--- loncom/interface/loncommon.pm 2020/02/15 03:57:54 1.1338 +++ loncom/interface/loncommon.pm 2021/06/12 20:51:38 1.1360 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.1338 2020/02/15 03:57:54 raeburn Exp $ +# $Id: loncommon.pm,v 1.1360 2021/06/12 20:51:38 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -4893,6 +4893,59 @@ sub get_student_view_with_retries { } } +sub css_links { + my ($currsymb,$level) = @_; + my ($links,@symbs,%cssrefs,%httpref); + if ($level eq 'map') { + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + my ($map,undef,$url)=&Apache::lonnet::decode_symb($currsymb); + my @resources = $navmap->retrieveResources($map,sub { $_[0]->is_problem() },0,0); + foreach my $res (@resources) { + if (ref($res) && $res->symb()) { + push(@symbs,$res->symb()); + } + } + } + } else { + @symbs = ($currsymb); + } + foreach my $symb (@symbs) { + my $css_href = &Apache::lonnet::EXT('resource.0.cssfile',$symb); + if ($css_href =~ /\S/) { + unless ($css_href =~ m{https?://}) { + my $url = (&Apache::lonnet::decode_symb($symb))[-1]; + my $proburl = &Apache::lonnet::clutter($url); + my ($probdir) = ($proburl =~ m{(.+)/[^/]+$}); + unless ($css_href =~ m{^/}) { + $css_href = &Apache::lonnet::hreflocation($probdir,$css_href); + } + if ($css_href =~ m{^/(res|uploaded)/}) { + unless (($httpref{'httpref.'.$css_href}) || + (&Apache::lonnet::is_on_map($css_href))) { + my $thisurl = $proburl; + if ($env{'httpref.'.$proburl}) { + $thisurl = $env{'httpref.'.$proburl}; + } + $httpref{'httpref.'.$css_href} = $thisurl; + } + } + } + $cssrefs{$css_href} = 1; + } + } + if (keys(%httpref)) { + &Apache::lonnet::appenv(\%httpref); + } + if (keys(%cssrefs)) { + foreach my $css_href (keys(%cssrefs)) { + next unless ($css_href =~ m{^(/res/|/uploaded/|https?://)}); + $links .= ''."\n"; + } + } + return $links; +} + =pod =item * &get_student_answers() @@ -5148,13 +5201,13 @@ sub findallcourses { ############################################### sub blockcheck { - my ($setters,$activity,$uname,$udom,$url,$is_course) = @_; + my ($setters,$activity,$uname,$udom,$url,$is_course,$symb,$caller) = @_; if (defined($udom) && defined($uname)) { # If uname and udom are for a course, check for blocks in the course. if (($is_course) || (&Apache::lonnet::is_course($udom,$uname))) { my ($startblock,$endblock,$triggerblock) = - &get_blocks($setters,$activity,$udom,$uname,$url); + &get_blocks($setters,$activity,$udom,$uname,$url,$symb,$caller); return ($startblock,$endblock,$triggerblock); } } else { @@ -5172,7 +5225,8 @@ sub blockcheck { if (($activity eq 'boards' || $activity eq 'chat' || $activity eq 'groups' || $activity eq 'printout' || - $activity eq 'reinit' || $activity eq 'alert') && + $activity eq 'search' || $activity eq 'reinit' || + $activity eq 'alert') && ($env{'request.course.id'})) { foreach my $key (keys(%live_courses)) { if ($key ne $env{'request.course.id'}) { @@ -5282,7 +5336,7 @@ sub blockcheck { # of specified user, unless user has 'evb' privilege. my ($start,$end,$trigger) = - &get_blocks($setters,$activity,$cdom,$cnum,$url); + &get_blocks($setters,$activity,$cdom,$cnum,$url,$symb,$caller); if (($start != 0) && (($startblock == 0) || ($startblock > $start))) { $startblock = $start; @@ -5302,7 +5356,7 @@ sub blockcheck { } sub get_blocks { - my ($setters,$activity,$cdom,$cnum,$url) = @_; + my ($setters,$activity,$cdom,$cnum,$url,$symb,$caller) = @_; my $startblock = 0; my $endblock = 0; my $triggerblock = ''; @@ -5315,7 +5369,13 @@ sub get_blocks { my $now = time; my %commblocks = &Apache::lonnet::get_comm_blocks($cdom,$cnum); if ($activity eq 'docs') { - @blockers = &Apache::lonnet::has_comm_blocking('bre',undef,$url,\%commblocks); + my ($blocked,$nosymbcache,$noenccheck); + if (($caller eq 'blockedaccess') || ($caller eq 'blockingstatus')) { + $blocked = 1; + $nosymbcache = 1; + $noenccheck = 1; + } + @blockers = &Apache::lonnet::has_comm_blocking('bre',$symb,$url,$nosymbcache,$noenccheck,$blocked,\%commblocks); foreach my $block (@blockers) { if ($block =~ /^firstaccess____(.