--- rat/lonratsrv.pm 2001/07/04 19:59:24 1.14 +++ rat/lonratsrv.pm 2005/09/26 19:47:52 1.33 @@ -1,14 +1,30 @@ # The LearningOnline Network with CAPA # Server for RAT Maps # -# (Edit Handler for RAT Maps -# (TeX Content Handler +# $Id: lonratsrv.pm,v 1.33 2005/09/26 19:47:52 albertel 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/ # -# 05/29/00,05/30 Gerd Kortemeyer) -# 7/1 Gerd Kortemeyer) -# 7/1,7/3,7/4,7/7,7/8,7/10,7/26,10/2 Gerd Kortemeyer -# 4/30/2001 Scott Harrison -# 5/3,06/25,07/03,07/04 Gerd Kortemeyer package Apache::lonratsrv; @@ -16,7 +32,7 @@ use strict; use Apache::Constants qw(:common); use Apache::File; use HTML::TokeParser; - +use Apache::lonnet; # ------------------------------------------------------------- From RAT to XML @@ -25,7 +41,7 @@ sub qtescape { $str=~s/\&\#58\;/\:/g; $str=~s/\&\#39\;/\'/g; $str=~s/\&\#44\;/\,/g; - $str=~s/\&\#34\;/\"/g; + $str=~s/\"/\&\#34\;/g; return $str; } @@ -43,17 +59,25 @@ sub qtunescape { # --------------------------------------------------------- Loads map from disk sub loadmap { - my ($fn,$errtext)=@_; + my ($fn,$errtext,$infotext)=@_; + if ($errtext) { return('',$errtext); } my $outstr=''; - my @content=(); my @obj=(); my @links=(); - if (-e $fn) { + my $instr=''; + if ($fn=~/^\/*uploaded\//) { + $instr=&Apache::lonnet::getfile($fn); + } elsif (-e $fn) { + my @content=(); { my $fh=Apache::File->new($fn); @content=<$fh>; } - my $instr=join('',@content); + $instr=join('',@content); + } + if ($instr eq -2) { + $errtext.='Map not loaded: An error occured while trying to load the map.'; + } elsif ($instr) { my $parser = HTML::TokeParser->new(\$instr); my $token; my $graphmode=0; @@ -68,7 +92,7 @@ sub loadmap { } elsif ($token->[1] eq 'resource') { # -------------------------------------------------------------------- Resource $outstr.='<&>objcont'; - if ($token->[2]->{'id'}) { + if (defined($token->[2]->{'id'})) { $outstr.='<:>'.$token->[2]->{'id'}; if ($obj[$token->[2]->{'id'}]==1) { $errtext.='Error: multiple use of ID '. @@ -89,16 +113,20 @@ sub loadmap { } else { $outstr.='false:'; } - if ($token->[2]->{'type'}) { + if (defined($token->[2]->{'type'})) { $outstr.=$token->[2]->{'type'}.':'; } else { $outstr.='normal:'; } - $outstr.='res'; + if ($token->[2]->{'type'} ne 'zombie') { + $outstr.='res'; + } else { + $outstr.='zombie'; + } } elsif ($token->[1] eq 'condition') { # ------------------------------------------------------------------- Condition $outstr.='<&>objcont'; - if ($token->[2]->{'id'}) { + if (defined($token->[2]->{'id'})) { $outstr.='<:>'.$token->[2]->{'id'}; if ($obj[$token->[2]->{'id'}]==1) { $errtext.='Error: multiple use of ID '. @@ -113,7 +141,7 @@ sub loadmap { } $outstr.='<:>'; $outstr.=qtunescape($token->[2]->{'value'}).':'; - if ($token->[2]->{'type'}) { + if (defined($token->[2]->{'type'})) { $outstr.=$token->[2]->{'type'}.':'; } else { $outstr.='normal:'; @@ -123,7 +151,7 @@ sub loadmap { # ----------------------------------------------------------------------- Links $outstr.='<&>objlinks'; - if ($token->[2]->{'index'}) { + if (defined($token->[2]->{'index'})) { if ($links[$token->[2]->{'index'}]) { $errtext.='Error: multiple use of link index '. $token->[2]->{'index'}.'. '; @@ -139,7 +167,7 @@ sub loadmap { $outstr.='<:>'.$token->[2]->{'from'}. ':'.$token->[2]->{'to'}; - if ($token->[2]->{'condition'}) { + if (defined($token->[2]->{'condition'})) { $outstr.=':'.$token->[2]->{'condition'}; } else { $outstr.