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Add privilege to create new users.

    1: #!/usr/bin/perl
    2: #
    3: # Automated Course Creation script
    4: #
    5: # Copyright Michigan State University Board of Trustees
    6: #
    7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    8: #
    9: # LON-CAPA is free software; you can redistribute it and/or modify
   10: # it under the terms of the GNU General Public License as published by
   11: # the Free Software Foundation; either version 2 of the License, or
   12: # (at your option) any later version.
   13: #
   14: # LON-CAPA is distributed in the hope that it will be useful,
   15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   17: # GNU General Public License for more details.
   18: #
   19: # You should have received a copy of the GNU General Public License
   20: # along with LON-CAPA; if not, write to the Free Software
   21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   22: #
   23: # /home/httpd/html/adm/gpl.txt
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: # Run as www. Call this from an entry in /etc/cron.d/loncapa
   28: #
   29: # www /home/httpd/perl/Autocreate.pl $dom $uname:$udom
   30: #
   31: # where $dom is the name of the course domain, $uname and $udom are the 
   32: # username and domain of a Domain Coordinator in the domain.   
   33: #
   34:     use strict;
   35:     use lib '/home/httpd/lib/perl';
   36:     use Apache::lonnet;
   37:     use LONCAPA::batchcreatecourse;
   38:     use LONCAPA::Configuration;
   39: 
   40:     my $perlvarref = &LONCAPA::Configuration::read_conf('loncapa.conf');
   41:     my $logfile = $$perlvarref{'lonDaemons'}.'/logs/autocreate.log';
   42:     my @domains = &Apache::lonnet::current_machine_domains();
   43:     open (my $fh,">>$logfile");
   44:     print $fh "********************\n".localtime(time)." Autocreation messages start --\n";
   45:     if (@ARGV < 2) {
   46:         print $fh "usage: ./Autocreate <coursedomain  username:domain>.\nPlease provide the username and domain of a Domain Coordinator.\n";
   47:         exit;  
   48:     }
   49: # check if $defdom is a domain hosted on this library server. 
   50:     my $defdom = $ARGV[0];
   51:     my ($dcname,$dcdom) = ($ARGV[1] =~ /^([^:]+):([^:]+)$/);
   52:     if ($defdom eq '' || !grep/^$defdom$/,@domains) {
   53:         print $fh "The domain you supplied is not a valid domain for this server\n\n";
   54:         close($fh);
   55:         exit;
   56:     }
   57: # check if user is an active domain coordinator.
   58:     if (!&check_activedc($dcdom,$dcname,$defdom)) {
   59:         print $fh "The username you supplied for domain $defdom does not have an active domain coordinator role in the domain\n\n";
   60:         close($fh);
   61:         exit;
   62:     }
   63:                                                    
   64:     my $batchdir = $$perlvarref{'lonDaemons'}.'/tmp/addcourse/'.$defdom.'/auto';
   65:     opendir(DIR,"$batchdir/pending");
   66:     my @requests = grep(!/^\.\.?$/,readdir(DIR));
   67:     closedir(DIR);
   68:     my %courseids = ();
   69:     my @permissions = ('mau','ccc','cin','cta','cep','ccr','cst');
   70:     my %permissionflags = ();
   71:     &set_permissions(\%permissionflags,\@permissions);
   72:     $env{'user.name'} = $dcname;
   73:     $env{'user.domain'} = $dcdom;
   74:     my $wwwid=getpwnam('www');
   75:     if ($wwwid!=$<) {
   76:         my $emailto=$$perlvarref{'lonAdmEMail'};
   77:         my $subj="LON: $$perlvarref{'lonHostID'} User ID mismatch";
   78:         my $requestmail = "To: $emailto\n";
   79:         $requestmail .= 
   80:         "Subject: LON: $$perlvarref{'lonHostID'} User ID mismatch\n".
