--- loncom/interface/loncommon.pm 2016/10/22 19:10:11 1.1075.2.115 +++ loncom/interface/loncommon.pm 2023/07/09 17:36:51 1.1075.2.161.2.17 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.1075.2.115 2016/10/22 19:10:11 raeburn Exp $ +# $Id: loncommon.pm,v 1.1075.2.161.2.17 2023/07/09 17:36:51 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -61,7 +61,7 @@ use POSIX qw(strftime mktime); use Apache::lonmenu(); use Apache::lonenc(); use Apache::lonlocal; -use Apache::lonnet(); +use Apache::lonnavmaps(); use HTML::Entities; use Apache::lonhtmlcommon(); use Apache::loncoursedata(); @@ -71,6 +71,8 @@ use Apache::lonuserutils(); use Apache::lonuserstate(); use Apache::courseclassifier(); use LONCAPA qw(:DEFAULT :match); +use LONCAPA::map(); +use HTTP::Request; use DateTime::TimeZone; use DateTime::Locale; use Encode(); @@ -80,6 +82,10 @@ use JSON::DWIW; use LWP::UserAgent; use Crypt::DES; use DynaLoader; # for Crypt::DES version +use File::Copy(); +use File::Path(); +use String::CRC32(); +use Short::URL(); # ---------------------------------------------- Designs use vars qw(%defaultdesign); @@ -194,7 +200,7 @@ BEGIN { { my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/language.tab'; - if ( open(my $fh,"<$langtabfile") ) { + if ( open(my $fh,'<',$langtabfile) ) { while (my $line = <$fh>) { next if ($line=~/^\#/); chomp($line); @@ -215,7 +221,7 @@ BEGIN { { my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. '/copyright.tab'; - if ( open (my $fh,"<$copyrightfile") ) { + if ( open (my $fh,'<',$copyrightfile) ) { while (my $line = <$fh>) { next if ($line=~/^\#/); chomp($line); @@ -229,7 +235,7 @@ BEGIN { { my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. '/source_copyright.tab'; - if ( open (my $fh,"<$sourcecopyrightfile") ) { + if ( open (my $fh,'<',$sourcecopyrightfile) ) { while (my $line = <$fh>) { next if ($line =~ /^\#/); chomp($line); @@ -243,7 +249,7 @@ BEGIN { # -------------------------------------------------------------- default domain designs my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors'; my $designfile = $designdir.'/default.tab'; - if ( open (my $fh,"<$designfile") ) { + if ( open (my $fh,'<',$designfile) ) { while (my $line = <$fh>) { next if ($line =~ /^\#/); chomp($line); @@ -257,12 +263,12 @@ BEGIN { { my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/filecategories.tab'; - if ( open (my $fh,"<$categoryfile") ) { + if ( open (my $fh,'<',$categoryfile) ) { while (my $line = <$fh>) { next if ($line =~ /^\#/); chomp($line); my ($extension,$category)=(split(/\s+/,$line,2)); - push @{$category_extensions{lc($category)}},$extension; + push(@{$category_extensions{lc($category)}},$extension); } close($fh); } @@ -272,7 +278,7 @@ BEGIN { { my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/filetypes.tab'; - if ( open (my $fh,"<$typesfile") ) { + if ( open (my $fh,'<',$typesfile) ) { while (my $line = <$fh>) { next if ($line =~ /^\#/); chomp($line); @@ -425,7 +431,7 @@ sub studentbrowser_javascript { +ENDJS + } $endbodytag= - "
". + "$endbodyjs
". &mt('Continue').''. $endbodytag; } @@ -6054,6 +6769,11 @@ td.LC_menubuttons_text { background: $tabbg; } +td.LC_zero_height { + line-height: 0; + cellpadding: 0; +} + table.LC_data_table { border: 1px solid #000000; border-collapse: separate; @@ -6644,7 +7364,8 @@ table.LC_prior_tries td { padding: 6px; } -.LC_answer_unknown { +.LC_answer_unknown, +.LC_answer_warning { background: orange; color: black; padding: 6px; @@ -6726,6 +7447,7 @@ table.LC_data_table tr > td.LC_docs_entr color: #990000; } +.LC_domprefs_email, .LC_docs_reinit_warn, .LC_docs_ext_edit { font-size: x-small; @@ -7517,6 +8239,10 @@ a#LC_content_toolbar_edittoplevel { background-image:url(/res/adm/pages/edittoplevel.gif); } +a#LC_content_toolbar_printout { + background-image:url(/res/adm/pages/printout.gif); +} + ul#LC_toolbar li a:hover { background-position: bottom center; } @@ -7634,6 +8360,26 @@ ul.LC_funclist li { cursor:pointer; } +.LCisDisabled { + cursor: not-allowed; + opacity: 0.5; +} + +a[aria-disabled="true"] { + color: currentColor; + display: inline-block; /* For IE11/ MS Edge bug */ + pointer-events: none; + text-decoration: none; +} + +pre.LC_wordwrap { + white-space: pre-wrap; + white-space: -moz-pre-wrap; + white-space: -pre-wrap; + white-space: -o-pre-wrap; + word-wrap: break-word; +} + /* styles used by TTH when "Default set of options to pass to tth/m when converting TeX" in course settings has been set @@ -7655,6 +8401,39 @@ span.roman {font-family: serif; font-sty span.overacc2 {position: relative; left: .8em; top: -1.2ex;} span.overacc1 {position: relative; left: .6em; top: -1.2ex;} +#LC_minitab_header { + float:left; + width:100%; + background:#DAE0D2 url("/res/adm/pages/minitabmenu_bg.gif") repeat-x bottom; + font-size:93%; + line-height:normal; + margin: 0.5em 0 0.5em 0; +} +#LC_minitab_header ul { + margin:0; + padding:10px 10px 0; + list-style:none; +} +#LC_minitab_header li { + float:left; + background:url("/res/adm/pages/minitabmenu_left.gif") no-repeat left top; + margin:0; + padding:0 0 0 9px; +} +#LC_minitab_header a { + display:block; + background:url("/res/adm/pages/minitabmenu_right.gif") no-repeat right top; + padding:5px 15px 4px 6px; +} +#LC_minitab_header #LC_current_minitab { + background-image:url("/res/adm/pages/minitabmenu_left_on.gif"); +} +#LC_minitab_header #LC_current_minitab a { + background-image:url("/res/adm/pages/minitabmenu_right_on.gif"); + padding-bottom:5px; +} + + END } @@ -7675,7 +8454,13 @@ Inputs: $title - optional title for the 3- whether the side effect should occur (side effect of setting $env{'internal.head.redirect'} to the url - redirected too) + redirected to) + 4- whether the redirect target should be + the opener of the current (pop-up) + window (side effect of setting + $env{'internal.head.to_opener'} to + 1, if true. + 5- whether encrypt check should be skipped domain -> force to color decorate a page for a specific domain function -> force usage of a specific rolish color scheme @@ -7738,15 +8523,45 @@ sub headtag { } } if (ref($args->{'redirect'})) { - my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}}; - $url = &Apache::lonenc::check_encrypt($url); + my ($time,$url,$inhibit_continue,$to_opener,$skip_enc_check) = @{$args->{'redirect'}}; + if (!$skip_enc_check) { + $url = &Apache::lonenc::check_encrypt($url); + } if (!$inhibit_continue) { $env{'internal.head.redirect'} = $url; } - $result.=< +ADDMETA + if ($to_opener) { + $env{'internal.head.to_opener'} = 1; + my $dest = &js_escape($url); + my $timeout = int($time * 1000); + $result .=<<"ENDJS"; + +ENDJS + } else { + $result.=<<"ADDMETA"; ADDMETA + } } else { unless (($args->{'frameset'}) || ($args->{'js_ready'}) || ($args->{'only_body'}) || ($args->{'no_nav_bar'})) { my $requrl = $env{'request.uri'}; @@ -7760,43 +8575,99 @@ 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 - } } } } @@ -7847,6 +8717,7 @@ OFFLOAD '; } + $result .= ''."