--- loncom/interface/loncommon.pm 2016/09/15 04:18:38 1.1075.2.112 +++ loncom/interface/loncommon.pm 2020/10/01 12:34:08 1.1075.2.141.2.9 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.1075.2.112 2016/09/15 04:18:38 raeburn Exp $ +# $Id: loncommon.pm,v 1.1075.2.141.2.9 2020/10/01 12:34:08 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -71,6 +71,7 @@ use Apache::lonuserutils(); use Apache::lonuserstate(); use Apache::courseclassifier(); use LONCAPA qw(:DEFAULT :match); +use HTTP::Request; use DateTime::TimeZone; use DateTime::Locale; use Encode(); @@ -80,6 +81,10 @@ use JSON::DWIW; use LWP::UserAgent; use Crypt::DES; use DynaLoader; # for Crypt::DES version +use File::Copy(); +use File::Path(); +use String::CRC32(); +use Short::URL(); # ---------------------------------------------- Designs use vars qw(%defaultdesign); @@ -194,7 +199,7 @@ BEGIN { { my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/language.tab'; - if ( open(my $fh,"<$langtabfile") ) { + if ( open(my $fh,'<',$langtabfile) ) { while (my $line = <$fh>) { next if ($line=~/^\#/); chomp($line); @@ -215,7 +220,7 @@ BEGIN { { my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. '/copyright.tab'; - if ( open (my $fh,"<$copyrightfile") ) { + if ( open (my $fh,'<',$copyrightfile) ) { while (my $line = <$fh>) { next if ($line=~/^\#/); chomp($line); @@ -229,7 +234,7 @@ BEGIN { { my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}. '/source_copyright.tab'; - if ( open (my $fh,"<$sourcecopyrightfile") ) { + if ( open (my $fh,'<',$sourcecopyrightfile) ) { while (my $line = <$fh>) { next if ($line =~ /^\#/); chomp($line); @@ -243,7 +248,7 @@ BEGIN { # -------------------------------------------------------------- default domain designs my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors'; my $designfile = $designdir.'/default.tab'; - if ( open (my $fh,"<$designfile") ) { + if ( open (my $fh,'<',$designfile) ) { while (my $line = <$fh>) { next if ($line =~ /^\#/); chomp($line); @@ -257,12 +262,12 @@ BEGIN { { my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/filecategories.tab'; - if ( open (my $fh,"<$categoryfile") ) { + if ( open (my $fh,'<',$categoryfile) ) { while (my $line = <$fh>) { next if ($line =~ /^\#/); chomp($line); my ($extension,$category)=(split(/\s+/,$line,2)); - push @{$category_extensions{lc($category)}},$extension; + push(@{$category_extensions{lc($category)}},$extension); } close($fh); } @@ -272,7 +277,7 @@ BEGIN { { my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}. '/filetypes.tab'; - if ( open (my $fh,"<$typesfile") ) { + if ( open (my $fh,'<',$typesfile) ) { while (my $line = <$fh>) { next if ($line =~ /^\#/); chomp($line); @@ -425,7 +430,7 @@ sub studentbrowser_javascript { OFFLOAD - } } } } @@ -7837,6 +8105,7 @@ OFFLOAD '; } + $result .= ''."\n"; return $result.''; } @@ -8018,8 +8287,14 @@ $args - additional optional args support no_auto_mt_title -> prevent &mt()ing the title arg bread_crumbs -> Array containing breadcrumbs bread_crumbs_component -> if exists show it as headline else show only the breadcrumbs + bread_crumbs_nomenu -> if true will pass false as the value of $menulink + to lonhtmlcommon::breadcrumbs group -> includes the current group, if page is for a specific group + use_absolute -> for request for external resource or syllabus, this + will contain https:// if server uses + https (as per hosts.tab), but request is for http + hostname -> hostname, originally from $r->hostname(), (optional). =back @@ -8083,12 +8358,18 @@ sub start_page { if (@advtools > 0) { &Apache::lonmenu::advtools_crumbs(@advtools); } - + my $menulink; + # if arg: bread_crumbs_nomenu is true pass 0 as $menulink item. + if (exists($args->{'bread_crumbs_nomenu'})) { + $menulink = 0; + } else { + undef($menulink); + } #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'}); + $result .= &Apache::lonhtmlcommon::breadcrumbs($args->{'bread_crumbs_component'},'',$menulink); }else{ - $result .= &Apache::lonhtmlcommon::breadcrumbs(); + $result .