--- loncom/interface/loncommon.pm 2013/12/19 08:28:05 1.1075.2.58 +++ loncom/interface/loncommon.pm 2016/09/01 01:27:25 1.1075.2.111 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.1075.2.58 2013/12/19 08:28:05 raeburn Exp $ +# $Id: loncommon.pm,v 1.1075.2.111 2016/09/01 01:27:25 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -69,11 +69,17 @@ use Apache::lontexconvert(); use Apache::lonclonecourse(); use Apache::lonuserutils(); use Apache::lonuserstate(); +use Apache::courseclassifier(); use LONCAPA qw(:DEFAULT :match); use DateTime::TimeZone; -use DateTime::Locale::Catalog; +use DateTime::Locale; +use Encode(); use Authen::Captcha; use Captcha::reCAPTCHA; +use JSON::DWIW; +use LWP::UserAgent; +use Crypt::DES; +use DynaLoader; # for Crypt::DES version # ---------------------------------------------- Designs use vars qw(%defaultdesign); @@ -529,7 +535,7 @@ ENDAUTHORBRW sub coursebrowser_javascript { my ($domainfilter,$sec_element,$formname,$role_element,$crstype, - $credits_element) = @_; + $credits_element,$instcode) = @_; my $wintitle = 'Course_Browser'; if ($crstype eq 'Community') { $wintitle = 'Community_Browser'; @@ -580,6 +586,12 @@ sub coursebrowser_javascript { var ownername = document.forms[formid].ccuname.value; var ownerdom = document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value; url += '&cloner='+ownername+':'+ownerdom; + if (type == 'Course') { + url += '&crscode='+document.forms[formid].crscode.value; + } + } + if (formname == 'requestcrs') { + url += '&crsdom=$domainfilter&crscode=$instcode'; } if (multflag !=null && multflag != '') { url += '&multiple='+multflag; @@ -955,15 +967,16 @@ sub select_datelocale { } $output .= '> '; } + my @languages = &Apache::lonlocal::preferred_languages(); my (@possibles,%locale_names); - my @locales = DateTime::Locale::Catalog::Locales; - foreach my $locale (@locales) { - if (ref($locale) eq 'HASH') { - my $id = $locale->{'id'}; - if ($id ne '') { - my $en_terr = $locale->{'en_territory'}; - my $native_terr = $locale->{'native_territory'}; - my @languages = &Apache::lonlocal::preferred_languages(); + my @locales = DateTime::Locale->ids(); + foreach my $id (@locales) { + if ($id ne '') { + my ($en_terr,$native_terr); + my $loc = DateTime::Locale->load($id); + if (ref($loc)) { + $en_terr = $loc->name(); + $native_terr = $loc->native_name(); if (grep(/^en$/,@languages) || !@languages) { if ($en_terr ne '') { $locale_names{$id} = '('.$en_terr.')'; @@ -977,7 +990,8 @@ sub select_datelocale { $locale_names{$id} = '('.$en_terr.')'; } } - push (@possibles,$id); + $locale_names{$id} = Encode::encode('UTF-8',$locale_names{$id}); + push(@possibles,$id); } } } @@ -988,7 +1002,7 @@ sub select_datelocale { } $output.=">$item"; if ($locale_names{$item} ne '') { - $output.=" $locale_names{$item}\n"; + $output.=' '.$locale_names{$item}; } $output.="\n"; } @@ -1289,7 +1303,9 @@ sub helpLatexCheatsheet { unless ($not_author) { $out .= ' ' .&help_open_topic('Authoring_Output_Tags',&mt('Output Tags'),$stayOnPage,undef,600) - .''; + .' ' + .&help_open_topic('Authoring_Multilingual_Problems',&mt('Languages'),$stayOnPage,undef,600) + .''; } $out .= ''; # End cheatsheet return $out; @@ -1352,18 +1368,25 @@ sub help_open_menu { sub top_nav_help { my ($text) = @_; $text = &mt($text); - my $stay_on_page = 1; - - my $link = ($stay_on_page) ? "javascript:helpMenu('display')" - : "javascript:helpMenu('open')"; - my $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page); - + my $stay_on_page; + unless ($env{'environment.remote'} eq 'on') { + $stay_on_page = 1; + } + my ($link,$banner_link); + unless ($env{'request.noversionuri'} =~ m{^/adm/helpmenu}) { + $link = ($stay_on_page) ? "javascript:helpMenu('display')" + : "javascript:helpMenu('open')"; + $banner_link = &update_help_link(undef,undef,undef,undef,$stay_on_page); + } my $title = &mt('Get help'); - - return <<"END"; + if ($link) { + return <<"END"; $banner_link $text END + } else { + return ' '.$text.' '; + } } sub help_menu_js { @@ -1410,9 +1433,10 @@ function helpMenu(target) { return; } function writeHelp(caller) { - caller.document.writeln('$start_page\\n\\n\\n$end_page') - caller.document.close() - caller.focus() + caller.document.writeln('$start_page\\n\\n'); + caller.document.writeln('\\n$end_page'); + caller.document.close(); + caller.focus(); } // END LON-CAPA Internal --> // ]]> @@ -2328,6 +2352,8 @@ Outputs: =item * $clientinfo +=item * $clientosversion + =back =back @@ -2347,8 +2373,9 @@ sub decode_user_agent { my $clientmathml=''; my $clientunicode='0'; my $clientmobile=0; + my $clientosversion=''; for (my $i=0;$i<=$#browsertype;$i++) { - my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]); + my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\%/,$browsertype[$i]); if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) { $clientbrowser=$bname; $httpbrowser=~/$vreg/i; @@ -2368,7 +2395,12 @@ sub decode_user_agent { if ($httpbrowser=~/next/i) { $clientos='next'; } if (($httpbrowser=~/mac/i) || ($httpbrowser=~/powerpc/i)) { $clientos='mac'; } - if ($httpbrowser=~/win/i) { $clientos='win'; } + if ($httpbrowser=~/win/i) { + $clientos='win'; + if ($httpbrowser =~/Windows\s+NT\s+(\d+\.\d+)/i) { + $clientosversion = $1; + } + } if ($httpbrowser=~/embed/i) { $clientos='pda'; } if ($httpbrowser=~/(Android|iPod|iPad|iPhone|webOS|Blackberry|Windows Phone|Opera m(?:ob|in)|Fennec)/i) { $clientmobile=lc($1); @@ -2379,7 +2411,8 @@ sub decode_user_agent { $clientinfo = 'chromeframe-'.$1; } return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml, - $clientunicode,$clientos,$clientmobile,$clientinfo); + $clientunicode,$clientos,$clientmobile,$clientinfo, + $clientosversion); } ############################################################### @@ -3655,7 +3688,7 @@ sub user_lang { =over 4 =item * &get_previous_attempt($symb, $username, $domain, $course, - $getattempt, $regexp, $gradesub) + $getattempt, $regexp, $gradesub, $usec, $identifier) Return string with previous attempt on problem. Arguments: @@ -3677,6 +3710,11 @@ Return string with previous attempt on p =item * $gradesub: routine that processes the string if it matches $regexp +=item * $usec: section of the desired student + +=item * $identifier: counter for student (multiple students one problem) or + problem (one student; whole sequence). + =back The output string is a table containing all desired attempts, if any. @@ -3684,7 +3722,7 @@ The output string is a table containing =cut sub get_previous_attempt { - my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_; + my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub,$usec,$identifier)=@_; my $prevattempts=''; no strict 'refs'; if ($symb) { @@ -3694,13 +3732,18 @@ sub get_previous_attempt { my %lasthash=(); my $version; for ($version=1;$version<=$returnhash{'version'};$version++) { - foreach my $key (sort(split(/\:/,$returnhash{$version.':keys'}))) { - $lasthash{$key}=$returnhash{$version.':'.$key}; + foreach my $key (reverse(sort(split(/\:/,$returnhash{$version.':keys'})))) { + if ($key =~ /\.rawrndseed$/) { + my ($id) = ($key =~ /^(.+)\.rawrndseed$/); + $lasthash{$id.'.rndseed'} = $returnhash{$version.':'.$key}; + } else { + $lasthash{$key}=$returnhash{$version.':'.$key}; + } } } $prevattempts=&start_data_table().&start_data_table_header_row(); $prevattempts.=''.&mt('History').''; - my (%typeparts,%lasthidden); + my (%typeparts,%lasthidden,%regraded,%hidestatus); my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'}); foreach my $key (sort(keys(%lasthash))) { my ($ign,@parts) = split(/\./,$key); @@ -3717,6 +3760,18 @@ sub get_previous_attempt { $lasthidden{$ign.'.'.$id} = 1; } } + if ($identifier ne '') { + my $id = join(',',@parts); + if (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb, + $domain,$username,$usec,undef,$course) =~ /^no/) { + $hidestatus{$ign.'.'.$id} = 1; + } + } + } elsif ($data eq 'regrader') { + if (($identifier ne '') && (@parts)) { + my $id = join(',',@parts); + $regraded{$ign.'.'.$id} = 1; + } } } else { if ($#parts == 0) { @@ -3728,17 +3783,60 @@ sub get_previous_attempt { } $prevattempts.=&end_data_table_header_row(); if ($getattempt eq '') { + my (%solved,%resets,%probstatus); + if (($identifier ne '') && (keys(%regraded) > 0)) { + for ($version=1;$version<=$returnhash{'version'};$version++) { + foreach my $id (keys(%regraded)) { + if (($returnhash{$version.':'.$id.'.regrader'}) && + ($returnhash{$version.':'.$id.'.tries'} eq '') && + ($returnhash{$version.':'.$id.'