\n"; return $result.''; } @@ -7915,7 +8786,8 @@ sub print_suppression { } my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; - my $blocked = &blocking_status('printout',$cnum,$cdom,undef,1); + my $clientip = &Apache::lonnet::get_requestor_ip(); + my $blocked = &blocking_status('printout',$clientip,$cnum,$cdom,undef,1); if ($blocked) { my $checkrole = "cm./$cdom/$cnum"; if ($env{'request.course.sec'} ne '') { @@ -8028,8 +8900,18 @@ $args - additional optional args support no_auto_mt_title -> prevent &mt()ing the title arg bread_crumbs -> Array containing breadcrumbs bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs + bread_crumbs_nomenu -> if true will pass false as the value of $menulink + to lonhtmlcommon::breadcrumbs group -> includes the current group, if page is for a specific group + use_absolute -> for request for external resource or syllabus, this + will contain https:// if server uses + https (as per hosts.tab), but request is for http + hostname -> hostname, originally from $r->hostname(), (optional). + links_disabled -> Links in primary and secondary menus are disabled + (Can enable them once page has loaded - see lonroles.pm + for an example). + links_target -> Target for links, e.g., _parent (optional). =back @@ -8042,12 +8924,83 @@ sub start_page { #&Apache::lonnet::logthis("start_page ".join(':',caller(0))); $env{'internal.start_page'}++; - my ($result,@advtools); + my ($result,@advtools,$ltiscope,$ltiuri,%ltimenu,$menucoll,%menu); if (! exists($args->{'skip_phases'}{'head'}) ) { $result .= &xml_begin($args->{'frameset'}) . &headtag($title, $head_extra, $args); } - + + if (($env{'request.course.id'}) && ($env{'request.lti.login'})) { + if ($env{'course.'.$env{'request.course.id'}.'.lti.override'}) { + unless ($env{'course.'.$env{'request.course.id'}.'.lti.topmenu'}) { + $args->{'no_primary_menu'} = 1; + } + unless ($env{'course.'.$env{'request.course.id'}.'.lti.inlinemenu'}) { + $args->{'no_inline_menu'} = 1; + } + if ($env{'course.'.$env{'request.course.id'}.'.lti.lcmenu'}) { + map { $ltimenu{$_} = 1; } split(/,/,$env{'course.'.$env{'request.course.id'}.'.lti.lcmenu'}); + } + } else { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider'); + if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') { + unless ($lti{$env{'request.lti.login'}}{'topmenu'}) { + $args->{'no_primary_menu'} = 1; + } + unless ($lti{$env{'request.lti.login'}}{'inlinemenu'}) { + $args->{'no_inline_menu'} = 1; + } + if (ref($lti{$env{'request.lti.login'}}{'lcmenu'}) eq 'ARRAY') { + map { $ltimenu{$_} = 1; } @{$lti{$env{'request.lti.login'}}{'lcmenu'}}; + } + } + } + ($ltiscope,$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; + } + } + } + } + } + + my $showncrumbs; if (! exists($args->{'skip_phases'}{'body'}) ) { if ($args->{'frameset'}) { my $attr_string = &make_attr_string($args->{'force_register'}, @@ -8060,7 +9013,8 @@ sub start_page { $args->{'only_body'}, $args->{'domain'}, $args->{'force_register'}, $args->{'no_nav_bar'}, $args->{'bgcolor'}, $args->{'no_inline_link'}, - $args, \@advtools); + $args, \@advtools, + $ltiscope,$ltiuri,\%ltimenu,$menucoll,\%menu,\$showncrumbs); } } @@ -8082,6 +9036,7 @@ sub start_page { #Breadcrumbs if (exists($args->{'bread_crumbs'}) or exists($args->{'bread_crumbs_component'})) { + unless ($showncrumbs) { &Apache::lonhtmlcommon::clear_breadcrumbs(); #if any br links exists, add them to the breadcrumbs if (exists($args->{'bread_crumbs'}) and ref($args->{'bread_crumbs'}) eq 'ARRAY') { @@ -8093,13 +9048,28 @@ sub start_page { if (@advtools > 0) { &Apache::lonmenu::advtools_crumbs(@advtools); } - + my $menulink; + # if arg: bread_crumbs_nomenu is true pass 0 as $menulink item. + if ((exists($args->{'bread_crumbs_nomenu'})) || + ($ltiscope eq 'map') || ($ltiscope eq 'resource')) { + $menulink = 0; + } else { + undef($menulink); + } + my $linkprotout; + if ($env{'request.deeplink.login'}) { + my $linkprotout = &Apache::lonmenu::linkprot_exit(); + if ($linkprotout) { + &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$linkprotout); + } + } #if bread_crumbs_component exists show it as headline else show only the breadcrumbs if(exists($args->{'bread_crumbs_component'})){ - $result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'}); - }else{ - $result .= &Apache::lonhtmlcommon::breadcrumbs(); + $result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'},'',$menulink); + } else { + $result .= &Apache::lonhtmlcommon::breadcrumbs('','',$menulink); } + } } elsif (($env{'environment.remote'} eq 'on') && ($env{'form.inhibitmenu'} ne 'yes') && ($env{'request.noversionuri'} =~ m{^/res/}) && @@ -8141,6 +9111,147 @@ 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 ($env{'request.deeplink.login'}) { + my ($deeplink_symb,$deeplink,$check_login_symb); + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + if ($env{'request.noversionuri'} =~ m{^/(res|uploaded)/}) { + if ($env{'request.noversionuri'} =~ /\.(page|sequence)$/) { + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + $deeplink = $navmap->get_mapparam(undef, + &Apache::lonnet::declutter($env{'request.noversionuri'}), + '0.deeplink'); + } else { + $check_login_symb = 1; + } + } else { + my $symb=&Apache::lonnet::symbread(); + if ($symb) { + $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$symb); + } else { + $check_login_symb = 1; + } + } + } else { + $check_login_symb = 1; + } + if ($check_login_symb) { + $deeplink_symb = &deeplink_login_symb($cnum,$cdom); + if ($deeplink_symb =~ /\.(page|sequence)$/) { + my $mapname = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]); + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + $deeplink = $navmap->get_mapparam(undef,$mapname,'0.deeplink'); + } + } else { + $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb); + } + } + if ($deeplink ne '') { + my ($state,$others,$listed,$scope,$protect,$display,$target) = split(/,/,$deeplink); + if ($display =~ /^\d+$/) { + $deeplinkmenu = 1; + $menucoll = $display; + } + } + } + if ($menucoll) { + %menu = &page_menu($env{'course.'.$env{'request.course.id'}.'.menucollections'},$menucoll); + } + } + return ($menucoll,$deeplinkmenu,\%menu); +} + +sub deeplink_login_symb { + my ($cnum,$cdom) = @_; + my $login_symb; + if ($env{'request.deeplink.login'}) { + $login_symb = &symb_from_tinyurl($env{'request.deeplink.login'},$cnum,$cdom); + } + return $login_symb; +} + +sub symb_from_tinyurl { + my ($url,$cnum,$cdom) = @_; + if ($url =~ m{^\Q/tiny/$cdom/\E(\w+)$}) { + my $key = $1; + my ($tinyurl,$login); + my ($result,$cached)=&Apache::lonnet::is_cached_new('tiny',$cdom."\0".$key); + if (defined($cached)) { + $tinyurl = $result; + } else { + my $configuname = &Apache::lonnet::get_domainconfiguser($cdom); + my %currtiny = &Apache::lonnet::get('tiny',[$key],$cdom,$configuname); + if ($currtiny{$key} ne '') { + $tinyurl = $currtiny{$key}; + &Apache::lonnet::do_cache_new('tiny',$cdom."\0".$key,$currtiny{$key},600); + } + } + if ($tinyurl ne '') { + my ($cnumreq,$symb) = split(/\&/,$tinyurl); + if (wantarray) { + return ($cnumreq,$symb); + } elsif ($cnumreq eq $cnum) { + return $symb; + } + } + } + if (wantarray) { + return (); + } else { + return; + } +} + +sub usable_exttools { + my %tooltypes; + if ($env{'request.course.id'}) { + if ($env{'course.'.$env{'request.course.id'}.'.internal.exttool'}) { + if ($env{'course.'.$env{'request.course.id'}.'.internal.exttool'} eq 'both') { + %tooltypes = ( + crs => 1, + dom => 1, + ); + } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.exttool'} eq 'crs') { + $tooltypes{'crs'} = 1; + } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.exttool'} eq 'dom') { + $tooltypes{'dom'} = 1; + } + } else { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $crstype = lc($env{'course.'.$env{'request.course.id'}.'.type'}); + if ($crstype eq '') { + $crstype = 'course'; + } + if ($crstype eq 'course') { + if ($env{'course.'.