File:  [LON-CAPA] / loncom / interface / loncreateuser.pm
Revision 1.225: download - view: text, annotated - select for diffs
Mon Dec 31 01:58:17 2007 UTC (16 years, 6 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD
&update_roles() returns an array (containing roles modified) instead of a scalar (count of number of roles modified).

The output from update_roles() is used in course context to propagate any name/ID change to the classlist if the user has a student role, but the role modifications made did not include a change to the student role.

    1: # The LearningOnline Network with CAPA
    2: # Create a user
    3: #
    4: # $Id: loncreateuser.pm,v 1.225 2007/12/31 01:58:17 raeburn Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: ###
   29: 
   30: package Apache::loncreateuser;
   31: 
   32: =pod
   33: 
   34: =head1 NAME
   35: 
   36: Apache::loncreateuser - handler to create users and custom roles
   37: 
   38: =head1 SYNOPSIS
   39: 
   40: Apache::loncreateuser provides an Apache handler for creating users,
   41:     editing their login parameters, roles, and removing roles, and
   42:     also creating and assigning custom roles.
   43: 
   44: =head1 OVERVIEW
   45: 
   46: =head2 Custom Roles
   47: 
   48: In LON-CAPA, roles are actually collections of privileges. "Teaching
   49: Assistant", "Course Coordinator", and other such roles are really just
   50: collection of privileges that are useful in many circumstances.
   51: 
   52: Creating custom roles can be done by the Domain Coordinator through
   53: the Create User functionality. That screen will show all privileges
   54: that can be assigned to users. For a complete list of privileges,
   55: please see C</home/httpd/lonTabs/rolesplain.tab>.
   56: 
   57: Custom role definitions are stored in the C<roles.db> file of the role
   58: author.
   59: 
   60: =cut
   61: 
   62: use strict;
   63: use Apache::Constants qw(:common :http);
   64: use Apache::lonnet;
   65: use Apache::loncommon;
   66: use Apache::lonlocal;
   67: use Apache::longroup;
   68: use Apache::lonuserutils;
   69: use LONCAPA qw(:DEFAULT :match);
   70: 
   71: my $loginscript; # piece of javascript used in two separate instances
   72: my $authformnop;
   73: my $authformkrb;
   74: my $authformint;
   75: my $authformfsys;
   76: my $authformloc;
   77: 
   78: sub initialize_authen_forms {
   79:     my ($dom,$curr_authtype,$mode) = @_; 
   80:     my ($krbdefdom)=( $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/);
   81:     $krbdefdom= uc($krbdefdom);
   82:     my %param = ( formname => 'document.cu',
   83:                   kerb_def_dom => $krbdefdom,
   84:                   domain => $dom,
   85:                 );
   86:     my %abv_auth = &auth_abbrev();
   87:     if ($curr_authtype =~ /^(krb4|krb5|internal|localauth|unix):$/) {
   88:         my $long_auth = $1;
   89:         my %abv_auth = &auth_abbrev();
   90:         $param{'curr_authtype'} = $abv_auth{$long_auth};
   91:         if ($long_auth =~ /^krb(4|5)$/) {
   92:             $param{'curr_kerb_ver'} = $1;
   93:         }
   94:         if ($mode eq 'modifyuser') {
   95:             $param{'mode'} = $mode;
   96:         }
   97:     }
   98: # no longer static due to configurable kerberos defaults
   99: #    $loginscript  = &Apache::loncommon::authform_header(%param);
  100:     $authformnop  = &Apache::loncommon::authform_nochange(%param);
  101: # no longer static due to configurable kerberos defaults
  102: #    $authformkrb  = &Apache::loncommon::authform_kerberos(%param);
  103:     $authformint  = &Apache::loncommon::authform_internal(%param);
  104:     $authformfsys = &Apache::loncommon::authform_filesystem(%param);
  105:     $authformloc  = &Apache::loncommon::authform_local(%param);
  106: }
  107: 
  108: sub auth_abbrev {
  109:     my %abv_auth = (
  110:                      krb4     => 'krb',
  111:                      internal => 'int',
  112:                      localuth => 'loc',
  113:                      unix     => 'fsys',
  114:                    );
  115:     return %abv_auth;
  116: }
  117: 
  118: # ====================================================
  119: 
  120: sub portfolio_quota {
  121:     my ($ccuname,$ccdomain) = @_;
  122:     my %lt = &Apache::lonlocal::texthash(
  123:                    'disk' => "Disk space allocated to user's portfolio files",
  124:                    'cuqu' => "Current quota",
  125:                    'cust' => "Custom quota",
  126:                    'defa' => "Default",
  127:                    'chqu' => "Change quota",
  128:     );
  129:     my ($currquota,$quotatype,$inststatus,$defquota) = 
  130:         &Apache::loncommon::get_user_quota($ccuname,$ccdomain);
  131:     my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($ccdomain);
  132:     my ($longinsttype,$showquota,$custom_on,$custom_off,$defaultinfo);
  133:     if ($inststatus ne '') {
  134:         if ($usertypes->{$inststatus} ne '') {
  135:             $longinsttype = $usertypes->{$inststatus};
  136:         }
  137:     }
  138:     $custom_on = ' ';
  139:     $custom_off = ' checked="checked" ';
  140:     my $quota_javascript = <<"END_SCRIPT";
  141: <script type="text/javascript">
  142: function quota_changes(caller) {
  143:     if (caller == "custom") {
  144:         if (document.cu.customquota[0].checked) {
  145:             document.cu.portfolioquota.value = "";
  146:         }
  147:     }
  148:     if (caller == "quota") {
  149:         document.cu.customquota[1].checked = true;
  150:     }
  151: }
  152: </script>
  153: END_SCRIPT
  154:     if ($quotatype eq 'custom') {
  155:         $custom_on = $custom_off;
  156:         $custom_off = ' ';
  157:         $showquota = $currquota;
  158:         if ($longinsttype eq '') {
  159:             $defaultinfo = &mt('For this user, the default quota would be [_1]
  160:                             Mb.',$defquota);
  161:         } else {
  162:             $defaultinfo = &mt("For this user, the default quota would be [_1] 
  163:                             Mb, as determined by the user's institutional
  164:                            affiliation ([_2]).",$defquota,$longinsttype);
  165:         }
  166:     } else {
  167:         if ($longinsttype eq '') {
  168:             $defaultinfo = &mt('For this user, the default quota is [_1]
  169:                             Mb.',$defquota);
  170:         } else {
  171:             $defaultinfo = &mt("For this user, the default quota of [_1]
  172:                             Mb, is determined by the user's institutional
  173:                             affiliation ([_2]).",$defquota,$longinsttype);
  174:         }
  175:     }
  176:     my $output = $quota_javascript.
  177:                  '<h3>'.$lt{'disk'}.'</h3>'.
  178:                  &Apache::loncommon::start_data_table().
  179:                  &Apache::loncommon::start_data_table_row().
  180:                  '<td>'.$lt{'cuqu'}.': '.$currquota.'&nbsp;Mb.&nbsp;&nbsp;'.
  181:                  $defaultinfo.'</td>'.
  182:                  &Apache::loncommon::end_data_table_row().
  183:                  &Apache::loncommon::start_data_table_row().
  184:                  '<td><span class="LC_nobreak">'.$lt{'chqu'}.
  185:                  ': <label>'.
  186:                  '<input type="radio" name="customquota" value="0" '.
  187:                  $custom_off.' onchange="javascript:quota_changes('."'custom'".')"
  188:                   />'.$lt{'defa'}.'&nbsp;('.$defquota.' Mb).</label>&nbsp;'.
  189:                  '&nbsp;<label><input type="radio" name="customquota" value="1" '. 
  190:                  $custom_on.'  onchange="javascript:quota_changes('."'custom'".')" />'.
  191:                  $lt{'cust'}.':</label>&nbsp;'.
  192:                  '<input type="text" name="portfolioquota" size ="5" value="'.
  193:                  $showquota.'" onfocus="javascript:quota_changes('."'quota'".')" '.
  194:                  '/>&nbsp;Mb</span></td>'.
  195:                  &Apache::loncommon::end_data_table_row().
  196:                  &Apache::loncommon::end_data_table();
  197:     return $output;
  198: }
  199: 
  200: # =================================================================== Phase one
  201: 
  202: sub print_username_entry_form {
  203:     my ($r,$context,$response,$srch,$forcenewuser) = @_;
  204:     my $defdom=$env{'request.role.domain'};
  205:     my $formtoset = 'crtuser';
  206:     if (exists($env{'form.startrolename'})) {
  207:         $formtoset = 'docustom';
  208:         $env{'form.rolename'} = $env{'form.startrolename'};
  209:     } elsif ($env{'form.origform'} eq 'crtusername') {
  210:         $formtoset =  $env{'form.origform'};
  211:     }
  212: 
  213:     my ($jsback,$elements) = &crumb_utilities();
  214: 
  215:     my $jscript = &Apache::loncommon::studentbrowser_javascript()."\n".
  216:         '<script type="text/javascript">'."\n".
  217:         &Apache::lonhtmlcommon::set_form_elements($elements->{$formtoset}).
  218:         '</script>'."\n";
  219: 
  220:     my %loaditems = (
  221:                 'onload' => "javascript:setFormElements(document.$formtoset)",
  222:                     );
  223:     my $start_page =
  224: 	&Apache::loncommon::start_page('User Management',
  225: 				       $jscript,{'add_entries' => \%loaditems,});
  226:     if ($env{'form.action'} eq 'custom') {
  227:         &Apache::lonhtmlcommon::add_breadcrumb
  228:           ({href=>"javascript:backPage(document.crtuser)",
  229:             text=>"Pick custom role",});
  230:     } else {
  231:         &Apache::lonhtmlcommon::add_breadcrumb
  232:           ({href=>"javascript:backPage(document.crtuser)",
  233:             text=>"Single user search",
  234:             faq=>282,bug=>'Instructor Interface',});
  235:     }
  236:     my $helpitem = 'Course_Change_Privileges';
  237:     if ($env{'form.action'} eq 'custom') {
  238:         $helpitem = 'Course_Editing_Custom_Roles';
  239:     } elsif ($env{'form.action'} eq 'singlestudent') {
  240:         $helpitem = 'Course_Add_Student';
  241:     }
  242:     my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('User Management',
  243:                                                      $helpitem);
  244:     my %existingroles=&Apache::lonuserutils::my_custom_roles();
  245:     my $choice=&Apache::loncommon::select_form('make new role','rolename',
  246: 		('make new role' => 'Generate new role ...',%existingroles));
  247:     my %lt=&Apache::lonlocal::texthash(
  248:                     'srch' => "User Search",
  249:                      or    => "or",
  250: 		    'usr'  => "Username",
  251:                     'dom'  => "Domain",
  252:                     'ecrp' => "Edit Custom Role Privileges",
  253:                     'nr'   => "Name of Role",
  254:                     'cre'  => "Custom Role Editor",
  255:                     'mod'  => "to modify user information or add/modify roles",
  256:                     'enrl' => "to enroll one student",
  257: 				       );
  258:     my $help = &Apache::loncommon::help_open_menu(undef,undef,282,'Instructor Interface');
  259:     my $sellink=&Apache::loncommon::selectstudent_link('crtuser','srchterm','srchdomain');
  260:     if ($sellink) {
  261:         $sellink = "$lt{'or'} ".$sellink;
  262:     } 
  263:     $r->print($start_page."\n".$crumbs);
  264:     if ($env{'form.action'} eq 'custom') {
  265:         if (&Apache::lonnet::allowed('mcr','/')) {
  266:             $r->print(<<ENDCUSTOM);
  267: <form action="/adm/createuser" method="post" name="docustom">
  268: <input type="hidden" name="action" value="$env{'form.action'}" />
  269: <input type="hidden" name="phase" value="selected_custom_edit" />
  270: <h3>$lt{'ecrp'}</h3>
  271: $lt{'nr'}: $choice <input type="text" size="15" name="newrolename" /><br />
  272: <input name="customeditor" type="submit" value="$lt{'cre'}" />
  273: </form>
  274: ENDCUSTOM
  275:         }
  276:     } else {
  277:         my $actiontext = $lt{'mod'};
  278:         if ($env{'form.action'} eq 'singlestudent') {
  279:             $actiontext = $lt{'enrl'};
  280:         }
  281:         $r->print("
  282: <h3>$lt{'srch'} $sellink $actiontext</h3>");
  283:         if ($env{'form.origform'} ne 'crtusername') {
  284:             $r->print("\n".$response);
  285:         }
  286:         $r->print(&entry_form($defdom,$srch,$forcenewuser,$context,$response));
  287:     }
  288:     $r->print(&Apache::loncommon::end_page());
  289: }
  290: 
  291: sub entry_form {
  292:     my ($dom,$srch,$forcenewuser,$context,$responsemsg) = @_;
  293:     my %domconf = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
  294:     my $usertype;
  295:     if (ref($srch) eq 'HASH') {
  296:         if (($srch->{'srchin'} eq 'dom') &&
  297:             ($srch->{'srchby'} eq 'uname') &&
  298:             ($srch->{'srchtype'} eq 'exact') &&
  299:             ($srch->{'srchdomain'} ne '') &&
  300:             ($srch->{'srchterm'} ne '')) {
  301:             my ($rules,$ruleorder) =
  302:                 &Apache::lonnet::inst_userrules($srch->{'srchdomain'},'username');
  303:             $usertype = &Apache::lonuserutils::check_usertype($srch->{'srchdomain'},$srch->{'srchterm'},$rules);
  304:         }
  305:     }
  306:     my $cancreate =
  307:         &Apache::lonuserutils::can_create_user($dom,$context,$usertype);
  308:     my $userpicker = 
  309:        &Apache::loncommon::user_picker($dom,$srch,$forcenewuser,
  310:                                        'document.crtuser',$cancreate,$usertype);
  311:     my $srchbutton = &mt('Search');
  312:     my $output = <<"ENDBLOCK";
  313: <form action="/adm/createuser" method="post" name="crtuser">
  314: <input type="hidden" name="action" value="$env{'form.action'}" />
  315: <input type="hidden" name="phase" value="get_user_info" />
  316: $userpicker
  317: <input name="userrole" type="button" value="$srchbutton" onclick="javascript:validateEntry(document.crtuser)" />
  318: </form>
  319: ENDBLOCK
  320:     if ($cancreate && $env{'form.phase'} eq '') {
  321:         my $defdom=$env{'request.role.domain'};
  322:         my $domform = &Apache::loncommon::select_dom_form($defdom,'srchdomain');
  323:         my $helpcrt=&Apache::loncommon::help_open_topic('Course_Change_Privileges');
  324:         my %lt=&Apache::lonlocal::texthash(
  325:                   'crnu' => 'Create a new user',
  326:                   'usr'  => 'Username',
  327:                   'dom'  => 'in domain',
  328:                   'cra'  => 'Create user',
  329:         );
  330:         $output .= <<"ENDDOCUMENT";
  331: <form action="/adm/createuser" method="post" name="crtusername">
  332: <input type="hidden" name="action" value="$env{'form.action'}" />
  333: <input type="hidden" name="phase" value="createnewuser" />
  334: <input type="hidden" name="srchtype" value="exact" />
  335: <input type="hidden" name="srchby" value="username" />
  336: <input type="hidden" name="srchin" value="dom" />
  337: <input type="hidden" name="forcenewuser" value="1" />
  338: <input type="hidden" name="origform" value="crtusername" />
  339: <h3>$lt{crnu}$helpcrt</h3>
  340: $responsemsg
  341: <table>
  342:  <tr>
  343:   <td>$lt{'usr'}:</td>
  344:   <td><input type="text" size="15" name="srchterm" /></td>
  345:   <td>&nbsp;$lt{'dom'}:</td><td>$domform</td>
  346:   <td>&nbsp;<input name="userrole" type="submit" value="$lt{'cra'}" /></td>
  347:  </tr>
  348: </table>
  349: </form>
  350: ENDDOCUMENT
  351:     }
  352:     return $output;
  353: }
  354: 
  355: sub user_modification_js {
  356:     my ($pjump_def,$dc_setcourse_code,$nondc_setsection_code,$groupslist)=@_;
  357:     
  358:     return <<END;
  359: <script type="text/javascript" language="Javascript">
  360: 
  361:     function pclose() {
  362:         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
  363:                  "height=350,width=350,scrollbars=no,menubar=no");
  364:         parmwin.close();
  365:     }
  366: 
  367:     $pjump_def
  368:     $dc_setcourse_code
  369: 
  370:     function dateset() {
  371:         eval("document.cu."+document.cu.pres_marker.value+
  372:             ".value=document.cu.pres_value.value");
  373:         pclose();
  374:     }
  375: 
  376:     $nondc_setsection_code
  377: 
  378: </script>
  379: END
  380: }
  381: 
  382: # =================================================================== Phase two
  383: sub print_user_selection_page {
  384:     my ($r,$response,$srch,$srch_results,$operation,$srcharray,$context) = @_;
  385:     my @fields = ('username','domain','lastname','firstname','permanentemail');
  386:     my $sortby = $env{'form.sortby'};
  387: 
  388:     if (!grep(/^\Q$sortby\E$/,@fields)) {
  389:         $sortby = 'lastname';
  390:     }
  391: 
  392:     my ($jsback,$elements) = &crumb_utilities();
  393: 
  394:     my $jscript = (<<ENDSCRIPT);
  395: <script type="text/javascript">
  396: function pickuser(uname,udom) {
  397:     document.usersrchform.seluname.value=uname;
  398:     document.usersrchform.seludom.value=udom;
  399:     document.usersrchform.phase.value="userpicked";
  400:     document.usersrchform.submit();
  401: }
  402: 
  403: $jsback
  404: </script>
  405: ENDSCRIPT
  406: 
  407:     my %lt=&Apache::lonlocal::texthash(
  408:                                        'usrch'          => "User Search to add/modify roles",
  409:                                        'stusrch'        => "User Search to enroll student",
  410:                                        'usel'           => "Select a user to add/modify roles",
  411:                                        'stusel'         => "Select a user to enroll as a student", 
  412:                                        'username'       => "username",
  413:                                        'domain'         => "domain",
  414:                                        'lastname'       => "last name",
  415:                                        'firstname'      => "first name",
  416:                                        'permanentemail' => "permanent e-mail",
  417:                                       );
  418:     $r->print(&Apache::loncommon::start_page('User Management',$jscript));
  419:     if ($operation eq 'createuser') {
  420:         &Apache::lonhtmlcommon::add_breadcrumb
  421:             ({href=>"javascript:backPage(document.usersrchform,'','')",
  422:               text=>"Create/modify user",
  423:               faq=>282,bug=>'Instructor Interface',},
  424:              {href=>"javascript:backPage(document.usersrchform,'get_user_info','select')",
  425:               text=>"Select User",
  426:               faq=>282,bug=>'Instructor Interface',});
  427:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('User Management',
  428:                                                       'Course_Change_Privileges'));
  429:         $r->print("<b>$lt{'usrch'}</b><br />");
  430:         $r->print(&entry_form($srch->{'srchdomain'},$srch,undef,$context));
  431:         $r->print('<h3>'.$lt{'usel'}.'</h3>');
  432:     } elsif ($operation eq 'enrollstudent') {
  433:         &Apache::lonhtmlcommon::add_breadcrumb
  434:             ({href=>"javascript:backPage(document.usersrchform,'','')",
  435:               text=>"Create/modify student",
  436:               faq=>282,bug=>'Instructor Interface',},
  437:              {href=>"javascript:backPage(document.usersrchform,'get_user_info','select')",
  438:               text=>"Select Student",
  439:               faq=>282,bug=>'Instructor Interface',});
  440:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('User Management',
  441:                                                       'Course_Add_Student'));
  442:         $r->print($jscript."<b>$lt{'stusrch'}</b><br />");
  443:         $r->print(&entry_form($srch->{'srchdomain'},$srch,undef,$context));
  444:         $r->print('</form><h3>'.$lt{'stusel'}.'</h3>');
  445:     }
  446:     $r->print('<form name="usersrchform" method="post">'.
  447:               &Apache::loncommon::start_data_table()."\n".
  448:               &Apache::loncommon::start_data_table_header_row()."\n".
  449:               ' <th> </th>'."\n");
  450:     foreach my $field (@fields) {
  451:         $r->print(' <th><a href="javascript:document.usersrchform.sortby.value='.
  452:                   "'".$field."'".';document.usersrchform.submit();">'.
  453:                   $lt{$field}.'</a></th>'."\n");
  454:     }
  455:     $r->print(&Apache::loncommon::end_data_table_header_row());
  456: 
  457:     my @sorted_users = sort {
  458:         lc($srch_results->{$a}->{$sortby})   cmp lc($srch_results->{$b}->{$sortby})
  459:             ||
  460:         lc($srch_results->{$a}->{lastname})  cmp lc($srch_results->{$b}->{lastname})
  461:             ||
  462:         lc($srch_results->{$a}->{firstname}) cmp lc($srch_results->{$b}->{firstname})
  463: 	    ||
  464: 	lc($a) cmp lc($b)
  465:         } (keys(%$srch_results));
  466: 
  467:     foreach my $user (@sorted_users) {
  468:         my ($uname,$udom) = split(/:/,$user);
  469:         $r->print(&Apache::loncommon::start_data_table_row().
  470:                   '<td><input type="button" name="seluser" value="'.&mt('Select').'" onclick="javascript:pickuser('."'".$uname."'".','."'".$udom."'".')" /></td>'.
  471:                   '<td><tt>'.$uname.'</tt></td>'.
  472:                   '<td><tt>'.$udom.'</tt></td>');
  473:         foreach my $field ('lastname','firstname','permanentemail') {
  474:             $r->print('<td>'.$srch_results->{$user}->{$field}.'</td>');
  475:         }
  476:         $r->print(&Apache::loncommon::end_data_table_row());
  477:     }
  478:     $r->print(&Apache::loncommon::end_data_table().'<br /><br />');
  479:     if (ref($srcharray) eq 'ARRAY') {
  480:         foreach my $item (@{$srcharray}) {
  481:             $r->print('<input type="hidden" name="'.$item.'" value="'.$env{'form.'.$item}.'" />'."\n");
  482:         }
  483:     }
  484:     $r->print(' <input type="hidden" name="sortby" value="'.$sortby.'" />'."\n".
  485:               ' <input type="hidden" name="seluname" value="" />'."\n".
  486:               ' <input type="hidden" name="seludom" value="" />'."\n".
  487:               ' <input type="hidden" name="currstate" value="select" />'."\n".
  488:               ' <input type="hidden" name="phase" value="get_user_info" />'."\n".
  489:               ' <input type="hidden" name="action" value="'.$env{'form.action'}.'" />'."\n");
  490:     $r->print($response.'</form>'.&Apache::loncommon::end_page());
  491: }
  492: 
  493: sub print_user_query_page {
  494:     my ($r,$caller) = @_;
  495: # FIXME - this is for a network-wide name search (similar to catalog search)
  496: # To use frames with similar behavior to catalog/portfolio search.
  497: # To be implemented. 
  498:     return;
  499: }
  500: 
  501: sub print_user_modification_page {
  502:     my ($r,$ccuname,$ccdomain,$srch,$response,$context,$permission) = @_;
  503:     if (($ccuname eq '') || ($ccdomain eq '')) {
  504:         my $usermsg = &mt('No username and/or domain provided.');
  505:         $env{'form.phase'} = '';
  506: 	&print_username_entry_form($r,$context,$usermsg);
  507:         return;
  508:     }
  509:     my ($form,$formname);
  510:     if ($env{'form.action'} eq 'singlestudent') {
  511:         $form = 'document.enrollstudent';
  512:         $formname = 'enrollstudent';
  513:     } else {
  514:         $form = 'document.cu';
  515:         $formname = 'cu';
  516:     }
  517:     my %abv_auth = &auth_abbrev();
  518:     my ($curr_authtype,%rulematch,%inst_results,$curr_kerb_ver,$newuser,
  519:         %alerts,%curr_rules,%got_rules);
  520:     my $uhome=&Apache::lonnet::homeserver($ccuname,$ccdomain);
  521:     if ($uhome eq 'no_host') {
  522:         my $usertype;
  523:         my ($rules,$ruleorder) =
  524:             &Apache::lonnet::inst_userrules($ccdomain,'username');
  525:             $usertype =
  526:                 &Apache::lonuserutils::check_usertype($ccdomain,$ccuname,$rules);
  527:         my $cancreate =
  528:             &Apache::lonuserutils::can_create_user($ccdomain,$context,
  529:                                                    $usertype);
  530:         if (!$cancreate) {
  531:             my $helplink = ' href="javascript:helpMenu('."'display'".')"';
  532:             my %usertypetext = (
  533:                 official   => 'institutional',
  534:                 unofficial => 'non-institutional',
  535:             );
  536:             my $response;
  537:             if ($env{'form.origform'} eq 'crtusername') {
  538:                 $response =  '<span class="LC_warning">'.&mt('No match was found for the username ([_1]) in LON-CAPA domain: [_2]',$ccuname,$ccdomain).
