--- loncom/interface/loncommon.pm 2006/07/20 22:44:04 1.436 +++ loncom/interface/loncommon.pm 2007/02/28 21:45:43 1.509 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.436 2006/07/20 22:44:04 albertel Exp $ +# $Id: loncommon.pm,v 1.509 2007/02/28 21:45:43 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -59,12 +59,14 @@ use Apache::lonnet; use GDBM_File; use POSIX qw(strftime mktime); use Apache::lonmenu(); +use Apache::lonenc(); use Apache::lonlocal; use HTML::Entities; use Apache::lonhtmlcommon(); use Apache::loncoursedata(); use Apache::lontexconvert(); -use LONCAPA; +use Apache::lonclonecourse(); +use LONCAPA qw(:DEFAULT :match); my $readit; @@ -156,7 +158,7 @@ BEGIN { opendir(DIR,$designdir); while ($filename=readdir(DIR)) { if ($filename!~/\.tab$/) { next; } - my ($domain)=($filename=~/^(\w+)\./); + my ($domain)=($filename=~/^($match_domain)\./); { my $designfile = $designdir.'/'.$filename; if ( open (my $fh,"<$designfile") ) { @@ -256,7 +258,7 @@ of the element the selection from the se sub browser_and_searcher_javascript { my ($mode)=@_; if (!defined($mode)) { $mode='edit'; } - my $resurl=&lastresurl(); + my $resurl=&escape_single(&lastresurl()); return < -1) { + var domid = getIndexByName(formid,udom); + if (domid > -1) { + if (document.forms[formid].elements[domid].type == 'select-one') { + domainfilter=document.forms[formid].elements[domid].options[document.forms[formid].elements[domid].selectedIndex].value; + } + if (document.forms[formid].elements[domid].type == 'hidden') { + domainfilter=document.forms[formid].elements[domid].value; + } + } } - var domainfilter='$domainfilter'; if (domainfilter != null) { if (domainfilter != '') { url += 'domainfilter='+domainfilter+'&'; @@ -407,11 +416,18 @@ sub coursebrowser_javascript { url += 'form=' + formname + '&cnumelement='+uname+ '&cdomelement='+udom+ '&cnameelement='+desc; - if (extra_element !=null && extra_element != '' && formname == 'rolechoice') { - url += '&roleelement='+extra_element; - if (domainfilter == null || domainfilter == '') { - url += '&domainfilter='+extra_element; + if (extra_element !=null && extra_element != '') { + if (formname == 'rolechoice') { + url += '&roleelement='+extra_element; + if (domainfilter == null || domainfilter == '') { + url += '&domainfilter='+extra_element; + } } + else { + if (formname == 'portform') { + url += '&setroles='+extra_element; + } + } } if (multflag !=null && multflag != '') { url += '&multiple='+multflag; @@ -434,14 +450,74 @@ sub coursebrowser_javascript { stdeditbrowser = open(url,title,options,'1'); stdeditbrowser.focus(); } - + + function getFormIdByName(formname) { + for (var i=0;i".&mt('Select [_1]',$selecttype).""; + return "".&mt('Select Course').""; } sub check_uncheck_jscript { @@ -728,9 +804,7 @@ sub update_help_link { my $banner_link = "/adm/helpmenu?page=banner&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage"; my $output .= <<"ENDOUTPUT"; ENDOUTPUT return $output; @@ -1241,11 +1315,11 @@ Returns a string containing a element - $value - sclara or array ref of values that should already be selected + $value - scalar or array ref of values that should already be selected $size - number of rows long the select element is $hash - the elements should be 'option' => 'shown text' (shown text should already have been &mt()) - $order - (optional) array ref of the order to show the elments in + $order - (optional) array ref of the order to show the elements in =cut @@ -1261,8 +1335,16 @@ sub multiple_select_form { } } $output.="\n'; +} + sub gradeleveldescription { my $gradelevel=shift; my %gradelevels=(0 => 'Not specified', @@ -2068,6 +2168,27 @@ sub getnames { } } +sub getemails { + my ($uname,$udom)=@_; + if ($udom eq 'public' && $uname eq 'public') { + return; + } + if (!$udom) { $udom=$env{'user.domain'}; } + if (!$uname) { $uname=$env{'user.name'}; } + my $id=$uname.':'.$udom; + my ($names,$cached)=&Apache::lonnet::is_cached_new('emailscache',$id); + if ($cached) { + return %{$names}; + } else { + my %loadnames=&Apache::lonnet::get('environment', + ['notification','critnotification', + 'permanentemail'], + $udom,$uname); + &Apache::lonnet::do_cache_new('emailscache',$id,\%loadnames); + return %loadnames; + } +} + # ------------------------------------------------------------------ Screenname =pod @@ -2092,9 +2213,9 @@ sub screenname { sub messagewrapper { my ($link,$username,$domain,$subject,$text)=@_; return - ''.$link.''; } # --------------------------------------------------------------- Notes Wrapper @@ -2108,8 +2229,11 @@ sub noteswrapper { sub aboutmewrapper { my ($link,$username,$domain,$target)=@_; + if (!defined($username) && !defined($domain)) { + return; + } return ''.$link.''; + ($target?' target="$target"':'').' title="'.&mt("View this user's personal page").'">'.$link.''; } # ------------------------------------------------------------ Syllabus Wrapper @@ -2138,7 +2262,22 @@ sub track_student_link { $target = ''; } if ($start) { $link.='&start='.$start; } - return qq{$linktext}; + + return qq{$linktext}. + &help_open_topic('View_recent_activity'); +} + +# ===================================================== Display a student photo + + +sub student_image_tag { + my ($domain,$user)=@_; + my $imgsrc=&Apache::lonnet::studentphoto($domain,$user,'jpg'); + if (($imgsrc) && ($imgsrc ne '/adm/lonKaputt/lonlogo_broken.gif')) { + return ''; + } else { + return ''; + } } =pod @@ -2349,7 +2488,8 @@ sub preferred_languages { $env{'course.'.$env{'request.course.id'}.'.languages'})); } if ($env{'environment.languages'}) { - @languages=split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}); + @languages=(@languages, + split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'})); } my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0]; if ($browser) { @@ -2572,7 +2712,9 @@ sub get_student_answers { } $moreenv{'grade_target'}='answer'; %moreenv=(%form,%moreenv); - my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%moreenv); + $feedurl = &Apache::lonnet::clutter($feedurl); + &Apache::lonenc::check_encrypt(\$feedurl); + my $userview=&Apache::lonnet::ssi($feedurl,%moreenv); return $userview; } @@ -2591,7 +2733,7 @@ sub submlink { my ($text,$uname,$udom,$symb,$target)=@_; if (!