$env{'request.course.id'}.'internal.coursecode'}) { + $crstype = 'official'; + } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) { + $crstype = 'textbook'; + } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.lti'}) { + $crstype = 'lti'; + } else { + $crstype = 'unofficial'; + } + } + my %domdefaults = &Apache::lonnet::get_domain_defaults($cdom); + if ($domdefaults{$crstype.'domexttool'}) { + $tooltypes{'dom'} = 1; + } + if ($domdefaults{$crstype.'exttool'}) { + $tooltypes{'crs'} = 1; + } + } + } + return %tooltypes; +} + sub wishlist_window { return(<<'ENDWISHLIST'); @@ -8249,7 +9368,7 @@ ENDADHOC } sub modal_adhoc_inner { - my ($funcname,$width,$height,$content)=@_; + my ($funcname,$width,$height,$content,$possmathjax)=@_; my $innerwidth=$width-20; $content=&js_ready( &start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}). @@ -8258,12 +9377,12 @@ sub modal_adhoc_inner { &end_scrollbox(). &end_page() ); - return &modal_adhoc_script($funcname,$width,$height,$content); + return &modal_adhoc_script($funcname,$width,$height,$content,$possmathjax); } sub modal_adhoc_window { - my ($funcname,$width,$height,$content,$linktext)=@_; - return &modal_adhoc_inner($funcname,$width,$height,$content). + my ($funcname,$width,$height,$content,$linktext,$possmathjax)=@_; + return &modal_adhoc_inner($funcname,$width,$height,$content,$possmathjax). "".$linktext.""; } @@ -8329,8 +9448,9 @@ sub end_togglebox { } sub LCprogressbar_script { - my ($id)=@_; - return(< // ENDPROGRESS + } else { + return(< +// + +ENDPROGRESS + } } sub LCprogressbarUpdate_script { return(< .ui-progressbar { position:relative; } +.progress-label {position: absolute; width: 100%; text-align: center; top: 1px; font-weight: bold; text-shadow: 1px 1px 0 #fff;margin: 0; line-height: 200%; } .pblabel { position: absolute; width: 100%; text-align: center; line-height: 1.9em; } @@ -8369,37 +9511,54 @@ my $LCidcnt; my $LCcurrentid; sub LCprogressbar { - my ($r)=(@_); + my ($r,$number_to_do,$preamble)=@_; $LClastpercent=0; $LCidcnt++; $LCcurrentid=$$.'_'.$LCidcnt; - my $starting=&mt('Starting'); - my $content=(< $starting ENDPROGBAR - &r_print($r,$content.&LCprogressbar_script($LCcurrentid)); + } else { + $starting=&mt('Loading...'); + $LClastpercent='false'; + $content=(< +
$starting
+ +ENDPROGBAR + } + &r_print($r,$content.&LCprogressbar_script($LCcurrentid,$number_to_do)); } sub LCprogressbarUpdate { - my ($r,$val,$text)=@_; - unless ($val) { - if ($LClastpercent) { - $val=$LClastpercent; - } else { - $val=0; - } + my ($r,$val,$text,$number_to_do)=@_; + if ($number_to_do) { + unless ($val) { + if ($LClastpercent) { + $val=$LClastpercent; + } else { + $val=0; + } + } + if ($val<0) { $val=0; } + if ($val>100) { $val=0; } + $LClastpercent=$val; + unless ($text) { $text=$val.'%'; } + } else { + $val = 'false'; } - if ($val<0) { $val=0; } - if ($val>100) { $val=0; } - $LClastpercent=$val; - unless ($text) { $text=$val.'%'; } $text=&js_ready($text); &r_print($r,< // ENDUPDATE @@ -8584,14 +9743,21 @@ function expand_div(caller) { sub simple_error_page { my ($r,$title,$msg,$args) = @_; + my %displayargs; if (ref($args) eq 'HASH') { if (!$args->{'no_auto_mt_msg'}) { $msg = &mt($msg); } + if ($args->{'only_body'}) { + $displayargs{'only_body'} = 1; + } + if ($args->{'no_nav_bar'}) { + $displayargs{'no_nav_bar'} = 1; + } } else { $msg = &mt($msg); } my $page = - &Apache::loncommon::start_page($title). + &Apache::loncommon::start_page($title,'',\%displayargs). '

'.$msg.'

'. &Apache::loncommon::end_page(); if (ref($r)) { @@ -9516,7 +10682,7 @@ sub get_secgrprole_info { } sub user_picker { - my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context,$fixeddom) = @_; + my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context,$fixeddom,$noinstd) = @_; my $currdom = $dom; my @alldoms = &Apache::lonnet::all_domains(); if (@alldoms == 1) { @@ -9581,10 +10747,12 @@ sub user_picker { &html_escape(\%html_lt); &js_escape(\%js_lt); my $domform; + my $allow_blank = 1; if ($fixeddom) { - $domform = &select_dom_form($currdom,'srchdomain',1,1,undef,[$currdom]); + $allow_blank = 0; + $domform = &select_dom_form($currdom,'srchdomain',$allow_blank,1,undef,[$currdom]); } else { - $domform = &select_dom_form($currdom,'srchdomain',1,1); + $domform = &select_dom_form($currdom,'srchdomain',$allow_blank,1); } my $srchinsel = ' '.$parent_title.''. + $item.'"'.$checked.$disabled.' />'.$parent_title.''. ''; my $depth = 1; push(@path,$parent); - $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories); + $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories,$disabled); pop(@path); $table .= ''; $itemcount ++; @@ -14287,12 +15731,15 @@ path - Array containing all categories b currcategories - reference to array of current categories assigned to the course +disabled - scalar (optional) contains disabled="disabled" if input elements are + to be readonly (e.g., Domain Helpdesk role viewing course settings). + Returns: $output (markup to be displayed). =cut sub assign_category_rows { - my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_; + my ($itemcount,$cats,$depth,$parent,$path,$currcategories,$disabled) = @_; my ($text,$name,$item,$chgstr); if (ref($cats) eq 'ARRAY') { my $maxdepth = scalar(@{$cats}); @@ -14315,12 +15762,12 @@ sub assign_category_rows { } $text .= ''. + $item.'"'.$checked.$disabled.' />'.$name.''. ''. ''; if (ref($path) eq 'ARRAY') { push(@{$path},$name); - $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories); + $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories,$disabled); pop(@{$path}); } $text .= ''; @@ -14419,7 +15866,7 @@ sub commit_studentrole { } $oldsecurl = $uurl; $expire_role_result = - &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context); + &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','','',$context); if ($env{'request.course.sec'} ne '') { if ($expire_role_result eq 'refused') { my @roles = ('st'); @@ -14531,7 +15978,8 @@ sub check_clone { my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'}; my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid); my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom); - my $clonemsg; + my $clonetitle; + my @clonemsg; my $can_clone = 0; my $lctype = lc($args->{'crstype'}); if ($lctype ne 'community') { @@ -14539,19 +15987,41 @@ sub check_clone { } if ($clonehome eq 'no_host') { if ($args->{'crstype'} eq 'Community') { - $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'}); + push(@clonemsg,({ + mt => 'No new community created.', + args => [], + }, + { + mt => 'A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.', + args => [$args->{'clonedomain'}.':'.