--- loncom/interface/loncommon.pm 2019/07/30 11:10:55 1.1075.2.134 +++ loncom/interface/loncommon.pm 2018/05/01 13:30:49 1.1317 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.1075.2.134 2019/07/30 11:10:55 raeburn Exp $ +# $Id: loncommon.pm,v 1.1317 2018/05/01 13:30:49 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -71,17 +71,23 @@ use Apache::lonuserutils(); use Apache::lonuserstate(); use Apache::courseclassifier(); use LONCAPA qw(:DEFAULT :match); +use LONCAPA::LWPReq; use DateTime::TimeZone; use DateTime::Locale; use Encode(); +use Text::Aspell; use Authen::Captcha; use Captcha::reCAPTCHA; use JSON::DWIW; use LWP::UserAgent; use Crypt::DES; use DynaLoader; # for Crypt::DES version +use MIME::Lite; +use MIME::Types; use File::Copy(); use File::Path(); +use String::CRC32(); +use Short::URL(); # ---------------------------------------------- Designs use vars qw(%defaultdesign); @@ -166,6 +172,7 @@ sub ssi_with_retries { # ----------------------------------------------- Filetypes/Languages/Copyright my %language; my %supported_language; +my %supported_codes; my %latex_language; # For choosing hyphenation in my %latex_language_bykey; # for choosing hyphenation from metadata my %cprtag; @@ -200,14 +207,15 @@ BEGIN { while (my $line = <$fh>) { next if ($line=~/^\#/); chomp($line); - my ($key,$two,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line)); + my ($key,$code,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line)); $language{$key}=$val.' - '.$enc; if ($sup) { $supported_language{$key}=$sup; + $supported_codes{$key} = $code; } if ($latex) { $latex_language_bykey{$key} = $latex; - $latex_language{$two} = $latex; + $latex_language{$code} = $latex; } } close($fh); @@ -677,7 +685,7 @@ if (!Array.prototype.indexOf) { var n = 0; if (arguments.length > 0) { n = Number(arguments[1]); - if (n !== n) { // shortcut for verifying if it's NaN + if (n !== n) { // shortcut for verifying if it is NaN n = 0; } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) { n = (n > 0 || -1) * Math.floor(Math.abs(n)); @@ -878,6 +886,8 @@ sub selectcourse_link { my $linktext = &mt('Select Course'); if ($selecttype eq 'Community') { $linktext = &mt('Select Community'); + } elsif ($selecttype eq 'Placement') { + $linktext = &mt('Select Placement Test'); } elsif ($selecttype eq 'Course/Community') { $linktext = &mt('Select Course/Community'); $type = ''; @@ -913,12 +923,12 @@ sub check_uncheck_jscript { function checkAll(field) { if (field.length > 0) { for (i = 0; i < field.length; i++) { - if (!field[i].disabled) { + if (!field[i].disabled) { field[i].checked = true; } } } else { - if (!field.disabled) { + if (!field.disabled) { field.checked = true; } } @@ -994,7 +1004,7 @@ sub select_datelocale { } $locale_names{$id} = Encode::encode('UTF-8',$locale_names{$id}); push(@possibles,$id); - } + } } } foreach my $item (sort(@possibles)) { @@ -1030,6 +1040,33 @@ sub select_language { =pod + +=item * &list_languages() + +Returns an array reference that is suitable for use in language prompters. +Each array element is itself a two element array. The first element +is the language code. The second element a descsriptiuon of the +language itself. This is suitable for use in e.g. +&Apache::edit::select_arg (once dereferenced that is). + +=cut + +sub list_languages { + my @lang_choices; + + foreach my $id (&languageids()) { + my $code = &supportedlanguagecode($id); + if ($code) { + my $selector = $supported_codes{$id}; + my $description = &plainlanguagedescription($id); + push(@lang_choices, [$selector, $description]); + } + } + return \@lang_choices; +} + +=pod + =item * &linked_select_forms(...) linked_select_forms returns a string containing a block @@ -1062,6 +1099,9 @@ linked_select_forms takes the following =item * $onchangesecond, additional javascript call to execute for an onchange event for the second \n"; + $result .= ""; } +sub crsauthor_url { + my ($url) = @_; + if ($url eq '') { + $url = $ENV{'REQUEST_URI'}; + } + my ($cnum,$cdom); + if ($env{'request.course.id'}) { + my ($audom,$auname) = ($url =~ m{^/priv/($match_domain)/($match_name)/}); + if ($audom ne '' && $auname ne '') { + if (($env{'course.'.$env{'request.course.id'}.'.num'} eq $auname) && + ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $audom)) { + $cnum = $auname; + $cdom = $audom; + } + } + } + return ($cnum,$cdom); +} + +sub import_crsauthor_form { + my ($form,$firstselectname,$secondselectname,$onchangefirst,$only,$suffix,$disabled) = @_; + return (0) unless ($env{'request.course.id'}); + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $crshome = $env{'course.'.$env{'request.course.id'}.'.home'}; + return (0) unless (($cnum ne '') && ($cdom ne '')); + my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'}; + my @ids=&Apache::lonnet::current_machine_ids(); + my ($output,$is_home,$relpath,%subdirs,%files,%selimport_menus); + + if (grep(/^\Q$crshome\E$/,@ids)) { + $is_home = 1; + } + $relpath = "/priv/$cdom/$cnum"; + &Apache::lonnet::recursedirs($is_home,'priv',$londocroot,$relpath,'',\%subdirs,\%files); + my %lt = &Apache::lonlocal::texthash ( + fnam => 'Filename', + dire => 'Directory', + ); + my $numdirs = scalar(keys(%files)); + my (%possexts,$singledir,@singledirfiles); + if ($only) { + map { $possexts{$_} = 1; } split(/\s*,\s*/,$only); + } + my (%nonemptydirs,$possdirs); + if ($numdirs > 1) { + my @order; + foreach my $key (sort { lc($a) cmp lc($b) } (keys(%files))) { + if (ref($files{$key}) eq 'HASH') { + my $shown = $key; + if ($key eq '') { + $shown = '/'; + } + my @ordered = (); + foreach my $file (sort { lc($a) cmp lc($b) } (keys(%{$files{$key}}))) { + next if ($file =~ /\.rights$/); + if ($only) { + my ($ext) = ($file =~ /\.([^.]+)$/); + unless ($possexts{lc($ext)}) { + next; + } + } + $selimport_menus{$key}->{'select2'}->{$file} = $file; + push(@ordered,$file); + } + if (@ordered) { + push(@order,$key); + $nonemptydirs{$key} = 1; + $selimport_menus{$key}->{'text'} = $shown; + $selimport_menus{$key}->{'default'} = ''; + $selimport_menus{$key}->{'select2'}->{''} = ''; + $selimport_menus{$key}->{'order'} = \@ordered; + } + } + } + $possdirs = scalar(keys(%nonemptydirs)); + if ($possdirs > 1) { + my @order = sort { lc($a) cmp lc($b) } (keys(%nonemptydirs)); + $output = $lt{'dire'}. + &linked_select_forms($form,'
'. + $lt{'fnam'},'', + $firstselectname,$secondselectname, + \%selimport_menus,\@order, + $onchangefirst,'',$suffix).'
'; + } elsif ($possdirs == 1) { + $singledir = (keys(%nonemptydirs))[0]; + if (ref($selimport_menus{$singledir}->{'order'}) eq 'ARRAY') { + @singledirfiles = @{$selimport_menus{$singledir}->{'order'}}; + } + delete($selimport_menus{$singledir}); + } + } elsif ($numdirs == 1) { + $singledir = (keys(%files))[0]; + foreach my $file (sort { lc($a) cmp lc($b) } (keys(%{$files{$singledir}}))) { + if ($only) { + my ($ext) = ($file =~ /\.([^.]+)$/); + unless ($possexts{lc($ext)}) { + next; + } + } else { + next if ($file =~ /\.rights$/); + } + push(@singledirfiles,$file); + } + if (@singledirfiles) { + $possdirs = 1; + } + } + if (($possdirs == 1) && (@singledirfiles)) { + my $showdir = $singledir; + if ($singledir eq '') { + $showdir = '/'; + } + $output = $lt{'dire'}. + '
'. + $lt{'fnam'}.'
