# The LearningOnline Network # Convert and save a problem from Daxe. # # $Id: daxesave.pm,v 1.5 2016/12/13 21:37:35 damieng Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # ### package Apache::daxesave; use Apache::Constants; use Apache::lonnet; use Try::Tiny; use File::Copy; use Apache::lonacc; use Apache::loncommon; use Apache::xml_to_loncapa; sub handler { my $request = shift; $request->content_type('text/plain'); # path should be in the form "/daxeopen/priv/..." # or ^/daxeopen/uploaded/[^/]+/[^/]+/.*html?$ my $path = $env{'form.path'}; $path =~ s/^\/daxeopen//; my $allowed = 0; if ($path =~ /^\/priv/) { my ($ownername,$ownerdom,$ownerhome) = &Apache::lonnet::constructaccess($path, 'setpriv'); if (($ownername ne '') && ($ownerdom ne '') && ($ownerhome ne '')) { unless ($ownerhome eq 'no_host') { my @hosts = &Apache::lonnet::current_machine_ids(); if (grep(/^\Q$ownerhome\E$/,@hosts)) { $allowed = 1; } } } } elsif ($path =~ m|^/uploaded/[^/]+/[^/]+/|) { if ($env{'user.name'} ne '' && $env{'user.domain'} ne '' && $env{'request.course.id'}) { $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; if ($path =~ m|^/uploaded/\Q$cdom\E/\Q$cnum\E/| && $path !~ /\.\./) { if (&Apache::lonnet::allowed('mdc', $env{'request.course.id'})) { $allowed = 1; } } } } unless ($allowed) { $request->log_reason("Unauthorized path: $path", $path); $request->print("error\nUnauthorized path: $path"); $request->status(403); return OK; } my $newpath = &Apache::lonnet::filelocation('', $path); my $contents = $env{'form.file'}; my $mode; if ($path =~ /\.(task|problem|exam|quiz|assess|survey|library|xml|html|htm|xhtml|xhtm)$/) { try { $contents = &Apache::xml_to_loncapa::convert_file($contents); } catch { $request->print("error\nconvert failed for $path: $_"); return OK; }; $mode = '>:encoding(UTF-8)'; } else { $mode = '>'; } my $filebak = $newpath.".bak"; if (-e $newpath) { copy($newpath, $filebak); # errors ignored } open my $out, $mode, $newpath; print $out $contents; close $out; $request->print("ok\n"); return OK; } 1; __END__