  539:                             '</span><br />';
  540:             }
  541:             $response .= '<span class="LC_warning">'.&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.").' '.&mt('Contact the <a[_1]>helpdesk</a> for assistance.',$helplink).'</span><br /><br />';
  542:             $env{'form.phase'} = '';
  543:             &print_username_entry_form($r,$context,$response);
  544:             return;
  545:         }
  546:         $newuser = 1;
  547:         my $checkhash;
  548:         my $checks = { 'username' => 1 };
  549:         $checkhash->{$ccuname.':'.$ccdomain} = { 'newuser' => $newuser };
  550:         &Apache::loncommon::user_rule_check($checkhash,$checks,
  551:             \%alerts,\%rulematch,\%inst_results,\%curr_rules,\%got_rules);
  552:         if (ref($alerts{'username'}) eq 'HASH') {
  553:             if (ref($alerts{'username'}{$ccdomain}) eq 'HASH') {
  554:                 my $domdesc =
  555:                     &Apache::lonnet::domain($ccdomain,'description');
  556:                 if ($alerts{'username'}{$ccdomain}{$ccuname}) {
  557:                     my $userchkmsg;
  558:                     if (ref($curr_rules{$ccdomain}) eq 'HASH') {  
  559:                         $userchkmsg = 
  560:                             &Apache::loncommon::instrule_disallow_msg('username',
  561:                                                                  $domdesc,1).
  562:                         &Apache::loncommon::user_rule_formats($ccdomain,
  563:                             $domdesc,$curr_rules{$ccdomain}{'username'},
  564:                             'username');
  565:                     }
  566:                     $env{'form.phase'} = '';
  567:                     &print_username_entry_form($r,$context,$userchkmsg);
  568:                     return;
  569:                 }
  570:             }
  571:         }
  572:     } else {
  573:         $newuser = 0;
  574:         my $currentauth = 
  575:             &Apache::lonnet::queryauthenticate($ccuname,$ccdomain);
  576:         if ($currentauth =~ /^(krb4|krb5|unix|internal|localauth):/) {	
  577:             $curr_authtype = $abv_auth{$1};
  578:             if ($currentauth =~ /^krb(4|5)/) {
  579:                 $curr_kerb_ver = $1;
  580:             }
  581:         }
  582:     }
  583:     if ($response) {
  584:         $response = '<br />'.$response;
  585:     }
  586:     my $defdom=$env{'request.role.domain'};
  587: 
  588:     my ($krbdef,$krbdefdom) =
  589:        &Apache::loncommon::get_kerberos_defaults($defdom);
  590: 
  591:     my %param = ( formname => 'document.cu',
  592:                   kerb_def_dom => $krbdefdom,
  593:                   kerb_def_auth => $krbdef,
  594:                   curr_authtype => $curr_authtype,
  595:                   curr_kerb_ver => $curr_kerb_ver,
  596:                   domain => $ccdomain,
  597:                 );
  598:     $loginscript  = &Apache::loncommon::authform_header(%param);
  599:     $authformkrb  = &Apache::loncommon::authform_kerberos(%param);
  600: 
  601:     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
  602:     my $dc_setcourse_code = '';
  603:     my $nondc_setsection_code = '';                                        
  604:     my %loaditem;
  605: 
  606:     my $groupslist = &Apache::lonuserutils::get_groupslist();
  607: 
  608:     my $js = &validation_javascript($context,$ccdomain,$pjump_def,
  609:                                $groupslist,$newuser,$formname,\%loaditem);
  610:     my $start_page = 
  611: 	&Apache::loncommon::start_page('User Management',
  612: 				       $js,{'add_entries' => \%loaditem,});
  613:     my %breadcrumb_text = &singleuser_breadcrumb();
  614:     &Apache::lonhtmlcommon::add_breadcrumb
  615:      ({href=>"javascript:backPage($form)",
  616:        text=>$breadcrumb_text{'search'},
  617:        faq=>282,bug=>'Instructor Interface',});
  618: 
  619:     if ($env{'form.phase'} eq 'userpicked') {
  620:         &Apache::lonhtmlcommon::add_breadcrumb
  621:      ({href=>"javascript:backPage($form,'get_user_info','select')",
  622:        text=>$breadcrumb_text{'userpicked'},
  623:        faq=>282,bug=>'Instructor Interface',});
  624:     }
  625:     &Apache::lonhtmlcommon::add_breadcrumb
  626:       ({href=>"javascript:backPage($form,'$env{'form.phase'}','modify')",
  627:         text=>$breadcrumb_text{'modify'},
  628:         faq=>282,bug=>'Instructor Interface',});
  629:     my $helpitem = 'Course_Change_Privileges';
  630:     if ($env{'form.action'} eq 'singlestudent') {
  631:         $helpitem = 'Course_Add_Student';
  632:     }
  633:     my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('User Management',
  634:                                                      $helpitem);
  635: 
  636:     my $forminfo =<<"ENDFORMINFO";
  637: <form action="/adm/createuser" method="post" name="$formname">
  638: <input type="hidden" name="phase" value="update_user_data" />
  639: <input type="hidden" name="ccuname" value="$ccuname" />
  640: <input type="hidden" name="ccdomain" value="$ccdomain" />
  641: <input type="hidden" name="pres_value"  value="" />
  642: <input type="hidden" name="pres_type"   value="" />
  643: <input type="hidden" name="pres_marker" value="" />
  644: ENDFORMINFO
  645:     my %inccourses;
  646:     foreach my $key (keys(%env)) {
  647: 	if ($key=~/^user\.priv\.cm\.\/($match_domain)\/($match_username)/) {
  648: 	    $inccourses{$1.'_'.$2}=1;
  649:         }
  650:     }
  651:     if ($newuser) {
  652:         my $portfolioform;
  653:         if (&Apache::lonnet::allowed('mpq',$env{'request.role.domain'})) {
  654:             # Current user has quota modification privileges
  655:             $portfolioform = '<br />'.&portfolio_quota($ccuname,$ccdomain);
  656:         }
  657:         &initialize_authen_forms($ccdomain);
  658:         my %lt=&Apache::lonlocal::texthash(
  659:                 'cnu'            => 'Create New User',
  660:                 'ast'            => 'as a student',
  661:                 'ind'            => 'in domain',
  662:                 'lg'             => 'Login Data',
  663:                 'hs'             => "Home Server",
  664:         );
  665: 	$r->print(<<ENDTITLE);
  666: $start_page
  667: $crumbs
  668: $response
  669: $forminfo
  670: <script type="text/javascript" language="Javascript">
  671: $loginscript
  672: </script>
  673: <input type='hidden' name='makeuser' value='1' />
  674: <h2>$lt{'cnu'} "$ccuname" $lt{'ind'} $ccdomain
  675: ENDTITLE
  676:         if ($env{'form.action'} eq 'singlestudent') {
  677:             $r->print(' ('.$lt{'ast'}.')');
  678:         }
  679:         $r->print('</h2>'."\n".'<div class="LC_left_float">');
  680:         my $personal_table = 
  681:             &personal_data_display($ccuname,$ccdomain,$newuser,$context,
  682:                                    $inst_results{$ccuname.':'.$ccdomain});
  683:         $r->print($personal_table);
  684:         my ($home_server_pick,$numlib) = 
  685:             &Apache::loncommon::home_server_form_item($ccdomain,'hserver',
  686:                                                       'default','hide');
  687:         if ($numlib > 1) {
  688:             $r->print("
  689: <br />
  690: $lt{'hs'}: $home_server_pick
  691: <br />");
  692:         } else {
  693:             $r->print($home_server_pick);
  694:         }
  695:         $r->print('</div>'."\n".'<div class="LC_left_float"><h3>'.
  696:                   $lt{'lg'}.'</h3>');
  697:         my ($fixedauth,$varauth,$authmsg); 
  698:         if (ref($rulematch{$ccuname.':'.$ccdomain}) eq 'HASH') {
  699:             my $matchedrule = $rulematch{$ccuname.':'.$ccdomain}{'username'};
  700:             my ($rules,$ruleorder) = 
  701:                 &Apache::lonnet::inst_userrules($ccdomain,'username');
  702:             if (ref($rules) eq 'HASH') {
  703:                 if (ref($rules->{$matchedrule}) eq 'HASH') {
  704:                     my $authtype = $rules->{$matchedrule}{'authtype'};
  705:                     if ($authtype !~ /^(krb4|krb5|int|fsys|loc)$/) {
  706:                         $r->print(&Apache::lonuserutils::set_login($ccdomain,$authformkrb,$authformint,$authformloc));
  707:                     } else { 
  708:                         my $authparm = $rules->{$matchedrule}{'authparm'};
  709:                         if ($authtype =~ /^krb(4|5)$/) {
  710:                             my $ver = $1;
  711:                             if ($authparm ne '') {
  712:                                 $fixedauth = <<"KERB"; 
  713: <input type="hidden" name="login" value="krb" />
  714: <input type="hidden" name="krbver" value="$ver" />
  715: <input type="hidden" name="krbarg" value="$authparm" />
  716: KERB
  717:                                 $authmsg = $rules->{$matchedrule}{'authmsg'};    
  718:                             }
  719:                         } else {
  720:                             $fixedauth = 
  721: '<input type="hidden" name="login" value="'.$authtype.'" />'."\n";
  722:                             if ($rules->{$matchedrule}{'authparmfixed'}) {
  723:                                 $fixedauth .=    
  724: '<input type="hidden" name="'.$authtype.'arg" value="'.$authparm.'" />'."\n";
  725:                             } else {
  726:                                 $varauth =  
  727: '<input type="text" name="'.$authtype.'arg" value="" />'."\n";
  728:                             }
  729:                         }
  730:                     }
  731:                 } else {
  732:                     $r->print(&Apache::lonuserutils::set_login($ccdomain,$authformkrb,$authformint,$authformloc));
  733:                 }
  734:             }
  735:             if ($authmsg) {
  736:                 $r->print(<<ENDAUTH);
  737: $fixedauth
  738: $authmsg
  739: $varauth
  740: ENDAUTH
  741:             }
  742:         } else {
  743:             $r->print(&Apache::lonuserutils::set_login($ccdomain,$authformkrb,$authformint,$authformloc)); 
  744:         }
  745:         $r->print($portfolioform);
  746:         if ($env{'form.action'} eq 'singlestudent') {
  747:             $r->print(&date_sections_select($context,$newuser,$formname,
  748:                                             $permission));
  749:         }
  750:         $r->print('</div><div class="LC_clear_float_footer"></div>');
  751:     } else { # user already exists
  752: 	my %lt=&Apache::lonlocal::texthash(
  753:                     'cup'  => "Modify existing user: ",
  754:                     'ens'  => "Enroll one student: ",
  755:                     'id'   => "in domain",
  756: 				       );
  757: 	$r->print(<<ENDCHANGEUSER);
  758: $start_page
  759: $crumbs
  760: $forminfo
  761: <h2>
  762: ENDCHANGEUSER
  763:         if ($env{'form.action'} eq 'singlestudent') {
  764:             $r->print($lt{'ens'});
  765:         } else {
  766:             $r->print($lt{'cup'});
  767:         }
  768:         $r->print(' "'.$ccuname.'" '.$lt{'id'}.' "'.$ccdomain.'"</h2>'.
  769:                   "\n".'<div class="LC_left_float">');
  770:         my ($personal_table,$showforceid) = 
  771:             &personal_data_display($ccuname,$ccdomain,$newuser,$context,
  772:                                    $inst_results{$ccuname.':'.$ccdomain});
  773:         $r->print($personal_table);
  774:         if ($showforceid) {
  775:             $r->print(&Apache::lonuserutils::forceid_change($context));
  776:         }
  777:         $r->print('</div>');
  778:         my $user_auth_text = 
  779:             &user_authentication($ccuname,$ccdomain,$krbdefdom,\%abv_auth);
  780:         my $user_quota_text;
  781:         if (&Apache::lonnet::allowed('mpq',$ccdomain)) {
  782:             # Current user has quota modification privileges
  783:             $user_quota_text = &portfolio_quota($ccuname,$ccdomain);
  784:         } elsif (&Apache::lonnet::allowed('mpq',$env{'request.role.domain'})) {
  785:             # Get the user's portfolio information
  786:             my %portq = &Apache::lonnet::get('environment',['portfolioquota'],
  787:                                              $ccdomain,$ccuname);
  788: 
  789:             my %lt=&Apache::lonlocal::texthash(
  790:                 'dska'  => "Disk space allocated to user's portfolio files",
  791:                 'youd'  => "You do not have privileges to modify the portfolio quota for this user.",
  792:                 'ichr'  => "If a change is required, contact a domain coordinator for the domain",
  793:             );
  794:             $user_quota_text = <<ENDNOPORTPRIV;
  795: <h3>$lt{'dska'}</h3>
  796: $lt{'youd'} $lt{'ichr'}: $ccdomain
  797: ENDNOPORTPRIV
  798:         }
  799:         if ($user_auth_text ne '') {
  800:             $r->print('<div class="LC_left_float">'.$user_auth_text);
  801:             if ($user_quota_text ne '') {
  802:                 $r->print($user_quota_text);
  803:             }
  804:             if ($env{'form.action'} eq 'singlestudent') {
  805:                 $r->print(&date_sections_select($context,$newuser,$formname));
  806:             }
  807:         } elsif ($user_quota_text ne '') {
  808:             $r->print('<div class="LC_left_float">'.$user_quota_text);
  809:             if ($env{'form.action'} eq 'singlestudent') {
  810:                 $r->print(&date_sections_select($context,$newuser,$formname));
  811:             }
  812:         } else {
  813:             if ($env{'form.action'} eq 'singlestudent') {
  814:                 $r->print('<div class="LC_left_float">'.
  815:                           &date_sections_select($context,$newuser,$formname));
  816:             }
  817:         }
  818:         $r->print('</div><div class="LC_clear_float_footer"></div>');
  819:         if ($env{'form.action'} ne 'singlestudent') {
  820:             &display_existing_roles($r,$ccuname,$ccdomain,\%inccourses);
  821:         }
  822:     } ## End of new user/old user logic
  823: 
  824:     if ($env{'form.action'} eq 'singlestudent') {
  825:         $r->print('<br /><input type="button" value="'.&mt('Enroll Student').'" onClick="setSections(this.form)" />'."\n");
  826:     } else {
  827:         $r->print('<h3>'.&mt('Add Roles').'</h3>');
  828:         my $addrolesdisplay = 0;
  829:         if ($context eq 'domain' || $context eq 'author') {
  830:             $addrolesdisplay = &new_coauthor_roles($r,$ccuname,$ccdomain);
  831:         }
  832:         if ($context eq 'domain') {
  833:             my $add_domainroles = &new_domain_roles($r);
  834:             if (!$addrolesdisplay) {
  835:                 $addrolesdisplay = $add_domainroles;
  836:             }
  837:             $r->print(&course_level_dc($env{'request.role.domain'},'Course'));
  838:             $r->print('<br /><input type="button" value="'.&mt('Modify User').'" onClick="setCourse()" />'."\n");
  839:         } elsif ($context eq 'author') {
  840:             if ($addrolesdisplay) {
  841:                 $r->print('<br /><input type="button" value="'.&mt('Modify User').'"');
  842:                 if ($newuser) {
  843:                     $r->print(' onClick="verify_message(this.form)" \>'."\n");
  844:                 } else {
  845:                     $r->print('onClick="this.form.submit()" \>'."\n");
  846:                 }
  847:             } else {
  848:                 $r->print('<br /><a href="javascript:backPage(document.cu)">'.
  849:                           &mt('Back to previous page').'</a>');
  850:             }
  851:         } else {
  852:             $r->print(&course_level_table(%inccourses));
  853:             $r->print('<br /><input type="button" value="'.&mt('Modify User').'" onClick="setSections(this.form)" />'."\n");
  854:         }
  855:     }
  856:     $r->print(&Apache::lonhtmlcommon::echo_form_input(['phase','userrole','ccdomain','prevphase','currstate','ccuname','ccdomain']));
  857:     $r->print('<input type="hidden" name="currstate" value="" />');
  858:     $r->print('<input type="hidden" name="prevphase" value="'.$env{'form.phase'}.'" />');
  859:     $r->print("</form>".&Apache::loncommon::end_page());
  860:     return;
  861: }
  862: 
  863: sub singleuser_breadcrumb {
  864:     my %breadcrumb_text;
  865:     if ($env{'form.action'} eq 'singlestudent') {
  866:         $breadcrumb_text{'search'} = 'Enroll a student';
  867:         $breadcrumb_text{'userpicked'} = 'Select a user',
  868:         $breadcrumb_text{'modify'} = 'Set section/dates',
  869:     } else {
  870:         $breadcrumb_text{'search'} = 'Create/modify user';
  871:         $breadcrumb_text{'userpicked'} = 'Select a user',
  872:         $breadcrumb_text{'modify'} = 'Set user role',
  873:     }
  874:     return %breadcrumb_text;
  875: }
  876: 
  877: sub date_sections_select {
  878:     my ($context,$newuser,$formname,$permission) = @_;
  879:     my $cid = $env{'request.course.id'};
  880:     my ($cnum,$cdom) = &Apache::lonuserutils::get_course_identity($cid);
  881:     my $date_table = '<h3>'.&mt('Starting and Ending Dates').'</h3>'."\n".
  882:         &Apache::lonuserutils::date_setting_table(undef,undef,$context,
  883:                                                   undef,$formname,$permission);
  884:     my $rowtitle = 'Section';
  885:     my $secbox = '<h3>'.&mt('Section').'</h3>'."\n".
  886:         &Apache::lonuserutils::section_picker($cdom,$cnum,'st',$rowtitle,
  887:                                               $permission);
  888:     my $output = $date_table.$secbox;
  889:     return $output;
  890: }
  891: 
  892: sub validation_javascript {
  893:     my ($context,$ccdomain,$pjump_def,$groupslist,$newuser,$formname,
  894:         $loaditem) = @_;
  895:     my $dc_setcourse_code = '';
  896:     my $nondc_setsection_code = '';
  897:     if ($context eq 'domain') {
  898:         my $dcdom = $env{'request.role.domain'};
  899:         $loaditem->{'onload'} = "document.cu.coursedesc.value='';";
  900:         $dc_setcourse_code = &Apache::lonuserutils::dc_setcourse_js('cu','singleuser');
  901:     } else {
  902:         $nondc_setsection_code =
  903:             &Apache::lonuserutils::setsections_javascript($formname,$groupslist);
  904:     }
  905:     my $js = &user_modification_js($pjump_def,$dc_setcourse_code,
  906:                                    $nondc_setsection_code,$groupslist);
  907: 
  908:     my ($jsback,$elements) = &crumb_utilities();
  909:     my $javascript_validations;
  910:     if ((&Apache::lonnet::allowed('mau',$ccdomain)) || ($newuser)) {
  911:         my ($krbdef,$krbdefdom) =
  912:             &Apache::loncommon::get_kerberos_defaults($ccdomain);
  913:         $javascript_validations =
  914:             &Apache::lonuserutils::javascript_validations('createuser',$krbdefdom,undef,
  915:                                                           undef,$ccdomain);
  916:     }
  917:     $js .= "\n".
  918:            '<script type="text/javascript">'."\n".$jsback."\n".
  919:            $javascript_validations.'</script>';
  920:     return $js;
  921: }
  922: 
  923: sub display_existing_roles {
  924:     my ($r,$ccuname,$ccdomain,$inccourses) = @_;
  925:     my %rolesdump=&Apache::lonnet::dump('roles',$ccdomain,$ccuname);
  926:     # Build up table of user roles to allow revocation and re-enabling of roles.
  927:     my ($tmp) = keys(%rolesdump);
  928:     if ($tmp !~ /^(con_lost|error)/i) {
  929:         my $now=time;
  930:         my %lt=&Apache::lonlocal::texthash(
  931:                     'rer'  => "Existing Roles",
  932:                     'rev'  => "Revoke",
  933:                     'del'  => "Delete",
  934:                     'ren'  => "Re-Enable",
  935:                     'rol'  => "Role",
  936:                     'ext'  => "Extent",
  937:                     'sta'  => "Start",
  938:                     'end'  => "End",
  939:                                        );
  940:         my (%roletext,%sortrole,%roleclass,%rolepriv);
  941:         foreach my $area (sort { my $a1=join('_',(split('_',$a))[1,0]);
  942:                                     my $b1=join('_',(split('_',$b))[1,0]);
  943:                                     return $a1 cmp $b1;
  944:                                 } keys(%rolesdump)) {
  945:             next if ($area =~ /^rolesdef/);
  946:             my $envkey=$area;
  947:             my $role = $rolesdump{$area};
  948:             my $thisrole=$area;
  949:             $area =~ s/\_\w\w$//;
  950:             my ($role_code,$role_end_time,$role_start_time) =
  951:                 split(/_/,$role);
  952: # Is this a custom role? Get role owner and title.
  953:             my ($croleudom,$croleuname,$croletitle)=
  954:                 ($role_code=~m{^cr/($match_domain)/($match_username)/(\w+)$});
  955:             my $allowed=0;
  956:             my $delallowed=0;
  957:             my $sortkey=$role_code;
  958:             my $class='Unknown';
  959:             if ($area =~ m{^/($match_domain)/($match_courseid)} ) {
  960:                 $class='Course';
  961:                 my ($coursedom,$coursedir) = ($1,$2);
  962:                 $sortkey.="\0$coursedom";
  963:                 # $1.'_'.$2 is the course id (eg. 103_12345abcef103l3).
  964:                 my %coursedata=
  965:                     &Apache::lonnet::coursedescription($1.'_'.$2);
  966:                 my $carea;
  967:                 if (defined($coursedata{'description'})) {
  968:                     $carea=$coursedata{'description'}.
  969:                         '<br />'.&mt('Domain').': '.$coursedom.('&nbsp;'x8).
