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

   1 package OpenILS::WWW::Proxy;
   2 use strict; use warnings;
   3
   4 use Apache2::Log;
   5 use Apache2::Const -compile => qw(REDIRECT FORBIDDEN OK NOT_FOUND DECLINED :log);
   6 use APR::Const    -compile => qw(:error SUCCESS);
   7 use CGI;
   8 use Data::Dumper;
   9 use Digest::MD5 qw/md5_hex/;
  10
  11 use OpenSRF::EX qw(:try);
  12 use OpenSRF::System;
  13
  14
  15 # set the bootstrap config and template include directory when
  16 # this module is loaded
  17 my $bootstrap;
  18 my $ssl_off;
  19
  20 sub import {
  21         my $self = shift;
  22         $bootstrap = shift;
  23         $ssl_off = shift;
  24 }
  25
  26
  27 sub child_init {
  28         OpenSRF::System->bootstrap_client( config_file => $bootstrap );
  29 }
  30
  31 sub handler {
  32         my $apache = shift;
  33
  34         my $proxyhtml = $apache->dir_config('OILSProxyHTML');
  35         my $title = $apache->dir_config('OILSProxyTitle');
  36         my $desc = $apache->dir_config('OILSProxyDescription');
  37         my $ltype = $apache->dir_config('OILSProxyLoginType');
  38         my $perms = [ split ' ', $apache->dir_config('OILSProxyPermissions') ];
  39
  40         return Apache2::Const::NOT_FOUND unless ($title || $proxyhtml);
  41         return Apache2::Const::NOT_FOUND unless (@$perms);
  42
  43         my $cgi = new CGI;
  44         my $auth_ses = $cgi->cookie('ses') || $cgi->param('ses');
  45         my $ws_ou = $cgi->cookie('ws_ou') || $cgi->param('ws_ou');
  46
  47         my $url = $cgi->url;
  48
  49         # push everyone to the secure site
  50         if (!$ssl_off && $url =~ /^http:/o) {
  51                 $url =~ s/^http:/https:/o;
  52                 print "Location: $url\n\n";
  53                 return Apache2::Const::OK;
  54         }
  55
  56         if (!$auth_ses) {
  57                 my $u = $cgi->param('user');
  58                 my $p = $cgi->param('passwd');
  59
  60                 if (!$u) {
  61
  62                         print $cgi->header(-type=>'text/html', -expires=>'-1d');
  63                         if (!$proxyhtml) {
  64                                 $proxyhtml = join '', <DATA>;
  65                                 $proxyhtml =~ s/TITLE/$title/gso;
  66                                 $proxyhtml =~ s/DESCRIPTION/$desc/gso;
  67                         } else {
  68                                 # XXX template toolkit??
  69                         }
  70
  71                         print $proxyhtml;
  72                         return Apache2::Const::OK;
  73                 }
  74
  75                 $auth_ses = oils_login($u, $p, $ltype);
  76                 if ($auth_ses) {
  77                         print $cgi->redirect(
  78                                 -uri=>$url,
  79                                 -cookie=>$cgi->cookie(
  80                                         -name=>'ses',
  81                                         -value=>$auth_ses,
  82                                         -path=>'/',-expires=>'+1h'
  83                                 )
  84                         );
  85                         return Apache2::Const::REDIRECT;
  86                 }
  87         }
  88
  89         my $user = verify_login($auth_ses);
  90         return Apache2::Const::FORBIDDEN unless ($user);
  91
  92         $ws_ou ||= $user->home_ou;
  93
  94         warn "Checking perms " . join(',', @$perms) . " for user " . $user->id . " at location $ws_ou\n";
  95
  96         my $failures = OpenSRF::AppSession
  97                 ->create('open-ils.actor')
  98                 ->request('open-ils.actor.user.perm.check', $auth_ses, $user->id, $ws_ou, $perms)
  99                 ->gather(1);
 100
 101         return Apache2::Const::FORBIDDEN if (@$failures > 0);
 102
 103         # they're good, let 'em through
 104         return Apache2::Const::DECLINED;
 105 }
 106
 107 # returns the user object if the session is valid, 0 otherwise
 108 sub verify_login {
 109         my $auth_token = shift;
 110         return undef unless $auth_token;
 111
 112         my $user = OpenSRF::AppSession
 113                 ->create("open-ils.auth")
 114                 ->request( "open-ils.auth.session.retrieve", $auth_token )
 115                 ->gather(1);
 116
 117         if (ref($user) eq 'HASH' && $user->{ilsevent} == 1001) {
 118                 return undef;
 119         }
 120
 121         return $user if ref($user);
 122         return undef;
 123 }
 124
 125 sub oils_login {
 126         my( $username, $password, $type ) = @_;
 127
 128         $type |= "staff";
 129         my $nametype = 'username';
 130         $nametype = 'barcode' if ($username =~ /^\d+$/o);
 131
 132         my $seed = OpenSRF::AppSession
 133                 ->create("open-ils.auth")
 134                 ->request( 'open-ils.auth.authenticate.init', $username )
 135                 ->gather(1);
 136
 137         return undef unless $seed;
 138
 139         my $response = OpenSRF::AppSession
 140                 ->create("open-ils.auth")
 141                 ->request( 'open-ils.auth.authenticate.complete',
 142                         { $nametype => $username,
 143                           password => md5_hex($seed . md5_hex($password)),
 144                           type => $type })
 145                 ->gather(1);
 146
 147         return undef unless $response;
 148
 149         return $response->{payload}->{authtoken};
 150 }
 151
 152
 153
 154 1;
 155
 156 __DATA__
 157 <html>
 158         <head>
 159                 <title>TITLE</title>
 160         </head>
 161         <body>
 162                 <br/><br/><br/>
 163                 <center>
 164                 <form method='POST'>
 165                         <table style='border-collapse: collapse; border: 1px solid black;'>
 166                                 <tr>
 167                                         <th colspan='2' align='center'><u>DESCRIPTION</u></th>
 168                                 </tr>
 169                                 <tr>
 170                                         <th align="right">Username or barcode:</th>
 171                                         <td><input type="text" name="user"/></td>
 172                                 </tr>
 173                                 <tr>
 174                                         <th align="right">Password:</th>
 175                                         <td><input type="password" name="passwd"/></td>
 176                                 </tr>
 177                         </table>
 178                         <input type="submit" value="Log in"/>
 179                 </form>
 180                 </center>
 181         </body>
 182 </html>
 183