$args->{'clonedomain'}], + })); } else { - $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'}); - } + push(@clonemsg,({ + mt => 'No new course created.', + args => [], + }, + { + mt => 'A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.', + args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}], + })); + } } else { my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1}); + $clonetitle = $clonedesc{'description'}; if ($args->{'crstype'} eq 'Community') { if ($clonedesc{'type'} ne 'Community') { - $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'}); - return ($can_clone, $clonemsg, $cloneid, $clonehome); + push(@clonemsg,({ + mt => 'No new community created.', + args => [], + }, + { + mt => 'A new community could not be cloned from the specified original - [_1] - because it is a course not a community.', + args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}], + })); + return ($can_clone,\@clonemsg,$cloneid,$clonehome); } } - if (($env{'request.role.domain'} eq $args->{'clonedomain'}) && + if (($env{'request.role.domain'} eq $args->{'clonedomain'}) && (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) { $can_clone = 1; } else { @@ -14637,19 +16107,34 @@ sub check_clone { } unless ($can_clone) { if ($args->{'crstype'} eq 'Community') { - $clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}); + push(@clonemsg,({ + mt => 'No new community created.', + args => [], + }, + { + mt => 'The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).', + args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}], + })); } else { - $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}); + push(@clonemsg,({ + mt => 'No new course created.', + args => [], + }, + { + mt => 'The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).', + args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}], + })); } } } } - return ($can_clone, $clonemsg, $cloneid, $clonehome); + return ($can_clone,\@clonemsg,$cloneid,$clonehome,$clonetitle); } sub construct_course { - my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category,$coderef) = @_; - my $outcome; + my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context, + $cnum,$category,$coderef,$callercontext,$user_lh) = @_; + my ($outcome,$msgref,$clonemsgref); my $linefeed = '
'."\n"; if ($context eq 'auto') { $linefeed = "\n"; @@ -14658,18 +16143,11 @@ sub construct_course { # # Are we cloning? # - my ($can_clone, $clonemsg, $cloneid, $clonehome); + my ($can_clone,$cloneid,$clonehome,$clonetitle); if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) { - ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed); - if ($context ne 'auto') { - if ($clonemsg ne '') { - $clonemsg = ''.$clonemsg.''; - } - } - $outcome .= $clonemsg.$linefeed; - + ($can_clone,$clonemsgref,$cloneid,$clonehome,$clonetitle) = &check_clone($args,$linefeed); if (!$can_clone) { - return (0,$outcome); + return (0,$outcome,$clonemsgref); } } @@ -14687,15 +16165,20 @@ sub construct_course { $args->{'ccuname'}.':'. $args->{'ccdomain'}, $args->{'crstype'}, - $cnum,$context,$category); + $cnum,$context,$category, + $callercontext); # Note: The testing routines depend on this being output; see # Utils::Course. This needs to at least be output as a comment # if anyone ever decides to not show this, and Utils::Course::new # will need to be suitably modified. - $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed; + if (($callercontext eq 'auto') && ($user_lh ne '')) { + $outcome .= &mt_user($user_lh,'New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed; + } else { + $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed; + } if ($$courseid =~ /^error:/) { - return (0,$outcome); + return (0,$outcome,$clonemsgref); } # @@ -14704,23 +16187,37 @@ sub construct_course { ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid); my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom); if ($crsuhome eq 'no_host') { - $outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed; - return (0,$outcome); + if (($callercontext eq 'auto') && ($user_lh ne '')) { + $outcome .= &mt_user($user_lh, + 'Course creation failed, unrecognized course home server.'); + } else { + $outcome .= &mt('Course creation failed, unrecognized course home server.'); + } + $outcome .= $linefeed; + return (0,$outcome,$clonemsgref); } $outcome .= &mt('Created on').': '.$crsuhome.$linefeed; # # Do the cloning -# +# + my @clonemsg; if ($can_clone && $cloneid) { - $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome); - if ($context ne 'auto') { - $clonemsg = ''.$clonemsg.''; - } - $outcome .= $clonemsg.$linefeed; + push(@clonemsg, + { + mt => 'Created [_1] by cloning from [_2]', + args => [$crstype,$clonetitle], + }); my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum); # Copy all files - &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'}); + my @info = + &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'}, + $args->{'dateshift'},$args->{'crscode'}, + $args->{'ccuname'}.':'.$args->{'ccdomain'}, + $args->{'tinyurls'}); + if (@info) { + push(@clonemsg,@info); + } # Restore URL $cenv{'url'}=$oldcenv{'url'}; # Restore title @@ -14745,8 +16242,7 @@ sub construct_course { 'plc.users.denied', 'hidefromcat', 'checkforpriv', - 'categories', - 'internal.uniquecode'], + 'categories'], $$crsudom,$$crsunum); if ($args->{'textbook'}) { $cenv{'internal.textbook'} = $args->{'textbook'}; @@ -14761,6 +16257,9 @@ sub construct_course { if ($args->{'crstype'}) { $cenv{'type'}=$args->{'crstype'}; } + if ($args->{'lti'}) { + $cenv{'internal.lti'}=$args->{'lti'}; + } if ($args->{'crsid'}) { $cenv{'courseid'}=$args->{'crsid'}; } @@ -14796,7 +16295,7 @@ sub construct_course { my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'}); $cenv{'internal.sectionnums'} .= $item.','; unless ($addcheck eq 'ok') { - push @badclasses, $class; + push(@badclasses,$class); } } $cenv{'internal.sectionnums'} =~ s/,$//; @@ -14824,7 +16323,7 @@ sub construct_course { my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'}); $cenv{'internal.crosslistings'} .= $item.','; unless ($addcheck eq 'ok') { - push @badclasses, $xl; + push(@badclasses,$xl); } } $cenv{'internal.crosslistings'} =~ s/,$//; @@ -14859,28 +16358,29 @@ sub construct_course { } if (@badclasses > 0) { my %lt=&Apache::lonlocal::texthash( - 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course', - 'dnhr' => 'does not have rights to access enrollment in these classes', - 'adby' => 'as determined by the policies of your institution on access to official classlists' + 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course.', + 'howi' => 'However, if automated course roster updates are enabled for this class, these particular sections/crosslistings are not guaranteed to contribute towards enrollment.', + 'itis' => 'It is possible that rights to access enrollment for these classes will be available through assignment of co-owners.', ); - my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}. - ' ('.$lt{'adby'}.')'; + my $badclass_msg = $lt{'tclb'}.$linefeed.$lt{'howi'}.$linefeed. + &mt('That is because the user identified as the course owner ([_1]) does not have rights to access enrollment in these classes, as determined by the policies of your institution on access to official classlists',$cenv{'internal.courseowner'}).$linefeed.$lt{'itis'}; if ($context eq 'auto') { $outcome .= $badclass_msg.$linefeed; + } else { $outcome .= '
'.$badclass_msg.$linefeed.'
    '."\n"; - foreach my $item (@badclasses) { - if ($context eq 'auto') { - $outcome .= " - $item\n"; - } else { - $outcome .= "
  • $item
    • \n"; - } - } + } + foreach my $item (@badclasses) { if ($context eq 'auto') { - $outcome .= $linefeed; + $outcome .= " - $item\n"; } else { - $outcome .= "


\n"; + $outcome .= "
  • $item
    • \n"; } - } + } + if ($context eq 'auto') { + $outcome .= $linefeed; + } else { + $outcome .= "

