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File:  [LON-CAPA] / loncom / auth / lonuploadedacc.pm
Revision 1.13: download - view: text, annotated - select for diffs
Mon Jul 17 17:34:46 2006 UTC (17 years, 9 months ago) by albertel
Branches: MAIN
CVS tags: version_2_8_X, version_2_8_2, version_2_8_1, version_2_8_0, version_2_7_X, version_2_7_99_1, version_2_7_99_0, version_2_7_1, version_2_7_0, version_2_6_X, version_2_6_99_1, version_2_6_99_0, version_2_6_3, version_2_6_2, version_2_6_1, version_2_6_0, version_2_5_X, version_2_5_99_1, version_2_5_99_0, version_2_5_2, version_2_5_1, version_2_5_0, version_2_4_X, version_2_4_99_0, version_2_4_2, version_2_4_1, version_2_4_0, version_2_3_X, version_2_3_99_0, version_2_3_2, version_2_3_1, version_2_3_0, version_2_2_X, version_2_2_99_1, version_2_2_99_0, version_2_2_2, version_2_2_1, version_2_2_0, version_2_1_99_3, version_2_1_99_2, version_2_1_99_1, HEAD, GCI_1
- getting student photos to work again

    1: # The LearningOnline Network
    2: # Access Handler for User Files
    3: #
    4: # $Id: lonuploadedacc.pm,v 1.13 2006/07/17 17:34:46 albertel 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::lonuploadedacc;
   30: 
   31: #
   32: # The way this is supposed to work:
   33: #
   34: # User A has client machine C
   35: # User A is logged into LON-CAPA server S
   36: # needs file from user B
   37: # homeserver for user B is H
   38: # 
   39: # This handler runs on H
   40: # To access a userfile:
   41: # Server S generates a token and puts it into the query string of URL for H
   42: # Client box C asks H for file with token issued by C
   43: # H now must ask S if token is valid, uses S's lond-command tokenauthuserfile
   44: 
   45: use strict;
   46: use Apache::Constants qw(:common :http);
   47: use Apache::lonnet;
   48: 
   49: sub handler {
   50:     my $r = shift;
   51:     my $args=$r->args;
   52:     &Apache::loncommon::get_unprocessed_cgi($args,['token','tokenissued']); 
   53:     my (undef,undef,$udom,$uname,$ufile)=split(/\//,$r->uri,5);
   54:     $ufile=~s/^[\~\.]+//;
   55:     my $remoteserver=$env{'form.tokenissued'};
   56:     my $reply=&Apache::lonnet::reply('tokenauthuserfile:'.
   57:                  $udom.'/'.$uname.'/'.$ufile.':'.$env{'form.token'},
   58: 				     $remoteserver);
   59:     if ($reply eq 'ok') {
   60:        return OK;
   61:    } elsif ($reply eq 'con_lost' || $reply eq 'no_such_host') {
   62:        &Apache::lonnet::logthis("Server unavailable for userfile access $uname at $udom for $ufile with $remoteserver token $env{'form.token'}: $reply");
   63:        return HTTP_SERVICE_UNAVAILABLE;
   64:    } else {
   65:        &Apache::lonnet::logthis("Refused userfile access $uname at $udom for $ufile with $remoteserver token $env{'form.token'}: $reply");
   66:        return FORBIDDEN;
   67:    }
   68: }
   69: 
   70: sub skip_phase {
   71:     return OK;
   72: }
   73: 
   74: 1;
   75: __END__
   76: 
   77: 
   78: 
   79: 
   80: 
   81: 
   82:
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