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integrated Daxe, opening in a separate window for now

    1: # The LearningOnline Network
    2: # Convert and save a problem from Daxe.
    3: #
    4: # $Id: daxesave.pm,v 1.1 2015/12/03 20:40:27 damieng 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: 
   30: package Apache::daxesave;
   31: 
   32: use Apache::Constants;
   33: use Apache::lonnet;
   34: use Try::Tiny;
   35: use File::Copy;
   36: 
   37: use Apache::lonacc;
   38: use Apache::loncommon;
   39: use Apache::xml_to_loncapa;
   40: 
   41: sub handler {
   42:     my $request = shift;
   43:     
   44:     my $path = $env{'form.path'}; # should be in the form "/daxeopen/priv/..."
   45:     $path =~ s/^\/daxeopen//;
   46:     
   47:     my $allowed;
   48:     my ($ownername,$ownerdom,$ownerhome) = 
   49:         &Apache::lonnet::constructaccess($path, 'setpriv');
   50:     if (($ownername ne '') && ($ownerdom ne '') && ($ownerhome ne '')) {
   51:         unless ($ownerhome eq 'no_host') {
   52:             my @hosts = &Apache::lonnet::current_machine_ids();
   53:             if (grep(/^\Q$ownerhome\E$/,@hosts)) {
   54:                 $allowed = 1;
   55:             }
   56:         }
   57:     }
   58:     unless ($allowed) {
   59:         $request->log_reason("Unauthorized path: $path", $path); 
   60:         return HTTP_NOT_ACCEPTABLE;
   61:     }
   62: 
   63:     my $newpath = &Apache::lonnet::filelocation('', $path);
   64: 
   65:     my $contents = $env{'form.file'};
   66:     
   67:     try {
   68:         $contents = &Apache::xml_to_loncapa::convert_file($contents);
   69:     } catch {
   70:         $request->print("error\nconvert failed for $path: $_");
   71:         return OK;
   72:     };
   73:     
   74:     my $filebak = $newpath.".bak";
   75:     if (-e $newpath) {
   76:         copy($newpath, $filebak); # errors ignored
   77:     }
   78:     open my $out, '>:encoding(UTF-8)', $newpath;
   79:     print $out $contents;
   80:     close $out;
   81:     
   82:     $request->print("ok\n");
   83:     return OK;
   84: }
   85: 
   86: 1;
   87: __END__