= &Apache::lonhtmlcommon::breadcrumbs('','',$menulink); } } elsif (($env{'environment.remote'} eq 'on') && ($env{'form.inhibitmenu'} ne 'yes') && @@ -8190,7 +8471,7 @@ var modalWindow = { }; var openMyModal = function(source,width,height,scrolling,transparency,style) { - source = source.replace("'","'"); + source = source.replace(/'/g,"'"); modalWindow.windowId = "myModal"; modalWindow.width = width; modalWindow.height = height; @@ -8215,8 +8496,7 @@ sub modal_link { $target_attr = 'target="'.$target.'"'; } return <<"ENDLINK"; - - $linktext +$linktext ENDLINK } @@ -8319,8 +8599,9 @@ sub end_togglebox { } sub LCprogressbar_script { - my ($id)=@_; - return(< // ENDPROGRESS + } else { + return(< +// + +ENDPROGRESS + } } sub LCprogressbarUpdate_script { return(< .ui-progressbar { position:relative; } +.progress-label {position: absolute; width: 100%; text-align: center; top: 1px; font-weight: bold; text-shadow: 1px 1px 0 #fff;margin: 0; line-height: 200%; } .pblabel { position: absolute; width: 100%; text-align: center; line-height: 1.9em; } @@ -8359,37 +8662,54 @@ my $LCidcnt; my $LCcurrentid; sub LCprogressbar { - my ($r)=(@_); + my ($r,$number_to_do,$preamble)=@_; $LClastpercent=0; $LCidcnt++; $LCcurrentid=$$.'_'.$LCidcnt; - my $starting=&mt('Starting'); - my $content=(< $starting ENDPROGBAR - &r_print($r,$content.&LCprogressbar_script($LCcurrentid)); + } else { + $starting=&mt('Loading...'); + $LClastpercent='false'; + $content=(< +
$starting
+ +ENDPROGBAR + } + &r_print($r,$content.&LCprogressbar_script($LCcurrentid,$number_to_do)); } sub LCprogressbarUpdate { - my ($r,$val,$text)=@_; - unless ($val) { - if ($LClastpercent) { - $val=$LClastpercent; - } else { - $val=0; - } + my ($r,$val,$text,$number_to_do)=@_; + if ($number_to_do) { + unless ($val) { + if ($LClastpercent) { + $val=$LClastpercent; + } else { + $val=0; + } + } + if ($val<0) { $val=0; } + if ($val>100) { $val=0; } + $LClastpercent=$val; + unless ($text) { $text=$val.'%'; } + } else { + $val = 'false'; } - if ($val<0) { $val=0; } - if ($val>100) { $val=0; } - $LClastpercent=$val; - unless ($text) { $text=$val.'%'; } $text=&js_ready($text); &r_print($r,< // ENDUPDATE @@ -9506,8 +9826,24 @@ sub get_secgrprole_info { } sub user_picker { - my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context) = @_; + my ($dom,$srch,$forcenewuser,$caller,$cancreate,$usertype,$context,$fixeddom,$noinstd) = @_; my $currdom = $dom; + my @alldoms = &Apache::lonnet::all_domains(); + if (@alldoms == 1) { + my %domsrch = &Apache::lonnet::get_dom('configuration', + ['directorysrch'],$alldoms[0]); + my $domdesc = &Apache::lonnet::domain($alldoms[0],'description'); + my $showdom = $domdesc; + if ($showdom eq '') { + $showdom = $dom; + } + if (ref($domsrch{'directorysrch'}) eq 'HASH') { + if ((!$domsrch{'directorysrch'}{'available'}) && + ($domsrch{'directorysrch'}{'lcavailable'} eq '0')) { + return (&mt('LON-CAPA directory search is not available in domain: [_1]',$showdom),0); + } + } + } my %curr_selected = ( srchin => 'dom', srchby => 'lastname', @@ -9554,7 +9890,14 @@ sub user_picker { ); &html_escape(\%html_lt); &js_escape(\%js_lt); - my $domform = &select_dom_form($currdom,'srchdomain',1,1); + my $domform; + my $allow_blank = 1; + if ($fixeddom) { + $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 $srchinsel = ' '.$parent_title.''. + $item.'"'.$checked.$disabled.' />'.$parent_title.''. ''; my $depth = 1; push(@path,$parent); - $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories); + $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories,$disabled); pop(@path); $table .= ''; $itemcount ++; @@ -14256,12 +14856,15 @@ path - Array containing all categories b currcategories - reference to array of current categories assigned to the course +disabled - scalar (optional) contains disabled="disabled" if input elements are + to be readonly (e.g., Domain Helpdesk role viewing course settings). + Returns: $output (markup to be displayed). =cut sub assign_category_rows { - my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_; + my ($itemcount,$cats,$depth,$parent,$path,$currcategories,$disabled) = @_; my ($text,$name,$item,$chgstr); if (ref($cats) eq 'ARRAY') { my $maxdepth = scalar(@{$cats}); @@ -14284,12 +14887,12 @@ sub assign_category_rows { } $text .