File:  [LON-CAPA] / loncom / interface / loncreateuser.pm
Revision 1.119: download - view: text, annotated - select for diffs
Tue May 30 20:12:15 2006 UTC (18 years ago) by raeburn
Branches: MAIN
CVS tags: HEAD
Adding thin veneer to support "ANGEL-style" Discussion groups. "Select course" page modified to permit filtering based on course/group character.

    1: # The LearningOnline Network with CAPA
    2: # Create a user
    3: #
    4: # $Id: loncreateuser.pm,v 1.119 2006/05/30 20:12:15 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 lib '/home/httpd/lib/perl/';
   69: use LONCAPA;
   70: 
   71: my $loginscript; # piece of javascript used in two separate instances
   72: my $generalrule;
   73: my $authformnop;
   74: my $authformkrb;
   75: my $authformint;
   76: my $authformfsys;
   77: my $authformloc;
   78: 
   79: sub initialize_authen_forms {
   80:     my ($krbdefdom)=( $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/);
   81:     $krbdefdom= uc($krbdefdom);
   82:     my %param = ( formname => 'document.cu',
   83:                   kerb_def_dom => $krbdefdom 
   84:                   );
   85: # no longer static due to configurable kerberos defaults
   86: #    $loginscript  = &Apache::loncommon::authform_header(%param);
   87:     $generalrule  = &Apache::loncommon::authform_authorwarning(%param);
   88:     $authformnop  = &Apache::loncommon::authform_nochange(%param);
   89: # no longer static due to configurable kerberos defaults
   90: #    $authformkrb  = &Apache::loncommon::authform_kerberos(%param);
   91:     $authformint  = &Apache::loncommon::authform_internal(%param);
   92:     $authformfsys = &Apache::loncommon::authform_filesystem(%param);
   93:     $authformloc  = &Apache::loncommon::authform_local(%param);
   94: }
   95: 
   96: 
   97: # ======================================================= Existing Custom Roles
   98: 
   99: sub my_custom_roles {
  100:     my %returnhash=();
  101:     my %rolehash=&Apache::lonnet::dump('roles');
  102:     foreach (keys %rolehash) {
  103: 	if ($_=~/^rolesdef\_(\w+)$/) {
  104: 	    $returnhash{$1}=$1;
  105: 	}
  106:     }
  107:     return %returnhash;
  108: }
  109: 
  110: # ==================================================== Figure out author access
  111: 
  112: sub authorpriv {
  113:     my ($auname,$audom)=@_;
  114:     unless ((&Apache::lonnet::allowed('cca',$audom.'/'.$auname))
  115:          || (&Apache::lonnet::allowed('caa',$audom.'/'.$auname))) { return ''; }
  116:     return 1;
  117: }
  118: 
  119: # =================================================================== Phase one
  120: 
  121: sub print_username_entry_form {
  122:     my ($r) = @_;
  123:     my $defdom=$env{'request.role.domain'};
  124:     my @domains = &Apache::loncommon::get_domains();
  125:     my $domform = &Apache::loncommon::select_dom_form($defdom,'ccdomain');
  126:     my $selscript=&Apache::loncommon::studentbrowser_javascript();
  127:     my $start_page =
  128: 	&Apache::loncommon::start_page('Create Users, Change User Privileges',
  129: 				       $selscript);
  130: 
  131:     my $sellink=&Apache::loncommon::selectstudent_link
  132:                                         ('crtuser','ccuname','ccdomain');
  133:     my %existingroles=&my_custom_roles();
  134:     my $choice=&Apache::loncommon::select_form('make new role','rolename',
  135: 		('make new role' => 'Generate new role ...',%existingroles));
  136:     my %lt=&Apache::lonlocal::texthash(
  137: 		    'siur'   => "Set Individual User Roles",
  138: 		    'usr'  => "Username",
  139:                     'dom'  => "Domain",
  140:                     'usrr' => "User Roles",
  141:                     'ecrp' => "Edit Custom Role Privileges",
  142:                     'nr'   => "Name of Role",
  143:                     'cre'  => "Custom Role Editor"
  144: 				       );
  145:     my $help = &Apache::loncommon::help_open_menu('',undef,undef,'',282,'Instructor Interface');
  146:     my $helpsiur=&Apache::loncommon::help_open_topic('Course_Change_Privileges');
  147:     my $helpecpr=&Apache::loncommon::help_open_topic('Course_Editing_Custom_Roles');
  148:     $r->print(<<"ENDDOCUMENT");
  149: $start_page
  150: <form action="/adm/createuser" method="post" name="crtuser">
  151: <input type="hidden" name="phase" value="get_user_info">
  152: <h2>$lt{siur}$helpsiur</h2>
  153: <table>
  154: <tr><td>$lt{usr}:</td><td><input type="text" size="15" name="ccuname">
  155: </td><td rowspan="2">$sellink</td></tr><tr><td>
  156: $lt{'dom'}:</td><td>$domform</td></tr>
  157: </table>
  158: <input name="userrole" type="submit" value="$lt{usrr}" />
  159: </form>
  160: ENDDOCUMENT
  161:    if (&Apache::lonnet::allowed('mcr','/')) {
  162:        $r->print(<<ENDCUSTOM);
  163: <form action="/adm/createuser" method="post" name="docustom">
  164: <input type="hidden" name="phase" value="selected_custom_edit">
  165: <h2>$lt{'ecrp'}$helpecpr</h2>
  166: $lt{'nr'}: $choice <input type="text" size="15" name="newrolename" /><br />
  167: <input name="customeditor" type="submit" value="$lt{'cre'}" />
  168: </form>
  169: ENDCUSTOM
  170:     }
  171:     $r->print(&Apache::loncommon::end_page());
  172: }
  173: 
  174: 
  175: sub user_modification_js {
  176:     my ($pjump_def,$dc_setcourse_code,$nondc_setsection_code,$groupslist)=@_;
  177:     
  178:     return <<END;
  179: <script type="text/javascript" language="Javascript">
  180: 
  181:     function pclose() {
  182:         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
  183:                  "height=350,width=350,scrollbars=no,menubar=no");
  184:         parmwin.close();
  185:     }
  186: 
  187:     $pjump_def
  188:     $dc_setcourse_code
  189: 
  190:     function dateset() {
  191:         eval("document.cu."+document.cu.pres_marker.value+
  192:             ".value=document.cu.pres_value.value");
  193:         pclose();
  194:     }
  195: 
  196:     $nondc_setsection_code
  197: 
  198: </script>
  199: END
  200: }
  201: 
  202: # =================================================================== Phase two
  203: sub print_user_modification_page {
  204:     my $r=shift;
  205:     my $ccuname=$env{'form.ccuname'};
  206:     my $ccdomain=$env{'form.ccdomain'};
  207: 
  208:     $ccuname=~s/\W//g;
  209:     $ccdomain=~s/\W//g;
  210: 
  211:     unless (($ccuname) && ($ccdomain)) {
  212: 	&print_username_entry_form($r);
  213:         return;
  214:     }
  215: 
  216:     my $defdom=$env{'request.role.domain'};
  217: 
  218:     my ($krbdef,$krbdefdom) =
  219:        &Apache::loncommon::get_kerberos_defaults($defdom);
  220: 
  221:     my %param = ( formname => 'document.cu',
  222:                   kerb_def_dom => $krbdefdom,
  223:                   kerb_def_auth => $krbdef
  224:                   );
  225:     $loginscript  = &Apache::loncommon::authform_header(%param);
  226:     $authformkrb  = &Apache::loncommon::authform_kerberos(%param);
  227: 
  228:     $ccuname=~s/\W//g;
  229:     $ccdomain=~s/\W//g;
  230:     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
  231:     my $dc_setcourse_code = '';
  232:     my $nondc_setsection_code = '';                                        
  233: 
  234:     my %loaditem;
  235: 
  236:     my $groupslist;
  237:     my %curr_groups = &Apache::longroup::coursegroups();
  238:     if (%curr_groups) {
  239:         $groupslist = join('","',sort(keys(%curr_groups)));
  240:         $groupslist = '"'.$groupslist.'"';   
  241:     }
  242: 
  243:     if ($env{'request.role'} =~ m-^dc\./(\w+)/$-) {
  244:         my $dcdom = $1;
  245:         $loaditem{'onload'} = "document.cu.coursedesc.value='';";
  246:         my @rolevals = ('st','ta','ep','in','cc');
  247:         my (@crsroles,@grproles);
  248:         for (my $i=0; $i<@rolevals; $i++) {
  249:             $crsroles[$i]=&Apache::lonnet::plaintext($rolevals[$i]);
  250:             $grproles[$i]=&Apache::loncommon::convert_role($crsroles[$i],'Group');
  251:         }
  252:         my $rolevalslist = join('","',@rolevals);
  253:         my $crsrolenameslist = join('","',@crsroles);
  254:         my $grprolenameslist = join('","',@grproles);
  255:         my $pickcrsfirst = '<--'.&mt('Pick course first');
  256:         my $pickgrpfirst = '<--'.&mt('Pick group first'); 
  257:         $dc_setcourse_code = <<"ENDSCRIPT";
  258:     function setCourse() {
  259:         var course = document.cu.dccourse.value;
  260:         if (course != "") {
  261:             if (document.cu.dcdomain.value != document.cu.origdom.value) {
  262:                 alert("You must select a course in the current domain");
  263:                 return;
  264:             } 
  265:             var userrole = document.cu.role.options[document.cu.role.selectedIndex].value
  266:             var section="";
  267:             var numsections = 0;
  268:             var newsecs = new Array();
  269:             for (var i=0; i<document.cu.currsec.length; i++) {
  270:                 if (document.cu.currsec.options[i].selected == true ) {
  271:                     if (document.cu.currsec.options[i].value != "" && document.cu.currsec.options[i].value != null) { 
  272:                         if (numsections == 0) {
  273:                             section = document.cu.currsec.options[i].value
  274:                             numsections = 1;
  275:                         }
  276:                         else {
  277:                             section = section + "," +  document.cu.currsec.options[i].value
  278:                             numsections ++;
  279:                         }
  280:                     }
  281:                 }
  282:             }
  283:             if (document.cu.newsec.value != "" && document.cu.newsec.value != null) {
  284:                 if (numsections == 0) {
  285:                     section = document.cu.newsec.value
  286:                 }
  287:                 else {
  288:                     section = section + "," +  document.cu.newsec.value
  289:                 }
  290:                 newsecs = document.cu.newsec.value.split(/,/g);
  291:                 numsections = numsections + newsecs.length;
  292:             }
  293:             if ((userrole == 'st') && (numsections > 1)) {
  294:                 alert("In each course, each user may only have one student role at a time. You had selected "+numsections+" sections.\\nPlease modify your selections so they include no more than one section.")
