--- rat/lonpage.pm 2020/01/22 15:02:22 1.111.2.10.2.1 +++ rat/lonpage.pm 2023/09/11 13:26:26 1.144 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Page Handler # -# $Id: lonpage.pm,v 1.111.2.10.2.1 2020/01/22 15:02:22 raeburn Exp $ +# $Id: lonpage.pm,v 1.144 2023/09/11 13:26:26 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -44,6 +44,7 @@ use Apache::lonhomework; use Apache::lonparmset; use Apache::lonenc(); use HTML::TokeParser; +use HTML::Entities(); use GDBM_File; use Apache::lonsequence; use lib '/home/httpd/lib/perl/'; @@ -101,7 +102,9 @@ sub tracetable { } else { $sofar++; if ($hash{'src_'.$rid}) { - my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid}); + my ($mapid,$resid)=split(/\./,$rid); + my $symb = &Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$hash{'src_'.$rid}); + my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid},$symb); if (($brepriv eq '2') || ($brepriv eq 'F')) { if (defined($rows[$sofar])) { $rows[$sofar].='&'.$rid; @@ -187,6 +190,8 @@ sub handler { if (-e "$fn.db") { my %buttonshide; my $hostname = $r->hostname(); + my $lonhost = $r->dir_config('lonHostID'); + my $ip = &Apache::lonnet::get_host_ip($lonhost); if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640)) { # ------------------------------------------------------------------- Hash tied my $firstres=$hash{'map_start_'.$requrl}; @@ -199,7 +204,7 @@ sub handler { my ($pagesymb,$courseid,$domain,$name)=&Apache::lonnet::whichuser(); unless ($pagesymb) { $pagesymb=&Apache::lonnet::symbread($requrl); - } + } if ($pagesymb && ($courseid ne '') && ($domain ne '') && ($name ne '')) { my %times=&Apache::lonnet::get('firstaccesstimes', [$courseid."\0".$pagesymb], @@ -263,6 +268,7 @@ sub handler { my $nforms=0; my $nuploads=0; my $ntimers=0; + my $hasnumresp; my %turninpaths; my %multiresps; my $turninparent; @@ -273,6 +279,8 @@ sub handler { my %ssilink=(); my %ssivlink=(); my %ssialink=(); + my %cssrefs=(); + my %httpref=(); my %cellemb=(); my %cellexternal=(); @@ -304,28 +312,79 @@ sub handler { foreach (@colcont) { my $src=$hash{'src_'.$_}; my $plainsrc = $src; + my $anchor; + if ($hash{'ext_'.$_} eq 'true:') { + $cellexternal{$_}=($hash{'ext_'.$_} eq 'true:'); + $src =~ s{^/ext/}{http://}; + $src =~ s{http://https://}{https://}; + if ($src =~ /(\#[^#]+)$/) { + $anchor = $1; + $src =~ s/\#[^#]+$//; + } + } + my $unencsrc = $src; my ($extension)=($src=~/\.(\w+)$/); - $cellexternal{$_}=($hash{'ext_'.$_} eq 'true:'); if ($hash{'encrypted_'.$_}) { $src=&Apache::lonenc::encrypted($src); } my ($mapid,$resid)=split(/\./,$_); - my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src); + my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$plainsrc); unless ($env{'request.role.adv'}) { $buttonshide{$symb} = &Apache::lonnet::EXT("resource.0.buttonshide",$symb); } $cellemb{$_}= &Apache::loncommon::fileembstyle($extension); if ($cellexternal{$_}) { - unless (($target eq 'tex') || ($target eq 'tex_answer')) { - $ssibody{$_} = <No iframe support! + if (($target eq 'tex') || ($target eq 'tex_answer')) { + my $shown = $src.$anchor; + if (($hash{'encrypted_'.$_}) && (!$env{'request.role.adv'})) { + $shown = &mt('URL not shown (encrypted)'); + } + my $title=&Apache::lonnet::gettitle($symb); + $title = &Apache::lonxml::latex_special_symbols($title); + $shown = &Apache::lonxml::latex_special_symbols($shown); + $ssibody{$_} = ' \strut \\\\ \textit{'.$title.'} \strut \\\\ '.$shown.'\\\\'; + } else { + my $showsrc = $src; + my ($is_pdf,$title,$linktext); + if ($unencsrc =~ /\.pdf$/i) { + $is_pdf = 1; + } + if (($hash{'encrypted_'.