= ''. + $item.'"'.$checked.$disabled.' />'.$name.''. ''. ''; if (ref($path) eq 'ARRAY') { push(@{$path},$name); - $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories); + $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories,$disabled); pop(@{$path}); } $text .= ''; @@ -14500,7 +15103,8 @@ sub check_clone { my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'}; my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid); my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom); - my $clonemsg; + my $clonetitle; + my @clonemsg; my $can_clone = 0; my $lctype = lc($args->{'crstype'}); if ($lctype ne 'community') { @@ -14508,19 +15112,41 @@ sub check_clone { } if ($clonehome eq 'no_host') { if ($args->{'crstype'} eq 'Community') { - $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'}); + push(@clonemsg,({ + mt => 'No new community created.', + args => [], + }, + { + mt => 'A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.', + args => [$args->{'clonedomain'}.':'.$args->{'clonedomain'}], + })); } else { - $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'}); - } + push(@clonemsg,({ + mt => 'No new course created.', + args => [], + }, + { + mt => 'A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.', + args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}], + })); + } } else { my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1}); + $clonetitle = $clonedesc{'description'}; if ($args->{'crstype'} eq 'Community') { if ($clonedesc{'type'} ne 'Community') { - $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'}); - return ($can_clone, $clonemsg, $cloneid, $clonehome); + push(@clonemsg,({ + mt => 'No new community created.', + args => [], + }, + { + mt => 'A new community could not be cloned from the specified original - [_1] - because it is a course not a community.', + args => [$args->{'clonecourse'}.':'.$args->{'clonedomain'}], + })); + return ($can_clone,\@clonemsg,$cloneid,$clonehome); } } - if (($env{'request.role.domain'} eq $args->{'clonedomain'}) && + if (($env{'request.role.domain'} eq $args->{'clonedomain'}) && (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) { $can_clone = 1; } else { @@ -14606,19 +15232,34 @@ sub check_clone { } unless ($can_clone) { if ($args->{'crstype'} eq 'Community') { - $clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}); + push(@clonemsg,({ + mt => 'No new community created.', + args => [], + }, + { + mt => 'The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).', + args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}], + })); } else { - $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}); - } + push(@clonemsg,({ + mt => 'No new course created.', + args => [], + }, + { + mt => 'The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).', + args => [$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'}], + })); + } } } } - return ($can_clone, $clonemsg, $cloneid, $clonehome); + return ($can_clone,\@clonemsg,$cloneid,$clonehome,$clonetitle); } sub construct_course { - my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category,$coderef) = @_; - my $outcome; + my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context, + $cnum,$category,$coderef,$callercontext,$user_lh) = @_; + my ($outcome,$msgref,$clonemsgref); my $linefeed = '