  970:      &Apache::loncommon::syllabuswrapper('Syllabus',$coursedir,$coursedom);
  971:                     $sortkey.="\0".$coursedata{'description'};
  972:                     $class=$coursedata{'type'};
  973:                 } else {
  974:                     $carea=&mt('Unavailable course').': '.$area;
  975:                     $sortkey.="\0".&mt('Unavailable course').': '.$area;
  976:                 }
  977:                 $sortkey.="\0$coursedir";
  978:                 $inccourses->{$1.'_'.$2}=1;
  979:                 if ((&Apache::lonnet::allowed('c'.$role_code,$1.'/'.$2)) ||
  980:                     (&Apache::lonnet::allowed('c'.$role_code,$ccdomain))) {
  981:                     $allowed=1;
  982:                 }
  983:                 if ((&Apache::lonnet::allowed('dro',$1)) ||
  984:                     (&Apache::lonnet::allowed('dro',$ccdomain))) {
  985:                     $delallowed=1;
  986:                 }
  987: # - custom role. Needs more info, too
  988:                 if ($croletitle) {
  989:                     if (&Apache::lonnet::allowed('ccr',$1.'/'.$2)) {
  990:                         $allowed=1;
  991:                         $thisrole.='.'.$role_code;
  992:                     }
  993:                 }
  994:                 # Compute the background color based on $area
  995:                 if ($area=~m{^/($match_domain)/($match_courseid)/(\w+)}) {
  996:                     $carea.='<br />Section: '.$3;
  997:                     $sortkey.="\0$3";
  998:                     if (!$allowed) {
  999:                         if ($env{'request.course.sec'} eq $3) {
 1000:                             if (&Apache::lonnet::allowed('c'.$role_code,$1.'/'.$2.'/'.$3)) {
 1001:                                 $allowed = 1;
 1002:                             }
 1003:                         }
 1004:                     }
 1005:                 }
 1006:                 $area=$carea;
 1007:             } else {
 1008:                 $sortkey.="\0".$area;
 1009:                 # Determine if current user is able to revoke privileges
 1010:                 if ($area=~m{^/($match_domain)/}) {
 1011:                     if ((&Apache::lonnet::allowed('c'.$role_code,$1)) ||
 1012:                        (&Apache::lonnet::allowed('c'.$role_code,$ccdomain))) {
 1013:                         $allowed=1;
 1014:                     }
 1015:                     if (((&Apache::lonnet::allowed('dro',$1))  ||
 1016:                          (&Apache::lonnet::allowed('dro',$ccdomain))) &&
 1017:                         ($role_code ne 'dc')) {
 1018:                         $delallowed=1;
 1019:                     }
 1020:                 } else {
 1021:                     if (&Apache::lonnet::allowed('c'.$role_code,'/')) {
 1022:                         $allowed=1;
 1023:                     }
 1024:                 }
 1025:                 if ($role_code eq 'ca' || $role_code eq 'au') {
 1026:                     $class='Construction Space';
 1027:                 } elsif ($role_code eq 'su') {
 1028:                     $class='System';
 1029:                 } else {
 1030:                     $class='Domain';
 1031:                 }
 1032:             }
 1033:             if (($role_code eq 'ca') || ($role_code eq 'aa')) {
 1034:                 $area=~m{/($match_domain)/($match_username)};
 1035:                 if (&Apache::lonuserutils::authorpriv($2,$1)) {
 1036:                     $allowed=1;
 1037:                 } else {
 1038:                     $allowed=0;
 1039:                 }
 1040:             }
 1041:             my $row = '';
 1042:             $row.= '<td>';
 1043:             my $active=1;
 1044:             $active=0 if (($role_end_time) && ($now>$role_end_time));
 1045:             if (($active) && ($allowed)) {
 1046:                 $row.= '<input type="checkbox" name="rev:'.$thisrole.'" />';
 1047:             } else {
 1048:                 if ($active) {
 1049:                    $row.='&nbsp;';
 1050:                 } else {
 1051:                    $row.=&mt('expired or revoked');
 1052:                 }
 1053:             }
 1054:             $row.='</td><td>';
 1055:             if ($allowed && !$active) {
 1056:                 $row.= '<input type="checkbox" name="ren:'.$thisrole.'" />';
 1057:             } else {
 1058:                 $row.='&nbsp;';
 1059:             }
 1060:             $row.='</td><td>';
 1061:             if ($delallowed) {
 1062:                 $row.= '<input type="checkbox" name="del:'.$thisrole.'" />';
 1063:             } else {
 1064:                 $row.='&nbsp;';
 1065:             }
 1066:             my $plaintext='';
 1067:             if (!$croletitle) {
 1068:                 $plaintext=&Apache::lonnet::plaintext($role_code,$class)
 1069:             } else {
 1070:                 $plaintext=
 1071:         "Customrole '$croletitle'<br />defined by $croleuname\@$croleudom";
 1072:             }
 1073:             $row.= '</td><td>'.$plaintext.
 1074:                    '</td><td>'.$area.
 1075:                    '</td><td>'.($role_start_time?localtime($role_start_time)
 1076:                                                 : '&nbsp;' ).
 1077:                    '</td><td>'.($role_end_time  ?localtime($role_end_time)
 1078:                                                 : '&nbsp;' )
 1079:                    ."</td>";
 1080:             $sortrole{$sortkey}=$envkey;
 1081:             $roletext{$envkey}=$row;
 1082:             $roleclass{$envkey}=$class;
 1083:             $rolepriv{$envkey}=$allowed;
 1084:             #$r->print($row);
 1085:         } # end of foreach        (table building loop)
 1086:         my $rolesdisplay = 0;
 1087:         my %output = ();
 1088:         foreach my $type ('Construction Space','Course','Group','Domain','System','Unknown') {
 1089:             $output{$type} = '';
 1090:             foreach my $which (sort {uc($a) cmp uc($b)} (keys(%sortrole))) {
 1091:                 if ( ($roleclass{$sortrole{$which}} =~ /^\Q$type\E/ ) && ($rolepriv{$sortrole{$which}}) ) {
 1092:                     $output{$type}.=
 1093:                           &Apache::loncommon::start_data_table_row().
 1094:                           $roletext{$sortrole{$which}}.
 1095:                           &Apache::loncommon::end_data_table_row();
 1096:                 }
 1097:             }
 1098:             unless($output{$type} eq '') {
 1099:                 $output{$type} = '<tr class="LC_info_row">'.
 1100:                           "<td align='center' colspan='7'>".&mt($type)."</td></tr>".
 1101:                            $output{$type};
 1102:                 $rolesdisplay = 1;
 1103:             }
 1104:         }
 1105:         if ($rolesdisplay == 1) {
 1106:             $r->print('
 1107: <h3>'.$lt{'rer'}.'</h3>'.
 1108: &Apache::loncommon::start_data_table("LC_createuser").
 1109: &Apache::loncommon::start_data_table_header_row().
 1110: '<th>'.$lt{'rev'}.'</th><th>'.$lt{'ren'}.'</th><th>'.$lt{'del'}.
 1111: '</th><th>'.$lt{'rol'}.'</th><th>'.$lt{'ext'}.
 1112: '</th><th>'.$lt{'sta'}.'</th><th>'.$lt{'end'}.'</th>'.
 1113: &Apache::loncommon::end_data_table_header_row());
 1114:            foreach my $type ('Construction Space','Course','Group','Domain','System','Unknown') {
 1115:                 if ($output{$type}) {
 1116:                     $r->print($output{$type}."\n");
 1117:                 }
 1118:             }
 1119:             $r->print(&Apache::loncommon::end_data_table());
 1120:         }
 1121:     }  # End of check for keys in rolesdump
 1122:     return;
 1123: }
 1124: 
 1125: sub new_coauthor_roles {
 1126:     my ($r,$ccuname,$ccdomain) = @_;
 1127:     my $addrolesdisplay = 0;
 1128:     #
 1129:     # Co-Author
 1130:     #
 1131:     if (&Apache::lonuserutils::authorpriv($env{'user.name'},
 1132:                                           $env{'request.role.domain'}) &&
 1133:         ($env{'user.name'} ne $ccuname || $env{'user.domain'} ne $ccdomain)) {
 1134:         # No sense in assigning co-author role to yourself
 1135:         $addrolesdisplay = 1;
 1136:         my $cuname=$env{'user.name'};
 1137:         my $cudom=$env{'request.role.domain'};
 1138:         my %lt=&Apache::lonlocal::texthash(
 1139:                     'cs'   => "Construction Space",
 1140:                     'act'  => "Activate",
 1141:                     'rol'  => "Role",
 1142:                     'ext'  => "Extent",
 1143:                     'sta'  => "Start",
 1144:                     'end'  => "End",
 1145:                     'cau'  => "Co-Author",
 1146:                     'caa'  => "Assistant Co-Author",
 1147:                     'ssd'  => "Set Start Date",
 1148:                     'sed'  => "Set End Date"
 1149:                                        );
 1150:         $r->print('<h4>'.$lt{'cs'}.'</h4>'."\n".
 1151:                   &Apache::loncommon::start_data_table()."\n".
 1152:                   &Apache::loncommon::start_data_table_header_row()."\n".
 1153:                   '<th>'.$lt{'act'}.'</th><th>'.$lt{'rol'}.'</th>'.
 1154:                   '<th>'.$lt{'ext'}.'</th><th>'.$lt{'sta'}.'</th>'.
 1155:                   '<th>'.$lt{'end'}.'</th>'."\n".
 1156:                   &Apache::loncommon::end_data_table_header_row()."\n".
 1157:                   &Apache::loncommon::start_data_table_row().'
 1158:            <td>
 1159:             <input type=checkbox name="act_'.$cudom.'_'.$cuname.'_ca" />
 1160:            </td>
 1161:            <td>'.$lt{'cau'}.'</td>
 1162:            <td>'.$cudom.'_'.$cuname.'</td>
 1163:            <td><input type="hidden" name="start_'.$cudom.'_'.$cuname.'_ca" value="" />
 1164:              <a href=
 1165: "javascript:pjump('."'date_start','Start Date Co-Author',document.cu.start_$cudom\_$cuname\_ca.value,'start_$cudom\_$cuname\_ca','cu.pres','dateset'".')">'.$lt{'ssd'}.'</a></td>
 1166: <td><input type="hidden" name="end_'.$cudom.'_'.$cuname.'_ca" value="" />
 1167: <a href=
 1168: "javascript:pjump('."'date_end','End Date Co-Author',document.cu.end_$cudom\_$cuname\_ca.value,'end_$cudom\_$cuname\_ca','cu.pres','dateset'".')">'.$lt{'sed'}.'</a></td>'."\n".
 1169:               &Apache::loncommon::end_data_table_row()."\n".
 1170:               &Apache::loncommon::start_data_table_row()."\n".
 1171: '<td><input type=checkbox name="act_'.$cudom.'_'.$cuname.'_aa" /></td>
 1172: <td>'.$lt{'caa'}.'</td>
 1173: <td>'.$cudom.'_'.$cuname.'</td>
 1174: <td><input type="hidden" name="start_'.$cudom.'_'.$cuname.'_aa" value="" />
 1175: <a href=
 1176: "javascript:pjump('."'date_start','Start Date Assistant Co-Author',document.cu.start_$cudom\_$cuname\_aa.value,'start_$cudom\_$cuname\_aa','cu.pres','dateset'".')">'.$lt{'ssd'}.'</a></td>
 1177: <td><input type="hidden" name="end_'.$cudom.'_'.$cuname.'_aa" value="" />
 1178: <a href=
 1179: "javascript:pjump('."'date_end','End Date Assistant Co-Author',document.cu.end_$cudom\_$cuname\_aa.value,'end_$cudom\_$cuname\_aa','cu.pres','dateset'".')">'.$lt{'sed'}.'</a></td>'."\n".
 1180:              &Apache::loncommon::end_data_table_row()."\n".
 1181:              &Apache::loncommon::end_data_table());
 1182:     } elsif ($env{'request.role'} =~ /^au\./) {
 1183:         if (!(&Apache::lonuserutils::authorpriv($env{'user.name'},
 1184:                                                 $env{'request.role.domain'}))) {
 1185:             $r->print('<span class="LC_error">'.
 1186:                       &mt('You do not have privileges to assign co-author roles.').
 1187:                       '</span>');
 1188:         } elsif (($env{'user.name'} eq $ccuname) &&
 1189:              ($env{'user.domain'} eq $ccdomain)) {
 1190:             $r->print(&mt('Assigning yourself a co-author or assistant co-author role in your own author area in Construction Space is not permitted'));
 1191:         }
 1192:     }
 1193:     return $addrolesdisplay;;
 1194: }
 1195: 
 1196: sub new_domain_roles {
 1197:     my ($r) = @_;
 1198:     my $addrolesdisplay = 0;
 1199:     #
 1200:     # Domain level
 1201:     #
 1202:     my $num_domain_level = 0;
 1203:     my $domaintext =
 1204:     '<h4>'.&mt('Domain Level').'</h4>'.
 1205:     &Apache::loncommon::start_data_table().
 1206:     &Apache::loncommon::start_data_table_header_row().
 1207:     '<th>'.&mt('Activate').'</th><th>'.&mt('Role').'</th><th>'.
 1208:     &mt('Extent').'</th>'.
 1209:     '<th>'.&mt('Start').'</th><th>'.&mt('End').'</th>'.
 1210:     &Apache::loncommon::end_data_table_header_row();
 1211:     foreach my $thisdomain (sort(&Apache::lonnet::all_domains())) {
 1212:         foreach my $role ('dc','li','dg','au','sc') {
 1213:             if (&Apache::lonnet::allowed('c'.$role,$thisdomain)) {
 1214:                my $plrole=&Apache::lonnet::plaintext($role);
 1215:                my %lt=&Apache::lonlocal::texthash(
 1216:                     'ssd'  => "Set Start Date",
 1217:                     'sed'  => "Set End Date"
 1218:                                        );
 1219:                $num_domain_level ++;
 1220:                $domaintext .=
 1221: &Apache::loncommon::start_data_table_row().
 1222: '<td><input type=checkbox name="act_'.$thisdomain.'_'.$role.'" /></td>
 1223: <td>'.$plrole.'</td>
 1224: <td>'.$thisdomain.'</td>
 1225: <td><input type="hidden" name="start_'.$thisdomain.'_'.$role.'" value="" />
 1226: <a href=
 1227: "javascript:pjump('."'date_start','Start Date $plrole',document.cu.start_$thisdomain\_$role.value,'start_$thisdomain\_$role','cu.pres','dateset'".')">'.$lt{'ssd'}.'</a></td>
 1228: <td><input type="hidden" name="end_'.$thisdomain.'_'.$role.'" value="" />
 1229: <a href=
 1230: "javascript:pjump('."'date_end','End Date $plrole',document.cu.end_$thisdomain\_$role.value,'end_$thisdomain\_$role','cu.pres','dateset'".')">'.$lt{'sed'}.'</a></td>'.
 1231: &Apache::loncommon::end_data_table_row();
 1232:             }
 1233:         }
 1234:     }
 1235:     $domaintext.= &Apache::loncommon::end_data_table();
 1236:     if ($num_domain_level > 0) {
 1237:         $r->print($domaintext);
 1238:         $addrolesdisplay = 1;
 1239:     }
 1240:     return $addrolesdisplay;
 1241: }
 1242: 
 1243: sub user_authentication {
 1244:     my ($ccuname,$ccdomain,$krbdefdom,$abv_auth) = @_;
 1245:     my $currentauth=&Apache::lonnet::queryauthenticate($ccuname,$ccdomain);
 1246:     my ($loginscript,$outcome);
 1247:     if ($currentauth=~/^(krb)(4|5):(.*)/) {
 1248:         my $long_auth = $1.$2;
 1249:         my $curr_kerb_ver = $2;
 1250:         my $krbdefdom=$3;
 1251:         my $curr_authtype = $abv_auth->{$long_auth};
 1252:         my %param = ( formname      => 'document.cu',
 1253:                       kerb_def_dom  => $krbdefdom,
 1254:                       domain        => $ccdomain,
 1255:                       curr_authtype => $curr_authtype,
 1256:                       curr_kerb_ver => $curr_kerb_ver,
 1257:                           );
 1258:         $loginscript  = &Apache::loncommon::authform_header(%param);
 1259:     }
 1260:     # Check for a bad authentication type
 1261:     if ($currentauth !~ /^(krb4|krb5|unix|internal|localauth):/) {
 1262:         # bad authentication scheme
 1263:         my %lt=&Apache::lonlocal::texthash(
 1264:                        'err'   => "ERROR",
 1265:                        'uuas'  => "This user has an unrecognized authentication scheme",
 1266:                        'adcs'  => "Please alert a domain coordinator of this situation",
 1267:                        'sldb'  => "Please specify login data below",
 1268:                        'ld'    => "Login Data"
 1269:         );
 1270:         if (&Apache::lonnet::allowed('mau',$ccdomain)) {
 1271:             &initialize_authen_forms($ccdomain);
 1272:             my $choices = &Apache::lonuserutils::set_login($ccdomain,$authformkrb,$authformint,$authformloc);
 1273:             $outcome = <<ENDBADAUTH;
 1274: <script type="text/javascript" language="Javascript">
 1275: $loginscript
 1276: </script>
 1277: <span class="LC_error">$lt{'err'}:
 1278: $lt{'uuas'} ($currentauth). $lt{'sldb'}.</span>
 1279: <h3>$lt{'ld'}</h3>
 1280: $choices
 1281: ENDBADAUTH
 1282:         } else {
 1283:             # This user is not allowed to modify the user's
 1284:             # authentication scheme, so just notify them of the problem
 1285:             $outcome = <<ENDBADAUTH;
 1286: <span class="LC_error"> $lt{'err'}: 
 1287: $lt{'uuas'} ($currentauth). $lt{'adcs'}.
 1288: </span>
 1289: ENDBADAUTH
 1290:         }
 1291:     } else { # Authentication type is valid
 1292:         &initialize_authen_forms($ccdomain,$currentauth,'modifyuser');
 1293:         my ($authformcurrent,$can_modify,@authform_others) =
 1294:             &modify_login_block($ccdomain,$currentauth);
 1295:         if (&Apache::lonnet::allowed('mau',$ccdomain)) {
 1296:             # Current user has login modification privileges
 1297:             my %lt=&Apache::lonlocal::texthash (
 1298:                            'ld'    => "Login Data",
 1299:                            'ccld'  => "Change Current Login Data",
 1300:                            'enld'  => "Enter New Login Data"
 1301:                                                );
 1302:             $outcome =
 1303:                        '<script type="text/javascript" language="Javascript">'."\n".
 1304:                        $loginscript."\n".
 1305:                        '</script>'."\n".
 1306:                        '<h3>'.$lt{'ld'}.'</h3>'.
 1307:                        &Apache::loncommon::start_data_table().
 1308:                        &Apache::loncommon::start_data_table_row().
 1309:                        '<td>'.$authformnop;
 1310:             if ($can_modify) {
 1311:                 $outcome .= '</td>'."\n".
 1312:                             &Apache::loncommon::end_data_table_row().
 1313:                             &Apache::loncommon::start_data_table_row().
 1314:                             '<td>'.$authformcurrent.'</td>'.
 1315:                             &Apache::loncommon::end_data_table_row()."\n";
 1316:             } else {
 1317:                 $outcome .= '&nbsp;('.$authformcurrent.')</td>'.
 1318:                             &Apache::loncommon::end_data_table_row()."\n";
 1319:             }
 1320:             foreach my $item (@authform_others) { 
 1321:                 $outcome .= &Apache::loncommon::start_data_table_row().
 1322:                             '<td>'.$item.'</td>'.
 1323:                             &Apache::loncommon::end_data_table_row()."\n";
 1324:             }
 1325:             $outcome .= &Apache::loncommon::end_data_table();
 1326:         } else {
 1327:             if (&Apache::lonnet::allowed('mau',$env{'request.role.domain'})) {
 1328:                 my %lt=&Apache::lonlocal::texthash(
 1329:                            'ccld'  => "Change Current Login Data",
 1330:                            'yodo'  => "You do not have privileges to modify the authentication configuration for this user.",
 1331:                            'ifch'  => "If a change is required, contact a domain coordinator for the domain",
 1332:                 );
 1333:                 $outcome .= <<ENDNOPRIV;
 1334: <h3>$lt{'ccld'}</h3>
 1335: $lt{'yodo'} $lt{'ifch'}: $ccdomain
 1336: ENDNOPRIV
 1337:             }
 1338:         }
 1339:     }  ## End of "check for bad authentication type" logic
 1340:     return $outcome;
 1341: }
 1342: 
 1343: sub modify_login_block {
 1344:     my ($dom,$currentauth) = @_;
 1345:     my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
 1346:     my ($authnum,%can_assign) =
 1347:         &Apache::loncommon::get_assignable_auth($dom);
 1348:     my ($authformcurrent,@authform_others,$show_override_msg);
 1349:     if ($currentauth=~/^krb(4|5):/) {
 1350:         $authformcurrent=$authformkrb;
 1351:         if ($can_assign{'int'}) {
 1352:             push(@authform_others,$authformint);
 1353:         }
 1354:         if ($can_assign{'loc'}) {
 1355:             push(@authform_others,$authformloc);
 1356:         }
 1357:         if (($can_assign{'krb4'}) || ($can_assign{'krb5'})) {
 1358:             $show_override_msg = 1;
 1359:         }
 1360:     } elsif ($currentauth=~/^internal:/) {
 1361:         $authformcurrent=$authformint;
 1362:         if (($can_assign{'krb4'}) || ($can_assign{'krb5'})) {
 1363:             push(@authform_others,$authformkrb);
 1364:         }
 1365:         if ($can_assign{'loc'}) {
 1366:             push(@authform_others,$authformloc);
 1367:         }
 1368:         if ($can_assign{'int'}) {
 1369:             $show_override_msg = 1;
 1370:         }
 1371:     } elsif ($currentauth=~/^unix:/) {
 1372:         $authformcurrent=$authformfsys;
 1373:         if (($can_assign{'krb4'}) || ($can_assign{'krb5'})) {
 1374:             push(@authform_others,$authformkrb);
 1375:         }
 1376:         if ($can_assign{'int'}) {
 1377:             push(@authform_others,$authformint);
 1378:         }
 1379:         if ($can_assign{'loc'}) {
 1380:             push(@authform_others,$authformloc);
 1381:         }
 1382:         if ($can_assign{'fsys'}) {
 1383:             $show_override_msg = 1;
 1384:         }
 1385:     } elsif ($currentauth=~/^localauth:/) {
 1386:         $authformcurrent=$authformloc;
 1387:         if (($can_assign{'krb4'}) || ($can_assign{'krb5'})) {
 1388:             push(@authform_others,$authformkrb);
 1389:         }
 1390:         if ($can_assign{'int'}) {
 1391:             push(@authform_others,$authformint);
 1392:         }
 1393:         if ($can_assign{'loc'}) {
 1394:             $show_override_msg = 1;
 1395:         }
 1396:     }
 1397:     if ($show_override_msg) {
 1398:         $authformcurrent = '<table><tr><td colspan="3">'.$authformcurrent.
 1399:                            '</td></tr>'."\n".
 1400:                            '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
 1401:                            '<td><b>'.&mt('Currently in use').'</b></td>'.
 1402:                            '<td align="right"><span class="LC_cusr_emph">'.
 1403:                             &mt('will override current values').
 1404:                             '</span></td></tr></table>';
 1405:     }
 1406:     return ($authformcurrent,$show_override_msg,@authform_others); 
 1407: }
 1408: 
 1409: sub personal_data_display {
 1410:     my ($ccuname,$ccdomain,$newuser,$context,$inst_results) = @_;
 1411:     my ($output,$showforceid,%userenv,%canmodify);
 1412:     my @userinfo = ('firstname','middlename','lastname','generation',
 1413:                     'permanentemail','id');
 1414:     if (!$newuser) {
 1415:         # Get the users information
 1416:         %userenv = &Apache::lonnet::get('environment',
 1417:                    ['firstname','middlename','lastname','generation',
 1418:                     'permanentemail','id'],$ccdomain,$ccuname);
 1419:         %canmodify =
 1420:             &Apache::lonuserutils::can_modify_userinfo($context,$ccdomain,
 1421:                                                        \@userinfo);
 1422:     }
 1423:     my %lt=&Apache::lonlocal::texthash(
 1424:                 'pd'             => "Personal Data",
 1425:                 'firstname'      => "First Name",
 1426:                 'middlename'     => "Middle Name",
 1427:                 'lastname'       => "Last Name",
 1428:                 'generation'     => "Generation",
 1429:                 'permanentemail' => "Permanent e-mail address",
 1430:                 'id'             => "ID/Student Number",
 1431:                 'lg'             => "Login Data"
 1432:     );
 1433:     my %textboxsize = (
 1434:                        firstname      => '15',
 1435:                        middlename     => '15',
 1436:                        lastname       => '15',
 1437:                        generation     => '5',
 1438:                        permanentemail => '25',
 1439:                        id             => '15',
 1440:                       );
 1441:     my $genhelp=&Apache::loncommon::help_open_topic('Generation');
 1442:     $output = '<h3>'.$lt{'pd'}.'</h3>'.