  295:                 return;
  296:             }
  297:             for (var j=0; j<newsecs.length; j++) {
  298:                 if ((newsecs[j] == 'all') || (newsecs[j] == 'none')) {
  299:                     alert("'"+newsecs[j]+"' may not be used as the name for a section, as it is a reserved word.\\nPlease choose a different section name.");
  300:                     return;
  301:                 }
  302:                 if (document.cu.groups.value != '') {
  303:                     var groups = document.cu.groups.value.split(/,/g);
  304:                     for (var k=0; k<groups.length; k++) {
  305:                         if (newsecs[j] == groups[k]) {
  306:                             alert("'"+newsecs[j]+"' may not be used as the name for a section, as it is the name of a course group.\\nSection names and group names must be distinct. Please choose a different section name.");
  307:                             return; 
  308:                         }
  309:                     }
  310:                 }
  311:             }
  312:             if ((userrole == 'cc') && (numsections > 0)) {
  313:                 alert("Section designations do not apply to Course Coordinator roles.\\nA course coordinator role will be added with access to all sections.");
  314:                 section = "";
  315:             }
  316:             var numcourse = getIndex(document.cu.dccourse);
  317:             if (numcourse == "-1") {
  318:                 alert("There was a problem with your course selection");
  319:                 return
  320:             }
  321:             else { 
  322:                 var coursename = "_$dcdom"+"_"+course+"_"+userrole
  323:                 document.cu.elements[numcourse].name = "act"+coursename
  324:                 document.cu.elements[numcourse+5].name = "sec"+coursename
  325:                 document.cu.elements[numcourse+5].value = section
  326:                 document.cu.elements[numcourse+7].name = "start"+coursename
  327:                 document.cu.elements[numcourse+8].name = "end"+coursename
  328:             }
  329:         }
  330:         document.cu.submit();
  331:     }
  332: 
  333:     function getIndex(caller) {
  334:         for (var i=0;i<document.cu.elements.length;i++) {
  335:             if (document.cu.elements[i] == caller) {
  336:                 return i;
  337:             }
  338:         }
  339:         return -1;
  340:     }
  341: 
  342:     function setType() {
  343:         var crstype = document.cu.crstype.options[document.cu.crstype.selectedIndex].value;
  344:         rolevals = new Array("$rolevalslist");
  345:         if (crstype == 'Group') {
  346:             if (document.cu.currsec.options[0].text == "$pickcrsfirst") {
  347:                 document.cu.currsec.options[0].text = "$pickgrpfirst";
  348:             } 
  349:             grprolenames = new Array("$grprolenameslist");
  350:             for (var i=0; i<rolevals.length; i++) {
  351:                 if (document.cu.role.selectedIndex == i) {
  352:                     document.cu.role.options[i] = new Option(grprolenames[i],rolevals[i],true,false);
  353:                 } else {
  354:                     document.cu.role.options[i] = new Option(grprolenames[i],rolevals[i],false,false);
  355:                 }
  356:             }
  357:         } else {
  358:             if (document.cu.currsec.options[0].text == "$pickgrpfirst") {
  359:                 document.cu.currsec.options[0].text = "$pickcrsfirst";
  360:             }
  361:             crsrolenames = new Array("$crsrolenameslist");
  362:             for (var i=0; i<rolevals.length; i++) {
  363:                 if (document.cu.role.selectedIndex == i) {
  364:                     document.cu.role.options[i] = new Option(crsrolenames[i],rolevals[i],true,false);
  365:                 } else {
  366:                     document.cu.role.options[i] = new Option(crsrolenames[i],rolevals[i],false,false);
  367:                 }
  368:             }
  369:         }
  370:     }
  371: ENDSCRIPT
  372:     } else {
  373:         $nondc_setsection_code = <<"ENDSECCODE";
  374:     function setSections() {
  375:         var re1 = /^currsec_/;
  376:         var groups = new Array($groupslist);
  377:         for (var i=0;i<document.cu.elements.length;i++) {
  378:             var str = document.cu.elements[i].name;
  379:             var checkcurr = str.match(re1);
  380:             if (checkcurr != null) {
  381:                 var re2 = /^currsec_[a-zA-Z0-9]+_[a-zA-Z0-9]+_(\\w+)\$/;
  382:                 if (document.cu.elements[i-1].checked == true) {
  383:                     var re2 = /^currsec_[a-zA-Z0-9]+_[a-zA-Z0-9]+_(\\w+)\$/;
  384:                     match = re2.exec(str);
  385:                     var role = match[1];
  386:                     if (role == 'cc') {
  387:                         alert("Section designations do not apply to Course Coordinator roles.\\nA course coordinator role will be added with access to all sections.");
  388:                     }
  389:                     else {
  390:                         var sections = '';
  391:                         var numsec = 0;
  392:                         var sections;
  393:                         for (var j=0; j<document.cu.elements[i].length; j++) {
  394:                             if (document.cu.elements[i].options[j].selected == true ) {
  395:                                 if (document.cu.elements[i].options[j].value != "") {
  396:                                     if (numsec == 0) {
  397:                                         if (document.cu.elements[i].options[j].value != "") {
  398:                                             sections = document.cu.elements[i].options[j].value;
  399:                                             numsec ++;
  400:                                         }
  401:                                     }
  402:                                     else {
  403:                                         sections = sections + "," +  document.cu.elements[i].options[j].value
  404:                                         numsec ++;
  405:                                     }
  406:                                 }
  407:                             }
  408:                         }
  409:                         if (numsec > 0) {
  410:                             if (document.cu.elements[i+1].value != "" && document.cu.elements[i+1].value != null) {
  411:                                 sections = sections + "," +  document.cu.elements[i+1].value;
  412:                             }
  413:                         }
  414:                         else {
  415:                             sections = document.cu.elements[i+1].value;
  416:                         }
  417:                         var newsecs = document.cu.elements[i+1].value;
  418:                         if (newsecs != null && newsecs != "") {
  419:                             var numsplit = newsecs.split(/,/g);
  420:                             numsec = numsec + numsplit.length;
  421:                         }
  422:                         if ((role == 'st') && (numsec > 1)) {
  423:                             alert("In each course, each user may only have one student role at a time. You had selected "+numsec+" sections.\\nPlease modify your selections so they include no more than one section.")
  424:                             return;
  425:                         }
  426:                         else {
  427:                             for (var j=0; j<numsplit.length; j++) {
  428:                                 if ((numsplit[j] == 'all') ||
  429:                                     (numsplit[j] == 'none')) {
  430:                                     alert("'"+numsplit[j]+"' may not be used as the name for a section, as it is a reserved word.\\nPlease choose a different section name.");
  431:                                     return;
  432:                                 }
  433:                                 for (var k=0; k<groups.length; k++) {
  434:                                     if (numsplit[j] == groups[k]) {
  435:                                         alert("'"+numsplit[j]+"' may not be used as a section name, as it is the name of a course group.\\nSection names and group names must be distinct. Please choose a different section name.");
  436:                                         return;
  437:                                     }
  438:                                 }
  439:                             }
  440:                             document.cu.elements[i+2].value = sections;
  441:                         }
  442:                     }
  443:                 }
  444:             }
  445:         }
  446:         document.cu.submit();
  447:     }
  448: ENDSECCODE
  449:     }
  450:     my $js = &user_modification_js($pjump_def,$dc_setcourse_code,
  451:                                    $nondc_setsection_code,$groupslist);
  452:     my $start_page = 
  453: 	&Apache::loncommon::start_page('Create Users, Change User Privileges',
  454: 				       $js,{'add_entries' => \%loaditem,});
  455: 
  456:     my $forminfo =<<"ENDFORMINFO";
  457: <form action="/adm/createuser" method="post" name="cu">
  458: <input type="hidden" name="phase"       value="update_user_data">
  459: <input type="hidden" name="ccuname"     value="$ccuname">
  460: <input type="hidden" name="ccdomain"    value="$ccdomain">
  461: <input type="hidden" name="pres_value"  value="" >
  462: <input type="hidden" name="pres_type"   value="" >
  463: <input type="hidden" name="pres_marker" value="" >
  464: ENDFORMINFO
  465:     my $uhome=&Apache::lonnet::homeserver($ccuname,$ccdomain);
  466:     my %incdomains; 
  467:     my %inccourses;
  468:     foreach (values(%Apache::lonnet::hostdom)) {
  469:        $incdomains{$_}=1;
  470:     }
  471:     foreach (keys(%env)) {
  472: 	if ($_=~/^user\.priv\.cm\.\/(\w+)\/(\w+)/) {
  473: 	    $inccourses{$1.'_'.$2}=1;
  474:         }
  475:     }
  476:     if ($uhome eq 'no_host') {
  477:         my $home_server_list=
  478:             '<option value="default" selected>default</option>'."\n".
  479:                 &Apache::loncommon::home_server_option_list($ccdomain);
  480:         
  481: 	my %lt=&Apache::lonlocal::texthash(
  482:                     'cnu'  => "Create New User",
  483:                     'nu'   => "New User",
  484:                     'id'   => "in domain",
  485:                     'pd'   => "Personal Data",
  486:                     'fn'   => "First Name",
  487:                     'mn'   => "Middle Name",
  488:                     'ln'   => "Last Name",
  489:                     'gen'  => "Generation",
  490:                     'idsn' => "ID/Student Number",
  491:                     'hs'   => "Home Server",
  492:                     'lg'   => "Login Data"
  493: 				       );
  494: 	my $genhelp=&Apache::loncommon::help_open_topic('Generation');
  495:         &initialize_authen_forms();
  496: 	$r->print(<<ENDNEWUSER);
  497: $start_page
  498: <h1>$lt{'cnu'}</h1>
  499: $forminfo
  500: <h2>$lt{'nu'} "$ccuname" $lt{'id'} $ccdomain</h2>
  501: <script type="text/javascript" language="Javascript">
  502: $loginscript
  503: </script>
  504: <input type='hidden' name='makeuser' value='1' />
  505: <h3>$lt{'pd'}</h3>
  506: <p>
  507: <table>
  508: <tr><td>$lt{'fn'}  </td>
  509:     <td><input type='text' name='cfirst'  size='15' /></td></tr>
  510: <tr><td>$lt{'mn'} </td> 
  511:     <td><input type='text' name='cmiddle' size='15' /></td></tr>
  512: <tr><td>$lt{'ln'}   </td>
  513:     <td><input type='text' name='clast'   size='15' /></td></tr>
  514: <tr><td>$lt{'gen'}$genhelp</td>
  515:     <td><input type='text' name='cgen'    size='5'  /></td></tr>
  516: </table>
  517: $lt{'idsn'} <input type='text' name='cstid'   size='15' /></p>
  518: $lt{'hs'}: <select name="hserver" size="1"> $home_server_list </select>
  519: <hr />
  520: <h3>$lt{'lg'}</h3>
  521: <p>$generalrule </p>
  522: <p>$authformkrb </p>
  523: <p>$authformint </p>
  524: <p>$authformfsys</p>
  525: <p>$authformloc </p>
  526: ENDNEWUSER
  527:     } else { # user already exists
  528: 	my %lt=&Apache::lonlocal::texthash(
  529:                     'cup'  => "Change User Privileges",
  530:                     'usr'  => "User",                    
  531:                     'id'   => "in domain",
  532:                     'fn'   => "first name",
  533:                     'mn'   => "middle name",
  534:                     'ln'   => "last name",
  535:                     'gen'  => "generation"
  536: 				       );
  537: 	$r->print(<<ENDCHANGEUSER);
  538: $start_page
  539: <h1>$lt{'cup'}</h1>
  540: $forminfo
  541: <h2>$lt{'usr'} "$ccuname" $lt{'id'} "$ccdomain"</h2>
  542: ENDCHANGEUSER
  543:         # Get the users information
  544:         my %userenv = &Apache::lonnet::get('environment',
  545:                           ['firstname','middlename','lastname','generation'],
  546:                           $ccdomain,$ccuname);
  547:         my %rolesdump=&Apache::lonnet::dump('roles',$ccdomain,$ccuname);
  548:         $r->print(<<END);
  549: <hr />
  550: <table border="2">
  551: <tr>
  552: <th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th>
  553: </tr>
  554: <tr>
  555: END
  556:         foreach ('firstname','middlename','lastname','generation') {
  557:            if (&Apache::lonnet::allowed('mau',$ccdomain)) {
  558:               $r->print(<<"END");            
  559: <td><input type="text" name="c$_" value="$userenv{$_}" size="15" /></td>
  560: END
  561:            } else {
  562:                $r->print('<td>'.$userenv{$_}.'</td>');
  563:            }
  564:         }
  565:       $r->print(<<END);
  566: </tr>
  567: </table>
  568: END
  569:         # Build up table of user roles to allow revocation of a role.