($uname && $udom)) { (my $cursymb, my $courseid,$udom,$uname)= - &Apache::lonxml::whichuser($symb); + &Apache::lonnet::whichuser($symb); if (!$symb) { $symb=$cursymb; } } if (!$symb) { $symb=&Apache::lonnet::symbread(); } @@ -2637,7 +2779,7 @@ sub pprmlink { my ($text,$uname,$udom,$symb,$target)=@_; if (!($uname && $udom)) { (my $cursymb, my $courseid,$udom,$uname)= - &Apache::lonxml::whichuser($symb); + &Apache::lonnet::whichuser($symb); if (!$symb) { $symb=$cursymb; } } if (!$symb) { $symb=&Apache::lonnet::symbread(); } @@ -2686,31 +2828,376 @@ sub maketime { ######################################### sub findallcourses { - my ($roles) = @_; + my ($roles,$uname,$udom) = @_; my %roles; if (ref($roles)) { %roles = map { $_ => 1 } @{$roles}; } my %courses; my $now=time; - foreach my $key (keys(%env)) { - if ( $key=~m{^user\.role\.(\w+)\./(\w+)/(\w+)} ) { - my ($role,$domain,$id) = ($1,$2,$3); - next if ($role eq 'ca' || $role eq 'aa'); - next if (%roles && !exists($roles{$role})); - my ($starttime,$endtime)=split(/\./,$env{$key}); - my $active=1; - if ($starttime) { - if ($now<$starttime) { $active=0; } + if (!defined($uname)) { + $uname = $env{'user.name'}; + } + if (!defined($udom)) { + $udom = $env{'user.domain'}; + } + if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) { + my %roleshash = &Apache::lonnet::dump('roles',$udom,$uname); + if (!%roles) { + %roles = ( + cc => 1, + in => 1, + ep => 1, + ta => 1, + cr => 1, + st => 1, + ); + } + foreach my $entry (keys(%roleshash)) { + my ($trole,$tend,$tstart) = split(/_/,$roleshash{$entry}); + if ($trole =~ /^cr/) { + next if (!exists($roles{$trole}) && !exists($roles{'cr'})); + } else { + next if (!exists($roles{$trole})); } - if ($endtime) { - if ($now>$endtime) { $active=0; } + if ($tend) { + next if ($tend < $now); + } + if ($tstart) { + next if ($tstart > $now); + } + my ($cdom,$cnum,$sec,$cnumpart,$secpart,$role,$realsec); + (undef,$cdom,$cnumpart,$secpart) = split(/\//,$entry); + if ($secpart eq '') { + ($cnum,$role) = split(/_/,$cnumpart); + $sec = 'none'; + $realsec = ''; + } else { + $cnum = $cnumpart; + ($sec,$role) = split(/_/,$secpart); + $realsec = $sec; + } + $courses{$cdom.'_'.$cnum}{$sec} = $trole.'/'.$cdom.'/'.$cnum.'/'.$realsec; + } + } else { + foreach my $key (keys(%env)) { + if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_courseid)/?(\w*)$} || + $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_courseid)/?(\w*)$}) { + my ($role,$cdom,$cnum,$sec) = ($1,$2,$3,$4); + next if ($role eq 'ca' || $role eq 'aa'); + next if (%roles && !exists($roles{$role})); + my ($starttime,$endtime)=split(/\./,$env{$key}); + my $active=1; + if ($starttime) { + if ($now<$starttime) { $active=0; } + } + if ($endtime) { + if ($now>$endtime) { $active=0; } + } + if ($active) { + if ($sec eq '') { + $sec = 'none'; + } + $courses{$cdom.'_'.$cnum}{$sec} = + $role.'/'.$cdom.'/'.$cnum.'/'.$sec; + } } - if ($active) { $courses{$domain.'_'.$id}=1; } } } - return keys(%courses); + return %courses; } ############################################### + +sub blockcheck { + my ($setters,$activity,$uname,$udom) = @_; + + if (!defined($udom)) { + $udom = $env{'user.domain'}; + } + if (!defined($uname)) { + $uname = $env{'user.name'}; + } + + # If uname and udom are for a course, check for blocks in the course. + + if (&Apache::lonnet::is_course($udom,$uname)) { + my %records = &Apache::lonnet::dump('comm_block',$udom,$uname); + my ($startblock,$endblock)=&get_blocks($setters,$activity,$udom,$uname); + return ($startblock,$endblock); + } + + my $startblock = 0; + my $endblock = 0; + my %live_courses = &findallcourses(undef,$uname,$udom); + + # If uname is for a user, and activity is course-specific, i.e., + # boards, chat or groups, check for blocking in current course only. + + if (($activity eq 'boards' || $activity eq 'chat' || + $activity eq 'groups') && ($env{'request.course.id'})) { + foreach my $key (keys(%live_courses)) { + if ($key ne $env{'request.course.id'}) { + delete($live_courses{$key}); + } + } + } + + my $otheruser = 0; + my %own_courses; + if ((($uname ne $env{'user.name'})) || ($udom ne $env{'user.domain'})) { + # Resource belongs to user other than current user. + $otheruser = 1; + # Gather courses for current user + %own_courses = + &findallcourses(undef,$env{'user.name'},$env{'user.domain'}); + } + + # Gather active course roles - course coordinator, instructor, + # exam proctor, ta, student, or custom role. + + foreach my $course (keys(%live_courses)) { + my ($cdom,$cnum); + if ((defined($env{'course.'.$course.'.domain'})) && (defined($env{'course.'.$course.'.num'}))) { + $cdom = $env{'course.'.$course.'.domain'}; + $cnum = $env{'course.'.$course.'.num'}; + } else { + ($cdom,$cnum) = split(/_/,$course); + } + my $no_ownblock = 0; + my $no_userblock = 0; + if ($otheruser) { + # Check if current user has 'evb' priv for this + if (defined($own_courses{$course})) { + foreach my $sec (keys(%{$own_courses{$course}})) { + my $checkrole = 'cm./'.$cdom.'/'.$cnum; + if ($sec ne 'none') { + $checkrole .= '/'.$sec; + } + if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) { + $no_ownblock = 1; + last; + } + } + } + # if they have 'evb' priv and are currently not playing student + next if (($no_ownblock) && + ($env{'request.role'} !~ m{^st\./$cdom/$cnum})); + } + foreach my $sec (keys(%{$live_courses{$course}})) { + my $checkrole = 'cm./'.$cdom.'/'.$cnum; + if ($sec ne 'none') { + $checkrole .= '/'.$sec; + } + if ($otheruser) { + # Resource belongs to user other than current user. + # Assemble privs for that user, and check for 'evb' priv. + my ($trole,$tdom,$tnum,$tsec); + my $entry = $live_courses{$course}{$sec}; + if ($entry =~ /^cr/) { + ($trole,$tdom,$tnum,$tsec) = + ($entry =~ m|^(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)/?