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Bug #4974: better message if uploaded filename is not supported

    1: # The LearningOnline Network
    2: # Unauthorized to access construction space
    3: #
    4: # $Id: lonunauthorized.pm,v 1.10 2011/06/07 18:05:08 www Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::lonunauthorized;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common);
   33: use Apache::loncommon;
   34: use Apache::lonnet;
   35: use Apache::loncacc;
   36: use Apache::lonlocal;
   37: use LONCAPA();
   38: 
   39: sub handler {
   40:     my $r = shift;
   41:     &Apache::loncommon::content_type($r,'text/html');
   42:     $r->send_http_header;
   43:     return OK if $r->header_only;
   44: 
   45: # ------------------------------------------------------------ Print the screen
   46: # Figure out who the user is and what they wanted to access
   47: 
   48:     my ($ownername,$ownerdomain)=
   49:      &Apache::loncacc::constructaccess($env{'request.editurl'},$r->dir_config('lonDefDomain'));
   50: # print header
   51:     $r->print(&Apache::loncommon::start_page("Failed Access to Construction Space",
   52: 					     undef,
   53: 					     {'domain' => $ownerdomain,}));
   54: # figure out what went wrong
   55: 
   56:     if ($ownerdomain) {
   57: 	$r->print('<p class="LC_error">'
   58:                  .&mt('The construction space for this resource is located on another server.')
   59:                  .'</p>'
   60:                  .'<p>'
   61:                  .&mt('Choose another server.')
   62:                  .'</p>');
   63:         my $ownerhome=&Apache::lonnet::homeserver($ownername,$ownerdomain);
   64:         unless ($ownerhome eq 'no_host') {
   65: 	    $r->print('<p>'
   66:                      .&mt('Please log into [_1] to edit.'
   67:                          ,'<tt>'.&Apache::lonnet::hostname($ownerhome).'</tt>')
   68:                      .'</p>');
   69:         }
   70:     } elsif (!$env{'request.editurl'}) {
   71:         $r->print('<p class="LC_error">'
   72:                  .&mt('There may be a problem with the filename, e.g., you may be attempting to edit a versioned file (files in construction may not include a version number in front of the extension).')
   73:                  .'</p>');
   74:     } else {
   75:         $r->print('<p class="LC_error">'
   76:                  .&mt('You do not have authoring privileges for this resource')
   77:                  .'</p>');
   78:         my ($realownername)=
   79: 	    ($env{'request.editurl'}=~m{/(?:~|priv/|home/)($LONCAPA::username_re)});
   80:         my $realownerhome=
   81: 	    &Apache::lonnet::homeserver($realownername,
   82: 					$r->dir_config('lonDefDomain'));
   83:         unless ($realownerhome eq 'no_host') {
   84:             my $plainname=&Apache::loncommon::plainname($realownername,$r->dir_config('lonDefDomain'));
   85:             my $user=$realownername.':'.$r->dir_config('lonDefDomain');
   86:             my $userlink=&Apache::loncommon::aboutmewrapper(
   87:                              $plainname.' ('.$user.')'
   88:                             ,$realownername
   89:                             ,$r->dir_config('lonDefDomain'));
   90: 	    $r->print('<p>'
   91:                      .&mt('Contact [_1] for access.',$userlink)
   92:                      .'</p>');
   93:         }
   94:     }
   95:     
   96:     $r->print(&Apache::loncommon::end_page());
   97:     return OK;
   98: } 
   99: 
  100: 1;
  101: __END__