  570:         my ($tmp) = keys(%rolesdump);
  571:         unless ($tmp =~ /^(con_lost|error)/i) {
  572:            my $now=time;
  573: 	   my %lt=&Apache::lonlocal::texthash(
  574: 		    'rer'  => "Revoke Existing Roles",
  575:                     'rev'  => "Revoke",                    
  576:                     'del'  => "Delete",
  577: 		    'ren'  => "Re-Enable",
  578:                     'rol'  => "Role",
  579:                     'ext'  => "Extent",
  580:                     'sta'  => "Start",
  581:                     'end'  => "End"
  582: 				       );
  583:            my (%roletext,%sortrole,%roleclass,%rolepriv);
  584: 	   foreach my $area (sort { my $a1=join('_',(split('_',$a))[1,0]);
  585: 				    my $b1=join('_',(split('_',$b))[1,0]);
  586: 				    return $a1 cmp $b1;
  587: 				} keys(%rolesdump)) {
  588:                next if ($area =~ /^rolesdef/);
  589: 	       my $envkey=$area;
  590:                my $role = $rolesdump{$area};
  591:                my $thisrole=$area;
  592:                $area =~ s/\_\w\w$//;
  593:                my ($role_code,$role_end_time,$role_start_time) = 
  594:                    split(/_/,$role);
  595: # Is this a custom role? Get role owner and title.
  596: 	       my ($croleudom,$croleuname,$croletitle)=
  597: 	           ($role_code=~/^cr\/(\w+)\/(\w+)\/(\w+)$/);
  598:                my $bgcol='ffffff';
  599:                my $allowed=0;
  600:                my $delallowed=0;
  601: 	       my $sortkey=$role_code;
  602: 	       my $class='Unknown';
  603:                if ($area =~ /^\/(\w+)\/(\d\w+)/ ) {
  604: 		   $class='Course';
  605:                    my ($coursedom,$coursedir) = ($1,$2);
  606: 		   $sortkey.="\0$1";
  607:                    # $1.'_'.$2 is the course id (eg. 103_12345abcef103l3).
  608:                    my %coursedata=
  609:                        &Apache::lonnet::coursedescription($1.'_'.$2);
  610: 		   my $carea;
  611: 		   if (defined($coursedata{'description'})) {
  612: 		       $carea=$coursedata{'description'}.
  613:                            '<br />'.&mt('Domain').': '.$coursedom.('&nbsp;'x8).
  614:      &Apache::loncommon::syllabuswrapper('Syllabus',$coursedir,$coursedom);
  615: 		       $sortkey.="\0".$coursedata{'description'};
  616:                        $class=$coursedata{'type'};
  617: 		   } else {
  618: 		       $carea=&mt('Unavailable course').': '.$area;
  619: 		       $sortkey.="\0".&mt('Unavailable course').': '.$area;
  620: 		   }
  621:                    $inccourses{$1.'_'.$2}=1;
  622:                    if ((&Apache::lonnet::allowed('c'.$role_code,$1.'/'.$2)) ||
  623:                        (&Apache::lonnet::allowed('c'.$role_code,$ccdomain))) {
  624:                        $allowed=1;
  625:                    }
  626:                    if ((&Apache::lonnet::allowed('dro',$1)) ||
  627:                        (&Apache::lonnet::allowed('dro',$ccdomain))) {
  628:                        $delallowed=1;
  629:                    }
  630: # - custom role. Needs more info, too
  631: 		   if ($croletitle) {
  632: 		       if (&Apache::lonnet::allowed('ccr',$1.'/'.$2)) {
  633: 			   $allowed=1;
  634: 			   $thisrole.='.'.$role_code;
  635: 		       }
  636: 		   }
  637:                    # Compute the background color based on $area
  638:                    $bgcol=$1.'_'.$2;
  639:                    $bgcol=~s/[^7-9a-e]//g;
  640:                    $bgcol=substr($bgcol.$bgcol.$bgcol.'ffffff',2,6);
  641:                    if ($area=~/^\/(\w+)\/(\d\w+)\/(\w+)/) {
  642:                        $carea.='<br />Section: '.$3;
  643: 		       $sortkey.="\0$3";
  644:                    }
  645:                    $area=$carea;
  646:                } else {
  647: 		   $sortkey.="\0".$area;
  648:                    # Determine if current user is able to revoke privileges
  649:                    if ($area=~ /^\/(\w+)\//) {
  650:                        if ((&Apache::lonnet::allowed('c'.$role_code,$1)) ||
  651:                        (&Apache::lonnet::allowed('c'.$role_code,$ccdomain))) {
  652:                            $allowed=1;
  653:                        }
  654:                        if (((&Apache::lonnet::allowed('dro',$1))  ||
  655:                             (&Apache::lonnet::allowed('dro',$ccdomain))) &&
  656:                            ($role_code ne 'dc')) {
  657:                            $delallowed=1;
  658:                        }
  659:                    } else {
  660:                        if (&Apache::lonnet::allowed('c'.$role_code,'/')) {
  661:                            $allowed=1;
  662:                        }
  663:                    }
  664: 		   if ($role_code eq 'ca' || $role_code eq 'au') {
  665: 		       $class='Construction Space';
  666: 		   } elsif ($role_code eq 'su') {
  667: 		       $class='System';
  668: 		   } else {
  669: 		       $class='Domain';
  670: 		   }
  671:                }
  672:                if (($role_code eq 'ca') || ($role_code eq 'aa')) {
  673:                    $area=~/\/(\w+)\/(\w+)/;
  674: 		   if (&authorpriv($2,$1)) {
  675: 		       $allowed=1;
  676:                    } else {
  677:                        $allowed=0;
  678:                    }
  679:                }
  680: 	       $bgcol='77FF77';
  681:                my $row = '';
  682:                $row.='<tr bgcolor="#'.$bgcol.'"><td>';
  683:                my $active=1;
  684:                $active=0 if (($role_end_time) && ($now>$role_end_time));
  685:                if (($active) && ($allowed)) {
  686:                    $row.= '<input type="checkbox" name="rev:'.$thisrole.'">';
  687:                } else {
  688:                    if ($active) {
  689:                       $row.='&nbsp;';
  690: 		   } else {
  691:                       $row.=&mt('expired or revoked');
  692: 		   }
  693:                }
  694: 	       $row.='</td><td>';
  695:                if ($allowed && !$active) {
  696:                    $row.= '<input type="checkbox" name="ren:'.$thisrole.'">';
  697:                } else {
  698:                    $row.='&nbsp;';
  699:                }
  700: 	       $row.='</td><td>';
  701:                if ($delallowed) {
  702:                    $row.= '<input type="checkbox" name="del:'.$thisrole.'">';
  703:                } else {
  704:                    $row.='&nbsp;';
  705:                }
  706: 	       my $plaintext='';
  707: 	       unless ($croletitle) {
  708: 		   $plaintext=&Apache::lonnet::plaintext($role_code);
  709:                    if ($class eq 'Group') {
  710:                        $plaintext = &Apache::loncommon::convert_role($plaintext,$class);
  711:                    }
  712: 	       } else {
  713: 	           $plaintext=
  714: 		"Customrole '$croletitle' defined by $croleuname\@$croleudom";
  715: 	       }
  716:                $row.= '</td><td>'.$plaintext.
  717:                       '</td><td>'.$area.
  718:                       '</td><td>'.($role_start_time?localtime($role_start_time)
  719:                                                    : '&nbsp;' ).
  720:                       '</td><td>'.($role_end_time  ?localtime($role_end_time)
  721:                                                    : '&nbsp;' )
  722:                       ."</td></tr>\n";
  723: 	       $sortrole{$sortkey}=$envkey;
  724: 	       $roletext{$envkey}=$row;
  725: 	       $roleclass{$envkey}=$class;
  726:                $rolepriv{$envkey}=$allowed;
  727:                #$r->print($row);
  728:            } # end of foreach        (table building loop)
  729:            my $rolesdisplay = 0;
  730:            my %output = ();
  731: 	   foreach my $type ('Construction Space','Course','Group','Domain','System','Unknown') {
  732: 	       $output{$type} = '';
  733: 	       foreach my $which (sort {uc($a) cmp uc($b)} (keys(%sortrole))) {
  734: 		   if ( ($roleclass{$sortrole{$which}} =~ /^\Q$type\E/ ) && ($rolepriv{$sortrole{$which}}) ) { 
  735: 		       $output{$type}.=$roletext{$sortrole{$which}};
  736: 		   }
  737: 	       }
  738: 	       unless($output{$type} eq '') {
  739: 		   $output{$type} = "<tr bgcolor='#BBffBB'>".
  740: 			     "<td align='center' colspan='7'>".&mt($type)."</td>".
  741:                               $output{$type};
  742:                    $rolesdisplay = 1;
  743: 	       }
  744: 	   }
  745:            if ($rolesdisplay == 1) {
  746:                $r->print(<<END);
  747: <hr />
  748: <h3>$lt{'rer'}</h3>
  749: <table>
  750: <tr><th>$lt{'rev'}</th><th>$lt{'ren'}</th><th>$lt{'del'}</th><th>$lt{'rol'}</th><th>$lt{'e
  751: xt'}</th><th>$lt{'sta'}</th><th>$lt{'end'}</th>
  752: END
  753:                foreach my $type ('Construction Space','Course','Group','Domain','System','Unknown') {
  754:                    if ($output{$type}) {
  755:                        $r->print($output{$type}."\n");
  756:                    }
  757:                }
  758: 	       $r->print('</table>');
  759:            }
  760:         }  # End of unless
  761: 	my $currentauth=&Apache::lonnet::queryauthenticate($ccuname,$ccdomain);
  762: 	if ($currentauth=~/^krb(4|5):/) {
  763: 	    $currentauth=~/^krb(4|5):(.*)/;
  764: 	    my $krbdefdom=$2;
  765:             my %param = ( formname => 'document.cu',
  766:                           kerb_def_dom => $krbdefdom 
  767:                           );
  768:             $loginscript  = &Apache::loncommon::authform_header(%param);
  769: 	}
  770: 	# Check for a bad authentication type
  771:         unless ($currentauth=~/^krb(4|5):/ or
  772: 		$currentauth=~/^unix:/ or
  773: 		$currentauth=~/^internal:/ or
  774: 		$currentauth=~/^localauth:/
  775: 		) { # bad authentication scheme
  776: 	    if (&Apache::lonnet::allowed('mau',$env{'request.role.domain'})) {
  777:                 &initialize_authen_forms();
  778: 		my %lt=&Apache::lonlocal::texthash(
  779:                                'err'   => "ERROR",
  780: 			       'uuas'  => "This user has an unrecognized authentication scheme",
  781:                                'sldb'  => "Please specify login data below",
  782:                                'ld'    => "Login Data"
  783: 						   );
  784: 		$r->print(<<ENDBADAUTH);
  785: <hr />
  786: <script type="text/javascript" language="Javascript">
  787: $loginscript
  788: </script>
  789: <font color='#ff0000'>$lt{'err'}:</font>
  790: $lt{'uuas'} ($currentauth). $lt{'sldb'}.
  791: <h3>$lt{'ld'}</h3>
  792: <p>$generalrule</p>
  793: <p>$authformkrb</p>
  794: <p>$authformint</p>
  795: <p>$authformfsys</p>
  796: <p>$authformloc</p>
  797: ENDBADAUTH
  798:             } else { 
  799:                 # This user is not allowed to modify the users 
  800:                 # authentication scheme, so just notify them of the problem
  801: 		my %lt=&Apache::lonlocal::texthash(
  802:                                'err'   => "ERROR",
  803: 			       'uuas'  => "This user has an unrecognized authentication scheme",
  804:                                'adcs'  => "Please alert a domain coordinator of this situation"
  805: 						   );
  806: 		$r->print(<<ENDBADAUTH);
  807: <hr />
  808: <script type="text/javascript" language="Javascript">
  809: $loginscript
  810: </script>
  811: <font color="#ff0000"> $lt{'err'}: </font>
  812: $lt{'uuas'} ($currentauth). $lt{'adcs'}.
  813: <hr />
  814: ENDBADAUTH
  815:             }
  816:         } else { # Authentication type is valid
  817: 	    my $authformcurrent='';
  818: 	    my $authform_other='';
  819:             &initialize_authen_forms();
  820: 	    if ($currentauth=~/^krb(4|5):/) {
  821: 		$authformcurrent=$authformkrb;
  822: 		$authform_other="<p>$authformint</p>\n".
  823:                     "<p>$authformfsys</p><p>$authformloc</p>";
  824: 	    }
  825: 	    elsif ($currentauth=~/^internal:/) {
  826: 		$authformcurrent=$authformint;
  827: 		$authform_other="<p>$authformkrb</p>".