 1443:               &Apache::lonhtmlcommon::start_pick_box();
 1444:     foreach my $item (@userinfo) {
 1445:         my $rowtitle = $lt{$item};
 1446:         if ($item eq 'generation') {
 1447:             $rowtitle = $genhelp.$rowtitle;
 1448:         }
 1449:         $output .= &Apache::lonhtmlcommon::row_title($rowtitle,undef,'LC_oddrow_value')."\n";
 1450:         if ($newuser) {
 1451:             if (ref($inst_results) eq 'HASH') {
 1452:                 if ($inst_results->{$item} ne '') {
 1453:                     $output .= '<input type="hidden" name="c'.$item.'" value="'.$inst_results->{$item}.'" />'.$inst_results->{$item};
 1454:                 } else {
 1455:                     $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
 1456:                 }
 1457:             } else {
 1458:                 $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
 1459:             }
 1460:         } else {
 1461:             if ($canmodify{$item}) {
 1462:                 $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="'.$userenv{$item}.'" />';
 1463:             } else {
 1464:                 $output .= $userenv{$item};
 1465:             }
 1466:             if ($item eq 'id') {
 1467:                 $showforceid = $canmodify{$item};
 1468:             }
 1469:         }
 1470:         $output .= &Apache::lonhtmlcommon::row_closure(1);
 1471:     }
 1472:     $output .= &Apache::lonhtmlcommon::end_pick_box();
 1473:     if (wantarray) {
 1474:         return ($output,$showforceid);
 1475:     } else {
 1476:         return $output;
 1477:     }
 1478: }
 1479: 
 1480: # ================================================================= Phase Three
 1481: sub update_user_data {
 1482:     my ($r,$context) = @_; 
 1483:     my $uhome=&Apache::lonnet::homeserver($env{'form.ccuname'},
 1484:                                           $env{'form.ccdomain'});
 1485:     # Error messages
 1486:     my $error     = '<span class="LC_error">'.&mt('Error').': ';
 1487:     my $end       = '</span><br /><br />';
 1488:     my $rtnlink   = '<a href="javascript:backPage(document.userupdate,'.
 1489:                     "'$env{'form.prevphase'}','modify')".'" />'.
 1490:                     &mt('Return to previous page').'</a>'.
 1491:                     &Apache::loncommon::end_page();
 1492:     my $now = time;
 1493:     my $title;
 1494:     if (exists($env{'form.makeuser'})) {
 1495: 	$title='Set Privileges for New User';
 1496:     } else {
 1497:         $title='Modify User Privileges';
 1498:     }
 1499:     my $newuser = 0;
 1500:     my ($jsback,$elements) = &crumb_utilities();
 1501:     my $jscript = '<script type="text/javascript">'."\n".
 1502:                   $jsback."\n".'</script>'."\n";
 1503:     my %breadcrumb_text = &singleuser_breadcrumb();
 1504:     $r->print(&Apache::loncommon::start_page($title,$jscript));
 1505:     &Apache::lonhtmlcommon::add_breadcrumb
 1506:        ({href=>"javascript:backPage(document.userupdate)",
 1507:          text=>$breadcrumb_text{'search'},
 1508:          faq=>282,bug=>'Instructor Interface',});
 1509:     if ($env{'form.prevphase'} eq 'userpicked') {
 1510:         &Apache::lonhtmlcommon::add_breadcrumb
 1511:            ({href=>"javascript:backPage(document.userupdate,'get_user_info','select')",
 1512:              text=>$breadcrumb_text{'userpicked'},
 1513:              faq=>282,bug=>'Instructor Interface',});
 1514:     }
 1515:     &Apache::lonhtmlcommon::add_breadcrumb
 1516:        ({href=>"javascript:backPage(document.userupdate,'$env{'form.prevphase'}','modify')",
 1517:          text=>$breadcrumb_text{'modify'},
 1518:          faq=>282,bug=>'Instructor Interface',},
 1519:         {href=>"/adm/createuser",
 1520:          text=>"Result",
 1521:          faq=>282,bug=>'Instructor Interface',});
 1522:     my $helpitem = 'Course_Change_Privileges';
 1523:     if ($env{'form.action'} eq 'singlestudent') {
 1524:         $helpitem = 'Course_Add_Student';
 1525:     }
 1526:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('User Management',
 1527:                                                  $helpitem));
 1528:     $r->print(&update_result_form($uhome));
 1529:     # Check Inputs
 1530:     if (! $env{'form.ccuname'} ) {
 1531: 	$r->print($error.&mt('No login name specified').'.'.$end.$rtnlink);
 1532: 	return;
 1533:     }
 1534:     if (  $env{'form.ccuname'} ne 
 1535: 	  &LONCAPA::clean_username($env{'form.ccuname'}) ) {
 1536: 	$r->print($error.&mt('Invalid login name').'.  '.
 1537: 		  &mt('Only letters, numbers, periods, dashes, @, and underscores are valid').'.'.
 1538: 		  $end.$rtnlink);
 1539: 	return;
 1540:     }
 1541:     if (! $env{'form.ccdomain'}       ) {
 1542: 	$r->print($error.&mt('No domain specified').'.'.$end.$rtnlink);
 1543: 	return;
 1544:     }
 1545:     if (  $env{'form.ccdomain'} ne
 1546: 	  &LONCAPA::clean_domain($env{'form.ccdomain'}) ) {
 1547: 	$r->print($error.&mt ('Invalid domain name').'.  '.
 1548: 		  &mt('Only letters, numbers, periods, dashes, and underscores are valid').'.'.
 1549: 		  $end.$rtnlink);
 1550: 	return;
 1551:     }
 1552:     if ($uhome eq 'no_host') {
 1553:         $newuser = 1;
 1554:     }
 1555:     if (! exists($env{'form.makeuser'})) {
 1556:         # Modifying an existing user, so check the validity of the name
 1557:         if ($uhome eq 'no_host') {
 1558:             $r->print($error.&mt('Unable to determine home server for ').
 1559:                       $env{'form.ccuname'}.&mt(' in domain ').
 1560:                       $env{'form.ccdomain'}.'.');
 1561:             return;
 1562:         }
 1563:     }
 1564:     # Determine authentication method and password for the user being modified
 1565:     my $amode='';
 1566:     my $genpwd='';
 1567:     if ($env{'form.login'} eq 'krb') {
 1568: 	$amode='krb';
 1569: 	$amode.=$env{'form.krbver'};
 1570: 	$genpwd=$env{'form.krbarg'};
 1571:     } elsif ($env{'form.login'} eq 'int') {
 1572: 	$amode='internal';
 1573: 	$genpwd=$env{'form.intarg'};
 1574:     } elsif ($env{'form.login'} eq 'fsys') {
 1575: 	$amode='unix';
 1576: 	$genpwd=$env{'form.fsysarg'};
 1577:     } elsif ($env{'form.login'} eq 'loc') {
 1578: 	$amode='localauth';
 1579: 	$genpwd=$env{'form.locarg'};
 1580: 	$genpwd=" " if (!$genpwd);
 1581:     } elsif (($env{'form.login'} eq 'nochange') ||
 1582:              ($env{'form.login'} eq ''        )) { 
 1583:         # There is no need to tell the user we did not change what they
 1584:         # did not ask us to change.
 1585:         # If they are creating a new user but have not specified login
 1586:         # information this will be caught below.
 1587:     } else {
 1588: 	    $r->print($error.&mt('Invalid login mode or password').$end.$rtnlink);    
 1589: 	    return;
 1590:     }
 1591: 
 1592:     $r->print('<h3>'.&mt('User [_1] in domain [_2]',
 1593: 			 $env{'form.ccuname'}, $env{'form.ccdomain'}).'</h3>');
 1594:     my (%alerts,%rulematch,%inst_results,%curr_rules);
 1595:     if ($env{'form.makeuser'}) {
 1596: 	$r->print('<h3>'.&mt('Creating new account.').'</h3>');
 1597:         # Check for the authentication mode and password
 1598:         if (! $amode || ! $genpwd) {
 1599: 	    $r->print($error.&mt('Invalid login mode or password').$end.$rtnlink);    
 1600: 	    return;
 1601: 	}
 1602:         # Determine desired host
 1603:         my $desiredhost = $env{'form.hserver'};
 1604:         if (lc($desiredhost) eq 'default') {
 1605:             $desiredhost = undef;
 1606:         } else {
 1607:             my %home_servers = 
 1608: 		&Apache::lonnet::get_servers($env{'form.ccdomain'},'library');
 1609:             if (! exists($home_servers{$desiredhost})) {
 1610:                 $r->print($error.&mt('Invalid home server specified').$end.$rtnlink);
 1611:                 return;
 1612:             }
 1613:         }
 1614:         # Check ID format
 1615:         my %checkhash;
 1616:         my %checks = ('id' => 1);
 1617:         %{$checkhash{$env{'form.ccuname'}.':'.$env{'form.ccdomain'}}} = (
 1618:             'newuser' => $newuser, 
 1619:             'id' => $env{'form.cid'},
 1620:         );
 1621:         if ($env{'form.cid'} ne '') {
 1622:             &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
 1623:                                           \%rulematch,\%inst_results,\%curr_rules);
 1624:             if (ref($alerts{'id'}) eq 'HASH') {
 1625:                 if (ref($alerts{'id'}{$env{'form.ccdomain'}}) eq 'HASH') {
 1626:                     my $domdesc =
 1627:                         &Apache::lonnet::domain($env{'form.ccdomain'},'description');
 1628:                     if ($alerts{'id'}{$env{'form.ccdomain'}}{$env{'form.cid'}}) {
 1629:                         my $userchkmsg;
 1630:                         if (ref($curr_rules{$env{'form.ccdomain'}}) eq 'HASH') {
 1631:                             $userchkmsg  = 
 1632:                                 &Apache::loncommon::instrule_disallow_msg('id',
 1633:                                                                     $domdesc,1).
 1634:                                 &Apache::loncommon::user_rule_formats($env{'form.ccdomain'},
 1635:                                     $domdesc,$curr_rules{$env{'form.ccdomain'}}{'id'},'id');
 1636:                         }
 1637:                         $r->print($error.&mt('Invalid ID format').$end.
 1638:                                   $userchkmsg.$rtnlink);
 1639:                         return;
 1640:                     }
 1641:                 }
 1642:             }
 1643:         }
 1644: 	# Call modifyuser
 1645: 	my $result = &Apache::lonnet::modifyuser
 1646: 	    ($env{'form.ccdomain'},$env{'form.ccuname'},$env{'form.cid'},
 1647:              $amode,$genpwd,$env{'form.cfirstname'},
 1648:              $env{'form.cmiddlename'},$env{'form.clastname'},
 1649:              $env{'form.cgeneration'},undef,$desiredhost,
 1650:              $env{'form.cpermanentemail'});
 1651: 	$r->print(&mt('Generating user').': '.$result);
 1652:         $uhome = &Apache::lonnet::homeserver($env{'form.ccuname'},
 1653:                                                $env{'form.ccdomain'});
 1654:         $r->print('<br />'.&mt('Home server').': '.$uhome.' '.
 1655:                   &Apache::lonnet::hostname($uhome));
 1656:     } elsif (($env{'form.login'} ne 'nochange') &&
 1657:              ($env{'form.login'} ne ''        )) {
 1658: 	# Modify user privileges
 1659:         if (! $amode || ! $genpwd) {
 1660: 	    $r->print($error.'Invalid login mode or password'.$end.$rtnlink);    
 1661: 	    return;
 1662: 	}
 1663: 	# Only allow authentification modification if the person has authority
 1664: 	if (&Apache::lonnet::allowed('mau',$env{'form.ccdomain'})) {
 1665: 	    $r->print('Modifying authentication: '.
 1666:                       &Apache::lonnet::modifyuserauth(
 1667: 		       $env{'form.ccdomain'},$env{'form.ccuname'},
 1668:                        $amode,$genpwd));
 1669:             $r->print('<br />'.&mt('Home server').': '.&Apache::lonnet::homeserver
 1670: 		  ($env{'form.ccuname'},$env{'form.ccdomain'}));
 1671: 	} else {
 1672: 	    # Okay, this is a non-fatal error.
 1673: 	    $r->print($error.&mt('You do not have the authority to modify this users authentification information').'.'.$end);    
 1674: 	}
 1675:     }
 1676:     ##
 1677:     my (@userroles,%userupdate,$cnum,$cdom,$namechanged);
 1678:     if ($context eq 'course') {
 1679:         ($cnum,$cdom) = &Apache::lonuserutils::get_course_identity();
 1680:     }
 1681:     if (! $env{'form.makeuser'} ) {
 1682:         # Check for need to change
 1683:         my %userenv = &Apache::lonnet::get
 1684:             ('environment',['firstname','middlename','lastname','generation',
 1685:              'id','permanentemail','portfolioquota','inststatus'],
 1686:               $env{'form.ccdomain'},$env{'form.ccuname'});
 1687:         my ($tmp) = keys(%userenv);
 1688:         if ($tmp =~ /^(con_lost|error)/i) { 
 1689:             %userenv = ();
 1690:         }
 1691:         my $no_forceid_alert;
 1692:         # Check to see if user information can be changed
 1693:         my %domconfig =
 1694:             &Apache::lonnet::get_dom('configuration',['usermodification'],
 1695:                                      $env{'form.ccdomain'});
 1696:         my @statuses = ('active','future');
 1697:         my %roles = &Apache::lonnet::get_my_roles($env{'form.ccuname'},$env{'form.ccdomain'},'userroles',\@statuses,undef,$env{'request.role.domain'});
 1698:         my ($auname,$audom);
 1699:         if ($context eq 'author') {
 1700:             $auname = $env{'user.name'};
 1701:             $audom = $env{'user.domain'};     
 1702:         }
 1703:         foreach my $item (keys(%roles)) {
 1704:             my ($rolenum,$roledom,$role) = split(/:/,$item,-1);
 1705:             if ($context eq 'course') {
 1706:                 if ($cnum ne '' && $cdom ne '') {
 1707:                     if ($rolenum eq $cnum && $roledom eq $cdom) {
 1708:                         if (!grep(/^\Q$role\E$/,@userroles)) {
 1709:                             push(@userroles,$role);
 1710:                         }
 1711:                     }
 1712:                 }
 1713:             } elsif ($context eq 'author') {
 1714:                 if ($rolenum eq $auname && $roledom eq $audom) {
 1715:                     if (!grep(/^\Q$role\E$/,@userroles)) { 
 1716:                         push(@userroles,$role);
 1717:                     }
 1718:                 }
 1719:             }
 1720:         }
 1721:         if ($env{'form.action'} eq 'singlestudent') {
 1722:             if (!grep(/^st$/,@userroles)) {
 1723:                 push(@userroles,'st');
 1724:             }
 1725:         } else {
 1726:             # Check for course or co-author roles being activated or re-enabled
 1727:             if ($context eq 'author' || $context eq 'course') {
 1728:                 foreach my $key (keys(%env)) {
 1729:                     if ($context eq 'author') {
 1730:                         if ($key=~/^form\.act_\Q$audom\E_\Q$auname\E_([^_]+)/) {
 1731:                             if (!grep(/^\Q$1\E$/,@userroles)) {
 1732:                                 push(@userroles,$1);
 1733:                             }
 1734:                         } elsif ($key =~/^form\.ren\:\Q$audom\E\/\Q$auname\E_([^_]+)/) {
 1735:                             if (!grep(/^\Q$1\E$/,@userroles)) {
 1736:                                 push(@userroles,$1);
 1737:                             }
 1738:                         }
 1739:                     } elsif ($context eq 'course') {
 1740:                         if ($key=~/^form\.act_\Q$cdom\E_\Q$cnum\E_([^_]+)/) {
 1741:                             if (!grep(/^\Q$1\E$/,@userroles)) {
 1742:                                 push(@userroles,$1);
 1743:                             }
 1744:                         } elsif ($key =~/^form\.ren\:\Q$cdom\E\/\Q$cnum\E(\/?\w*)_([^_]+)/) {
 1745:                             if (!grep(/^\Q$1\E$/,@userroles)) {
 1746:                                 push(@userroles,$1);
 1747:                             }
 1748:                         }
 1749:                     }
 1750:                 }
 1751:             }
 1752:         }
 1753:         #Check to see if we can change personal data for the user 
 1754:         my (@mod_disallowed,@longroles);
 1755:         foreach my $role (@userroles) {
 1756:             if ($role eq 'cr') {
 1757:                 push(@longroles,'Custom');
 1758:             } else {
 1759:                 push(@longroles,&Apache::lonnet::plaintext($role)); 
 1760:             }
 1761:         }
 1762:         my @userinfo = ('firstname','middlename','lastname','generation','permanentemail','id');
 1763:         my %canmodify = &Apache::lonuserutils::can_modify_userinfo($context,$env{'form.ccdomain'},\@userinfo,\@userroles);
 1764:         foreach my $item (@userinfo) {
 1765:             # Strip leading and trailing whitespace
 1766:             $env{'form.c'.$item} =~ s/(\s+$|^\s+)//g;
 1767:             if (!$canmodify{$item}) {
 1768:                 if (defined($env{'form.c'.$item})) {
 1769:                     if ($env{'form.c'.$item} ne $userenv{$item}) {
 1770:                         push(@mod_disallowed,$item);
 1771:                     }
 1772:                 }
 1773:                 $env{'form.c'.$item} = $userenv{$item};
 1774:             }
 1775:         }
 1776:         # Check to see if we can change the ID/student number
 1777:         my $forceid = $env{'form.forceid'};
 1778:         my $recurseid = $env{'form.recurseid'};
 1779:         my (%alerts,%rulematch,%idinst_results,%curr_rules,%got_rules);
 1780:         my %uidhash = &Apache::lonnet::idrget($env{'form.ccdomain'},
 1781:                                             $env{'form.ccuname'});
 1782:         if (($uidhash{$env{'form.ccuname'}}) && 
 1783:             ($uidhash{$env{'form.ccuname'}}!~/error\:/) && 
 1784:             (!$forceid)) {
 1785:             if ($env{'form.cid'} ne $uidhash{$env{'form.ccuname'}}) {
 1786:                 $env{'form.cid'} = $userenv{'id'};
 1787:                 $no_forceid_alert = &mt('New student/employeeID does not match existing ID for this user.').'<br />'.&mt('Change is not permitted without checking the \'Force ID change\' checkbox on the previous page.').'<br />'."\n";        
 1788:             }
 1789:         }
 1790:         if ($env{'form.cid'} ne $userenv{'id'}) {
 1791:             my $checkhash;
 1792:             my $checks = { 'id' => 1 };
 1793:             $checkhash->{$env{'form.ccuname'}.':'.$env{'form.ccdomain'}} = 
 1794:                    { 'newuser' => $newuser,
 1795:                      'id'  => $env{'form.cid'}, 
 1796:                    };
 1797:             &Apache::loncommon::user_rule_check($checkhash,$checks,
 1798:                 \%alerts,\%rulematch,\%idinst_results,\%curr_rules,\%got_rules);
 1799:             if (ref($alerts{'id'}) eq 'HASH') {
 1800:                 if (ref($alerts{'id'}{$env{'form.ccdomain'}}) eq 'HASH') {
 1801:                    $env{'form.cid'} = $userenv{'id'};
 1802:                 }
 1803:             }
 1804:         }
 1805:         my ($quotachanged,$oldportfolioquota,$newportfolioquota,
 1806:             $inststatus,$oldisdefault,$newisdefault,$olddefquotatext,
 1807:             $newdefquotatext);
 1808:         my ($defquota,$settingstatus) = 
 1809:             &Apache::loncommon::default_quota($env{'form.ccdomain'},$inststatus);
 1810:         my $showquota;
 1811:         if (&Apache::lonnet::allowed('mpq',$env{'form.ccdomain'})) {
 1812:             $showquota = 1;
 1813:         }
 1814:         my %changeHash;
 1815:         $changeHash{'portfolioquota'} = $userenv{'portfolioquota'};
 1816:         if ($userenv{'portfolioquota'} ne '') {
 1817:             $oldportfolioquota = $userenv{'portfolioquota'};
 1818:             if ($env{'form.customquota'} == 1) {
 1819:                 if ($env{'form.portfolioquota'} eq '') {
 1820:                     $newportfolioquota = 0;
 1821:                 } else {
 1822:                     $newportfolioquota = $env{'form.portfolioquota'};
 1823:                     $newportfolioquota =~ s/[^\d\.]//g;
 1824:                 }
 1825:                 if ($newportfolioquota != $oldportfolioquota) {
 1826:                     $quotachanged = &quota_admin($newportfolioquota,\%changeHash);
 1827:                 }
 1828:             } else {
 1829:                 $quotachanged = &quota_admin('',\%changeHash);
 1830:                 $newportfolioquota = $defquota;
 1831:                 $newisdefault = 1; 
 1832:             }
 1833:         } else {
 1834:             $oldisdefault = 1;
 1835:             $oldportfolioquota = $defquota;
 1836:             if ($env{'form.customquota'} == 1) {
 1837:                 if ($env{'form.portfolioquota'} eq '') {
 1838:                     $newportfolioquota = 0;
 1839:                 } else {
 1840:                     $newportfolioquota = $env{'form.portfolioquota'};
 1841:                     $newportfolioquota =~ s/[^\d\.]//g;
 1842:                 }
 1843:                 $quotachanged = &quota_admin($newportfolioquota,\%changeHash);
 1844:             } else {
 1845:                 $newportfolioquota = $defquota;
 1846:                 $newisdefault = 1;
 1847:             }
 1848:         }
 1849:         if ($oldisdefault) {
 1850:             $olddefquotatext = &get_defaultquota_text($settingstatus);
 1851:         }
 1852:         if ($newisdefault) {
 1853:             $newdefquotatext = &get_defaultquota_text($settingstatus);
 1854:         }
 1855:         if ($env{'form.cfirstname'}  ne $userenv{'firstname'}  ||
 1856:             $env{'form.cmiddlename'} ne $userenv{'middlename'} ||
 1857:             $env{'form.clastname'}   ne $userenv{'lastname'}   ||
 1858:             $env{'form.cgeneration'} ne $userenv{'generation'} ||
 1859:             $env{'form.cid'} ne $userenv{'id'}                 ||
 1860:             $env{'form.cpermanentemail'} ne $userenv{'permanentemail'} ) {
 1861:             $namechanged = 1;
 1862:         }
 1863:         if ($namechanged || $quotachanged) {
 1864:             $changeHash{'firstname'}  = $env{'form.cfirstname'};
 1865:             $changeHash{'middlename'} = $env{'form.cmiddlename'};
 1866:             $changeHash{'lastname'}   = $env{'form.clastname'};
 1867:             $changeHash{'generation'} = $env{'form.cgeneration'};
 1868:             $changeHash{'id'}         = $env{'form.cid'};
 1869:             $changeHash{'permanentemail'} = $env{'form.cpermanentemail'};
 1870:             my ($quotachgresult,$namechgresult);
 1871:             if ($quotachanged) {
 1872:                 $quotachgresult = 
 1873:                     &Apache::lonnet::put('environment',\%changeHash,
 1874:                                   $env{'form.ccdomain'},$env{'form.ccuname'});
 1875:             }
 1876:             if ($namechanged) {
 1877:             # Make the change
 1878:                 $namechgresult =
 1879:                     &Apache::lonnet::modifyuser($env{'form.ccdomain'},
 1880:                         $env{'form.ccuname'},$changeHash{'id'},undef,undef,
 1881:                         $changeHash{'firstname'},$changeHash{'middlename'},
 1882:                         $changeHash{'lastname'},$changeHash{'generation'},
 1883:                         $changeHash{'id'},undef,$changeHash{'permanentemail'});
 1884:                 %userupdate = (
 1885:                                lastname   => $env{'form.clastname'},
 1886:                                middlename => $env{'form.cmiddlename'},
 1887:                                firstname  => $env{'form.cfirstname'},
 1888:                                generation => $env{'form.cgeneration'},
 1889:                                id         => $env{'form.cid'},
 1890:                              );
 1891:             }
 1892:             if (($namechanged && $namechgresult eq 'ok') || 
 1893:                 ($quotachanged && $quotachgresult eq 'ok')) {
 1894:             # Tell the user we changed the name
 1895: 		my %lt=&Apache::lonlocal::texthash(
 1896:                              'uic'  => "User Information Changed",             
 1897:                              'frst' => "first",
 1898:                              'mddl' => "middle",
 1899:                              'lst'  => "last",
 1900: 			     'gen'  => "generation",
 1901:                              'id'   => "ID/Student number",
 1902:                              'mail' => "permanent e-mail",
 1903:                              'disk' => "disk space allocated to portfolio files",
 1904:                              'prvs' => "Previous",
 1905:                              'chto' => "Changed To"
 1906: 						   );
 1907:                 $r->print('<h4>'.$lt{'uic'}.'</h4>'.