$_}) && ($symb)) { + $title=&Apache::lonnet::gettitle(&Apache::lonenc::encrypted($symb)); + } else { + $title=&Apache::lonnet::gettitle($symb); + } + if ($env{'browser.mobile'}) { + if ($is_pdf) { + $linktext = &mt('Link to PDF (for mobile devices)'); + $ssibody{$_} = &create_extlink($unencsrc,$anchor,$title,$linktext); + } else { + $linktext = &mt('Link to resource'); + $ssibody{$_} = &create_extlink($unencsrc,$anchor,$title,$linktext); + } + } else { + my $absolute = $env{'request.use_absolute'}; + my $uselink = &Apache::loncommon::is_nonframeable($unencsrc,$absolute,$hostname,$ip); + if (($uselink) || (($ENV{'SERVER_PORT'} == 443) && ($unencsrc =~ m{^http://}))) { + $linktext = &mt('Link to resource'); + $ssibody{$_} = &create_extlink($unencsrc,$anchor,$title,$linktext); + } else { + if (($hash{'encrypted_'.$_}) && ($symb) && (!$env{'request.role.adv'})) { + $showsrc .= '?symb='.&Apache::lonenc::encrypted($symb); + } elsif ($anchor) { + $showsrc .= $anchor; + } + $ssibody{$_} = <No iframe support! ENDEXT + } + } } } elsif ($cellemb{$_} eq 'ssi') { # --------------------------------------------------------- This is an SSI cell my $prefix='p_'.$_.'_'; - my $idprefix='p_'.join('_',($mapid,$resid,'')); + my $idprefix= 'p_'.join('_',($mapid,$resid,'')); my %posthash=('request.prefix' => $prefix, 'LONCAPA_INTERNAL_no_discussion' => 'true', 'symb' => $symb); @@ -363,9 +422,6 @@ ENDEXT } elsif ($env{'form.'.$prefix.'markaccess'} eq 'yes') { $posthash{'markaccess'} = $env{'form.'.$prefix.'markaccess'}; } - if ($env{'environment.remote'} eq 'on') { - $posthash{'inhibitmenu'} = 'yes'; - } my $output=Apache::lonnet::ssi($src,%posthash); $output=~s|//(\s*)?\s||gs; if (($target eq 'tex') || ($target eq 'tex_answer')) { @@ -387,6 +443,7 @@ ENDEXT my $bodydef=0; my $thisxml=0; my @rlinks=(); + my @css_hrefs=(); if ($output=~/\?xml/) { $isxml=1; $thisxml=1; @@ -429,6 +486,14 @@ ENDEXT ($bodydef==0)) { $allscript.="\n\n" .$parser->get_text('/script'); + } elsif (($token->[1] eq 'link') && + ($bodydef==0)) { + if (($token->[2]->{'href'} !~ m{^/adm/}) && + ($token->[2]->{'rel'} eq 'stylesheet')) { + $css_hrefs[$#css_hrefs+1]= + $token->[2]->{'href'}; + + } } } } @@ -448,6 +513,11 @@ ENDEXT $ntimers++; $hastimer = 1; } + unless ($hasnumresp) { + if ($output=~/\]+class\s*=\s*['"]*[^'">]*LC_numresponse_text\W/) { + $hasnumresp = 1; + } + } $output=~ s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi; $output=~ @@ -591,19 +661,41 @@ ENDEXT $output=~s/(\"|\'|\=\s*)$_(\"|\'|\s|\>)/$1$newlocation$2/; } } + foreach my $css_href (@css_hrefs) { + next if ($css_href eq ''); + unless ($css_href =~ m{https?://}) { + my $proburl = &Apache::lonnet::clutter($plainsrc); + unless ($css_href =~ m{^/}) { + my $probdir = $proburl; + $probdir=~s/\/[^\/]*$//; + $css_href = &Apache::lonnet::hreflocation($probdir,$css_href); + } + if ($css_href =~ m{^/(res|uploaded)/}) { + unless (($env{'httpref.'.$css_href}) || + ($httpref{'httpref.'.$css_href}) || + (&Apache::lonnet::is_on_map($css_href))) { + if ($env{'httpref.'.$proburl}) { + $proburl = $env{'httpref.'.$proburl}; + } + $httpref{'httpref.'.$css_href} = $proburl; + } + } + } + $cssrefs{$css_href} = 1; + } # -------------------------------------------------- Deal with Applet codebases $output=~s/(\]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei; $ssibody{$_}=$output; # ---------------------------------------------------------------- End SSI cell } } - } + } } unless ($contents) { &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; $r->print(&Apache::loncommon::start_page(undef,undef, - {'force_register' => 1})); + {'force_register' => 1,})); $r->print(&mt('This page is either empty or it only contains resources that are currently hidden').'. '); $r->print('