    \n"; + } } if ($args->{'no_end_date'}) { $args->{'endaccess'} = 0; @@ -14986,19 +16486,23 @@ sub construct_course { # Open all assignments # if ($args->{'openall'}) { + my $opendate = time; + if ($args->{'openallfrom'} =~ /^\d+$/) { + $opendate = $args->{'openallfrom'}; + } my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate'; - my %storecontent = ($storeunder => time, + my %storecontent = ($storeunder => $opendate, $storeunder.'.type' => 'date_start'); - - $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput - ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed; + $outcome .= &mt('All assignments open starting [_1]', + &Apache::lonlocal::locallocaltime($opendate)).': '. + &Apache::lonnet::cput + ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed; } # # Set first page # unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank') || ($cloneid)) { - use LONCAPA::map; $outcome .= &mt('Setting first resource').': '; my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence'; @@ -15021,7 +16525,7 @@ sub construct_course { $outcome .= ($fatal?$errtext:'write ok').$linefeed; } - return (1,$outcome); + return (1,$outcome,\@clonemsg); } sub make_unique_code { @@ -15105,12 +16609,13 @@ sub group_term { } sub course_types { - my @types = ('official','unofficial','community','textbook'); + my @types = ('official','unofficial','community','textbook','lti'); my %typename = ( official => 'Official course', unofficial => 'Unofficial course', community => 'Community', textbook => 'Textbook course', + lti => 'LTI provider', ); return (\@types,\%typename); } @@ -15190,6 +16695,24 @@ sub compare_arrays { return @difference; } +sub lon_status_items { + my %defaults = ( + E => 100, + W => 4, + N => 1, + U => 5, + threshold => 200, + sysmail => 2500, + ); + my %names = ( + E => 'Errors', + W => 'Warnings', + N => 'Notices', + U => 'Unsent', + ); + return (\%defaults,\%names); +} + # -------------------------------------------------------- Initialize user login sub init_user_environment { my ($r, $username, $domain, $authhost, $form, $args) = @_; @@ -15225,7 +16748,23 @@ sub init_user_environment { opendir(DIR,$lonids); while ($filename=readdir(DIR)) { if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) { - unlink($lonids.'/'.$filename); + if (tie(my %oldenv,'GDBM_File',"$lonids/$filename", + &GDBM_READER(),0640)) { + my $linkedfile; + if (exists($oldenv{'user.linkedenv'})) { + $linkedfile = $oldenv{'user.linkedenv'}; + } + untie(%oldenv); + if (unlink("$lonids/$filename")) { + if ($linkedfile =~ /^[a-f0-9]+_linked$/) { + if (-l "$lonids/$linkedfile.id") { + unlink("$lonids/$linkedfile.id"); + } + } + } + } else { + unlink($lonids.'/'.$filename); + } } } closedir(DIR); @@ -15276,6 +16815,7 @@ sub init_user_environment { # --------------------------------------------------------- Write first profile { + my $ip = &Apache::lonnet::get_requestor_ip(); my %initial_env = ("user.name" => $username, "user.domain" => $domain, @@ -15294,7 +16834,7 @@ sub init_user_environment { "request.course.sec" => '', "request.role" => 'cm', "request.role.adv" => $env{'user.adv'}, - "request.host" => $ENV{'REMOTE_ADDR'},); + "request.host" => $ip,); if ($form->{'localpath'}) { $initial_env{"browser.localpath"} = $form->{'localpath'}; @@ -15313,36 +16853,44 @@ sub init_user_environment { $env{'user.noloadbalance'} = $lonhost; } - my %is_adv = ( is_adv => $env{'user.adv'} ); - my %domdef; - unless ($domain eq 'public') { - %domdef = &Apache::lonnet::get_domain_defaults($domain); + if ($form->{'noloadbalance'}) { + my @hosts = &Apache::lonnet::current_machine_ids(); + my $hosthere = $form->{'noloadbalance'}; + if (grep(/^\Q$hosthere\E$/,@hosts)) { + $initial_env{"user.noloadbalance"} = $hosthere; + $env{'user.noloadbalance'} = $hosthere; + } } - foreach my $tool ('aboutme','blog','webdav','portfolio') { - $userenv{'availabletools.'.$tool} = - &Apache::lonnet::usertools_access($username,$domain,$tool,'reload', - undef,\%userenv,\%domdef,\%is_adv); - } + unless ($domain eq 'public') { + my %is_adv = ( is_adv => $env{'user.adv'} ); + my %domdef = &Apache::lonnet::get_domain_defaults($domain); - foreach my $crstype ('official','unofficial','community','textbook') { - $userenv{'canrequest.'.$crstype} = - &Apache::lonnet::usertools_access($username,$domain,$crstype, - 'reload','requestcourses', - \%userenv,\%domdef,\%is_adv); - } + foreach my $tool ('aboutme','blog','webdav','portfolio','timezone') { + $userenv{'availabletools.'.$tool} = + &Apache::lonnet::usertools_access($username,$domain,$tool,'reload', + undef,\%userenv,\%domdef,\%is_adv); + } + + foreach my $crstype ('official','unofficial','community','textbook','lti') { + $userenv{'canrequest.'.$crstype} = + &Apache::lonnet::usertools_access($username,$domain,$crstype, + 'reload','requestcourses', + \%userenv,\%domdef,\%is_adv); + } - $userenv{'canrequest.author'} = - &Apache::lonnet::usertools_access($username,$domain,'requestauthor', - 'reload','requestauthor', - \%userenv,\%domdef,\%is_adv); - my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'], - $domain,$username); - my $reqstatus = $reqauthor{'author_status'}; - if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { - if (ref($reqauthor{'author'}) eq 'HASH') { - $userenv{'requestauthorqueued'} = $reqstatus.':'. - $reqauthor{'author'}{'timestamp'}; + $userenv{'canrequest.author'} = + &Apache::lonnet::usertools_access($username,$domain,'requestauthor', + 'reload','requestauthor', + \%userenv,\%domdef,\%is_adv); + my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'], + $domain,$username); + my $reqstatus = $reqauthor{'author_status'}; + if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { + if (ref($reqauthor{'author'}) eq 'HASH') { + $userenv{'requestauthorqueued'} = $reqstatus.':'. + $reqauthor{'author'}{'timestamp'}; + } } } @@ -15950,7 +17498,7 @@ sub search_courses { if (ref($courses{$cid}) eq 'HASH') { if (ref($courses{$cid}{roles}) eq 'ARRAY') { if (!grep(/^\Q$courserole\E$/,@{$courses{$cid}{roles}})) { - push (@{$courses{$cid}{roles}},$courserole); + push(@{$courses{$cid}{roles}},$courserole); } } else { $courses{$cid}{roles} = [$courserole]; @@ -16146,24 +17694,52 @@ sub needs_coursereinit { $interval = 600; } if (($now-$env{'request.course.timechecked'})>$interval) { - my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum); &Apache::lonnet::appenv({'request.course.timechecked'=>$now}); - if ($lastchange > $env{'request.course.tied'}) { - my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired'); - if ($curr_reqd_hash{'internal.releaserequired'} ne '') { - my $required = $env{'course.'.$cdom.'_'.$cnum.'.internal.releaserequired'}; - if ($curr_reqd_hash{'internal.releaserequired'} ne $required) { - &Apache::lonnet::appenv({'course.'.$cdom.'_'.$cnum.'.internal.releaserequired' => - $curr_reqd_hash{'internal.releaserequired'}}); - my ($switchserver,$switchwarning) = - &check_release_required($loncaparev,$cdom.'_'.$cnum,$env{'request.role'}, - $curr_reqd_hash{'internal.releaserequired'}); - if ($switchwarning ne '' || $switchserver ne '') { - return ('switch',$switchwarning,$switchserver); - } + my $blocked = &blocking_status('reinit',undef,$cnum,$cdom,undef,1); + if ($blocked) { + return (); + } + my $update; + my $lastmainchange = &Apache::lonnet::get_coursechange($cdom,$cnum); + my $lastsuppchange = &Apache::lonnet::get_suppchange($cdom,$cnum); + if ($lastmainchange > $env{'request.course.tied'}) { + my ($needswitch,$switchwarning,$switchserver) = &switch_for_update($loncaparev,$cdom,$cnum); + if ($needswitch) { + return ('switch',$switchwarning,$switchserver); + } + $update = 'main'; + } + if ($lastsuppchange > $env{'request.course.suppupdated'}) { + if ($update) { + $update = 'both'; + } else { + my ($needswitch,$switchwarning,$switchserver) = &switch_for_update($loncaparev,$cdom,$cnum); + if ($needswitch) { + return ('switch',$switchwarning,$switchserver); + } else { + $update = 'supp'; } } - return ('update'); + return ($update); + } + } + return (); +} + +sub switch_for_update { + my ($loncaparev,$cdom,$cnum) = @_; + my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired'); + if ($curr_reqd_hash{'internal.releaserequired'} ne '') { + my $required = $env{'course.'