 1908:                           &Apache::loncommon::start_data_table().
 1909:                           &Apache::loncommon::start_data_table_header_row());
 1910:                 $r->print(<<"END");
 1911:     <th>&nbsp;</th>
 1912:     <th>$lt{'frst'}</th>
 1913:     <th>$lt{'mddl'}</th>
 1914:     <th>$lt{'lst'}</th>
 1915:     <th>$lt{'gen'}</th>
 1916:     <th>$lt{'id'}</th>
 1917:     <th>$lt{'mail'}</th>
 1918: END
 1919:                 if ($showquota) {
 1920:                     $r->print("
 1921:     <th>$lt{'disk'}</th>\n");
 1922:                 }
 1923:                 $r->print(&Apache::loncommon::end_data_table_header_row().
 1924:                           &Apache::loncommon::start_data_table_row());
 1925:                 $r->print(<<"END");
 1926:     <td><b>$lt{'prvs'}</b></td>
 1927:     <td>$userenv{'firstname'}  </td>
 1928:     <td>$userenv{'middlename'} </td>
 1929:     <td>$userenv{'lastname'}   </td>
 1930:     <td>$userenv{'generation'} </td>
 1931:     <td>$userenv{'id'}</td>
 1932:     <td>$userenv{'permanentemail'} </td>
 1933: END
 1934:                 if ($showquota) {
 1935:                     $r->print("
 1936:     <td>$oldportfolioquota Mb $olddefquotatext </td>\n");
 1937:                 }
 1938:                 $r->print(&Apache::loncommon::end_data_table_row().
 1939:                           &Apache::loncommon::start_data_table_row());
 1940:                 $r->print(<<"END");
 1941:     <td><b>$lt{'chto'}</b></td>
 1942:     <td>$env{'form.cfirstname'}  </td>
 1943:     <td>$env{'form.cmiddlename'} </td>
 1944:     <td>$env{'form.clastname'}   </td>
 1945:     <td>$env{'form.cgeneration'} </td>
 1946:     <td>$env{'form.cid'} </td>
 1947:     <td>$env{'form.cpermanentemail'} </td>
 1948: END
 1949:                 if ($showquota) {
 1950:                     $r->print("
 1951:     <td>$newportfolioquota Mb $newdefquotatext </td>\n");
 1952:                 }
 1953:                 $r->print(&Apache::loncommon::end_data_table_row().
 1954:                           &Apache::loncommon::end_data_table().'<br />');
 1955:                 if ($env{'form.cid'} ne $userenv{'id'}) {
 1956:                     &Apache::lonnet::idput($env{'form.ccdomain'},
 1957:                          ($env{'form.ccuname'} => $env{'form.cid'}));
 1958:                     if (($recurseid) &&
 1959:                         (&Apache::lonnet::allowed('mau',$env{'form.ccdomain'}))) {
 1960:                         my $idresult = 
 1961:                             &Apache::lonuserutils::propagate_id_change(
 1962:                                 $env{'form.ccuname'},$env{'form.ccdomain'},
 1963:                                 \%userupdate);
 1964:                         $r->print('<br />'.$idresult.'<br />');
 1965:                     }
 1966:                 }
 1967:                 if (($env{'form.ccdomain'} eq $env{'user.domain'}) && 
 1968:                     ($env{'form.ccuname'} eq $env{'user.name'})) {
 1969:                     my %newenvhash;
 1970:                     foreach my $key (keys(%changeHash)) {
 1971:                         $newenvhash{'environment.'.$key} = $changeHash{$key};
 1972:                     }
 1973:                     &Apache::lonnet::appenv(%newenvhash);
 1974:                 }
 1975:             } else { # error occurred
 1976:                 $r->print('<span class="LC_error">'.&mt('Unable to successfully change environment for').' '.
 1977:                       $env{'form.ccuname'}.' '.&mt('in domain').' '.
 1978:                       $env{'form.ccdomain'}.'</span><br />');
 1979:             }
 1980:         }  else { # End of if ($env ... ) logic
 1981:             # They did not want to change the users name or quota but we can
 1982:             # still tell them what the name and quota are 
 1983: 	    my %lt=&Apache::lonlocal::texthash(
 1984:                            'id'   => "ID/Student number",
 1985:                            'mail' => "Permanent e-mail",
 1986:                            'disk' => "Disk space allocated to user's portfolio files",
 1987: 					       );
 1988:             $r->print(<<"END");
 1989: <h4>$userenv{'firstname'} $userenv{'middlename'} $userenv{'lastname'} $userenv{'generation'}
 1990: END
 1991:             if ($userenv{'permanentemail'} ne '') {
 1992:                 $r->print('<br />['.$lt{'mail'}.': '.
 1993:                           $userenv{'permanentemail'}.']');
 1994:             }
 1995:             if ($showquota) {
 1996:                 $r->print('<br />['.$lt{'disk'}.': '.$oldportfolioquota.' Mb '. 
 1997:                           $olddefquotatext.']');
 1998:             }
 1999:             $r->print('</h4>');
 2000:         }
 2001:         if (@mod_disallowed) {
 2002:             my ($rolestr,$contextname);
 2003:             if (@longroles > 0) {
 2004:                 $rolestr = join(', ',@longroles);
 2005:             } else {
 2006:                 $rolestr = &mt('No roles');
 2007:             }
 2008:             if ($context eq 'course') {
 2009:                 $contextname = &mt('course');
 2010:             } elsif ($context eq 'author') {
 2011:                 $contextname = &mt('co-author');
 2012:             }
 2013:             $r->print(&mt('The following fields were not updated: ').'<ul>');
 2014:             my %fieldtitles = &Apache::loncommon::personal_data_fieldtitles();
 2015:             foreach my $field (@mod_disallowed) {
 2016:                 $r->print('<li>'.$fieldtitles{$field}.'</li>'."\n"); 
 2017:             }
 2018:             $r->print('</ul>');
 2019:             if (@mod_disallowed == 1) {
 2020:                 $r->print(&mt("You do not have the authority to change this field given the user's current set of active/future [_1] roles:",$contextname));
 2021:             } else {
 2022:                 $r->print(&mt("You do not have the authority to change these fields given the user's current set of active/future [_1] roles:",$contextname));
 2023:             }
 2024:             $r->print('<span class="LC_cusr_emph">'.$rolestr.'</span><br />'.
 2025:                       &mt('Contact your <a href="[_1]">helpdesk</a> for more information.',"javascript:helpMenu('display')").'<br />');
 2026:         }
 2027:         $r->print($no_forceid_alert.
 2028:                   &Apache::lonuserutils::print_namespacing_alerts($env{'form.ccdomain'},\%alerts, \%curr_rules));
 2029:     }
 2030:     if ($env{'form.action'} eq 'singlestudent') {
 2031:         &enroll_single_student($r,$uhome,$amode,$genpwd,$now,$newuser);
 2032:     } else {
 2033:         my @rolechanges = &update_roles($r);
 2034:         if ($namechanged) {
 2035:             if ($context eq 'course') {
 2036:                 if (@userroles > 0) {
 2037:                     if ((@rolechanges == 0) || 
 2038:                         (!(grep(/^st$/,@rolechanges)))) {
 2039:                         if (grep(/^st$/,@userroles)) {
 2040:                             my $classlistupdated =
 2041:                                 &Apache::lonuserutils::update_classlist($cdom,
 2042:                                               $cnum,$env{'form.ccdomain'},
 2043:                                        $env{'form.ccuname'},\%userupdate);
 2044:                         }
 2045:                     }
 2046:                 }
 2047:             }
 2048:         }
 2049:     }
 2050:     $r->print(&Apache::loncommon::end_page());
 2051: }
 2052: 
 2053: sub update_roles {
 2054:     my ($r) = @_;
 2055:     my $now=time;
 2056:     my @rolechanges;
 2057:     my %disallowed;
 2058:     $r->print('<h3>'.&mt('Modifying Roles').'</h3>');
 2059:     foreach my $key (keys (%env)) {
 2060: 	next if (! $env{$key});
 2061:         next if ($key eq 'form.action');
 2062: 	# Revoke roles
 2063: 	if ($key=~/^form\.rev/) {
 2064: 	    if ($key=~/^form\.rev\:([^\_]+)\_([^\_\.]+)$/) {
 2065: # Revoke standard role
 2066: 		my ($scope,$role) = ($1,$2);
 2067: 		my $result =
 2068: 		    &Apache::lonnet::revokerole($env{'form.ccdomain'},
 2069: 						$env{'form.ccuname'},
 2070: 						$scope,$role);
 2071: 	        $r->print(&mt('Revoking [_1] in [_2]: [_3]',
 2072: 			      $role,$scope,'<b>'.$result.'</b>').'<br />');
 2073: 		if ($role eq 'st') {
 2074: 		    my $result = 
 2075:                         &Apache::lonuserutils::classlist_drop($scope,
 2076:                             $env{'form.ccuname'},$env{'form.ccdomain'},
 2077: 			    $now);
 2078: 		    $r->print($result);
 2079: 		}
 2080:                 if (!grep(/^\Q$role\E$/,@rolechanges)) {
 2081:                     push(@rolechanges,$role);
 2082:                 }
 2083: 	    }
 2084: 	    if ($key=~m{^form\.rev\:([^_]+)_cr\.cr/($match_domain)/($match_username)/(\w+)$}s) {
 2085: # Revoke custom role
 2086: 		$r->print(&mt('Revoking custom role:').
 2087:                       ' '.$4.' by '.$3.':'.$2.' in '.$1.': <b>'.
 2088:                       &Apache::lonnet::revokecustomrole($env{'form.ccdomain'},
 2089: 				  $env{'form.ccuname'},$1,$2,$3,$4).
 2090: 		'</b><br />');
 2091:                 if (!grep(/^cr$/,@rolechanges)) {
 2092:                     push(@rolechanges,'cr');
 2093:                 }
 2094: 	    }
 2095: 	} elsif ($key=~/^form\.del/) {
 2096: 	    if ($key=~/^form\.del\:([^\_]+)\_([^\_\.]+)$/) {
 2097: # Delete standard role
 2098: 		my ($scope,$role) = ($1,$2);
 2099: 		my $result =
 2100: 		    &Apache::lonnet::assignrole($env{'form.ccdomain'},
 2101: 						$env{'form.ccuname'},
 2102: 						$scope,$role,$now,0,1);
 2103: 	        $r->print(&mt('Deleting [_1] in [_2]: [_3]',$role,$scope,
 2104: 			      '<b>'.$result.'</b>').'<br />');
 2105: 		if ($role eq 'st') {
 2106: 		    my $result = 
 2107:                         &Apache::lonuserutils::classlist_drop($scope,
 2108:                             $env{'form.ccuname'},$env{'form.ccdomain'},
 2109: 			    $now);
 2110: 		    $r->print($result);
 2111: 		}
 2112:                 if (!grep(/^\Q$role\E$/,@rolechanges)) {
 2113:                     push(@rolechanges,$role);
 2114:                 }
 2115:             }
 2116: 	    if ($key=~m{^form\.del\:([^_]+)_cr\.cr/($match_domain)/($match_username)/(\w+)$}) {
 2117:                 my ($url,$rdom,$rnam,$rolename) = ($1,$2,$3,$4);
 2118: # Delete custom role
 2119:                 $r->print(&mt('Deleting custom role [_1] by [_2]:[_3] in [_4]',
 2120:                       $rolename,$rnam,$rdom,$url).': <b>'.
 2121:                       &Apache::lonnet::assigncustomrole($env{'form.ccdomain'},
 2122:                          $env{'form.ccuname'},$url,$rdom,$rnam,$rolename,$now,
 2123:                          0,1).'</b><br />');
 2124:                 if (!grep(/^cr$/,@rolechanges)) {
 2125:                     push(@rolechanges,'cr');
 2126:                 }
 2127:             }
 2128: 	} elsif ($key=~/^form\.ren/) {
 2129:             my $udom = $env{'form.ccdomain'};
 2130:             my $uname = $env{'form.ccuname'};
 2131: # Re-enable standard role
 2132: 	    if ($key=~/^form\.ren\:([^\_]+)\_([^\_\.]+)$/) {
 2133:                 my $url = $1;
 2134:                 my $role = $2;
 2135:                 my $logmsg;
 2136:                 my $output;
 2137:                 if ($role eq 'st') {
 2138:                     if ($url =~ m-^/($match_domain)/($match_courseid)/?(\w*)$-) {
 2139:                         my $result = &Apache::loncommon::commit_studentrole(\$logmsg,$udom,$uname,$url,$role,$now,0,$1,$2,$3);
 2140:                         if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course') || ($result eq 'refused')) {
 2141:                             if ($result eq 'refused' && $logmsg) {
 2142:                                 $output = $logmsg;
 2143:                             } else { 
 2144:                                 $output = "Error: $result\n";
 2145:                             }
 2146:                         } else {
 2147:                             $output = &mt('Assigning').' '.$role.' in '.$url.
 2148:                                       &mt('starting').' '.localtime($now).
 2149:                                       ': <br />'.$logmsg.'<br />'.
 2150:                                       &mt('Add to classlist').': <b>ok</b><br />';
 2151:                         }
 2152:                     }
 2153:                 } else {
 2154: 		    my $result=&Apache::lonnet::assignrole($env{'form.ccdomain'},
 2155:                                $env{'form.ccuname'},$url,$role,0,$now);
 2156: 		    $output = &mt('Re-enabling [_1] in [_2]: <b>[_3]</b>',
 2157: 			      $role,$url,$result).'<br />';
 2158: 		}
 2159:                 $r->print($output);
 2160:                 if (!grep(/^\Q$role\E$/,@rolechanges)) {
 2161:                     push(@rolechanges,$role);
 2162:                 }
 2163: 	    }
 2164: # Re-enable custom role
 2165: 	    if ($key=~m{^form\.ren\:([^_]+)_cr\.cr/($match_domain)/($match_username)/(\w+)$}) {
 2166:                 my ($url,$rdom,$rnam,$rolename) = ($1,$2,$3,$4);
 2167:                 my $result = &Apache::lonnet::assigncustomrole(
 2168:                                $env{'form.ccdomain'}, $env{'form.ccuname'},
 2169:                                $url,$rdom,$rnam,$rolename,0,$now);
 2170:                 $r->print(&mt('Re-enabling custom role [_1] by [_2]@[_3] in [_4] : <b>[_5]</b>',
 2171:                           $rolename,$rnam,$rdom,$url,$result).'<br />');
 2172:                 if (!grep(/^cr$/,@rolechanges)) {
 2173:                     push(@rolechanges,'cr');
 2174:                 }
 2175:             }
 2176: 	} elsif ($key=~/^form\.act/) {
 2177:             my $udom = $env{'form.ccdomain'};
 2178:             my $uname = $env{'form.ccuname'};
 2179: 	    if ($key=~/^form\.act\_($match_domain)\_($match_courseid)\_cr_cr_($match_domain)_($match_username)_([^\_]+)$/) {
 2180:                 # Activate a custom role
 2181: 		my ($one,$two,$three,$four,$five)=($1,$2,$3,$4,$5);
 2182: 		my $url='/'.$one.'/'.$two;
 2183: 		my $full=$one.'_'.$two.'_cr_cr_'.$three.'_'.$four.'_'.$five;
 2184: 
 2185:                 my $start = ( $env{'form.start_'.$full} ?
 2186:                               $env{'form.start_'.$full} :
 2187:                               $now );
 2188:                 my $end   = ( $env{'form.end_'.$full} ?
 2189:                               $env{'form.end_'.$full} :
 2190:                               0 );
 2191:                                                                                      
 2192:                 # split multiple sections
 2193:                 my %sections = ();
 2194:                 my $num_sections = &build_roles($env{'form.sec_'.$full},\%sections,$5);
 2195:                 if ($num_sections == 0) {
 2196:                     $r->print(&Apache::loncommon::commit_customrole($udom,$uname,$url,$three,$four,$five,$start,$end));
 2197:                 } else {
 2198: 		    my %curr_groups =
 2199: 			&Apache::longroup::coursegroups($one,$two);
 2200:                     foreach my $sec (sort {$a cmp $b} keys %sections) {
 2201:                         if (($sec eq 'none') || ($sec eq 'all') || 
 2202:                             exists($curr_groups{$sec})) {
 2203:                             $disallowed{$sec} = $url;
 2204:                             next;
 2205:                         }
 2206:                         my $securl = $url.'/'.$sec;
 2207: 		        $r->print(&Apache::loncommon::commit_customrole($udom,$uname,$securl,$three,$four,$five,$start,$end));
 2208:                     }
 2209:                 }
 2210:                 if (!grep(/^cr$/,@rolechanges)) {
 2211:                     push(@rolechanges,'cr');
 2212:                 }
 2213: 	    } elsif ($key=~/^form\.act\_($match_domain)\_($match_name)\_([^\_]+)$/) {
 2214: 		# Activate roles for sections with 3 id numbers
 2215: 		# set start, end times, and the url for the class
 2216: 		my ($one,$two,$three)=($1,$2,$3);
 2217: 		my $start = ( $env{'form.start_'.$one.'_'.$two.'_'.$three} ? 
 2218: 			      $env{'form.start_'.$one.'_'.$two.'_'.$three} : 
 2219: 			      $now );
 2220: 		my $end   = ( $env{'form.end_'.$one.'_'.$two.'_'.$three} ? 
 2221: 			      $env{'form.end_'.$one.'_'.$two.'_'.$three} :
 2222: 			      0 );
 2223: 		my $url='/'.$one.'/'.$two;
 2224:                 my $type = 'three';
 2225:                 # split multiple sections
 2226:                 my %sections = ();
 2227:                 my $num_sections = &build_roles($env{'form.sec_'.$one.'_'.$two.'_'.$three},\%sections,$three);
 2228:                 if ($num_sections == 0) {
 2229:                     $r->print(&Apache::loncommon::commit_standardrole($udom,$uname,$url,$three,$start,$end,$one,$two,''));
 2230:                 } else {
 2231:                     my %curr_groups = 
 2232: 			&Apache::longroup::coursegroups($one,$two);
 2233:                     my $emptysec = 0;
 2234:                     foreach my $sec (sort {$a cmp $b} keys %sections) {
 2235:                         $sec =~ s/\W//g;
 2236:                         if ($sec ne '') {
 2237:                             if (($sec eq 'none') || ($sec eq 'all') || 
 2238:                                 exists($curr_groups{$sec})) {
 2239:                                 $disallowed{$sec} = $url;
 2240:                                 next;
 2241:                             }
 2242:                             my $securl = $url.'/'.$sec;
 2243:                             $r->print(&Apache::loncommon::commit_standardrole($udom,$uname,$securl,$three,$start,$end,$one,$two,$sec));
 2244:                         } else {
 2245:                             $emptysec = 1;
 2246:                         }
 2247:                     }
 2248:                     if ($emptysec) {
 2249:                         $r->print(&Apache::loncommon::commit_standardrole($udom,$uname,$url,$three,$start,$end,$one,$two,''));
 2250:                     }
 2251:                 }
 2252:                 if (!grep(/^\Q$three\E$/,@rolechanges)) {
 2253:                     push(@rolechanges,$three);
 2254:                 }
 2255: 	    } elsif ($key=~/^form\.act\_([^\_]+)\_([^\_]+)$/) {
 2256: 		# Activate roles for sections with two id numbers
 2257: 		# set start, end times, and the url for the class
 2258: 		my $start = ( $env{'form.start_'.$1.'_'.$2} ? 
 2259: 			      $env{'form.start_'.$1.'_'.$2} : 
 2260: 			      $now );
 2261: 		my $end   = ( $env{'form.end_'.$1.'_'.$2} ? 
 2262: 			      $env{'form.end_'.$1.'_'.$2} :
 2263: 			      0 );
 2264:                 my $one = $1;
 2265:                 my $two = $2;
 2266: 		my $url='/'.$one.'/';
 2267:                 # split multiple sections
 2268:                 my %sections = ();
 2269:                 my $num_sections = &build_roles($env{'form.sec_'.$one.'_'.$two},\%sections,$two);
 2270:                 if ($num_sections == 0) {
 2271:                     $r->print(&Apache::loncommon::commit_standardrole($udom,$uname,$url,$two,$start,$end,$one,undef,''));
 2272:                 } else {
 2273:                     my $emptysec = 0;
 2274:                     foreach my $sec (sort {$a cmp $b} keys %sections) {
 2275:                         if ($sec ne '') {
 2276:                             my $securl = $url.'/'.$sec;
 2277:                             $r->print(&Apache::loncommon::commit_standardrole($udom,$uname,$securl,$two,$start,$end,$one,undef,$sec));
 2278:                         } else {
 2279:                             $emptysec = 1;
 2280:                         }
 2281:                     }
 2282:                     if ($emptysec) {
 2283:                         $r->print(&Apache::loncommon::commit_standardrole($udom,$uname,$url,$two,$start,$end,$one,undef,''));
 2284:                     }
 2285:                 }
 2286:                 if (!grep(/^\Q$two\E$/,@rolechanges)) {
 2287:                     push(@rolechanges,$two);
 2288:                 }
 2289: 	    } else {
 2290: 		$r->print('<p><span class="LC_error">'.&mt('ERROR').': '.&mt('Unknown command').' <tt>'.$key.'</tt></span></p><br />');
 2291:             }
 2292:             foreach my $key (sort(keys(%disallowed))) {
 2293:                 if (($key eq 'none') || ($key eq 'all')) {  
 2294:                     $r->print('<p>'.&mt('[_1] may not be used as the name for a section, as it is a reserved word.',$key));
 2295:                 } else {
 2296:                     $r->print('<p>'.&mt('[_1] may not be used as the name for a section, as it is the name of a course group.',$key));
 2297:                 }
 2298:                 $r->print(' '.&mt('Please <a href="javascript:history.go(-1)">go back</a> and choose a different section name.').'</p><br />');
 2299:             }
 2300: 	}
 2301:     } # End of foreach (keys(%env))
 2302: # Flush the course logs so reverse user roles immediately updated
 2303:     &Apache::lonnet::flushcourselogs();
 2304:     if (@rolechanges == 0) {
 2305:         $r->print(&mt('No roles to modify'));
 2306:     }
 2307:     return @rolechanges;
 2308: }
 2309: 
 2310: sub enroll_single_student {
 2311:     my ($r,$uhome,$amode,$genpwd,$now,$newuser) = @_;
 2312:     $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
 2313: 
 2314:     # Remove non alphanumeric values from section
 2315:     $env{'form.sections'}=~s/\W//g;
 2316: 
 2317:     # Clean out any old student roles the user has in this class.