  828:                     "<p>$authformfsys</p><p>$authformloc</p>";
  829: 	    }
  830: 	    elsif ($currentauth=~/^unix:/) {
  831: 		$authformcurrent=$authformfsys;
  832: 		$authform_other="<p>$authformkrb</p>".
  833:                     "<p>$authformint</p><p>$authformloc;</p>";
  834: 	    }
  835: 	    elsif ($currentauth=~/^localauth:/) {
  836: 		$authformcurrent=$authformloc;
  837: 		$authform_other="<p>$authformkrb</p>".
  838:                     "<p>$authformint</p><p>$authformfsys</p>";
  839: 	    }
  840:             $authformcurrent.=' <i>(will override current values)</i><br />';
  841:             if (&Apache::lonnet::allowed('mau',$env{'request.role.domain'})) {
  842: 		# Current user has login modification privileges
  843: 		my %lt=&Apache::lonlocal::texthash(
  844:                                'ccld'  => "Change Current Login Data",
  845: 			       'enld'  => "Enter New Login Data"
  846: 						   );
  847: 		$r->print(<<ENDOTHERAUTHS);
  848: <hr />
  849: <script type="text/javascript" language="Javascript">
  850: $loginscript
  851: </script>
  852: <h3>$lt{'ccld'}</h3>
  853: <p>$generalrule</p>
  854: <p>$authformnop</p>
  855: <p>$authformcurrent</p>
  856: <h3>$lt{'enld'}</h3>
  857: $authform_other
  858: ENDOTHERAUTHS
  859:             }
  860:         }  ## End of "check for bad authentication type" logic
  861:     } ## End of new user/old user logic
  862:     $r->print('<hr /><h3>'.&mt('Add Roles').'</h3>');
  863: #
  864: # Co-Author
  865: # 
  866:     if (&authorpriv($env{'user.name'},$env{'request.role.domain'}) &&
  867:         ($env{'user.name'} ne $ccuname || $env{'user.domain'} ne $ccdomain)) {
  868:         # No sense in assigning co-author role to yourself
  869: 	my $cuname=$env{'user.name'};
  870:         my $cudom=$env{'request.role.domain'};
  871: 	   my %lt=&Apache::lonlocal::texthash(
  872: 		    'cs'   => "Construction Space",
  873:                     'act'  => "Activate",                    
  874:                     'rol'  => "Role",
  875:                     'ext'  => "Extent",
  876:                     'sta'  => "Start",
  877:                     'end'  => "End",
  878:                     'cau'  => "Co-Author",
  879:                     'caa'  => "Assistant Co-Author",
  880:                     'ssd'  => "Set Start Date",
  881:                     'sed'  => "Set End Date"
  882: 				       );
  883:        $r->print(<<ENDCOAUTH);
  884: <h4>$lt{'cs'}</h4>
  885: <table border=2><tr><th>$lt{'act'}</th><th>$lt{'rol'}</th><th>$lt{'ext'}</th>
  886: <th>$lt{'sta'}</th><th>$lt{'end'}</th></tr>
  887: <tr>
  888: <td><input type=checkbox name="act_$cudom\_$cuname\_ca" /></td>
  889: <td>$lt{'cau'}</td>
  890: <td>$cudom\_$cuname</td>
  891: <td><input type=hidden name="start_$cudom\_$cuname\_ca" value='' />
  892: <a href=
  893: "javascript:pjump('date_start','Start Date Co-Author',document.cu.start_$cudom\_$cuname\_ca.value,'start_$cudom\_$cuname\_ca','cu.pres','dateset')">$lt{'ssd'}</a></td>
  894: <td><input type=hidden name="end_$cudom\_$cuname\_ca" value='' />
  895: <a href=
  896: "javascript:pjump('date_end','End Date Co-Author',document.cu.end_$cudom\_$cuname\_ca.value,'end_$cudom\_$cuname\_ca','cu.pres','dateset')">$lt{'sed'}</a></td>
  897: </tr>
  898: <tr>
  899: <td><input type=checkbox name="act_$cudom\_$cuname\_aa" /></td>
  900: <td>$lt{'caa'}</td>
  901: <td>$cudom\_$cuname</td>
  902: <td><input type=hidden name="start_$cudom\_$cuname\_aa" value='' />
  903: <a href=
  904: "javascript:pjump('date_start','Start Date Assistant Co-Author',document.cu.start_$cudom\_$cuname\_aa.value,'start_$cudom\_$cuname\_aa','cu.pres','dateset')">$lt{'ssd'}</a></td>
  905: <td><input type=hidden name="end_$cudom\_$cuname\_aa" value='' />
  906: <a href=
  907: "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>
  908: </tr>
  909: </table>
  910: ENDCOAUTH
  911:     }
  912: #
  913: # Domain level
  914: #
  915:     my $num_domain_level = 0;
  916:     my $domaintext = 
  917:     '<h4>'.&mt('Domain Level').'</h4>'.
  918:     '<table border=2><tr><th>'.&mt('Activate').'</th><th>'.&mt('Role').'</th><th>'.&mt('Extent').'</th>'.
  919:     '<th>'.&mt('Start').'</th><th>'.&mt('End').'</th></tr>';
  920:     foreach ( sort( keys(%incdomains))) {
  921: 	my $thisdomain=$_;
  922:         foreach ('dc','li','dg','au','sc') {
  923:             if (&Apache::lonnet::allowed('c'.$_,$thisdomain)) {
  924:                my $plrole=&Apache::lonnet::plaintext($_);
  925: 	       my %lt=&Apache::lonlocal::texthash(
  926:                     'ssd'  => "Set Start Date",
  927:                     'sed'  => "Set End Date"
  928: 				       );
  929:                $num_domain_level ++;
  930:                $domaintext .= <<"ENDDROW";
  931: <tr>
  932: <td><input type=checkbox name="act_$thisdomain\_$_"></td>
  933: <td>$plrole</td>
  934: <td>$thisdomain</td>
  935: <td><input type=hidden name="start_$thisdomain\_$_" value=''>
  936: <a href=
  937: "javascript:pjump('date_start','Start Date $plrole',document.cu.start_$thisdomain\_$_.value,'start_$thisdomain\_$_','cu.pres','dateset')">$lt{'ssd'}</a></td>
  938: <td><input type=hidden name="end_$thisdomain\_$_" value=''>
  939: <a href=
  940: "javascript:pjump('date_end','End Date $plrole',document.cu.end_$thisdomain\_$_.value,'end_$thisdomain\_$_','cu.pres','dateset')">$lt{'sed'}</a></td>
  941: </tr>
  942: ENDDROW
  943:             }
  944:         } 
  945:     }
  946:     $domaintext.='</table>';
  947:     if ($num_domain_level > 0) {
  948:         $r->print($domaintext);
  949:     }
  950: #
  951: # Course and group levels
  952: #
  953: 
  954:     if ($env{'request.role'} =~ m-^dc\./(\w+)/$-) {
  955:         $r->print(&course_level_dc($1,'Course'));
  956:         $r->print('<hr /><input type="button" value="'.&mt('Modify User').'" onClick="setCourse()">'."\n");
  957:     } else {
  958:         $r->print(&course_level_table(%inccourses));
  959:         $r->print('<hr /><input type="button" value="'.&mt('Modify User').'" onClick="setSections()">'."\n");
  960:     }
  961:     $r->print("</form>".&Apache::loncommon::end_page());
  962: }
  963: 
  964: # ================================================================= Phase Three
  965: sub update_user_data {
  966:     my $r=shift;
  967:     my $uhome=&Apache::lonnet::homeserver($env{'form.ccuname'},
  968:                                           $env{'form.ccdomain'});
  969:     # Error messages
  970:     my $error     = '<font color="#ff0000">'.&mt('Error').':</font>';
  971:     my $end       = &Apache::loncommon::end_page();
  972: 
  973:     my $title;
  974:     if (exists($env{'form.makeuser'})) {
  975: 	$title='Set Privileges for New User';
  976:     } else {
  977:         $title='Modify User Privileges';
  978:     }
  979:     $r->print(&Apache::loncommon::start_page($title));
  980:     my %disallowed;
  981:     # Check Inputs
  982:     if (! $env{'form.ccuname'} ) {
  983: 	$r->print($error.&mt('No login name specified').'.'.$end);
  984: 	return;
  985:     }
  986:     if (  $env{'form.ccuname'}  =~/\W/) {
  987: 	$r->print($error.&mt('Invalid login name').'.  '.
  988: 		  &mt('Only letters, numbers, and underscores are valid').'.'.
  989: 		  $end);
  990: 	return;
  991:     }
  992:     if (! $env{'form.ccdomain'}       ) {
  993: 	$r->print($error.&mt('No domain specified').'.'.$end);
  994: 	return;
  995:     }
  996:     if (  $env{'form.ccdomain'} =~/\W/) {
  997: 	$r->print($error.&mt ('Invalid domain name').'.  '.
  998: 		  &mt('Only letters, numbers, and underscores are valid').'.'.
  999: 		  $end);
 1000: 	return;
 1001:     }
 1002:     if (! exists($env{'form.makeuser'})) {
 1003:         # Modifying an existing user, so check the validity of the name
 1004:         if ($uhome eq 'no_host') {
 1005:             $r->print($error.&mt('Unable to determine home server for ').
 1006:                       $env{'form.ccuname'}.&mt(' in domain ').
 1007:                       $env{'form.ccdomain'}.'.');
 1008:             return;
 1009:         }
 1010:     }
 1011:     # Determine authentication method and password for the user being modified
 1012:     my $amode='';
 1013:     my $genpwd='';
 1014:     if ($env{'form.login'} eq 'krb') {
 1015: 	$amode='krb';
 1016: 	$amode.=$env{'form.krbver'};
 1017: 	$genpwd=$env{'form.krbarg'};
 1018:     } elsif ($env{'form.login'} eq 'int') {
 1019: 	$amode='internal';
 1020: 	$genpwd=$env{'form.intarg'};
 1021:     } elsif ($env{'form.login'} eq 'fsys') {
 1022: 	$amode='unix';
 1023: 	$genpwd=$env{'form.fsysarg'};
 1024:     } elsif ($env{'form.login'} eq 'loc') {
 1025: 	$amode='localauth';
 1026: 	$genpwd=$env{'form.locarg'};
 1027: 	$genpwd=" " if (!$genpwd);
 1028:     } elsif (($env{'form.login'} eq 'nochange') ||
 1029:              ($env{'form.login'} eq ''        )) { 
 1030:         # There is no need to tell the user we did not change what they
 1031:         # did not ask us to change.
 1032:         # If they are creating a new user but have not specified login
 1033:         # information this will be caught below.
 1034:     } else {
 1035: 	    $r->print($error.&mt('Invalid login mode or password').$end);    
 1036: 	    return;
 1037:     }
 1038:     if ($env{'form.makeuser'}) {
 1039:         # Create a new user
 1040: 	my %lt=&Apache::lonlocal::texthash(
 1041:                     'cru'  => "Creating user",                    
 1042:                     'id'   => "in domain"
 1043: 					   );
 1044: 	$r->print(<<ENDNEWUSERHEAD);
 1045: <h3>$lt{'cru'} "$env{'form.ccuname'}" $lt{'id'} "$env{'form.ccdomain'}"</h3>
 1046: ENDNEWUSERHEAD
 1047:         # Check for the authentication mode and password
 1048:         if (! $amode || ! $genpwd) {
 1049: 	    $r->print($error.&mt('Invalid login mode or password').$end);    
 1050: 	    return;
 1051: 	}
 1052:         # Determine desired host
 1053:         my $desiredhost = $env{'form.hserver'};
 1054:         if (lc($desiredhost) eq 'default') {
 1055:             $desiredhost = undef;
 1056:         } else {
 1057:             my %home_servers = &Apache::loncommon::get_library_servers
 1058:                 ($env{'form.ccdomain'});  
 1059:             if (! exists($home_servers{$desiredhost})) {
 1060:                 $r->print($error.&mt('Invalid home server specified'));
 1061:                 return;
 1062:             }
 1063:         }
 1064: 	# Call modifyuser
 1065: 	my $result = &Apache::lonnet::modifyuser
 1066: 	    ($env{'form.ccdomain'},$env{'form.ccuname'},$env{'form.cstid'},
 1067:              $amode,$genpwd,$env{'form.cfirst'},
 1068:              $env{'form.cmiddle'},$env{'form.clast'},$env{'form.cgen'},
 1069:              undef,$desiredhost
 1070: 	     );
 1071: 	$r->print(&mt('Generating user').': '.$result);
 1072:         my $home = &Apache::lonnet::homeserver($env{'form.ccuname'},
 1073:                                                $env{'form.ccdomain'});
 1074:         $r->print('<br />'.&mt('Home server').': '.$home.' '.
