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File:  [LON-CAPA] / loncom / lonnet / perl / lonrep.pm
Revision 1.14: download - view: text, annotated - select for diffs
Tue Oct 2 01:09:53 2007 UTC (16 years, 8 months ago) by albertel
Branches: MAIN
CVS tags: version_2_9_X, version_2_9_99_0, version_2_9_1, version_2_9_0, version_2_8_X, version_2_8_99_1, version_2_8_99_0, 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_99_1, version_2_5_99_0, 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_RC2, version_2_10_0_RC1, version_2_10_0, loncapaMITrelate_1, language_hyphenation_merge, language_hyphenation, bz6209-base, bz6209, bz5969, bz2851, PRINT_INCOMPLETE_base, PRINT_INCOMPLETE, HEAD, GCI_3, GCI_2, GCI_1, BZ5971-printing-apage, BZ5434-fox, BZ4492-merge, BZ4492-feature_horizontal_radioresponse
- convert exisiting cookie reads/validations to use
   lonnet::check_for_valid_session

    1: # The LearningOnline Network
    2: # Replication Manager
    3: #
    4: # $Id: lonrep.pm,v 1.14 2007/10/02 01:09:53 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::lonrep;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :http);
   33: use Apache::lonnet;
   34: use Apache::File();
   35: 
   36: sub update_filename {
   37:     my ($r,$filename) = @_;
   38:     my $oldfile = $r->filename($filename);
   39:     if ($ENV{'MOD_PERL_API_VERSION'} == 2
   40: 	&& -e $filename) {
   41: 	eval {
   42: 	    require APR::Finfo;
   43: 	    require APR::Const;
   44: 	    $r->finfo(APR::Finfo::stat($filename, 
   45: 				       &APR::Const::FINFO_NORM(),
   46: 				       $r->pool));
   47: 	};
   48: 	if ($@) {
   49: 	    return $@;
   50: 	}
   51:     }
   52:     return;
   53: }
   54: 
   55: sub handler {
   56:     my $r = shift;
   57:     if (-e $r->finfo) {
   58:       return OK;
   59:     } else {
   60:       my $filename=$r->filename.$r->path_info;
   61:       if ($filename=~/\/$/) { return OK; }
   62:       if (-e "$filename.in.transfer") {
   63: 	sleep 10;
   64:         if (-e $filename) {
   65: 	    my $error = &update_filename($r,$filename);
   66: 	    if ($error) {
   67: 		$r->log_reason('Update filename failed '.$error);
   68: 		return HTTP_SERVICE_UNAVAILABLE;
   69: 	    }
   70: 	    return OK;
   71:         } else {
   72: 	    $r->log_reason("Waiting for file transfer timed out",$filename);
   73: 	    return HTTP_SERVICE_UNAVAILABLE;
   74:         }
   75:       } else {
   76:           my $response=&Apache::lonnet::repcopy($filename);
   77:           if ($response eq 'ok' && -e $filename) {
   78: 	      $r->path_info('');
   79: 	      my $error = &update_filename($r,$filename);
   80: 	      if ($error) {
   81: 		  $r->log_reason('Update filename failed after replication '.$error);
   82: 		  return HTTP_SERVICE_UNAVAILABLE;
   83: 	      }
   84:               return OK;
   85:           }
   86:           my $handle = &Apache::lonnet::check_for_valid_session($r);
   87:           if ($handle) {
   88: 	     $r->log_reason('Replication failed for '.$handle);
   89:              return $response;
   90: 	  } else {
   91: 	     $r->log_reason('Replication failed for unknown user'); 
   92:              return FORBIDDEN;
   93:           } 
   94:       }
   95:     }
   96: }
   97: 
   98: 1;
   99: __END__
  100: 
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  107:
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