+)$/) { my $item = $1; @@ -5443,12 +5503,12 @@ sub parse_block_record { } sub blocking_status { - my ($activity,$uname,$udom,$url,$is_course) = @_; + my ($activity,$uname,$udom,$url,$is_course,$symb,$caller) = @_; my %setters; # check for active blocking my ($startblock,$endblock,$triggerblock) = - &blockcheck(\%setters,$activity,$uname,$udom,$url,$is_course); + &blockcheck(\%setters,$activity,$uname,$udom,$url,$is_course,$symb,$caller); my $blocked = 0; if ($startblock && $endblock) { $blocked = 1; @@ -5459,12 +5519,17 @@ sub blocking_status { # build a link to a popup window containing the details my $querystring = "?activity=$activity"; -# $uname and $udom decide whose portfolio the user is trying to look at - if (($activity eq 'port') || ($activity eq 'passwd')) { +# $uname and $udom decide whose portfolio (or information page) the user is trying to look at + if (($activity eq 'port') || ($activity eq 'about') || ($activity eq 'passwd')) { $querystring .= "&udom=$udom" if ($udom =~ /^$match_domain$/); $querystring .= "&uname=$uname" if ($uname =~ /^$match_username$/); } elsif ($activity eq 'docs') { - $querystring .= '&url='.&HTML::Entities::encode($url,'&"'); + my $showurl = &Apache::lonenc::check_encrypt($url); + $querystring .= '&url='.&HTML::Entities::encode($showurl,'\'&"<>'); + if ($symb) { + my $showsymb = &Apache::lonenc::check_encrypt($symb); + $querystring .= '&symb='.&HTML::Entities::encode($showsymb,'\'&"<>'); + } } my $output .= <<'END_MYBLOCK'; @@ -5489,10 +5554,16 @@ END_MYBLOCK $text = &mt('Printing Blocked'); } elsif ($activity eq 'passwd') { $text = &mt('Password Changing Blocked'); + } elsif ($activity eq 'grades') { + $text = &mt('Gradebook Blocked'); + } elsif ($activity eq 'search') { + $text = &mt('Search Blocked'); } elsif ($activity eq 'alert') { $text = &mt('Checking Critical Messages Blocked'); } elsif ($activity eq 'reinit') { $text = &mt('Checking Course Update Blocked'); + } elsif ($activity eq 'about') { + $text = &mt('Access to User Information Pages Blocked'); } $output .= <<"END_BLOCK";
@@ -5516,8 +5587,14 @@ sub check_ip_acc { if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) { return 1; } - my $allowed; - my $ip=$ENV{'REMOTE_ADDR'} || $clientip || $env{'request.host'}; + my ($ip,$allowed); + if (($ENV{'REMOTE_ADDR'} eq '127.0.0.1') || + ($ENV{'REMOTE_ADDR'} eq &Apache::lonnet::get_host_ip($Apache::lonnet::perlvar{'lonHostID'}))) { + $ip = $env{'request.host'} || $ENV{'REMOTE_ADDR'} || $clientip; + } else { + my $remote_ip = &Apache::lonnet::get_requestor_ip(); + $ip = $remote_ip || $env{'request.host'} || $clientip; + } my $name; my %access = ( @@ -6038,7 +6115,8 @@ other decorations will be returned. sub bodytag { my ($title,$function,$addentries,$bodyonly,$domain,$forcereg, - $no_nav_bar,$bgcolor,$args,$advtoolsref,$ltiscope,$ltiuri,$ltimenu)=@_; + $no_nav_bar,$bgcolor,$args,$advtoolsref,$ltiscope,$ltiuri, + $ltimenu,$menucoll,$menuref)=@_; my $public; if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')) @@ -6067,12 +6145,24 @@ sub bodytag { if ($realm) { $realm = '/'.