 1075:                   $Apache::lonnet::libserv{$home});
 1076:     } elsif (($env{'form.login'} ne 'nochange') &&
 1077:              ($env{'form.login'} ne ''        )) {
 1078: 	# Modify user privileges
 1079:     my %lt=&Apache::lonlocal::texthash(
 1080:                     'usr'  => "User",                    
 1081:                     'id'   => "in domain"
 1082: 				       );
 1083: 	$r->print(<<ENDMODIFYUSERHEAD);
 1084: <h2>$lt{'usr'} "$env{'form.ccuname'}" $lt{'id'} "$env{'form.ccdomain'}"</h2>
 1085: ENDMODIFYUSERHEAD
 1086:         if (! $amode || ! $genpwd) {
 1087: 	    $r->print($error.'Invalid login mode or password'.$end);    
 1088: 	    return;
 1089: 	}
 1090: 	# Only allow authentification modification if the person has authority
 1091: 	if (&Apache::lonnet::allowed('mau',$env{'form.ccdomain'})) {
 1092: 	    $r->print('Modifying authentication: '.
 1093:                       &Apache::lonnet::modifyuserauth(
 1094: 		       $env{'form.ccdomain'},$env{'form.ccuname'},
 1095:                        $amode,$genpwd));
 1096:             $r->print('<br />'.&mt('Home server').': '.&Apache::lonnet::homeserver
 1097: 		  ($env{'form.ccuname'},$env{'form.ccdomain'}));
 1098: 	} else {
 1099: 	    # Okay, this is a non-fatal error.
 1100: 	    $r->print($error.&mt('You do not have the authority to modify this users authentification information').'.');    
 1101: 	}
 1102:     }
 1103:     ##
 1104:     if (! $env{'form.makeuser'} ) {
 1105:         # Check for need to change
 1106:         my %userenv = &Apache::lonnet::get
 1107:             ('environment',['firstname','middlename','lastname','generation'],
 1108:              $env{'form.ccdomain'},$env{'form.ccuname'});
 1109:         my ($tmp) = keys(%userenv);
 1110:         if ($tmp =~ /^(con_lost|error)/i) { 
 1111:             %userenv = ();
 1112:         }
 1113:         # Check to see if we need to change user information
 1114:         foreach ('firstname','middlename','lastname','generation') {
 1115:             # Strip leading and trailing whitespace
 1116:             $env{'form.c'.$_} =~ s/(\s+$|^\s+)//g; 
 1117:         }
 1118:         if (&Apache::lonnet::allowed('mau',$env{'form.ccdomain'}) && 
 1119:             ($env{'form.cfirstname'}  ne $userenv{'firstname'}  ||
 1120:              $env{'form.cmiddlename'} ne $userenv{'middlename'} ||
 1121:              $env{'form.clastname'}   ne $userenv{'lastname'}   ||
 1122:              $env{'form.cgeneration'} ne $userenv{'generation'} )) {
 1123:             # Make the change
 1124:             my %changeHash;
 1125:             $changeHash{'firstname'}  = $env{'form.cfirstname'};
 1126:             $changeHash{'middlename'} = $env{'form.cmiddlename'};
 1127:             $changeHash{'lastname'}   = $env{'form.clastname'};
 1128:             $changeHash{'generation'} = $env{'form.cgeneration'};
 1129:             my $putresult = &Apache::lonnet::put
 1130:                 ('environment',\%changeHash,
 1131:                  $env{'form.ccdomain'},$env{'form.ccuname'});
 1132:             if ($putresult eq 'ok') {
 1133:             # Tell the user we changed the name
 1134: 		my %lt=&Apache::lonlocal::texthash(
 1135:                              'uic'  => "User Information Changed",             
 1136:                              'frst' => "first",
 1137:                              'mddl' => "middle",
 1138:                              'lst'  => "last",
 1139: 			     'gen'  => "generation",
 1140:                              'prvs' => "Previous",
 1141:                              'chto' => "Changed To"
 1142: 						   );
 1143:                 $r->print(<<"END");
 1144: <table border="2">
 1145: <caption>$lt{'uic'}</caption>
 1146: <tr><th>&nbsp;</th>
 1147:     <th>$lt{'frst'}</th>
 1148:     <th>$lt{'mddl'}</th>
 1149:     <th>$lt{'lst'}</th>
 1150:     <th>$lt{'gen'}</th></tr>
 1151: <tr><td>$lt{'prvs'}</td>
 1152:     <td>$userenv{'firstname'}  </td>
 1153:     <td>$userenv{'middlename'} </td>
 1154:     <td>$userenv{'lastname'}   </td>
 1155:     <td>$userenv{'generation'} </td></tr>
 1156: <tr><td>$lt{'chto'}</td>
 1157:     <td>$env{'form.cfirstname'}  </td>
 1158:     <td>$env{'form.cmiddlename'} </td>
 1159:     <td>$env{'form.clastname'}   </td>
 1160:     <td>$env{'form.cgeneration'} </td></tr>
 1161: </table>
 1162: END
 1163:             } else { # error occurred
 1164:                 $r->print("<h2>".&mt('Unable to successfully change environment for')." ".
 1165:                       $env{'form.ccuname'}." ".&mt('in domain')." ".
 1166:                       $env{'form.ccdomain'}."</h2>");
 1167:             }
 1168:         }  else { # End of if ($env ... ) logic
 1169:             # They did not want to change the users name but we can
 1170:             # still tell them what the name is
 1171: 	    my %lt=&Apache::lonlocal::texthash(
 1172:                            'usr'  => "User",                    
 1173:                            'id'   => "in domain",
 1174:                            'gen'  => "Generation"
 1175: 					       );
 1176:                 $r->print(<<"END");
 1177: <h2>$lt{'usr'} "$env{'form.ccuname'}" $lt{'id'} "$env{'form.ccdomain'}"</h2>
 1178: <h4>$userenv{'firstname'} $userenv{'middlename'} $userenv{'lastname'} </h4>
 1179: <h4>$lt{'gen'}: $userenv{'generation'}</h4>
 1180: END
 1181:         }
 1182:     }
 1183:     ##
 1184:     my $now=time;
 1185:     $r->print('<h3>'.&mt('Modifying Roles').'</h3>');
 1186:     foreach (keys (%env)) {
 1187: 	next if (! $env{$_});
 1188: 	# Revoke roles
 1189: 	if ($_=~/^form\.rev/) {
 1190: 	    if ($_=~/^form\.rev\:([^\_]+)\_([^\_\.]+)$/) {
 1191: # Revoke standard role
 1192: 	        $r->print(&mt('Revoking').' '.$2.' in '.$1.': <b>'.
 1193:                      &Apache::lonnet::revokerole($env{'form.ccdomain'},
 1194:                      $env{'form.ccuname'},$1,$2).'</b><br />');
 1195: 		if ($2 eq 'st') {
 1196: 		    $1=~/^\/(\w+)\/(\w+)/;
 1197: 		    my $cid=$1.'_'.$2;
 1198: 		    $r->print(&mt('Drop from classlist').': <b>'.
 1199: 			 &Apache::lonnet::critical('put:'.
 1200:                              $env{'course.'.$cid.'.domain'}.':'.
 1201: 	                     $env{'course.'.$cid.'.num'}.':classlist:'.
 1202:                          &escape($env{'form.ccuname'}.':'.
 1203:                              $env{'form.ccdomain'}).'='.
 1204:                          &escape($now.':'),
 1205: 	                     $env{'course.'.$cid.'.home'}).'</b><br />');
 1206: 		}
 1207: 	    } 
 1208: 	    if ($_=~/^form\.rev\:([^\_]+)\_cr\.cr\/(\w+)\/(\w+)\/(\w+)$/) {
 1209: # Revoke custom role
 1210: 		$r->print(&mt('Revoking custom role:').
 1211:                       ' '.$4.' by '.$3.'@'.$2.' in '.$1.': <b>'.
 1212:                       &Apache::lonnet::revokecustomrole($env{'form.ccdomain'},
 1213: 				  $env{'form.ccuname'},$1,$2,$3,$4).
 1214: 		'</b><br />');
 1215: 	    }
 1216: 	} elsif ($_=~/^form\.del/) {
 1217: 	    if ($_=~/^form\.del\:([^\_]+)\_([^\_\.]+)$/) {
 1218: # Delete standard role
 1219: 	        $r->print(&mt('Deleting').' '.$2.' in '.$1.': '.
 1220:                      &Apache::lonnet::assignrole($env{'form.ccdomain'},
 1221:                      $env{'form.ccuname'},$1,$2,$now,0,1).'<br />');
 1222: 		if ($2 eq 'st') {
 1223: 		    $1=~/^\/(\w+)\/(\w+)/;
 1224: 		    my $cid=$1.'_'.$2;
 1225: 		    $r->print(&mt('Drop from classlist').': <b>'.
 1226: 			 &Apache::lonnet::critical('put:'.
 1227:                              $env{'course.'.$cid.'.domain'}.':'.
 1228: 	                     $env{'course.'.$cid.'.num'}.':classlist:'.
 1229:                          &escape($env{'form.ccuname'}.':'.
 1230:                              $env{'form.ccdomain'}).'='.
 1231:                          &escape($now.':'),
 1232: 	                     $env{'course.'.$cid.'.home'}).'</b><br />');
 1233: 		}
 1234:             }
 1235:             if ($_=~/^form\.del\:([^\_]+)\_cr\.cr\/(\w+)\/(\w+)\/(\w+)$/) {
 1236:                 my ($url,$rdom,$rnam,$rolename) = ($1,$2,$3,$4);
 1237: # Delete custom role
 1238:                 $r->print(&mt('Deleting custom role [_1] by [_2]@[_3] in [_4]',
 1239:                       $rolename,$rnam,$rdom,$url).': <b>'.
 1240:                       &Apache::lonnet::assigncustomrole($env{'form.ccdomain'},
 1241:                          $env{'form.ccuname'},$url,$rdom,$rnam,$rolename,$now,
 1242:                          0,1).'</b><br />');
 1243:             }
 1244: 	} elsif ($_=~/^form\.ren/) {
 1245:             my $udom = $env{'form.ccdomain'};
 1246:             my $uname = $env{'form.ccuname'};
 1247: # Re-enable standard role
 1248: 	    if ($_=~/^form\.ren\:([^\_]+)\_([^\_\.]+)$/) {
 1249:                 my $url = $1;
 1250:                 my $role = $2;
 1251:                 my $logmsg;
 1252:                 my $output;
 1253:                 if ($role eq 'st') {
 1254:                     if ($url =~ m-^/(\w+)/(\w+)/?(\w*)$-) {
 1255:                         my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$role,$now,0,$1,$2,$3);
 1256:                         if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) {
 1257:                             $output = "Error: $result\n";
 1258:                         } else {
 1259:                             $output = &mt('Assigning').' '.$role.' in '.$url.
 1260:                                       &mt('starting').' '.localtime($now).
 1261:                                       ': <br />'.$logmsg.'<br />'.
