/[virtual-ldap]/lib/LDAP/Koha.pm
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Contents of /lib/LDAP/Koha.pm

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Revision 42 - (show annotations)
Fri Mar 27 16:52:05 2009 UTC (15 years ago) by dpavlin
File size: 5240 byte(s)
use new column rfid_sid for card serial numbers
(as opposed to cardnumber which is data *ON* card)

1 package LDAP::Koha;
2
3 use strict;
4 use warnings;
5 use Data::Dump qw/dump/;
6
7 use lib '../lib';
8 use Net::LDAP::Constant qw(LDAP_SUCCESS);
9 use Net::LDAP::Server;
10 use base 'Net::LDAP::Server';
11 use fields qw();
12
13 use DBI;
14
15 # XXX test with:
16 #
17 # ldapsearch -h localhost -p 2389 -b dc=ffzg,dc=hr -x 'otherPager=200903160021'
18 #
19
20 our $dsn = 'DBI:mysql:dbname=';
21 our $database = 'koha';
22 our $user = 'unconfigured-user';
23 our $passwd = 'unconfigured-password';
24
25 our $max_results = 10; # 100; # FIXME
26
27 require 'config.pl' if -e 'config.pl';
28
29 my $dbh = DBI->connect($dsn . $database, $user,$passwd, { RaiseError => 1, AutoCommit => 0 }) || die $DBI::errstr;
30
31 # Net::LDAP::Entry will lc all our attribute names anyway, so
32 # we don't really care about correctCapitalization for LDAP
33 # attributes which won't pass through DBI
34 my $sql_select = q{
35 select
36 trim(userid) as uid,
37 firstname as givenName,
38 surname as sn,
39 concat(firstname,' ',surname) as cn,
40
41 -- SAFEQ specific mappings from UMgr-LDAP.conf
42 surname as displayName,
43 rfid_sid as pager,
44 email as mail,
45 categorycode as organizationalUnit,
46 borrowernumber as objectGUID,
47 concat('/home/',borrowernumber) as homeDirectory
48 from borrowers
49 };
50
51 # we need reverse LDAP -> SQL mapping for where clause
52 my $ldap_sql_mapping = {
53 'uid' => 'userid',
54 'objectGUID' => 'borrowernumber',
55 'displayName' => 'surname',
56 'sn' => 'surname',
57 'pager' => 'rfid_sid',
58 };
59
60 # attributes which are same for whole set, but somehow
61 # LDAP clients are sending they anyway and we don't
62 # have them in database
63 my $ldap_ignore = {
64 'objectclass' => 1,
65 };
66
67 sub __sql_column {
68 my $name = shift;
69 $ldap_sql_mapping->{$name} || $name;
70 }
71
72 use constant RESULT_OK => {
73 'matchedDN' => '',
74 'errorMessage' => '',
75 'resultCode' => LDAP_SUCCESS
76 };
77
78 # constructor
79 sub new {
80 my ($class, $sock) = @_;
81 my $self = $class->SUPER::new($sock);
82 print "connection from: ", $sock->peerhost(), "\n";
83 return $self;
84 }
85
86 # the bind operation
87 sub bind {
88 my $self = shift;
89 my $reqData = shift;
90 warn "# bind ",dump($reqData);
91 return RESULT_OK;
92 }
93
94 our @values;
95 our @limits;
96
97 sub __ldap_search_to_sql {
98 my ( $how, $what ) = @_;
99 warn "### how $how\n";
100 if ( $how eq 'equalityMatch' && defined $what ) {
101 my $name = $what->{attributeDesc} || warn "ERROR: no attributeDesc?";
102 my $value = $what->{assertionValue} || warn "ERROR: no assertionValue?";
103 if ( ! $ldap_ignore->{ $name } ) {
104 push @limits, __sql_column($name) . ' = ?';
105 push @values, $value;
106 }
107 } elsif ( $how eq 'substrings' ) {
108 foreach my $substring ( @{ $what->{substrings} } ) {
109 my $name = $what->{type} || warn "ERROR: no type?";
110 while ( my($op,$value) = each %$substring ) {
111 push @limits, __sql_column($name) . ' LIKE ?';
112 if ( $op eq 'any' ) {
113 $value = '%' . $value . '%';
114 } else {
115 warn "UNSUPPORTED: op $op - using plain $value";
116 }
117 push @values, $value;
118 }
119 }
120 } elsif ( $how eq 'present' ) {
121 my $name = __sql_column( $what );
122 push @limits, "$name IS NOT NULL and length($name) > 1";
123 ## XXX length(foo) > 1 to avoid empty " " strings
124 } else {
125 warn "UNSUPPORTED: how $how what ",dump( $what );
126 }
127 }
128
129 # the search operation
130 sub search {
131 my $self = shift;
132 my $reqData = shift;
133 print "searching...\n";
134
135 warn "# " . localtime() . " request = ", dump($reqData);
136
137 my $base = $reqData->{'baseObject'}; # FIXME use it?
138
139 my @entries;
140 if ( $reqData->{'filter'} ) {
141
142 my $sql_where = '';
143 @values = ();
144
145 foreach my $join_with ( keys %{ $reqData->{'filter'} } ) {
146
147 warn "## join_with $join_with\n";
148
149 @limits = ();
150
151 if ( ref $reqData->{'filter'}->{ $join_with } ) {
152
153 foreach my $filter ( @{ $reqData->{'filter'}->{ $join_with } } ) {
154 warn "### filter ",dump($filter),$/;
155 foreach my $how ( keys %$filter ) {
156 if ( $how eq 'or' ) {
157 __ldap_search_to_sql( %$_ ) foreach ( @{ $filter->{$how} } );
158 } else {
159 __ldap_search_to_sql( $how, $filter->{$how} );
160 }
161 warn "## limits ",dump(@limits), " values ",dump(@values);
162 }
163 }
164
165 $sql_where .= ' ' . join( " $join_with ", @limits );
166
167 } else {
168 __ldap_search_to_sql( $join_with, $reqData->{'filter'}->{$join_with} );
169 }
170
171 }
172
173 if ( $sql_where ) {
174 $sql_where = " where $sql_where";
175 }
176
177 warn "# SQL:\n$sql_select $sql_where\n# DATA: ",dump( @values );
178 my $sth = $dbh->prepare( $sql_select . $sql_where . " LIMIT $max_results" ); # XXX remove limit?
179 $sth->execute( @values );
180
181 warn "# ", $sth->rows, " results for ",dump( $reqData->{'filter'} );
182
183 while (my $row = $sth->fetchrow_hashref) {
184
185 warn "## row = ",dump( $row );
186
187 my $dn = 'uid=' . $row->{uid} || die "no uid";
188 $dn =~ s{[@\.]}{,dc=}g;
189 $dn .= ',' . $base unless $dn =~ m{dc}i;
190
191 my $entry = Net::LDAP::Entry->new;
192 $entry->dn( $dn );
193 $entry->add( objectClass => [
194 "person",
195 "organizationalPerson",
196 "inetOrgPerson",
197 "hrEduPerson",
198 ] );
199 $entry->add( %$row );
200
201 #$entry->changetype( 'modify' );
202
203 warn "### entry ",$entry->dump( \*STDERR );
204
205 push @entries, $entry;
206 }
207
208 } else {
209 warn "UNKNOWN request: ",dump( $reqData );
210 }
211
212 return RESULT_OK, @entries;
213 }
214
215 # the rest of the operations will return an "unwilling to perform"
216
217 1;

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