'."\n"; + } + return ($possdirs,$output); +} =pod @@ -2169,10 +2493,24 @@ sub create_text_file { # ------------------------------------------ sub domain_select { - my ($name,$value,$multiple)=@_; + my ($name,$value,$multiple,$incdoms,$excdoms)=@_; + my @possdoms; + if (ref($incdoms) eq 'ARRAY') { + @possdoms = @{$incdoms}; + } else { + @possdoms = &Apache::lonnet::all_domains(); + } + my %domains=map { $_ => $_.' '. &Apache::lonnet::domain($_,'description') - } &Apache::lonnet::all_domains(); + } @possdoms; + + if ((ref($excdoms) eq 'ARRAY') && (@{$excdoms} > 0)) { + foreach my $dom (@{$excdoms}) { + delete($domains{$dom}); + } + } + if ($multiple) { $domains{''}=&mt('Any domain'); $domains{'select_form_order'} = [sort {lc($a) cmp lc($b) } (keys(%domains))]; @@ -2249,7 +2587,7 @@ option_name => displayed text. An option a javascript onchange item, e.g., onchange="this.form.submit();". An optional arg -- $readonly -- if true will cause the select form to be disabled, e.g., for the case where an instructor has a section- -specific role, and is viewing/modifying parameters. +specific role, and is viewing/modifying parameters. See lonrights.pm for an example invocation and use. @@ -2452,7 +2790,7 @@ The optional $incdoms is a reference to The optional $excdoms is a reference to an array of domains which will be excluded from the available options. -The optional $disabled argument, if true, adds the disabled attribute to the select tag. +The optional $disabled argument, if true, adds the disabled attribute to the select tag. =cut @@ -2473,7 +2811,7 @@ sub select_dom_form { } if ($includeempty) { @domains=('',@domains); } if (ref($excdoms) eq 'ARRAY') { - map { $exclude{$_} = 1; } @{$excdoms}; + map { $exclude{$_} = 1; } @{$excdoms}; } my $selectdomain = "'; $result = &mt ('[_1] Filesystem Authenticated (with initial password [_2])', - ''); + ''.$autharg); + return $result; +} + +sub authform_lti { + my %in = ( + formname => 'document.cu', + kerb_def_dom => 'MSU.EDU', + @_, + ); + my ($lticheck,$result,$authtype,$autharg,$jscall,$disabled); + my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'}); + if ($in{'readonly'}) { + $disabled = ' disabled="disabled"'; + } + if (defined($in{'curr_authtype'})) { + if ($in{'curr_authtype'} eq 'lti') { + if ($can_assign{'lti'}) { + $lticheck = 'checked="checked" '; + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifyuser') { + $lticheck = ''; + } + } + } else { + $result = &mt('Currently LTI Authenticated.'); + return $result; + } + } + } else { + if ($authnum == 1) { + $authtype = ''; + } + } + if (!$can_assign{'lti'}) { + return; + } elsif ($authtype eq '') { + if (defined($in{'mode'})) { + if ($in{'mode'} eq 'modifycourse') { + if ($authnum == 1) { + $authtype = ''; + } + } + } + } + $jscall = "javascript:changed_radio('lti',$in{'formname'});"; + if (($authtype eq '') && (($in{'mode'} eq 'modifycourse') || ($in{'curr_authtype'} ne 'lti'))) { + $authtype = ''; + } + $autharg = ''; + if ($authtype) { + $result = &mt('[_1] LTI Authenticated', + ''.$autharg); + } else { + $result = ''.&mt('LTI Authenticated').''. + $autharg; + } return $result; } @@ -3138,6 +3533,7 @@ sub get_assignable_auth { krb5 => 1, int => 1, loc => 1, + lti => 1, ); my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom); if (ref($domconfig{'usercreation'}) eq 'HASH') { @@ -3337,13 +3733,73 @@ sub get_related_words { untie %thesaurus_db; return @Words; } +############################################################### +# +# Spell checking +# =pod =back +=head1 Spell checking + +=over 4 + +=item * &check_spelling($wordlist $language) + +Takes a string containing words and feeds it to an external +spellcheck program via a pipeline. Returns a string containing +them mis-spelled words. + +Parameters: + +=over 4 + +=item - $wordlist + +String that will be fed into the spellcheck program. + +=item - $language + +Language string that specifies the language for which the spell +check will be performed. + +=back + +=back + +Note: This sub assumes that aspell is installed. + + =cut + +sub check_spelling { + my ($wordlist, $language) = @_; + my @misspellings; + + # Generate the speller and set the langauge. + # if explicitly selected: + + my $speller = Text::Aspell->new; + if ($language) { + $speller->set_option('lang', $language); + } + + # Turn the word list into an array of words by splittingon whitespace + + my @words = split(/\s+/, $wordlist); + + foreach my $word (@words) { + if(! $speller->check($word)) { + push(@misspellings, $word); + } + } + return join(' ', @misspellings); + +} + # -------------------------------------------------------------- Plaintext name =pod @@ -3807,7 +4263,11 @@ category sub filecategorytypes { my ($cat) = @_; - return @{$category_extensions{lc($cat)}}; + if (ref($category_extensions{lc($cat)}) eq 'ARRAY') { + return @{$category_extensions{lc($cat)}}; + } else { + return (); + } } =pod @@ -3974,7 +4434,7 @@ Return string with previous attempt on p =item * $usec: section of the desired student -=item * $identifier: counter for student (multiple students one problem) or +=item * $identifier: counter for student (multiple students one problem) or problem (one student; whole sequence). =back @@ -4061,7 +4521,7 @@ sub get_previous_attempt { my (@hidden,@unsolved); if (%typeparts) { foreach my $id (keys(%typeparts)) { - if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || + if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) { push(@hidden,$id); } elsif ($identifier ne '') { @@ -4122,7 +4582,7 @@ sub get_previous_attempt { if ($key =~ /\./) { my $value = $returnhash{$version.':'.$key}; if ($key =~ /\.rndseed$/) { - my ($id) = ($key =~ /^(.+)\.rndseed$/); + my ($id) = ($key =~ /^(.+)\.[^.]+$/); if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) { $value = $returnhash{$version.':'.$id.'.rawrndseed'}; } @@ -4139,7 +4599,7 @@ sub get_previous_attempt { next if ($key =~ /\.foilorder$/); my $value = $returnhash{$version.':'.$key}; if ($key =~ /\.rndseed$/) { - my ($id) = ($key =~ /^(.+)\.rndseed$/); + my ($id) = ($key =~ /^(.+)\.[^.]+$/); if (exists($returnhash{$version.':'.$id.'.rawrndseed'})) { $value = $returnhash{$version.':'.$id.'.rawrndseed'}; } @@ -4170,7 +4630,7 @@ sub get_previous_attempt { if ($key =~/$regexp$/ && (defined &$gradesub)) { $value = &$gradesub($value); } - $prevattempts.=''.$value.' '; + $prevattempts.=''. $value.' '; } else { $prevattempts.=' '; } @@ -4186,14 +4646,20 @@ sub get_previous_attempt { if ($key =~/$regexp$/ && (defined &$gradesub)) { $value = &$gradesub($value); } - $prevattempts.=''.$value.' '; + $prevattempts.=''.$value.' '; } } $prevattempts.= &end_data_table_row().