(\w*)$|); + } else { + ($trole,$tdom,$tnum,$tsec) = split(/\//,$entry); + } + my ($spec,$area,$trest,%allroles,%userroles); + $area = '/'.$tdom.'/'.$tnum; + $trest = $tnum; + if ($tsec ne '') { + $area .= '/'.$tsec; + $trest .= '/'.$tsec; + } + $spec = $trole.'.'.$area; + if ($trole =~ /^cr/) { + &Apache::lonnet::custom_roleprivs(\%allroles,$trole, + $tdom,$spec,$trest,$area); + } else { + &Apache::lonnet::standard_roleprivs(\%allroles,$trole, + $tdom,$spec,$trest,$area); + } + my ($author,$adv) = &Apache::lonnet::set_userprivs(\%userroles,\%allroles); + if ($userroles{'user.priv.'.$checkrole} =~ /evb\&([^\:]*)/) { + if ($1) { + $no_userblock = 1; + last; + } + } + } else { + # Resource belongs to current user + # Check for 'evb' priv via lonnet::allowed(). + if (&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) { + $no_ownblock = 1; + last; + } + } + } + # if they have the evb priv and are currently not playing student + next if (($no_ownblock) && + ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E})); + next if ($no_userblock); + + # Retrieve blocking times and identity of blocker for course + # of specified user, unless user has 'evb' privilege. + + my ($start,$end)=&get_blocks($setters,$activity,$cdom,$cnum); + if (($start != 0) && + (($startblock == 0) || ($startblock > $start))) { + $startblock = $start; + } + if (($end != 0) && + (($endblock == 0) || ($endblock < $end))) { + $endblock = $end; + } + } + return ($startblock,$endblock); +} + +sub get_blocks { + my ($setters,$activity,$cdom,$cnum) = @_; + my $startblock = 0; + my $endblock = 0; + my $course = $cdom.'_'.$cnum; + $setters->{$course} = {}; + $setters->{$course}{'staff'} = []; + $setters->{$course}{'times'} = []; + my %records = &Apache::lonnet::dump('comm_block',$cdom,$cnum); + foreach my $record (keys(%records)) { + my ($start,$end) = ($record =~ m/^(\d+)____(\d+)$/); + if ($start <= time && $end >= time) { + my ($staff_name,$staff_dom,$title,$blocks) = + &parse_block_record($records{$record}); + if ($blocks->{$activity} eq 'on') { + push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]); + push(@{$$setters{$course}{'times'}}, [$start,$end]); + if ( ($startblock == 0) || ($startblock > $start) ) { + $startblock = $start; + } + if ( ($endblock == 0) || ($endblock < $end) ) { + $endblock = $end; + } + } + } + } + return ($startblock,$endblock); +} + +sub parse_block_record { + my ($record) = @_; + my ($setuname,$setudom,$title,$blocks); + if (ref($record) eq 'HASH') { + ($setuname,$setudom) = split(/:/,$record->{'setter'}); + $title = &unescape($record->{'event'}); + $blocks = $record->{'blocks'}; + } else { + my @data = split(/:/,$record,3); + if (scalar(@data) eq 2) { + $title = $data[1]; + ($setuname,$setudom) = split(/@/,$data[0]); + } else { + ($setuname,$setudom,$title) = @data; + } + $blocks = { 'com' => 'on' }; + } + return ($setuname,$setudom,$title,$blocks); +} + +sub build_block_table { + my ($startblock,$endblock,$setters) = @_; + my %lt = &Apache::lonlocal::texthash( + 'cacb' => 'Currently active communication blocks', + 'cour' => 'Course', + 'dura' => 'Duration', + 'blse' => 'Block set by' + ); + my $output; + $output = '
'.$lt{'cacb'}.':
'; + $output .= &start_data_table(); + $output .= ' + + '.$lt{'cour'}.' + '.$lt{'dura'}.' + '.$lt{'blse'}.' + +'; + foreach my $course (keys(%{$setters})) { + my %courseinfo=&Apache::lonnet::coursedescription($course); + for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) { + my ($uname,$udom) = @{$$setters{$course}{staff}[$i]}; + my $fullname = &plainname($uname,$udom); + if (defined($env{'user.name'}) && defined($env{'user.domain'}) + && $env{'user.name'} ne 'public' + && $env{'user.domain'} ne 'public') { + $fullname = &aboutmewrapper($fullname,$uname,$udom); + } + my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]}; + $openblock = &Apache::lonlocal::locallocaltime($openblock); + $closeblock= &Apache::lonlocal::locallocaltime($closeblock); + $output .= &Apache::loncommon::start_data_table_row(). + ''.$courseinfo{'description'}.''. + ''.$openblock.' to '.$closeblock.''. + ''.$fullname.''. + &Apache::loncommon::end_data_table_row(); + } + } + $output .= &end_data_table(); +} + +sub blocking_status { + my ($activity,$uname,$udom) = @_; + my %setters; + my ($blocked,$output,$ownitem,$is_course); + my ($startblock,$endblock)=&blockcheck(\%setters,$activity,$uname,$udom); + if ($startblock && $endblock) { + $blocked = 1; + if (wantarray) { + my $category; + if ($activity eq 'boards') { + $category = 'Discussion posts in this course'; + } elsif ($activity eq 'blogs') { + $category = 'Blogs'; + } elsif ($activity eq 'port') { + if (defined($uname) && defined($udom)) { + if ($uname eq $env{'user.name'} && + $udom eq $env{'user.domain'}) { + $ownitem = 1; + } + } + $is_course = &Apache::lonnet::is_course($udom,$uname); + if ($ownitem) { + $category = 'Your portfolio files'; + } elsif ($is_course) { + my $coursedesc; + foreach my $course (keys(%setters)) { + my %courseinfo = + &Apache::lonnet::coursedescription($course); + $coursedesc = $courseinfo{'description'}; + } + $category = "Group files in the course '$coursedesc'"; + } else { + $category = 'Portfolio files belonging to '; + if ($env{'user.name'} eq 'public' && + $env{'user.domain'} eq 'public') { + $category .= &plainname($uname,$udom); + } else { + $category .= &aboutmewrapper(&plainname($uname,$udom),$uname,$udom); + } + } + } elsif ($activity eq 'groups') { + $category = 'Groups in this course'; + } + my $showstart = &Apache::lonlocal::locallocaltime($startblock); + my $showend = &Apache::lonlocal::locallocaltime($endblock); + $output = '
'.&mt('[_1] will be inaccessible between [_2] and [_3] because communication is being blocked.',$category,$showstart,$showend).'