.award'} eq '')) { + push(@{$resets{$id}},$version); + } + } + } + } for ($version=1;$version<=$returnhash{'version'};$version++) { - my @hidden; + my (@hidden,@unsolved); if (%typeparts) { foreach my $id (keys(%typeparts)) { - if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) { + if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || + ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) { push(@hidden,$id); + } elsif ($identifier ne '') { + unless (($returnhash{$version.':'.$id.'.type'} eq 'survey') || + ($returnhash{$version.':'.$id.'.type'} eq 'surveycred') || + ($hidestatus{$id})) { + next if ((ref($resets{$id}) eq 'ARRAY') && grep(/^\Q$version\E$/,@{$resets{$id}})); + if ($returnhash{$version.':'.$id.'.solved'} eq 'correct_by_student') { + push(@{$solved{$id}},$version); + } elsif (($returnhash{$version.':'.$id.'.solved'} ne '') && + (ref($solved{$id}) eq 'ARRAY')) { + my $skip; + if (ref($resets{$id}) eq 'ARRAY') { + foreach my $reset (@{$resets{$id}}) { + if ($reset > $solved{$id}[-1]) { + $skip=1; + last; + } + } + } + unless ($skip) { + my ($ign,$partslist) = split(/\./,$id,2); + push(@unsolved,$partslist); + } + } + } } } } $prevattempts.=&start_data_table_row(). - ''.&mt('Transaction [_1]',$version).''; + ''.&mt('Transaction [_1]',$version); + if (@unsolved) { + $prevattempts .= ''; + } + $prevattempts .= ''; if (@hidden) { foreach my $key (sort(keys(%lasthash))) { next if ($key =~ /\.foilorder$/); @@ -3760,9 +3858,15 @@ sub get_previous_attempt { } } else { if ($key =~ /\./) { - my $value = &format_previous_attempt_value($key, - $returnhash{$version.':'.$key}); - $prevattempts.=''.$value.' '; + my $value = $returnhash{$version.':'.$key}; + if ($key =~ /\.rndseed$/) { + my ($id) = ($key =~ /^(.+)\.rndseed$/); + if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) { + $value = $returnhash{$version.':'.$id.'.rawrndseed'}; + } + } + $prevattempts.=''.&format_previous_attempt_value($key,$value). + ' '; } else { $prevattempts.=' '; } @@ -3771,9 +3875,15 @@ sub get_previous_attempt { } else { foreach my $key (sort(keys(%lasthash))) { next if ($key =~ /\.foilorder$/); - my $value = &format_previous_attempt_value($key, - $returnhash{$version.':'.$key}); - $prevattempts.=''.$value.' '; + my $value = $returnhash{$version.':'.$key}; + if ($key =~ /\.rndseed$/) { + my ($id) = ($key =~ /^(.+)\.rndseed$/); + if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) { + $value = $returnhash{$version.':'.$id.'.rawrndseed'}; + } + } + $prevattempts.=''.&format_previous_attempt_value($key,$value). + ' '; } } $prevattempts.=&end_data_table_row(); @@ -4223,23 +4333,20 @@ sub findallcourses { ############################################### sub blockcheck { - my ($setters,$activity,$uname,$udom,$url) = @_; + my ($setters,$activity,$uname,$udom,$url,$is_course) = @_; - if (!defined($udom)) { + if (defined($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); + return ($startblock,$endblock,$triggerblock); + } + } else { $udom = $env{'user.domain'}; - } - if (!defined($uname)) { $uname = $env{'user.name'}; } - # If uname and udom are for a course, check for blocks in the course. - - if (&Apache::lonnet::is_course($udom,$uname)) { - my ($startblock,$endblock,$triggerblock) = - &get_blocks($setters,$activity,$udom,$uname,$url); - return ($startblock,$endblock,$triggerblock); - } - my $startblock = 0; my $endblock = 0; my $triggerblock = ''; @@ -4249,7 +4356,8 @@ sub blockcheck { # boards, chat or groups, check for blocking in current course only. if (($activity eq 'boards' || $activity eq 'chat' || - $activity eq 'groups') && ($env{'request.course.id'})) { + $activity eq 'groups' || $activity eq 'printout') && + ($env{'request.course.id'})) { foreach my $key (keys(%live_courses)) { if ($key ne $env{'request.course.id'}) { delete($live_courses{$key}); @@ -4513,12 +4621,12 @@ sub parse_block_record { } sub blocking_status { - my ($activity,$uname,$udom,$url) = @_; + my ($activity,$uname,$udom,$url,$is_course) = @_; my %setters; # check for active blocking my ($startblock,$endblock,$triggerblock) = - &blockcheck(\%setters,$activity,$uname,$udom,$url); + &blockcheck(\%setters,$activity,$uname,$udom,$url,$is_course); my $blocked = 0; if ($startblock && $endblock) { $blocked = 1; @@ -4530,9 +4638,9 @@ 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') { - $querystring .= "&udom=$udom" if $udom; - $querystring .= "&uname=$uname" if $uname; + if (($activity eq 'port') || ($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,'&"'); } @@ -4551,13 +4659,17 @@ END_MYBLOCK my $popupUrl = "/adm/blockingstatus/$querystring"; my $text = &mt('Communication Blocked'); + my $class = 'LC_comblock'; if ($activity eq 'docs') { $text = &mt('Content Access Blocked'); + $class = ''; } elsif ($activity eq 'printout') { $text = &mt('Printing Blocked'); + } elsif ($activity eq 'passwd') { + $text = &mt('Password Changing Blocked'); } $output .= <<"END_BLOCK"; -
+
$text @@ -4573,13 +4685,13 @@ END_BLOCK ############################################### sub check_ip_acc { - my ($acc)=@_; + my ($acc,$clientip)=@_; &Apache::lonxml::debug("acc is $acc"); if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) { return 1; } my $allowed=0; - my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'}; + my $ip=$ENV{'REMOTE_ADDR'} || $clientip || $env{'request.host'}; my $name; foreach my $pattern (split(',',$acc)) { @@ -4675,23 +4787,28 @@ sub get_domainconf { if (keys(%{$domconfig{'login'}})) { foreach my $key (keys(%{$domconfig{'login'}})) { if (ref($domconfig{'login'}{$key}) eq 'HASH') { - if ($key eq 'loginvia') { - if (ref($domconfig{'login'}{'loginvia'}) eq 'HASH') { - foreach my $hostname (keys(%{$domconfig{'login'}{'loginvia'}})) { - if (ref($domconfig{'login'}{'loginvia'}{$hostname}) eq 'HASH') { - if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) { - my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'}; - $designhash{$udom.'.login.loginvia'} = $server; - if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') { - - $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'}; - } else { - $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'}; + if (($key eq 'loginvia') || ($key eq 'headtag')) { + if (ref($domconfig{'login'}{$key}) eq 'HASH') { + foreach my $hostname (keys(%{$domconfig{'login'}{$key}})) { + if (ref($domconfig{'login'}{$key}{$hostname}) eq 'HASH') { + if ($key eq 'loginvia') { + if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) { + my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'}; + $designhash{$udom.'.login.loginvia'} = $server; + if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') { + $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'}; + } else { + $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'}; + } } - if ($domconfig{'login'}{'loginvia'}{$hostname}{'exempt'}) { - $designhash{$udom.'.login.loginvia_exempt_'.$hostname} = $domconfig{'login'}{'loginvia'}{$hostname}{'exempt'}; + } elsif ($key eq 'headtag') { + if ($domconfig{'login'}{'headtag'}{$hostname}{'url'}) { + $designhash{$udom.'.login.headtag_'.$hostname} = $domconfig{'login'}{'headtag'}{$hostname}{'url'}; } } + if ($domconfig{'login'}{$key}{$hostname}{'exempt'}) { + $designhash{$udom.'.login.'.$key.'_exempt_'.$hostname} = $domconfig{'login'}{$key}{$hostname}{'exempt'}; + } } } } @@ -5015,9 +5132,6 @@ Inputs: =item * $args, optional argument valid values are no_auto_mt_title -> prevents &mt()ing the title arg - inherit_jsmath -> when creating popup window in a page, - should it have jsmath forced on by the - current page =item * $advtoolsref, optional argument, ref to an array containing inlineremote items to be added in "Functions" menu below @@ -5058,7 +5172,10 @@ sub bodytag { @design{keys(%$addentries)} = @$addentries{keys(%$addentries)}; # role and realm - my ($role,$realm) = split(/\./,$env{'request.role'},2); + my ($role,$realm) = split(m{\./},$env{'request.role'},2); + if ($realm) { + $realm = '/'.$realm; + } if ($role eq 'ca') { my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$}); $realm = &plainname($rname,$rdom); @@ -5082,7 +5199,7 @@ sub bodytag { # construct main body tag my $bodytag = "". - &Apache::lontexconvert::init_math_support($args->{'inherit_jsmath'}); + &Apache::lontexconvert::init_math_support(); &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']); @@ -5106,7 +5223,7 @@ sub bodytag { $dc_info =~ s/\s+$//; } - $role = '('.$role.')' if $role; + $role = '('.$role.')' if ($role && !$env{'browser.mobile'}); if ($env{'request.state'} eq 'construct') { $forcereg=1; } @@ -5155,6 +5272,10 @@ sub bodytag { } $bodytag .= qq|
$realm $dc_info