&end_data_table(); } else { + my $msg; + if ($symb =~ /ext\.tool$/) { + $msg = &mt('No grade passed back.'); + } else { + $msg = &mt('Nothing submitted - no attempts.'); + } $prevattempts= &start_data_table().&start_data_table_row(). - ''.&mt('Nothing submitted - no attempts.').''. + ''.$msg.''. &end_data_table_row().&end_data_table(); } } else { @@ -4207,11 +4673,13 @@ sub get_previous_attempt { sub format_previous_attempt_value { my ($key,$value) = @_; if (($key =~ /timestamp/) || ($key=~/duedate/)) { - $value = &Apache::lonlocal::locallocaltime($value); + $value = &Apache::lonlocal::locallocaltime($value); } elsif (ref($value) eq 'ARRAY') { - $value = '('.join(', ', @{ $value }).')'; + $value = &HTML::Entities::encode('('.join(', ', @{ $value }).')','"<>&'); } elsif ($key =~ /answerstring$/) { my %answers = &Apache::lonnet::str2hash($value); + my @answer = %answers; + %answers = map {&HTML::Entities::encode($_, '"<>&')} @answer; my @anskeys = sort(keys(%answers)); if (@anskeys == 1) { my $answer = $answers{$anskeys[0]}; @@ -4234,7 +4702,7 @@ sub format_previous_attempt_value { } } } else { - $value = &unescape($value); + $value = &HTML::Entities::encode(&unescape($value), '"<>&'); } return $value; } @@ -4296,6 +4764,9 @@ sub get_student_view { } if (defined($target)) { $form{'grade_target'} = $target; } $feedurl=&Apache::lonnet::clutter($feedurl); + if (($feedurl =~ /ext\.tool$/) && ($target eq 'tex')) { + $feedurl =~ s{^/adm/wrapper}{}; + } my ($userview,$response)=&Apache::lonnet::ssi_body($feedurl,%form); $userview=~s/\]*\>//gi; $userview=~s/\<\/body\>//gi; @@ -4618,7 +5089,8 @@ sub blockcheck { # boards, chat or groups, check for blocking in current course only. if (($activity eq 'boards' || $activity eq 'chat' || - $activity eq 'groups' || $activity eq 'printout') && + $activity eq 'groups' || $activity eq 'printout' || + $activity eq 'reinit' || $activity eq 'alert') && ($env{'request.course.id'})) { foreach my $key (keys(%live_courses)) { if ($key ne $env{'request.course.id'}) { @@ -4726,7 +5198,7 @@ sub blockcheck { # Retrieve blocking times and identity of blocker for course # of specified user, unless user has 'evb' privilege. - + my ($start,$end,$trigger) = &get_blocks($setters,$activity,$cdom,$cnum,$url); if (($start != 0) && @@ -4813,13 +5285,19 @@ sub get_blocks { my $end = $start + $env{'course.'.$cdom.'_'.$cnum.'.timerinterval.'.$timersymb}; if ($start && $end) { if (($start <= time) && ($end >= time)) { - unless (grep(/^\Q$block\E$/,@blockers)) { - push(@blockers,$block); - $triggered{$block} = { - start => $start, - end => $end, - type => $type, - }; + if (ref($commblocks{$block}) eq 'HASH') { + if (ref($commblocks{$block}{'blocks'}) eq 'HASH') { + if ($commblocks{$block}{'blocks'}{$activity} eq 'on') { + unless(grep(/^\Q$block\E$/,@blockers)) { + push(@blockers,$block); + $triggered{$block} = { + start => $start, + end => $end, + type => $type, + }; + } + } + } } } } @@ -4901,7 +5379,7 @@ sub blocking_status { my $querystring = "?activity=$activity"; # $uname and $udom decide whose portfolio the user is trying to look at if (($activity eq 'port') || ($activity eq 'passwd')) { - $querystring .= "&udom=$udom" if ($udom =~ /^$match_domain$/); + $querystring .= "&udom=$udom" if ($udom =~ /^$match_domain$/); $querystring .= "&uname=$uname" if ($uname =~ /^$match_username$/); } elsif ($activity eq 'docs') { $querystring .= '&url='.&HTML::Entities::encode($url,'&"'); @@ -4929,6 +5407,10 @@ END_MYBLOCK $text = &mt('Printing Blocked'); } elsif ($activity eq 'passwd') { $text = &mt('Password Changing Blocked'); + } elsif ($activity eq 'alert') { + $text = &mt('Checking Critical Messages Blocked'); + } elsif ($activity eq 'reinit') { + $text = &mt('Checking Course Update Blocked'); } $output .= <<"END_BLOCK";
@@ -4952,17 +5434,39 @@ sub check_ip_acc { if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) { return 1; } - my $allowed=0; + my $allowed; my $ip=$ENV{'REMOTE_ADDR'} || $clientip || $env{'request.host'}; my $name; - foreach my $pattern (split(',',$acc)) { - $pattern =~ s/^\s*//; - $pattern =~ s/\s*$//; + my %access = ( + allowfrom => 1, + denyfrom => 0, + ); + my @allows; + my @denies; + foreach my $item (split(',',$acc)) { + $item =~ s/^\s*//; + $item =~ s/\s*$//; + my $pattern; + if ($item =~ /^\!(.+)$/) { + push(@denies,$1); + } else { + push(@allows,$item); + } + } + my $numdenies = scalar(@denies); + my $numallows = scalar(@allows); + my $count = 0; + foreach my $pattern (@denies,@allows) { + $count ++; + my $acctype = 'allowfrom'; + if ($count <= $numdenies) { + $acctype = 'denyfrom'; + } if ($pattern =~ /\*$/) { #35.8.* $pattern=~s/\*//; - if ($ip =~ /^\Q$pattern\E/) { $allowed=1; } + if ($ip =~ /^\Q$pattern\E/) { $allowed=$access{$acctype}; } } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) { #35.8.3.[34-56] my $low=$2; @@ -4970,7 +5474,7 @@ sub check_ip_acc { $pattern=$1; if ($ip =~ /^\Q$pattern\E/) { my $last=(split(/\./,$ip))[3]; - if ($last <=$high && $last >=$low) { $allowed=1; } + if ($last <=$high && $last >=$low) { $allowed=$access{$acctype}; } } } elsif ($pattern =~ /^\*/) { #*.msu.edu @@ -4980,10 +5484,10 @@ sub check_ip_acc { my $netaddr=inet_aton($ip); ($name)=gethostbyaddr($netaddr,AF_INET); } - if ($name =~ /\Q$pattern\E$/i) { $allowed=1; } + if ($name =~ /\Q$pattern\E$/i) { $allowed=$access{$acctype}; } } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) { #127.0.0.1 - if ($ip =~ /^\Q$pattern\E/) { $allowed=1; } + if ($ip =~ /^\Q$pattern\E/) { $allowed=$access{$acctype}; } } else { #some.name.com if (!defined($name)) { @@ -4991,9 +5495,16 @@ sub check_ip_acc { my $netaddr=inet_aton($ip); ($name)=gethostbyaddr($netaddr,AF_INET); } - if ($name =~ /\Q$pattern\E$/i) { $allowed=1; } + if ($name =~ /\Q$pattern\E$/i) { $allowed=$access{$acctype}; } + } + if ($allowed =~ /^(0|1)$/) { last; } + } + if ($allowed eq '') { + if ($numdenies && !$numallows) { + $allowed = 1; + } else { + $allowed = 0; } - if ($allowed) { last; } } return $allowed; } @@ -5058,6 +5569,7 @@ sub get_domainconf { 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'}; @@ -5327,13 +5839,28 @@ sub CSTR_pageheader { $lastitem = $thisdisfn; } + my ($crsauthor,$title); + if (($env{'request.course.id'}) && + ($env{'course.'.$env{'request.course.id'}.'.num'} eq $uname) && + ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom)) { + $crsauthor = 1; + $title = &mt('Course Authoring Space'); + } else { + $title = &mt('Authoring Space'); + } + + my ($target,$crumbtarget) = (' target="_top"','_top'); #FIXME lonpubdir: target="_parent" + if (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) { + $target = ''; + $crumbtarget = ''; + } + my $output = '
' .&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it? - .''.&mt('Authoring Space:').' ' - .'