'; + if (!($activity eq 'port' && !($ownitem) && !($is_course))) { + $output .= &build_block_table($startblock,$endblock,\%setters); + } + } + } + if (wantarray) { + return ($blocked,$output); + } else { + return $blocked; + } +} + ############################################### =pod @@ -2849,6 +3336,9 @@ Inputs: =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 + =back Returns: A uniform header for LON-CAPA web pages. @@ -2860,9 +3350,9 @@ other decorations will be returned. sub bodytag { my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,$customtitle, - $notopbar,$bgcolor,$notitle,$no_inline_link)=@_; + $notopbar,$bgcolor,$notitle,$no_inline_link,$args)=@_; - $title=&mt($title); + if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); } $function = &get_users_function() if (!$function); my $img = &designparm($function.'.img',$domain); @@ -2875,13 +3365,13 @@ sub bodytag { 'alink' => &designparm($function.'.alink',$domain), 'vlink' => &designparm($function.'.vlink',$domain), 'link' => &designparm($function.'.link',$domain),); - @$addentries{keys(%design)} = @design{keys(%design)}; + @design{keys(%$addentries)} = @$addentries{keys(%$addentries)}; # role and realm my ($role,$realm) = split(/\./,$env{'request.role'},2); if ($role eq 'ca') { - my ($rdom,$rname) = ($realm =~ m-^/(\w+)/(\w+)$-); - $realm = &plainname($rname,$rdom).':'.$rdom; + my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$}); + $realm = &plainname($rname,$rdom); } # realm if ($env{'request.course.id'}) { @@ -2900,7 +3390,7 @@ sub bodytag { my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'}; if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; } - my $extra_body_attr = &make_attr_string($forcereg,$addentries); + my $extra_body_attr = &make_attr_string($forcereg,\%design); # construct main body tag my $bodytag = "". @@ -3165,8 +3655,8 @@ sub standard_css { my $mono = 'monospace'; my $data_table_head = $tabbg; my $data_table_light = '#EEEEEE'; - my $data_table_dark = '#DDD'; - my $data_table_darker = '#CCC'; + my $data_table_dark = '#DDDDDD'; + my $data_table_darker = '#CCCCCC'; my $data_table_highlight = '#FFFF00'; my $mail_new = '#FFBB77'; my $mail_new_hover = '#DD9955'; @@ -3177,9 +3667,11 @@ sub standard_css { my $mail_other = '#99BBBB'; my $mail_other_hover = '#669999'; my $table_header = '#DDDDDD'; + my $feedback_link_bg = '#BBBBBB'; my $border = ($env{'browser.type'} eq 'explorer') ? '0px 2px 0px 2px' : '0px 3px 0px 4px'; + return < force usage of a specific rolish color scheme bgcolor -> override the default page bgcolor + no_auto_mt_title + -> prevent &mt()ing the title arg =back @@ -3683,6 +4279,7 @@ sub headtag { my $domain = $args->{'domain'} || &determinedomain(); my $bgcolor = $args->{'bgcolor'} || &designparm($function.'.pgbg',$domain); my $url = join(':',$env{'user.name'},$env{'user.domain'}, + $Apache::lonnet::perlvar{'lonVersion'}, #time(), $env{'environment.color.timestamp'}, $function,$domain,$bgcolor); @@ -3691,9 +4288,11 @@ sub headtag { my $result = ''. - &font_settings(). - &Apache::lonhtmlcommon::htmlareaheaders(); + &font_settings(); + if (!$args->{'frameset'}) { + $result .= &Apache::lonhtmlcommon::htmlareaheaders(); + } if ($args->{'force_register'}) { $result .= &Apache::lonmenu::registerurl(1); } @@ -3717,8 +4316,8 @@ ADDMETA if (!defined($title)) { $title = 'The LearningOnline Network with CAPA'; } - - $result .= ' LON-CAPA '.&mt($title).'' + if (!$args->{'no_auto_mt_title'}) { $title = &mt($title); } + $result .= ' LON-CAPA '.$title.'' .'' .$head_extra; return $result; @@ -3862,6 +4461,8 @@ Inputs: $title - optional title for the 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 + =back =cut @@ -3871,7 +4472,8 @@ sub start_page { #&Apache::lonnet::logthis("start_page ".join(':',caller(0))); my %head_args; foreach my $arg ('redirect','force_register','domain','function', - 'bgcolor','frameset','no_nav_bar','body_only') { + 'bgcolor','frameset','no_nav_bar','only_body', + 'no_auto_mt_title') { if (defined($args->{$arg})) { $head_args{$arg} = $args->{$arg}; } @@ -3897,7 +4499,8 @@ sub start_page { $args->{'only_body'}, $args->{'domain'}, $args->{'force_register'}, $args->{'body_title'}, $args->{'no_nav_bar'}, $args->{'bgcolor'}, - $args->{'no_title'}, $args->{'no_inline_link'}); + $args->{'no_title'}, $args->{'no_inline_link'}, + $args); } } @@ -3926,6 +4529,11 @@ Inputs: $args - additional optio a html attribute frameset -> if true will start with a rather than + dicsussion -> if true will get discussion from + lonxml::xmlend + (you can pass the target and parser arguments + through optional 'target' and 'parser' args + to this routine) =cut @@ -4037,6 +4645,13 @@ sub simple_error_page { $css_class = (join(' ',$css_class,$add_class)); return ''."\n";; } + + sub continue_data_table_row { + my ($add_class) = @_; + my $css_class = ($row_count % 2)?'':'LC_even_row'; + $css_class = (join(' ',$css_class,$add_class)); + return ''."