--- loncom/interface/loncommon.pm 2010/11/14 18:53:51 1.986 +++ loncom/interface/loncommon.pm 2010/12/30 19:35:28 1.991 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.986 2010/11/14 18:53:51 raeburn Exp $ +# $Id: loncommon.pm,v 1.991 2010/12/30 19:35:28 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -3421,6 +3421,7 @@ sub get_previous_attempt { my ($ign,@parts) = split(/\./,$key); if ($#parts > 0) { my $data=$parts[-1]; + next if ($data eq 'foilorder'); pop(@parts); if ($data eq 'type') { unless ($showsurv) { @@ -3457,6 +3458,7 @@ sub get_previous_attempt { '
'.&mt('or').'
'; + } + } + return ($output,$num,$numpathchg); +} + +sub embedded_file_element { + my ($context,$num,$embed_file,$mapping,$allfiles,$codebase) = @_; + return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') && + (ref($codebase) eq 'HASH')); + my $output; + if ($context eq 'upload_embedded') { + $output = ''."\n"; } - return $upload_output; + $output .= ''; + unless (($context eq 'upload_embedded') && + ($mapping->{$embed_file} eq $embed_file)) { + $output .=' + '; + } + my $attrib; + if (ref($allfiles->{$mapping->{$embed_file}}) eq 'ARRAY') { + $attrib = &escape(join(':',@{$allfiles->{$mapping->{$embed_file}}})); + } + $output .= + "\n\t\t". + ''; + if (exists($codebase->{$mapping->{$embed_file}})) { + $output .= + "\n\t\t". + ''; + } + return $output; } sub upload_embedded { my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota, - $current_disk_usage) = @_; - my $output; + $current_disk_usage,$hiddenstate,$actionurl) = @_; + my (%pathchange,$output,$modifyform,$footer,$returnflag); for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) { next if (!exists($env{'form.embedded_item_'.$i.'.filename'})); my $orig_uploaded_filename = $env{'form.embedded_item_'.$i.'.filename'}; - - $env{'form.embedded_orig_'.$i} = - &unescape($env{'form.embedded_orig_'.$i}); + foreach my $type ('orig','ref','attrib','codebase') { + if ($env{'form.embedded_'.$type.'_'.$i} ne '') { + $env{'form.embedded_'.$type.'_'.$i} = + &unescape($env{'form.embedded_'.$type.'_'.$i}); + } + } my ($path,$fname) = ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)}); # no path, whole string is fname if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} }; - - $path = $env{'form.currentpath'}.$path; $fname = &Apache::lonnet::clean_filename($fname); # See if there is anything left next if ($fname eq ''); @@ -8449,7 +8639,8 @@ sub upload_embedded { if ($group ne '') { $port_path = "groups/$group/$port_path"; } - ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i, + ($state,$msg) = &check_for_upload($env{'form.currentpath'}.$path, + $fname,$group,'embedded_item_'.$i, $dir_root,$port_path,$disk_quota, $current_disk_usage,$uname,$udom); if ($state eq 'will_exceed_quota' @@ -8467,14 +8658,14 @@ sub upload_embedded { # Check if extension is valid if (($fname =~ /\.(\w+)$/) && (&Apache::loncommon::fileembstyle($1) eq 'hdn')) { - $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1); + $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1).''.&mt('Uploaded [_1]',''. - $path.$fname.'').'
'; + $output .= &mt('Uploaded [_1]',''. + $path.$fname.'').''.$output.'
'; + } + $output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange); + $returnflag = 'ok'; + if (keys(%pathchange) > 0) { + if ($context eq 'portfolio') { + $output .= ''.&mt('or').'
'; + } elsif ($context eq 'testbank') { + $output .= ''.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).','','').'
'; + $returnflag = 'modify_orightml'; + } + } + return ($output.$footer,$returnflag); +} + +sub modify_html_form { + my ($context,$actionurl,$hiddenstate,$pathchange,$pathchgtable) = @_; + my $end = 0; + my $modifyform; + if ($context eq 'upload_embedded') { + return unless (ref($pathchange) eq 'HASH'); + if ($env{'form.number_embedded_items'}) { + $end += $env{'form.number_embedded_items'}; + } + if ($env{'form.number_pathchange_items'}) { + $end += $env{'form.number_pathchange_items'}; + } + if ($end) { + for (my $i=0; $i<$end; $i++) { + if ($i < $env{'form.number_embedded_items'}) { + next unless($pathchange->{$i}); + } + $modifyform .= + &start_data_table_row(). + ''.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'
'. + &mt('LON-CAPA can make the required changes to your HTML file.').'