'."\n"; if ($context eq 'auto') { $linefeed = "\n"; @@ -14627,18 +15268,11 @@ sub construct_course { # # Are we cloning? # - my ($can_clone, $clonemsg, $cloneid, $clonehome); + my ($can_clone,$cloneid,$clonehome,$clonetitle); if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) { - ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed); - if ($context ne 'auto') { - if ($clonemsg ne '') { - $clonemsg = ''.$clonemsg.''; - } - } - $outcome .= $clonemsg.$linefeed; - + ($can_clone,$clonemsgref,$cloneid,$clonehome,$clonetitle) = &check_clone($args,$linefeed); if (!$can_clone) { - return (0,$outcome); + return (0,$outcome,$clonemsgref); } } @@ -14656,15 +15290,20 @@ sub construct_course { $args->{'ccuname'}.':'. $args->{'ccdomain'}, $args->{'crstype'}, - $cnum,$context,$category); + $cnum,$context,$category, + $callercontext); # Note: The testing routines depend on this being output; see # Utils::Course. This needs to at least be output as a comment # if anyone ever decides to not show this, and Utils::Course::new # will need to be suitably modified. - $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed; + if (($callercontext eq 'auto') && ($user_lh ne '')) { + $outcome .= &mt_user($user_lh,'New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed; + } else { + $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed; + } if ($$courseid =~ /^error:/) { - return (0,$outcome); + return (0,$outcome,$clonemsgref); } # @@ -14673,23 +15312,37 @@ sub construct_course { ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid); my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom); if ($crsuhome eq 'no_host') { - $outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed; - return (0,$outcome); + if (($callercontext eq 'auto') && ($user_lh ne '')) { + $outcome .= &mt_user($user_lh, + 'Course creation failed, unrecognized course home server.'); + } else { + $outcome .= &mt('Course creation failed, unrecognized course home server.'); + } + $outcome .= $linefeed; + return (0,$outcome,$clonemsgref); } $outcome .= &mt('Created on').': '.$crsuhome.$linefeed; # # Do the cloning # + my @clonemsg; if ($can_clone && $cloneid) { - $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome); - if ($context ne 'auto') { - $clonemsg = ''.$clonemsg.''; - } - $outcome .= $clonemsg.$linefeed; + push(@clonemsg, + { + mt => 'Created [_1] by cloning from [_2]', + args => [$crstype,$clonetitle], + }); my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum); # Copy all files - &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'}); + my @info = + &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'}, + $args->{'dateshift'},$args->{'crscode'}, + $args->{'ccuname'}.':'.$args->{'ccdomain'}, + $args->{'tinyurls'}); + if (@info) { + push(@clonemsg,@info); + } # Restore URL $cenv{'url'}=$oldcenv{'url'}; # Restore title @@ -14765,7 +15418,7 @@ sub construct_course { my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'}); $cenv{'internal.sectionnums'} .= $item.','; unless ($addcheck eq 'ok') { - push @badclasses, $class; + push(@badclasses,$class); } } $cenv{'internal.sectionnums'} =~ s/,$//; @@ -14793,7 +15446,7 @@ sub construct_course { my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'}); $cenv{'internal.crosslistings'} .= $item.','; unless ($addcheck eq 'ok') { - push @badclasses, $xl; + push(@badclasses,$xl); } } $cenv{'internal.crosslistings'} =~ s/,$//; @@ -14828,28 +15481,29 @@ sub construct_course { } if (@badclasses > 0) { my %lt=&Apache::lonlocal::texthash( - 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course', - 'dnhr' => 'does not have rights to access enrollment in these classes', - 'adby' => 'as determined by the policies of your institution on access to official classlists' + 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course.', + 'howi' => 'However, if automated course roster updates are enabled for this class, these particular sections/crosslistings are not guaranteed to contribute towards enrollment.', + 'itis' => 'It is possible that rights to access enrollment for these classes will be available through assignment of co-owners.', ); - my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}. - ' ('.$lt{'adby'}.')'; + my $badclass_msg = $lt{'tclb'}.$linefeed.$lt{'howi'}.$linefeed. + &mt('That is because the user identified as the course owner ([_1]) does not have rights to access enrollment in these classes, as determined by the policies of your institution on access to official classlists',$cenv{'internal.courseowner'}).$linefeed.$lt{'itis'}; if ($context eq 'auto') { $outcome .= $badclass_msg.$linefeed; + } else { $outcome .= '
'.$badclass_msg.$linefeed.'
