package LDAP::Koha; use strict; use warnings; use lib '../lib'; use Net::LDAP::Constant qw(LDAP_SUCCESS); use Net::LDAP::Server; use base 'Net::LDAP::Server'; use fields qw(); use DBI; use File::Slurp; use Data::Dump qw/dump/; my $debug = 0; # XXX very slow # XXX test with: # # ldapsearch -h localhost -p 2389 -b dc=ffzg,dc=hr -x 'otherPager=200903160021' # our $dsn = 'DBI:mysql:dbname='; our $database = 'koha'; our $user = 'unconfigured-user'; our $passwd = 'unconfigured-password'; our $max_results = $ENV{MAX_RESULTS} || 3000; # FIXME must be enough for all users our $objectclass_default = 'hrEduPerson'; our $objectclass; $SIG{__DIE__} = sub { warn "!!! DIE ", @_; die @_; }; require 'config.pl' if -e 'config.pl'; # we need reverse LDAP -> SQL mapping for where clause my $ldap_sql_mapping = { 'uid' => 'userid', 'objectGUID' => 'b.borrowernumber', 'displayName' => 'surname', 'sn' => 'surname', 'pager' => qq{replace(a.attribute, '\r','')}, # was: rfid_sid }; sub __sql_column { my $name = shift; $ldap_sql_mapping->{$name} || $name; } use constant RESULT_OK => { 'matchedDN' => '', 'errorMessage' => '', 'resultCode' => LDAP_SUCCESS }; # constructor sub new { my ($class, $sock) = @_; my $self = $class->SUPER::new($sock); print "connection from: ", $sock->peerhost(), "\n"; return $self; } # the bind operation sub bind { my $self = shift; my $reqData = shift; warn "# bind ",dump($reqData); return RESULT_OK; } our @values; our @limits; sub __ldap_search_to_sql { my ( $how, $what ) = @_; warn "### __ldap_search_to_sql $how ",dump( $what ),"\n"; if ( $how eq 'equalityMatch' && defined $what ) { my $name = $what->{attributeDesc} || warn "ERROR: no attributeDesc?"; my $value = $what->{assertionValue} || warn "ERROR: no assertionValue?"; if ( lc $name eq 'objectclass' ) { $objectclass = $value; } else { push @limits, __sql_column($name) . ' = ?'; push @values, $value; } } elsif ( $how eq 'substrings' ) { foreach my $substring ( @{ $what->{substrings} } ) { my $name = $what->{type} || warn "ERROR: no type?"; while ( my($op,$value) = each %$substring ) { push @limits, __sql_column($name) . ' LIKE ?'; if ( $op eq 'any' ) { $value = '%' . $value . '%'; } else { warn "UNSUPPORTED: op $op - using plain $value"; } push @values, $value; } } } elsif ( $how eq 'present' ) { my $name = __sql_column( $what ); push @limits, "$name IS NOT NULL and length($name) > 1"; ## XXX length(foo) > 1 to avoid empty " " strings } else { warn "UNSUPPORTED: $how ",dump( $what ); } } # my ( $dn,$attributes ) = _dn_attributes( $row, $base ); sub _dn_attributes { my ($row,$base) = @_; warn "## row = ",dump( $row ) if $debug; die "no objectClass column in ",dump( $row ) unless defined $row->{objectClass}; $row->{objectClass} = [ split(/\s+/, $row->{objectClass}) ] if $row->{objectClass} =~ m{\n}; warn "## row = ",dump( $row ) if $debug; my $dn = delete( $row->{dn} ) || die "no dn in ",dump( $row ); # this does some sanity cleanup for our data # my $base_as_domain = $base; # $base_as_domain =~ s{dn=}{.}; # $base_as_domain =~ s{^\.}{@}; # $dn =~ s{$base_as_domain$}{}; # # $dn .= ',' . $base unless $dn =~ m{,}; # add base if none present return ($dn, $row); } # the search operation sub search { my $self = shift; my $reqData = shift; print "searching...\n"; warn "# " . localtime() . " request = ", dump($reqData); my $base = $reqData->{'baseObject'}; # FIXME use it? my @entries; if ( $reqData->{'filter'} ) { my $sql_where = ''; @values = (); $objectclass = ''; foreach my $filter ( keys %{ $reqData->{'filter'} } ) { warn "## filter $filter ", dump( $reqData->{'filter'}->{ $filter } ), "\n"; @limits = (); if ( ref $reqData->{'filter'}->{ $filter } eq 'ARRAY' ) { foreach my $filter ( @{ $reqData->{'filter'}->{ $filter } } ) { warn "### filter ",dump($filter),$/; foreach my $how ( keys %$filter ) { if ( $how eq 'or' ) { __ldap_search_to_sql( %$_ ) foreach ( @{ $filter->{$how} } ); } else { __ldap_search_to_sql( $how, $filter->{$how} ); } warn "## limits ",dump(@limits), " values ",dump(@values); } } } else { __ldap_search_to_sql( $filter, $reqData->{'filter'}->{$filter} ); } $sql_where .= ' ' . join( " $filter ", @limits ) if @limits; } $objectclass ||= $objectclass_default; my $sql_select = read_file( lc "sql/$objectclass.sql" ); if ( $sql_where ) { if ( $sql_select !~ m{where}i ) { $sql_where = " where $sql_where"; } else { $sql_where = " and $sql_where"; } } my $sql = $sql_select . $sql_where # . ( $objectclass =~ m{person}i ? " LIMIT $max_results" : '' ) # add limit just for persons ; warn "# SQL:\n$sql\n# DATA: ",dump( @values ); my $dbh = DBI->connect_cached($dsn . $database, $user,$passwd, { RaiseError => 1, AutoCommit => 1 }) || die $DBI::errstr; my $sth = $dbh->prepare( $sql ); $sth->execute( @values ); warn "# ", $sth->rows, " results for ",dump( $reqData->{'filter'} ); my $last_dn = '?'; my $entry; while (my $row = $sth->fetchrow_hashref) { my ( $dn, $attributes ) = _dn_attributes( $row, $base ); warn "## dn $last_dn ... $dn\n" if $debug; if ( $dn ne $last_dn ) { if ( $entry ) { #$entry->changetype( 'modify' ); warn "### entry ",$entry->dump( \*STDERR ) if $debug; push @entries, $entry; undef $entry; } $dn =~ s{@[^,]+}{}; $entry = Net::LDAP::Entry->new; $entry->dn( $dn ); $entry->add( %$attributes ); } else { foreach my $n ( keys %$attributes ) { my $v = $attributes->{$n}; warn "## attr $n = $v\n" if $debug; $entry->add( $n, $v ) if $entry->get_value( $n ) ne $v; } } $last_dn = $dn; } if ( $entry ) { warn "### last entry ",$entry->dump( \*STDERR ) if $debug; push @entries, $entry; } } else { warn "UNKNOWN request: ",dump( $reqData ); } return RESULT_OK, @entries; } # the rest of the operations will return an "unwilling to perform" 1;