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Script to process course creation requests.  Intended to be run by www as cron job.

    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 $cccflag = 0;
   70:     unless ($ENV{'allowed.ccc'}) {
   71:         $ENV{'allowed.ccc'} = 'F';
   72:         $cccflag = 1;
   73:     }
   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:     my ($output,$logmsg) = &LONCAPA::batchcreatecourse::create_courses(\@requests,\%courseids,'auto',$defdom,$dcname,$dcdom);
   98: 
   99: # Copy requests from pending directory to processed directory and unlink.
  100:   foreach my $request (@requests) {  
  101:         if ((-e "$batchdir/pending/$request") && $request !~ /\.\./ && $request ne '' &&$request ne './') {
  102:             open(FILE,"<$batchdir/pending/$request");
  103:             my @buffer = <FILE>;
  104:             close(FILE);
  105:             open(FILE,">$batchdir/processed/$request");
  106:             print FILE @buffer;
  107:             close(FILE);
  108:             if (-e "$batchdir/processed/$request") {
  109:                 unlink("$batchdir/pending/$request");
  110:             }
  111:         }
  112:     }
  113: 
  114:     foreach my $key (sort keys %courseids) {
  115:         print $fh "created course: $key\n";
  116:     }
  117: 
  118:     if ($cccflag) {
  119:         delete($ENV{'allowed.ccc'});
  120:     }
  121:     print $fh "-- ".localtime(time)." Autocreation messages end\n*******************\n\n";
  122:     close($fh);
  123: 
  124: sub check_activedc {
  125:     my ($dcdom,$dcname,$defdom) = @_;
  126:     my %dumphash=
  127:             &Apache::lonnet::dump('roles',$dcdom,$dcname);
  128:     my $now=time;
  129:     my $activedc = 0;
  130:     foreach my $item (keys %dumphash) {
  131:         my ($domain,$role) = ($item =~ m-^/([^/]+)/[^_]*_(\w+)$-);
  132:         if ($role eq 'dc' && $domain eq $defdom) {
  133:             my ($trole,$tend,$tstart)=split(/_/,$dumphash{$item});
  134:             if (($tend) && ($tend<$now)) { next; }
  135:             if (($tstart) && ($now<$tstart)) { next; }
  136:             $activedc = 1;
  137:             last;
  138:         }
  139:     }
  140:     return $activedc;
  141: }