    '."\n"; - foreach my $item (@badclasses) { - if ($context eq 'auto') { - $outcome .= " - $item\n"; - } else { - $outcome .= "
  • $item
    • \n"; - } - } + } + foreach my $item (@badclasses) { if ($context eq 'auto') { - $outcome .= $linefeed; + $outcome .= " - $item\n"; } else { - $outcome .= "


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

    \n"; + } } if ($args->{'no_end_date'}) { $args->{'endaccess'} = 0; @@ -14955,12 +15609,17 @@ sub construct_course { # Open all assignments # if ($args->{'openall'}) { + my $opendate = time; + if ($args->{'openallfrom'} =~ /^\d+$/) { + $opendate = $args->{'openallfrom'}; + } my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate'; - my %storecontent = ($storeunder => time, + my %storecontent = ($storeunder => $opendate, $storeunder.'.type' => 'date_start'); - - $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput - ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed; + $outcome .= &mt('All assignments open starting [_1]', + &Apache::lonlocal::locallocaltime($opendate)).': '. + &Apache::lonnet::cput + ('resourcedata',\%storecontent,$$crsudom,$$crsunum).$linefeed; } # # Set first page @@ -14990,7 +15649,7 @@ sub construct_course { $outcome .= ($fatal?$errtext:'write ok').$linefeed; } - return (1,$outcome); + return (1,$outcome,\@clonemsg); } sub make_unique_code { @@ -15194,7 +15853,23 @@ sub init_user_environment { opendir(DIR,$lonids); while ($filename=readdir(DIR)) { if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) { - unlink($lonids.'/'.$filename); + if (tie(my %oldenv,'GDBM_File',"$lonids/$filename", + &GDBM_READER(),0640)) { + my $linkedfile; + if (exists($oldenv{'user.linkedenv'})) { + $linkedfile = $oldenv{'user.linkedenv'}; + } + untie(%oldenv); + if (unlink("$lonids/$filename")) { + if ($linkedfile =~ /^[a-f0-9]+_linked$/) { + if (-l "$lonids/$linkedfile.id") { + unlink("$lonids/$linkedfile.id"); + } + } + } + } else { + unlink($lonids.'/'.$filename); + } } } closedir(DIR); @@ -15282,36 +15957,44 @@ sub init_user_environment { $env{'user.noloadbalance'} = $lonhost; } - my %is_adv = ( is_adv => $env{'user.adv'} ); - my %domdef; - unless ($domain eq 'public') { - %domdef = &Apache::lonnet::get_domain_defaults($domain); + if ($form->{'noloadbalance'}) { + my @hosts = &Apache::lonnet::current_machine_ids(); + my $hosthere = $form->{'noloadbalance'}; + if (grep(/^\Q$hosthere\E$/,@hosts)) { + $initial_env{"user.noloadbalance"} = $hosthere; + $env{'user.noloadbalance'} = $hosthere; + } } - foreach my $tool ('aboutme','blog','webdav','portfolio') { - $userenv{'availabletools.'.$tool} = - &Apache::lonnet::usertools_access($username,$domain,$tool,'reload', - undef,\%userenv,\%domdef,\%is_adv); - } + unless ($domain eq 'public') { + my %is_adv = ( is_adv => $env{'user.adv'} ); + my %domdef = &Apache::lonnet::get_domain_defaults($domain); - foreach my $crstype ('official','unofficial','community','textbook') { - $userenv{'canrequest.'.$crstype} = - &Apache::lonnet::usertools_access($username,$domain,$crstype, - 'reload','requestcourses', - \%userenv,\%domdef,\%is_adv); - } + foreach my $tool ('aboutme','blog','webdav','portfolio') { + $userenv{'availabletools.'.$tool} = + &Apache::lonnet::usertools_access($username,$domain,$tool,'reload', + undef,\%userenv,\%domdef,\%is_adv); + } + + foreach my $crstype ('official','unofficial','community','textbook') { + $userenv{'canrequest.'.