'.&mt('Please use the LON-CAPA navigation arrows to move to another item in the course'). &Apache::loncommon::end_page()); @@ -646,6 +738,7 @@ ENDEXT '// ]]>'. "\n\n"; } + &Apache::lonhtmlcommon::clear_breadcrumb_tools(); if (keys(%hastimeleft)) { my (%uniquetimes,%uniquedisplays); foreach my $item (values(%hastimeleft)) { @@ -708,6 +801,21 @@ ENDEXT } } } + if (keys(%cssrefs)) { + my $links; + if (keys(%cssrefs)) { + foreach my $css_href (keys(%cssrefs)) { + next unless ($css_href =~ m{^(/res/|/uploaded/|https?://)}); + $links .= ''."\n"; + } + } + if ($links) { + if (keys(%httpref)) { + &Apache::lonnet::appenv(\%httpref); + } + $allscript .= "\n$links"; + } + } # ------------------------------------------------------------------ Start body $r->print(&Apache::loncommon::start_page(undef,$allscript, {'force_register' => 1, @@ -784,10 +892,7 @@ ENDEXT } $r->print('>'); } - unless (($cellexternal{$rid}) && - ($target eq 'tex') && ($target eq 'tex_answer')) { - $r->print($ssibody{$rid}); - } + $r->print($ssibody{$rid}); unless (($target eq 'tex') || ($target eq 'tex_answer')) { $r->print(''); } @@ -854,8 +959,11 @@ ENDEXT &mt('Processing your submission ...').''); } unless (($target eq 'tex') || ($target eq 'tex_answer')) { - $r->print(&Apache::loncommon::end_page({'discussion' - => 1,})); + my $args = {'discussion' => 1}; + if ($hasnumresp) { + $args->{'dashjs'} = 1; + } + $r->print(&Apache::loncommon::end_page($args)); } else { $r->print('\end{document}'.$number_of_columns); } @@ -866,9 +974,30 @@ ENDEXT } # ------------------------------------------------------------- End render page } else { - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; - &Apache::lonsequence::viewmap($r,$requrl); + if ($hash{'map_type_'.$hash{'map_pc_'.$requrl}} eq 'none') { + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + $r->print(&Apache::loncommon::start_page(undef,undef, + {'force_register' => 1,})); + my $crstype = &Apache::loncommon::course_type(); + if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) { + $r->print(''.&mt('Missing composite page file.').'
'. + &mt("You may want to use the $crstype Editor to remove this item.")); + } else { + if ($crstype eq 'Placement') { + $r->print(''.&mt('Missing page').''); + } else { + $r->print(''. + &mt('This resource was unavailable when your '.lc($crstype).' session was loaded').'
'. + &mt("Please use 'Contents' to list items available in the $crstype.").''); + } + } + $r->print(&Apache::loncommon::end_page()); + } else { + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + &Apache::lonsequence::viewmap($r,$requrl); + } } # ------------------------------------------------------------------ Untie hash unless (untie(%hash)) { @@ -890,35 +1019,50 @@ ENDEXT sub get_buttons { my ($hash,$rid,$buttonshide,$hostname) = @_; - my $metainfo = ''; - my $esrc=&Apache::lonnet::declutter($hash->{'src_'.$rid}); my ($mapid,$resid)=split(/\./,$rid); my $symb=&Apache::lonnet::encode_symb($hash->{'map_id_'.$mapid}, $resid, $hash->{'src_'.$rid}); + my ($aname,$shownsymb); + if (($hash->{'encrypted_'.$rid}) && (!$env{'request.role.adv'})) { + $aname = 'LC_'.