Annotation of loncom/homework/daxesave.pm, revision 1.1

1.1     ! damieng     1: # The LearningOnline Network
        !             2: # Convert and save a problem from Daxe.
        !             3: #
        !             4: # $Id$
        !             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__

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