$crstype} = + &Apache::lonnet::usertools_access($username,$domain,$crstype, + 'reload','requestcourses', + \%userenv,\%domdef,\%is_adv); + } - $userenv{'canrequest.author'} = - &Apache::lonnet::usertools_access($username,$domain,'requestauthor', - 'reload','requestauthor', - \%userenv,\%domdef,\%is_adv); - my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'], - $domain,$username); - my $reqstatus = $reqauthor{'author_status'}; - if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { - if (ref($reqauthor{'author'}) eq 'HASH') { - $userenv{'requestauthorqueued'} = $reqstatus.':'. - $reqauthor{'author'}{'timestamp'}; + $userenv{'canrequest.author'} = + &Apache::lonnet::usertools_access($username,$domain,'requestauthor', + 'reload','requestauthor', + \%userenv,\%domdef,\%is_adv); + my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'], + $domain,$username); + my $reqstatus = $reqauthor{'author_status'}; + if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { + if (ref($reqauthor{'author'}) eq 'HASH') { + $userenv{'requestauthorqueued'} = $reqstatus.':'. + $reqauthor{'author'}{'timestamp'}; + } } } @@ -15919,7 +16602,7 @@ sub search_courses { if (ref($courses{$cid}) eq 'HASH') { if (ref($courses{$cid}{roles}) eq 'ARRAY') { if (!grep(/^\Q$courserole\E$/,@{$courses{$cid}{roles}})) { - push (@{$courses{$cid}{roles}},$courserole); + push(@{$courses{$cid}{roles}},$courserole); } } else { $courses{$cid}{roles} = [$courserole]; @@ -16115,8 +16798,12 @@ 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 '') { @@ -16249,8 +16936,8 @@ sub recurse_supplemental { } sub symb_to_docspath { - my ($symb) = @_; - return unless ($symb); + my ($symb,$navmapref) = @_; + return unless ($symb && ref($navmapref)); my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb); if ($resurl=~/\.(sequence|page)$/) { $mapurl=$resurl; @@ -16258,9 +16945,11 @@ sub symb_to_docspath { $mapurl=$env{'course.'.$env{'request.course.id'}.'.url'}; } my $mapresobj; - my $navmap = Apache::lonnavmaps::navmap->new(); - if (ref($navmap)) { - $mapresobj = $navmap->getResourceByUrl($mapurl); + unless (ref($$navmapref)) { + $$navmapref = Apache::lonnavmaps::navmap->new(); + } + if (ref($$navmapref)) { + $mapresobj = $$navmapref->getResourceByUrl($mapurl); } $mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1}; my $type=$2; @@ -16270,7 +16959,7 @@ sub symb_to_docspath { if ($pcslist ne '') { foreach my $pc (split(/,/,$pcslist)) { next if ($pc <= 1); - my $res = $navmap->getByMapPc($pc); + my $res = $$navmapref->getByMapPc($pc); if (ref($res)) { my $thisurl = $res->src(); $thisurl=~s{^.*/([^/]+)\.\w+$}{$1}; @@ -16317,10 +17006,10 @@ sub symb_to_docspath { } sub captcha_display { - my ($context,$lonhost) = @_; + my ($context,$lonhost,$defdom) = @_; my ($output,$error); my ($captcha,$pubkey,$privkey,$version) = - &get_captcha_config($context,$lonhost); + &get_captcha_config($context,$lonhost,$defdom); if ($captcha eq 'original') { $output = &create_captcha(); unless ($output) { @@ -16336,9 +17025,9 @@ sub captcha_display { } sub captcha_response { - my ($context,$lonhost) = @_; + my ($context,$lonhost,$defdom) = @_; my ($captcha_chk,$captcha_error); - my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost); + my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost,$defdom); if ($captcha eq 'original') { ($captcha_chk,$captcha_error) = &check_captcha(); } elsif ($captcha eq 'recaptcha') { @@ -16350,7 +17039,7 @@ sub captcha_response { } sub get_captcha_config { - my ($context,$lonhost) = @_; + my ($context,$lonhost,$dom_in_effect) = @_; my ($captcha,$pubkey,$privkey,$version,$hashtocheck); my $hostname = &Apache::lonnet::hostname($lonhost); my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname); @@ -16398,6 +17087,27 @@ sub get_captcha_config { } elsif ($domconfhash{$serverhomedom.'.login.captcha'} eq 'original') { $captcha = 'original'; } + } elsif ($context eq 'passwords') { + if ($dom_in_effect) { + my %passwdconf = &Apache::lonnet::get_passwdconf($dom_in_effect); + if ($passwdconf{'captcha'} eq 'recaptcha') { + if (ref($passwdconf{'recaptchakeys'}) eq 'HASH') { + $pubkey = $passwdconf{'recaptchakeys'}{'public'}; + $privkey = $passwdconf{'recaptchakeys'}{'private'}; + } + if ($privkey && $pubkey) { + $captcha = 'recaptcha'; + $version = $passwdconf{'recaptchaversion'}; + if ($version ne '2') { + $version = 1; + } + } else { + $captcha = 'original'; + } + } elsif ($passwdconf{'captcha'} ne 'notused') { + $captcha = 'original'; + } + } } return ($captcha,$pubkey,$privkey,$version); } @@ -16549,9 +17259,25 @@ 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) { + 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}); @@ -16617,6 +17343,299 @@ sub des_decrypt { return $plaintext; } +sub get_requested_shorturls { + my ($cdom,$cnum,$navmap) = @_; + return unless (ref($navmap)); + my ($numnew,$errors); + my @toshorten = &Apache::loncommon::get_env_multiple('form.addtiny'); + if (@toshorten) { + my (%maps,%resources,%titles); + &Apache::loncourserespicker::enumerate_course_contents($navmap,\%maps,\%resources,\%titles, + 'shorturls',$cdom,$cnum); + if (keys(%resources)) { + my %tocreate; + foreach my $item (sort {$a <=> $b} (@toshorten)) { + my $symb = $resources{$item}; + if ($symb) { + $tocreate{$cnum.'&'.$symb} = 1; + } + } + if (keys(%tocreate)) { + ($numnew,$errors) = &make_short_symbs($cdom,$cnum, + \%tocreate); + } + } + } + return ($numnew,$errors); +} + +sub make_short_symbs { + my ($cdom,$cnum,$tocreateref,$lockuser) = @_; + my ($numnew,@errors); + if (ref($tocreateref) eq 'HASH') { + my %tocreate = %{$tocreateref}; + if (keys(%tocreate)) { + my %coursetiny = &Apache::lonnet::dump('tiny',$cdom,$cnum); + my $su = Short::URL->new(no_vowels => 1); + my $init = ''; + my (%newunique,%addcourse,%courseonly,%failed); + # get lock on tiny db + my $now = time; + if ($lockuser eq '') { + $lockuser = $env{'user.name'}.':'.$env{'user.domain'}; + } + my $lockhash = { + "lock\0$now" => $lockuser, + }; + my $tries = 0; + my $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom); + my ($code,$error); + while (($gotlock ne 'ok') && ($tries<3)) { + $tries ++; + sleep 1; + $gotlock = &Apache::lonnet::newput_dom('tiny',$lockhash,$cdom); + } + if ($gotlock eq 'ok') { + $init = &shorten_symbs($cdom,$init,$su,\%coursetiny,\%tocreate,\%newunique, + \%addcourse,\%courseonly,\%failed); + if (keys(%failed)) { + my $numfailed = scalar(keys(%failed)); + push(@errors,&mt('error: could not obtain unique six character URL for [quant,_1,resource]',$numfailed)); + } + if (keys(%newunique)) { + my $putres = &Apache::lonnet::newput_dom('tiny',\%newunique,$cdom); + if ($putres eq 'ok') { + $numnew = scalar(keys(%newunique)); + my $newputres = &Apache::lonnet::newput('tiny',\%addcourse,$cdom,$cnum); + unless ($newputres eq 'ok') { + push(@errors,&mt('error: could not store course look-up of short URLs')); + } + } else { + push(@errors,&mt('error: could not store unique six character URLs')); + } + } + } + } + } + return ($numnew,\@errors); +} + +sub shorten_symbs { + my ($cdom,$init,$su,$coursetiny,$tocreate,$newunique,$addcourse,$courseonly,$failed) = @_; + return unless ((ref($su)) && (ref($coursetiny) eq 'HASH') && (ref($tocreate) eq 'HASH') && + (ref($newunique) eq 'HASH') && (ref($addcourse) eq 'HASH') && + (ref($courseonly) eq 'HASH') && (ref($failed) eq 'HASH')); + my (%possibles,%collisions); + foreach my $key (keys(%{$tocreate})) { + my $num = String::CRC32::crc32($key); + my $tiny = $su->encode($num,$init); + if ($tiny) { + $possibles{$tiny} = $key; + } + } + if (!$init) { + $init = 1; + } else { + $init ++; + } + if (keys(%possibles)) { + my @posstiny = keys(%possibles); + my $configuname = &Apache::lonnet::get_domainconfiguser($cdom); + my %currtiny = &Apache::lonnet::get('tiny',\@posstiny,$cdom,$configuname); + if (keys(%currtiny)) { + foreach my $key (keys(%currtiny)) { + next if ($currtiny{$key} eq ''); + if ($currtiny{$key} eq $possibles{$key}) { + my ($tcnum,$tsymb) = split(/\&/,$currtiny{$key}); + unless (($coursetiny->{$tsymb} eq $key) || ($addcourse->{$tsymb} eq $key) || ($courseonly->{$tsymb} eq $key)) { + $courseonly->{$tsymb} = $key; + } + } else { + $collisions{$possibles{$key}} = 1; + } + delete($possibles{$key}); + } + } + foreach my $key (keys(%possibles)) { + $newunique->{$key} = $possibles{$key}; + my ($tcnum,$tsymb) = split(/\&/,$possibles{$key}); + unless (($coursetiny->{$tsymb} eq $key) || ($addcourse->{$tsymb} eq $key) || ($courseonly->{$tsymb} eq $key)) { + $addcourse->{$tsymb} = $key; + } + } + } + if (keys(%collisions)) { + if ($init <5) { + if (!