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File:  [LON-CAPA] / loncom / interface / loncss.pm
Revision 1.9: download - view: text, annotated - select for diffs
Fri May 27 21:53:41 2011 UTC (12 years, 11 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_12_X, version_2_11_X, version_2_11_4_uiuc, version_2_11_4_msu, version_2_11_4, version_2_11_3_uiuc, version_2_11_3_msu, version_2_11_3, version_2_11_2_uiuc, version_2_11_2_msu, version_2_11_2_educog, version_2_11_2, version_2_11_1, version_2_11_0_RC3, version_2_11_0_RC2, version_2_11_0_RC1, version_2_11_0, version_2_10_X, version_2_10_1, version_2_10_0, loncapaMITrelate_1, language_hyphenation_merge, language_hyphenation, HEAD, BZ4492-merge, BZ4492-feature_horizontal_radioresponse
- Response header generation that works with Apache 1.3 (RHEL4) and Apache 2.

    1: # The LearningOnline Network with CAPA
    2: # gerenates a lon-capa CSS response
    3: #
    4: # $Id: loncss.pm,v 1.9 2011/05/27 21:53:41 raeburn 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: package Apache::loncss;
   29: 
   30: use strict;
   31: use Apache::lonnet;
   32: use Apache::loncommon;
   33: use Apache::Constants qw(:common);
   34: use POSIX qw(strftime);
   35: use LONCAPA;
   36: 
   37: sub handler {
   38:     my ($r) = @_;
   39: 
   40:     my $url = $r->uri;
   41:     $url =~ s{^/adm/css/}{};
   42:     $url =~ s{ \.css $ }{}xms; 
   43: 	      
   44:     my ($uname,$udom,$version,$timestamp,$function,$domain,$bgcolor) = 
   45: 	split(':',$url);
   46: 
   47:     $r->content_type('text/css');
   48:     my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time+86400));
   49:     $r->header_out("Expires" => $date);
   50:     $r->header_out("Cache-Control" =>  "public, no-transform");
   51:     $r->send_http_header;
   52:     
   53:     my $handle = &Apache::lonnet::check_for_valid_session($r);
   54:     if ($handle ne '' ) {
   55: 	&Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
   56: 						 $handle);
   57:     }
   58: 
   59:     $r->print(&Apache::loncommon::standard_css($function,$domain,$bgcolor));
   60: 
   61:     return OK;
   62: }
   63: 
   64: 1;
   65: __END__
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