|; + #if directed to not display the secondary menu, don't. + if ($args->{'no_secondary_menu'}) { + return $bodytag; + } #don't show menus for public users if (!$public){ $bodytag .= Apache::lonmenu::secondary_menu($httphost); @@ -5196,6 +5317,9 @@ sub bodytag { } my $upperleft=''.$function.''; + my $help=($no_inline_link?'' + :&Apache::loncommon::top_nav_help('Help')); + # Explicit link to get inline menu my $menu= ($no_inline_link?'' :''.&mt('Switch to Inline Menu Mode').''); @@ -5213,6 +5337,7 @@ sub bodytag { unless ($env{'form.inhibitmenu'}) { $bodytag .= qq|
$name $role
    +
  1. $help
  2. $menu
$realm $dc_info
|; } @@ -5301,7 +5426,6 @@ sub endbodytag { unless ((ref($args) eq 'HASH') && ($args->{'notbody'})) { $endbodytag=''; } - $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag; if ( exists( $env{'internal.head.redirect'} ) ) { if (!(ref($args) eq 'HASH' && $args->{'noredirectlink'})) { $endbodytag= @@ -5476,6 +5600,17 @@ div.LC_confirm_box .LC_success img { vertical-align: middle; } +.LC_maxwidth { + max-width: 100%; + height: auto; +} + +.LC_textsize_mobile { + \@media only screen and (max-device-width: 480px) { + -webkit-text-size-adjust:100%; -moz-text-size-adjust:100%; -ms-text-size-adjust:100%; + } +} + .LC_icon { border: none; vertical-align: middle; @@ -5597,6 +5732,10 @@ table#LC_menubuttons img { vertical-align: middle; } +.LC_breadcrumbs_hoverable { + background: $sidebg; +} + td.LC_table_cell_checkbox { text-align: center; } @@ -6580,6 +6719,10 @@ fieldset { /* overflow: hidden; */ } +article.geogebraweb div { + margin: 0; +} + fieldset > legend { font-weight: bold; padding: 0 5px 0 5px; @@ -7272,7 +7415,10 @@ sub headtag { ''. &font_settings($args); - my $inhibitprint = &print_suppression(); + my $inhibitprint; + if ($args->{'print_suppress'}) { + $inhibitprint = &print_suppression(); + } if (!$args->{'frameset'}) { $result .= &Apache::lonhtmlcommon::htmlareaheaders(); @@ -7312,16 +7458,102 @@ sub headtag { ADDMETA + } else { + unless (($args->{'frameset'}) || ($args->{'js_ready'}) || ($args->{'only_body'}) || ($args->{'no_nav_bar'})) { + my $requrl = $env{'request.uri'}; + if ($requrl eq '') { + $requrl = $ENV{'REQUEST_URI'}; + $requrl =~ s/\?.+$//; + } + unless (($requrl =~ m{^/adm/(?:switchserver|login|authenticate|logout|groupsort|cleanup|helper|slotrequest|grades)(\?|$)}) || + (($requrl =~ m{^/res/}) && (($env{'form.submitted'} eq 'scantron') || + ($env{'form.grade_symb'}) || ($Apache::lonhomework::scantronmode)))) { + my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'}; + unless (&Apache::lonnet::allowed('mau',$dom_in_use)) { + my %domdefs = &Apache::lonnet::get_domain_defaults($dom_in_use); + if (ref($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(); + } + my $disable_submit = 0; + if ($requrl =~ /$LONCAPA::assess_re/) { + $disable_submit = 1; + } + if ($locknum) { + my @lockinfo = sort(values(%locks)); + $msg = &mt('Once the following tasks are complete: ')."\\n". + join(", ",sort(values(%locks)))."\\n". + &mt('your session will be transferred to a different server, after you click "Roles".'); + } else { + if (($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'}) { + $newurl .= '&symb='.$env{'request.symb'}; + } else { + $newurl .= '&origurl='.$requrl; + } + } + &js_escape(\$msg); + $result.=< + +OFFLOAD + } + } + } + } + } + } } if (!defined($title)) { $title = 'The LearningOnline Network with CAPA'; } if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); } $result .= ' LON-CAPA '.$title.'' - .'' + .'{'frameset'}) { + $result .= ' /'; + } + $result .= '>' .$inhibitprint .$head_extra; - if ($env{'browser.mobile'}) { + my $clientmobile; + if (($env{'user.name'} eq '') && ($env{'user.domain'} eq '')) { + (undef,undef,undef,undef,undef,undef,$clientmobile) = &decode_user_agent(); + } else { + $clientmobile = $env{'browser.mobile'}; + } + if ($clientmobile) { $result .= ' '; @@ -7345,7 +7577,11 @@ sub font_settings { if ((!$env{'browser.mathml'} && $env{'browser.unicode'}) || ((ref($args) eq 'HASH') && ($args->{'browser.unicode'}))) { $headerstring.= - ''."\n"; + '{'frameset'}) { + $headerstring.= ' /'; + } + $headerstring .= '>'."\n"; } return $headerstring; } @@ -7390,7 +7626,7 @@ 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); + my $blocked = &blocking_status('printout',$cnum,$cdom,undef,1); if ($blocked) { my $checkrole = "cm./$cdom/$cnum"; if ($env{'request.course.sec'} ne '') { @@ -7437,6 +7673,7 @@ Inputs: none =cut sub xml_begin { + my ($is_frameset) = @_; my $output=''; if ($env{'browser.mathml'}) { @@ -7448,9 +7685,12 @@ sub xml_begin { .'' .''; + } elsif ($is_frameset) { + $output=''."\n". + ''."\n"; } else { - $output=''."\n" - .''."\n"; + $output=''."\n". + ''."\n"; } return $output; } @@ -7497,9 +7737,6 @@ $args - additional optional args support no_inline_link -> if true and in remote mode, don't show the 'Switch To Inline Menu' link no_auto_mt_title -> prevent &mt()ing the title arg - inherit_jsmath -> when creating popup window in a page, - should it have jsmath forced on by the - current page bread_crumbs -> Array containing breadcrumbs bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs group -> includes the current group, if page is for a @@ -7519,7 +7756,7 @@ sub start_page { my ($result,@advtools); if (! exists($args->{'skip_phases'}{'head'}) ) { - $result .= &xml_begin() . &headtag($title, $head_extra, $args); + $result .= &xml_begin($args->{'frameset'}) . &headtag($title, $head_extra, $args); } if (! exists($args->{'skip_phases'}{'body'}) ) { @@ -7625,9 +7862,13 @@ function set_wishlistlink(title, path) { title = document.title; title = title.replace(/^LON-CAPA /,''); } + title = encodeURIComponent(title); + title = title.replace("'","\\\'"); if (!path) { path = location.pathname; } + path = encodeURIComponent(path); + path = path.replace("'","\\\'"); Win = window.open('/adm/wishlist?mode=newLink&setTitle='+title+'&setPath='+path, 'wishlistNewLink','width=560,height=350,scrollbars=0'); } @@ -7670,12 +7911,13 @@ var modalWindow = { }; var openMyModal = function(source,width,height,scrolling,transparency,style) { + source = source.replace("'","'"); modalWindow.windowId = "myModal"; modalWindow.width = width; modalWindow.height = height; - modalWindow.content = ""; modalWindow.open(); - }; + }; // END LON-CAPA Internal --> // ]]> @@ -8277,7 +8519,7 @@ role status: active, previous or future. sub check_user_status { my ($udom,$uname,$cdom,$crs,$role,$sec) = @_; my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname); - my @uroles = keys %userinfo; + my @uroles = keys(%userinfo); my $srchstr; my $active_chk = 'none'; my $now = time; @@ -8688,7 +8930,7 @@ Incoming parameters: 2. user's domain 3. quota name - portfolio, author, or course (if no quota name provided, defaults to portfolio). -4. crstype - official, unofficial or community, if quota name is +4. crstype - official, unofficial, textbook or community, if quota name is course Returns: @@ -8762,7 +9004,8 @@ sub get_user_quota { if ($quota eq '' || wantarray) { if ($quotaname eq 'course') { my %domdefs = &Apache::lonnet::get_domain_defaults($udom); - if (($crstype eq 'official') || ($crstype eq 'unofficial') || ($crstype eq 'community')) { + if (($crstype eq 'official') || ($crstype eq 'unofficial') || + ($crstype eq 'community') || ($crstype eq 'textbook')) { $defquota = $domdefs{$crstype.'quota'}; } if ($defquota eq '') { @@ -8903,13 +9146,14 @@ space to be exceeded. Same, if upload of a file directly to a course/community via Course Editor will cause quota for uploaded content for the course to be exceeded. -Inputs: 6 +Inputs: 7 1. username or coursenum 2. domain 3. context ('author' or 'course') 4. filename of file for which action is being requested 5. filesize (kB) of file 6. action being taken: copy or upload. +7. quotatype (in course context -- official, unofficial, community or textbook). Returns: 1 scalar: HTML to display containing warning if quota would be exceeded, otherwise return null. @@ -8919,9 +9163,9 @@ Returns: 1 scalar: HTML to display conta =cut sub excess_filesize_warning { - my ($uname,$udom,$context,$filename,$filesize,$action) = @_; + my ($uname,$udom,$context,$filename,$filesize,$action,$quotatype) = @_; my $current_disk_usage = 0; - my $disk_quota = &get_user_quota($uname,$udom,$context); #expressed in MB + my $disk_quota = &get_user_quota($uname,$udom,$context,$quotatype); #expressed in MB if ($context eq 'author') { my $authorspace = $Apache::lonnet::perlvar{'lonDocRoot'}."/priv/$udom/$uname"; $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,$authorspace); @@ -8932,10 +9176,10 @@ sub excess_filesize_warning { } $disk_quota = int($disk_quota * 1000); if (($current_disk_usage + $filesize) > $disk_quota) { - return '