 2318:     &Apache::lonuserutils::modifystudent($env{'form.ccdomain'},
 2319:          $env{'form.ccuname'},$env{'request.course.id'},undef,$uhome);
 2320:     my ($startdate,$enddate) = &Apache::lonuserutils::get_dates_from_form();
 2321:     my $enroll_result =
 2322:         &Apache::lonnet::modify_student_enrollment($env{'form.ccdomain'},
 2323:             $env{'form.ccuname'},$env{'form.cid'},$env{'form.cfirstname'},
 2324:             $env{'form.cmiddlename'},$env{'form.clastname'},
 2325:             $env{'form.generation'},$env{'form.sections'},$enddate,
 2326:             $startdate,'manual',undef,$env{'request.course.id'});
 2327:     if ($enroll_result =~ /^ok/) {
 2328:         $r->print(&mt('<b>[_1]</b> enrolled',$env{'form.ccuname'}.':'.$env{'form.ccdomain'}));
 2329:         if ($env{'form.sections'} ne '') {
 2330:             $r->print(' '.&mt('in section [_1]',$env{'form.sections'}));
 2331:         }
 2332:         my ($showstart,$showend);
 2333:         if ($startdate <= $now) {
 2334:             $showstart = &mt('Access starts immediately');
 2335:         } else {
 2336:             $showstart = &mt('Access starts: ').&Apache::lonlocal::locallocaltime($startdate);
 2337:         }
 2338:         if ($enddate == 0) {
 2339:             $showend = &mt('ends: no ending date');
 2340:         } else {
 2341:             $showend = &mt('ends: ').&Apache::lonlocal::locallocaltime($enddate);
 2342:         }
 2343:         $r->print('.<br />'.$showstart.'; '.$showend);
 2344:         if ($startdate <= $now && !$newuser) {
 2345:             $r->print("<p> ".&mt('If the student is currently logged-in to LON-CAPA, the new role will be available when the student next logs in.')."</p>");
 2346:         }
 2347:     } else {
 2348:         $r->print(&mt('unable to enroll').": ".$enroll_result);
 2349:     }
 2350:     return;
 2351: }
 2352: 
 2353: sub get_defaultquota_text {
 2354:     my ($settingstatus) = @_;
 2355:     my $defquotatext; 
 2356:     if ($settingstatus eq '') {
 2357:         $defquotatext = &mt('(default)');
 2358:     } else {
 2359:         my ($usertypes,$order) =
 2360:             &Apache::lonnet::retrieve_inst_usertypes($env{'form.ccdomain'});
 2361:         if ($usertypes->{$settingstatus} eq '') {
 2362:             $defquotatext = &mt('(default)');
 2363:         } else {
 2364:             $defquotatext = &mt('(default for [_1])',$usertypes->{$settingstatus});
 2365:         }
 2366:     }
 2367:     return $defquotatext;
 2368: }
 2369: 
 2370: sub update_result_form {
 2371:     my ($uhome) = @_;
 2372:     my $outcome = 
 2373:     '<form name="userupdate" method="post" />'."\n";
 2374:     foreach my $item ('srchby','srchin','srchtype','srchterm','srchdomain','ccuname','ccdomain') {
 2375:         $outcome .= '<input type="hidden" name="'.$item.'" value="'.$env{'form.'.$item}.'" />'."\n";
 2376:     }
 2377:     if ($env{'form.origname'} ne '') {
 2378:         $outcome .= '<input type="hidden" name="origname" value="'.$env{'form.origname'}.'" />'."\n";
 2379:     }
 2380:     foreach my $item ('sortby','seluname','seludom') {
 2381:         if (exists($env{'form.'.$item})) {
 2382:             $outcome .= '<input type="hidden" name="'.$item.'" value="'.$env{'form.'.$item}.'" />'."\n";
 2383:         }
 2384:     }
 2385:     if ($uhome eq 'no_host') {
 2386:         $outcome .= '<input type="hidden" name="forcenewuser" value="1" />'."\n";
 2387:     }
 2388:     $outcome .= '<input type="hidden" name="phase" value="" />'."\n".
 2389:                 '<input type ="hidden" name="currstate" value="" />'."\n".
 2390:                 '<input type ="hidden" name="action" value="'.$env{'form.action'}.'" />'."\n".
 2391:                 '</form>';
 2392:     return $outcome;
 2393: }
 2394: 
 2395: sub quota_admin {
 2396:     my ($setquota,$changeHash) = @_;
 2397:     my $quotachanged;
 2398:     if (&Apache::lonnet::allowed('mpq',$env{'form.ccdomain'})) {
 2399:         # Current user has quota modification privileges
 2400:         $quotachanged = 1;
 2401:         $changeHash->{'portfolioquota'} = $setquota;
 2402:     }
 2403:     return $quotachanged;
 2404: }
 2405: 
 2406: sub build_roles {
 2407:     my ($sectionstr,$sections,$role) = @_;
 2408:     my $num_sections = 0;
 2409:     if ($sectionstr=~ /,/) {
 2410:         my @secnums = split/,/,$sectionstr;
 2411:         if ($role eq 'st') {
 2412:             $secnums[0] =~ s/\W//g;
 2413:             $$sections{$secnums[0]} = 1;
 2414:             $num_sections = 1;
 2415:         } else {
 2416:             foreach my $sec (@secnums) {
 2417:                 $sec =~ ~s/\W//g;
 2418:                 if (!($sec eq "")) {
 2419:                     if (exists($$sections{$sec})) {
 2420:                         $$sections{$sec} ++;
 2421:                     } else {
 2422:                         $$sections{$sec} = 1;
 2423:                         $num_sections ++;
 2424:                     }
 2425:                 }
 2426:             }
 2427:         }
 2428:     } else {
 2429:         $sectionstr=~s/\W//g;
 2430:         unless ($sectionstr eq '') {
 2431:             $$sections{$sectionstr} = 1;
 2432:             $num_sections ++;
 2433:         }
 2434:     }
 2435: 
 2436:     return $num_sections;
 2437: }
 2438: 
 2439: # ========================================================== Custom Role Editor
 2440: 
 2441: sub custom_role_editor {
 2442:     my ($r) = @_;
 2443:     my $rolename=$env{'form.rolename'};
 2444: 
 2445:     if ($rolename eq 'make new role') {
 2446: 	$rolename=$env{'form.newrolename'};
 2447:     }
 2448: 
 2449:     $rolename=~s/[^A-Za-z0-9]//gs;
 2450: 
 2451:     if (!$rolename || $env{'form.phase'} eq 'pickrole') {
 2452: 	&print_username_entry_form($r);
 2453:         return;
 2454:     }
 2455: # ------------------------------------------------------- What can be assigned?
 2456:     my %full=();
 2457:     my %courselevel=();
 2458:     my %courselevelcurrent=();
 2459:     my $syspriv='';
 2460:     my $dompriv='';
 2461:     my $coursepriv='';
 2462:     my $body_top;
 2463:     my ($disp_dummy,$disp_roles) = &Apache::lonnet::get('roles',["st"]);
 2464:     my ($rdummy,$roledef)=
 2465: 			 &Apache::lonnet::get('roles',["rolesdef_$rolename"]);
 2466: # ------------------------------------------------------- Does this role exist?
 2467:     $body_top .= '<h2>';
 2468:     if (($rdummy ne 'con_lost') && ($roledef ne '')) {
 2469: 	$body_top .= &mt('Existing Role').' "';
 2470: # ------------------------------------------------- Get current role privileges
 2471: 	($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef);
 2472:     } else {
 2473: 	$body_top .= &mt('New Role').' "';
 2474: 	$roledef='';
 2475:     }
 2476:     $body_top .= $rolename.'"</h2>';
 2477:     foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:c'})) {
 2478: 	my ($priv,$restrict)=split(/\&/,$item);
 2479:         if (!$restrict) { $restrict='F'; }
 2480:         $courselevel{$priv}=$restrict;
 2481:         if ($coursepriv=~/\:$priv/) {
 2482: 	    $courselevelcurrent{$priv}=1;
 2483: 	}
 2484: 	$full{$priv}=1;
 2485:     }
 2486:     my %domainlevel=();
 2487:     my %domainlevelcurrent=();
 2488:     foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:d'})) {
 2489: 	my ($priv,$restrict)=split(/\&/,$item);
 2490:         if (!$restrict) { $restrict='F'; }
 2491:         $domainlevel{$priv}=$restrict;
 2492:         if ($dompriv=~/\:$priv/) {
 2493: 	    $domainlevelcurrent{$priv}=1;
 2494: 	}
 2495: 	$full{$priv}=1;
 2496:     }
 2497:     my %systemlevel=();
 2498:     my %systemlevelcurrent=();
 2499:     foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:s'})) {
 2500: 	my ($priv,$restrict)=split(/\&/,$item);
 2501:         if (!$restrict) { $restrict='F'; }
 2502:         $systemlevel{$priv}=$restrict;
 2503:         if ($syspriv=~/\:$priv/) {
 2504: 	    $systemlevelcurrent{$priv}=1;
 2505: 	}
 2506: 	$full{$priv}=1;
 2507:     }
 2508:     my ($jsback,$elements) = &crumb_utilities();
 2509:     my $button_code = "\n";
 2510:     my $head_script = "\n";
 2511:     $head_script .= '<script type="text/javascript">'."\n";
 2512:     my @template_roles = ("cc","in","ta","ep","st");
 2513:     foreach my $role (@template_roles) {
 2514:         $head_script .= &make_script_template($role);
 2515:         $button_code .= &make_button_code($role);
 2516:     }
 2517:     $head_script .= "\n".$jsback."\n".'</script>'."\n";
 2518:     $r->print(&Apache::loncommon::start_page('Custom Role Editor',$head_script));
 2519:    &Apache::lonhtmlcommon::add_breadcrumb
 2520:      ({href=>"javascript:backPage(document.form1,'pickrole','')",
 2521:        text=>"Pick custom role",
 2522:        faq=>282,bug=>'Instructor Interface',},
 2523:       {href=>"javascript:backPage(document.form1,'','')",
 2524:          text=>"Edit custom role",
 2525:          faq=>282,bug=>'Instructor Interface',});
 2526:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('User Management',
 2527:                                                   'Course_Editing_Custom_Roles'));
 2528: 
 2529:     $r->print($body_top);
 2530:     my %lt=&Apache::lonlocal::texthash(
 2531: 		    'prv'  => "Privilege",
 2532: 		    'crl'  => "Course Level",
 2533:                     'dml'  => "Domain Level",
 2534:                     'ssl'  => "System Level");
 2535:     $r->print('Select a Template<br />');
 2536:     $r->print('<form action="">');
 2537:     $r->print($button_code);
 2538:     $r->print('</form>');
 2539:     $r->print(<<ENDCCF);
 2540: <form name="form1" method="post">
 2541: <input type="hidden" name="phase" value="set_custom_roles" />
 2542: <input type="hidden" name="rolename" value="$rolename" />
 2543: ENDCCF
 2544:     $r->print(&Apache::loncommon::start_data_table().
 2545:               &Apache::loncommon::start_data_table_header_row(). 
 2546: '<th>'.$lt{'prv'}.'</th><th>'.$lt{'crl'}.'</th><th>'.$lt{'dml'}.
 2547: '</th><th>'.$lt{'ssl'}.'</th>'.
 2548:               &Apache::loncommon::end_data_table_header_row());
 2549:     foreach my $priv (sort keys %full) {
 2550:         my $privtext = &Apache::lonnet::plaintext($priv);
 2551:         $r->print(&Apache::loncommon::start_data_table_row().
 2552: 	          '<td>'.$privtext.'</td><td>'.
 2553:     ($courselevel{$priv}?'<input type="checkbox" name="'.$priv.'_c" '.
 2554:     ($courselevelcurrent{$priv}?'checked="1"':'').' />':'&nbsp;').
 2555:     '</td><td>'.
 2556:     ($domainlevel{$priv}?'<input type="checkbox" name="'.$priv.'_d" '.
 2557:     ($domainlevelcurrent{$priv}?'checked="1"':'').' />':'&nbsp;').
 2558:     '</td><td>'.
 2559:     ($systemlevel{$priv}?'<input type="checkbox" name="'.$priv.'_s" '.
 2560:     ($systemlevelcurrent{$priv}?'checked="1"':'').' />':'&nbsp;').
 2561:     '</td>'.
 2562:              &Apache::loncommon::end_data_table_row());
 2563:     }
 2564:     $r->print(&Apache::loncommon::end_data_table().
 2565:    '<input type="hidden" name="action" value="'.$env{'form.action'}.'" />'.
 2566:    '<input type="hidden" name="startrolename" value="'.$env{'form.rolename'}.
 2567:    '" />'."\n".'<input type="hidden" name="currstate" value="" />'."\n".   
 2568:    '<input type="reset" value="'.&mt("Reset").'" />'."\n".
 2569:    '<input type="submit" value="'.&mt('Define Role').'" /></form>'.
 2570: 	      &Apache::loncommon::end_page());
 2571: }
 2572: # --------------------------------------------------------
 2573: sub make_script_template {
 2574:     my ($role) = @_;
 2575:     my %full_c=();
 2576:     my %full_d=();
 2577:     my %full_s=();
 2578:     my $return_script;
 2579:     foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:c'})) {
 2580:         my ($priv,$restrict)=split(/\&/,$item);
 2581:         $full_c{$priv}=1;
 2582:     }
 2583:     foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:d'})) {
 2584:         my ($priv,$restrict)=split(/\&/,$item);
 2585:         $full_d{$priv}=1;
 2586:     }
 2587:     foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:s'})) {
 2588:         my ($priv,$restrict)=split(/\&/,$item);
 2589:         $full_s{$priv}=1;
 2590:     }
 2591:     $return_script .= 'function set_'.$role.'() {'."\n";
 2592:     my @temp = split(/:/,$Apache::lonnet::pr{$role.':c'});
 2593:     my %role_c;
 2594:     foreach my $priv (@temp) {
 2595:         my ($priv_item, $dummy) = split(/\&/,$priv);
 2596:         $role_c{$priv_item} = 1;
 2597:     }
 2598:     foreach my $priv_item (keys(%full_c)) {
 2599:         my ($priv, $dummy) = split(/\&/,$priv_item);
 2600:         if (exists($role_c{$priv})) {
 2601:             $return_script .= "document.form1.$priv"."_c.checked = true;\n";
 2602:         } else {
 2603:             $return_script .= "document.form1.$priv"."_c.checked = false;\n";
 2604:         }
 2605:     }
 2606:     my %role_d;
 2607:     @temp = split(/:/,$Apache::lonnet::pr{$role.':d'});
 2608:     foreach my $priv(@temp) {
 2609:         my ($priv_item, $dummy) = split(/\&/,$priv);
 2610:         $role_d{$priv_item} = 1;
 2611:     }
 2612:     foreach my $priv_item (keys(%full_d)) {
 2613:         my ($priv, $dummy) = split(/\&/,$priv_item);
 2614:         if (exists($role_d{$priv})) {
 2615:             $return_script .= "document.form1.$priv"."_d.checked = true;\n";
 2616:         } else {
 2617:             $return_script .= "document.form1.$priv"."_d.checked = false;\n";
 2618:         }
 2619:     }
 2620:     my %role_s;
 2621:     @temp = split(/:/,$Apache::lonnet::pr{$role.':s'});
 2622:     foreach my $priv(@temp) {
 2623:         my ($priv_item, $dummy) = split(/\&/,$priv);
 2624:         $role_s{$priv_item} = 1;
 2625:     }
 2626:     foreach my $priv_item (keys(%full_s)) {
 2627:         my ($priv, $dummy) = split(/\&/,$priv_item);
 2628:         if (exists($role_s{$priv})) {
 2629:             $return_script .= "document.form1.$priv"."_s.checked = true;\n";
 2630:         } else {
 2631:             $return_script .= "document.form1.$priv"."_s.checked = false;\n";
 2632:         }
 2633:     }
 2634:     $return_script .= '}'."\n";
 2635:     return ($return_script);
 2636: }
 2637: # ----------------------------------------------------------
 2638: sub make_button_code {
 2639:     my ($role) = @_;
 2640:     my $label = &Apache::lonnet::plaintext($role);
 2641:     my $button_code = '<input type="button" onClick="set_'.$role.'()" value="'.$label.'" />';    
 2642:     return ($button_code);
 2643: }
 2644: # ---------------------------------------------------------- Call to definerole
 2645: sub set_custom_role {
 2646:     my ($r) = @_;
 2647:     my $rolename=$env{'form.rolename'};
 2648:     $rolename=~s/[^A-Za-z0-9]//gs;
 2649:     if (!$rolename) {
 2650: 	&custom_role_editor($r);
 2651:         return;
 2652:     }
 2653:     my ($jsback,$elements) = &crumb_utilities();
 2654:     my $jscript = '<script type="text/javascript">'.$jsback."\n".'</script>';
 2655: 
 2656:     $r->print(&Apache::loncommon::start_page('Save Custom Role'),$jscript);
 2657:     &Apache::lonhtmlcommon::add_breadcrumb
 2658:         ({href=>"javascript:backPage(document.customresult,'pickrole','')",
 2659:           text=>"Pick custom role",
 2660:           faq=>282,bug=>'Instructor Interface',},
 2661:          {href=>"javascript:backPage(document.customresult,'selected_custom_edit','')",
 2662:           text=>"Edit custom role",
 2663:           faq=>282,bug=>'Instructor Interface',},
 2664:          {href=>"javascript:backPage(document.customresult,'set_custom_roles','')",
 2665:           text=>"Result",
 2666:           faq=>282,bug=>'Instructor Interface',});
 2667:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('User Management',
 2668:                                                   'Course_Editing_Custom_Roles'));
 2669: 
 2670:     my ($rdummy,$roledef)=
 2671: 	&Apache::lonnet::get('roles',["rolesdef_$rolename"]);
 2672: 
 2673: # ------------------------------------------------------- Does this role exist?
 2674:     $r->print('<h3>');
 2675:     if (($rdummy ne 'con_lost') && ($roledef ne '')) {
 2676: 	$r->print(&mt('Existing Role').' "');
 2677:     } else {
 2678: 	$r->print(&mt('New Role').' "');
 2679: 	$roledef='';
 2680:     }
 2681:     $r->print($rolename.'"</h3>');
 2682: # ------------------------------------------------------- What can be assigned?
 2683:     my $sysrole='';
 2684:     my $domrole='';
 2685:     my $courole='';
 2686: 
 2687:     foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:c'})) {
 2688: 	my ($priv,$restrict)=split(/\&/,$item);
 2689:         if (!$restrict) { $restrict=''; }
 2690:         if ($env{'form.'.$priv.'_c'}) {
 2691: 	    $courole.=':'.$item;
 2692: 	}
 2693:     }
 2694: 
 2695:     foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:d'})) {
 2696: 	my ($priv,$restrict)=split(/\&/,$item);
 2697:         if (!$restrict) { $restrict=''; }
 2698:         if ($env{'form.'.$priv.'_d'}) {
 2699: 	    $domrole.=':'.$item;
 2700: 	}
 2701:     }
 2702: 
 2703:     foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:s'})) {
 2704: 	my ($priv,$restrict)=split(/\&/,$item);
 2705:         if (!$restrict) { $restrict=''; }
 2706:         if ($env{'form.'.$priv.'_s'}) {
 2707: 	    $sysrole.=':'.$item;
 2708: 	}
 2709:     }
 2710:     $r->print('<br />Defining Role: '.
 2711: 	   &Apache::lonnet::definerole($rolename,$sysrole,$domrole,$courole));
 2712:     if ($env{'request.course.id'}) {
 2713:         my $url='/'.$env{'request.course.id'};
 2714:         $url=~s/\_/\//g;
 2715: 	$r->print('<br />'.&mt('Assigning Role to Self').': '.
 2716: 	      &Apache::lonnet::assigncustomrole($env{'user.domain'},
 2717: 						$env{'user.name'},
 2718: 						$url,
 2719: 						$env{'user.domain'},
 2720: 						$env{'user.name'},
 2721: 						$rolename));
 2722:     }
 2723:     $r->print('<p><a href="javascript:backPage(document.customresult,'."'pickrole'".')">'.&mt('Create or edit another custom role').'</a></p><form name="customresult" method="post">');
 2724:     $r->print(&Apache::lonhtmlcommon::echo_form_input([]).'</form>');
 2725:     $r->print(&Apache::loncommon::end_page());
 2726: }
 2727: 
 2728: # ================================================================ Main Handler
 2729: sub handler {
 2730:     my $r = shift;
 2731:     if ($r->header_only) {
 2732:        &Apache::loncommon::content_type($r,'text/html');
 2733:        $r->send_http_header;
 2734:        return OK;
 2735:     }
 2736:     my $context;
 2737:     if ($env{'request.course.id'}) {
 2738:         $context = 'course';
 2739:     } elsif ($env{'request.role'} =~ /^au\./) {
 2740:         $context = 'author';
 2741:     } else {
 2742:         $context = 'domain';
 2743:     }
 2744:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2745:         ['action','state','callingform','roletype','showrole','bulkaction']);
 2746:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2747:     if ($env{'form.action'} ne 'dateselect') {
 2748:         &Apache::lonhtmlcommon::add_breadcrumb
 2749:             ({href=>"/adm/createuser",
 2750:               text=>"User Management"});
 2751:     }
 2752:     my ($permission,$allowed) = 
 2753:         &Apache::lonuserutils::get_permission($context);
 2754:     if (!$allowed) {
 2755:         $env{'user.error.msg'}=
 2756:             "/adm/createuser:cst:0:0:Cannot create/modify user data ".
 2757:                                  "or view user status.";
 2758:         return HTTP_NOT_ACCEPTABLE;
 2759:     }
 2760: 
 2761:     &Apache::loncommon::content_type($r,'text/html');
 2762:     $r->send_http_header;
 2763: 
 2764:     # Main switch on form.action and form.state, as appropriate
 2765:     if (! exists($env{'form.action'})) {
 2766:         $r->print(&header());
 2767:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('User Management'));
 2768:         $r->print(&print_main_menu($permission,$context));
 2769:         $r->print(&Apache::loncommon::end_page());
 2770:     } elsif ($env{'form.action'} eq 'upload' && $permission->{'cusr'}) {
 2771:         $r->print(&header());
 2772:         &Apache::lonhtmlcommon::add_breadcrumb
 2773:             ({href=>'/adm/createuser?action=upload&state=',
 2774:               text=>"Upload Users List"});
 2775:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Upload Users List',
 2776:                                                    'Course_Create_Class_List'));
 2777:         $r->print('<form name="studentform" method="post" '.
 2778:                   'enctype="multipart/form-data" '.