.$cdom.'_'.$cnum.'.internal.releaserequired'}; + if ($curr_reqd_hash{'internal.releaserequired'} ne $required) { + &Apache::lonnet::appenv({'course.'.$cdom.'_'.$cnum.'.internal.releaserequired' => + $curr_reqd_hash{'internal.releaserequired'}}); + my ($switchserver,$switchwarning) = + &check_release_required($loncaparev,$cdom.'_'.$cnum,$env{'request.role'}, + $curr_reqd_hash{'internal.releaserequired'}); + if ($switchwarning ne '' || $switchserver ne '') { + return ('switch',$switchwarning,$switchserver); + } } } return (); @@ -16246,8 +17822,10 @@ sub parse_supplemental_title { my $name = &plainname($uname,$udom); $name = &HTML::Entities::encode($name,'"<>&\''); $renametitle = &HTML::Entities::encode($renametitle,'"<>&\''); - $title=''.&Apache::lonlocal::locallocaltime($time).' '. - $name.':
    '.$foldertitle; + $title=''.&Apache::lonlocal::locallocaltime($time).' '.$name; + if ($foldertitle ne '') { + $title .= ':
    '.$foldertitle; + } } if (wantarray) { return ($title,$foldertitle,$renametitle); @@ -16255,33 +17833,152 @@ sub parse_supplemental_title { return $title; } +sub get_supplemental { + my ($cnum,$cdom,$ignorecache,$possdel)=@_; + my $hashid=$cnum.':'.$cdom; + my ($supplemental,$cached,$set_httprefs); + unless ($ignorecache) { + ($supplemental,$cached) = &Apache::lonnet::is_cached_new('supplemental',$hashid); + } + unless (defined($cached)) { + my $chome=&Apache::lonnet::homeserver($cnum,$cdom); + unless ($chome eq 'no_host') { + my @order = @LONCAPA::map::order; + my @resources = @LONCAPA::map::resources; + my @resparms = @LONCAPA::map::resparms; + my @zombies = @LONCAPA::map::zombies; + my ($errors,%ids,%hidden); + $errors = + &recurse_supplemental($cnum,$cdom,'supplemental.sequence', + $errors,$possdel,\%ids,\%hidden); + @LONCAPA::map::order = @order; + @LONCAPA::map::resources = @resources; + @LONCAPA::map::resparms = @resparms; + @LONCAPA::map::zombies = @zombies; + $set_httprefs = 1; + if ($env{'request.course.id'} eq $cdom.'_'.$cnum) { + &Apache::lonnet::appenv({'request.course.suppupdated' => time}); + } + $supplemental = { + ids => \%ids, + hidden => \%hidden, + }; + &Apache::lonnet::do_cache_new('supplemental',$hashid,$supplemental,600); + } + } + return ($supplemental,$set_httprefs); +} + sub recurse_supplemental { - my ($cnum,$cdom,$suppmap,$numfiles,$errors) = @_; - if ($suppmap) { + my ($cnum,$cdom,$suppmap,$errors,$possdel,$suppids,$hiddensupp,$hidden) = @_; + if (($suppmap) && (ref($suppids) eq 'HASH') && (ref($hiddensupp) eq 'HASH')) { + my $mapnum; + if ($suppmap eq 'supplemental.sequence') { + $mapnum = 0; + } else { + ($mapnum) = ($suppmap =~ /^supplemental_(\d+)\.sequence$/); + } my ($errtext,$fatal) = &LONCAPA::map::mapread('/uploaded/'.$cdom.'/'.$cnum.'/'.$suppmap); if ($fatal) { $errors ++; } else { - if ($#LONCAPA::map::resources > 0) { - foreach my $res (@LONCAPA::map::resources) { - my ($title,$src,$ext,$type,$status)=split(/\:/,$res); + my @order = @LONCAPA::map::order; + if (@order > 0) { + my @resources = @LONCAPA::map::resources; + my @resparms = @LONCAPA::map::resparms; + foreach my $idx (@order) { + my ($title,$src,$ext,$type,$status)=split(/\:/,$resources[$idx]); if (($src ne '') && ($status eq 'res')) { + my $id = $mapnum.':'.$idx; + push(@{$suppids->{$src}},$id); + if (($hidden) || (&get_supp_parameter($resparms[$idx],'parameter_hiddenresource') =~ /^yes/i)) { + $hiddensupp->{$id} = 1; + } if ($src =~ m{^\Q/uploaded/$cdom/$cnum/\E(supplemental_\d+\.sequence)$}) { - ($numfiles,$errors) = &recurse_supplemental($cnum,$cdom,$1,$numfiles,$errors); + $errors = &recurse_supplemental($cnum,$cdom,$1,$errors,$possdel,$suppids, + $hiddensupp,$hiddensupp->{$id}); } else { - $numfiles ++; + my $allowed; + if (($env{'request.role.adv'}) || (!$hiddensupp->{$id})) { + $allowed = 1; + } elsif ($possdel) { + foreach my $item (@{$suppids->{$src}}) { + next if ($item eq $id); + unless ($hiddensupp->{$item}) { + $allowed = 1; + last; + } + } + if ((!$allowed) && (exists($env{'httpref.'.$src}))) { + &Apache::lonnet::delenv('httpref.'.$src); + } + } + if ($allowed && (!exists($env{'httpref.'.$src}))) { + &Apache::lonnet::allowuploaded('/adm/coursedoc',$src); + } + } + } + } + } + } + } + return $errors; +} + +sub set_supp_httprefs { + my ($cnum,$cdom,$supplemental,$possdel) = @_; + if (ref($supplemental) eq 'HASH') { + if ((ref($supplemental->{'ids'}) eq 'HASH') && (ref($supplemental->{'hidden'}) eq 'HASH')) { + foreach my $src (keys(%{$supplemental->{'ids'}})) { + next if ($src =~ /\.sequence$/); + if (ref($supplemental->{'ids'}->{$src}) eq 'ARRAY') { + my $allowed; + if ($env{'request.role.adv'}) { + $allowed = 1; + } else { + foreach my $id (@{$supplemental->{'ids'}->{$src}}) { + unless ($supplemental->{'hidden'}->{$id}) { + $allowed = 1; + last; + } + } + } + if (exists($env{'httpref.'.$src})) { + if ($possdel) { + unless ($allowed) { + &Apache::lonnet::delenv('httpref.'.$src); + } } + } elsif ($allowed) { + &Apache::lonnet::allowuploaded('/adm/coursedoc',$src); } } } + if ($env{'request.course.id'} eq $cdom.'_'.$cnum) { + &Apache::lonnet::appenv({'request.course.suppupdated' => time}); + } + } + } +} + +sub get_supp_parameter { + my ($resparm,$name)=@_; + return if ($resparm eq ''); + my $value=undef; + my $ptype=undef; + foreach (split('&&&',$resparm)) { + my ($thistype,$thisname,$thisvalue)=split('___',$_); + if ($thisname eq $name) { + $value=$thisvalue; + $ptype=$thistype; } } - return ($numfiles,$errors); + return $value; } sub symb_to_docspath { - my ($symb) = @_; - return unless ($symb); + my ($symb,$navmapref) = @_; + return unless ($symb && ref($navmapref)); my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb); if ($resurl=~/\.(sequence|page)$/) { $mapurl=$resurl; @@ -16289,9 +17986,11 @@ sub symb_to_docspath { $mapurl=$env{'course.'.$env{'request.course.id'}.'.url'}; } my $mapresobj; - my $navmap = Apache::lonnavmaps::navmap->new(); - if (ref($navmap)) { - $mapresobj = $navmap->getResourceByUrl($mapurl); + unless (ref($$navmapref)) { + $$navmapref = Apache::lonnavmaps::navmap->new(); + } + if (ref($$navmapref)) { + $mapresobj = $$navmapref->getResourceByUrl($mapurl); } $mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1}; my $type=$2; @@ -16301,7 +18000,7 @@ sub symb_to_docspath { if ($pcslist ne '') { foreach my $pc (split(/,/,$pcslist)) { next if ($pc <= 1); - my $res = $navmap->getByMapPc($pc); + my $res = $$navmapref->getByMapPc($pc); if (ref($res)) { my $thisurl = $res->src(); $thisurl=~s{^.*/([^/]+)\.\w+$}{$1}; @@ -16347,11 +18046,72 @@ sub symb_to_docspath { return $path; } +sub validate_folderpath { + my ($supplementalflag,$allowed,$coursenum,$coursedom) = @_; + if ($env{'form.folderpath'} ne '') { + my @items = split(/\&/,$env{'form.folderpath'}); + my ($badpath,$changed,$got_supp,$supppath,%supphidden,%suppids); + for (my $i=0; $i<@items; $i++) { + my $odd = $i%2; + if (($odd) && (!$supplementalflag) && ($items[$i] !