' #FIXME lonpubdir: target="_parent" - .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv/'.$udom,undef,undef); + .''.$title.' ' + .'' + .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,$crumbtarget,'/priv/'.$udom,undef,undef); if ($lastitem) { $output .= @@ -5341,13 +5868,18 @@ sub CSTR_pageheader { .$lastitem .''; } - $output .= - '
' - #FIXME lonpubdir: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/','_top','/priv','','+1',1)."
" - .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()') - .'
' - .&Apache::lonmenu::constspaceform() - .'
'; + + if ($crsauthor) { + $output .= ''.&Apache::lonmenu::constspaceform(); + } else { + $output .= + '
' + #FIXME lonpubdir: &Apache::lonhtmlcommon::crumbs($uname.$thisdisfn.'/',$crumbtarget,'/priv','','+1',1)."
" + .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()') + .'' + .&Apache::lonmenu::constspaceform(); + } + $output .= '
'; return $output; } @@ -5389,9 +5921,6 @@ Inputs: =item * $bgcolor, used to override the bgcolor on a webpage to a specific value -=item * $no_inline_link, if true and in remote mode, don't show the - 'Switch To Inline Menu' link - =item * $args, optional argument valid values are no_auto_mt_title -> prevents &mt()ing the title arg use_absolute -> for external resource or syllabus, this will @@ -5403,6 +5932,15 @@ Inputs: inlineremote items to be added in "Functions" menu below breadcrumbs. +=item * $ltiscope, optional argument, will be one of: resource, map or + course, if LON-CAPA is in LTI Provider context. Value is + the scope of use, i.e., launch was for access to a single, a map + or the entire course. + +=item * $ltiuri, optional argument, if LON-CAPA is in LTI Provider + context, this will contain the URL for the landing item in + the course, after launch from an LTI Consumer + =back Returns: A uniform header for LON-CAPA web pages. @@ -5414,7 +5952,7 @@ other decorations will be returned. sub bodytag { my ($title,$function,$addentries,$bodyonly,$domain,$forcereg, - $no_nav_bar,$bgcolor,$no_inline_link,$args,$advtoolsref)=@_; + $no_nav_bar,$bgcolor,$args,$advtoolsref,$ltiscope,$ltiuri)=@_; my $public; if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public')) @@ -5458,7 +5996,7 @@ sub bodytag { $role = &mt('Helpdesk[_1]',' '.$2); } } else { - $role = (split(/\//,$role,4))[-1]; + $role = (split(/\//,$role,4))[-1]; } if ($env{'request.course.sec'}) { $role .= (' 'x2).'- '.&mt('section:').' '.$env{'request.course.sec'}; @@ -5498,25 +6036,19 @@ sub bodytag { $dc_info =~ s/\s+$//; } - $role = '('.$role.')' if ($role && !$env{'browser.mobile'}); - - if ($env{'request.state'} eq 'construct') { $forcereg=1; } - - - - my $funclist; - if (($env{'environment.remote'} eq 'on') && ($env{'request.state'} ne 'construct')) { - $bodytag .= Apache::lonhtmlcommon::scripttag(Apache::lonmenu::utilityfunctions($httphost), 'start')."\n". - Apache::lonmenu::serverform(); - my $forbodytag; - &Apache::lonmenu::prepare_functions($env{'request.noversionuri'}, - $forcereg,$args->{'group'}, - $args->{'bread_crumbs'}, - $advtoolsref,'','',\$forbodytag); - unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') { - $funclist = $forbodytag; - } + my $crstype; + if ($env{'request.course.id'}) { + $crstype = $env{'course.'.$env{'request.course.id'}.'.type'}; + } elsif ($args->{'crstype'}) { + $crstype = $args->{'crstype'}; + } + if (($crstype eq 'Placement') && (!$env{'request.role.adv'})) { + undef($role); } else { + $role = '('.$role.')' if ($role && !$env{'browser.mobile'}); + } + + if ($env{'request.state'} eq 'construct') { $forcereg=1; } # if ($env{'request.state'} eq 'construct') { # $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls @@ -5525,14 +6057,14 @@ sub bodytag { $bodytag .= Apache::lonhtmlcommon::scripttag( Apache::lonmenu::utilityfunctions($httphost), 'start'); - my ($left,$right) = Apache::lonmenu::primary_menu(); + my ($left,$right) = Apache::lonmenu::primary_menu($crstype); if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { - if ($dc_info) { + if ($dc_info) { $dc_info = qq|$dc_info|; - } - $bodytag .= qq|
$left $role
- $realm $dc_info
|; + } + $bodytag .= qq|
$left $role
+ $realm $dc_info
|; return $bodytag; } @@ -5547,33 +6079,29 @@ sub bodytag { } $bodytag .= qq|
$realm $dc_info
|; - #if directed to not display the secondary menu, don't. + #if directed to not display the secondary menu, don't. if ($args->{'no_secondary_menu'}) { return $bodytag; } #don't show menus for public users if (!$public){ - $bodytag .= Apache::lonmenu::secondary_menu($httphost); + $bodytag .= Apache::lonmenu::secondary_menu($httphost,$ltiscope); $bodytag .= Apache::lonmenu::serverform(); $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end'); if ($env{'request.state'} eq 'construct') { $bodytag .= &Apache::lonmenu::innerregister($forcereg, - $args->{'bread_crumbs'},'','',$hostname); + $args->{'bread_crumbs'},'','',$hostname,$ltiscope,$ltiuri); } elsif ($forcereg) { $bodytag .= &Apache::lonmenu::innerregister($forcereg,undef, $args->{'group'}, - $args->{'hide_buttons', - $hostname}); + $args->{'hide_buttons'}, + $hostname,$ltiscope,$ltiuri); } else { - my $forbodytag; - &Apache::lonmenu::prepare_functions($env{'request.noversionuri'}, - $forcereg,$args->{'group'}, - $args->{'bread_crumbs'}, - $advtoolsref,'',$hostname, - \$forbodytag); - unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') { - $bodytag .= $forbodytag; - } + $bodytag .= + &Apache::lonmenu::prepare_functions($env{'request.noversionuri'}, + $forcereg,$args->{'group'}, + $args->{'bread_crumbs'}, + $advtoolsref,'',$hostname); } }else{ # this is to seperate menu from content when there's no secondary @@ -5583,54 +6111,6 @@ sub bodytag { } return $bodytag; - } - -# -# Top frame rendering, Remote is up -# - - my $imgsrc = $img; - if ($img =~ /^\/adm/) { - $imgsrc = &lonhttpdurl($img); - } - 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').''); - - if ($dc_info) { - $dc_info = qq|($dc_info)|; - } - - my $name = &plainname($env{'user.name'},$env{'user.domain'}); - unless ($public) { - $name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'}, - undef,'LC_menubuttons_link'); - } - - unless ($env{'form.inhibitmenu'}) { - $bodytag .= qq|
$name $role
-
    -
  1. $help
    2. -
  2. $menu
    3. -
$realm $dc_info