'. + return '

'. &mt("Unable to $action [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.", - ''.$filename.'',$filesize).''. - '
'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.', + ''.$filename.'',$filesize).'

'. + '

'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.', $disk_quota,$current_disk_usage). '

'; } @@ -9005,7 +9249,7 @@ sub user_picker { } $srchterm = $srch->{'srchterm'}; } - my %lt=&Apache::lonlocal::texthash( + my %html_lt=&Apache::lonlocal::texthash( 'usr' => 'Search criteria', 'doma' => 'Domain/institution to search', 'uname' => 'username', @@ -9018,6 +9262,8 @@ sub user_picker { 'exact' => 'is', 'contains' => 'contains', 'begins' => 'begins with', + ); + my %js_lt=&Apache::lonlocal::texthash( 'youm' => "You must include some text to search for.", 'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.", 'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.", @@ -9027,6 +9273,8 @@ sub user_picker { 'whse' => "When searching by last,first you must include at least one character in the first name.", 'thfo' => "The following need to be corrected before the search can be run:", ); + &html_escape(\%html_lt); + &js_escape(\%js_lt); my $domform = &select_dom_form($currdom,'srchdomain',1,1); my $srchinsel = ' \n"; @@ -9053,10 +9301,10 @@ sub user_picker { foreach my $option ('lastname','lastfirst','uname') { if ($curr_selected{'srchby'} eq $option) { $srchbysel .= ' - '; + '; } else { $srchbysel .= ' - '; + '; } } $srchbysel .= "\n \n"; @@ -9065,10 +9313,10 @@ sub user_picker { foreach my $option ('begins','contains','exact') { if ($curr_selected{'srchtype'} eq $option) { $srchtypesel .= ' - '; + '; } else { $srchtypesel .= ' - '; + '; } } $srchtypesel .= "\n \n"; @@ -9153,46 +9401,46 @@ function validateEntry(callingForm) { if (srchterm == "") { checkok = 0; - msg += "$lt{'youm'}\\n"; + msg += "$js_lt{'youm'}\\n"; } if (srchtype== 'begins') { if (srchterm.length < 2) { checkok = 0; - msg += "$lt{'thte'}\\n"; + msg += "$js_lt{'thte'}\\n"; } } if (srchtype== 'contains') { if (srchterm.length < 3) { checkok = 0; - msg += "$lt{'thet'}\\n"; + msg += "$js_lt{'thet'}\\n"; } } if (srchin == 'instd') { if (srchdomain == '') { checkok = 0; - msg += "$lt{'yomc'}\\n"; + msg += "$js_lt{'yomc'}\\n"; } } if (srchin == 'dom') { if (srchdomain == '') { checkok = 0; - msg += "$lt{'ymcd'}\\n"; + msg += "$js_lt{'ymcd'}\\n"; } } if (srchby == 'lastfirst') { if (srchterm.indexOf(",") == -1) { checkok = 0; - msg += "$lt{'whus'}\\n"; + msg += "$js_lt{'whus'}\\n"; } if (srchterm.indexOf(",") == srchterm.length -1) { checkok = 0; - msg += "$lt{'whse'}\\n"; + msg += "$js_lt{'whse'}\\n"; } } if (checkok == 0) { - alert("$lt{'thfo'}\\n"+msg); + alert("$js_lt{'thfo'}\\n"+msg); return; } if (checkok == 1) { @@ -9210,10 +9458,10 @@ $new_user_create END_BLOCK $output .= &Apache::lonhtmlcommon::start_pick_box(). - &Apache::lonhtmlcommon::row_title($lt{'doma'}). + &Apache::lonhtmlcommon::row_title($html_lt{'doma'}). $domform. &Apache::lonhtmlcommon::row_closure(). - &Apache::lonhtmlcommon::row_title($lt{'usr'}). + &Apache::lonhtmlcommon::row_title($html_lt{'usr'}). $srchbysel. $srchtypesel. ''. @@ -9226,56 +9474,160 @@ END_BLOCK sub user_rule_check { my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_; - my $response; + my ($response,%inst_response); if (ref($usershash) eq 'HASH') { - foreach my $user (keys(%{$usershash})) { - my ($uname,$udom) = split(/:/,$user); - next if ($udom eq '' || $uname eq ''); - my ($id,$newuser); - if (ref($usershash->{$user}) eq 'HASH') { - $newuser = $usershash->{$user}->{'newuser'}; - $id = $usershash->{$user}->{'id'}; - } - my $inst_response; + if (keys(%{$usershash}) > 1) { + my (%by_username,%by_id,%userdoms); + my $checkid; if (ref($checks) eq 'HASH') { - if (defined($checks->{'username'})) { - ($inst_response,%{$inst_results->{$user}}) = - &Apache::lonnet::get_instuser($udom,$uname); - } elsif (defined($checks->{'id'})) { - ($inst_response,%{$inst_results->{$user}}) = - &Apache::lonnet::get_instuser($udom,undef,$id); + if ((!defined($checks->{'username'})) && (defined($checks->{'id'}))) { + $checkid = 1; + } + } + foreach my $user (keys(%{$usershash})) { + my ($uname,$udom) = split(/:/,$user); + if ($checkid) { + if (ref($usershash->{$user}) eq 'HASH') { + if ($usershash->{$user}->{'id'} ne '') { + $by_id{$udom}{$usershash->{$user}->{'id'}} = $uname; + $userdoms{$udom} = 1; + if (ref($inst_results) eq 'HASH') { + $inst_results->{$uname.':'.$udom} = {}; + } + } + } + } else { + $by_username{$udom}{$uname} = 1; + $userdoms{$udom} = 1; + if (ref($inst_results) eq 'HASH') { + $inst_results->{$uname.':'.$udom} = {}; + } + } + } + foreach my $udom (keys(%userdoms)) { + if (!$got_rules->{$udom}) { + my %domconfig = &Apache::lonnet::get_dom('configuration', + ['usercreation'],$udom); + if (ref($domconfig{'usercreation'}) eq 'HASH') { + foreach my $item ('username','id') { + if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') { + $$curr_rules{$udom}{$item} = + $domconfig{'usercreation'}{$item.'_rule'}; + } + } + } + $got_rules->{$udom} = 1; + } + } + if ($checkid) { + foreach my $udom (keys(%by_id)) { + my ($outcome,$results) = &Apache::lonnet::get_multiple_instusers($udom,$by_id{$udom},'id'); + if ($outcome eq 'ok') { + foreach my $id (keys(%{$by_id{$udom}})) { + my $uname = $by_id{$udom}{$id}; + $inst_response{$uname.':'.$udom} = $outcome; + } + if (ref($results) eq 'HASH') { + foreach my $uname (keys(%{$results})) { + if (exists($inst_response{$uname.':'.$udom})) { + $inst_response{$uname.':'.$udom} = $outcome; + $inst_results->{$uname.':'.$udom} = $results->{$uname}; + } + } + } + } } } else { - ($inst_response,%{$inst_results->{$user}}) = - &Apache::lonnet::get_instuser($udom,$uname); - return; + foreach my $udom (keys(%by_username)) { + my ($outcome,$results) = &Apache::lonnet::get_multiple_instusers($udom,$by_username{$udom}); + if ($outcome eq 'ok') { + foreach my $uname (keys(%{$by_username{$udom}})) { + $inst_response{$uname.':'.$udom} = $outcome; + } + if (ref($results) eq 'HASH') { + foreach my $uname (keys(%{$results})) { + $inst_results->{$uname.':'.$udom} = $results->{$uname}; + } + } + } + } } - if (!$got_rules->{$udom}) { - my %domconfig = &Apache::lonnet::get_dom('configuration', - ['usercreation'],$udom); - if (ref($domconfig{'usercreation'}) eq 'HASH') { - foreach my $item ('username','id') { - if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') { - $$curr_rules{$udom}{$item} = - $domconfig{'usercreation'}{$item.'_rule'}; + } elsif (keys(%{$usershash}) == 1) { + my $user = (keys(%{$usershash}))[0]; + my ($uname,$udom) = split(/:/,$user); + if (($udom ne '') && ($uname ne '')) { + if (ref($usershash->{$user}) eq 'HASH') { + if (ref($checks) eq 'HASH') { + if (defined($checks->{'username'})) { + ($inst_response{$user},%{$inst_results->{$user}}) = + &Apache::lonnet::get_instuser($udom,$uname); + } elsif (defined($checks->{'id'})) { + if ($usershash->{$user}->{'id'} ne '') { + ($inst_response{$user},%{$inst_results->{$user}}) = + &Apache::lonnet::get_instuser($udom,undef, + $usershash->{$user}->{'id'}); + } else { + ($inst_response{$user},%{$inst_results->{$user}}) = + &Apache::lonnet::get_instuser($udom,$uname); + } + } + } else { + ($inst_response{$user},%{$inst_results->{$user}}) = + &Apache::lonnet::get_instuser($udom,$uname); + return; + } + if (!$got_rules->{$udom}) { + my %domconfig = &Apache::lonnet::get_dom('configuration', + ['usercreation'],$udom); + if (ref($domconfig{'usercreation'}) eq 'HASH') { + foreach my $item ('username','id') { + if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') { + $$curr_rules{$udom}{$item} = + $domconfig{'usercreation'}{$item.'_rule'}; + } + } } + $got_rules->{$udom} = 1; } } - $got_rules->{$udom} = 1; + } else { + return; + } + } else { + return; + } + foreach my $user (keys(%{$usershash})) { + my ($uname,$udom) = split(/:/,$user); + next if (($udom eq '') || ($uname eq '')); + my $id; + if (ref($inst_results) eq 'HASH') { + if (ref($inst_results->{$user}) eq 'HASH') { + $id = $inst_results->{$user}->{'id'}; + } + } + if ($id eq '') { + if (ref($usershash->{$user})) { + $id = $usershash->{$user}->{'id'}; + } } foreach my $item (keys(%{$checks})) { if (ref($$curr_rules{$udom}) eq 'HASH') { if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') { if (@{$$curr_rules{$udom}{$item}} > 0) { - my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item}); + my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item, + $$curr_rules{$udom}{$item}); foreach my $rule (@{$$curr_rules{$udom}{$item}}) { if ($rule_check{$rule}) { $$rulematch{$user}{$item} = $rule; - if ($inst_response eq 'ok') { + if ($inst_response{$user} eq 'ok') { if (ref($inst_results) eq 'HASH') { if (ref($inst_results->{$user}) eq 'HASH') { if (keys(%{$inst_results->{$user}}) == 0) { $$alerts{$item}{$udom}{$uname} = 1; + } elsif ($item eq 'id') { + if ($inst_results->{$user}->{'id'} eq '') { + $$alerts{$item}{$udom}{$uname} = 1; + } } } } @@ -9386,7 +9738,14 @@ sub personal_data_fieldtitles { sub sorted_inst_types { my ($dom) = @_; - my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom); + my ($usertypes,$order); + my %domdefaults = &Apache::lonnet::get_domain_defaults($dom); + if (ref($domdefaults{'inststatus'}) eq 'HASH') { + $usertypes = $domdefaults{'inststatus'}{'inststatustypes'}; + $order = $domdefaults{'inststatus'}{'inststatusorder'}; + } else { + ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom); + } my $othertitle = &mt('All users'); if ($env{'request.course.id'}) { $othertitle = &mt('Any users'); @@ -9536,7 +9895,9 @@ reservable_now - ref to hash of student_ Keys in inner hash are: (a) symb: either blank or symb to which slot use is restricted. - (b) endreserve: end date of reservation period. + (b) endreserve: end date of reservation period. + (c) uniqueperiod: start,end dates when slot is to be uniquely + selected. sorted_future - ref to array of student_schedulable slots reservable in the future, ordered by start date of reservation period. @@ -9547,6 +9908,8 @@ future_reservable - ref to hash of stude Keys in inner hash are: (a) symb: either blank or symb to which slot use is restricted. (b) startreserve: start date of reservation period. + (c) uniqueperiod: start,end dates when slot is to be uniquely + selected. =back @@ -9600,6 +9963,10 @@ sub get_future_slots { my $startreserve = $slots{$slot}->{'startreserve'}; my $endreserve = $slots{$slot}->{'endreserve'}; my $symb = $slots{$slot}->{'symb'}; + my $uniqueperiod; + if (ref($slots{$slot}->{'uniqueperiod'}) eq 'ARRAY') { + $uniqueperiod = join(',',@{$slots{$slot}->{'uniqueperiod'}}); + } if (($startreserve < $now) && (!$endreserve || $endreserve > $now)) { my $lastres = $endreserve; @@ -9608,13 +9975,15 @@ sub get_future_slots { } $reservable_now{$slot} = { symb => $symb, - endreserve => $lastres + endreserve => $lastres, + uniqueperiod => $uniqueperiod, }; } elsif (($startreserve > $now) && (!$endreserve || $endreserve > $startreserve)) { $future_reservable{$slot} = { symb => $symb, - startreserve => $startreserve + startreserve => $startreserve, + uniqueperiod => $uniqueperiod, }; } } @@ -9849,7 +10218,15 @@ sub ask_for_embedded_content { ($path) = ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/}); } - $fileloc = &Apache::lonnet::filelocation('',$toplevel); + if ($toplevel=~/^\/*(uploaded|editupload)/) { + $fileloc = $toplevel; + $fileloc=~ s/^\s*(\S+)\s*$/$1/; + my ($udom,$uname,$fname) = + ($fileloc=~ m{^/+(?:uploaded|editupload)/+($match_domain)/+($match_name)/+(.*)$}); + $fileloc = propath($udom,$uname).'/userfiles/'.$fname; + } else { + $fileloc = &Apache::lonnet::filelocation('',$toplevel); + } $fileloc =~ s{^/}{}; ($filename) = ($fileloc =~ m{.+/([^/]+)$}); $heading = &mt('Status of dependencies in [_1]',"$title ($filename)"); @@ -10880,11 +11257,11 @@ sub check_for_upload { if ($currsize < $filesize) { my $extra = $filesize - $currsize; if (($current_disk_usage + $extra) > $disk_quota) { - my $msg = ''. + my $msg = '

'. &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded if existing (smaller) file with same name (size = [_3] kilobytes) is replaced.', - ''.$fname.'',$filesize,$currsize).''. - '
'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.', - $disk_quota,$current_disk_usage); + ''.$fname.'',$filesize,$currsize).'

'. + '

'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.', + $disk_quota,$current_disk_usage).'

'; return ('will_exceed_quota',$msg); } } @@ -10893,21 +11270,21 @@ sub check_for_upload { } } if (($current_disk_usage + $filesize) > $disk_quota){ - my $msg = ''. - &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.',''.$fname.'',$filesize).''. - '
'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage); + my $msg = '

'. + &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.',''.$fname.'',$filesize).'

'. + '

'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage).'