$realm; } - if ($role eq 'ca') { + if ($role eq 'ca') { my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$}); $realm = &plainname($rname,$rdom); } # realm + my ($cid,$sec); if ($env{'request.course.id'}) { + $cid = $env{'request.course.id'}; + if ($env{'request.course.sec'}) { + $sec = $env{'request.course.sec'}; + } + } elsif ($realm =~ m{^/($match_domain)/($match_courseid)(?:|/(\w+))$}) { + if (&Apache::lonnet::is_course($1,$2)) { + $cid = $1.'_'.$2; + $sec = $3; + } + } + if ($cid) { if ($env{'request.role'} !~ /^cr/) { $role = &Apache::lonnet::plaintext($role,&course_type()); } elsif ($role =~ m{^cr/($match_domain)/\1-domainconfig/(\w+)$}) { @@ -6084,10 +6174,10 @@ sub bodytag { } else { $role = (split(/\//,$role,4))[-1]; } - if ($env{'request.course.sec'}) { - $role .= (' 'x2).'- '.&mt('section:').' '.$env{'request.course.sec'}; + if ($sec) { + $role .= (' 'x2).'- '.&mt('section:').' '.$sec; } - $realm = $env{'course.'.$env{'request.course.id'}.'.description'}; + $realm = $env{'course.'.$cid.'.description'}; } else { $role = &Apache::lonnet::plaintext($role); } @@ -6110,13 +6200,25 @@ sub bodytag { undef($role); } - if (($env{'request.course.id'}) && ($env{'request.lti.login'})) { + my $showcrstitle = 1; + if (($cid) && ($env{'request.lti.login'})) { if (ref($ltimenu) eq 'HASH') { unless ($ltimenu->{'role'}) { undef($role); } unless ($ltimenu->{'coursetitle'}) { $realm=' '; + $showcrstitle = 0; + } + } + } elsif (($cid) && ($menucoll)) { + if (ref($menuref) eq 'HASH') { + unless ($menuref->{'role'}) { + undef($role); + } + unless ($menuref->{'crs'}) { + $realm=' '; + $showcrstitle = 0; } } } @@ -6125,17 +6227,15 @@ sub bodytag { # # Extra info if you are the DC my $dc_info = ''; - if ($env{'user.adv'} && exists($env{'user.role.dc./'. - $env{'course.'.$env{'request.course.id'}. - '.domain'}.'/'})) { - my $cid = $env{'request.course.id'}; + if (($env{'user.adv'}) && ($env{'request.course.id'}) && $showcrstitle && + (exists($env{'user.role.dc./'.$env{'course.'.$cid.'.domain'}.'/'}))) { $dc_info = $cid.' '.$env{'course.'.$cid.'.internal.coursecode'}; $dc_info =~ s/\s+$//; } my $crstype; - if ($env{'request.course.id'}) { - $crstype = $env{'course.'.$env{'request.course.id'}.'.type'}; + if ($cid) { + $crstype = $env{'course.'.$cid.'.type'}; } elsif ($args->{'crstype'}) { $crstype = $args->{'crstype'}; } @@ -6155,7 +6255,7 @@ sub bodytag { Apache::lonmenu::utilityfunctions($httphost), 'start'); unless ($args->{'no_primary_menu'}) { - my ($left,$right) = Apache::lonmenu::primary_menu($crstype,$ltimenu); + my ($left,$right) = Apache::lonmenu::primary_menu($crstype,$ltimenu,$menucoll,$menuref); if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { if ($dc_info) { @@ -6186,7 +6286,8 @@ sub bodytag { if (!$public){ unless ($args->{'no_inline_menu'}) { $bodytag .= Apache::lonmenu::secondary_menu($httphost,$ltiscope,$ltimenu, - $args->{'no_primary_menu'}); + $args->{'no_primary_menu'}, + $menucoll,$menuref); } $bodytag .= Apache::lonmenu::serverform(); $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end'); @@ -8521,43 +8622,99 @@ ADDMETA my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'}; unless (&Apache::lonnet::allowed('mau',$dom_in_use)) { my %domdefs = &Apache::lonnet::get_domain_defaults($dom_in_use); + my $lonhost = $Apache::lonnet::perlvar{'lonHostID'}; + my ($offload,$offloadoth); if (ref($domdefs{'offloadnow'}) eq 'HASH') { - my $lonhost = $Apache::lonnet::perlvar{'lonHostID'}; if ($domdefs{'offloadnow'}{$lonhost}) { - my $newserver = &Apache::lonnet::spareserver(30000,undef,1,$dom_in_use); - if (($newserver) && ($newserver ne $lonhost)) { - my $numsec = 5; - my $timeout = $numsec * 1000; - my ($newurl,$locknum,%locks,$msg); - if ($env{'request.role.adv'}) { - ($locknum,%locks) = &Apache::lonnet::get_locks(); + $offload = 1; + if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne $dom_in_use) && + (!