 1262:                                       &mt('Add to classlist').': <b>ok</b><br />';
 1263:                         }
 1264:                     }
 1265:                 } else {
 1266: 		    my $result=&Apache::lonnet::assignrole($env{'form.ccdomain'},
 1267:                                $env{'form.ccuname'},$url,$role,0,$now);
 1268: 		    $output = &mt('Re-enabling [_1] in [_2]: <b>[_3]</b>',
 1269: 			      $role,$url,$result).'<br />';
 1270: 		}
 1271:                 $r->print($output);
 1272: 	    }
 1273: # Re-enable custom role
 1274:             if ($_=~/^form\.ren\:([^\_]+)\_cr\.cr\/(\w+)\/(\w+)\/(\w+)$/) {
 1275:                 my ($url,$rdom,$rnam,$rolename) = ($1,$2,$3,$4);
 1276:                 my $result = &Apache::lonnet::assigncustomrole(
 1277:                                $env{'form.ccdomain'}, $env{'form.ccuname'},
 1278:                                $url,$rdom,$rnam,$rolename,0,$now);
 1279:                 $r->print(&mt('Re-enabling custom role [_1] by [_2]@[_3] in [_4] : <b>[_5]</b>',
 1280:                           $rolename,$rnam,$rdom,$url,$result).'<br />');
 1281:             }
 1282: 	} elsif ($_=~/^form\.act/) {
 1283:             my $udom = $env{'form.ccdomain'};
 1284:             my $uname = $env{'form.ccuname'};
 1285: 	    if ($_=~/^form\.act\_([^\_]+)\_([^\_]+)\_cr_cr_([^\_]+)_(\w+)_([^\_]+)$/) {
 1286:                 # Activate a custom role
 1287: 		my ($one,$two,$three,$four,$five)=($1,$2,$3,$4,$5);
 1288: 		my $url='/'.$one.'/'.$two;
 1289: 		my $full=$one.'_'.$two.'_cr_cr_'.$three.'_'.$four.'_'.$five;
 1290: 
 1291:                 my $start = ( $env{'form.start_'.$full} ?
 1292:                               $env{'form.start_'.$full} :
 1293:                               $now );
 1294:                 my $end   = ( $env{'form.end_'.$full} ?
 1295:                               $env{'form.end_'.$full} :
 1296:                               0 );
 1297:                                                                                      
 1298:                 # split multiple sections
 1299:                 my %sections = ();
 1300:                 my $num_sections = &build_roles($env{'form.sec_'.$full},\%sections,$5);
 1301:                 if ($num_sections == 0) {
 1302:                     $r->print(&commit_customrole($udom,$uname,$url,$three,$four,$five,$start,$end));
 1303:                 } else {
 1304: 		    my %curr_groups =
 1305: 			&Apache::longroup::coursegroups($one,$two);
 1306:                     foreach my $sec (sort {$a cmp $b} keys %sections) {
 1307:                         if (($sec eq 'none') || ($sec eq 'all') || 
 1308:                             exists($curr_groups{$sec})) {
 1309:                             $disallowed{$sec} = $url;
 1310:                             next;
 1311:                         }
 1312:                         my $securl = $url.'/'.$sec;
 1313: 		        $r->print(&commit_customrole($udom,$uname,$securl,$three,$four,$five,$start,$end));
 1314:                     }
 1315:                 }
 1316: 	    } elsif ($_=~/^form\.act\_([^\_]+)\_(\w+)\_([^\_]+)$/) {
 1317: 		# Activate roles for sections with 3 id numbers
 1318: 		# set start, end times, and the url for the class
 1319: 		my ($one,$two,$three)=($1,$2,$3);
 1320: 		my $start = ( $env{'form.start_'.$one.'_'.$two.'_'.$three} ? 
 1321: 			      $env{'form.start_'.$one.'_'.$two.'_'.$three} : 
 1322: 			      $now );
 1323: 		my $end   = ( $env{'form.end_'.$one.'_'.$two.'_'.$three} ? 
 1324: 			      $env{'form.end_'.$one.'_'.$two.'_'.$three} :
 1325: 			      0 );
 1326: 		my $url='/'.$one.'/'.$two;
 1327:                 my $type = 'three';
 1328:                 # split multiple sections
 1329:                 my %sections = ();
 1330:                 my $num_sections = &build_roles($env{'form.sec_'.$one.'_'.$two.'_'.$three},\%sections,$three);
 1331:                 if ($num_sections == 0) {
 1332:                     $r->print(&commit_standardrole($udom,$uname,$url,$three,$start,$end,$one,$two,''));
 1333:                 } else {
 1334:                     my %curr_groups = 
 1335: 			&Apache::longroup::coursegroups($one,$two);
 1336:                     my $emptysec = 0;
 1337:                     foreach my $sec (sort {$a cmp $b} keys %sections) {
 1338:                         $sec =~ s/\W//g;
 1339:                         if ($sec ne '') {
 1340:                             if (($sec eq 'none') || ($sec eq 'all') || 
 1341:                                 exists($curr_groups{$sec})) {
 1342:                                 $disallowed{$sec} = $url;
 1343:                                 next;
 1344:                             }
 1345:                             my $securl = $url.'/'.$sec;
 1346:                             $r->print(&commit_standardrole($udom,$uname,$securl,$three,$start,$end,$one,$two,$sec));
 1347:                         } else {
 1348:                             $emptysec = 1;
 1349:                         }
 1350:                     }
 1351:                     if ($emptysec) {
 1352:                         $r->print(&commit_standardrole($udom,$uname,$url,$three,$start,$end,$one,$two,''));
 1353:                     }
 1354:                 } 
 1355: 	    } elsif ($_=~/^form\.act\_([^\_]+)\_([^\_]+)$/) {
 1356: 		# Activate roles for sections with two id numbers
 1357: 		# set start, end times, and the url for the class
 1358: 		my $start = ( $env{'form.start_'.$1.'_'.$2} ? 
 1359: 			      $env{'form.start_'.$1.'_'.$2} : 
 1360: 			      $now );
 1361: 		my $end   = ( $env{'form.end_'.$1.'_'.$2} ? 
 1362: 			      $env{'form.end_'.$1.'_'.$2} :
 1363: 			      0 );
 1364: 		my $url='/'.$1.'/';
 1365:                 # split multiple sections
 1366:                 my %sections = ();
 1367:                 my $num_sections = &build_roles($env{'form.sec_'.$1.'_'.$2},\%sections,$2);
 1368:                 if ($num_sections == 0) {
 1369:                     $r->print(&commit_standardrole($udom,$uname,$url,$2,$start,$end,$1,undef,''));
 1370:                 } else {
 1371:                     my $emptysec = 0;
 1372:                     foreach my $sec (sort {$a cmp $b} keys %sections) {
 1373:                         if ($sec ne '') {
 1374:                             my $securl = $url.'/'.$sec;
 1375:                             $r->print(&commit_standardrole($udom,$uname,$securl,$2,$start,$end,$1,undef,$sec));
 1376:                         } else {
 1377:                             $emptysec = 1;
 1378:                         }
 1379:                     }
 1380:                     if ($emptysec) {
 1381:                         $r->print(&commit_standardrole($udom,$uname,$url,$2,$start,$end,$1,undef,''));
 1382:                     }
 1383:                 }
 1384: 	    } else {
 1385: 		$r->print('<p>'.&mt('ERROR').': '.&mt('Unknown command').' <tt>'.$_.'</tt></p><br />');
 1386:             }
 1387:             foreach my $key (sort(keys(%disallowed))) {
 1388:                 if (($key eq 'none') || ($key eq 'all')) {  
 1389:                     $r->print('<p>'.&mt('[_1] may not be used as the name for a section, as it is a reserved word.',$key));
 1390:                 } else {
 1391:                     $r->print('<p>'.&mt('[_1] may not be used as the name for a section, as it is the name of a course group.',$key));
 1392:                 }
 1393:                 $r->print(' '.&mt('Please <a href="javascript:history.go(-1)">go back</a> and choose a different section name.').'</p><br />');
 1394:             }
 1395: 	}
 1396:     } # End of foreach (keys(%env))
 1397: # Flush the course logs so reverse user roles immediately updated
 1398:     &Apache::lonnet::flushcourselogs();
 1399:     $r->print('<p><a href="/adm/createuser">Create/Modify Another User</a></p>');
 1400:     $r->print(&Apache::loncommon::end_page());
 1401: }
 1402: 
 1403: sub commit_customrole {
 1404:     my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;
 1405:     my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url.
 1406:                          ($start?', '.&mt('starting').' '.localtime($start):'').
 1407:                          ($end?', ending '.localtime($end):'').': <b>'.
 1408:               &Apache::lonnet::assigncustomrole(
 1409:                  $udom,$uname,$url,$three,$four,$five,$end,$start).
 1410:                  '</b><br />';
 1411:     return $output;
 1412: }
 1413: 
 1414: sub commit_standardrole {
 1415:     my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
 1416:     my $output;
 1417:     my $logmsg;
 1418:     if ($three eq 'st') {
 1419:         my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec);
 1420:         if (($result =~ /^error/) || ($result eq 'not_in_class') || ($result eq 'unknown_course')) {
 1421:             $output = "Error: $result\n"; 
 1422:         } else {
 1423:             $output = &mt('Assigning').' '.$three.' in '.$url.
 1424:                ($start?', '.&mt('starting').' '.localtime($start):'').
 1425:                ($end?', '.&mt('ending').' '.localtime($end):'').
 1426:                ': <b>'.$result.'</b><br />'.
 1427:                &mt('Add to classlist').': <b>ok</b><br />';
 1428:         }
 1429:     } else {
 1430:         $output = &mt('Assigning').' '.$three.' in '.$url.
 1431:                ($start?', '.&mt('starting').' '.localtime($start):'').
 1432:                ($end?', '.&mt('ending').' '.localtime($end):'').': <b>'.
 1433:                &Apache::lonnet::assignrole(
 1434:                    $udom,$uname,$url,$three,$end,$start).
 1435:                    '</b><br />';
 1436:     }
 1437:     return $output;
 1438: }
 1439: 
 1440: sub commit_studentrole {
 1441:     my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec) = @_;
 1442:     my $linefeed =  '<br />'."\n";
 1443:     my $result;
 1444:     if (defined($one) && defined($two)) {
 1445:         my $cid=$one.'_'.$two;
 1446:         my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
 1447:         my $secchange = 0;
 1448:         my $expire_role_result;
 1449:         my $modify_section_result;
 1450:         unless ($oldsec eq '-1') {
 1451:             unless ($sec eq $oldsec) {
 1452:                 $secchange = 1;
 1453:                 my $uurl='/'.$cid;
 1454:                 $uurl=~s/\_/\//g;
 1455:                 if ($oldsec) {
 1456:                     $uurl.='/'.$oldsec;
 1457:                 }
 1458:                 $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time);
 1459:                 $result = $expire_role_result;
 1460:             }
 1461:         }
 1462:         if (($expire_role_result eq 'ok') || ($secchange == 0)) {
 1463:             $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);
 1464:             if ($modify_section_result =~ /^ok/) {
 1465:                 if ($secchange == 1) {
 1466:                     $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed;
 1467:                 } elsif ($oldsec eq '-1') {
 1468:                     $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed;
 1469:                 } else {
 1470:                     $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed;
 1471:                 }
 1472:             } else {
 1473:                 $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed;
 1474:             }
 1475:             $result = $modify_section_result;
 1476:         } elsif ($secchange == 1) {
 1477:             $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed;
 1478:         }
 1479:     } else {
 1480:         $$logmsg .= "Incomplete course id defined.  Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed";
 1481:         $result = "error: incomplete course id\n";
 1482:     }
 1483:     return $result;
 1484: }
 1485: 
 1486: sub build_roles {
 1487:     my ($sectionstr,$sections,$role) = @_;
 1488:     my $num_sections = 0;
 1489:     if ($sectionstr=~ /,/) {
 1490:         my @secnums = split/,/,$sectionstr;
 1491:         if ($role eq 'st') {
 1492:             $secnums[0] =~ s/\W//g;
 1493:             $$sections{$secnums[0]} = 1;
 1494:             $num_sections = 1;
 1495:         } else {
 1496:             foreach my $sec (@secnums) {
 1497:                 $sec =~ ~s/\W//g;
 1498:                 unless ($sec eq "") {
 1499:                     if (exists($$sections{$sec})) {
 1500:                         $$sections{$sec} ++;
 1501:                     } else {
 1502:                         $$sections{$sec} = 1;
 1503:                         $num_sections ++;
 1504:                     }
 1505:                 }
 1506:             }
 1507:         }
 1508:     } else {
 1509:         $sectionstr=~s/\W//g;
 1510:         unless ($sectionstr eq '') {
 1511:             $$sections{$sectionstr} = 1;
 1512:             $num_sections ++;
 1513:         }
 1514:     }
 1515:                                                                                      
 1516:     return $num_sections;
 1517: }
 1518: 
 1519: # ========================================================== Custom Role Editor
 1520: 
 1521: sub custom_role_editor {
 1522:     my $r=shift;
 1523:     my $rolename=$env{'form.rolename'};
 1524: 
 1525:     if ($rolename eq 'make new role') {
 1526: 	$rolename=$env{'form.newrolename'};
 1527:     }
 1528: 
 1529:     $rolename=~s/[^A-Za-z0-9]//gs;
 1530: 
 1531:     unless ($rolename) {
 1532: 	&print_username_entry_form($r);
 1533:         return;
 1534:     }
 1535: 
 1536:     $r->print(&Apache::loncommon::start_page('Custom Role Editor'));
 1537:     my $syspriv='';
 1538:     my $dompriv='';
 1539:     my $coursepriv='';
 1540:     my ($rdummy,$roledef)=
 1541: 			 &Apache::lonnet::get('roles',["rolesdef_$rolename"]);
 1542: # ------------------------------------------------------- Does this role exist?