\n";; + } sub end_data_table_row { return ''."\n";; @@ -4342,13 +4957,20 @@ sub get_course_users { } } if ((@{$roles} > 1) || ((@{$roles} == 1) && ($$roles[0] ne "st"))) { - my @coursepersonnel = &Apache::lonnet::getkeys('nohist_userroles',$cdom,$cnum); - foreach my $person (@coursepersonnel) { + my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); + my $now = time; + foreach my $person (sort(keys(%coursepersonnel))) { my $match = 0; my $secmatch = 0; + my $status; my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/); $user =~ s/:$//; - if (($role) && (grep(/^\Q$role\E$/,@{$roles}))) { + my ($end,$start) = split(/:/,$coursepersonnel{$person}); + if ($end == -1 || $start == -1) { + next; + } + if (($role) && ((grep(/^\Q$role\E$/,@{$roles})) || + (grep(/^cr$/,@{$roles}) && $role =~ /^cr\//))) { my ($uname,$udom) = split(/:/,$user); if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) { if (grep(/^all$/,@{$sections})) { @@ -4370,8 +4992,13 @@ sub get_course_users { $usec = 'none'; } if ($uname ne '' && $udom ne '') { - my $status = &check_user_status($udom,$uname,$cdom,$cnum,$role, - $usec); + if ($end > 0 && $end < $now) { + $status = 'previous'; + } elsif ($start > $now) { + $status = 'future'; + } else { + $status = 'active'; + } foreach my $type (keys(%{$types})) { if ($status eq $type) { if (!grep(/^\Q$type\E$/,@{$$users{$role}{$user}})) { @@ -4396,7 +5023,10 @@ sub get_course_users { my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum); if ( defined($csettings{'internal.courseowner'}) ) { my $owner = $csettings{'internal.courseowner'}; - @{$$users{'ow'}{$owner.':'.$cdom}} = 'any'; + if ($owner !~ /^[^:]+:[^:]+$/) { + $owner = $owner.':'.$cdom; + } + @{$$users{'ow'}{$owner}} = 'any'; if (defined($userdata) && !exists($$userdata{$owner.':'.$cdom})) { &get_user_info($cdom,$owner,\%idx,$userdata); @@ -4424,6 +5054,96 @@ sub get_user_info { return; } +############################################### + +=pod + +=item * &get_user_quota() + +Retrieves quota assigned for storage of portfolio files for a user + +Incoming parameters: +1. user's username +2. user's domain + +Returns: +1. Disk quota (in Mb) assigned to student. + +If a value has been stored in the user's environment, +it will return that, otherwise it returns the default +for users in the domain. + +=cut + +############################################### + + +sub get_user_quota { + my ($uname,$udom) = @_; + my $quota; + if (!defined($udom)) { + $udom = $env{'user.domain'}; + } + if (!defined($uname)) { + $uname = $env{'user.name'}; + } + if (($udom eq '' || $uname eq '') || + ($udom eq 'public') && ($uname eq 'public')) { + $quota = 0; + } else { + if ($udom eq $env{'user.domain'} && $uname eq $env{'user.name'}) { + $quota = $env{'environment.portfolioquota'}; + } else { + my %userenv = &Apache::lonnet::dump('environment',$udom,$uname); + my ($tmp) = keys(%userenv); + if ($tmp !~ /^(con_lost|error|no_such_host)/i) { + $quota = $userenv{'portfolioquota'}; + } else { + undef(%userenv); + } + } + if ($quota eq '') { + $quota = &default_quota($udom); + } + } + return $quota; +} + +############################################### + +=pod + +=item * &default_quota() + +Retrieves default quota assigned for storage of user portfolio files + +Incoming parameters: +1. domain + +Returns: +1. Default disk quota (in Mb) for user portfolios in the domain. + +If a value has been stored in the domain's configuration db, +it will return that, otherwise it returns 20 (for backwards +compatibility with domains which have not set up a configuration +db file; the original statically defined portfolio quota was 20 Mb). + +=cut + +############################################### + + +sub default_quota { + my ($udom) = @_; + my %defaults = &Apache::lonnet::get_dom('configuration', + ['portfolioquota'],$udom); + if ($defaults{'portfolioquota'} ne '') { + return $defaults{'portfolioquota'}; + } else { + return '20'; + } +} + sub get_secgrprole_info { my ($cdom,$cnum,$needroles,$type) = @_; my %sections_count = &get_sections($cdom,$cnum); @@ -4598,7 +5318,7 @@ sub get_env_multiple { =pod -=back +=back =head1 CSV Upload/Handling functions @@ -4712,7 +5432,12 @@ sub record_sep { $i++; } } else { - my @allfields=split(/\,/,$record); + my @allfields; + if ($env{'form.upfiletype'} eq 'semisv') { + @allfields=split(/;/,$record,-1); + } else { + @allfields=split(/\,/,$record,-1); + } my $i=0; my $j; for ($j=0;$j<=$#allfields;$j++) { @@ -4750,6 +5475,7 @@ the file type. sub upfile_select_html { my %Types = ( csv => &mt('CSV (comma separated values, spreadsheet)'), + semisv => &mt('Semicolon separated values'), space => &mt('Space separated'), tab => &mt('Tabulator separated'), # xml => &mt('HTML/XML'), @@ -5404,16 +6130,19 @@ Returns: both routines return nothing ####################################################### ####################################################### sub store_course_settings { + return &store_settings($env{'request.course.id'},@_); +} + +sub store_settings { # save to the environment # appenv the same items, just to be safe - my $courseid = $env{'request.course.id'}; my $udom = $env{'user.domain'}; my $uname = $env{'user.name'}; - my ($prefix,$Settings) = @_; + my ($context,$prefix,$Settings) = @_; my %SaveHash; my %AppHash; while (my ($setting,$type) = each(%$Settings)) { - my $basename = join('.','internal',$courseid,$prefix,$setting); + my $basename = join('.','internal',$context,$prefix,$setting); my $envname = 'environment.'