=':0'; @@ -166,7 +194,7 @@ sub loadmap { } else { $errtext.='Map not loaded: The file does not exist. '; } - return($outstr,$errtext); + return($outstr,$errtext,$infotext); } @@ -174,13 +202,14 @@ sub loadmap { sub savemap { my ($fn,$errtext)=@_; + my $infotext=''; my %alltypes; my %allvalues; - if (($fn=~/\.sequence$/) || - ($fn=~/\.page$/)) { + if (($fn=~/\.sequence(\.tmp)*$/) || + ($fn=~/\.page(\.tmp)*$/)) { # ------------------------------------------------------------- Deal with input - my @tags=split(/<&>/,$ENV{'form.output'}); + my @tags=split(/<&>/,$env{'form.output'}); my $outstr=''; my $graphdef=0; if ($tags[0] eq 'graphdef<:>yes') { @@ -189,12 +218,12 @@ sub savemap { } else { $outstr="\n"; } - map { + foreach (@tags) { my @parts=split(/<:>/,$_); if ($parts[0] eq 'objcont') { my @comp=split(/:/,$parts[$#parts]); # --------------------------------------------------------------- Logical input - if ($comp[$#comp] eq 'res') { + if (($comp[$#comp] eq 'res') || ($comp[$#comp] eq 'zombie')) { $comp[0]=qtescape($comp[0]); $comp[1]=qtescape($comp[1]); if ($comp[2] eq 'true') { @@ -216,14 +245,14 @@ sub savemap { if ($comp[0] ne '') { $outstr.=' title="'.$comp[0].'"'; } - $outstr.=">\n"; + $outstr.=" />\n"; } elsif ($comp[$#comp] eq 'cond') { $outstr.='' - ."\n"; - } keys %allvalues; + .'" value="'.$allvalues{$_}.'" />' + ."\n"; + } + } } elsif (($parts[0] ne '') && ($graphdef)) { # ------------------------------------------------------------- Graphical input $outstr.='<'.$parts[0]; if ($#parts==2) { $outstr.=' index="'.$parts[1].'"'; } - $outstr.=' value="'.qtescape($parts[$#parts]).'">\n"; + $outstr.=' value="'.qtescape($parts[$#parts]).'" />'."\n"; } - } @tags; + } $outstr.="\n"; - { + if ($fn=~/^\/*uploaded\/(\w+)\/(\w+)\/(.*)$/) { + $env{'form.output'}=$outstr; + my $result=&Apache::lonnet::finishuserfileupload($2,$1, + 'output',$3); + if ($result != m|^/uploaded/|) { + $errtext.='Map not saved: A network error occured when trying to save the map. '; + } + } else { my $fh; if ($fh=Apache::File->new(">$fn")) { print $fh $outstr; - $errtext.="Map saved as $fn. "; + $infotext.="Map saved as $fn. "; } else { - $errtext.='Could not write file $fn. Map not saved. '; + $errtext.='Could not write file '.$fn.'. Map not saved. '; } } } else { # -------------------------------------------- Cannot write to that file, error $errtext.='Map not saved: The specified path does not exist. '; } - return $errtext; + return ($errtext,$infotext); } # ================================================================ Main Handler sub handler { my $r=shift; - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; @@ -292,13 +329,21 @@ sub handler { $url=~s/\/loadonly\/ratserver$/\/save\/ratserver/; my $fn=$r->filename; + my $lonDocRoot=$r->dir_config('lonDocRoot'); + if ( $fn =~ /$lonDocRoot/ ) { + #internal authentication, needs fixup. + $fn = $url; + $fn=~s|^/~(\w+)|/home/$1/public_html|; + $fn=~s|/[^/]*/ratserver$||; + } my $errtext=''; + my $infotext=''; my $outtext=''; if ($mode ne 'loadonly') { - $errtext=&savemap($fn,$errtext); + ($errtext,$infotext)=&savemap($fn,$errtext); } - ($outtext,$errtext)=&loadmap($fn,$errtext); + ($outtext,$errtext,$infotext)=&loadmap($fn,$errtext,$infotext); $r->print(< @@ -310,10 +355,10 @@ sub handler { parent.flag=1; ENDDOCUMENT - if ($errtext ne '') { + if (($errtext ne '') || ($infotext ne '')) { $r->print(< - alert("$errtext"); + alert("$infotext $errtext"); ENDSCRIPT }