$rid; + $shownsymb = &Apache::lonenc::encrypted($symb); + } else { + $shownsymb = $symb; + my $dispsymb = $symb; + if ($symb =~ /\#([^\#]+)$/) { + my $escan = &escape('#'); + $dispsymb =~ s/#([^\#]+)$/$escan$1/; + } + $aname = &escape($dispsymb); + } + my $metainfo = ''; unless ($env{'request.role.adv'}) { if ($buttonshide->{$symb} eq 'yes') { - return; + return $metainfo; } } + my $crs_sec = $env{'request.course.id'} . (($env{'request.course.sec'} ne '') + ? "/$env{'request.course.sec'}" + : ''); + my $esrc=&Apache::lonnet::declutter($hash->{'src_'.$rid}); if ($hash->{'encrypted_'.$rid}) { - $symb=&Apache::lonenc::encrypted($symb); $esrc=&Apache::lonenc::encrypted($esrc); } if ($hash->{'src_'.$rid} !~ m-^/uploaded/- - && $hash->{'src_'.$rid} !~ m{^https?://} + && $hash->{'src_'.$rid} !~ m{^/ext/} && !$env{'request.enc'} && ($env{'request.role.adv'} || !$hash->{'encrypted_'.$rid})) { - $metainfo .=''. - ''. + $metainfo .= ''. ''.&mt('Show Metadata').''. ''; } if (($hash->{'src_'.$rid} !~ m{^/uploaded/}) && - ($hash->{'src_'.$rid} !~ m{^https?://})) { + ($hash->{'src_'.$rid} !~ m{^/ext/})) { $metainfo .= ''. @@ -930,7 +1074,8 @@ sub get_buttons { if (($hash->{'src_'.$rid}=~/$LONCAPA::assess_re/) && ($hash->{'src_'.$rid} !~ m-^/uploaded/-)) { - if (&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) { + if ((&Apache::lonnet::allowed('mgr',$crs_sec)) || + (&Apache::lonnet::allowed('vgr',$crs_sec))) { $metainfo.= ''. @@ -938,7 +1083,10 @@ sub get_buttons { ''.&mt('View Submissions for a Student or a Group of Students').''. - ''. + ''; + } + if (&Apache::lonnet::allowed('mgr',$crs_sec)) { + $metainfo.= ''. '&command=gradingmenu">'. @@ -947,7 +1095,8 @@ sub get_buttons { ' title="'.&mt('Content Grades').'" />'. ''; } - if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { + if ((&Apache::lonnet::allowed('opa',$crs_sec)) || + (&Apache::lonnet::allowed('vpa',$crs_sec))) { $metainfo.= ''. @@ -968,8 +1117,8 @@ sub get_buttons { &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,$hash->{'src_'.$rid},$symb); if ($cfile ne '') { my $jscall = &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,$switchserver, - $forceedit,1,$symb,undef, - &escape($env{'form.title'}), + $forceedit,1,$symb,$shownsymb, + undef,&escape($env{'form.title'}), $hostname); if ($jscall) { $editbutton = 1; @@ -988,12 +1137,15 @@ sub get_buttons { if ((&Apache::lonnet::allowed('cre','/')) && (&Apache::lonnet::metadata($url,'sourceavail') eq 'open')) { $viewsrcbutton = 1; - } elsif (&Apache::lonnet::allowed('vxc',$env{'request.course.id'})) { + } elsif (&Apache::lonnet::allowed('vxc',$crs_sec)) { if ($url =~ m{^\Q/res/$cdom/\E($LONCAPA::match_username)/}) { my $auname = $1; if (($env{'request.course.adhocsrcaccess'} ne '') && (grep(/^\Q$auname\E$/,split(/,/,$env{'request.course.adhocsrcaccess'})))) { $viewsrcbutton = 1; + } elsif ((&Apache::lonnet::metadata($url,'sourceavail') eq 'open') && + (&Apache::lonnet::allowed('bre',$crs_sec))) { + $viewsrcbutton = 1; } } } @@ -1037,7 +1189,7 @@ sub add_countdown_timer { $donebuttontext = &mt('Done'); $type = 'map'; } - $donebutton = + $donebutton = &Apache::lonmenu::done_button_js($type,'','',$proctor,$donebuttontext); } unless ($env{'environment.icons'} eq 'iconsonly') { @@ -1056,11 +1208,20 @@ $collapse $expand $alttxt$title END - &Apache::lonhtmlcommon::clear_breadcrumb_tools(); &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$output); return; } +sub create_extlink { + my ($url,$anchor,$title,$linktext) = @_; + my $shownlink; + unless ($title eq '') { + $shownlink = ''.$title.'
'; + } + my $dest = &HTML::Entities::encode($url.$anchor,'&<>"'); + $shownlink .= ''.$linktext.''; + return $shownlink; +} 1; __END__