--- loncom/interface/loncommon.pm 2006/08/18 20:24:54 1.446 +++ loncom/interface/loncommon.pm 2006/12/01 00:26:07 1.480 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.446 2006/08/18 20:24:54 albertel Exp $ +# $Id: loncommon.pm,v 1.480 2006/12/01 00:26:07 banghart Exp $ # # Copyright Michigan State University Board of Trustees # @@ -65,7 +65,7 @@ use Apache::lonhtmlcommon(); use Apache::loncoursedata(); use Apache::lontexconvert(); use Apache::lonclonecourse(); -use LONCAPA; +use LONCAPA qw(:DEFAULT :match); my $readit; @@ -157,7 +157,7 @@ BEGIN { opendir(DIR,$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") ) { @@ -257,7 +257,7 @@ 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+'&'; @@ -408,11 +415,18 @@ 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; @@ -435,10 +449,70 @@ sub coursebrowser_javascript { stdeditbrowser = open(url,title,options,'1'); stdeditbrowser.focus(); } - + + function getFormIdByName(formname) { + for (var i=0;i -// ENDOUTPUT return $output; @@ -1305,6 +1377,24 @@ sub select_form { return $selectform; } +# For display filters + +sub display_filter { + if (!$env{'form.show'}) { $env{'form.show'}=10; } + if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; } + return ' '. + &mt('Filter [_1]', + &select_form($env{'form.displayfilter'}, + 'displayfilter', + ('currentfolder' => 'Current folder/page', + 'containing' => 'Containing phrase', + 'none' => 'None'))). + ''; +} + sub gradeleveldescription { my $gradelevel=shift; my %gradelevels=(0 => 'Not specified', @@ -2069,6 +2159,27 @@ sub getnames { } } +sub getemails { + my ($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',$id,\%loadnames); + return %loadnames; + } +} + # ------------------------------------------------------------------ Screenname =pod @@ -2109,8 +2220,11 @@ sub noteswrapper { sub aboutmewrapper { my ($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 @@ -2139,7 +2253,9 @@ sub track_student_link { $target = ''; } if ($start) { $link.='&start='.$start; } - return qq{$linktext}; + + return qq{$linktext}. + &help_open_topic('View_recent_activity'); } =pod @@ -2350,7 +2466,8 @@ 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 ($browser) { @@ -2592,7 +2709,7 @@ sub submlink { my ($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) { $symb=&Apache::lonnet::symbread(); } @@ -2638,7 +2755,7 @@ sub pprmlink { my ($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(); } @@ -2693,8 +2810,9 @@ sub findallcourses { 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); + if ( $key=~m{^user\.role\.(\w+)\./($match_domain)/($match_username)/?(\w*)$} || + $key=~m{^user\.role\.(cr/$match_domain/$match_username/\w+)\./($match_domain)/($match_username)}) { + my ($role,$domain,$id,$sec) = ($1,$2,$3,$4); next if ($role eq 'ca' || $role eq 'aa'); next if (%roles && !exists($roles{$role})); my ($starttime,$endtime)=split(/\./,$env{$key}); @@ -2705,13 +2823,129 @@ sub findallcourses { if ($endtime) { if ($now>$endtime) { $active=0; } } - if ($active) { $courses{$domain.'_'.$id}=1; } + if ($active) { + if ($sec eq '') { + $sec = 'none'; + } + $courses{$domain.'_'.$id}{$sec} = 1; + } } } - return keys(%courses); + return %courses; } ############################################### + +sub blockcheck { + my ($setters,$activity) = @_; + # Retrieve active student roles and active course coordinator/instructor roles + + my %live_courses = &findallcourses(); + + # Retrieve blocking times and identity of blocker for active courses + # unless user has 'evb' privilege. + + my $startblock = 0; + my $endblock = 0; + + foreach my $course (keys(%live_courses)) { + my $cdom = $env{'course.'.$course.'.domain'}; + my $cnum = $env{'course.'.$course.'.num'}; + my $noblock = 0; + foreach my $sec (keys(%{$live_courses{$course}})) { + my $role = 'cm./'.$cdom.'/'.$cnum; + if ($sec ne 'none') { + $role .= '/'.