'; return ('will_exceed_quota',$msg); } elsif ($found_file) { if ($locked_file) { - my $msg = ''; + my $msg = '

'; $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].',''.$fname.'',''.$port_path.$env{'form.currentpath'}.''); - $msg .= '
'; + $msg .= '

'; $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.',''.$fname.''); return ('file_locked',$msg); } else { - my $msg = ''; + my $msg = '

'; $msg .= &mt(' A file by that name: [_1] was found in [_2].',''.$fname.'',$port_path.$env{'form.currentpath'}); - $msg .= ''; + $msg .= '

'; return ('existingfile',$msg); } } @@ -10998,16 +11375,66 @@ sub decompress_form { } } if ($mimetype =~ m{^application/(x\-)?(compressed|zip)}) { - my @camtasia = ("$topdir/","$topdir/index.html", + my @camtasia6 = ("$topdir/","$topdir/index.html", "$topdir/media/", "$topdir/media/$topdir.mp4", "$topdir/media/FirstFrame.png", "$topdir/media/player.swf", "$topdir/media/swfobject.js", "$topdir/media/expressInstall.swf"); - my @diffs = &compare_arrays(\@paths,\@camtasia); + my @camtasia8_1 = ("$topdir/","$topdir/$topdir.html", + "$topdir/$topdir.mp4", + "$topdir/$topdir\_config.xml", + "$topdir/$topdir\_controller.swf", + "$topdir/$topdir\_embed.css", + "$topdir/$topdir\_First_Frame.png", + "$topdir/$topdir\_player.html", + "$topdir/$topdir\_Thumbnails.png", + "$topdir/playerProductInstall.swf", + "$topdir/scripts/", + "$topdir/scripts/config_xml.js", + "$topdir/scripts/handlebars.js", + "$topdir/scripts/jquery-1.7.1.min.js", + "$topdir/scripts/jquery-ui-1.8.15.custom.min.js", + "$topdir/scripts/modernizr.js", + "$topdir/scripts/player-min.js", + "$topdir/scripts/swfobject.js", + "$topdir/skins/", + "$topdir/skins/configuration_express.xml", + "$topdir/skins/express_show/", + "$topdir/skins/express_show/player-min.css", + "$topdir/skins/express_show/spritesheet.png"); + my @camtasia8_4 = ("$topdir/","$topdir/$topdir.html", + "$topdir/$topdir.mp4", + "$topdir/$topdir\_config.xml", + "$topdir/$topdir\_controller.swf", + "$topdir/$topdir\_embed.css", + "$topdir/$topdir\_First_Frame.png", + "$topdir/$topdir\_player.html", + "$topdir/$topdir\_Thumbnails.png", + "$topdir/playerProductInstall.swf", + "$topdir/scripts/", + "$topdir/scripts/config_xml.js", + "$topdir/scripts/techsmith-smart-player.min.js", + "$topdir/skins/", + "$topdir/skins/configuration_express.xml", + "$topdir/skins/express_show/", + "$topdir/skins/express_show/spritesheet.min.css", + "$topdir/skins/express_show/spritesheet.png", + "$topdir/skins/express_show/techsmith-smart-player.min.css"); + my @diffs = &compare_arrays(\@paths,\@camtasia6); if (@diffs == 0) { - $is_camtasia = 1; + $is_camtasia = 6; + } else { + @diffs = &compare_arrays(\@paths,\@camtasia8_1); + if (@diffs == 0) { + $is_camtasia = 8; + } else { + @diffs = &compare_arrays(\@paths,\@camtasia8_4); + if (@diffs == 0) { + $is_camtasia = 8; + } + } } } my $output; @@ -11019,8 +11446,7 @@ sub decompress_form { function camtasiaToggle() { for (var i=0; i'. ''.$lt{'proa'}.' 
'. @@ -11205,7 +11631,7 @@ sub decompress_uploaded_file { sub process_decompression { my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_; my ($dir,$error,$warning,$output); - if ($file !~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) { + if ($file !~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/i) { $error = &mt('Filename not a supported archive file type.'). '
'.&mt('Filename should end with one of: [_1].', '.zip, .tar, .bz2, .gz, .tar.gz, .tar.bz2, .tgz'); @@ -11315,6 +11741,7 @@ sub process_decompression { \%titles,\%children); } if ($env{'form.autoextract_camtasia'}) { + my $version = $env{'form.autoextract_camtasia'}; my %displayed; my $total = 1; $env{'form.archive_directory'} = []; @@ -11333,12 +11760,15 @@ sub process_decompression { $env{'form.archive_'.$i} = 'display'; $env{'form.archive_title_'.$i} = $env{'form.camtasia_foldername'}; $displayed{'folder'} = $i; - } elsif ($item eq "$contents[0]/index.html") { + } elsif ((($item eq "$contents[0]/index.html") && ($version == 6)) || + (($item eq "$contents[0]/$contents[0]".'.html') && ($version == 8))) { $env{'form.archive_'.$i} = 'display'; $env{'form.archive_title_'.$i} = $env{'form.camtasia_moviename'}; $displayed{'web'} = $i; } else { - if ($item eq "$contents[0]/media") { + if ((($item eq "$contents[0]/media") && ($version == 6)) || + ((($item eq "$contents[0]/scripts") || ($item eq "$contents[0]/skins") || + ($item eq "$contents[0]/skins/express_show")) && ($version == 8))) { push(@{$env{'form.archive_directory'}},$i); } $env{'form.archive_'.$i} = 'dependency'; @@ -13592,6 +14022,12 @@ sub assign_category_rows { return $text; } +=pod + +=back + +=cut + ############################################################ ############################################################ @@ -13809,33 +14245,91 @@ sub check_clone { (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) { $can_clone = 1; } else { - my %clonehash = &Apache::lonnet::get('environment',['cloners'], + my %clonehash = &Apache::lonnet::get('environment',['cloners','internal.coursecode'], $args->{'clonedomain'},$args->{'clonecourse'}); - my @cloners = split(/,/,$clonehash{'cloners'}); - if (grep(/^\*$/,@cloners)) { - $can_clone = 1; - } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) { - $can_clone = 1; + if ($clonehash{'cloners'} eq '') { + my %domdefs = &Apache::lonnet::get_domain_defaults($args->{'course_domain'}); + if ($domdefs{'canclone'}) { + unless ($domdefs{'canclone'} eq 'none') { + if ($domdefs{'canclone'} eq 'domain') { + if ($args->{'ccdomain'} eq $args->{'clonedomain'}) { + $can_clone = 1; + } + } elsif (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) && + ($args->{'clonedomain'} eq $args->{'course_domain'})) { + if (&Apache::lonnet::default_instcode_cloning($args->{'clonedomain'},$domdefs{'canclone'}, + $clonehash{'internal.coursecode'},$args->{'crscode'})) { + $can_clone = 1; + } + } + } + } } else { + my @cloners = split(/,/,$clonehash{'cloners'}); + if (grep(/^\*$/,@cloners)) { + $can_clone = 1; + } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) { + $can_clone = 1; + } elsif (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners)) { + $can_clone = 1; + } + unless ($can_clone) { + if (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) && + ($args->{'clonedomain'} eq $args->{'course_domain'})) { + my (%gotdomdefaults,%gotcodedefaults); + foreach my $cloner (@cloners) { + if (($cloner ne '*') && ($cloner !~ /^\*\:$match_domain$/) && + ($cloner !~ /^$match_username\:$match_domain$/) && ($cloner ne '')) { + my (%codedefaults,@code_order); + if (ref($gotcodedefaults{$args->{'clonedomain'}}) eq 'HASH') { + if (ref($gotcodedefaults{$args->{'clonedomain'}}{'defaults'}) eq 'HASH') { + %codedefaults = %{$gotcodedefaults{$args->{'clonedomain'}}{'defaults'}}; + } + if (ref($gotcodedefaults{$args->{'clonedomain'}}{'order'}) eq 'ARRAY') { + @code_order = @{$gotcodedefaults{$args->{'clonedomain'}}{'order'}}; + } + } else { + &Apache::lonnet::auto_instcode_defaults($args->{'clonedomain'}, + \%codedefaults, + \@code_order); + $gotcodedefaults{$args->{'clonedomain'}}{'defaults'} = \%codedefaults; + $gotcodedefaults{$args->{'clonedomain'}}{'order'} = \@code_order; + } + if (@code_order > 0) { + if (&Apache::lonnet::check_instcode_cloning(\%codedefaults,\@code_order, + $cloner,$clonehash{'internal.coursecode'}, + $args->{'crscode'})) { + $can_clone = 1; + last; + } + } + } + } + } + } + } + unless ($can_clone) { my $ccrole = 'cc'; if ($args->{'crstype'} eq 'Community') { $ccrole = 'co'; } - my %roleshash = - &Apache::lonnet::get_my_roles($args->{'ccuname'}, - $args->{'ccdomain'}, - 'userroles',['active'],[$ccrole], - [$args->{'clonedomain'}]); - if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) { + my %roleshash = + &Apache::lonnet::get_my_roles($args->{'ccuname'}, + $args->{'ccdomain'}, + 'userroles',['active'],[$ccrole], + [$args->{'clonedomain'}]); + if ($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) { $can_clone = 1; - } elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},$args->{'ccuname'},$args->{'ccdomain'})) { + } elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'}, + $args->{'ccuname'},$args->{'ccdomain'})) { $can_clone = 1; + } + } + unless ($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'},$clonedesc{'description'}); } else { - if ($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'}); - } 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'}); - } + $clonemsg = &mt('No new course created.').$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'},$clonedesc{'description'}); } } } @@ -13844,7 +14338,7 @@ sub check_clone { } sub construct_course { - my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category) = @_; + my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category,$coderef) = @_; my $outcome; my $linefeed = '
'."\n"; if ($context eq 'auto') { @@ -13941,8 +14435,12 @@ sub construct_course { 'plc.users.denied', 'hidefromcat', 'checkforpriv', - 'categories'], + 'categories', + 'internal.uniquecode'], $$crsudom,$$crsunum); + if ($args->{'textbook'}) { + $cenv{'internal.textbook'} = $args->{'textbook'}; + } } # @@ -14104,6 +14602,9 @@ sub construct_course { if ($args->{'setcontent'}) { $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'}; } + if ($args->{'setcomment'}) { + $cenv{'comment.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'}; + } } if ($args->{'reshome'}) { $cenv{'reshome'}=$args->{'reshome'}.'/'; @@ -14126,6 +14627,25 @@ sub construct_course { } } +# +# generate and store uniquecode (available to course requester), if course should have one. +# + if ($args->{'uniquecode'}) { + my ($code,$error) = &make_unique_code($$crsudom,$$crsunum); + if ($code) { + $cenv{'internal.uniquecode'} = $code; + my %crsinfo = + &Apache::lonnet::courseiddump($$crsudom,'.',1,'.','.',$$crsunum,undef,undef,'.'); + if (ref($crsinfo{$$crsudom.'_'.$$crsunum}) eq 'HASH') { + $crsinfo{$$crsudom.'_'.$$crsunum}{'uniquecode'} = $code; + my $putres = &Apache::lonnet::courseidput($$crsudom,\%crsinfo,$crsuhome,'notime'); + } + if (ref($coderef)) { + $$coderef = $code; + } + } + } + if ($args->{'disresdis'}) { $cenv{'pch.roles.denied'}='st'; } @@ -14194,6 +14714,60 @@ sub construct_course { return (1,$outcome); } +sub make_unique_code { + my ($cdom,$cnum) = @_; + # get lock on uniquecodes db + my $lockhash = { + $cnum."\0".'uniquecodes' => $env{'user.name'}. + ':'.$env{'user.domain'}, + }; + my $tries = 0; + my $gotlock = &Apache::lonnet::newput_dom('uniquecodes',$lockhash,$cdom); + my ($code,$error); + + while (($gotlock ne 'ok') && ($tries<3)) { + $tries ++; + sleep 1; + $gotlock = &Apache::lonnet::newput_dom('uniquecodes',$lockhash,$cdom); + } + if ($gotlock eq 'ok') { + my %currcodes = &Apache::lonnet::dump_dom('uniquecodes',$cdom); + my $gotcode; + my $attempts = 0; + while ((!$gotcode) && ($attempts < 100)) { + $code = &generate_code(); + if (!exists($currcodes{$code})) { + $gotcode = 1; + unless (&Apache::lonnet::newput_dom('uniquecodes',{ $code => $cnum },$cdom) eq 'ok') { + $error = 'nostore'; + } + } + $attempts ++; + } + my @del_lock = ($cnum."\0".'uniquecodes'); + my $dellockoutcome = &Apache::lonnet::del_dom('uniquecodes',\@del_lock,$cdom); + } else { + $error = 'nolock'; + } + return ($code,$error); +} + +sub generate_code { + my $code; + my @letts = qw(B C D G H J K M N P Q R S T V W X Z); + for (my $i=0; $i<6; $i++) { + my $lettnum = int (rand 2); + my $item = ''; + if ($lettnum) { + $item = $letts[int( rand(18) )]; + } else { + $item = 1+int( rand(8) ); + } + $code .= $item; + } + return $code; +} + ############################################################ ############################################################ @@ -14221,11 +14795,12 @@ sub group_term { } sub course_types { - my @types = ('official','unofficial','community'); + my @types = ('official','unofficial','community','textbook'); my %typename = ( official => 'Official course', unofficial => 'Unofficial course', community => 'Community', + textbook => 'Textbook course', ); return (\@types,\%typename); } @@ -14286,7 +14861,7 @@ sub escape_url { my ($url) = @_; my @urlslices = split(/\//, $url,-1); my $lastitem = &escape(pop(@urlslices)); - return join('/',@urlslices).'