 2779:                   ' action="/adm/createuser">'."\n");
 2780:         if (! exists($env{'form.state'})) {
 2781:             &Apache::lonuserutils::print_first_users_upload_form($r,$context);
 2782:         } elsif ($env{'form.state'} eq 'got_file') {
 2783:             &Apache::lonuserutils::print_upload_manager_form($r,$context,
 2784:                                                              $permission);
 2785:         } elsif ($env{'form.state'} eq 'enrolling') {
 2786:             if ($env{'form.datatoken'}) {
 2787:                 &Apache::lonuserutils::upfile_drop_add($r,$context,$permission);
 2788:             }
 2789:         } else {
 2790:             &Apache::lonuserutils::print_first_users_upload_form($r,$context);
 2791:         }
 2792:         $r->print('</form>'.&Apache::loncommon::end_page());
 2793:     } elsif ((($env{'form.action'} eq 'singleuser') || ($env{'form.action'}
 2794:              eq 'singlestudent')) && ($permission->{'cusr'})) {
 2795:         my $phase = $env{'form.phase'};
 2796:         my @search = ('srchterm','srchby','srchin','srchtype','srchdomain');
 2797: 	&Apache::loncreateuser::restore_prev_selections();
 2798: 	my $srch;
 2799: 	foreach my $item (@search) {
 2800: 	    $srch->{$item} = $env{'form.'.$item};
 2801: 	}
 2802: 
 2803:         if (($phase eq 'get_user_info') || ($phase eq 'userpicked') ||
 2804:             ($phase eq 'createnewuser')) {
 2805:             if ($env{'form.phase'} eq 'createnewuser') {
 2806:                 my $response;
 2807:                 if ($env{'form.srchterm'} !~ /^$match_username$/) {
 2808:                     my $response = &mt('You must specify a valid username. Only the following are allowed: letters numbers - . @');
 2809:                     $env{'form.phase'} = '';
 2810:                     &print_username_entry_form($r,$context,$response,$srch);
 2811:                 } else {
 2812:                     my $ccuname =&LONCAPA::clean_username($srch->{'srchterm'});
 2813:                     my $ccdomain=&LONCAPA::clean_domain($srch->{'srchdomain'});
 2814:                     &print_user_modification_page($r,$ccuname,$ccdomain,
 2815:                                                   $srch,$response,$context,
 2816:                                                   $permission);
 2817:                 }
 2818:             } elsif ($env{'form.phase'} eq 'get_user_info') {
 2819:                 my ($currstate,$response,$forcenewuser,$results) = 
 2820:                     &user_search_result($context,$srch);
 2821:                 if ($env{'form.currstate'} eq 'modify') {
 2822:                     $currstate = $env{'form.currstate'};
 2823:                 }
 2824:                 if ($currstate eq 'select') {
 2825:                     my $operation; 
 2826:                     if ($env{'form.action'} eq 'singleuser') {
 2827:                         $operation = 'createuser';
 2828:                     } elsif ($env{'form.action'} eq 'singlestudent') {
 2829:                         $operation = 'enrollstudent';
 2830:                     }
 2831:                     &print_user_selection_page($r,$response,$srch,$results,
 2832:                                                $operation,\@search,$context);
 2833:                 } elsif ($currstate eq 'modify') {
 2834:                     my ($ccuname,$ccdomain);
 2835:                     if (($srch->{'srchby'} eq 'uname') && 
 2836:                         ($srch->{'srchtype'} eq 'exact')) {
 2837:                         $ccuname = $srch->{'srchterm'};
 2838:                         $ccdomain= $srch->{'srchdomain'};
 2839:                     } else {
 2840:                         my @matchedunames = keys(%{$results});
 2841:                         ($ccuname,$ccdomain) = split(/:/,$matchedunames[0]);
 2842:                     }
 2843:                     $ccuname =&LONCAPA::clean_username($ccuname);
 2844:                     $ccdomain=&LONCAPA::clean_domain($ccdomain);
 2845:                     if ($env{'form.forcenewuser'}) {
 2846:                         $response = '';
 2847:                     }
 2848:                     &print_user_modification_page($r,$ccuname,$ccdomain,
 2849:                                                   $srch,$response,$context,
 2850:                                                   $permission);
 2851:                 } elsif ($currstate eq 'query') {
 2852:                     &print_user_query_page($r,'createuser');
 2853:                 } else {
 2854:                     &print_username_entry_form($r,$context,$response,$srch,
 2855:                                                $forcenewuser);
 2856:                 }
 2857:             } elsif ($env{'form.phase'} eq 'userpicked') {
 2858:                 my $ccuname = &LONCAPA::clean_username($env{'form.seluname'});
 2859:                 my $ccdomain = &LONCAPA::clean_domain($env{'form.seludom'});
 2860:                 &print_user_modification_page($r,$ccuname,$ccdomain,$srch,'',
 2861:                                               $context,$permission);
 2862:             }
 2863:         } elsif ($env{'form.phase'} eq 'update_user_data') {
 2864:             &update_user_data($r,$context);
 2865:         } else {
 2866:             &print_username_entry_form($r,$context,undef,$srch);
 2867:         }
 2868:     } elsif ($env{'form.action'} eq 'custom' && $permission->{'custom'}) {
 2869:         if ($env{'form.phase'} eq 'set_custom_roles') {
 2870:             &set_custom_role($r);
 2871:         } else {
 2872:             &custom_role_editor($r);
 2873:         }
 2874:     } elsif (($env{'form.action'} eq 'listusers') && 
 2875:              ($permission->{'view'} || $permission->{'cusr'})) {
 2876:         if ($env{'form.phase'} eq 'bulkchange') {
 2877:             &Apache::lonhtmlcommon::add_breadcrumb
 2878:                 ({href=>'/adm/createuser?action=listusers',
 2879:                   text=>"List Users"},
 2880:                 {href=>"/adm/createuser",
 2881:                   text=>"Result"});
 2882:             my $setting = $env{'form.roletype'};
 2883:             my $choice = $env{'form.bulkaction'};
 2884:             $r->print(&header());
 2885:             $r->print(&Apache::lonhtmlcommon::breadcrumbs("Update Users",
 2886:                                                           'Course_View_Class_List'));
 2887:             if ($permission->{'cusr'}) {
 2888:                 &Apache::lonuserutils::update_user_list($r,$context,$setting,$choice);
 2889:                 $r->print(&Apache::loncommon::end_page());
 2890:             } else {
 2891:                 $r->print(&mt('You are not authorized to make bulk changes to user roles'));
 2892:                 $r->print('<p><a href="/adm/createuser?action=listusers">'.&mt('Display User Lists').'</a>');
 2893:                 $r->print(&Apache::loncommon::end_page());
 2894:             }
 2895:         } else {
 2896:             &Apache::lonhtmlcommon::add_breadcrumb
 2897:                 ({href=>'/adm/createuser?action=listusers',
 2898:                   text=>"List Users"});
 2899:             my ($cb_jscript,$jscript,$totcodes,$codetitles,$idlist,$idlist_titles);
 2900:             my $formname = 'studentform';
 2901:             if ($context eq 'domain' && $env{'form.roletype'} eq 'course') {
 2902:                 ($cb_jscript,$jscript,$totcodes,$codetitles,$idlist,$idlist_titles) = 
 2903:                     &Apache::lonuserutils::courses_selector($env{'request.role.domain'},
 2904:                                                             $formname);
 2905:                 $jscript .= &verify_user_display();
 2906:                 my $js = &add_script($jscript).$cb_jscript;
 2907:                 my $loadcode = 
 2908:                     &Apache::lonuserutils::course_selector_loadcode($formname);
 2909:                 if ($loadcode ne '') {
 2910:                     $r->print(&header($js,{'onload' => $loadcode,}));
 2911:                 } else {
 2912:                     $r->print(&header($js));
 2913:                 }
 2914:             } else {
 2915:                 $r->print(&header(&add_script(&verify_user_display())));
 2916:             }
 2917:             $r->print(&Apache::lonhtmlcommon::breadcrumbs("List Users",
 2918:                                                           'Course_View_Class_List'));
 2919:             &Apache::lonuserutils::print_userlist($r,undef,$permission,$context,
 2920:                          $formname,$totcodes,$codetitles,$idlist,$idlist_titles);
 2921:             $r->print(&Apache::loncommon::end_page());
 2922:         }
 2923:     } elsif ($env{'form.action'} eq 'drop' && $permission->{'cusr'}) {
 2924:         $r->print(&header());
 2925:         &Apache::lonhtmlcommon::add_breadcrumb
 2926:             ({href=>'/adm/createuser?action=drop',
 2927:               text=>"Drop Students"});
 2928:         if (!exists($env{'form.state'})) {
 2929:             $r->print(&Apache::lonhtmlcommon::breadcrumbs('Drop Students',
 2930:                                                           'Course_Drop_Student'));
 2931: 
 2932:             &Apache::lonuserutils::print_drop_menu($r,$context,$permission);
 2933:         } elsif ($env{'form.state'} eq 'done') {
 2934:             &Apache::lonhtmlcommon::add_breadcrumb
 2935:             ({href=>'/adm/createuser?action=drop',
 2936:               text=>"Result"});
 2937:             $r->print(&Apache::lonhtmlcommon::breadcrumbs('Drop Students',
 2938:                                                           'Course_Drop_Student'));
 2939:             &Apache::lonuserutils::update_user_list($r,$context,undef,
 2940:                                                     $env{'form.action'});
 2941:         }
 2942:         $r->print(&Apache::loncommon::end_page());
 2943:     } elsif ($env{'form.action'} eq 'dateselect') {
 2944:         if ($permission->{'cusr'}) {
 2945:             $r->print(&header(undef,undef,{'no_nav_bar' => 1}).
 2946:                       &Apache::lonuserutils::date_section_selector($context,
 2947:                                                                    $permission).
 2948:                       &Apache::loncommon::end_page());
 2949:         } else {
 2950:             $r->print(&header().
 2951:                      '<span class="LC_error">'.&mt('You do not have permission to modify dates or sections for users').'</span>'. 
 2952:                      &Apache::loncommon::end_page());
 2953:         }
 2954:     } else {
 2955:         $r->print(&header());
 2956:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('User Management'));
 2957:         $r->print(&print_main_menu($permission,$context));
 2958:         $r->print(&Apache::loncommon::end_page());
 2959:     }
 2960:     return OK;
 2961: }
 2962: 
 2963: sub header {
 2964:     my ($jscript,$loaditems,$args) = @_;
 2965:     my $start_page;
 2966:     if (ref($loaditems) eq 'HASH') {
 2967:         $start_page=&Apache::loncommon::start_page('User Management',$jscript,{'add_entries' => $loaditems});
 2968:     } else {
 2969:         $start_page=&Apache::loncommon::start_page('User Management',$jscript,$args);
 2970:     }
 2971:     return $start_page;
 2972: }
 2973: 
 2974: sub add_script {
 2975:     my ($js) = @_;
 2976:     return '<script type="text/javascript">'."\n".$js."\n".'</script>';
 2977: }
 2978: 
 2979: sub verify_user_display {
 2980:     my $output = <<"END";
 2981: 
 2982: function display_update() {
 2983:     document.studentform.action.value = 'listusers';
 2984:     document.studentform.phase.value = 'display';
 2985:     document.studentform.submit();
 2986: }
 2987: 
 2988: END
 2989:     return $output;
 2990: 
 2991: }
 2992: 
 2993: ###############################################################
 2994: ###############################################################
 2995: #  Menu Phase One
 2996: sub print_main_menu {
 2997:     my ($permission,$context) = @_;
 2998:     my %links = (
 2999:                        domain => {
 3000:                                    upload => 'Upload a File of Users',
 3001:                                    singleuser => 'Add/Modify a Single User',
 3002:                                    listusers => 'Manage Multiple Users',
 3003:                                  },
 3004:                        author => {
 3005:                                    upload => 'Upload a File of Co-authors',
 3006:                                    singleuser => 'Add/Modify a Single Co-author',
 3007:                                    listusers => 'Display Co-authors and Manage Multiple Users',
 3008:                                  },
 3009:                        course => {
 3010:                                    upload => 'Upload a File of Course Users',
 3011:                                    singleuser => 'Add/Modify a Single Course User',
 3012:                                    listusers => 'Display Class Lists and Manage Multiple Users',
 3013:                                  },
 3014:                      );
 3015:     my @menu =
 3016:         (
 3017:           { text => $links{$context}{'upload'},
 3018:             help => 'Course_Create_Class_List',
 3019:             action => 'upload',
 3020:             permission => $permission->{'cusr'},
 3021:             },
 3022:           { text => $links{$context}{'singleuser'}, 
 3023:             help => 'Course_Change_Privileges',
 3024:             action => 'singleuser',
 3025:             permission => $permission->{'cusr'},
 3026:             },
 3027:           { text => $links{$context}{'listusers'},
 3028:             help => 'Course_View_Class_List',
 3029:             action => 'listusers',
 3030:             permission => ($permission->{'view'} || $permission->{'cusr'}),
 3031:           },
 3032:         );
 3033:     if ($context eq 'domain' || $context eq 'course') {
 3034:         my $customlink =  { text => 'Edit Custom Roles',
 3035:                             help => 'Course_Editing_Custom_Roles',
 3036:                             action => 'custom',
 3037:                             permission => $permission->{'custom'},
 3038:                           };
 3039:         push(@menu,$customlink);
 3040:     }
 3041:     if ($context eq 'course') {
 3042:         my ($cnum,$cdom) = &Apache::lonuserutils::get_course_identity();
 3043:         my @courselinks =
 3044:             (
 3045:               { text => 'Enroll a Single Student',
 3046:                  help => 'Course_Add_Student',
 3047:                  action => 'singlestudent',
 3048:                  permission => $permission->{'cusr'},
 3049:                  },
 3050:               { text => 'Drop Students',
 3051:                 help => 'Course_Drop_Student',
 3052:                 action => 'drop',
 3053:                 permission => $permission->{'cusr'},
 3054:               });
 3055:         if (!exists($permission->{'cusr_section'})) {
 3056:             push(@courselinks,
 3057:                { text => 'Automated Student Enrollment Manager',
 3058:                  permission => (&Apache::lonnet::auto_run($cnum,$cdom)
 3059:                                 && $permission->{'cusr'}),
 3060:                  url  => '/adm/populate',
 3061:                  });
 3062:         }
 3063:         push(@courselinks,
 3064:                { text => 'Manage Course Groups',
 3065:                  help => 'Course_Manage_Group',
 3066:                  permission => $permission->{'grp_manage'},
 3067:                  url => '/adm/coursegroups?refpage=cusr',
 3068:                });
 3069:         push(@menu,@courselinks);
 3070:     }
 3071:     my $menu_html = '';
 3072:     foreach my $menu_item (@menu) {
 3073:         next if (! $menu_item->{'permission'});
 3074:         $menu_html.='<p>';
 3075:         $menu_html.='<font size="+1">';
 3076:         if (exists($menu_item->{'url'})) {
 3077:             $menu_html.=qq{<a href="$menu_item->{'url'}">};
 3078:         } else {
 3079:             $menu_html.=
 3080:                 qq{<a href="/adm/createuser?action=$menu_item->{'action'}">};
 3081:         }
 3082:         $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
 3083:         if (exists($menu_item->{'help'})) {
 3084:             $menu_html.=
 3085:                 &Apache::loncommon::help_open_topic($menu_item->{'help'});
 3086:         }
 3087:         $menu_html.='</p>';
 3088:     }
 3089:     return $menu_html;
 3090: }
 3091: 
 3092: sub restore_prev_selections {
 3093:     my %saveable_parameters = ('srchby'   => 'scalar',
 3094: 			       'srchin'   => 'scalar',
 3095: 			       'srchtype' => 'scalar',
 3096: 			       );
 3097:     &Apache::loncommon::store_settings('user','user_picker',
 3098: 				       \%saveable_parameters);
 3099:     &Apache::loncommon::restore_settings('user','user_picker',
 3100: 					 \%saveable_parameters);
 3101: }
 3102: 
 3103: #-------------------------------------------------- functions for &phase_two
 3104: sub user_search_result {
 3105:     my ($context,$srch) = @_;
 3106:     my %allhomes;
 3107:     my %inst_matches;
 3108:     my %srch_results;
 3109:     my ($response,$currstate,$forcenewuser,$dirsrchres);
 3110:     $srch->{'srchterm'} =~ s/\s+/ /g;
 3111:     if ($srch->{'srchby'} !~ /^(uname|lastname|lastfirst)$/) {
 3112:         $response = &mt('Invalid search.');
 3113:     }
 3114:     if ($srch->{'srchin'} !~ /^(crs|dom|alc|instd)$/) {
 3115:         $response = &mt('Invalid search.');
 3116:     }
 3117:     if ($srch->{'srchtype'} !~ /^(exact|contains|begins)$/) {
 3118:         $response = &mt('Invalid search.');
 3119:     }
 3120:     if ($srch->{'srchterm'} eq '') {
 3121:         $response = &mt('You must enter a search term.');
 3122:     }
 3123:     if ($srch->{'srchterm'} =~ /^\s+$/) {
 3124:         $response = &mt('Your search term must contain more than just spaces.');
 3125:     }
 3126:     if (($srch->{'srchin'} eq 'dom') || ($srch->{'srchin'} eq 'instd')) {
 3127:         if (($srch->{'srchdomain'} eq '') || 
 3128: 	    ! (&Apache::lonnet::domain($srch->{'srchdomain'}))) {
 3129:             $response = &mt('You must specify a valid domain when searching in a domain or institutional directory.')
 3130:         }
 3131:     }
 3132:     if (($srch->{'srchin'} eq 'dom') || ($srch->{'srchin'} eq 'crs') ||
 3133:         ($srch->{'srchin'} eq 'alc')) {
 3134:         if ($srch->{'srchby'} eq 'uname') {
 3135:             if ($srch->{'srchterm'} !~ /^$match_username$/) {
 3136:                 $response = &mt('You must specify a valid username. Only the following are allowed: letters numbers - . @');
 3137:             }
 3138:         }
 3139:     }
 3140:     if ($response ne '') {
 3141:         $response = '<span class="LC_warning">'.$response.'</span>';
 3142:     }
 3143:     if ($srch->{'srchin'} eq 'instd') {
 3144:         my $instd_chk = &directorysrch_check($srch);
 3145:         if ($instd_chk ne 'ok') {
 3146:             $response = '<span class="LC_warning">'.$instd_chk.'</span>'.
 3147:                         '<br />'.&mt('You may want to search in the LON-CAPA domain instead of the institutional directory.').'<br /><br />';
 3148:         }
 3149:     }
 3150:     if ($response ne '') {
 3151:         return ($currstate,$response);
 3152:     }
 3153:     if ($srch->{'srchby'} eq 'uname') {
 3154:         if (($srch->{'srchin'} eq 'dom') || ($srch->{'srchin'} eq 'crs')) {
 3155:             if ($env{'form.forcenew'}) {
 3156:                 if ($srch->{'srchdomain'} ne $env{'request.role.domain'}) {
 3157:                     my $uhome=&Apache::lonnet::homeserver($srch->{'srchterm'},$srch->{'srchdomain'});
 3158:                     if ($uhome eq 'no_host') {
 3159:                         my $domdesc = &Apache::lonnet::domain($env{'request.role.domain'},'description');
 3160:                         my $showdom = &display_domain_info($env{'request.role.domain'});
 3161:                         $response = &mt('New users can only be created in the domain to which your current role belongs - [_1].',$showdom);
 3162:                     } else {
 3163:                         $currstate = 'modify';
 3164:                     }
 3165:                 } else {
 3166:                     $currstate = 'modify';
 3167:                 }
 3168:             } else {
 3169:                 if ($srch->{'srchin'} eq 'dom') {
 3170:                     if ($srch->{'srchtype'} eq 'exact') {
 3171:                         my $uhome=&Apache::lonnet::homeserver($srch->{'srchterm'},$srch->{'srchdomain'});
 3172:                         if ($uhome eq 'no_host') {
 3173:                             ($currstate,$response,$forcenewuser) =
 3174:                                 &build_search_response($context,$srch,%srch_results);
 3175:                         } else {
 3176:                             $currstate = 'modify';
 3177:                         }
 3178:                     } else {
 3179:                         %srch_results = &Apache::lonnet::usersearch($srch);
 3180:                         ($currstate,$response,$forcenewuser) =
 3181:                             &build_search_response($context,$srch,%srch_results);
 3182:                     }
 3183:                 } else {
 3184:                     my $courseusers = &get_courseusers();
 3185:                     if ($srch->{'srchtype'} eq 'exact') {
 3186:                         if (exists($courseusers->{$srch->{'srchterm'}.':'.$srch->{'srchdomain'}})) {
 3187:                             $currstate = 'modify';
 3188:                         } else {
 3189:                             ($currstate,$response,$forcenewuser) =
 3190:                                 &build_search_response($context,$srch,%srch_results);
 3191:                         }
 3192:                     } else {
 3193:                         foreach my $user (keys(%$courseusers)) {
 3194:                             my ($cuname,$cudomain) = split(/:/,$user);
 3195:                             if ($cudomain eq $srch->{'srchdomain'}) {
 3196:                                 my $matched = 0;
 3197:                                 if ($srch->{'srchtype'} eq 'begins') {
 3198:                                     if ($cuname =~ /^\Q$srch->{'srchterm'}\E/i) {
 3199:                                         $matched = 1;
 3200:                                     }
 3201:                                 } else {
 3202:                                     if ($cuname =~ /\Q$srch->{'srchterm'}\E/i) {
 3203:                                         $matched = 1;
 3204:                                     }
 3205:                                 }
 3206:                                 if ($matched) {
 3207:                                     $srch_results{$user} = 
 3208: 					{&Apache::lonnet::get('environment',
 3209: 							     ['firstname',
 3210: 							      'lastname',
 3211: 							      'permanentemail'],
 3212: 							      $cudomain,$cuname)};
 3213:                                 }
 3214:                             }
 3215:                         }
 3216:                         ($currstate,$response,$forcenewuser) =
 3217:                             &build_search_response($context,$srch,%srch_results);
 3218:                     }
 3219:                 }
 3220:             }
 3221:         } elsif ($srch->{'srchin'} eq 'alc') {
 3222:             $currstate = 'query';
 3223:         } elsif ($srch->{'srchin'} eq 'instd') {
 3224:             ($dirsrchres,%srch_results) = &Apache::lonnet::inst_directory_query($srch);
 3225:             if ($dirsrchres eq 'ok') {
 3226:                 ($currstate,$response,$forcenewuser) = 
 3227:                     &build_search_response($context,$srch,%srch_results);
 3228:             } else {
 3229:                 my $showdom = &display_domain_info($srch->{'srchdomain'});
 3230:                 $response = '<span class="LC_warning">'.
 3231:                     &mt('Institutional directory search is not available in domain: [_1]',$showdom).
 3232:                     '</span><br />'.
 3233:                     &mt('You may want to search in the LON-CAPA domain instead of the institutional directory.').
 3234:                     '<br /><br />'; 
 3235:             }
 3236:         }
 3237:     } else {
 3238:         if ($srch->{'srchin'} eq 'dom') {
 3239:             %srch_results = &Apache::lonnet::usersearch($srch);
 3240:             ($currstate,$response,$forcenewuser) = 
 3241:                 &build_search_response($context,$srch,%srch_results); 
 3242:         } elsif ($srch->{'srchin'} eq 'crs') {
 3243:             my $courseusers = &get_courseusers(); 
 3244:             foreach my $user (keys(%$courseusers)) {
 3245:                 my ($uname,$udom) = split(/:/,$user);
 3246:                 my %names = &Apache::loncommon::getnames($uname,$udom);
 3247:                 my %emails = &Apache::loncommon::getemails($uname,$udom);
 3248:                 if ($srch->{'srchby'} eq 'lastname') {
 3249:                     if ((($srch->{'srchtype'} eq 'exact') && 
 3250:                          ($names{'lastname'} eq $srch->{'srchterm'})) || 
 3251:                         (($srch->{'srchtype'} eq 'begins') &&
 3252:                          ($names{'lastname'} =~ /^\Q$srch->{'srchterm'}\E/i)) ||
 3253:                         (($srch->{'srchtype'} eq 'contains') &&
 3254:                          ($names{'lastname'} =~ /\Q$srch->{'srchterm'}\E/i))) {
 3255:                         $srch_results{$user} = {firstname => $names{'firstname'},
 3256:                                             lastname => $names{'lastname'},
 3257:                                             permanentemail => $emails{'permanentemail'},
 3258:                                            };
 3259:                     }
 3260:                 } elsif ($srch->{'srchby'} eq 'lastfirst') {
 3261:                     my ($srchlast,$srchfirst) = split(/,/,$srch->{'srchterm'});
 3262:                     $srchlast =~ s/\s+$//;
 3263:                     $srchfirst =~ s/^\s+//;
 3264:                     if ($srch->{'srchtype'} eq 'exact') {
 3265:                         if (($names{'lastname'} eq $srchlast) &&
 3266:                             ($names{'firstname'} eq $srchfirst)) {
 3267:                             $srch_results{$user} = {firstname => $names{'firstname'},
 3268:                                                 lastname => $names{'lastname'},
 3269:                                                 permanentemail => $emails{'permanentemail'},
 3270: 
 3271:                                            };
 3272:                         }
 3273:                     } elsif ($srch->{'srchtype'} eq 'begins') {
 3274:                         if (($names{'lastname'} =~ /^\Q$srchlast\E/i) &&
 3275:                             ($names{'firstname'} =~ /^\Q$srchfirst\E/i)) {
 3276:                             $srch_results{$user} = {firstname => $names{'firstname'},
 3277:                                                 lastname => $names{'lastname'},
 3278:                                                 permanentemail => $emails{'permanentemail'},
 3279:                                                };
 3280:                         }
 3281:                     } else {
 3282:                         if (($names{'lastname'} =~ /\Q$srchlast\E/i) && 
 3283:                             ($names{'firstname'} =~ /\Q$srchfirst\E/i)) {
 3284:                             $srch_results{$user} = {firstname => $names{'firstname'},
 3285:                                                 lastname => $names{'lastname'},
 3286:                                                 permanentemail => $emails{'permanentemail'},
 3287:                                                };
 3288:                         }
 3289:                     }
 3290:                 }
 3291:             }
 3292:             ($currstate,$response,$forcenewuser) = 
 3293:                 &build_search_response($context,$srch,%srch_results); 
 3294:         } elsif ($srch->{'srchin'} eq 'alc') {
 3295:             $currstate = 'query';
 3296:         } elsif ($srch->{'srchin'} eq 'instd') {
 3297:             ($dirsrchres,%srch_results) = &Apache::lonnet::inst_directory_query($srch); 
 3298:             if ($dirsrchres eq 'ok') {
 3299:                 ($currstate,$response,$forcenewuser) = 
 3300:                     &build_search_response($context,$srch,%srch_results);
 3301:             } else {
 3302:                 my $showdom = &display_domain_info($srch->{'srchdomain'});                $response = '<span class="LC_warning">'.