|; - } - if ($env{'request.state'} eq 'construct') { - if (!$public){ - if ($env{'request.state'} eq 'construct') { - $funclist = &Apache::lonhtmlcommon::scripttag( - &Apache::lonmenu::utilityfunctions($httphost), 'start'). - &Apache::lonhtmlcommon::scripttag('','end'). - &Apache::lonmenu::innerregister($forcereg, - $args->{'bread_crumbs'}); - } - } - } - return $bodytag."\n".$funclist; } sub dc_courseid_toggle { @@ -5662,15 +6142,8 @@ sub make_attr_string { delete($attr_ref->{$key}); } } - if ($env{'environment.remote'} eq 'on') { - $attr_ref->{'onload'} = - &Apache::lonmenu::loadevents(). $on_load; - $attr_ref->{'onunload'}= - &Apache::lonmenu::unloadevents().$on_unload; - } else { - $attr_ref->{'onload'} = $on_load; - $attr_ref->{'onunload'}= $on_unload; - } + $attr_ref->{'onload'} = $on_load; + $attr_ref->{'onunload'}= $on_unload; } my $attr_string; @@ -5994,6 +6467,12 @@ ul.LC_breadcrumb_tools_outerlist li { float: right; } +.LC_placement_prog { + padding-right: 20px; + font-weight: bold; + font-size: 90%; +} + table#LC_title_bar td { background: $tabbg; } @@ -6085,7 +6564,7 @@ td.LC_menubuttons_text { } td.LC_zero_height { - line-height: 0; + line-height: 0; cellpadding: 0; } @@ -6410,6 +6889,12 @@ td.LC_parm_overview_restrictions { border-collapse: collapse; } +span.LC_parm_recursive, +td.LC_parm_recursive { + font-weight: bold; + font-size: smaller; +} + table.LC_parm_overview_restrictions td { border-width: 1px 4px 1px 4px; border-style: solid; @@ -6761,7 +7246,12 @@ table.LC_data_table tr > td.LC_docs_entr color: #990000; } +.LC_docs_alias { + color: #440055; +} + .LC_domprefs_email, +.LC_docs_alias_name, .LC_docs_reinit_warn, .LC_docs_ext_edit { font-size: x-small; @@ -7058,7 +7548,7 @@ ol.LC_primary_menu li { line-height: 1.5em; } -ol.LC_primary_menu li a, +ol.LC_primary_menu li a, ol.LC_primary_menu li p { display: block; margin: 0; @@ -7073,7 +7563,7 @@ ol.LC_primary_menu li p span.LC_primary_ } ol.LC_primary_menu li p span.LC_primary_menu_innerarrow { - display: inline-block; + display: inline-block; width: 5%; float: right; text-align: right; @@ -7108,9 +7598,9 @@ ol.LC_primary_menu li:hover li, ol.LC_pr float: none; border-left: 1px solid black; border-right: 1px solid black; -/* A dark bottom border to visualize different menu options; +/* A dark bottom border to visualize different menu options; overwritten in the create_submenu routine for the last border-bottom of the menu */ - border-bottom: 1px solid $data_table_dark; + border-bottom: 1px solid $data_table_dark; } ol.LC_primary_menu li li p:hover { @@ -7671,6 +8161,16 @@ ul.LC_funclist li { } /* + styles used for response display +*/ +div.LC_radiofoil, div.LC_rankfoil { + margin: .5em 0em .5em 0em; +} +table.LC_itemgroup { + margin-top: 1em; +} + +/* styles used by TTH when "Default set of options to pass to tth/m when converting TeX" in course settings has been set @@ -7691,6 +8191,87 @@ 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;} +/* + sections with roles, for content only +*/ +section[class^="role-"] { + padding-left: 10px; + padding-right: 5px; + margin-top: 8px; + margin-bottom: 8px; + border: 1px solid #2A4; + border-radius: 5px; + box-shadow: 0px 1px 1px #BBB; +} +section[class^="role-"]>h1 { + position: relative; + margin: 0px; + padding-top: 10px; + padding-left: 40px; +} +section[class^="role-"]>h1:before { + position: absolute; + left: -5px; + top: 5px; +} +section.role-activity>h1:before { + content:url('/adm/daxe/images/section_icons/activity.png'); +} +section.role-advice>h1:before { + content:url('/adm/daxe/images/section_icons/advice.png'); +} +section.role-bibliography>h1:before { + content:url('/adm/daxe/images/section_icons/bibliography.png'); +} +section.role-citation>h1:before { + content:url('/adm/daxe/images/section_icons/citation.png'); +} +section.role-conclusion>h1:before { + content:url('/adm/daxe/images/section_icons/conclusion.png'); +} +section.role-definition>h1:before { + content:url('/adm/daxe/images/section_icons/definition.png'); +} +section.role-demonstration>h1:before { + content:url('/adm/daxe/images/section_icons/demonstration.png'); +} +section.role-example>h1:before { + content:url('/adm/daxe/images/section_icons/example.png'); +} +section.role-explanation>h1:before { + content:url('/adm/daxe/images/section_icons/explanation.png'); +} +section.role-introduction>h1:before { + content:url('/adm/daxe/images/section_icons/introduction.png'); +} +section.role-method>h1:before { + content:url('/adm/daxe/images/section_icons/method.png'); +} +section.role-more_information>h1:before { + content:url('/adm/daxe/images/section_icons/more_information.png'); +} +section.role-objectives>h1:before { + content:url('/adm/daxe/images/section_icons/objectives.png'); +} +section.role-prerequisites>h1:before { + content:url('/adm/daxe/images/section_icons/prerequisites.png'); +} +section.role-remark>h1:before { + content:url('/adm/daxe/images/section_icons/remark.png'); +} +section.role-reminder>h1:before { + content:url('/adm/daxe/images/section_icons/reminder.png'); +} +section.role-summary>h1:before { + content:url('/adm/daxe/images/section_icons/summary.png'); +} +section.role-syntax>h1:before { + content:url('/adm/daxe/images/section_icons/syntax.png'); +} +section.role-warning>h1:before { + content:url('/adm/daxe/images/section_icons/warning.png'); +} + #LC_minitab_header { float:left; width:100%; @@ -7781,8 +8362,8 @@ sub headtag { if (!$args->{'frameset'}) { $result .= &Apache::lonhtmlcommon::htmlareaheaders(); } - if ($args->{'force_register'}) { - $result .= &Apache::lonmenu::registerurl(1); + if ($args->{'force_register'} && $env{'request.noversionuri'} !~ m{^/res/adm/pages/}) { + $result .= Apache::lonxml::display_title(); } if (!$args->{'no_nav_bar'} && !$args->{'only_body'} @@ -7902,7 +8483,7 @@ OFFLOAD if (!$args->{'frameset'}) { $result .= ' /'; } - $result .= '>' + $result .= '>' .$inhibitprint .$head_extra; my $clientmobile; @@ -7935,12 +8516,12 @@ sub font_settings { my $headerstring=''; if ((!$env{'browser.mathml'} && $env{'browser.unicode'}) || ((ref($args) eq 'HASH') && ($args->{'browser.unicode'}))) { - $headerstring.= - '{'frameset'}) { - $headerstring.= ' /'; + $headerstring.= ' /'; } - $headerstring .= '>'."\n"; + $headerstring .= '>'."\n"; } return $headerstring; } @@ -8093,14 +8674,12 @@ $args - additional optional args support skip_phases -> hash ref of head -> skip the generation body -> skip all generation - 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 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 + 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 @@ -8118,11 +8697,17 @@ sub start_page { #&Apache::lonnet::logthis("start_page ".join(':',caller(0))); $env{'internal.start_page'}++; - my ($result,@advtools); + my ($result,@advtools,$ltiscope,$ltiuri); if (! exists($args->{'skip_phases'}{'head'}) ) { $result .= &xml_begin($args->{'frameset'}) . &headtag($title, $head_extra, $args); } + + if (($env{'request.course.id'}) && ($env{'request.lti.login'})) { + ($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'}); + } if (! exists($args->{'skip_phases'}{'body'}) ) { if ($args->{'frameset'}) { @@ -8135,8 +8720,8 @@ sub start_page { $args->{'function'}, $args->{'add_entries'}, $args->{'only_body'}, $args->{'domain'}, $args->{'force_register'}, $args->{'no_nav_bar'}, - $args->{'bgcolor'}, $args->{'no_inline_link'}, - $args, \@advtools); + $args->{'bgcolor'}, $args, + \@advtools,$ltiscope,$ltiuri); } } @@ -8171,7 +8756,11 @@ sub start_page { } my $menulink; # if arg: bread_crumbs_nomenu is true pass 0 as $menulink item. - if (exists($args->{'bread_crumbs_nomenu'})) { + if ((exists($args->{'bread_crumbs_nomenu'})) || + ($ltiscope eq 'map') || ($ltiscope eq 'resource') || + ((($args->{'crstype'} eq 'Placement') || (($env{'request.course.id'}) && + ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement'))) && + (!$env{'request.role.adv'}))) { $menulink = 0; } else { undef($menulink); @@ -8179,14 +8768,9 @@ sub start_page { #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'},'',$menulink); - }else{ + } else { $result .= &Apache::lonhtmlcommon::breadcrumbs('','',$menulink); } - } elsif (($env{'environment.remote'} eq 'on') && - ($env{'form.inhibitmenu'} ne 'yes') && - ($env{'request.noversionuri'} =~ m{^/res/}) && - ($env{'request.noversionuri'} !~ m{^/res/adm/pages/})) { - $result .= '