/'.$lastitem; + return &HTML::Entities::encode(join('/',@urlslices),"'").'/'.$lastitem; } sub compare_arrays { @@ -14344,6 +14919,17 @@ sub init_user_environment { } } closedir(DIR); +# If there is a undeleted lockfile for the user's paste buffer remove it. + my $namespace = 'nohist_courseeditor'; + my $lockingkey = 'paste'."\0".'locked_num'; + my %lockhash = &Apache::lonnet::get($namespace,[$lockingkey], + $domain,$username); + if (exists($lockhash{$lockingkey})) { + my $delresult = &Apache::lonnet::del($namespace,[$lockingkey],$domain,$username); + unless ($delresult eq 'ok') { + &Apache::lonnet::logthis("Failed to delete paste buffer locking key in $namespace for ".$username.":".$domain." Result was: $delresult"); + } + } } # Give them a new cookie my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'} @@ -14357,8 +14943,8 @@ sub init_user_environment { } # ------------------------------------ Check browser type and MathML capability - my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml, - $clientunicode,$clientos,$clientmobile,$clientinfo) = &decode_user_agent($r); + my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,$clientunicode, + $clientos,$clientmobile,$clientinfo,$clientosversion) = &decode_user_agent($r); # ------------------------------------------------------------- Get environment @@ -14391,6 +14977,7 @@ sub init_user_environment { "browser.os" => $clientos, "browser.mobile" => $clientmobile, "browser.info" => $clientinfo, + "browser.osversion" => $clientosversion, "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'}, "request.course.fn" => '', "request.course.uri" => '', @@ -14428,7 +15015,7 @@ sub init_user_environment { undef,\%userenv,\%domdef,\%is_adv); } - foreach my $crstype ('official','unofficial','community') { + foreach my $crstype ('official','unofficial','community','textbook') { $userenv{'canrequest.'.$crstype} = &Apache::lonnet::usertools_access($username,$domain,$crstype, 'reload','requestcourses', @@ -14533,36 +15120,745 @@ sub clean_symb { return ($symb,$enc); } -sub build_release_hashes { - my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_; - return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') && - (ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') && - (ref($randomizetry) eq 'HASH')); - foreach my $key (keys(%Apache::lonnet::needsrelease)) { - my ($item,$name,$value) = split(/:/,$key); - if ($item eq 'parameter') { - if (ref($checkparms->{$name}) eq 'ARRAY') { - unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) { - push(@{$checkparms->{$name}},$value); - } +############################################################ +############################################################ + +=pod + +=head1 Routines for building display used to search for courses + + +=over 4 + +=item * &build_filters() + +Create markup for a table used to set filters to use when selecting +courses in a domain. Used by lonpickcourse.pm, lonmodifycourse.pm +and quotacheck.pl + + +Inputs: + +filterlist - anonymous array of fields to include as potential filters + +crstype - course type + +roleelement - fifth arg in selectcourse_link() populates fifth arg in javascript: opencrsbrowser() function, used + to pop-open a course selector (will contain "extra element"). + +multelement - if multiple course selections will be allowed, this will be a hidden form element: name: multiple; value: 1 + +filter - anonymous hash of criteria and their values + +action - form action + +numfiltersref - ref to scalar (count of number of elements in institutional codes -- e.g., 4 for year, semester, department, and number) + +caller - caller context (e.g., set to 'modifycourse' when routine is called from lonmodifycourse.pm) + +cloneruname - username of owner of new course who wants to clone + +clonerudom - domain of owner of new course who wants to clone + +typeelem - text to use for left column in row containing course type (i.e., Course, Community or Course/Community) + +codetitlesref - reference to array of titles of components in institutional codes (official courses) + +codedom - domain + +formname - value of form element named "form". + +fixeddom - domain, if fixed. + +prevphase - value to assign to form element named "phase" when going back to the previous screen + +cnameelement - name of form element in form on opener page which will receive title of selected course + +cnumelement - name of form element in form on opener page which will receive courseID of selected course + +cdomelement - name of form element in form on opener page which will receive domain of selected course + +setroles - includes access constraint identifier when setting a roles-based condition for acces to a portfolio file + +clonetext - hidden form elements containing list of courses cloneable by intended course owner when DC creates a course + +clonewarning - warning message about missing information for intended course owner when DC creates a course + + +Returns: $output - HTML for display of search criteria, and hidden form elements. + + +Side Effects: None + +=cut + +# ---------------------------------------------- search for courses based on last activity etc. + +sub build_filters { + my ($filterlist,$crstype,$roleelement,$multelement,$filter,$action, + $numtitlesref,$caller,$cloneruname,$clonerudom,$typeelement, + $codetitlesref,$codedom,$formname,$fixeddom,$prevphase, + $cnameelement,$cnumelement,$cdomelement,$setroles, + $clonetext,$clonewarning) = @_; + my ($list,$jscript); + my $onchange = 'javascript:updateFilters(this)'; + my ($domainselectform,$sincefilterform,$createdfilterform, + $ownerdomselectform,$persondomselectform,$instcodeform, + $typeselectform,$instcodetitle); + if ($formname eq '') { + $formname = $caller; + } + foreach my $item (@{$filterlist}) { + unless (($item eq 'descriptfilter') || ($item eq 'instcodefilter') || + ($item eq 'sincefilter') || ($item eq 'createdfilter')) { + if ($item eq 'domainfilter') { + $filter->{$item} = &LONCAPA::clean_domain($filter->{$item}); + } elsif ($item eq 'coursefilter') { + $filter->{$item} = &LONCAPA::clean_courseid($filter->{$item}); + } elsif ($item eq 'ownerfilter') { + $filter->{$item} = &LONCAPA::clean_username($filter->{$item}); + } elsif ($item eq 'ownerdomfilter') { + $filter->{'ownerdomfilter'} = + &LONCAPA::clean_domain($filter->{$item}); + $ownerdomselectform = &select_dom_form($filter->{'ownerdomfilter'}, + 'ownerdomfilter',1); + } elsif ($item eq 'personfilter') { + $filter->{$item} = &LONCAPA::clean_username($filter->{$item}); + } elsif ($item eq 'persondomfilter') { + $persondomselectform = &select_dom_form($filter->{'persondomfilter'}, + 'persondomfilter',1); } else { - push(@{$checkparms->{$name}},$value); + $filter->{$item} =~ s/\W//g; } - } elsif ($item eq 'resourcetag') { - if ($name eq 'responsetype') { - $checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key} + if (!$filter->{$item}) { + $filter->{$item} = ''; } - } elsif ($item eq 'course') { - if ($name eq 'crstype') { - $checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key}; + } + if ($item eq 'domainfilter') { + my $allow_blank = 1; + if ($formname eq 'portform') { + $allow_blank=0; + } elsif ($formname eq 'studentform') { + $allow_blank=0; + } + if ($fixeddom) { + $domainselectform = ''. + &Apache::lonnet::domain($codedom,'description'); + } else { + $domainselectform = &select_dom_form($filter->{$item}, + 'domainfilter', + $allow_blank,'',$onchange); } + } else { + $list->{$item} = &HTML::Entities::encode($filter->{$item},'<>&"'); } } - ($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'}); - ($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'}); + + # last course activity filter and selection + $sincefilterform = &timebased_select_form('sincefilter',$filter); + + # course created filter and selection + if (exists($filter->{'createdfilter'})) { + $createdfilterform = &timebased_select_form('createdfilter',$filter); + } + + my %lt = &Apache::lonlocal::texthash( + 'cac' => "$crstype Activity", + 'ccr' => "$crstype Created", + 'cde' => "$crstype Title", + 'cdo' => "$crstype Domain", + 'ins' => 'Institutional Code', + 'inc' => 'Institutional Categorization', + 'cow' => "$crstype Owner/Co-owner", + 'cop' => "$crstype Personnel Includes", + 'cog' => 'Type', + ); + + if (($formname eq 'ccrs') || ($formname eq 'requestcrs')) { + my $typeval = 'Course'; + if ($crstype eq 'Community') { + $typeval = 'Community'; + } + $typeselectform = ''; + } else { + $typeselectform = '"; + } + + my ($cloneableonlyform,$cloneabletitle); + if (exists($filter->{'cloneableonly'})) { + my $cloneableon = ''; + my $cloneableoff = ' checked="checked"'; + if ($filter->{'cloneableonly'}) { + $cloneableon = $cloneableoff; + $cloneableoff = ''; + } + $cloneableonlyform = ''.(' 'x3).''; + if ($formname eq 'ccrs') { + $cloneabletitle = &mt('Cloneable for [_1]',$cloneruname.':'.$clonerudom); + } else { + $cloneabletitle = &mt('Cloneable by you'); + } + } + my $officialjs; + if ($crstype eq 'Course') { + if (exists($filter->{'instcodefilter'})) { +# if (($fixeddom) || ($formname eq 'requestcrs') || +# ($formname eq 'modifycourse') || ($formname eq 'filterpicker')) { + if ($codedom) { + $officialjs = 1; + ($instcodeform,$jscript,$$numtitlesref) = + &Apache::courseclassifier::instcode_selectors($codedom,'filterpicker', + $officialjs,$codetitlesref); + if ($jscript) { + $jscript = ''."\n"; + } + } + if ($instcodeform eq '') { + $instcodeform = + ''; + $instcodetitle = $lt{'ins'}; + } else { + $instcodetitle = $lt{'inc'}; + } + if ($fixeddom) { + $instcodetitle .= '
('.$codedom.')'; + } + } + } + my $output = qq| +
+ +|; + if ($formname eq 'modifycourse') { + $output .= ''."\n". + ''."\n"; + } elsif ($formname eq 'quotacheck') { + $output .= qq| + + +|; + } else { + my $name_input; + if ($cnameelement ne '') { + $name_input = ''; + } + $output .= qq| + + +$name_input +$roleelement +$multelement +$typeelement +|; + if ($formname eq 'portform') { + $output .= ''."\n"; + } + } + if ($fixeddom) { + $output .= ''."\n"; + } + $output .= "
\n".&Apache::lonhtmlcommon::start_pick_box(); + if ($sincefilterform) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cac'}) + .$sincefilterform + .&Apache::lonhtmlcommon::row_closure(); + } + if ($createdfilterform) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'ccr'}) + .$createdfilterform + .&Apache::lonhtmlcommon::row_closure(); + } + if ($domainselectform) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cdo'}) + .$domainselectform + .&Apache::lonhtmlcommon::row_closure(); + } + if ($typeselectform) { + if (($formname eq 'ccrs') || ($formname eq 'requestcrs')) { + $output .= $typeselectform; + } else { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cog'}) + .$typeselectform + .&Apache::lonhtmlcommon::row_closure(); + } + } + if ($instcodeform) { + $output .= &Apache::lonhtmlcommon::row_title($instcodetitle) + .$instcodeform + .&Apache::lonhtmlcommon::row_closure(); + } + if (exists($filter->{'ownerfilter'})) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cow'}). + '
'.&mt('Username').'
'. + '		'.&mt('Domain').'
'. + $ownerdomselectform.'
'. + &Apache::lonhtmlcommon::row_closure(); + } + if (exists($filter->{'personfilter'})) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cop'}). + '
'.&mt('Username').'
'. + '		'.&mt('Domain').'
'. + $persondomselectform.'
'. + &Apache::lonhtmlcommon::row_closure(); + } + if (exists($filter->{'coursefilter'})) { + $output .= &Apache::lonhtmlcommon::row_title(&mt('LON-CAPA course ID')) + .'' + .&Apache::lonhtmlcommon::row_closure(); + } + if ($cloneableonlyform) { + $output .= &Apache::lonhtmlcommon::row_title($cloneabletitle). + $cloneableonlyform.&Apache::lonhtmlcommon::row_closure(); + } + if (exists($filter->{'descriptfilter'})) { + $output .= &Apache::lonhtmlcommon::row_title($lt{'cde'}) + .'' + .&Apache::lonhtmlcommon::row_closure(1); + } + $output .= &Apache::lonhtmlcommon::end_pick_box().'