(($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')))) { + unless (&Apache::lonnet::shared_institution($env{'user.domain'})) { + $offloadoth = 1; + $dom_in_use = $env{'user.domain'}; } - my $disable_submit = 0; - if ($requrl =~ /$LONCAPA::assess_re/) { - $disable_submit = 1; + } + } + } + unless ($offload) { + if (ref($domdefs{'offloadoth'}) eq 'HASH') { + if ($domdefs{'offloadoth'}{$lonhost}) { + if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne $dom_in_use) && + (!(($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')))) { + unless (&Apache::lonnet::shared_institution($env{'user.domain'})) { + $offload = 1; + $offloadoth = 1; + $dom_in_use = $env{'user.domain'}; + } } - if ($locknum) { - my @lockinfo = sort(values(%locks)); - $msg = &mt('Once the following tasks are complete: ')."\\n". - join(", ",sort(values(%locks)))."\\n". - &mt('your session will be transferred to a different server, after you click "Roles".'); + } + } + } + if ($offload) { + my $newserver = &Apache::lonnet::spareserver(undef,30000,undef,1,$dom_in_use); + if (($newserver eq '') && ($offloadoth)) { + my @domains = &Apache::lonnet::current_machine_domains(); + if (($dom_in_use ne '') && (!grep(/^\Q$dom_in_use\E$/,@domains))) { + ($newserver) = &Apache::lonnet::choose_server($dom_in_use); + } + } + if (($newserver) && ($newserver ne $lonhost)) { + my $numsec = 5; + my $timeout = $numsec * 1000; + my ($newurl,$locknum,%locks,$msg); + if ($env{'request.role.adv'}) { + ($locknum,%locks) = &Apache::lonnet::get_locks(); + } + my $disable_submit = 0; + if ($requrl =~ /$LONCAPA::assess_re/) { + $disable_submit = 1; + } + if ($locknum) { + my @lockinfo = sort(values(%locks)); + $msg = &mt('Once the following tasks are complete:')." \n". + join(", ",sort(values(%locks)))."\n"; + if (&show_course()) { + $msg .= &mt('your session will be transferred to a different server, after you click "Courses".'); } else { - if (($requrl =~ m{^/res/}) && ($env{'form.submitted'} =~ /^part_/)) { - $msg = &mt('Your LON-CAPA submission has been recorded')."\\n"; - } - $msg .= &mt('Your current LON-CAPA session will be transferred to a different server in [quant,_1,second].',$numsec); - $newurl = '/adm/switchserver?otherserver='.$newserver; - if (($env{'request.role'}) && ($env{'request.role'} ne 'cm')) { - $newurl .= '&role='.$env{'request.role'}; + $msg .= &mt('your session will be transferred to a different server, after you click "Roles".'); + } + } else { + if (($requrl =~ m{^/res/}) && ($env{'form.submitted'} =~ /^part_/)) { + $msg = &mt('Your LON-CAPA submission has been recorded')."\n"; + } + $msg .= &mt('Your current LON-CAPA session will be transferred to a different server in [quant,_1,second].',$numsec); + $newurl = '/adm/switchserver?otherserver='.$newserver; + if (($env{'request.role'}) && ($env{'request.role'} ne 'cm')) { + $newurl .= '&role='.$env{'request.role'}; + } + if ($env{'request.symb'}) { + my $shownsymb = &Apache::lonenc::check_encrypt($env{'request.symb'}); + if ($shownsymb =~ m{^/enc/}) { + my $reqdmajor = 2; + my $reqdminor = 11; + my $reqdsubminor = 3; + my $newserverrev = &Apache::lonnet::get_server_loncaparev('',$newserver); + my $remoterev = &Apache::lonnet::get_server_loncaparev(undef,$newserver); + my ($major,$minor,$subminor) = ($remoterev =~ /^\'?