$init) { + $init = 1; + } else { + $init ++; + } + $init = &shorten_symbs($cdom,$init,$su,$coursetiny,\%collisions, + $newunique,$addcourse,$courseonly,$failed); + } else { + foreach my $key (keys(%collisions)) { + $failed->{$key} = 1; + $failed->{$key} = 1; + } + } + } + return $init; +} + +sub is_nonframeable { + my ($url,$absolute,$hostname,$ip,$nocache) = @_; + my ($remprotocol,$remhost) = ($url =~ m{^(https?)\://(([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,})}i); + return if (($remprotocol eq '') || ($remhost eq '')); + + $remprotocol = lc($remprotocol); + $remhost = lc($remhost); + my $remport = 80; + if ($remprotocol eq 'https') { + $remport = 443; + } + my ($result,$cached) = &Apache::lonnet::is_cached_new('noiframe',$remhost.':'.$remport); + if ($cached) { + unless ($nocache) { + if ($result) { + return 1; + } else { + return 0; + } + } + } + my $uselink; + my $request = new HTTP::Request('HEAD',$url); + my $ua = LWP::UserAgent->new; + $ua->timeout(5); + my $response=$ua->request($request); + if ($response->is_success()) { + my $secpolicy = lc($response->header('content-security-policy')); + my $xframeop = lc($response->header('x-frame-options')); + $secpolicy =~ s/^\s+|\s+$//g; + $xframeop =~ s/^\s+|\s+$//g; + if (($secpolicy ne '') || ($xframeop ne '')) { + my $remotehost = $remprotocol.'://'.$remhost; + my ($origin,$protocol,$port); + if ($ENV{'SERVER_PORT'} =~/^\d+$/) { + $port = $ENV{'SERVER_PORT'}; + } else { + $port = 80; + } + if ($absolute eq '') { + $protocol = 'http:'; + if ($port == 443) { + $protocol = 'https:'; + } + $origin = $protocol.'//'.lc($hostname); + } else { + $origin = lc($absolute); + ($protocol,$hostname) = ($absolute =~ m{^(https?:)//([^/]+)$}); + } + if (($secpolicy) && ($secpolicy =~ /\Qframe-ancestors\E([^;]*)(;|$)/)) { + my $framepolicy = $1; + $framepolicy =~ s/^\s+|\s+$//g; + my @policies = split(/\s+/,$framepolicy); + if (@policies) { + if (grep(/^\Q'none'\E$/,@policies)) { + $uselink = 1; + } else { + $uselink = 1; + if ((grep(/^\Q*\E$/,@policies)) || (grep(/^\Q$protocol\E$/,@policies)) || + (($origin ne '') && (grep(/^\Q$origin\E$/,@policies))) || + (($ip ne '') && (grep(/^\Q$ip\E$/,@policies)))) { + undef($uselink); + } + if ($uselink) { + if (grep(/^\Q'self'\E$/,@policies)) { + if (($origin ne '') && ($remotehost eq $origin)) { + undef($uselink); + } + } + } + if ($uselink) { + my @possok; + if ($ip ne '') { + push(@possok,$ip); + } + my $hoststr = ''; + foreach my $part (reverse(split(/\./,$hostname))) { + if ($hoststr eq '') { + $hoststr = $part; + } else { + $hoststr = "$part.$hoststr"; + } + if ($hoststr eq $hostname) { + push(@possok,$hostname); + } else { + push(@possok,"*.$hoststr"); + } + } + if (@possok) { + foreach my $poss (@possok) { + last if (!$uselink); + foreach my $policy (@policies) { + if ($policy =~ m{^(\Q$protocol\E//|)\Q$poss\E(\Q:$port\E|)$}) { + undef($uselink); + last; + } + } + } + } + } + } + } + } elsif ($xframeop ne '') { + $uselink = 1; + my @policies = split(/\s*,\s*/,$xframeop); + if (@policies) { + unless (grep(/^deny$/,@policies)) { + if ($origin ne '') { + if (grep(/^sameorigin$/,@policies)) { + if ($remotehost eq $origin) { + undef($uselink); + } + } + if ($uselink) { + foreach my $policy (@policies) { + if ($policy =~ /^allow-from\s*(.+)$/) { + my $allowfrom = $1; + if (($allowfrom ne '') && ($allowfrom eq $origin)) { + undef($uselink); + last; + } + } + } + } + } + } + } + } + } + } + if ($nocache) { + if ($cached) { + my $devalidate; + if ($uselink && !$result) { + $devalidate = 1; + } elsif (!$uselink && $result) { + $devalidate = 1; + } + if ($devalidate) { + &Apache::lonnet::devalidate_cache_new('noiframe',$remhost.':'.$remport); + } + } + } else { + if ($uselink) { + $result = 1; + } else { + $result = 0; + } + &Apache::lonnet::do_cache_new('noiframe',$remhost.':'.$remport,$result,3600); + } + return $uselink; +} + 1; __END__;