'.$clonetext."\n". + ''."\n". + '

'."\n".'
'."\n".'
'."\n"; + return $jscript.$clonewarning.$output; +} + +=pod + +=item * &timebased_select_form() + +Create markup for a dropdown list used to select a time-based +filter e.g., Course Activity, Course Created, when searching for courses +or communities + +Inputs: + +item - name of form element (sincefilter or createdfilter) + +filter - anonymous hash of criteria and their values + +Returns: HTML for a select box contained a blank, then six time selections, + with value set in incoming form variables currently selected. + +Side Effects: None + +=cut + +sub timebased_select_form { + my ($item,$filter) = @_; + if (ref($filter) eq 'HASH') { + $filter->{$item} =~ s/[^\d-]//g; + if (!$filter->{$item}) { $filter->{$item}=-1; } + return &select_form( + $filter->{$item}, + $item, + { '-1' => '', + '86400' => &mt('today'), + '604800' => &mt('last week'), + '2592000' => &mt('last month'), + '7776000' => &mt('last three months'), + '15552000' => &mt('last six months'), + '31104000' => &mt('last year'), + 'select_form_order' => + ['-1','86400','604800','2592000','7776000', + '15552000','31104000']}); + } +} + +=pod + +=item * &js_changer() + +Create script tag containing Javascript used to submit course search form +when course type or domain is changed, and also to hide 'Searching ...' on +page load completion for page showing search result. + +Inputs: None + +Returns: markup containing updateFilters() and hideSearching() javascript functions. + +Side Effects: None + +=cut + +sub js_changer { + return < +// + + +ENDJS +} + +=pod + +=item * &search_courses() + +Process selected filters form course search form and pass to lonnet::courseiddump +to retrieve a hash for which keys are courseIDs which match the selected filters. + +Inputs: + +dom - domain being searched + +type - course type ('Course' or 'Community' or '.' if any). + +filter - anonymous hash of criteria and their values + +numtitles - for institutional codes - number of categories + +cloneruname - optional username of new course owner + +clonerudom - optional domain of new course owner + +domcloner - optional "domcloner" flag; has value=1 if user has ccc priv in domain being filtered by, + (used when DC is using course creation form) + +codetitles - reference to array of titles of components in institutional codes (official courses). + +cc_clone - escaped comma separated list of courses for which course cloner has active CC role + (and so can clone automatically) + +reqcrsdom - domain of new course, where search_courses is used to identify potential courses to clone + +reqinstcode - institutional code of new course, where search_courses is used to identify potential + courses to clone + +Returns: %courses - hash of courses satisfying search criteria, keys = course IDs, values are corresponding colon-separated escaped description, institutional code, owner and type. + + +Side Effects: None + +=cut + + +sub search_courses { + my ($dom,$type,$filter,$numtitles,$cloneruname,$clonerudom,$domcloner,$codetitles, + $cc_clone,$reqcrsdom,$reqinstcode) = @_; + my (%courses,%showcourses,$cloner); + if (($filter->{'ownerfilter'} ne '') || + ($filter->{'ownerdomfilter'} ne '')) { + $filter->{'combownerfilter'} = $filter->{'ownerfilter'}.':'. + $filter->{'ownerdomfilter'}; + } + foreach my $item ('descriptfilter','coursefilter','combownerfilter') { + if (!$filter->{$item}) { + $filter->{$item}='.'; + } + } + my $now = time; + my $timefilter = + ($filter->{'sincefilter'}==-1?1:$now-$filter->{'sincefilter'}); + my ($createdbefore,$createdafter); + if (($filter->{'createdfilter'} ne '') && ($filter->{'createdfilter'} !=-1)) { + $createdbefore = $now; + $createdafter = $now-$filter->{'createdfilter'}; + } + my ($instcodefilter,$regexpok); + if ($numtitles) { + if ($env{'form.official'} eq 'on') { + $instcodefilter = + &Apache::courseclassifier::instcode_search_str($dom,$numtitles,$codetitles); + $regexpok = 1; + } elsif ($env{'form.official'} eq 'off') { + $instcodefilter = &Apache::courseclassifier::instcode_search_str($dom,$numtitles,$codetitles); + unless ($instcodefilter eq '') { + $regexpok = -1; + } + } + } else { + $instcodefilter = $filter->{'instcodefilter'}; + } + if ($instcodefilter eq '') { $instcodefilter = '.'; } + if ($type eq '') { $type = '.'; } + + if (($clonerudom ne '') && ($cloneruname ne '')) { + $cloner = $cloneruname.':'.$clonerudom; + } + %courses = &Apache::lonnet::courseiddump($dom, + $filter->{'descriptfilter'}, + $timefilter, + $instcodefilter, + $filter->{'combownerfilter'}, + $filter->{'coursefilter'}, + undef,undef,$type,$regexpok,undef,undef, + undef,undef,$cloner,$cc_clone, + $filter->{'cloneableonly'}, + $createdbefore,$createdafter,undef, + $domcloner,undef,$reqcrsdom,$reqinstcode); + if (($filter->{'personfilter'} ne '') && ($filter->{'persondomfilter'} ne '')) { + my $ccrole; + if ($type eq 'Community') { + $ccrole = 'co'; + } else { + $ccrole = 'cc'; + } + my %rolehash = &Apache::lonnet::get_my_roles($filter->{'personfilter'}, + $filter->{'persondomfilter'}, + 'userroles',undef, + [$ccrole,'in','ad','ep','ta','cr'], + $dom); + foreach my $role (keys(%rolehash)) { + my ($cnum,$cdom,$courserole) = split(':',$role); + my $cid = $cdom.'_'.$cnum; + if (exists($courses{$cid})) { + 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); + } + } else { + $courses{$cid}{roles} = [$courserole]; + } + $showcourses{$cid} = $courses{$cid}; + } + } + } + %courses = %showcourses; + } + return %courses; +} + +=pod + +=back + +=head1 Routines for version requirements for current course. + +=over 4 + +=item * &check_release_required() + +Compares required LON-CAPA version with version on server, and +if required version is newer looks for a server with the required version. + +Looks first at servers in user's owen domain; if none suitable, looks at +servers in course's domain are permitted to host sessions for user's domain. + +Inputs: + +$loncaparev - Version on current server (format: Major.Minor.Subrelease-datestamp) + +$courseid - Course ID of current course + +$rolecode - User's current role in course (for switchserver query string). + +$required - LON-CAPA version needed by course (format: Major.Minor). + + +Returns: + +$switchserver - query string tp append to /adm/switchserver call (if + current server's LON-CAPA version is too old. + +$warning - Message is displayed if no suitable server could be found. + +=cut + +sub check_release_required { + my ($loncaparev,$courseid,$rolecode,$required) = @_; + my ($switchserver,$warning); + if ($required ne '') { + my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/); + my ($major,$minor) = ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/); + if ($reqdmajor ne '' && $reqdminor ne '') { + my $otherserver; + if (($major eq '' && $minor eq '') || + (($reqdmajor > $major) || (($reqdmajor == $major) && ($reqdminor > $minor)))) { + my ($userdomserver) = &Apache::lonnet::choose_server($env{'user.domain'},undef,$required,1); + my $switchlcrev = + &Apache::lonnet::get_server_loncaparev($env{'user.domain'}, + $userdomserver); + my ($swmajor,$swminor) = ($switchlcrev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/); + if (($swmajor eq '' && $swminor eq '') || ($reqdmajor > $swmajor) || + (($reqdmajor == $swmajor) && ($reqdminor > $swminor))) { + my $cdom = $env{'course.'.$courseid.'.domain'}; + if ($cdom ne $env{'user.domain'}) { + my ($coursedomserver,$coursehostname) = &Apache::lonnet::choose_server($cdom,undef,$required,1); + my $serverhomeID = &Apache::lonnet::get_server_homeID($coursehostname); + my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID); + my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom); + my %udomdefaults = &Apache::lonnet::get_domain_defaults($env{'user.domain'}); + my $remoterev = &Apache::lonnet::get_server_loncaparev($serverhomedom,$coursedomserver); + my $canhost = + &Apache::lonnet::can_host_session($env{'user.domain'}, + $coursedomserver, + $remoterev, + $udomdefaults{'remotesessions'}, + $defdomdefaults{'hostedsessions'}); + + if ($canhost) { + $otherserver = $coursedomserver; + } else { + $warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$courseid.'.internal.releaserequired'}).'
'. &mt("No suitable server could be found amongst servers in either your own domain or in the course's domain."); + } + } else { + $warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$courseid.'.internal.releaserequired'}).'
'.&mt("No suitable server could be found amongst servers in your own domain (which is also the course's domain)."); + } + } else { + $otherserver = $userdomserver; + } + } + if ($otherserver ne '') { + $switchserver = 'otherserver='.$otherserver.'&role='.$rolecode; + } + } + } + return ($switchserver,$warning); +} + +=pod + +=item * &check_release_result() + +Inputs: + +$switchwarning - Warning message if no suitable server found to host session. + +$switchserver - query string to append to /adm/switchserver containing lonHostID + and current role. + +Returns: HTML to display with information about requirement to switch server. + Either displaying warning with link to Roles/Courses screen or + display link to switchserver. + +=cut + +sub check_release_result { + my ($switchwarning,$switchserver) = @_; + my $output = &start_page('Selected course unavailable on this server'). + '