(\d+)\.(\d+)\.(\d+|)[\w.\-]+\'?$/); + if (($major eq '' && $minor eq '') || + (($reqdmajor > $major) || (($reqdmajor == $major) && ($reqdminor > $minor)) || + (($reqdmajor == $major) && ($reqdminor == $minor) && (($subminor eq '') || + ($reqdsubminor > $subminor))))) { + undef($shownsymb); + } } - if ($env{'request.symb'}) { - $newurl .= '&symb='.$env{'request.symb'}; - } else { - $newurl .= '&origurl='.$requrl; + if ($shownsymb) { + &js_escape(\$shownsymb); + $newurl .= '&symb='.$shownsymb; } + } else { + my $shownurl = &Apache::lonenc::check_encrypt($requrl); + &js_escape(\$shownurl); + $newurl .= '&origurl='.$shownurl; } - &js_escape(\$msg); - $result.=< OFFLOAD - } } } } @@ -8808,7 +8964,7 @@ sub start_page { #&Apache::lonnet::logthis("start_page ".join(':',caller(0))); $env{'internal.start_page'}++; - my ($result,@advtools,$ltiscope,$ltiuri,%ltimenu); + my ($result,@advtools,$ltiscope,$ltiuri,%ltimenu,$menucoll,%menu); if (! exists($args->{'skip_phases'}{'head'}) ) { $result .= &xml_begin($args->{'frameset'}) . &headtag($title, $head_extra, $args); @@ -8843,8 +8999,47 @@ sub start_page { ($ltiscope,$ltiuri) = &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'}, $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); + } elsif ($env{'request.course.id'}) { + my $expiretime=600; + if ((time-$env{'course.'.$env{'request.course.id'}.'.last_cache'}) > $expiretime) { + &Apache::lonnet::coursedescription($env{'request.course.id'},{'freshen_cache' => 1}); + } + my ($deeplinkmenu,$menuref); + ($menucoll,$deeplinkmenu,$menuref) = &menucoll_in_effect(); + if ($menucoll) { + if (ref($menuref) eq 'HASH') { + %menu = %{$menuref}; + } + if ($menu{'top'} eq 'n') { + $args->{'no_primary_menu'} = 1; + } + if ($menu{'inline'} eq 'n') { + unless (&Apache::lonnet::allowed('opa')) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $crstype = &course_type(); + my $now = time; + my $ccrole; + if ($crstype eq 'Community') { + $ccrole = 'co'; + } else { + $ccrole = 'cc'; + } + if ($env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}) { + my ($start,$end) = split(/\./,$env{'user.role.'.$ccrole.'./'.$cdom.'/'.$cnum}); + if ((($start) && ($start<0)) || + (($end) && ($end<$now)) || + (($start) && ($now<$start))) { + $args->{'no_inline_menu'} = 1; + } + } else { + $args->{'no_inline_menu'} = 1; + } + } + } + } } - + if (! exists($args->{'skip_phases'}{'body'}) ) { if ($args->{'frameset'}) { my $attr_string = &make_attr_string($args->{'force_register'}, @@ -8857,7 +9052,7 @@ sub start_page { $args->{'only_body'}, $args->{'domain'}, $args->{'force_register'}, $args->{'no_nav_bar'}, $args->{'bgcolor'}, $args, - \@advtools,$ltiscope,$ltiuri,\%ltimenu); + \@advtools,$ltiscope,$ltiuri,\%ltimenu,$menucoll,\%menu); } } @@ -8943,6 +9138,28 @@ sub end_page { return $result; } +sub menucoll_in_effect { + my ($menucoll,$deeplinkmenu,%menu); + if ($env{'request.course.id'}) { + $menucoll = $env{'course.'.$env{'request.course.id'}.'.menudefault'}; + if (($env{'request.deeplink.login'}) && + ($env{'request.noversionuri'} =~ m{^/(res|uploaded)/})) { + my $deeplink = &Apache::lonnet::EXT('resource.0.deeplink'); + if ($deeplink ne '') { + my ($listed,$scope,$access,$display) = split(/,/,$deeplink); + if ($display =~ /^\d+$/) { + $deeplinkmenu = 1; + $menucoll = $display; + } + } + } + if ($menucoll) { + %menu = &page_menu($env{'course.'.$env{'request.course.id'}.'.menucollections'},$menucoll); + } + } + return ($menucoll,$deeplinkmenu,\%menu); +} + sub wishlist_window { return(<<'ENDWISHLIST');