Return to Autoupdate.pl CVS log

Up to [LON-CAPA] / loncom / enrollment

- Check directory in lonUsers/$dom/$1/$2/$3/$uname is for a real user
  by testing for existence of passwd file.
- Coding style
- Use lonRole perl Var to check if current server is a library server.

#!/usr/bin/perl
#
# Automated Userinfo update script
# $Id: Autoupdate.pl,v 1.19 2010/03/26 13:19:04 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
    use strict;
    use lib '/home/httpd/lib/perl';
    use localenroll;
    use Apache::lonnet;
    use Apache::loncommon;
    use Apache::lonlocal;
    use Apache::lonuserutils();
    use LONCAPA::Configuration;
    use LONCAPA;

    my $perlvarref = LONCAPA::Configuration::read_conf('loncapa.conf');
    exit if (ref($perlvarref) ne 'HASH');
    my $logfile = $perlvarref->{'lonDaemons'}.'/logs/autoupdate.log';
    exit if ($perlvarref->{'lonRole'} ne 'library');
    my $hostid = $perlvarref->{'lonHostID'};

    my @info = ('inststatus','lockedname','internalname','lastname',
                'firstname','middlename','generation','id','permanentemail');
    # Initialize language handler
    &Apache::lonlocal::get_language_handle();
    # find out which users we need to examine
    my @domains = sort(&Apache::lonnet::current_machine_domains());
    foreach my $dom (@domains) {
        my %domconfig = &Apache::lonnet::get_dom('configuration',['autoupdate'],
                                                 $dom);
        #only run if configured to
        my $run_update = 0;
        my $settings;
        if (ref($domconfig{'autoupdate'}) eq 'HASH') {
            $settings = $domconfig{'autoupdate'};
            if ($settings->{'run'} eq '1') {
                $run_update = 1;
            }
        }
        next if (!$run_update);
        open(my $fh,">>$logfile");
        print $fh ("********************\n".&Apache::lonlocal::locallocaltime(time).' '.&mt('Autoupdate messages start for domain: [_1]',$dom).' --'."\n");
        # get courseIDs for domain
        my %courses=&Apache::lonnet::courseiddump($dom,'.',1,'.','.','.',1,[$hostid],'.');
        # get user information
        my (%instusers,%instids);
        next if (&localenroll::allusers_info($dom,\%instusers,\%instids) ne 'ok');
        my (%users,%unamechg,%possnames);
        my @types = ('active','future');
        my @roles = ('st');
        my @cdoms = ($dom);
        my $dir = $Apache::lonnet::perlvar{lonUsersDir}.'/'.$dom;
        &descend_tree($dir,0,\%users);
        foreach my $uname (sort(keys(%users))) {
            next if ($courses{$dom.'_'.$uname});
            my %userhash = &Apache::lonnet::userenvironment($dom,$uname,@info);
            my (@inststatuses);
            if (!$userhash{'internalname'}) {
                if (defined($instusers{$uname})) {
                    (my $insttypechg,@inststatuses) = 
                       &affiliations_check(\%userhash,$instusers{$uname});
                    if ($insttypechg) {
                        my $inststatusstr = join(':',map { &escape($_) } (@inststatuses));
                        my %statushash = ( inststatus => $inststatusstr );
                        my $statusres = &Apache::lonnet::put('environment',\%statushash,$dom,$uname);
                    }
                }
            }
            if (!$userhash{'lockedname'} && !$userhash{'internalname'}) {
                if (defined($instusers{$uname})) {
                    my (@fields,%changes,$changed);
                    if (@inststatuses > 0) {
                        foreach my $type (@inststatuses) {
                            if (ref($settings->{fields}{$type}) eq 'ARRAY') {
                                foreach my $field (@{$settings->{fields}{$type}}) {
                                    if (!grep(/^\Q$field\E$/,@fields)) {
                                        push(@fields,$field);
                                    }
                                }
                            } 
                        }
                    } else {
                        if (ref($settings->{fields}{'default'}) eq 'ARRAY') {
                            @fields = @{$settings->{fields}{'default'}};
                        }
                    }
                    foreach my $field (@fields) { 
                        if ($userhash{$field} ne $instusers{$uname}{$field}) {
                            $changed = 1;
                            if ($settings->{'classlists'} == 1) { 
                                if ($field eq 'id') {
                                    $changes{'id'} = 1;
                                } elsif ($field eq 'lastname' || $field eq 'firstname' || $field eq 'middlename' || $field eq 'generation') {
                                    $changes{'fullname'} = 1;
                                }
                            }
                        }
                    }
                    # Make the change
                    if ($changed) {
                        my %userupdate;
                        foreach my $item ('lastname','firstname','middlename','generation','id',
                                          'permanentemail') {
                            $userupdate{$item} = $userhash{$item};
                        }
                        foreach my $field (@fields) {
                            $userupdate{$field} = $instusers{$uname}{$field};
                        }
                        my $modresult = &Apache::lonnet::modifyuser($dom,$uname,$userupdate{'id'},undef,undef,$userupdate{'firstname'},$userupdate{'middlename'},$userupdate{'lastname'},$userupdate{'generation'},1,$hostid,$userupdate{'permanentemail'},undef,\@fields);
                        if ($modresult eq 'ok') {
                            print $fh "User change: $uname:$dom; New values: 1.Name: $userupdate{'firstname'} $userupdate{'middlename'} $userupdate{'lastname'} $userupdate{'generation'}; 2. StuID: $userupdate{'id'}; 3. Email: $userupdate{'permanentemail'}.\n";
                            if ($settings->{'classlists'} == 1) {
                                if ($changes{'id'} || $changes{'fullname'}) {
                                    my %roleshash = 
                                        &Apache::lonnet::get_my_roles($uname,
                                                  $dom,'userroles',\@types,\@roles,\@cdoms);
                                    foreach my $item (keys(%roleshash)) {
                                        my ($cnum,$cdom,$role) = split(/:/,$item);
                                        my ($start,$end) = split(/:/,$roleshash{$item});
                                        if (&Apache::lonnet::is_course($cdom,$cnum)) {
                                            my $result = 
                                                &Apache::lonuserutils::update_classlist($cdom,$cnum,$dom,$uname,\%userupdate);
                                            if ($result eq 'ok') {
                                                print $fh "Classlist change: $uname:$dom - class -> $cnum:$cdom\n";
                                            } else {
                                                print $fh "Error - $result -during classlist update for $uname:$dom in $cnum:$cdom\n";
                                            }
                                        }
                                    }
                                }
                            }
                        } else {
                            print $fh "User change detected for $uname:$dom. Error during update: $modresult\n";
                        }
                    }
                } else {
                    # check if the username has changed
                    if (defined($instids{$userhash{'id'}})) {
                        if (ref($instids{$userhash{'id'}}) eq 'ARRAY') {
                            foreach my $name (@{$instids{$userhash{'id'}}}) {
                                if (!exists($users{$name})) {
                                    push(@{$possnames{$uname}},$name);
                                }
                            }
                        } else {
                            if (!exists($users{$instids{$userhash{'id'}}})) {
                                $unamechg{$uname} = $instids{$userhash{'id'}};
                                print $fh (&mt('Username change to [_1] detected for [_2] in domain [_3].',$unamechg{$uname},$uname,$dom)."\n");
                            }
                        }
                    }
                }
            }
        }
        if (keys(%possnames) > 0) {
            foreach my $uname (keys(%possnames)) {
                my $altnames = join(' or ',@{$possnames{$uname}});
                print $fh (&mt('Possible username change to [_1] detected for [_2] in domain [_3].',$altnames,$uname,$dom)."\n");
            }
        }
        print $fh ("-- \n".&Apache::lonlocal::locallocaltime(time).' '.&mt('Autoupdate messages end')."\n*******************\n\n");
        close($fh);
    }