$sec; + } + if (&Apache::lonnet::allowed('evb',undef,undef,$role)) { + $noblock = 1; + last; + } + } + # if they have the evb priv and are currently not playing student + next if (($noblock) && + ($env{'request.role'} !~ m{^st\./$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 > $1) ) { + $startblock = $1; + } + if ( ($endblock == 0) || ($endblock < $2) ) { + $endblock = $2; + } + } + } + } + } + return ($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 $fullname = &aboutmewrapper(&plainname($uname,$udom),$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(); +} + ############################################### =pod @@ -2850,6 +3084,9 @@ 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. @@ -2861,9 +3098,9 @@ 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); @@ -2881,7 +3118,7 @@ sub bodytag { # role and realm my ($role,$realm) = split(/\./,$env{'request.role'},2); if ($role eq 'ca') { - my ($rdom,$rname) = ($realm =~ m-^/(\w+)/(\w+)$-); + my ($rdom,$rname) = ($realm =~ m{^/($match_domain)/($match_username)$}); $realm = &plainname($rname,$rdom).':'.$rdom; } # realm @@ -3166,8 +3403,8 @@ 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'; @@ -3181,6 +3418,7 @@ sub standard_css { 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 @@ -3698,6 +3988,7 @@ 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); @@ -3706,9 +3997,11 @@ 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); } @@ -3732,8 +4025,8 @@ 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; @@ -3877,6 +4170,8 @@ 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 @@ -3886,7 +4181,8 @@ 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','only_body') { + 'bgcolor','frameset','no_nav_bar','only_body', + 'no_auto_mt_title') { if (defined($args->{$arg})) { $head_args{$arg} = $args->{$arg}; } @@ -3912,7 +4208,8 @@ 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); } } @@ -4052,6 +4349,13 @@ 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";; @@ -4454,6 +4758,96 @@ 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); @@ -4628,7 +5022,7 @@ sub get_env_multiple { =pod -=back +=back =head1 CSV Upload/Handling functions @@ -4742,7 +5136,15 @@ sub record_sep { $i++; } } else { - my @allfields=split(/\,/,$record); + my @allfields; + &Apache::lonnet::logthis("file type is ".$env{'form.upfiletype'}); + if ($env{'form.upfiletype'} eq 'semisv') { + &Apache::lonnet::logthis("splitting on ; "); + @allfields=split(/;/,$record); + } else { + &Apache::lonnet::logthis("splitting on , "); + @allfields=split(/\,/,$record); + } my $i=0; my $j; for ($j=0;$j<=$#allfields;$j++) { @@ -4780,6 +5182,7 @@ 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'), @@ -5619,7 +6022,7 @@ sub construct_course { # # Check if created correctly # - ($$crsudom,$$crsunum)=($$courseid=~/^\/(\w+)\/(\w+)$/); + ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid); my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom); $outcome .= &mt('Created on').': '.$crsuhome.'
'; # @@ -5628,7 +6031,7 @@ sub construct_course { my $cloneid=''; if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) { $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'}; - my ($clonecrsudom,$clonecrsunum)=($cloneid=~/^\/(\w+)\/(\w+)$/); + my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid); my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom); if ($clonehome eq 'no_host') { $outcome .= @@ -5921,15 +6324,6 @@ sub lonhttpdurl { return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url; } -sub absolute_url { - my ($host_name) = @_; - my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://'); - if ($host_name eq '') { - $host_name = $ENV{'SERVER_NAME'}; - } - return $protocol.$host_name; -} - sub connection_aborted { my ($r)=@_; $r->print(" ");$r->rflush(); @@ -5962,6 +6356,171 @@ 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