 3303:                     &mt('Institutional directory search is not available in domain: [_1]',$showdom).
 3304:                     '</span><br />'.
 3305:                     &mt('You may want to search in the LON-CAPA domain instead of the institutional directory.').
 3306:                     '<br /><br />';
 3307:             }
 3308:         }
 3309:     }
 3310:     return ($currstate,$response,$forcenewuser,\%srch_results);
 3311: }
 3312: 
 3313: sub directorysrch_check {
 3314:     my ($srch) = @_;
 3315:     my $can_search = 0;
 3316:     my $response;
 3317:     my %dom_inst_srch = &Apache::lonnet::get_dom('configuration',
 3318:                                              ['directorysrch'],$srch->{'srchdomain'});
 3319:     my $showdom = &display_domain_info($srch->{'srchdomain'});
 3320:     if (ref($dom_inst_srch{'directorysrch'}) eq 'HASH') {
 3321:         if (!$dom_inst_srch{'directorysrch'}{'available'}) {
 3322:             return &mt('Institutional directory search is not available in domain: [_1]',$showdom); 
 3323:         }
 3324:         if ($dom_inst_srch{'directorysrch'}{'localonly'}) {
 3325:             if ($env{'request.role.domain'} ne $srch->{'srchdomain'}) {
 3326:                 return &mt('Institutional directory search in domain: [_1] is only allowed for users with a current role in the domain.',$showdom); 
 3327:             }
 3328:             my @usertypes = split(/:/,$env{'environment.inststatus'});
 3329:             if (!@usertypes) {
 3330:                 push(@usertypes,'default');
 3331:             }
 3332:             if (ref($dom_inst_srch{'directorysrch'}{'cansearch'}) eq 'ARRAY') {
 3333:                 foreach my $type (@usertypes) {
 3334:                     if (grep(/^\Q$type\E$/,@{$dom_inst_srch{'directorysrch'}{'cansearch'}})) {
 3335:                         $can_search = 1;
 3336:                         last;
 3337:                     }
 3338:                 }
 3339:             }
 3340:             if (!$can_search) {
 3341:                 my ($insttypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($srch->{'srchdomain'});
 3342:                 my @longtypes; 
 3343:                 foreach my $item (@usertypes) {
 3344:                     push (@longtypes,$insttypes->{$item});
 3345:                 }
 3346:                 my $insttype_str = join(', ',@longtypes); 
 3347:                 return &mt('Institutional directory search in domain: [_1] is not available to your user type: ',$showdom).$insttype_str;
 3348:             } 
 3349:         } else {
 3350:             $can_search = 1;
 3351:         }
 3352:     } else {
 3353:         return &mt('Institutional directory search has not been configured for domain: [_1]',$showdom);
 3354:     }
 3355:     my %longtext = &Apache::lonlocal::texthash (
 3356:                        uname     => 'username',
 3357:                        lastfirst => 'last name, first name',
 3358:                        lastname  => 'last name',
 3359:                        contains  => 'contains',
 3360:                        exact     => 'as exact match to',
 3361:                        begins    => 'begins with',
 3362:                    );
 3363:     if ($can_search) {
 3364:         if (ref($dom_inst_srch{'directorysrch'}{'searchby'}) eq 'ARRAY') {
 3365:             if (!grep(/^\Q$srch->{'srchby'}\E$/,@{$dom_inst_srch{'directorysrch'}{'searchby'}})) {
 3366:                 return &mt('Institutional directory search in domain: [_1] is not available for searching by "[_2]"',$showdom,$longtext{$srch->{'srchby'}});
 3367:             }
 3368:         } else {
 3369:             return &mt('Institutional directory search in domain: [_1] is not available.', $showdom);
 3370:         }
 3371:     }
 3372:     if ($can_search) {
 3373:         if (ref($dom_inst_srch{'directorysrch'}{'searchtypes'}) eq 'ARRAY') {
 3374:             if (grep(/^\Q$srch->{'srchtype'}\E/,@{$dom_inst_srch{'directorysrch'}{'searchtypes'}})) {
 3375:                 return 'ok';
 3376:             } else {
 3377:                 return &mt('Institutional directory search in domain [_1] is not available for the requested search type: "[_2]"',$showdom,$longtext{$srch->{'srchtype'}});
 3378:             }
 3379:         } else {
 3380:             if ((($dom_inst_srch{'directorysrch'}{'searchtypes'} eq 'specify') &&
 3381:                  ($srch->{'srchtype'} eq 'exact' || $srch->{'srchtype'} eq 'contains')) ||
 3382:                 ($dom_inst_srch{'directorysrch'}{'searchtypes'} eq $srch->{'srchtype'})) {
 3383:                 return 'ok';
 3384:             } else {
 3385:                 return &mt('Institutional directory search in domain [_1] is not available for the requested search type: "[_2]"',$showdom,$longtext{$srch->{'srchtype'}});
 3386:             }
 3387:         }
 3388:     }
 3389: }
 3390: 
 3391: sub get_courseusers {
 3392:     my %advhash;
 3393:     my $classlist = &Apache::loncoursedata::get_classlist();
 3394:     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles();
 3395:     foreach my $role (sort(keys(%coursepersonnel))) {
 3396:         foreach my $user (split(/\,/,$coursepersonnel{$role})) {
 3397: 	    if (!exists($classlist->{$user})) {
 3398: 		$classlist->{$user} = [];
 3399: 	    }
 3400:         }
 3401:     }
 3402:     return $classlist;
 3403: }
 3404: 
 3405: sub build_search_response {
 3406:     my ($context,$srch,%srch_results) = @_;
 3407:     my ($currstate,$response,$forcenewuser);
 3408:     my %names = (
 3409:           'uname' => 'username',
 3410:           'lastname' => 'last name',
 3411:           'lastfirst' => 'last name, first name',
 3412:           'crs' => 'this course',
 3413:           'dom' => 'LON-CAPA domain: ',
 3414:           'instd' => 'the institutional directory for domain: ',
 3415:     );
 3416: 
 3417:     my %single = (
 3418:                    begins   => 'A match',
 3419:                    contains => 'A match',
 3420:                    exact    => 'An exact match',
 3421:                  );
 3422:     my %nomatch = (
 3423:                    begins   => 'No match',
 3424:                    contains => 'No match',
 3425:                    exact    => 'No exact match',
 3426:                   );
 3427:     if (keys(%srch_results) > 1) {
 3428:         $currstate = 'select';
 3429:     } else {
 3430:         if (keys(%srch_results) == 1) {
 3431:             $currstate = 'modify';
 3432:             $response = &mt("$single{$srch->{'srchtype'}} was found for the $names{$srch->{'srchby'}} ([_1]) in $names{$srch->{'srchin'}}.",$srch->{'srchterm'});
 3433:             if ($srch->{'srchin'} eq 'dom' || $srch->{'srchin'} eq 'instd') {
 3434:                 $response .= &display_domain_info($srch->{'srchdomain'});
 3435:             }
 3436:         } else {
 3437:             $response = '<span class="LC_warning">'.&mt("$nomatch{$srch->{'srchtype'}} found for the $names{$srch->{'srchby'}} ([_1]) in $names{$srch->{'srchin'}}",$srch->{'srchterm'});
 3438:             if ($srch->{'srchin'} eq 'dom' || $srch->{'srchin'} eq 'instd') {
 3439:                 $response .= &display_domain_info($srch->{'srchdomain'});
 3440:             }
 3441:             $response .= '</span>';
 3442:             if ($srch->{'srchin'} ne 'alc') {
 3443:                 $forcenewuser = 1;
 3444:                 my $cansrchinst = 0; 
 3445:                 if ($srch->{'srchdomain'}) {
 3446:                     my %domconfig = &Apache::lonnet::get_dom('configuration',['directorysrch'],$srch->{'srchdomain'});
 3447:                     if (ref($domconfig{'directorysrch'}) eq 'HASH') {
 3448:                         if ($domconfig{'directorysrch'}{'available'}) {
 3449:                             $cansrchinst = 1;
 3450:                         } 
 3451:                     }
 3452:                 }
 3453:                 if ((($srch->{'srchby'} eq 'lastfirst') || 
 3454:                      ($srch->{'srchby'} eq 'lastname')) &&
 3455:                     ($srch->{'srchin'} eq 'dom')) {
 3456:                     if ($cansrchinst) {
 3457:                         $response .= '<br />'.&mt('You may want to broaden your search to a search of the institutional directory for the domain.');
 3458:                     }
 3459:                 }
 3460:                 if ($srch->{'srchin'} eq 'crs') {
 3461:                     $response .= '<br />'.&mt('You may want to broaden your search to the selected LON-CAPA domain.');
 3462:                 }
 3463:             }
 3464:             if (!($srch->{'srchby'} eq 'uname' && $srch->{'srchin'} eq 'dom' && $srch->{'srchtype'} eq 'exact' && $srch->{'srchdomain'} eq $env{'request.role.domain'})) {
 3465:                 my $cancreate =
 3466:                     &Apache::lonuserutils::can_create_user($env{'request.role.domain'},$context);
 3467:                 if ($cancreate) {
 3468:                     my $showdom = &display_domain_info($env{'request.role.domain'}); 
 3469:                 $response .= '<br /><br />'.&mt("<b>To add a new user</b> (you can only create new users in your current role's domain - <span class=\"LC_cusr_emph\">[_1]</span>):",$env{'request.role.domain'}).'<ul><li>'.&mt("Set 'Domain/institution to search' to: <span class=\"LC_cusr_emph\">[_1]</span>",$showdom).'<li>'.&mt("Set 'Search criteria' to: <span class=\"LC_cusr_emph\">'username is ...... in selected LON-CAPA domain'").'</span></li><li>'.&mt('Provide the proposed username').'</li><li>'.&mt('Search').'</li></ul><br />';
 3470:                 } else {
 3471:                     my $helplink = ' href="javascript:helpMenu('."'display'".')"';
 3472:                     $response .= '<br /><br />'.&mt("You are not authorized to create new users in your current role's domain - <span class=\"LC_cusr_emph\">[_1]</span>.",$env{'request.role.domain'}).'<br />'.&mt('Contact the <a[_1]>helpdesk</a> if you need to create a new user.',$helplink).'<br /><br />';
 3473:                 }
 3474:             }
 3475:         }
 3476:     }
 3477:     return ($currstate,$response,$forcenewuser);
 3478: }
 3479: 
 3480: sub display_domain_info {
 3481:     my ($dom) = @_;
 3482:     my $output = $dom;
 3483:     if ($dom ne '') { 
 3484:         my $domdesc = &Apache::lonnet::domain($dom,'description');
 3485:         if ($domdesc ne '') {
 3486:             $output .= ' <span class="LC_cusr_emph">('.$domdesc.')</span>';
 3487:         }
 3488:     }
 3489:     return $output;
 3490: }
 3491: 
 3492: sub crumb_utilities {
 3493:     my %elements = (
 3494:        crtuser => {
 3495:            srchterm => 'text',
 3496:            srchin => 'selectbox',
 3497:            srchby => 'selectbox',
 3498:            srchtype => 'selectbox',
 3499:            srchdomain => 'selectbox',
 3500:        },
 3501:        crtusername => {
 3502:            srchterm => 'text',
 3503:            srchdomain => 'selectbox',
 3504:        },
 3505:        docustom => {
 3506:            rolename => 'selectbox',
 3507:            newrolename => 'textbox',
 3508:        },
 3509:        studentform => {
 3510:            srchterm => 'text',
 3511:            srchin => 'selectbox',
 3512:            srchby => 'selectbox',
 3513:            srchtype => 'selectbox',
 3514:            srchdomain => 'selectbox',
 3515:        },
 3516:     );
 3517: 
 3518:     my $jsback .= qq|
 3519: function backPage(formname,prevphase,prevstate) {
 3520:     if (typeof prevphase == 'undefined') {
 3521:         formname.phase.value = '';
 3522:     }
 3523:     else {  
 3524:         formname.phase.value = prevphase;
 3525:     }
 3526:     if (typeof prevstate == 'undefined') {
 3527:         formname.currstate.value = '';
 3528:     }
 3529:     else {
 3530:         formname.currstate.value = prevstate;
 3531:     }
 3532:     formname.submit();
 3533: }
 3534: |;
 3535:     return ($jsback,\%elements);
 3536: }
 3537: 
 3538: sub course_level_table {
 3539:     my (%inccourses) = @_;
 3540:     my $table = '';
 3541: # Custom Roles?
 3542: 
 3543:     my %customroles=&Apache::lonuserutils::my_custom_roles();
 3544:     my %lt=&Apache::lonlocal::texthash(
 3545:             'exs'  => "Existing sections",
 3546:             'new'  => "Define new section",
 3547:             'ssd'  => "Set Start Date",
 3548:             'sed'  => "Set End Date",
 3549:             'crl'  => "Course Level",
 3550:             'act'  => "Activate",
 3551:             'rol'  => "Role",
 3552:             'ext'  => "Extent",
 3553:             'grs'  => "Section",
 3554:             'sta'  => "Start",
 3555:             'end'  => "End"
 3556:     );
 3557: 
 3558:     foreach my $protectedcourse (sort( keys(%inccourses))) {
 3559: 	my $thiscourse=$protectedcourse;
 3560: 	$thiscourse=~s:_:/:g;
 3561: 	my %coursedata=&Apache::lonnet::coursedescription($thiscourse);
 3562: 	my $area=$coursedata{'description'};
 3563:         my $type=$coursedata{'type'};
 3564: 	if (!defined($area)) { $area=&mt('Unavailable course').': '.$protectedcourse; }
 3565: 	my ($domain,$cnum)=split(/\//,$thiscourse);
 3566:         my %sections_count;
 3567:         if (defined($env{'request.course.id'})) {
 3568:             if ($env{'request.course.id'} eq $domain.'_'.$cnum) {
 3569:                 %sections_count = 
 3570: 		    &Apache::loncommon::get_sections($domain,$cnum);
 3571:             }
 3572:         }
 3573:         my @roles = &Apache::lonuserutils::roles_by_context('course');
 3574: 	foreach my $role (@roles) {
 3575:             my $plrole=&Apache::lonnet::plaintext($role);
 3576: 	    if (&Apache::lonnet::allowed('c'.$role,$thiscourse)) {
 3577:                 $table .= &course_level_row($protectedcourse,$role,$area,$domain,
 3578:                                             $plrole,\%sections_count,\%lt);    
 3579:             } elsif ($env{'request.course.sec'} ne '') {
 3580:                 if (&Apache::lonnet::allowed('c'.$role,$thiscourse.'/'.
 3581:                                              $env{'request.course.sec'})) {
 3582:                     $table .= &course_level_row($protectedcourse,$role,$area,$domain,
 3583:                                                 $plrole,\%sections_count,\%lt);
 3584:                 }
 3585:             }
 3586:         }
 3587:         if (&Apache::lonnet::allowed('ccr',$thiscourse)) {
 3588:             foreach my $cust (sort keys %customroles) {
 3589:                 my $role = 'cr_cr_'.$env{'user.domain'}.'_'.$env{'user.name'}.'_'.$cust;
 3590:                 $table .= &course_level_row($protectedcourse,$role,$area,$domain,
 3591:                                             $cust,\%sections_count,\%lt);
 3592:             }
 3593: 	}
 3594:     }
 3595:     return '' if ($table eq ''); # return nothing if there is nothing 
 3596:                                  # in the table
 3597:     my $result;
 3598:     if (!$env{'request.course.id'}) {
 3599:         $result = '<h4>'.$lt{'crl'}.'</h4>'."\n";
 3600:     }
 3601:     $result .= 
 3602: &Apache::loncommon::start_data_table().
 3603: &Apache::loncommon::start_data_table_header_row().
 3604: '<th>'.$lt{'act'}.'</th><th>'.$lt{'rol'}.'</th><th>'.$lt{'ext'}.'</th>
 3605: <th>'.$lt{'grs'}.'</th><th>'.$lt{'sta'}.'</th><th>'.$lt{'end'}.'</th>'.
 3606: &Apache::loncommon::end_data_table_header_row().
 3607: $table.
 3608: &Apache::loncommon::end_data_table();
 3609:     return $result;
 3610: }
 3611: 
 3612: sub course_level_row {
 3613:     my ($protectedcourse,$role,$area,$domain,$plrole,$sections_count,$lt) = @_;
 3614:     my $row = &Apache::loncommon::start_data_table_row().
 3615:               ' <td><input type="checkbox" name="act_'.
 3616:               $protectedcourse.'_'.$role.'" /></td>'."\n".
 3617:               ' <td>'.$plrole.'</td>'."\n".
 3618:               ' <td>'.$area.'<br />Domain: '.$domain.'</td>'."\n";
 3619:     if ($role eq 'cc') {
 3620:         $row .= '<td>&nbsp;</td>';
 3621:     } elsif ($env{'request.course.sec'} ne '') {
 3622:         $row .= ' <td><input type="hidden" value="'.
 3623:                 $env{'request.course.sec'}.'" '.
 3624:                 'name="sec_'.$protectedcourse.'_'.$role.'" />'.
 3625:                 $env{'request.course.sec'}.'</td>';
 3626:     } else {
 3627:         if (ref($sections_count) eq 'HASH') {
 3628:             my $currsec = 
 3629:                 &Apache::lonuserutils::course_sections($sections_count,
 3630:                                                        $protectedcourse.'_'.$role);
 3631:             $row .= '<td><table class="LC_createuser">'."\n".
 3632:                     '<tr class="LC_section_row">'."\n".
 3633:                     ' <td valign="top">'.$lt->{'exs'}.'<br />'.
 3634:                        $currsec.'</td>'."\n".
 3635:                      ' <td>&nbsp;&nbsp;</td>'."\n".
 3636:                      ' <td valign="top">&nbsp;'.$lt->{'new'}.'<br />'.
 3637:                      '<input type="text" name="newsec_'.$protectedcourse.'_'.$role.
 3638:                      '" value="" />'.
 3639:                      '<input type="hidden" '.
 3640:                      'name="sec_'.$protectedcourse.'_'.$role.'" /></td>'."\n".
 3641:                      '</tr></table></td>'."\n";
 3642:         } else {
 3643:             $row .= '<td><input type="text" size="10" '.
 3644:                       'name="sec_'.$protectedcourse.'_'.$role.'" /></td>'."\n";
 3645:         }
 3646:     }
 3647:     $row .= <<ENDTIMEENTRY;
 3648: <td><input type="hidden" name="start_$protectedcourse\_$role" value="" />
 3649: <a href=
 3650: "javascript:pjump('date_start','Start Date $plrole',document.cu.start_$protectedcourse\_$role.value,'start_$protectedcourse\_$role','cu.pres','dateset')">$lt->{'ssd'}</a></td>
 3651: <td><input type="hidden" name="end_$protectedcourse\_$role" value="" />
 3652: <a href=
 3653: "javascript:pjump('date_end','End Date $plrole',document.cu.end_$protectedcourse\_$role.value,'end_$protectedcourse\_$role','cu.pres','dateset')">$lt->{'sed'}</a></td>
 3654: ENDTIMEENTRY
 3655:     $row .= &Apache::loncommon::end_data_table_row();
 3656:     return $row;
 3657: }
 3658: 
 3659: sub course_level_dc {
 3660:     my ($dcdom) = @_;
 3661:     my %customroles=&Apache::lonuserutils::my_custom_roles();
 3662:     my @roles = &Apache::lonuserutils::roles_by_context('course');
 3663:     my $hiddenitems = '<input type="hidden" name="dcdomain" value="'.$dcdom.'" />'.
 3664:                       '<input type="hidden" name="origdom" value="'.$dcdom.'" />'.
 3665:                       '<input type="hidden" name="dccourse" value="" />';
 3666:     my $courseform='<b>'.&Apache::loncommon::selectcourse_link
 3667:             ('cu','dccourse','dcdomain','coursedesc',undef,undef,'Course').'</b>';
 3668:     my $cb_jscript = &Apache::loncommon::coursebrowser_javascript($dcdom,'currsec','cu');
 3669:     my %lt=&Apache::lonlocal::texthash(
 3670:                     'rol'  => "Role",
 3671:                     'grs'  => "Section",
 3672:                     'exs'  => "Existing sections",
 3673:                     'new'  => "Define new section", 
 3674:                     'sta'  => "Start",
 3675:                     'end'  => "End",
 3676:                     'ssd'  => "Set Start Date",
 3677:                     'sed'  => "Set End Date"
 3678:                   );
 3679:     my $header = '<h4>'.&mt('Course Level').'</h4>'.
 3680:                  &Apache::loncommon::start_data_table().
 3681:                  &Apache::loncommon::start_data_table_header_row().
 3682:                  '<th>'.$courseform.'</th><th>'.$lt{'rol'}.'</th><th>'.$lt{'grs'}.'</th><th>'.$lt{'sta'}.'</th><th>'.$lt{'end'}.'</th>'.
 3683:                  &Apache::loncommon::end_data_table_header_row();
 3684:     my $otheritems = &Apache::loncommon::start_data_table_row()."\n".
 3685:                      '<td><input type="text" name="coursedesc" value="" onFocus="this.blur();opencrsbrowser('."'cu','dccourse','dcdomain','coursedesc',''".')" /></td>'."\n".
 3686:                      '<td><select name="role">'."\n";
 3687:     foreach my $role (@roles) {
 3688:         my $plrole=&Apache::lonnet::plaintext($role);
 3689:         $otheritems .= '  <option value="'.$role.'">'.$plrole;
 3690:     }
 3691:     if ( keys %customroles > 0) {
 3692:         foreach my $cust (sort keys %customroles) {
 3693:             my $custrole='cr_cr_'.$env{'user.domain'}.
 3694:                     '_'.$env{'user.name'}.'_'.$cust;
 3695:             $otheritems .= '  <option value="'.$custrole.'">'.$cust;
 3696:         }
 3697:     }
 3698:     $otheritems .= '</select></td><td>'.
 3699:                      '<table border="0" cellspacing="0" cellpadding="0">'.
 3700:                      '<tr><td valign="top"><b>'.$lt{'exs'}.'</b><br /><select name="currsec">'.
 3701:                      ' <option value=""><--'.&mt('Pick course first').'</select></td>'.
 3702:                      '<td>&nbsp;&nbsp;</td>'.
 3703:                      '<td valign="top">&nbsp;<b>'.$lt{'new'}.'</b><br />'.
 3704:                      '<input type="text" name="newsec" value="" />'.
 3705:                      '<input type="hidden" name="sections" value="" />'.
 3706:                      '<input type="hidden" name="groups" value="" /></td>'.
 3707:                      '</tr></table></td>';
 3708:     $otheritems .= <<ENDTIMEENTRY;
 3709: <td><input type="hidden" name="start" value='' />
 3710: <a href=
 3711: "javascript:pjump('date_start','Start Date',document.cu.start.value,'start','cu.pres','dateset')">$lt{'ssd'}</a></td>
 3712: <td><input type="hidden" name="end" value='' />
 3713: <a href=
 3714: "javascript:pjump('date_end','End Date',document.cu.end.value,'end','cu.pres','dateset')">$lt{'sed'}</a></td>
 3715: ENDTIMEENTRY
 3716:     $otheritems .= &Apache::loncommon::end_data_table_row().
 3717:                    &Apache::loncommon::end_data_table()."\n";
 3718:     return $cb_jscript.$header.$hiddenitems.$otheritems;
 3719: }
 3720: 
 3721: #---------------------------------------------- end functions for &phase_two
 3722: 
 3723: #--------------------------------- functions for &phase_two and &phase_three
 3724: 
 3725: #--------------------------end of functions for &phase_two and &phase_three
 3726: 
 3727: 1;
 3728: __END__
 3729: 
 3730: 

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