'; + if ($switchwarning) { + $output .= $switchwarning.'
'; + if (&show_course()) { + $output .= &mt('Display courses'); + } else { + $output .= &mt('Display roles'); + } + $output .= ''; + } elsif ($switchserver) { + $output .= &mt('This course requires a newer version of LON-CAPA than is installed on this server.'). + '
'. + ''. + &mt('Switch Server'). + ''; + } + $output .= '

'.&end_page(); + return $output; +} + +=pod + +=item * &needs_coursereinit() + +Determine if course contents stored for user's session needs to be +refreshed, because content has changed since "Big Hash" last tied. + +Check for change is made if time last checked is more than 10 minutes ago +(by default). + +Inputs: + +$loncaparev - Version on current server (format: Major.Minor.Subrelease-datestamp) + +$interval (optional) - Time which may elapse (in s) between last check for content + change in current course. (default: 600 s). + +Returns: an array; first element is: + +=over 4 + +'switch' - if content updates mean user's session + needs to be switched to a server running a newer LON-CAPA version + +'update' - if course session needs to be refreshed (i.e., Big Hash needs to be reloaded) + on current server hosting user's session + +'' - if no action required. + +=back + +If first item element is 'switch': + +second item is $switchwarning - Warning message if no suitable server found to host session. + +third item is $switchserver - query string to append to /adm/switchserver containing lonHostID + and current role. + +otherwise: no other elements returned. + +=back + +=cut + +sub needs_coursereinit { + my ($loncaparev,$interval) = @_; + return() unless ($env{'request.course.id'} && $env{'request.course.tied'}); + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $now = time; + if ($interval eq '') { + $interval = 600; + } + if (($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,$switchserver); + } + } + } + return ('update'); + } + } + return (); +} + sub update_content_constraints { my ($cdom,$cnum,$chome,$cid) = @_; my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired'); @@ -14744,29 +16040,30 @@ sub symb_to_docspath { sub captcha_display { my ($context,$lonhost) = @_; my ($output,$error); - my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost); + my ($captcha,$pubkey,$privkey,$version) = + &get_captcha_config($context,$lonhost); if ($captcha eq 'original') { $output = &create_captcha(); unless ($output) { $error = 'captcha'; } } elsif ($captcha eq 'recaptcha') { - $output = &create_recaptcha($pubkey); + $output = &create_recaptcha($pubkey,$version); unless ($output) { $error = 'recaptcha'; } } - return ($output,$error); + return ($output,$error,$captcha,$version); } sub captcha_response { my ($context,$lonhost) = @_; my ($captcha_chk,$captcha_error); - my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost); + my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost); if ($captcha eq 'original') { ($captcha_chk,$captcha_error) = &check_captcha(); } elsif ($captcha eq 'recaptcha') { - $captcha_chk = &check_recaptcha($privkey); + $captcha_chk = &check_recaptcha($privkey,$version); } else { $captcha_chk = 1; } @@ -14775,7 +16072,7 @@ sub captcha_response { sub get_captcha_config { my ($context,$lonhost) = @_; - my ($captcha,$pubkey,$privkey,$hashtocheck); + my ($captcha,$pubkey,$privkey,$version,$hashtocheck); my $hostname = &Apache::lonnet::hostname($lonhost); my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname); my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID); @@ -14791,6 +16088,10 @@ sub get_captcha_config { } if ($privkey && $pubkey) { $captcha = 'recaptcha'; + $version = $hashtocheck->{'recaptchaversion'}; + if ($version ne '2') { + $version = 1; + } } else { $captcha = 'original'; } @@ -14808,6 +16109,10 @@ sub get_captcha_config { $privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'}; if ($privkey && $pubkey) { $captcha = 'recaptcha'; + $version = $domconfhash{$serverhomedom.'.login.recaptchaversion'}; + if ($version ne '2') { + $version = 1; + } } else { $captcha = 'original'; } @@ -14815,7 +16120,7 @@ sub get_captcha_config { $captcha = 'original'; } } - return ($captcha,$pubkey,$privkey); + return ($captcha,$pubkey,$privkey,$version); } sub create_captcha { @@ -14832,8 +16137,9 @@ sub create_captcha { if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') { $output = ''."\n". &mt('Type in the letters/numbers shown below').' '. - '
'. - ''; + ''. + '
'. + 'captcha'; last; } } @@ -14873,36 +16179,73 @@ sub check_captcha { } sub create_recaptcha { - my ($pubkey) = @_; - my $use_ssl; - if ($ENV{'SERVER_PORT'} == 443) { - $use_ssl = 1; - } - my $captcha = Captcha::reCAPTCHA->new; - return $captcha->get_options_setter({theme => 'white'})."\n". - $captcha->get_html($pubkey,undef,$use_ssl). - &mt('If either word is hard to read, [_1] will replace them.', - 'reCAPTCHA refresh'). - '

'; + my ($pubkey,$version) = @_; + if ($version >= 2) { + return '
'; + } else { + my $use_ssl; + if ($ENV{'SERVER_PORT'} == 443) { + $use_ssl = 1; + } + my $captcha = Captcha::reCAPTCHA->new; + return $captcha->get_options_setter({theme => 'white'})."\n". + $captcha->get_html($pubkey,undef,$use_ssl). + &mt('If the text is hard to read, [_1] will replace them.', + 'reCAPTCHA refresh'). + '

'; + } } sub check_recaptcha { - my ($privkey) = @_; + my ($privkey,$version) = @_; my $captcha_chk; - my $captcha = Captcha::reCAPTCHA->new; - my $captcha_result = - $captcha->check_answer( - $privkey, - $ENV{'REMOTE_ADDR'}, - $env{'form.recaptcha_challenge_field'}, - $env{'form.recaptcha_response_field'}, - ); - if ($captcha_result->{is_valid}) { - $captcha_chk = 1; + if ($version >= 2) { + my $ua = LWP::UserAgent->new; + $ua->timeout(10); + my %info = ( + secret => $privkey, + response => $env{'form.g-recaptcha-response'}, + remoteip => $ENV{'REMOTE_ADDR'}, + ); + my $response = $ua->post('https://www.google.com/recaptcha/api/siteverify',\%info); + if ($response->is_success) { + my $data = JSON::DWIW->from_json($response->decoded_content); + if (ref($data) eq 'HASH') { + if ($data->{'success'}) { + $captcha_chk = 1; + } + } + } + } else { + my $captcha = Captcha::reCAPTCHA->new; + my $captcha_result = + $captcha->check_answer( + $privkey, + $ENV{'REMOTE_ADDR'}, + $env{'form.recaptcha_challenge_field'}, + $env{'form.recaptcha_response_field'}, + ); + if ($captcha_result->{is_valid}) { + $captcha_chk = 1; + } } return $captcha_chk; } +sub emailusername_info { + my @fields = ('firstname','lastname','institution','web','location','officialemail','id'); + my %titles = &Apache::lonlocal::texthash ( + lastname => 'Last Name', + firstname => 'First Name', + institution => 'School/college/university', + location => "School's city, state/province, country", + web => "School's web address", + officialemail => 'E-mail address at institution (if different)', + id => 'Student/Employee ID', + ); + return (\@fields,\%titles); +} + sub cleanup_html { my ($incoming) = @_; my $outgoing; @@ -14925,11 +16268,75 @@ sub cleanup_html { return $outgoing; } -=pod - -=back +# Checks for critical messages and returns a redirect url if one exists. +# $interval indicates how often to check for messages. +sub critical_redirect { + my ($interval) = @_; + if ((time-$env{'user.criticalcheck.time'})>$interval) { + 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\:/)) { + $redirecturl='/adm/email?critical=display'; + my $url=&Apache::lonnet::absolute_url().$redirecturl; + return (1, $url); + } + } + } + return (); +} -=cut +# Use: +# my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver); +# +################################################## +# password associated functions # +################################################## +sub des_keys { + # Make a new key for DES encryption. + # Each key has two parts which are returned separately. + # Please note: Each key must be passed through the &hex function + # before it is output to the web browser. The hex versions cannot + # be used to decrypt. + my @hexstr=('0','1','2','3','4','5','6','7', + '8','9','a','b','c','d','e','f'); + my $lkey=''; + for (0..7) { + $lkey.=$hexstr[rand(15)]; + } + my $ukey=''; + for (0..7) { + $ukey.=$hexstr[rand(15)]; + } + return ($lkey,$ukey); +} + +sub des_decrypt { + my ($key,$cyphertext) = @_; + my $keybin=pack("H16",$key); + my $cypher; + if ($Crypt::DES::VERSION>=2.03) { + $cypher=new Crypt::DES $keybin; + } else { + $cypher=new DES $keybin; + } + my $plaintext=''; + my $cypherlength = length($cyphertext); + my $numchunks = int($cypherlength/32); + for (my $j=0; $j<$numchunks; $j++) { + my $start = $j*32; + my $cypherblock = substr($cyphertext,$start,32); + my $chunk = + $cypher->decrypt(unpack("a8",pack("H16",substr($cypherblock,0,16)))); + $chunk .= + $cypher->decrypt(unpack("a8",pack("H16",substr($cypherblock,16,16)))); + $chunk=substr($chunk,1,ord(substr($chunk,0,1)) ); + $plaintext .= $chunk; + } + return $plaintext; +} 1; __END__;