--- rat/lonpage.pm 2020/01/22 14:55:13 1.111.2.10 +++ rat/lonpage.pm 2023/01/19 17:23:33 1.111.2.13.2.5 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Page Handler # -# $Id: lonpage.pm,v 1.111.2.10 2020/01/22 14:55:13 raeburn Exp $ +# $Id: lonpage.pm,v 1.111.2.13.2.5 2023/01/19 17:23:33 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -41,8 +41,10 @@ use Apache::lonxml(); use Apache::lonlocal; use Apache::lonmenu; 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/'; @@ -100,7 +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].='&'.$rid; @@ -186,6 +190,8 @@ sub handler { if (-e "$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_'.$requrl}; @@ -193,16 +199,24 @@ sub handler { if (($firstres) && ($lastres)) { # ------------------------------------------------------------- Countdown Timer my $now = time; - my ($pagefirstaccess,%hastimeleft,%countdowndisp); + my ($pagefirstaccess,%hastimeleft,%countdowndisp,%donebutton, + %donebtnextra,%buttonbytime,$donetime,$symbtosetdone); my ($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], $domain,$name); if ($times{$courseid."\0".$pagesymb} =~ /^\d+$/) { $pagefirstaccess = $times{$courseid."\0".$pagesymb}; + if ($pagefirstaccess && $env{'form.LC_interval_done'} eq 'true') { + $donetime = $now - $pagefirstaccess; + } } } + # ----------------------------------------------------------------- Render page @rows=(); @@ -220,6 +234,27 @@ sub handler { my ($mapid,$resid)=split(/\./,$rid); $symbhash{$hash{'src_'.$rid}}= [$hash{'src_'.$rid},$resid]; + if (($donetime) && ($symbtosetdone eq '')) { + my $src = $hash{'src_'.$rid}; + if ($hash{'encrypted_'.$rid}) { + $src=&Apache::lonenc::encrypted($src); + } + my ($mapid,$resid)=split(/\./,$rid); + my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src); + if ($src =~ /$LONCAPA::assess_re/) { + my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb); + if (@interval > 1) { + if (($interval[1] eq 'map') && ($pagefirstaccess)) { + my ($timelimit) = ($interval[0] =~ /^(\d+)/); + if ($timelimit) { + if ($pagefirstaccess + $timelimit > $now) { + $symbtosetdone = $symb; + } + } + } + } + } + } } } } @@ -243,6 +278,8 @@ sub handler { my %ssilink=(); my %ssivlink=(); my %ssialink=(); + my %cssrefs=(); + my %httpref=(); my %cellemb=(); my %cellexternal=(); @@ -254,6 +291,16 @@ sub handler { my $xmlheader=''; my $xmlbody=''; +# ---------------------------------------------------------- Handle Done button + + # Set the event timer to zero if the "done button" was clicked. + if ($donetime && $symbtosetdone) { + &Apache::lonparmset::storeparm_by_symb_inner($symbtosetdone,'0_interval', + 2,$donetime,'date_interval', + $name,$domain); + undef($env{'form.LC_interval_done'}); + } + # --------------------------------------------- Get SSI output, post parameters for ($i=0;$i<=$#rows;$i++) { @@ -264,23 +311,74 @@ 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 @@ -347,6 +445,7 @@ ENDEXT my $bodydef=0; my $thisxml=0; my @rlinks=(); + my @css_hrefs=(); if ($output=~/\?xml/) { $isxml=1; $thisxml=1; @@ -389,6 +488,14 @@ ENDEXT ($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'}; + + } } } } @@ -457,7 +564,8 @@ ENDEXT undef(%Apache::lonhomework::history); my $probstatus = &Apache::lonnet::EXT("resource.0.problemstatus",$symb); if (($status eq 'CAN_ANSWER') || (($status eq 'CANNOT_ANSWER') && - (($probstatus eq 'no') || ($probstatus eq 'no_feedback_ever')))) { + (($probstatus eq 'no') || ($probstatus eq 'no_feedback_ever'))) || + (($status eq 'NOT_YET_VIEWED') && ($posthash{'markaccess'} eq 'yes'))) { my ($slothastime,$timerhastime); if ($slot_name ne '') { if (ref($slot) eq 'HASH') { @@ -470,11 +578,26 @@ ENDEXT my $duedate = &Apache::lonnet::EXT("resource.0.duedate",$symb); my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb); if (@interval > 1) { - my $first_access=&Apache::lonnet::get_first_access($interval[1],$symb); + my $first_access; + if ($interval[1] eq 'map') { + my $ignorecache; + if ($env{'form.'.$prefix.'markaccess'} eq 'yes') { + $ignorecache = 1; + } + $first_access=&Apache::lonnet::get_first_access($interval[1],undef,$pagesymb,$ignorecache); + if (($first_access) && (!$pagefirstaccess)) { + $pagefirstaccess = $first_access; + } + } else { + $first_access=&Apache::lonnet::get_first_access($interval[1],$symb); + } if ($first_access > 0) { - my $timeremains = $first_access+$interval[0] - $now; - if ($timeremains > 0) { - $timerhastime = $timeremains; + my ($timelimit) = ($interval[0] =~ /^(\d+)/); + if ($timelimit) { + my $timeremains = $timelimit + $first_access - $now; + if ($timeremains > 0) { + $timerhastime = $timeremains; + } } } } @@ -486,6 +609,28 @@ ENDEXT $countdowndisp{$symb} = 'inline'; if ((@interval > 1) && ($timerhastime)) { $hastimeleft{$symb} = $timerhastime; + if ($pagefirstaccess) { + my ($timelimit,$usesdone,$donebuttontext,$proctor,$secret); + ($timelimit,my $donesuffix) = split(/_/,$interval[0],2); + if ($donesuffix =~ /^done\:([^\:]+)\:(.