'; } return $result; } @@ -8334,7 +8918,7 @@ sub modal_adhoc_inner { my ($funcname,$width,$height,$content)=@_; my $innerwidth=$width-20; $content=&js_ready( - &start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}). + &start_page('Dialog',undef,{'only_body'=>1,'bgcolor'=>'#FFFFFF'}). &start_scrollbox($width.'px',$innerwidth.'px',$height.'px','myModal','#FFFFFF',undef,1). $content. &end_scrollbox(). @@ -8706,14 +9290,21 @@ function expand_div(caller) { sub simple_error_page { my ($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($r)) { @@ -9019,7 +9610,7 @@ sub get_sections { } } - if ($check_students) { + if ($check_students) { my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum); my $sec_index = &Apache::loncoursedata::CL_SECTION(); my $status_index = &Apache::loncoursedata::CL_STATUS(); @@ -9341,8 +9932,8 @@ Incoming parameters: 2. user's domain 3. quota name - portfolio, author, or course (if no quota name provided, defaults to portfolio). -4. crstype - official, unofficial, textbook or community, if quota name is - course +4. crstype - official, unofficial, textbook, placement or community, + if quota name is course Returns: 1. Disk quota (in MB) assigned to student. @@ -9415,8 +10006,9 @@ sub get_user_quota { if ($quota eq '' || wantarray) { if ($quotaname eq 'course') { my %domdefs = &Apache::lonnet::get_domain_defaults($udom); - if (($crstype eq 'official') || ($crstype eq 'unofficial') || - ($crstype eq 'community') || ($crstype eq 'textbook')) { + if (($crstype eq 'official') || ($crstype eq 'unofficial') || + ($crstype eq 'community') || ($crstype eq 'textbook') || + ($crstype eq 'placement')) { $defquota = $domdefs{$crstype.'quota'}; } if ($defquota eq '') { @@ -9564,7 +10156,7 @@ Inputs: 7 4. filename of file for which action is being requested 5. filesize (kB) of file 6. action being taken: copy or upload. -7. quotatype (in course context -- official, unofficial, community or textbook). +7. quotatype (in course context -- official, unofficial, textbook, placement or community). Returns: 1 scalar: HTML to display containing warning if quota would be exceeded, otherwise return null. @@ -9600,6 +10192,8 @@ sub excess_filesize_warning { ############################################### + + sub get_secgrprole_info { my ($cdom,$cnum,$needroles,$type) = @_; my %sections_count = &get_sections($cdom,$cnum); @@ -9708,7 +10302,16 @@ sub user_picker { $allow_blank = 0; $domform = &select_dom_form($currdom,'srchdomain',$allow_blank,1,undef,[$currdom]); } else { - $domform = &select_dom_form($currdom,'srchdomain',$allow_blank,1); + my $defdom = $env{'request.role.domain'}; + my ($trusted,$untrusted); + if (($context eq 'requestcrs') || ($context eq 'course')) { + ($trusted,$untrusted) = &Apache::lonnet::trusted_domains('enroll',$defdom); + } elsif ($context eq 'author') { + ($trusted,$untrusted) = &Apache::lonnet::trusted_domains('othcoau',$defdom); + } elsif ($context eq 'domain') { + ($trusted,$untrusted) = &Apache::lonnet::trusted_domains('domroles',$defdom); + } + $domform = &select_dom_form($currdom,'srchdomain',$allow_blank,1,undef,$trusted,$untrusted); } my $srchinsel = ' 1}); if ($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'}); + $clonemsg = &mt('No new community created.').$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, $clonehome); } } @@ -14856,7 +15707,7 @@ sub check_clone { if ($args->{'ccdomain'} eq $args->{'clonedomain'}) { $can_clone = 1; } - } elsif (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) && + } elsif (($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'})) { @@ -14875,7 +15726,7 @@ sub check_clone { $can_clone = 1; } unless ($can_clone) { - if (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) && + if (($clonehash{'internal.coursecode'}) && ($args->{'crscode'}) && ($args->{'clonedomain'} eq $args->{'course_domain'})) { my (%gotdomdefaults,%gotcodedefaults); foreach my $cloner (@cloners) { @@ -14914,12 +15765,12 @@ sub check_clone { if ($args->{'crstype'} eq 'Community') { $ccrole = 'co'; } - my %roleshash = - &Apache::lonnet::get_my_roles($args->{'ccuname'}, - $args->{'ccdomain'}, + my %roleshash = + &Apache::lonnet::get_my_roles($args->{'ccuname'}, + $args->{'ccdomain'}, 'userroles',['active'],[$ccrole], - [$args->{'clonedomain'}]); - if ($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) { + [$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'})) { @@ -14931,7 +15782,7 @@ sub check_clone { $clonemsg = &mt('No new community created.').$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'}); - } + } } } } @@ -14968,7 +15819,12 @@ sub construct_course { # # Open course # - my $crstype = lc($args->{'crstype'}); + my $showncrstype; + if ($args->{'crstype'} eq 'Placement') { + $showncrstype = 'placement test'; + } else { + $showncrstype = lc($args->{'crstype'}); + } my %cenv=(); $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'}, $args->{'cdescr'}, @@ -14985,7 +15841,7 @@ sub construct_course { # Utils::Course. This needs to at least be output as a comment # if anyone ever decides to not show this, and Utils::Course::new # will need to be suitably modified. - $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed; + $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$showncrstype,$$courseid).$linefeed; if ($$courseid =~ /^error:/) { return (0,$outcome); } @@ -15005,7 +15861,7 @@ sub construct_course { # Do the cloning # if ($can_clone && $cloneid) { - $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome); + $clonemsg = &mt('Cloning [_1] from [_2]',$showncrstype,$clonehome); if ($context ne 'auto') { $clonemsg = ''.$clonemsg.''; } @@ -15173,7 +16029,7 @@ sub construct_course { $outcome .= $linefeed; } else { $outcome .= "

\n"; - } + } } if ($args->{'no_end_date'}) { $args->{'endaccess'} = 0; @@ -15242,7 +16098,7 @@ sub construct_course { if (ref($crsinfo{$$crsudom.'_'.$$crsunum}) eq 'HASH') { $crsinfo{$$crsudom.'_'.$$crsunum}{'uniquecode'} = $code; my $putres = &Apache::lonnet::courseidput($$crsudom,\%crsinfo,$crsuhome,'notime'); - } + } if (ref($coderef)) { $$coderef = $code; } @@ -15314,6 +16170,30 @@ sub construct_course { $outcome .= ($fatal?$errtext:'write ok').$linefeed; } +# +# Set params for Placement Tests +# + if ($args->{'crstype'} eq 'Placement') { + my %storecontent; + my $prefix=$$crsudom.'_'.$$crsunum.'.0.'; + my %defaults = ( + buttonshide => { value => 'yes', + type => 'string_yesno',}, + type => { value => 'randomizetry', + type => 'string_questiontype',}, + maxtries => { value => 1, + type => 'int_pos',}, + problemstatus => { value => 'no', + type => 'string_problemstatus',}, + ); + foreach my $key (keys(%defaults)) { + $storecontent{$prefix.$key} = $defaults{$key}{'value'}; + $storecontent{$prefix.$key.'