--- rat/lonpage.pm 2016/08/10 02:58:17 1.111.2.1 +++ rat/lonpage.pm 2020/03/05 20:46:04 1.111.2.11 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Page Handler # -# $Id: lonpage.pm,v 1.111.2.1 2016/08/10 02:58:17 raeburn Exp $ +# $Id: lonpage.pm,v 1.111.2.11 2020/03/05 20:46:04 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -41,7 +41,9 @@ use Apache::lonxml(); use Apache::lonlocal; use Apache::lonmenu; use Apache::lonhomework; +use Apache::lonenc(); use HTML::TokeParser; +use HTML::Entities(); use GDBM_File; use Apache::lonsequence; use lib '/home/httpd/lib/perl/'; @@ -183,6 +185,10 @@ sub handler { if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) { my $fn=$env{'request.course.fn'}; 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}; @@ -192,7 +198,7 @@ sub handler { my $now = time; my ($pagefirstaccess,%hastimeleft,%countdowndisp); my ($pagesymb,$courseid,$domain,$name)=&Apache::lonnet::whichuser(); - if (($pagesymb && ($courseid ne '') && ($domain ne '') && ($name ne '')) { + if ($pagesymb && ($courseid ne '') && ($domain ne '') && ($name ne '')) { my %times=&Apache::lonnet::get('firstaccesstimes', [$courseid."\0".$pagesymb], $domain,$name); @@ -260,26 +266,80 @@ sub handler { $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); 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,$plainsrc); + unless ($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 ($mapid,$resid)=split(/\./,$_); - my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src); - - my $prefix=$_.'_'; - my $idprefix= join('_',($mapid,$resid,'')); + my $prefix='p_'.$_.'_'; + my $idprefix='p_'.join('_',($mapid,$resid,'')); my %posthash=('request.prefix' => $prefix, 'LONCAPA_INTERNAL_no_discussion' => 'true', 'symb' => $symb); @@ -292,26 +352,34 @@ ENDEXT $posthash{'rndseed'}=$env{'form.rndseed'}; $posthash{'answer_output_mode'} = $env{'form.answer_output_mode'}; } - my $submitted=exists($env{'form.all_submit'}); + my $submitted=$env{'form.all_submit_pressed'}; if (!$submitted) { foreach my $key (keys(%env)) { - if ($key=~/^form.\Q$prefix\Esubmit_/) { - $submitted=1;last; + if ($key=~/^\Qform.$prefix\Esubmit_(.+)_pressed$/) { + if ($env{$key}) { + $submitted=1; + last; + } } - } + } } if ($submitted) { foreach my $key (keys(%env)) { - if ($key=~/^form.\Q$prefix\E/) { + if ($key=~/^\Qform.$prefix\E/) { my $name=$key; - $name=~s/^form.\Q$prefix\E//; + $name=~s/^\Qform.$prefix\E//; $posthash{$name}=$env{$key}; - } + } } - if (exists($env{'form.all_submit'})) { + if ($env{'form.all_submit_pressed'}) { $posthash{'all_submit'}='yes'; } - } + } elsif ($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')) { @@ -398,6 +466,8 @@ ENDEXT s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi; $output=~ s/\<((?:input|select|button|textarea)[^\>]+)id\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 id="$idprefix$2" $3\>/gsi; + $output=~ + s/(\Qthis.form.elements['\E)(HW(?:VAL|CHK)_[^']+\'\]\.(?:value=\'|checked))/$1$prefix$2/gsi; if ($hastimer) { $output=~ s/\<(input[^\>]+name=\Q"$prefix\Eaccessbutton"[^\>]+)(?:\Qdocument.markaccess.submit();\E)([^\>]*)\>/\<$1pageTimer(this.form,'$prefix')$2\>/gsi; @@ -417,8 +487,6 @@ ENDEXT $output=~ s/(\Q)/$1$idprefix$2$3$4/g; if ($nuploads) { - $output=~ - s/\<(input[^\>]+name=\"\Q$prefix\EHWFILE[^\>]+)\s*id\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\)]*)\>/\<$1 id="$prefix$2" $3\>/gsi; ($turninpaths{$prefix},$multiresps{$prefix}) = &Apache::loncommon::get_turnedin_filepath($symb,$env{'user.name'},$env{'user.domain'}); if ($turninparent eq '') { @@ -431,11 +499,11 @@ ENDEXT $output=~ s/\<(input[^\>]+\Qonfocus=\"javascript:disableAutoComplete\E)\(\'([^\']+)\'\)(;\")/\<$1('$idprefix$2')$3/gsi; unless ($hastimer) { - if ($src =~ /$LONCAPA::assess_re/) { + if ($plainsrc =~ /$LONCAPA::assess_re/) { %Apache::lonhomework::history = &Apache::lonnet::restore($symb,$courseid,$domain,$name); my $type = 'problem'; - if ($src =~ /\.task$/) { + if ($extension eq 'task') { $type = 'Task'; } my ($status,$accessmsg,$slot_name,$slot) = @@ -508,7 +576,7 @@ ENDEXT &Apache::loncommon::content_type($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()); @@ -531,7 +599,9 @@ ENDEXT "\n\n"; } if (($nforms) && ($nuploads)) { - $allscript .= &Apache::lonhtmlcommon::file_submissionchk_js(\%turninpaths,\%multiresps); + $allscript .