'."\n". + ''."\n"; + } + return; +} + +sub modify_html_refs { + my ($context,$dirpath,$uname,$udom,$dir_root) = @_; + my $container; + if ($context eq 'portfolio') { + $container = $env{'form.container'}; + } elsif ($context eq 'coursedoc') { + $container = $env{'form.primaryurl'}; + } else { + $container = $env{'form.filename'}; + $container =~ s{^/priv/(\Q$uname\E)/(.*)}{/home/$1/public_html/$2}; + } + my (%allfiles,%codebase,$output,$content); + my @changes = &get_env_multiple('form.namechange'); + return unless (@changes > 0); + if (($context eq 'portfolio') || ($context eq 'coursedoc')) { + return unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/}); + $content = &Apache::lonnet::getfile($container); + return if ($content eq '-1'); + } else { + return unless ($container =~ /^\Q$dir_root\E/); + if (open(my $fh,"<$container")) { + $content = join('', <$fh>); + close($fh); + } else { + return; + } + } + my ($count,$codebasecount) = (0,0); + my $mm = new File::MMagic; + my $mime_type = $mm->checktype_contents($content); + if ($mime_type eq 'text/html') { + my $parse_result = + &Apache::lonnet::extract_embedded_items($container,\%allfiles, + \%codebase,\$content); + if ($parse_result eq 'ok') { + foreach my $i (@changes) { + my $orig = &unescape($env{'form.embedded_orig_'.$i}); + my $ref = &unescape($env{'form.embedded_ref_'.$i}); + if ($allfiles{$ref}) { + my $newname = $orig; + my ($attrib_regexp,$codebase); + my $attrib_regexp = &unescape($env{'form.embedded_attrib_'.$i}); + if ($attrib_regexp =~ /:/) { + $attrib_regexp =~ s/\:/|/g; + } + if ($content =~ m{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}) { + my $numchg = ($content =~ s{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi); + $count += $numchg; + } + if ($env{'form.embedded_codebase_'.$i} ne '') { + my $codebase = &unescape($env{'form.embedded_codebase_'.$i}); + my $numchg = ($content =~ s/(codebase\s*=\s*["']?)\Q$codebase\E(["']?)/$1.$2/i); #' stupid emacs + $codebasecount ++; + } + } + } + if ($count || $codebasecount) { + my $saveresult; + if ($context eq 'portfolio' || $context eq 'coursedoc') { + my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult); + if ($url eq $container) { + my ($fname) = ($container =~ m{/([^/]+)$}); + $output = ''.&mt('Updated [quant,_1,reference] in [_2].', + $count,''. + $fname.'').'
'; + } else { + $output = ''. + &mt('Error: update failed for: [_1].', + ''. + $container.'').'
'; + } + } else { + if (open(my $fh,">$container")) { + print $fh $content; + close($fh); + $output = ''.&mt('Updated [quant,_1,reference] in [_2].', + $count,''. + $container.'').'
'; + } else { + $output = ''. + &mt('Error: could not update [_1].', + ''. + $container.'').'
'; + } + } + } + } else { + &logthis('Failed to parse '.$container. + ' to modify references: '.$parse_result); + } } return $output; } @@ -8580,6 +8957,11 @@ sub check_for_upload { $getpropath); my $found_file = 0; my $locked_file = 0; + my @lockers; + my $navmap; + if ($env{'request.course.id'}) { + $navmap = Apache::lonnavmaps::navmap->new(); + } foreach my $line (@dir_list) { my ($file_name,$rest)=split(/\&/,$line,2); if ($file_name eq $fname){ @@ -8588,8 +8970,28 @@ sub check_for_upload { $file_name = $group.$file_name; } $found_file = 1; - if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') { - $locked_file = 1; + if (&Apache::lonnet::is_locked($file_name,$udom,$uname,\@lockers) eq 'true') { + foreach my $lock (@lockers) { + if (ref($lock) eq 'ARRAY') { + my ($symb,$crsid) = @{$lock}; + if ($crsid eq $env{'request.course.id'}) { + if (ref($navmap)) { + my $res = $navmap->getBySymb($symb); + foreach my $part (@{$res->parts()}) { + my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part); + unless (($slot_status == $res->RESERVED) || + ($slot_status == $res->RESERVED_LOCATION)) { + $locked_file = 1; + } + } + } else { + $locked_file = 1; + } + } else { + $locked_file = 1; + } + } + } } else { my @info = split(/\&/,$rest); my $currsize = $info[6]/1000; @@ -8628,6 +9030,48 @@ sub check_for_upload { } } +sub check_for_traversal { + my ($path,$url,$toplevel) = @_; + my @parts=split(/\//,$path); + my $cleanpath; + my $fullpath = $url; + for (my $i=0;$i<@parts;$i++) { + next if ($parts[$i] eq '.'); + if ($parts[$i] eq '..') { + $fullpath =~ s{([^/]+/)$}{}; + } else { + $fullpath .= $parts[$i].'/'; + } + } + if ($fullpath =~ /^\Q$url\E(.*)$/) { + $cleanpath = $1; + } elsif ($fullpath =~ /^\Q$toplevel\E(.*)$/) { + my $curr_toprel = $1; + my @parts = split(/\//,$curr_toprel); + my ($url_toprel) = ($url =~ /^\Q$toplevel\E(.*)$/); + my @urlparts = split(/\//,$url_toprel); + my $doubledots; + my $startdiff = -1; + for (my $i=0; $i<@urlparts; $i++) { + if ($startdiff == -1) { + unless ($urlparts[$i] eq $parts[$i]) { + $startdiff = $i; + $doubledots .= '../'; + } + } else { + $doubledots .= '../'; + } + } + if ($startdiff > -1) { + $cleanpath = $doubledots; + for (my $i=$startdiff; $i<@parts; $i++) { + $cleanpath .= $parts[$i].'/'; + } + } + } + $cleanpath =~ s{(/)$}{}; + return $cleanpath; +} =pod @@ -10852,6 +11296,36 @@ sub clean_symb { return ($symb,$enc); } +sub build_release_hashes { + my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_; + return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') && + (ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') && + (ref($randomizetry) eq 'HASH')); + foreach my $key (keys(%Apache::lonnet::needsrelease)) { + my ($item,$name,$value) = split(/:/,$key); + if ($item eq 'parameter') { + if (ref($checkparms->{$name}) eq 'ARRAY') { + unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) { + push(@{$checkparms->{$name}},$value); + } + } else { + push(@{$checkparms->{$name}},$value); + } + } elsif ($item eq 'resourcetag') { + if ($name eq 'responsetype') { + $checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key} + } + } elsif ($item eq 'course') { + if ($name eq 'crstype') { + $checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key}; + } + } + } + ($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'}); + ($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'}); + return; +} + =pod =back