   81:         "User ID mismatch. Autocreate.pl must be run as user www\n"; 
   82:         if ($emailto =~ /^[^\@]+\@[^\@]+$/) {
   83:             if (open(MAIL, "|/usr/lib/sendmail -oi -t -odb")) {
   84:                 print MAIL $requestmail;
   85:                 close(MAIL);
   86:                 print $fh "Autocreate.pl must be run as user www\n\n";
   87:             } else {
   88:                 print $fh "Could not send notification e-mail to $emailto\n\n"; 
   89:             }
   90:         } else {
   91:             print $fh "Notification e-mail address for Administrator is not a valid e-mail address\n\n";
   92:         }
   93:         close($fh);
   94:         exit;
   95:     }
   96: 
   97:     print $fh "Sending to batch - auto,$defdom,$dcname,$dcdom ".join(":",@requests)."\n";
   98:     my ($result,$logmsg) = &LONCAPA::batchcreatecourse::create_courses(\@requests,\%courseids,'auto',$defdom,$dcname,$dcdom);
   99:     print $fh "$result && $logmsg\n";
  100: 
  101: # Copy requests from pending directory to processed directory and unlink.
  102:   foreach my $request (@requests) {  
  103:         if ((-e "$batchdir/pending/$request") && $request !~ /\.\./ && $request ne '' &&$request ne './') {
  104:             open(FILE,"<$batchdir/pending/$request");
  105:             my @buffer = <FILE>;
  106:             close(FILE);
  107:             if (!-e "$batchdir/processed") {
  108:                 mkdir("$batchdir/processed", 0755);
  109:             }
  110:             open(FILE,">$batchdir/processed/$request");
  111:             print FILE @buffer;
  112:             close(FILE);
  113:             if (-e "$batchdir/processed/$request") {
  114:                 unlink("$batchdir/pending/$request");
  115:             }
  116:         }
  117:     }
  118: 
  119:     my $output;
  120:     foreach my $key (sort keys %courseids) {
  121:         print $fh "created course: $key - $courseids{$key}\n";
  122:         my $newcourse = &Apache::lonnet::escape($key.':'.$courseids{$key});
  123:         $output .= $newcourse.':'; 
  124:     }
  125:     $output =~ s/:$//;
  126:     print $output;
  127: 
  128:     &unset_permissions(\%permissionflags);
  129:     delete($env{'user.name'});
  130:     delete($env{'user.domain'});
  131:     print $fh "-- ".localtime(time)." Autocreation messages end\n*******************\n\n";
  132:     close($fh);
  133: 
  134: sub check_activedc {
  135:     my ($dcdom,$dcname,$defdom) = @_;
  136:     my %dumphash=
  137:             &Apache::lonnet::dump('roles',$dcdom,$dcname);
  138:     my $now=time;
  139:     my $activedc = 0;
  140:     foreach my $item (keys %dumphash) {
  141:         my ($domain,$role) = ($item =~ m-^/([^/]+)/[^_]*_(\w+)$-);
  142:         if ($role eq 'dc' && $domain eq $defdom) {
  143:             my ($trole,$tend,$tstart)=split(/_/,$dumphash{$item});
  144:             if (($tend) && ($tend<$now)) { next; }
  145:             if (($tstart) && ($now<$tstart)) { next; }
  146:             $activedc = 1;
  147:             last;
  148:         }
  149:     }
  150:     return $activedc;
  151: }
  152: 
  153: sub set_permissions {
  154:     my ($permissionflags,$permissions) = @_;
  155:     foreach my $allowtype (@{$permissions}) {
  156:         unless($env{"allowed.$allowtype"}) {
  157:             $env{"allowed.$allowtype"} = 'F';
  158:             $permissionflags{$allowtype} = 1;
  159:         }
  160:     }
  161: }
  162: 
  163: sub unset_permissions {
  164:     my ($permissionflags) = @_;
  165:     foreach my $allowtype (keys %{$permissionflags}) {
  166:         delete($env{"allowed.$allowtype"});
  167:     }
  168: }