 1543:     $r->print('<h2>');
 1544:     if (($rdummy ne 'con_lost') && ($roledef ne '')) {
 1545: 	$r->print(&mt('Existing Role').' "');
 1546: # ------------------------------------------------- Get current role privileges
 1547: 	($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef);
 1548:     } else {
 1549: 	$r->print(&mt('New Role').' "');
 1550: 	$roledef='';
 1551:     }
 1552:     $r->print($rolename.'"</h2>');
 1553: # ------------------------------------------------------- What can be assigned?
 1554:     my %full=();
 1555:     my %courselevel=();
 1556:     my %courselevelcurrent=();
 1557:     foreach (split(/\:/,$Apache::lonnet::pr{'cr:c'})) {
 1558: 	my ($priv,$restrict)=split(/\&/,$_);
 1559:         unless ($restrict) { $restrict='F'; }
 1560:         $courselevel{$priv}=$restrict;
 1561:         if ($coursepriv=~/\:$priv/) {
 1562: 	    $courselevelcurrent{$priv}=1;
 1563: 	}
 1564: 	$full{$priv}=1;
 1565:     }
 1566:     my %domainlevel=();
 1567:     my %domainlevelcurrent=();
 1568:     foreach (split(/\:/,$Apache::lonnet::pr{'cr:d'})) {
 1569: 	my ($priv,$restrict)=split(/\&/,$_);
 1570:         unless ($restrict) { $restrict='F'; }
 1571:         $domainlevel{$priv}=$restrict;
 1572:         if ($dompriv=~/\:$priv/) {
 1573: 	    $domainlevelcurrent{$priv}=1;
 1574: 	}
 1575: 	$full{$priv}=1;
 1576:     }
 1577:     my %systemlevel=();
 1578:     my %systemlevelcurrent=();
 1579:     foreach (split(/\:/,$Apache::lonnet::pr{'cr:s'})) {
 1580: 	my ($priv,$restrict)=split(/\&/,$_);
 1581:         unless ($restrict) { $restrict='F'; }
 1582:         $systemlevel{$priv}=$restrict;
 1583:         if ($syspriv=~/\:$priv/) {
 1584: 	    $systemlevelcurrent{$priv}=1;
 1585: 	}
 1586: 	$full{$priv}=1;
 1587:     }
 1588:     my %lt=&Apache::lonlocal::texthash(
 1589: 		    'prv'  => "Privilege",
 1590: 		    'crl'  => "Course/Group Level",
 1591:                     'dml'  => "Domain Level",
 1592:                     'ssl'  => "System Level"
 1593: 				       );
 1594:     $r->print(<<ENDCCF);
 1595: <form method="post">
 1596: <input type="hidden" name="phase" value="set_custom_roles" />
 1597: <input type="hidden" name="rolename" value="$rolename" />
 1598: <table border="2">
 1599: <tr><th>$lt{'prv'}</th><th>$lt{'crl'}</th><th>$lt{'dml'}</th>
 1600: <th>$lt{'ssl'}</th></tr>
 1601: ENDCCF
 1602:     foreach my $priv (sort keys %full) {
 1603:         my $privtext = &Apache::lonnet::plaintext($priv);
 1604:         if ($env{'course.'.$env{'request.course.id'}.'.type'}) {
 1605:             $privtext =~ s/Student/Member/;
 1606:             $privtext =~ s/student/member/;
 1607:             $privtext =~ s/course/group/;
 1608:         } 
 1609: 	$r->print('<tr><td>'.$privtext.'</td><td>'.
 1610:     ($courselevel{$priv}?'<input type="checkbox" name="'.$priv.':c" '.
 1611:     ($courselevelcurrent{$priv}?'checked="1"':'').' />':'&nbsp;').
 1612:     '</td><td>'.
 1613:     ($domainlevel{$priv}?'<input type="checkbox" name="'.$priv.':d" '.
 1614:     ($domainlevelcurrent{$priv}?'checked="1"':'').' />':'&nbsp;').
 1615:     '</td><td>'.
 1616:     ($systemlevel{$priv}?'<input type="checkbox" name="'.$priv.':s" '.
 1617:     ($systemlevelcurrent{$priv}?'checked="1"':'').' />':'&nbsp;').
 1618:     '</td></tr>');
 1619:     }
 1620:     $r->print(
 1621:    '<table><input type="submit" value="'.&mt('Define Role').'" /></form>'.
 1622: 	      &Apache::loncommon::end_page());
 1623: }
 1624: 
 1625: # ---------------------------------------------------------- Call to definerole
 1626: sub set_custom_role {
 1627:     my ($r) = @_;
 1628: 
 1629:     my $rolename=$env{'form.rolename'};
 1630: 
 1631:     $rolename=~s/[^A-Za-z0-9]//gs;
 1632: 
 1633:     unless ($rolename) {
 1634: 	&print_username_entry_form($r);
 1635:         return;
 1636:     }
 1637: 
 1638:     $r->print(&Apache::loncommon::start_page('Save Custom Role').'<h2>');
 1639:     my ($rdummy,$roledef)=
 1640: 	&Apache::lonnet::get('roles',["rolesdef_$rolename"]);
 1641: 
 1642: # ------------------------------------------------------- Does this role exist?
 1643:     if (($rdummy ne 'con_lost') && ($roledef ne '')) {
 1644: 	$r->print(&mt('Existing Role').' "');
 1645:     } else {
 1646: 	$r->print(&mt('New Role').' "');
 1647: 	$roledef='';
 1648:     }
 1649:     $r->print($rolename.'"</h2>');
 1650: # ------------------------------------------------------- What can be assigned?
 1651:     my $sysrole='';
 1652:     my $domrole='';
 1653:     my $courole='';
 1654: 
 1655:     foreach (split(/\:/,$Apache::lonnet::pr{'cr:c'})) {
 1656: 	my ($priv,$restrict)=split(/\&/,$_);
 1657:         unless ($restrict) { $restrict=''; }
 1658:         if ($env{'form.'.$priv.':c'}) {
 1659: 	    $courole.=':'.$_;
 1660: 	}
 1661:     }
 1662: 
 1663:     foreach (split(/\:/,$Apache::lonnet::pr{'cr:d'})) {
 1664: 	my ($priv,$restrict)=split(/\&/,$_);
 1665:         unless ($restrict) { $restrict=''; }
 1666:         if ($env{'form.'.$priv.':d'}) {
 1667: 	    $domrole.=':'.$_;
 1668: 	}
 1669:     }
 1670: 
 1671:     foreach (split(/\:/,$Apache::lonnet::pr{'cr:s'})) {
 1672: 	my ($priv,$restrict)=split(/\&/,$_);
 1673:         unless ($restrict) { $restrict=''; }
 1674:         if ($env{'form.'.$priv.':s'}) {
 1675: 	    $sysrole.=':'.$_;
 1676: 	}
 1677:     }
 1678:     $r->print('<br />Defining Role: '.
 1679: 	   &Apache::lonnet::definerole($rolename,$sysrole,$domrole,$courole));
 1680:     if ($env{'request.course.id'}) {
 1681:         my $url='/'.$env{'request.course.id'};
 1682:         $url=~s/\_/\//g;
 1683: 	$r->print('<br />'.&mt('Assigning Role to Self').': '.
 1684: 	      &Apache::lonnet::assigncustomrole($env{'user.domain'},
 1685: 						$env{'user.name'},
 1686: 						$url,
 1687: 						$env{'user.domain'},
 1688: 						$env{'user.name'},
 1689: 						$rolename));
 1690:     }
 1691:     $r->print('<p><a href="/adm/createuser">Create another role, or Create/Modify a user.</a></p>');
 1692:     $r->print(&Apache::loncommon::end_page());
 1693: }
 1694: 
 1695: # ================================================================ Main Handler
 1696: sub handler {
 1697:     my $r = shift;
 1698: 
 1699:     if ($r->header_only) {
 1700:        &Apache::loncommon::content_type($r,'text/html');
 1701:        $r->send_http_header;
 1702:        return OK;
 1703:     }
 1704: 
 1705:     if ((&Apache::lonnet::allowed('cta',$env{'request.course.id'})) ||
 1706:         (&Apache::lonnet::allowed('cin',$env{'request.course.id'})) || 
 1707:         (&Apache::lonnet::allowed('ccr',$env{'request.course.id'})) || 
 1708:         (&Apache::lonnet::allowed('cep',$env{'request.course.id'})) ||
 1709: 	(&authorpriv($env{'user.name'},$env{'request.role.domain'})) ||
 1710:         (&Apache::lonnet::allowed('mau',$env{'request.role.domain'}))) {
 1711:        &Apache::loncommon::content_type($r,'text/html');
 1712:        $r->send_http_header;
 1713:        unless ($env{'form.phase'}) {
 1714: 	   &print_username_entry_form($r);
 1715:        }
 1716:        if ($env{'form.phase'} eq 'get_user_info') {
 1717:            &print_user_modification_page($r);
 1718:        } elsif ($env{'form.phase'} eq 'update_user_data') {
 1719:            &update_user_data($r);
 1720:        } elsif ($env{'form.phase'} eq 'selected_custom_edit') {
 1721:            &custom_role_editor($r);
 1722:        } elsif ($env{'form.phase'} eq 'set_custom_roles') {
 1723: 	   &set_custom_role($r);
 1724:        }
 1725:    } else {
 1726:       $env{'user.error.msg'}=
 1727:         "/adm/createuser:mau:0:0:Cannot modify user data";
 1728:       return HTTP_NOT_ACCEPTABLE; 
 1729:    }
 1730:    return OK;
 1731: } 
 1732: 
 1733: #-------------------------------------------------- functions for &phase_two
 1734: sub course_level_table {
 1735:     my (%inccourses) = @_;
 1736:     my $table = '';
 1737: # Custom Roles?