~ /^[^:]*:(|\d+):(|1):(|1):(|1):(|1)$/)) { + $badpath = 1; + } elsif ($odd && $supplementalflag) { + my $idx = $i-1; + if ($items[$i] =~ /^([^:]*)::(|1):::$/) { + my $esc_name = $1; + if ((!$allowed) || ($items[$idx] eq 'supplemental')) { + $supppath .= '&'.$esc_name; + $changed = 1; + } else { + $supppath .= '&'.$items[$i]; + } + } elsif (($allowed) && ($items[$idx] ne 'supplemental')) { + $changed = 1; + my $is_hidden; + unless ($got_supp) { + my ($supplemental) = &get_supplemental($coursenum,$coursedom); + if (ref($supplemental) eq 'HASH') { + if (ref($supplemental->{'hidden'}) eq 'HASH') { + %supphidden = %{$supplemental->{'hidden'}}; + } + if (ref($supplemental->{'ids'}) eq 'HASH') { + %suppids = %{$supplemental->{'ids'}}; + } + } + $got_supp = 1; + } + if (ref($suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}) eq 'ARRAY') { + my $mapid = $suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}->[0]; + if ($supphidden{$mapid}) { + $is_hidden = 1; + } + } + $supppath .= '&'.$items[$i].'::'.$is_hidden.':::'; + } else { + $supppath .= '&'.$items[$i]; + } + } elsif ((!$odd) && ($items[$i] !~ /^(default|supplemental)(|_\d+)$/)) { + $badpath = 1; + } elsif ($supplementalflag) { + $supppath .= '&'.$items[$i]; + } + last if ($badpath); + } + if ($badpath) { + delete($env{'form.folderpath'}); + } elsif ($changed && $supplementalflag) { + $supppath =~ s/^\&//; + $env{'form.folderpath'} = $supppath; + } + } + return; +} + sub captcha_display { - my ($context,$lonhost) = @_; + my ($context,$lonhost,$defdom) = @_; my ($output,$error); my ($captcha,$pubkey,$privkey,$version) = - &get_captcha_config($context,$lonhost); + &get_captcha_config($context,$lonhost,$defdom); if ($captcha eq 'original') { $output = &create_captcha(); unless ($output) { @@ -16367,9 +18127,9 @@ sub captcha_display { } sub captcha_response { - my ($context,$lonhost) = @_; + my ($context,$lonhost,$defdom) = @_; my ($captcha_chk,$captcha_error); - my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost); + my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost,$defdom); if ($captcha eq 'original') { ($captcha_chk,$captcha_error) = &check_captcha(); } elsif ($captcha eq 'recaptcha') { @@ -16381,7 +18141,7 @@ sub captcha_response { } sub get_captcha_config { - my ($context,$lonhost) = @_; + my ($context,$lonhost,$dom_in_effect) = @_; my ($captcha,$pubkey,$privkey,$version,$hashtocheck); my $hostname = &Apache::lonnet::hostname($lonhost); my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname); @@ -16429,6 +18189,27 @@ sub get_captcha_config { } elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') { $captcha = 'original'; } + } elsif ($context eq 'passwords') { + if ($dom_in_effect) { + my %passwdconf = &Apache::lonnet::get_passwdconf($dom_in_effect); + if ($passwdconf{'captcha'} eq 'recaptcha') { + if (ref($passwdconf{'recaptchakeys'}) eq 'HASH') { + $pubkey = $passwdconf{'recaptchakeys'}{'public'}; + $privkey = $passwdconf{'recaptchakeys'}{'private'}; + } + if ($privkey && $pubkey) { + $captcha = 'recaptcha'; + $version = $passwdconf{'recaptchaversion'}; + if ($version ne '2') { + $version = 1; + } + } else { + $captcha = 'original'; + } + } elsif ($passwdconf{'captcha'} ne 'notused') { + $captcha = 'original'; + } + } } return ($captcha,$pubkey,$privkey,$version); } @@ -16446,13 +18227,17 @@ sub create_captcha { if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') { $output = ''."\n". + ''. &mt('Type in the letters/numbers shown below').' '. - ''. - '
    '. + ''. + '
    '. 'captcha'; last; } } + if ($output eq '') { + &Apache::lonnet::logthis("Failed to create Captcha code after $tries attempts."); + } return $output; } @@ -16491,7 +18276,8 @@ sub check_captcha { sub create_recaptcha { my ($pubkey,$version) = @_; if ($version >= 2) { - return '
    '; + return '
    '. + '
    '; } else { my $use_ssl; if ($ENV{'SERVER_PORT'} == 443) { @@ -16509,13 +18295,14 @@ sub create_recaptcha { sub check_recaptcha { my ($privkey,$version) = @_; my $captcha_chk; + my $ip = &Apache::lonnet::get_requestor_ip(); if ($version >= 2) { my $ua = LWP::UserAgent->new; $ua->timeout(10); my %info = ( secret => $privkey, response => $env{'form.g-recaptcha-response'}, - remoteip => $ENV{'REMOTE_ADDR'}, + remoteip => $ip, ); my $response = $ua->post('https://www.google.com/recaptcha/api/siteverify',\%info); if ($response->is_success) { @@ -16531,7 +18318,7 @@ sub check_recaptcha { my $captcha_result = $captcha->check_answer( $privkey, - $ENV{'REMOTE_ADDR'}, + $ip, $env{'form.recaptcha_challenge_field'}, $env{'form.recaptcha_response_field'}, ); @@ -16580,15 +18367,34 @@ sub cleanup_html { # Checks for critical messages and returns a redirect url if one exists. # $interval indicates how often to check for messages. +# $context is the calling context -- roles, grades, contents, menu or flip. sub critical_redirect { - my ($interval) = @_; + my ($interval,$context) = @_; + unless (($env{'user.domain'} ne '') && ($env{'user.name'} ne '')) { + return (); + } if ((time-$env{'user.criticalcheck.time'})>$interval) { + if (($env{'request.course.id'}) && (($context eq 'flip') || ($context eq 'contents'))) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $blocked = &blocking_status('alert',undef,$cnum,$cdom,undef,1); + if ($blocked) { + my $checkrole = "cm./$cdom/$cnum"; + if ($env{'request.course.sec'} ne '') { + $checkrole .= "/$env{'request.course.sec'}"; + } + unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && + ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) { + return; + } + } + } my @what=&Apache::lonnet::dump('critical', $env{'user.domain'}, $env{'user.name'}); &Apache::lonnet::appenv({'user.criticalcheck.time'=>time}); my $redirecturl; if ($what[0]) { - if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) { + if (($what[0] ne 'con_lost') && ($what[0] ne 'no_such_host') && ($what[0]!~/^error\:/)) { $redirecturl='/adm/email?critical=display'; my $url=&Apache::lonnet::absolute_url().$redirecturl; return (1, $url); @@ -16648,6 +18454,342 @@ sub des_decrypt { return $plaintext; } +sub get_requested_shorturls { + my ($cdom,$cnum,$navmap) = @_; + return unless (ref($navmap)); + my ($numnew,$errors); + my @toshorten = &Apache::loncommon::get_env_multiple('form.addtiny'); + if (@toshorten) { + my (%maps,%resources,%titles); + &Apache::loncourserespicker::enumerate_course_contents($navmap,\%maps,\%resources,\%titles, + 'shorturls',$cdom,$cnum); + if (keys(%resources)) { + my %tocreate; + foreach my $item (sort {$a <=> $b} (@toshorten)) { + my $symb = $resources{$item}; + if ($symb) { + $tocreate{$cnum.'&'.$symb} = 1; + } + } + if (keys(%tocreate)) { + ($numnew,$errors) = &make_short_symbs($cdom,$cnum, + \%tocreate); + } + } + } + return ($numnew,$errors); +} + +sub make_short_symbs { + my ($cdom,$cnum,$tocreateref,$lockuser) = @_; + my ($numnew,@errors); + if (ref($tocreateref) eq 'HASH') { + my %tocreate = %{$tocreateref}; + if (keys(%tocreate)) { + my %coursetiny = &Apache::lonnet::dump('tiny',$cdom,$cnum); + my $su = Short::URL->new(no_vowels => 1); + my $init = ''; + my (%newunique,%addcourse,%courseonly,%failed); + # get lock on tiny db + my $now = time; + if ($lockuser eq '') { + $lockuser = $env{'user.name'}.':'.