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

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Revision 36 - (show annotations)
Wed Mar 25 21:15:19 2009 UTC (15 years ago) by dpavlin
File size: 4518 byte(s)

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 = 3; # 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 userid as uid,
37 firstname as givenName,
38 surname as sn,
39 concat(
40 firstname,
41 ' ',
42 surname
43 ) as cn,
44 cardnumber as otherPager,
45 email as mail
46 from borrowers
47 };
48
49 # needed for where clause
50 my $sql_ldap_mapping = {
51 'userid' => 'uid',
52 };
53
54 # attributes which are same for whole set, but somehow
55 # LDAP clients are sending they anyway and we don't
56 # have them in database
57 my $ldap_ignore = {
58 'objectclass' => 1,
59 };
60
61 my $ldap_sql_mapping;
62 while ( my ($sql,$ldap) = each %$sql_ldap_mapping ) {
63 $ldap_sql_mapping->{ $ldap } = $sql;
64 }
65
66 sub __sql_column {
67 my $name = shift;
68 $ldap_sql_mapping->{$name} || $name;
69 }
70
71 use constant RESULT_OK => {
72 'matchedDN' => '',
73 'errorMessage' => '',
74 'resultCode' => LDAP_SUCCESS
75 };
76
77 # constructor
78 sub new {
79 my ($class, $sock) = @_;
80 my $self = $class->SUPER::new($sock);
81 print "connection from: ", $sock->peerhost(), "\n";
82 return $self;
83 }
84
85 # the bind operation
86 sub bind {
87 my $self = shift;
88 my $reqData = shift;
89 warn "# bind ",dump($reqData);
90 return RESULT_OK;
91 }
92
93 # the search operation
94 sub search {
95 my $self = shift;
96 my $reqData = shift;
97 print "searching...\n";
98
99 warn "# " . localtime() . " request = ", dump($reqData);
100
101 my $base = $reqData->{'baseObject'}; # FIXME use it?
102
103 my @entries;
104 if ( $reqData->{'filter'} ) {
105
106 my $sql_where = '';
107 my @values;
108
109 foreach my $join_with ( keys %{ $reqData->{'filter'} } ) {
110
111 warn "## join_with $join_with\n";
112
113 my @limits;
114
115 foreach my $filter ( @{ $reqData->{'filter'}->{ $join_with } } ) {
116 warn "### filter ",dump($filter),$/;
117 foreach my $how ( keys %$filter ) {
118 warn "### how $how\n";
119 if ( $how eq 'equalityMatch' && defined $filter->{$how} ) {
120 my $name = $filter->{$how}->{attributeDesc} || warn "ERROR: no attributeDesc?";
121 my $value = $filter->{$how}->{assertionValue} || warn "ERROR: no assertionValue?";
122 if ( ! $ldap_ignore->{ $name } ) {
123 push @limits, __sql_column($name) . ' = ?';
124 push @values, $value;
125 }
126 } elsif ( $how eq 'substrings' ) {
127 foreach my $substring ( @{ $filter->{$how}->{substrings} } ) {
128 my $name = $filter->{$how}->{type} || warn "ERROR: no type?";
129 while ( my($op,$value) = each %$substring ) {
130 push @limits, __sql_column($name) . ' LIKE ?';
131 if ( $op eq 'any' ) {
132 $value = '%' . $value . '%';
133 } else {
134 warn "UNSUPPORTED: op $op - using plain $value";
135 }
136 push @values, $value;
137 }
138 }
139 } elsif ( $how eq 'present' ) {
140 push @limits, __sql_column( $filter->{$how} ) . ' IS NOT NULL';
141 ## XXX add and length(foo) > 0 to avoid empty strings?
142 } else {
143 warn "UNSUPPORTED: how $how ",dump( $filter );
144 }
145 warn "## limits ",dump(@limits), " values ",dump(@values);
146 }
147 }
148
149 $sql_where .= ' ' . join( " $join_with ", @limits );
150
151 }
152
153 if ( $sql_where ) {
154 $sql_where = " where $sql_where";
155 }
156
157 warn "# SQL:\n$sql_select $sql_where\n# DATA: ",dump( @values );
158 my $sth = $dbh->prepare( $sql_select . $sql_where . " LIMIT $max_results" ); # XXX remove limit?
159 $sth->execute( @values );
160
161 warn "# ", $sth->rows, " results for ",dump( $reqData->{'filter'} );
162
163 while (my $row = $sth->fetchrow_hashref) {
164
165 warn "## row = ",dump( $row );
166
167 my $dn = 'uid=' . $row->{uid} || die "no uid";
168 $dn =~ s{[@\.]}{,dc=}g;
169
170 my $entry = Net::LDAP::Entry->new;
171 $entry->dn( $dn . $base );
172 $entry->add( %$row );
173
174 #warn "### entry ",dump( $entry );
175
176 push @entries, $entry;
177 }
178
179 } else {
180 warn "UNKNOWN request: ",dump( $reqData );
181 }
182
183 return RESULT_OK, @entries;
184 }
185
186 # the rest of the operations will return an "unwilling to perform"
187
188 1;

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