*)$/) { + $usesdone = 'done'; + $donebuttontext = $1; + (undef,$proctor,$secret) = split(/_/,$2); + } elsif ($donesuffix =~ /^done(|_.+)$/) { + $donebuttontext = &mt('Done'); + ($usesdone,$proctor,$secret) = split(/_/,$donesuffix); + } + if ($usesdone eq 'done') { + $donebutton{$symb} = $timelimit; + push(@{$buttonbytime{$timelimit}},$symb); + $donebtnextra{$symb} = { + text => $donebuttontext, + proctor => $proctor, + secret => $secret, + type => $interval[1], + }; + } + } } else { $hastimeleft{$symb} = $slothastime; } @@ -493,6 +638,9 @@ ENDEXT $hastimeleft{$symb} = $duedate - $now; $countdowndisp{$symb} = 'none'; } + unless ($donebutton{$symb}) { + $donebutton{$symb} = 0; + } } } } @@ -510,13 +658,35 @@ 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'); @@ -565,6 +735,7 @@ ENDEXT '// ]]>'. "\n\n"; } + &Apache::lonhtmlcommon::clear_breadcrumb_tools(); if (keys(%hastimeleft)) { my (%uniquetimes,%uniquedisplays); foreach my $item (values(%hastimeleft)) { @@ -574,8 +745,9 @@ ENDEXT $uniquetimes{$item} = 1; } } - if (keys(%uniquetimes) == 1) { - my (%uniquedisplays,%uniquedones,$currdisp); + if (scalar(keys(%uniquetimes)) == 1) { + my (%uniquedisplays,%uniquedones,$currdisp,$donebuttontime, + $donebuttonextras); if (keys(%countdowndisp)) { foreach my $item (values(%countdowndisp)) { if (exists($uniquedisplays{$item})) { @@ -589,7 +761,25 @@ ENDEXT $currdisp = $countdowndisplay[0]; } } - &add_countdown_timer($currdisp); + if (keys(%donebutton)) { + foreach my $item (values(%donebutton)) { + if (exists($uniquedones{$item})) { + $uniquedones{$item} ++; + } else { + $uniquedones{$item} = 1; + } + } + my @donebuttons = sort { $ <=> $b } (keys(%uniquedones)); + if (scalar(@donebuttons) == 1) { + if ($donebuttons[0]) { + $donebuttontime = $donebuttons[0]; + if (ref($buttonbytime{$donebuttontime}) eq 'ARRAY') { + $donebuttonextras = $donebtnextra{$buttonbytime{$donebuttontime}->[0]}; + } + } + } + } + &add_countdown_timer($currdisp,$donebuttontime,$donebuttonextras); } } my $pagebuttonshide; @@ -608,6 +798,21 @@ 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, @@ -684,10 +889,7 @@ 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')) { $r->print(''); } @@ -766,9 +968,26 @@ ENDEXT } # ------------------------------------------------------------- End render page } else { - &Apache::loncommon::content_type($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 { + $r->print(''. + &mt('This resource was unavailable when your '.lc($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,$requrl); + } } # ------------------------------------------------------------------ Untie hash unless (untie(%hash)) { @@ -790,35 +1009,50 @@ ENDEXT sub get_buttons { my ($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/})) { $metainfo .= ''. @@ -830,7 +1064,8 @@ sub get_buttons { if (($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))) { $metainfo.= ''. @@ -838,7 +1073,10 @@ sub get_buttons { ''.&mt('View Submissions for a Student or a Group of Students').''. - ''. + ''; + } + if (&Apache::lonnet::allowed('mgr',$crs_sec)) { + $metainfo.= ''. '&command=gradingmenu">'. @@ -847,7 +1085,8 @@ sub get_buttons { ' title="'.&mt('Content Grades').'" />'. ''; } - if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { + if ((&Apache::lonnet::allowed('opa',$crs_sec)) || + (&Apache::lonnet::allowed('vpa',$crs_sec))) { $metainfo.= ''. @@ -868,8 +1107,8 @@ sub get_buttons { &Apache::lonnet::can_edit_resource($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) { $editbutton = 1; @@ -888,12 +1127,15 @@ sub get_buttons { if ((&Apache::lonnet::allowed('cre','/')) && (&Apache::lonnet::metadata($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))) { + $viewsrcbutton = 1; } } } @@ -920,19 +1162,33 @@ sub get_buttons { } sub add_countdown_timer { - my ($currdisp) = @_; - my ($collapse,$expand,$alttxt,$title); + my ($currdisp,$donebuttontime,$donebuttonextras) = @_; + my ($collapse,$expand,$alttxt,$title,$donebutton); if ($currdisp eq 'inline') { $collapse = '► '; } else { $expand = '◄ '; } + if ($donebuttontime) { + my ($type,$proctor,$donebuttontext); + if (ref($donebuttonextras) eq 'HASH') { + $proctor = $donebuttonextras->{'proctor'}; + $donebuttontext = $donebuttonextras->{'text'}; + $type = $donebuttonextras->{'type'}; + } else { + $donebuttontext = &mt('Done'); + $type = 'map'; + } + $donebutton = + &Apache::lonmenu::done_button_js($type,'','',$proctor,$donebuttontext); + } unless ($env{'environment.icons'} eq 'iconsonly') { $alttxt = &mt('Timer'); $title = $alttxt.' '; } my $desc = &mt('Countdown to due date/time'); my $output = < $collapse @@ -942,11 +1198,20 @@ $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__