.type'} = $defaults{$key}{'type'}; + } + &Apache::lonnet::cput + ('resourcedata',\%storecontent,$$crsudom,$$crsunum); + } + return (1,$outcome); } @@ -15327,7 +16207,7 @@ sub make_unique_code { my $tries = 0; my $gotlock = &Apache::lonnet::newput_dom('uniquecodes',$lockhash,$cdom); my ($code,$error); - + while (($gotlock ne 'ok') && ($tries<3)) { $tries ++; sleep 1; @@ -15374,8 +16254,7 @@ sub generate_code { ############################################################ ############################################################ -#SD -# only Community and Course, or anything else? +# Community, Course and Placement Test sub course_type { my ($cid) = @_; if (!defined($cid)) { @@ -15393,17 +16272,20 @@ sub group_term { my %names = ( 'Course' => 'group', 'Community' => 'group', + 'Placement' => 'group', ); return $names{$crstype}; } sub course_types { - my @types = ('official','unofficial','community','textbook'); + my @types = ('official','unofficial','community','textbook','placement','lti'); my %typename = ( official => 'Official course', unofficial => 'Unofficial course', community => 'Community', textbook => 'Textbook course', + placement => 'Placement test', + lti => 'LTI provider', ); return (\@types,\%typename); } @@ -15490,8 +16372,6 @@ sub init_user_environment { my $public=($username eq 'public' && $domain eq 'public'); -# See if old ID present, if so, remove - my ($filename,$cookie,$userroles,$firstaccenv,$timerintenv); my $now=time; @@ -15513,12 +16393,29 @@ sub init_user_environment { } if (!$cookie) { $cookie="publicuser_$oldest"; } } else { - # if this isn't a robot, kill any existing non-robot sessions + # See if old ID present, if so, remove if this isn't a robot, + # killing any existing non-robot sessions if (!$args->{'robot'}) { opendir(DIR,$lonids); while ($filename=readdir(DIR)) { if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) { - unlink($lonids.'/'.$filename); + if ($ENV{'SERVER_PORT'} == 443) { + my $linkedfile; + if (tie(my %oldenv,'GDBM_File',"$lonids/$cookie.id", + &GDBM_READER(),0640)) { + if (exists($oldenv{'user.linkedenv'})) { + $linkedfile = $oldenv{'user.linkedenv'}; + } + untie(%oldenv); + } + if (unlink($lonids.'/'.$filename)) { + if ($linkedfile =~ /^[a-f0-9]+_linked\.id$/) { + unlink($lonids.'/'.$linkedfile); + } + } + } else { + unlink($lonids.'/'.$filename); + } } } closedir(DIR); @@ -15553,8 +16450,7 @@ sub init_user_environment { my %userenv = &Apache::lonnet::dump('environment',$domain,$username); my ($tmp) = keys(%userenv); - if ($tmp !~ /^(con_lost|error|no_such_host)/i) { - } else { + if ($tmp =~ /^(con_lost|error|no_such_host)/i) { undef(%userenv); } if (($userenv{'interface'}) && (!$form->{'interface'})) { @@ -15625,7 +16521,7 @@ sub init_user_environment { undef,\%userenv,\%domdef,\%is_adv); } - foreach my $crstype ('official','unofficial','community','textbook') { + foreach my $crstype ('official','unofficial','community','textbook','placement','lti') { $userenv{'canrequest.'.$crstype} = &Apache::lonnet::usertools_access($username,$domain,$crstype, 'reload','requestcourses', @@ -15639,14 +16535,42 @@ sub init_user_environment { my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'], $domain,$username); my $reqstatus = $reqauthor{'author_status'}; - if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { + if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { if (ref($reqauthor{'author'}) eq 'HASH') { $userenv{'requestauthorqueued'} = $reqstatus.':'. $reqauthor{'author'}{'timestamp'}; } } + my ($types,$typename) = &course_types(); + if (ref($types) eq 'ARRAY') { + my @options = ('approval','validate','autolimit'); + my $optregex = join('|',@options); + my (%willtrust,%trustchecked); + foreach my $type (@{$types}) { + my $dom_str = $env{'environment.reqcrsotherdom.'.$type}; + if ($dom_str ne '') { + my $updatedstr = ''; + my @possdomains = split(',',$dom_str); + foreach my $entry (@possdomains) { + my ($extdom,$extopt) = split(':',$entry); + unless ($trustchecked{$extdom}) { + $willtrust{$extdom} = &Apache::lonnet::will_trust('reqcrs',$domain,$extdom); + $trustchecked{$extdom} = 1; + } + if ($willtrust{$extdom}) { + $updatedstr .= $entry.','; + } + } + $updatedstr =~ s/,$//; + if ($updatedstr) { + $userenv{'reqcrsotherdom.'.$type} = $updatedstr; + } else { + delete($userenv{'reqcrsotherdom.'.$type}); + } + } + } + } } - $env{'user.environment'} = "$lonids/$cookie.id"; if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id", @@ -15750,12 +16674,12 @@ and quotacheck.pl Inputs: -filterlist - anonymous array of fields to include as potential filters +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"). + 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 @@ -15771,19 +16695,19 @@ cloneruname - username of owner of new c 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) +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". +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 +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 +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 @@ -15874,15 +16798,19 @@ sub build_filters { $createdfilterform = &timebased_select_form('createdfilter',$filter); } + my $prefix = $crstype; + if ($crstype eq 'Placement') { + $prefix = 'Placement Test' + } my %lt = &Apache::lonlocal::texthash( - 'cac' => "$crstype Activity", - 'ccr' => "$crstype Created", - 'cde' => "$crstype Title", - 'cdo' => "$crstype Domain", + 'cac' => "$prefix Activity", + 'ccr' => "$prefix Created", + 'cde' => "$prefix Title", + 'cdo' => "$prefix Domain", 'ins' => 'Institutional Code', 'inc' => 'Institutional Categorization', - 'cow' => "$crstype Owner/Co-owner", - 'cop' => "$crstype Personnel Includes", + 'cow' => "$prefix Owner/Co-owner", + 'cop' => "$prefix Personnel Includes", 'cog' => 'Type', ); @@ -15890,6 +16818,8 @@ sub build_filters { my $typeval = 'Course'; if ($crstype eq 'Community') { $typeval = 'Community'; + } elsif ($crstype eq 'Placement') { + $typeval = 'Placement'; } $typeselectform = ''; } else { @@ -15898,9 +16828,15 @@ sub build_filters { $typeselectform .= ' onchange="'.$onchange.'"'; } $typeselectform .= '>'."\n"; - foreach my $posstype ('Course','Community') { + foreach my $posstype ('Course','Community','Placement') { + my $shown; + if ($posstype eq 'Placement') { + $shown = &mt('Placement Test'); + } else { + $shown = &mt($posstype); + } $typeselectform.='\n"; + ($posstype eq $crstype ? ' selected="selected" ' : ''). ">".$shown."\n"; } $typeselectform.=""; } @@ -15925,7 +16861,7 @@ sub build_filters { if (exists($filter->{'instcodefilter'})) { # if (($fixeddom) || ($formname eq 'requestcrs') || # ($formname eq 'modifycourse') || ($formname eq 'filterpicker')) { - if ($codedom) { + if ($codedom) { $officialjs = 1; ($instcodeform,$jscript,$$numtitlesref) = &Apache::courseclassifier::instcode_selectors($codedom,'filterpicker', @@ -16054,7 +16990,7 @@ $typeelement return $jscript.$clonewarning.$output; } -=pod +=pod =item * &timebased_select_form() @@ -16069,7 +17005,7 @@ item - name of form element (sincefilter 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. + with value set in incoming form variables currently selected. Side Effects: None @@ -16106,7 +17042,7 @@ page load completion for page showing se Inputs: None -Returns: markup containing updateFilters() and hideSearching() javascript functions. +Returns: markup containing updateFilters() and hideSearching() javascript functions. Side Effects: None @@ -16145,7 +17081,7 @@ to retrieve a hash for which keys are co Inputs: -dom - domain being searched +dom - domain being searched type - course type ('Course' or 'Community' or '.' if any). @@ -16157,7 +17093,7 @@ cloneruname - optional username of new c clonerudom - optional domain of new course owner -domcloner - optional "domcloner" flag; has value=1 if user has ccc priv in domain being filtered by, +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). @@ -16167,8 +17103,8 @@ cc_clone - escaped comma separated list 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 +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. @@ -16294,8 +17230,8 @@ $required - LON-CAPA version needed by c Returns: -$switchserver - query string tp append to /adm/switchserver call (if - current server's LON-CAPA version is too old. +$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. @@ -16408,7 +17344,7 @@ 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). + change in current course. (default: 600 s). Returns: an array; first element is: @@ -16416,9 +17352,9 @@ Returns: an array; first element is: '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 + on current server hosting user's session '' - if no action required. @@ -16426,10 +17362,10 @@ Returns: an array; first element is: If first item element is 'switch': -second item is $switchwarning - Warning message if no suitable server found to host session. +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. + and current role. otherwise: no other elements returned. @@ -16447,8 +17383,12 @@ 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}); + my $blocked = &blocking_status('reinit',$cnum,$cdom,undef,1); + if ($blocked) { + return (); + } + my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum); if ($lastchange > $env{'request.course.tied'}) { my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired'); if ($curr_reqd_hash{'internal.releaserequired'} ne '') { @@ -16474,19 +17414,31 @@ sub update_content_constraints { my ($cdom,$cnum,$chome,$cid) = @_; my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired'); my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'}); - my %checkresponsetypes; + my (%checkresponsetypes,%checkcrsrestypes); foreach my $key (keys(%Apache::lonnet::needsrelease)) { my ($item,$name,$value) = split(/:/,$key); if ($item eq 'resourcetag') { if ($name eq 'responsetype') { $checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key} } + } elsif ($item eq 'course') { + if ($name eq 'courserestype') { + $checkcrsrestypes{$value} = $Apache::lonnet::needsrelease{$key}; + } } } my $navmap = Apache::lonnavmaps::navmap->new(); if (defined($navmap)) { - my %allresponses; - foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) { + my (%allresponses,%allcrsrestypes); + foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() || $_[0]->is_tool() },1,0)) { + if ($res->is_tool()) { + if ($allcrsrestypes{'exttool'}) { + $allcrsrestypes{'exttool'} ++; + } else { + $allcrsrestypes{'exttool'} = 1; + } + next; + } my %responses = $res->responseTypes(); foreach my $key (keys(%responses)) { next unless(exists($checkresponsetypes{$key})); @@ -16499,8 +17451,24 @@ sub update_content_constraints { ($reqdmajor,$reqdminor) = ($major,$minor); } } + foreach my $key (keys(%allcrsrestypes)) { + my ($major,$minor) = split(/\./,$checkcrsrestypes{$key}); + if (($major > $reqdmajor) || ($major == $reqdmajor && $minor > $reqdminor)) { + ($reqdmajor,$reqdminor) = ($major,$minor); + } + } undef($navmap); } + my $suppmap = 'supplemental.sequence'; + my ($suppcount,$supptools,$errors) = (0,0,0); + ($suppcount,$supptools,$errors) = &recurse_supplemental($cnum,$cdom,$suppmap, + $suppcount,$supptools,$errors); + if ($supptools) { + my ($major,$minor) = split(/\./,$checkcrsrestypes{'exttool'}); + if (($major > $reqdmajor) || ($major == $reqdmajor && $minor > $reqdminor)) { + ($reqdmajor,$reqdminor) = ($major,$minor); + } + } unless (($reqdmajor eq '') && ($reqdminor eq '')) { &Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid); } @@ -16557,7 +17525,7 @@ sub parse_supplemental_title { } sub recurse_supplemental { - my ($cnum,$cdom,$suppmap,$numfiles,$errors) = @_; + my ($cnum,$cdom,$suppmap,$numfiles,$numexttools,$errors) = @_; if ($suppmap) { my ($errtext,$fatal) = &LONCAPA::map::mapread('/uploaded/'.$cdom.'/'.$cnum.'/'.$suppmap); if ($fatal) { @@ -16568,8 +17536,12 @@ sub recurse_supplemental { my ($title,$src,$ext,$type,$status)=split(/\:/,$res); if (($src ne '') && ($status eq 'res')) { if ($src =~ m{^\Q/uploaded/$cdom/$cnum/\E(supplemental_\d+\.sequence)$}) { - ($numfiles,$errors) = &recurse_supplemental($cnum,$cdom,$1,$numfiles,$errors); + ($numfiles,$numexttools,$errors) = &recurse_supplemental($cnum,$cdom,$1, + $numfiles,$numexttools,$errors); } else { + if ($src =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) { + $numexttools ++; + } $numfiles ++; } } @@ -16577,7 +17549,7 @@ sub recurse_supplemental { } } } - return ($numfiles,$errors); + return ($numfiles,$numexttools,$errors); } sub symb_to_docspath { @@ -16653,7 +17625,7 @@ sub symb_to_docspath { sub captcha_display { my ($context,$lonhost) = @_; my ($output,$error); - my ($captcha,$pubkey,$privkey,$version) = + my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost); if ($captcha eq 'original') { $output = &create_captcha(); @@ -16724,7 +17696,7 @@ sub get_captcha_config { $captcha = 'recaptcha'; $version = $domconfhash{$serverhomedom.'.login.recaptchaversion'}; if ($version ne '2') { - $version = 1; + $version = 1; } } else { $captcha = 'original'; @@ -16806,21 +17778,26 @@ sub create_recaptcha { &mt('If the text is hard to read, [_1] will replace them.', 'reCAPTCHA refresh'). '

'; - } + } } sub check_recaptcha { my ($privkey,$version) = @_; my $captcha_chk; if ($version >= 2) { - my $ua = LWP::UserAgent->new; - $ua->timeout(10); my %info = ( - secret => $privkey, + secret => $privkey, response => $env{'form.g-recaptcha-response'}, remoteip => $ENV{'REMOTE_ADDR'}, ); - my $response = $ua->post('https://www.google.com/recaptcha/api/siteverify',\%info); + my $request=new HTTP::Request('POST','https://www.google.com/recaptcha/api/siteverify'); + $request->content(join('&',map { + my $name = escape($_); + "$name=" . ( ref($info{$_}) eq 'ARRAY' + ? join("&$name=", map {escape($_) } @{$info{$_}}) + : &escape($info{$_}) ); + } keys(%info))); + my $response = &LONCAPA::LWPReq::makerequest('',$request,'','',10,1); if ($response->is_success) { my $data = JSON::DWIW->from_json($response->decoded_content); if (ref($data) eq 'HASH') { @@ -16883,21 +17860,37 @@ 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) = @_; if ((time-$env{'user.criticalcheck.time'})>$interval) { - my @what=&Apache::lonnet::dump('critical', $env{'user.domain'}, + if (($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 $blocked = &blocking_status('alert',$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\:/)) { - $redirecturl='/adm/email?critical=display'; - my $url=&Apache::lonnet::absolute_url().$redirecturl; + 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 (); } @@ -16951,6 +17944,142 @@ sub des_decrypt { return $plaintext; } +sub make_short_symbs { + my ($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); + my %tocreate; + if (keys(%resources)) { + foreach my $item (sort {$a <=> $b} (@toshorten)) { + my $symb = $resources{$item}; + if ($symb) { + $tocreate{$cnum.'&'.$symb} = 1; + } + } + } + if (keys(%tocreate)) { + my %coursetiny = &Apache::lonnet::dump('tiny',$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; + my $lockhash = { + "lock\0$now" => $env{'user.name'}. + ':'.$env{'user.domain'}, + }; + my $tries = 0; + my $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom); + my ($code,$error); + while (($gotlock ne 'ok') && ($tries<3)) { + $tries ++; + sleep 1; + $gotlock = &Apache::lonnet::newput_dom('uniquecodes',$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; + } + } + } + return $init; +} + 1; __END__;