implement or
[virtual-ldap] / lib / LDAP / Koha.pm
index 3c7c1de..f3527d7 100644 (file)
@@ -22,21 +22,52 @@ our $database = 'koha';
 our $user     = 'unconfigured-user';
 our $passwd   = 'unconfigured-password';
 
+our $max_results = 10; # 100; # FIXME
+
 require 'config.pl' if -e 'config.pl';
 
 my $dbh = DBI->connect($dsn . $database, $user,$passwd, { RaiseError => 1, AutoCommit => 0 }) || die $DBI::errstr;
 
-my $sth = $dbh->prepare(q{
+# Net::LDAP::Entry will lc all our attribute names anyway, so
+# we don't really care about correctCapitalization for LDAP
+# attributes which won't pass through DBI
+my $sql_select = q{
        select
-               userid                  as uid,
-               firstname               as givenName,
-               surname                 as sn,
-               cardnumber              as otherPager,
-               email                   as mail
+               trim(userid)                                    as uid,
+               firstname                                       as givenName,
+               surname                                         as sn,
+               concat(firstname,' ',surname)                   as cn,
+
+               -- SAFEQ specific mappings from UMgr-LDAP.conf
+               surname                                         as displayName,
+               cardnumber                                      as pager,
+               email                                           as mail,
+               categorycode                                    as organizationalUnit,
+               borrowernumber                                  as objectGUID,
+               concat('/home/',borrowernumber)                 as homeDirectory
        from borrowers
-       where
-               cardnumber = ?
-});
+};
+
+# we need reverse LDAP -> SQL mapping for where clause
+my $ldap_sql_mapping = {
+       'uid'           => 'userid',
+       'objectGUID'    => 'borrowernumber',
+       'displayName'   => 'surname',
+       'sn'            => 'surname',
+       'pager'         => 'cardnumber',
+};
+
+# attributes which are same for whole set, but somehow
+# LDAP clients are sending they anyway and we don't
+# have them in database
+my $ldap_ignore = {
+       'objectclass' => 1,
+};
+
+sub __sql_column {
+       my $name = shift;
+       $ldap_sql_mapping->{$name} || $name;
+}
 
 use constant RESULT_OK => {
        'matchedDN' => '',
@@ -60,24 +91,88 @@ sub bind {
        return RESULT_OK;
 }
 
+our @values;
+our @limits;
+
+sub __ldap_search_to_sql {
+       my ( $how, $what ) = @_;
+       warn "### how $how\n";
+       if ( $how eq 'equalityMatch' && defined $what ) {
+               my $name = $what->{attributeDesc} || warn "ERROR: no attributeDesc?";
+               my $value = $what->{assertionValue} || warn "ERROR: no assertionValue?";
+               if ( ! $ldap_ignore->{ $name } ) {
+                       push @limits, __sql_column($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 $how what ",dump( $what );
+       }
+}
+
 # the search operation
 sub search {
        my $self = shift;
        my $reqData = shift;
        print "searching...\n";
 
-       warn "# request = ", dump($reqData);
+       warn "# " . localtime() . " request = ", dump($reqData);
 
        my $base = $reqData->{'baseObject'}; # FIXME use it?
 
        my @entries;
-       if ( $reqData->{'filter'}->{'equalityMatch'}->{'attributeDesc'} eq 'otherPager' ) {
+       if ( $reqData->{'filter'} ) {
+
+               my $sql_where = '';
+               @values = ();
+
+               foreach my $join_with ( keys %{ $reqData->{'filter'} } ) {
+
+                       warn "## join_with $join_with\n";
+
+                       @limits = ();
 
-               my $value = $reqData->{'filter'}->{'equalityMatch'}->{'assertionValue'} || die "no value?";
+                       foreach my $filter ( @{ $reqData->{'filter'}->{ $join_with } } ) {
+                               warn "### filter ",dump($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);
+                               }
+                       }
+
+                       $sql_where .= ' ' . join( " $join_with ", @limits );
+
+               }
+
+               if ( $sql_where ) {
+                       $sql_where = " where $sql_where";
+               }
 
-               $sth->execute( $value );
+               warn "# SQL:\n$sql_select $sql_where\n# DATA: ",dump( @values );
+               my $sth = $dbh->prepare( $sql_select . $sql_where . " LIMIT $max_results" ); # XXX remove limit?
+               $sth->execute( @values );
 
-               warn "# ", $sth->rows, " results for: $value\n";
+               warn "# ", $sth->rows, " results for ",dump( $reqData->{'filter'} );
 
                while (my $row = $sth->fetchrow_hashref) {
 
@@ -87,10 +182,10 @@ sub search {
                        $dn =~ s{[@\.]}{,dc=}g;
 
                        my $entry = Net::LDAP::Entry->new;
-                       $entry->dn( $dn );
+                       $entry->dn( $dn . $base );
                        $entry->add( %$row );
 
-                       #warn "## entry ",dump( $entry );
+                       #warn "### entry ",dump( $entry );
 
                        push @entries, $entry;
                }