$env{'user.domain'}; + } + my $lockhash = { + "lock\0$now" => $lockuser, + }; + my $tries = 0; + my $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom); + my ($code,$error); + while (($gotlock ne 'ok') && ($tries<3)) { + $tries ++; + sleep 1; + $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom); + } + if ($gotlock eq 'ok') { + $init = &shorten_symbs($cdom,$init,$su,\%coursetiny,\%tocreate,\%newunique, + \%addcourse,\%courseonly,\%failed); + if (keys(%failed)) { + my $numfailed = scalar(keys(%failed)); + push(@errors,&mt('error: could not obtain unique six character URL for [quant,_1,resource]',$numfailed)); + } + if (keys(%newunique)) { + my $putres = &Apache::lonnet::newput_dom('tiny',\%newunique,$cdom); + if ($putres eq 'ok') { + $numnew = scalar(keys(%newunique)); + my $newputres = &Apache::lonnet::newput('tiny',\%addcourse,$cdom,$cnum); + unless ($newputres eq 'ok') { + push(@errors,&mt('error: could not store course look-up of short URLs')); + } + } else { + push(@errors,&mt('error: could not store unique six character URLs')); + } + } + my $dellockres = &Apache::lonnet::del_dom('tiny',["lock\0$now"],$cdom); + unless ($dellockres eq 'ok') { + push(@errors,&mt('error: could not release lockfile')); + } + } else { + push(@errors,&mt('error: could not obtain lockfile')); + } + if (keys(%courseonly)) { + my $result = &Apache::lonnet::newput('tiny',\%courseonly,$cdom,$cnum); + if ($result ne 'ok') { + push(@errors,&mt('error: could not update course look-up of short URLs')); + } + } + } + } + return ($numnew,\@errors); +} + +sub shorten_symbs { + my ($cdom,$init,$su,$coursetiny,$tocreate,$newunique,$addcourse,$courseonly,$failed) = @_; + return unless ((ref($su)) && (ref($coursetiny) eq 'HASH') && (ref($tocreate) eq 'HASH') && + (ref($newunique) eq 'HASH') && (ref($addcourse) eq 'HASH') && + (ref($courseonly) eq 'HASH') && (ref($failed) eq 'HASH')); + my (%possibles,%collisions); + foreach my $key (keys(%{$tocreate})) { + my $num = String::CRC32::crc32($key); + my $tiny = $su->encode($num,$init); + if ($tiny) { + $possibles{$tiny} = $key; + } + } + if (!$init) { + $init = 1; + } else { + $init ++; + } + if (keys(%possibles)) { + my @posstiny = keys(%possibles); + my $configuname = &Apache::lonnet::get_domainconfiguser($cdom); + my %currtiny = &Apache::lonnet::get('tiny',\@posstiny,$cdom,$configuname); + if (keys(%currtiny)) { + foreach my $key (keys(%currtiny)) { + next if ($currtiny{$key} eq ''); + if ($currtiny{$key} eq $possibles{$key}) { + my ($tcnum,$tsymb) = split(/\&/,$currtiny{$key}); + unless (($coursetiny->{$tsymb} eq $key) || ($addcourse->{$tsymb} eq $key) || ($courseonly->{$tsymb} eq $key)) { + $courseonly->{$tsymb} = $key; + } + } else { + $collisions{$possibles{$key}} = 1; + } + delete($possibles{$key}); + } + } + foreach my $key (keys(%possibles)) { + $newunique->{$key} = $possibles{$key}; + my ($tcnum,$tsymb) = split(/\&/,$possibles{$key}); + unless (($coursetiny->{$tsymb} eq $key) || ($addcourse->{$tsymb} eq $key) || ($courseonly->{$tsymb} eq $key)) { + $addcourse->{$tsymb} = $key; + } + } + } + if (keys(%collisions)) { + if ($init <5) { + if (!$init) { + $init = 1; + } else { + $init ++; + } + $init = &shorten_symbs($cdom,$init,$su,$coursetiny,\%collisions, + $newunique,$addcourse,$courseonly,$failed); + } else { + foreach my $key (keys(%collisions)) { + $failed->{$key} = 1; + $failed->{$key} = 1; + } + } + } + return $init; +} + +sub is_nonframeable { + my ($url,$absolute,$hostname,$ip,$nocache) = @_; + my ($remprotocol,$remhost) = ($url =~ m{^(https?)\://(([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,})}i); + return if (($remprotocol eq '') || ($remhost eq '')); + + $remprotocol = lc($remprotocol); + $remhost = lc($remhost); + my $remport = 80; + if ($remprotocol eq 'https') { + $remport = 443; + } + my ($result,$cached) = &Apache::lonnet::is_cached_new('noiframe',$remhost.':'.$remport); + if ($cached) { + unless ($nocache) { + if ($result) { + return 1; + } else { + return 0; + } + } + } + my $uselink; + my $request = new HTTP::Request('HEAD',$url); + my $ua = LWP::UserAgent->new; + $ua->timeout(5); + my $response=$ua->request($request); + if ($response->is_success()) { + my $secpolicy = lc($response->header('content-security-policy')); + my $xframeop = lc($response->header('x-frame-options')); + $secpolicy =~ s/^\s+|\s+$//g; + $xframeop =~ s/^\s+|\s+$//g; + if (($secpolicy ne '') || ($xframeop ne '')) { + my $remotehost = $remprotocol.'://'.$remhost; + my ($origin,$protocol,$port); + if ($ENV{'SERVER_PORT'} =~/^\d+$/) { + $port = $ENV{'SERVER_PORT'}; + } else { + $port = 80; + } + if ($absolute eq '') { + $protocol = 'http:'; + if ($port == 443) { + $protocol = 'https:'; + } + $origin = $protocol.'//'.lc($hostname); + } else { + $origin = lc($absolute); + ($protocol,$hostname) = ($absolute =~ m{^(https?:)//([^/]+)$}); + } + if (($secpolicy) && ($secpolicy =~ /\Qframe-ancestors\E([^;]*)(;|$)/)) { + my $framepolicy = $1; + $framepolicy =~ s/^\s+|\s+$//g; + my @policies = split(/\s+/,$framepolicy); + if (@policies) { + if (grep(/^\Q'none'\E$/,@policies)) { + $uselink = 1; + } else { + $uselink = 1; + if ((grep(/^\Q*\E$/,@policies)) || (grep(/^\Q$protocol\E$/,@policies)) || + (($origin ne '') && (grep(/^\Q$origin\E$/,@policies))) || + (($ip ne '') && (grep(/^\Q$ip\E$/,@policies)))) { + undef($uselink); + } + if ($uselink) { + if (grep(/^\Q'self'\E$/,@policies)) { + if (($origin ne '') && ($remotehost eq $origin)) { + undef($uselink); + } + } + } + if ($uselink) { + my @possok; + if ($ip ne '') { + push(@possok,$ip); + } + my $hoststr = ''; + foreach my $part (reverse(split(/\./,$hostname))) { + if ($hoststr eq '') { + $hoststr = $part; + } else { + $hoststr = "$part.$hoststr"; + } + if ($hoststr eq $hostname) { + push(@possok,$hostname); + } else { + push(@possok,"*.$hoststr"); + } + } + if (@possok) { + foreach my $poss (@possok) { + last if (!$uselink); + foreach my $policy (@policies) { + if ($policy =~ m{^(\Q$protocol\E//|)\Q$poss\E(\Q:$port\E|)$}) { + undef($uselink); + last; + } + } + } + } + } + } + } + } elsif ($xframeop ne '') { + $uselink = 1; + my @policies = split(/\s*,\s*/,$xframeop); + if (@policies) { + unless (grep(/^deny$/,@policies)) { + if ($origin ne '') { + if (grep(/^sameorigin$/,@policies)) { + if ($remotehost eq $origin) { + undef($uselink); + } + } + if ($uselink) { + foreach my $policy (@policies) { + if ($policy =~ /^allow-from\s*(.+)$/) { + my $allowfrom = $1; + if (($allowfrom ne '') && ($allowfrom eq $origin)) { + undef($uselink); + last; + } + } + } + } + } + } + } + } + } + } + if ($nocache) { + if ($cached) { + my $devalidate; + if ($uselink && !$result) { + $devalidate = 1; + } elsif (!$uselink && $result) { + $devalidate = 1; + } + if ($devalidate) { + &Apache::lonnet::devalidate_cache_new('noiframe',$remhost.':'.$remport); + } + } + } else { + if ($uselink) { + $result = 1; + } else { + $result = 0; + } + &Apache::lonnet::do_cache_new('noiframe',$remhost.':'.$remport,$result,3600); + } + return $uselink; +} + +sub page_menu { + my ($menucolls,$menunum) = @_; + my %menu; + foreach my $item (split(/;/,$menucolls)) { + my ($num,$value) = split(/\%/,$item); + if ($num eq $menunum) { + my @entries = split(/\&/,$value); + foreach my $entry (@entries) { + my ($name,$fields) = split(/=/,$entry); + if (($name eq 'top') || ($name eq 'inline') || ($name eq 'foot') || ($name eq 'main')) { + $menu{$name} = $fields; + } else { + my @shown; + if ($fields =~ /,/) { + @shown = split(/,/,$fields); + } else { + @shown = ($fields); + } + if (@shown) { + foreach my $field (@shown) { + next if ($field eq ''); + $menu{$field} = 1; + } + } + } + } + } + } + return %menu; +} + 1; __END__;