
   7 use APR::Const    -compile => qw(:error SUCCESS);
   8 use Apache2::RequestRec ();
   9 use Apache2::RequestIO ();
  10 use CGI ();
  11
  12 use OpenSRF::AppSession;
  13 use OpenSRF::System;
  14 use OpenSRF::Utils::Logger qw/$logger/;
  15
  16 use vars '$lib_ips_hash';
  17 my $lib_ips_hash;
  18
  19 my $bootstrap_config_file;
  20 sub import {
  21         my( $self, $config ) = @_;
  22         $bootstrap_config_file = $config;
  23 }
  24
  25 sub init {
  26         OpenSRF::System->bootstrap_client( config_file => $bootstrap_config_file );
  27 }
  28
  29 sub parse_ips_file {
  30     my $class = shift;
  31     my $ips_file = shift;
  32
  33     if( open(F, $ips_file) ) {
  34
  35        while( my $data = <F> ) {
  36          chomp($data);
  37
  38          my( $shortname, $ip1, $ip2 ) = split(/\s+/, $data);
  39          next unless ($shortname and $ip1 and $ip2);
  40
  41          $lib_ips_hash->{$shortname} = [] unless $lib_ips_hash->{$shortname};
  42          push( @{$lib_ips_hash->{$shortname}}, [ $ip1, $ip2 ] );
  43        }
  44
  45        close(F);
  46
  47     } else {
  48         $logger->error("Unable to open lib IP redirector file $ips_file");
  49     }
  50 }
  51
  52
  53 sub handler {
  54
  55         my $user_ip = $ENV{REMOTE_ADDR};
  56         my $apache_obj = shift;
  57         my $cgi = CGI->new( $apache_obj );
  58
  59         my $hostname = $cgi->server_name();
  60         my $port                = $cgi->server_port();
  61
  62         my $proto = "http";
  63         if($cgi->https) { $proto = "https"; }
  64
  65         my $url = "$proto://$hostname:$port/opac/en-US/skin/default/xml/index.xml";
  66
  67         my $path = $apache_obj->path_info();
  68
  69         $logger->debug("Apache client connecting from $user_ip");
  70
  71         if(my $shortname = redirect_libs($user_ip)) {
  72
  73                 $logger->info("Apache redirecting $user_ip to $shortname");
  74                 my $session = OpenSRF::AppSession->create("open-ils.storage");
  75
  76                 my $org = $session->request(
  77                         "open-ils.storage.direct.actor.org_unit.search.shortname",
  78                          $shortname)->gather(1);
  79
  80                 if($org) { $url .= "?ol=" . $org->id; }
  81         }
  82
  83         print "Location: $url\n\n";
  84         return Apache2::Const::REDIRECT;
  85
  86         return print_page($url);
  87 }
  88
  89 sub redirect_libs {
  90         my $source_ip = shift;
  91         my $aton_binary = inet_aton( $source_ip );
  92
  93     return 0 unless $aton_binary;
  94
  95         # do this the linear way for now...
  96         for my $shortname (keys %$lib_ips_hash) {
  97
  98         for my $block (@{$lib_ips_hash->{$shortname}}) {
  99
 100             if(defined($block->[0]) && defined($block->[1]) ) {
 101                 my $start_binary        = inet_aton( $block->[0] );
 102                 my $end_binary          = inet_aton( $block->[1] );
 103                 next unless( $start_binary and $end_binary );
 104                 if( $start_binary le $aton_binary and
 105                         $end_binary ge $aton_binary ) {
 106                     return $shortname;
 107                 }
 108             }
 109         }
 110         }
 111         return 0;
 112 }
 113
 114
 115 sub print_page {
 116
 117         my $url = shift;
 118
 119         print "Content-type: text/html; charset=utf-8\n\n";
 120         print <<"       HTML";
 121         <html>
 122                 <head>
 123                         <meta HTTP-EQUIV='Refresh' CONTENT="0; URL=$url"/>
 124                         <style  TYPE="text/css">
 125                                 .loading_div {
 126                                         text-align:center;
 127                                         margin-top:30px;
 128                                 font-weight:bold;
 129                                                 background: lightgrey;
 130                                         color:black;
 131                                         width:100%;
 132                                 }
 133                         </style>
 134                 </head>
 135                 <body>
 136                         <br/><br/>
 137                         <div class="loading_div">
 138                                 <h4>Loading...</h4>
 139                         </div>
 140                         <br/><br/>
 141                         <center><img src='/opac/images/main_logo.jpg'/></center>
 142                 </body>
 143         </html>
 144         HTML
 145
 146         return Apache2::Const::OK;
 147 }
 148
 149
 150 1;