sub descend_tree {
    my ($dir,$depth,$alldomusers) = @_;
    if (-d $dir) {
        opendir(DIR,$dir);
        my @contents = grep(!/^\./,readdir(DIR));
        closedir(DIR);
        $depth ++;
        foreach my $item (@contents) {
            if ($depth < 4) {
                &descend_tree($dir.'/'.$item,$depth,$alldomusers);
            } elsif (-e $dir.'/'.$item.'/passwd') {
                $$alldomusers{$item} = '';
            }
        }
    }
}

sub affiliations_check {
    my ($userhash,$insthashref) = @_;
    my (@inststatuses,$insttypechg);;
    if (ref($insthashref) eq 'HASH') {
        if (ref($insthashref->{'inststatus'}) eq 'ARRAY') {
            @inststatuses = @{$insthashref->{'inststatus'}};
        }
    }
    my @currstatuses = map { &unescape($_); } (split(/:/,$userhash->{'inststatus'}));
    foreach my $status (@inststatuses) {
        if (!grep/^\Q$status\E/,@currstatuses) {
            $insttypechg = 1;
        }
    }
    if (!$insttypechg) {
        foreach my $status (@currstatuses) {
            if (!grep/^\Q$status\E/,@inststatuses) {
                $insttypechg = 1;
            }
        }
    }
    return ($insttypechg,@inststatuses);
}

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.