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    1: #!/usr/bin/perl
    2: #
    3: # Automated Course Creation script
    4: #
    5: # $Id: Autocreate.pl,v 1.10 2008/03/18 20:51:12 raeburn Exp $
    6: #
    7: # Copyright Michigan State University Board of Trustees
    8: #
    9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   10: #
   11: # LON-CAPA is free software; you can redistribute it and/or modify
   12: # it under the terms of the GNU General Public License as published by
   13: # the Free Software Foundation; either version 2 of the License, or
   14: # (at your option) any later version.
   15: #
   16: # LON-CAPA is distributed in the hope that it will be useful,
   17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   19: # GNU General Public License for more details.
   20: #
   21: # You should have received a copy of the GNU General Public License
   22: # along with LON-CAPA; if not, write to the Free Software
   23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   24: #
   25: # /home/httpd/html/adm/gpl.txt
   26: #
   27: # http://www.lon-capa.org/
   28: #
   29: # Run as www. Call this from an entry in /etc/cron.d/loncapa
   30: #
   31: # www /home/httpd/perl/Autocreate.pl $dom $uname:$udom
   32: #
   33: # where $dom is the name of the course domain, $uname and $udom are the 
   34: # username and domain of a Domain Coordinator in the domain.   
   35: #
   36:     use strict;
   37:     use lib '/home/httpd/lib/perl';
   38:     use Apache::lonnet;
   39:     use Apache::lonlocal;
   40:     use LONCAPA::batchcreatecourse;
   41:     use LONCAPA::Configuration;
   42: 
   43:     my $perlvarref = &LONCAPA::Configuration::read_conf('loncapa.conf');
   44:     my $logfile = $$perlvarref{'lonDaemons'}.'/logs/autocreate.log';
   45:     my @domains = &Apache::lonnet::current_machine_domains();
   46:     open (my $fh,">>$logfile");
   47:     print $fh "********************\n".localtime(time)." Autocreation messages start --\n";
   48:     if (@ARGV < 2) {
   49:         print $fh "usage: ./Autocreate <coursedomain  username:domain>.\nPlease provide the username and domain of a Domain Coordinator.\n";
   50:         exit;  
   51:     }
   52: # check if $defdom is a domain hosted on this library server. 
   53:     my $defdom = $ARGV[0];
   54:     my ($dcname,$dcdom) = ($ARGV[1] =~ /^([^:]+):([^:]+)$/);
   55:     if ($defdom eq '' || !grep/^$defdom$/,@domains) {
   56:         print $fh "The domain you supplied is not a valid domain for this server\n\n";
   57:         close($fh);
   58:         exit;
   59:     }
   60: # check if user is an active domain coordinator.
   61:     if (!&check_activedc($dcdom,$dcname,$defdom)) {
   62:         print $fh "The username you supplied for domain $defdom does not have an active domain coordinator role in the domain\n\n";
   63:         close($fh);
   64:         exit;
   65:     }
   66: 
   67:     # Initialize language handler
   68:     &Apache::lonlocal::get_language_handle();
   69: 
   70:     my $batchdir = $$perlvarref{'lonDaemons'}.'/tmp/addcourse/'.$defdom.'/auto';
   71:     opendir(DIR,"$batchdir/pending");
   72:     my @requests = grep(!/^\.\.?$/,readdir(DIR));
   73:     closedir(DIR);
   74:     my %courseids = ();
   75:     my @permissions = ('mau','ccc','cin','cta','cep','ccr','cst');
   76:     my %permissionflags = ();
   77:     &set_permissions(\%permissionflags,\@permissions);
   78:     $env{'user.name'} = $dcname;
   79:     $env{'user.domain'} = $dcdom;
   80:     $env{'request.role.domain'} = $defdom;
   81:     my $wwwid=getpwnam('www');
   82:     if ($wwwid!=$<) {
   83:         my $emailto=$$perlvarref{'lonAdmEMail'};
   84:         my $subj="LON: $$perlvarref{'lonHostID'} User ID mismatch";
   85:         my $requestmail = "To: $emailto\n";
   86:         $requestmail .= 
   87:         "Subject: LON: $$perlvarref{'lonHostID'} User ID mismatch\n".