.$basename; if (exists($env{'form.'.$setting})) { # Save this value away @@ -5453,11 +6182,14 @@ sub store_course_settings { } sub restore_course_settings { - my $courseid = $env{'request.course.id'}; - my ($prefix,$Settings) = @_; + return &restore_settings($env{'request.course.id'},@_); +} + +sub restore_settings { + my ($context,$prefix,$Settings) = @_; while (my ($setting,$type) = each(%$Settings)) { next if (exists($env{'form.'.$setting})); - my $envname = 'environment.internal.'.$courseid.'.'.$prefix. + my $envname = 'environment.internal.'.$context.'.'.$prefix. '.'.$setting; if (exists($env{$envname})) { if ($type eq 'scalar') { @@ -5476,6 +6208,379 @@ sub restore_course_settings { ############################################################ ############################################################ +sub commit_customrole { + my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_; + my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url. + ($start?', '.&mt('starting').' '.localtime($start):''). + ($end?', ending '.localtime($end):'').': '. + &Apache::lonnet::assigncustomrole( + $udom,$uname,$url,$three,$four,$five,$end,$start). + '
'; + return $output; +} + +sub commit_standardrole { + my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_; + my $output; + my $logmsg; + if ($three eq 'st') { + my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec); + if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) { + $output = "Error: $result\n"; + } else { + $output = &mt('Assigning').' '.$three.' in '.$url. + ($start?', '.&mt('starting').' '.localtime($start):''). + ($end?', '.&mt('ending').' '.localtime($end):''). + ': '.$result.'
'. + &mt('Add to classlist').': ok
'; + } + } else { + $output = &mt('Assigning').' '.$three.' in '.$url. + ($start?', '.&mt('starting').' '.localtime($start):''). + ($end?', '.&mt('ending').' '.localtime($end):'').': '. + &Apache::lonnet::assignrole( + $udom,$uname,$url,$three,$end,$start). + '
'; + } + return $output; +} + +sub commit_studentrole { + my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_; + my $linefeed = '
'."\n"; + my $result; + if (defined($one) && defined($two)) { + my $cid=$one.'_'.$two; + my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid); + my $secchange = 0; + my $expire_role_result; + my $modify_section_result; + unless ($oldsec eq '-1') { + unless ($sec eq $oldsec) { + $secchange = 1; + my $uurl='/'.$cid; + $uurl=~s/\_/\//g; + if ($oldsec) { + $uurl.='/'.$oldsec; + } + $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time); + $result = $expire_role_result; + } + } + if (($expire_role_result eq 'ok') || ($secchange == 0)) { + $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid); + if ($modify_section_result =~ /^ok/) { + if ($secchange == 1) { + $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed; + } elsif ($oldsec eq '-1') { + $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed; + } else { + $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed; + } + } else { + $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed; + } + $result = $modify_section_result; + } elsif ($secchange == 1) { + $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed; + } + } else { + $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed"; + $result = "error: incomplete course id\n"; + } + return $result; +} + +############################################################ +############################################################ + +sub construct_course { + my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname) = @_; + my $outcome; + +# +# Open course +# + my $crstype = lc($args->{'crstype'}); + my %cenv=(); + $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'}, + $args->{'cdescr'}, + $args->{'curl'}, + $args->{'course_home'}, + $args->{'nonstandard'}, + $args->{'crscode'}, + $args->{'ccuname'}.':'. + $args->{'ccdomain'}, + $args->{'crstype'}); + + # Note: The testing routines depend on this being output; see + # Utils::Course. This needs to at least be output as a comment + # if anyone ever decides to not show this, and Utils::Course::new + # will need to be suitably modified. + $outcome .= &mt('New LON-CAPA [_1] ID: [_2]
',$crstype,$$courseid); +# +# Check if created correctly +# + ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid); + my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom); + $outcome .= &mt('Created on').': '.$crsuhome.'