= &Apache::lonhtmlcommon::file_submissionchk_js(\%turninpaths,\%multiresps). + ''; } if (($nforms) && (&Apache::lonhtmlcommon::htmlareabrowser())) { my %textarea_args = ( @@ -549,6 +619,7 @@ ENDEXT '// ]]>'. "\n\n"; } + &Apache::lonhtmlcommon::clear_breadcrumb_tools(); if (keys(%hastimeleft)) { my (%uniquetimes,%uniquedisplays); foreach my $item (values(%hastimeleft)) { @@ -576,10 +647,27 @@ ENDEXT &add_countdown_timer($currdisp); } } + my $pagebuttonshide; + if (keys(%buttonshide)) { + my %uniquebuttonhide; + foreach my $item (values(%buttonshide)) { + if (exists($uniquebuttonhide{$item})) { + $uniquebuttonhide{$item} ++; + } else { + $uniquebuttonhide{$item} = 1; + } + } + if (keys(%uniquebuttonhide) == 1) { + if (lc((keys(%uniquebuttonhide))[0]) eq 'yes') { + $pagebuttonshide = 'yes'; + } + } + } # ------------------------------------------------------------------ Start body $r->print(&Apache::loncommon::start_page(undef,$allscript, {'force_register' => 1, - 'bgcolor' => '#ffffff',})); + 'bgcolor' => '#ffffff', + 'hide_buttons' => $pagebuttonshide})); # ------------------------------------------------------------------ Start form if ($nforms) { my $fmtag = '
'; + my $metainfo =&get_buttons(\%hash,$rid,\%buttonshide,$hostname).'
'; unless (($target eq 'tex') || ($target eq 'tex_answer')) { $r->print('print('>'); } - unless (($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(''); } @@ -715,6 +800,8 @@ ENDEXT $r->print( ''. + ''. '
'); } @@ -753,37 +840,45 @@ ENDEXT } sub get_buttons { - my ($hash,$rid) = @_; + my ($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 $aname; + if (($hash->{'encrypted_'.$rid}) && (!$env{'request.role.adv'})) { + $aname = 'LC_'.$rid; + } else { + $aname = &escape($symb); + } + my $metainfo = ''; unless ($env{'request.role.adv'}) { - if (&Apache::lonnet::EXT('resource.0.buttonshide',$symb)) { - return; + if ($buttonshide->{$symb} eq 'yes') { + 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/})) { $metainfo .= ''. @@ -795,7 +890,8 @@ sub get_buttons { if (($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))) { $metainfo.= ''. @@ -803,7 +899,10 @@ sub get_buttons { ''.&mt('View Submissions for a Student or a Group of Students').''. - ''. + ''; + } + if (&Apache::lonnet::allowed('mgr',$crs_sec)) { + $metainfo.= ''. '&command=gradingmenu">'. @@ -812,7 +911,8 @@ sub get_buttons { ' title="'.&mt('Content Grades').'" />'. ''; } - if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { + if ((&Apache::lonnet::allowed('opa',$crs_sec)) || + (&Apache::lonnet::allowed('vpa',$crs_sec))) { $metainfo.= ''. @@ -823,23 +923,64 @@ sub get_buttons { ''; } } - if (($env{'request.course.id'}) && (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) { + if ($env{'request.course.id'}) { my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; my $file=&Apache::lonnet::declutter($hash->{'src_'.$rid}); - my ($cfile,$home,$switchserver,$forceedit,$forceview) = - &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($env{'form.title'})); - if ($jscall) { + my $editbutton = ''; + if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) { + my ($cfile,$home,$switchserver,$forceedit,$forceview) = + &Apache::lonnet::can_edit_resource($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'}), + $hostname); + if ($jscall) { + $editbutton = 1; + my $icon = 'pcstr.png'; + my $label = &mt('Edit'); + my $title = &mt('Edit this resource'); + my $pic = ''.$label.''; + $metainfo .= ' '.$pic.''; + } + } + } + if ((!$editbutton) && ($file=~/$LONCAPA::assess_re/)) { + my $url = &Apache::lonnet::clutter($file); + my $viewsrcbutton; + if ((&Apache::lonnet::allowed('cre','/')) && + (&Apache::lonnet::metadata($url,'sourceavail') eq 'open')) { + $viewsrcbutton = 1; + } elsif (&Apache::lonnet::allowed('vxc',$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))) { + $viewsrcbutton = 1; + } + } + } + if ($viewsrcbutton) { my $icon = 'pcstr.png'; - my $label = &mt('Edit'); - my $title = &mt('Edit this resource'); + my $label = &mt('View Source'); + my $title = &mt('View source code'); + my $jsrid = $rid; + $jsrid =~ s/\./_/g; + my $showurl = &escape(&Apache::lonenc::check_encrypt($url)); my $pic = ''.$label.''; - $metainfo .= ' '.$pic.''; + $metainfo .= ' '.$pic.''."\n". + '\n"; } } } @@ -869,11 +1010,20 @@ $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__