   88:         "User ID mismatch. Autocreate.pl must be run as user www\n"; 
   89:         if ($emailto =~ /^[^\@]+\@[^\@]+$/) {
   90:             if (open(MAIL, "|/usr/lib/sendmail -oi -t -odb")) {
   91:                 print MAIL $requestmail;
   92:                 close(MAIL);
   93:                 print $fh "Autocreate.pl must be run as user www\n\n";
   94:             } else {
   95:                 print $fh "Could not send notification e-mail to $emailto\n\n"; 
   96:             }
   97:         } else {
   98:             print $fh "Notification e-mail address for Administrator is not a valid e-mail address\n\n";
   99:         }
  100:         close($fh);
  101:         exit;
  102:     }
  103: 
  104:     print $fh "Sending to batch - auto,$defdom,$dcname,$dcdom ".join(":",@requests)."\n";
  105:     my ($result,$logmsg) = &LONCAPA::batchcreatecourse::create_courses(\@requests,\%courseids,'auto',$defdom,$dcname,$dcdom);
  106:     my $outcome;
  107:     if ($result ne '') {
  108:         $outcome = $result."\n";
  109:     }
  110:     if ($logmsg ne '') {
  111:         $outcome .= $logmsg."\n";    
  112:     }
  113:     print $fh $outcome;
  114: 
  115:     my $output;
  116: # Copy requests from pending directory to processed directory and unlink.
  117:     foreach my $request (@requests) {  
  118:         if ((-e "$batchdir/pending/$request") && $request !~ /\.\./ && $request ne '' &&$request ne './') {
  119:             open(FILE,"<$batchdir/pending/$request");
  120:             my @buffer = <FILE>;
  121:             close(FILE);
  122:             if (!-e "$batchdir/processed") {
  123:                 mkdir("$batchdir/processed", 0755);
  124:             }
  125:             open(FILE,">$batchdir/processed/$request");
  126:             print FILE @buffer;
  127:             close(FILE);
  128:             if (-e "$batchdir/processed/$request") {
  129:                 unlink("$batchdir/pending/$request");
  130:             }
  131:         }
  132:     }
  133: 
  134:     foreach my $key (sort keys %courseids) {
  135:         print $fh "created course: $key - $courseids{$key}\n";
  136:         my $newcourse = &Apache::lonnet::escape($key.':'.$courseids{$key});
  137:         $output .= $newcourse.':'; 
  138:     }
  139:     $output =~ s/:$//;
  140:     print $output;
  141: 
  142:     &unset_permissions(\%permissionflags);
  143:     delete($env{'user.name'});
  144:     delete($env{'user.domain'});
  145:     delete($env{'request.role.domain'});
  146:     print $fh "-- ".localtime(time)." Autocreation messages end\n*******************\n\n";
  147:     close($fh);
  148: 
  149: sub check_activedc {
  150:     my ($dcdom,$dcname,$defdom) = @_;
  151:     my %dumphash=
  152:             &Apache::lonnet::dump('roles',$dcdom,$dcname);
  153:     my $now=time;
  154:     my $activedc = 0;
  155:     foreach my $item (keys %dumphash) {
  156:         my ($domain,$role) = ($item =~ m-^/([^/]+)/[^_]*_(\w+)$-);
  157:         if ($role eq 'dc' && $domain eq $defdom) {
  158:             my ($trole,$tend,$tstart)=split(/_/,$dumphash{$item});
  159:             if (($tend) && ($tend<$now)) { next; }
  160:             if (($tstart) && ($now<$tstart)) { next; }
  161:             $activedc = 1;
  162:             last;
  163:         }
  164:     }
  165:     return $activedc;
  166: }
  167: 
  168: sub set_permissions {
  169:     my ($permissionflags,$permissions) = @_;
  170:     foreach my $allowtype (@{$permissions}) {
  171:         unless($env{"allowed.$allowtype"}) {
  172:             $env{"allowed.$allowtype"} = 'F';
  173:             $permissionflags{$allowtype} = 1;
  174:         }
  175:     }
  176: }
  177: 
  178: sub unset_permissions {
  179:     my ($permissionflags) = @_;
  180:     foreach my $allowtype (keys %{$permissionflags}) {
  181:         delete($env{"allowed.$allowtype"});
  182:     }
  183: }