'; +# +# Are we cloning? +# + my $cloneid=''; + if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) { + $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'}; + my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid); + my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom); + if ($clonehome eq 'no_host') { + $outcome .= + '
'.&mt('Attempting to clone non-existing [_1]',$crstype).' '.$cloneid.''; + } else { + $outcome .= + '
'.&mt('Cloning [_1] from [_2]',$crstype,$clonehome).''; + my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum); +# Copy all files + &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid); +# Restore URL + $cenv{'url'}=$oldcenv{'url'}; +# Restore title + $cenv{'description'}=$oldcenv{'description'}; +# restore grading mode + if (defined($oldcenv{'grading'})) { + $cenv{'grading'}=$oldcenv{'grading'}; + } +# Mark as cloned + $cenv{'clonedfrom'}=$cloneid; + delete($cenv{'default_enrollment_start_date'}); + delete($cenv{'default_enrollment_end_date'}); + } + } +# +# Set environment (will override cloned, if existing) +# + my @sections = (); + my @xlists = (); + if ($args->{'crstype'}) { + $cenv{'type'}=$args->{'crstype'}; + } + if ($args->{'crsid'}) { + $cenv{'courseid'}=$args->{'crsid'}; + } + if ($args->{'crscode'}) { + $cenv{'internal.coursecode'}=$args->{'crscode'}; + } + if ($args->{'crsquota'} ne '') { + $cenv{'internal.coursequota'}=$args->{'crsquota'}; + } else { + $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20; + } + if ($args->{'ccuname'}) { + $cenv{'internal.courseowner'} = $args->{'ccuname'}. + ':'.$args->{'ccdomain'}; + } else { + $cenv{'internal.courseowner'} = $args->{'curruser'}; + } + + my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner. + if ($args->{'crssections'}) { + $cenv{'internal.sectionnums'} = ''; + if ($args->{'crssections'} =~ m/,/) { + @sections = split/,/,$args->{'crssections'}; + } else { + $sections[0] = $args->{'crssections'}; + } + if (@sections > 0) { + foreach my $item (@sections) { + my ($sec,$gp) = split/:/,$item; + my $class = $args->{'crscode'}.$sec; + my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'}); + $cenv{'internal.sectionnums'} .= $item.','; + unless ($addcheck eq 'ok') { + push @badclasses, $class; + } + } + $cenv{'internal.sectionnums'} =~ s/,$//; + } + } +# do not hide course coordinator from staff listing, +# even if privileged + $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'}; +# add crosslistings + if ($args->{'crsxlist'}) { + $cenv{'internal.crosslistings'}=''; + if ($args->{'crsxlist'} =~ m/,/) { + @xlists = split/,/,$args->{'crsxlist'}; + } else { + $xlists[0] = $args->{'crsxlist'}; + } + if (@xlists > 0) { + foreach my $item (@xlists) { + my ($xl,$gp) = split/:/,$item; + my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'}); + $cenv{'internal.crosslistings'} .= $item.','; + unless ($addcheck eq 'ok') { + push @badclasses, $xl; + } + } + $cenv{'internal.crosslistings'} =~ s/,$//; + } + } + if ($args->{'autoadds'}) { + $cenv{'internal.autoadds'}=$args->{'autoadds'}; + } + if ($args->{'autodrops'}) { + $cenv{'internal.autodrops'}=$args->{'autodrops'}; + } +# check for notification of enrollment changes + my @notified = (); + if ($args->{'notify_owner'}) { + if ($args->{'ccuname'} ne '') { + push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'}); + } + } + if ($args->{'notify_dc'}) { + if ($uname ne '') { + push(@notified,$uname.'@'.$udom); + } + } + if (@notified > 0) { + my $notifylist; + if (@notified > 1) { + $notifylist = join(',',@notified); + } else { + $notifylist = $notified[0]; + } + $cenv{'internal.notifylist'} = $notifylist; + } + 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' + ); + $outcome .= ''.$lt{'tclb'}.' ('.$cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.' ('.$lt{'adby'}.').
    '."\n"; + foreach (@badclasses) { + $outcome .= "
  • $_
    • \n"; + } + $outcome .= "


\n"; + } + if ($args->{'no_end_date'}) { + $args->{'endaccess'} = 0; + } + $cenv{'internal.autostart'}=$args->{'enrollstart'}; + $cenv{'internal.autoend'}=$args->{'enrollend'}; + $cenv{'default_enrollment_start_date'}=$args->{'startaccess'}; + $cenv{'default_enrollment_end_date'}=$args->{'endaccess'}; + if ($args->{'showphotos'}) { + $cenv{'internal.showphotos'}=$args->{'showphotos'}; + } + $cenv{'internal.authtype'} = $args->{'authtype'}; + $cenv{'internal.autharg'} = $args->{'autharg'}; + if ( ($cenv{'internal.authtype'} =~ /^krb/) && ($cenv{'internal.autoadds'} == 1)) { + if (! defined($cenv{'internal.autharg'}) || $cenv{'internal.autharg'} eq '') { + $outcome .= ''. + &mt('As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student').'

'; + } + } + if (($args->{'ccdomain'}) && ($args->{'ccuname'})) { + if ($args->{'setpolicy'}) { + $cenv{'policy.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'}; + } + if ($args->{'setcontent'}) { + $cenv{'question.email'}=$args->{'ccuname'}.':'.$args->{'ccdomain'}; + } + } + if ($args->{'reshome'}) { + $cenv{'reshome'}=$args->{'reshome'}.'/'; + $cenv{'reshome'}=~s/\/+$/\//; + } +# +# course has keyed access +# + if ($args->{'setkeys'}) { + $cenv{'keyaccess'}='yes'; + } +# if specified, key authority is not course, but user +# only active if keyaccess is yes + if ($args->{'keyauth'}) { + my ($user,$domain) = split(':',$args->{'keyauth'}); + $user = &LONCAPA::clean_username($user); + $domain = &LONCAPA::clean_username($domain); + if ($user ne '' && $domain ne '') { + $cenv{'keyauth'}=$user.':'.$domain; + } + } + + if ($args->{'disresdis'}) { + $cenv{'pch.roles.denied'}='st'; + } + if ($args->{'disablechat'}) { + $cenv{'plc.roles.denied'}='st'; + } + + # Record we've not yet viewed the Course Initialization Helper for this + # course + $cenv{'course.helper.not.run'} = 1; + # + # Use new Randomseed + # + $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();; + $cenv{'receiptalg'}=&Apache::lonnet::latest_receipt_algorithm_id();; + # + # The encryption code and receipt prefix for this course + # + $cenv{'internal.encseed'}=$Apache::lonnet::perlvar{'lonReceipt'}.$$.time.int(rand(9999)); + $cenv{'internal.encpref'}=100+int(9*rand(99)); + # + # By default, use standard grading + if (!defined($cenv{'grading'})) { $cenv{'grading'} = 'standard'; } + + $outcome .= ('
'.&mt('Setting environment').': '. + &Apache::lonnet::put('environment',\%cenv,$$crsudom,$$crsunum).'
'); +# +# Open all assignments +# + if ($args->{'openall'}) { + my $storeunder=$$crsudom.'_'.$$crsunum.'.0.opendate'; + my %storecontent = ($storeunder => time, + $storeunder.'.type' => 'date_start'); + + $outcome .= &mt('Opening all assignments').': '.&Apache::lonnet::cput + ('resourcedata',\%storecontent,$$crsudom,$$crsunum).'