 1738: 
 1739:     my %customroles=&my_custom_roles();
 1740:     my %lt=&Apache::lonlocal::texthash(
 1741:             'exs'  => "Existing sections",
 1742:             'new'  => "Define new section",
 1743:             'ssd'  => "Set Start Date",
 1744:             'sed'  => "Set End Date",
 1745:             'crl'  => "Course/Group Level",
 1746:             'act'  => "Activate",
 1747:             'rol'  => "Role",
 1748:             'ext'  => "Extent",
 1749:             'grs'  => "Section",
 1750:             'sta'  => "Start",
 1751:             'end'  => "End"
 1752:     );
 1753: 
 1754:     foreach (sort( keys(%inccourses))) {
 1755: 	my $thiscourse=$_;
 1756: 	my $protectedcourse=$_;
 1757: 	$thiscourse=~s:_:/:g;
 1758: 	my %coursedata=&Apache::lonnet::coursedescription($thiscourse);
 1759: 	my $area=$coursedata{'description'};
 1760:         my $type=$coursedata{'type'};
 1761: 	if (!defined($area)) { $area=&mt('Unavailable course').': '.$_; }
 1762: 	my $bgcol=$thiscourse;
 1763: 	$bgcol=~s/[^7-9a-e]//g;
 1764: 	$bgcol=substr($bgcol.$bgcol.$bgcol.'ffffff',2,6);
 1765: 	my ($domain,$cnum)=split(/\//,$thiscourse);
 1766:         my %sections_count;
 1767:         if (defined($env{'request.course.id'})) {
 1768:             if ($env{'request.course.id'} eq $domain.'_'.$cnum) {
 1769:                 %sections_count = 
 1770: 		    &Apache::loncommon::get_sections($domain,$cnum);
 1771:             }
 1772:         }
 1773: 	foreach  ('st','ta','ep','in','cc') {
 1774: 	    if (&Apache::lonnet::allowed('c'.$_,$thiscourse)) {
 1775: 		my $plrole=&Apache::lonnet::plaintext($_);
 1776:                 if ($type eq 'Group') {
 1777:                     $plrole = &Apache::loncommon::convert_role($plrole,$type);
 1778:                 } 
 1779: 		$table .= <<ENDEXTENT;
 1780: <tr bgcolor="#$bgcol">
 1781: <td><input type="checkbox" name="act_$protectedcourse\_$_"></td>
 1782: <td>$plrole</td>
 1783: <td>$area<br />Domain: $domain</td>
 1784: ENDEXTENT
 1785: 	        if ($_ ne 'cc') {
 1786:                     if (%sections_count) {
 1787:                         my $currsec = &course_sections(\%sections_count,$protectedcourse.'_'.$_);
 1788:                         $table .= 
 1789:                     '<td><table border="0" cellspacing="0" cellpadding="0">'.
 1790:                      '<tr><td valign="top">'.$lt{'exs'}.'<br />'.
 1791:                         $currsec.'</td>'.
 1792:                      '<td>&nbsp;&nbsp;</td>'.
 1793:                      '<td valign="top">&nbsp;'.$lt{'new'}.'<br />'.
 1794:                      '<input type="text" name="newsec_'.$protectedcourse.'_'.$_.'" value="" /></td>'.
 1795:                      '<input type="hidden" '.
 1796:                      'name="sec_'.$protectedcourse.'_'.$_.'"></td>'.
 1797:                      '</tr></table></td>';
 1798:                     } else {
 1799:                         $table .= '<td><input type="text" size="10" '.
 1800:                      'name="sec_'.$protectedcourse.'_'.$_.'"></td>';
 1801:                     }
 1802:                 } else { 
 1803: 		    $table .= '<td>&nbsp</td>';
 1804:                 }
 1805: 		$table .= <<ENDTIMEENTRY;
 1806: <td><input type=hidden name="start_$protectedcourse\_$_" value=''>
 1807: <a href=
 1808: "javascript:pjump('date_start','Start Date $plrole',document.cu.start_$protectedcourse\_$_.value,'start_$protectedcourse\_$_','cu.pres','dateset')">$lt{'ssd'}</a></td>
 1809: <td><input type=hidden name="end_$protectedcourse\_$_" value=''>
 1810: <a href=
 1811: "javascript:pjump('date_end','End Date $plrole',document.cu.end_$protectedcourse\_$_.value,'end_$protectedcourse\_$_','cu.pres','dateset')">$lt{'sed'}</a></td>
 1812: ENDTIMEENTRY
 1813:                 $table.= "</tr>\n";
 1814:             }
 1815:         }
 1816:         foreach (sort keys %customroles) {
 1817: 	    if (&Apache::lonnet::allowed('ccr',$thiscourse)) {
 1818: 		my $plrole=$_;
 1819:                 my $customrole=$protectedcourse.'_cr_cr_'.$env{'user.domain'}.
 1820: 		    '_'.$env{'user.name'}.'_'.$plrole;
 1821: 		$table .= <<END;
 1822: <tr bgcolor="#$bgcol">
 1823: <td><input type="checkbox" name="act_$customrole"></td>
 1824: <td>$plrole</td>
 1825: <td>$area</td>
 1826: END
 1827:                 if (%sections_count) {
 1828:                     my $currsec = &course_sections(\%sections_count,$customrole);
 1829:                     $table.=
 1830:                    '<td><table border="0" cellspacing="0" cellpadding="0">'.
 1831:                    '<tr><td valign="top">'.$lt{'exs'}.'<br />'.
 1832:                      $currsec.'</td>'.
 1833:                    '<td>&nbsp;&nbsp;</td>'.
 1834:                    '<td valign="top">&nbsp;'.$lt{'new'}.'<br />'.
 1835:                    '<input type="text" name="newsec_'.$customrole.'" value="" /></td>'.
 1836:                    '<input type="hidden" '.
 1837:                    'name="sec_'.$customrole.'"></td>'.
 1838:                    '</tr></table></td>';
 1839:                 } else {
 1840:                     $table .= '<td><input type="text" size="10" '.
 1841:                      'name="sec_'.$customrole.'"></td>';
 1842:                 }
 1843:                 $table .= <<ENDENTRY;
 1844: <td><input type=hidden name="start_$customrole" value=''>
 1845: <a href=
 1846: "javascript:pjump('date_start','Start Date $plrole',document.cu.start_$customrole.value,'start_$customrole','cu.pres','dateset')">$lt{'ssd'}</a></td>
 1847: <td><input type=hidden name="end_$customrole" value=''>
 1848: <a href=
 1849: "javascript:pjump('date_end','End Date $plrole',document.cu.end_$customrole.value,'end_$customrole','cu.pres','dateset')">$lt{'sed'}</a></td></tr>
 1850: ENDENTRY
 1851:            }
 1852: 	}
 1853:     }
 1854:     return '' if ($table eq ''); # return nothing if there is nothing 
 1855:                                  # in the table
 1856:     my $result = <<ENDTABLE;
 1857: <h4>$lt{'crl'}</h4>
 1858: <table border=2><tr><th>$lt{'act'}</th><th>$lt{'rol'}</th><th>$lt{'ext'}</th>
 1859: <th>$lt{'grs'}</th><th>$lt{'sta'}</th><th>$lt{'end'}</th></tr>
 1860: $table
 1861: </table>
 1862: ENDTABLE
 1863:     return $result;
 1864: }
 1865: 
 1866: sub course_sections {
 1867:     my ($sections_count,$role) = @_;
 1868:     my $output = '';
 1869:     my @sections = (sort {$a <=> $b} keys %{$sections_count});
 1870:     if (scalar(@sections) == 1) {
 1871:         $output = '<select name="currsec_'.$role.'" >'."\n".
 1872:                   '  <option value="">Select</option>'."\n".
 1873:                   '  <option value="">No section</option>'."\n".
 1874:                   '  <option value="'.$sections[0].'" >'.$sections[0].'</option>'."\n";
 1875:     } else {
 1876:         $output = '<select name="currsec_'.$role.'" ';
 1877:         my $multiple = 4;
 1878:         if (scalar(@sections) < 4) { $multiple = scalar(@sections); }
 1879:         $output .= '"multiple" size="'.$multiple.'">'."\n";
 1880:         foreach (@sections) {
 1881:             $output .= '<option value="'.$_.'">'.$_."</option>\n";
 1882:         }
 1883:     }
 1884:     $output .= '</select>'; 
 1885:     return $output;
 1886: }
 1887: 
 1888: sub course_level_dc {
 1889:     my ($dcdom) = @_;
 1890:     my %customroles=&my_custom_roles();
 1891:     my $hiddenitems = '<input type="hidden" name="dcdomain" value="'.$dcdom.'" />'.
 1892:                       '<input type="hidden" name="origdom" value="'.$dcdom.'" />'.
 1893:                       '<input type="hidden" name="dccourse" value="" />';
 1894:     my $courseform='<b>'.&Apache::loncommon::selectcourse_link
 1895:             ('cu','dccourse','dcdomain','coursedesc',undef,undef,'Course/Group').'</b>';
 1896:     my $cb_jscript = &Apache::loncommon::coursebrowser_javascript($dcdom);
 1897:     my %lt=&Apache::lonlocal::texthash(
 1898:                     'typ' => "Type",
 1899:                     'rol'  => "Role",
 1900:                     'grs'  => "Section",
 1901:                     'exs'  => "Existing sections",
 1902:                     'new'  => "Define new section", 
 1903:                     'sta'  => "Start",
 1904:                     'end'  => "End",
 1905:                     'ssd'  => "Set Start Date",
 1906:                     'sed'  => "Set End Date"
 1907:                   );
 1908:     my $header = '<h4>'.&mt('Course/Group Level').'</h4>'.
 1909:                  '<table border="2"><tr><th>'.$lt{'typ'}.'</th><th>'.$courseform.'</th><th>'.$lt{'rol'}.'</th><th>'.$lt{'grs'}.'</th><th>'.$lt{'sta'}.'</th><th>'.$lt{'end'}.'</th></tr>';
 1910:     my $otheritems = '<tr><td><select name="crstype" onChange="javascript:setType();">'."\n".
 1911:                      ' <option value="">'.&mt('Please select')."\n".
 1912:                      ' <option value="Course">'.&mt('Course')."\n".
 1913:                      ' <option value="Group">'.&mt('Group')."\n".
 1914:                      '</select>'."\n".
 1915:                      '<td><input type="text" name="coursedesc" value="" onFocus="this.blur();opencrsbrowser('."'cu','dccourse','dcdomain','coursedesc','".')" /></td>'."\n".
 1916:                      '<td><select name="role">'."\n";
 1917:     foreach  ('st','ta','ep','in','cc') {
 1918:         my $plrole=&Apache::lonnet::plaintext($_);
 1919:         $otheritems .= '  <option value="'.$_.'">'.$plrole;
 1920:     }
 1921:     if ( keys %customroles > 0) {
 1922:         foreach (sort keys %customroles) {
 1923:             my $custrole='cr_cr_'.$env{'user.domain'}.
 1924:                     '_'.$env{'user.name'}.'_'.$_;
 1925:             $otheritems .= '  <option value="'.$custrole.'">'.$_;
 1926:         }
 1927:     }
 1928:     $otheritems .= '</select></td><td>'.
 1929:                      '<table border="0" cellspacing="0" cellpadding="0">'.
 1930:                      '<tr><td valign="top"><b>'.$lt{'exs'}.'</b><br /><select name="currsec">'.
 1931:                      ' <option value=""><--'.&mt('Pick course first').'</select></td>'.
 1932:                      '<td>&nbsp;&nbsp;</td>'.
 1933:                      '<td valign="top">&nbsp;<b>'.$lt{'new'}.'</b><br />'.
 1934:                      '<input type="text" name="newsec" value="" />'.
 1935:                      '<input type="hidden" name="groups" value="" /></td>'.
 1936:                      '</tr></table></td>';
 1937:     $otheritems .= <<ENDTIMEENTRY;
 1938: <td><input type=hidden name="start" value=''>
 1939: <a href=
 1940: "javascript:pjump('date_start','Start Date',document.cu.start.value,'start','cu.pres','dateset')">$lt{'ssd'}</a></td>
 1941: <td><input type=hidden name="end" value=''>
 1942: <a href=
 1943: "javascript:pjump('date_end','End Date',document.cu.end.value,'end','cu.pres','dateset')">$lt{'sed'}</a></td>
 1944: ENDTIMEENTRY
 1945:     $otheritems .= "</tr></table>\n";
 1946:     return $cb_jscript.$header.$hiddenitems.$otheritems;
 1947: }
 1948: 
 1949: #---------------------------------------------- end functions for &phase_two
 1950: 
 1951: #--------------------------------- functions for &phase_two and &phase_three
 1952: 
 1953: #--------------------------end of functions for &phase_two and &phase_three
 1954: 
 1955: 1;
 1956: __END__
 1957: 
 1958: 

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