'; + } +# +# Set first page +# + unless (($args->{'nonstandard'}) || ($args->{'firstres'} eq 'blank') + || ($cloneid)) { + use LONCAPA::map; + $outcome .= &mt('Setting first resource').': '; + + my $map = '/uploaded/'.$$crsudom.'/'.$$crsunum.'/default.sequence'; + my ($errtext,$fatal)=&LONCAPA::map::mapread($map); + + $outcome .= ($fatal?$errtext:'read ok').' - '; + my $title; my $url; + if ($args->{'firstres'} eq 'syl') { + $title='Syllabus'; + $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus'; + } else { + $title='Navigate Contents'; + $url='/adm/navmaps'; + } + + $LONCAPA::map::resources[1]=$title.':'.$url.':false:start:res'; + (my $outtext,$errtext) = &LONCAPA::map::storemap($map,1); + + if ($errtext) { $fatal=2; } + $outcome .= ($fatal?$errtext:'write ok').'
'; + } + return $outcome; +} + +############################################################ +############################################################ + sub course_type { my ($cid) = @_; if (!defined($cid)) { @@ -5499,7 +6604,7 @@ sub group_term { sub icon { my ($file)=@_; - my $curfext = (split(/\./,$file))[-1]; + my $curfext = lc((split(/\./,$file))[-1]); my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif'; my $embstyle = &Apache::loncommon::fileembstyle($curfext); if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) { @@ -5552,6 +6657,171 @@ sub escape_url { my $lastitem = &escape(pop(@urlslices)); return join('/',@urlslices).'/'.$lastitem; } + +# -------------------------------------------------------- Initliaze user login +sub init_user_environment { + my ($r, $username, $domain, $authhost, $form, $args) = @_; + my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'}; + + my $public=($username eq 'public' && $domain eq 'public'); + +# See if old ID present, if so, remove + + my ($filename,$cookie,$userroles); + my $now=time; + + if ($public) { + my $max_public=100; + my $oldest; + my $oldest_time=0; + for(my $next=1;$next<=$max_public;$next++) { + if (-e $lonids."/publicuser_$next.id") { + my $mtime=(stat($lonids."/publicuser_$next.id"))[9]; + if ($mtime<$oldest_time || !$oldest_time) { + $oldest_time=$mtime; + $oldest=$next; + } + } else { + $cookie="publicuser_$next"; + last; + } + } + if (!$cookie) { $cookie="publicuser_$oldest"; } + } else { + # if this isn't a robot, kill 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); + } + } + closedir(DIR); + } +# Give them a new cookie + my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'} + : $now); + $cookie="$username\_$id\_$domain\_$authhost"; + +# Initialize roles + + $userroles=&Apache::lonnet::rolesinit($domain,$username,$authhost); + } +# ------------------------------------ Check browser type and MathML capability + + my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml, + $clientunicode,$clientos) = &decode_user_agent($r); + +# -------------------------------------- Any accessibility options to remember? + if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) { + foreach my $option ('imagesuppress','appletsuppress', + 'embedsuppress','fontenhance','blackwhite') { + if ($form->{$option} eq 'true') { + &Apache::lonnet::put('environment',{$option => 'on'}, + $domain,$username); + } else { + &Apache::lonnet::del('environment',[$option], + $domain,$username); + } + } + } +# ------------------------------------------------------------- Get environment + + my %userenv = &Apache::lonnet::dump('environment',$domain,$username); + my ($tmp) = keys(%userenv); + if ($tmp !~ /^(con_lost|error|no_such_host)/i) { + # default remote control to off + if ($userenv{'remote'} ne 'on') { $userenv{'remote'} = 'off'; } + } else { + undef(%userenv); + } + if (($userenv{'interface'}) && (!$form->{'interface'})) { + $form->{'interface'}=$userenv{'interface'}; + } + $env{'environment.remote'}=$userenv{'remote'}; + if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; } + +# --------------- Do not trust query string to be put directly into environment + foreach my $option ('imagesuppress','appletsuppress', + 'embedsuppress','fontenhance','blackwhite', + 'interface','localpath','localres') { + $form->{$option}=~s/[\n\r\=]//gs; + } +# --------------------------------------------------------- Write first profile + + { + my %initial_env = + ("user.name" => $username, + "user.domain" => $domain, + "user.home" => $authhost, + "browser.type" => $clientbrowser, + "browser.version" => $clientversion, + "browser.mathml" => $clientmathml, + "browser.unicode" => $clientunicode, + "browser.os" => $clientos, + "server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'}, + "request.course.fn" => '', + "request.course.uri" => '', + "request.course.sec" => '', + "request.role" => 'cm', + "request.role.adv" => $env{'user.adv'}, + "request.host" => $ENV{'REMOTE_ADDR'},); + + if ($form->{'localpath'}) { + $initial_env{"browser.localpath"} = $form->{'localpath'}; + $initial_env{"browser.localres"} = $form->{'localres'}; + } + + if ($public) { + $initial_env{"environment.remote"} = "off"; + } + if ($form->{'interface'}) { + $form->{'interface'}=~s/\W//gs; + $initial_env{"browser.interface"} = $form->{'interface'}; + $env{'browser.interface'}=$form->{'interface'}; + foreach my $option ('imagesuppress','appletsuppress', + 'embedsuppress','fontenhance','blackwhite') { + if (($form->{$option} eq 'true') || + ($userenv{$option} eq 'on')) { + $initial_env{"browser.$option"} = "on"; + } + } + } + + $env{'user.environment'} = "$lonids/$cookie.id"; + + if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id", + &GDBM_WRCREAT(),0640)) { + &_add_to_env(\%disk_env,\%initial_env); + &_add_to_env(\%disk_env,\%userenv,'environment.'); + &_add_to_env(\%disk_env,$userroles); + if (ref($args->{'extra_env'})) { + &_add_to_env(\%disk_env,$args->{'extra_env'}); + } + untie(%disk_env); + } else { + &Apache::lonnet::logthis("WARNING: ". + 'Could not create environment storage in lonauth: '.$!.''); + return 'error: '.$!; + } + } + $env{'request.role'}='cm'; + $env{'request.role.adv'}=$env{'user.adv'}; + $env{'browser.type'}=$clientbrowser; + + return $cookie; + +} + +sub _add_to_env { + my ($idf,$env_data,$prefix) = @_; + while (my ($key,$value) = each(%$env_data)) { + $idf->{$prefix.$key} = $value; + $env{$prefix.$key} = $value; + } +} + + =pod =back