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

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Revision 42 - (hide 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 dpavlin 32 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 dpavlin 42 our $max_results = 10; # 100; # FIXME
26 dpavlin 36
27 dpavlin 32 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 dpavlin 33 # 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 dpavlin 36 my $sql_select = q{
35 dpavlin 32 select
36 dpavlin 38 trim(userid) as uid,
37 dpavlin 39 firstname as givenName,
38     surname as sn,
39     concat(firstname,' ',surname) as cn,
40 dpavlin 38
41     -- SAFEQ specific mappings from UMgr-LDAP.conf
42 dpavlin 39 surname as displayName,
43 dpavlin 42 rfid_sid as pager,
44 dpavlin 39 email as mail,
45 dpavlin 38 categorycode as organizationalUnit,
46     borrowernumber as objectGUID,
47 dpavlin 39 concat('/home/',borrowernumber) as homeDirectory
48 dpavlin 32 from borrowers
49 dpavlin 36 };
50 dpavlin 32
51 dpavlin 39 # 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 dpavlin 42 'pager' => 'rfid_sid',
58 dpavlin 36 };
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} || $name;
70     }
71    
72 dpavlin 32 use constant RESULT_OK => {
73     'matchedDN' => '',
74     'errorMessage' => '',
75     'resultCode' => LDAP_SUCCESS
76     };
77    
78     # constructor
79     sub new {
80     my ($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 dpavlin 39 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 dpavlin 32 # the search operation
130     sub search {
131     my $self = shift;
132     my $reqData = shift;
133     print "searching...\n";
134    
135 dpavlin 36 warn "# " . localtime() . " request = ", dump($reqData);
136 dpavlin 32
137     my $base = $reqData->{'baseObject'}; # FIXME use it?
138    
139     my @entries;
140 dpavlin 36 if ( $reqData->{'filter'} ) {
141 dpavlin 32
142 dpavlin 36 my $sql_where = '';
143 dpavlin 39 @values = ();
144 dpavlin 32
145 dpavlin 36 foreach my $join_with ( keys %{ $reqData->{'filter'} } ) {
146 dpavlin 32
147 dpavlin 36 warn "## join_with $join_with\n";
148 dpavlin 32
149 dpavlin 39 @limits = ();
150 dpavlin 36
151 dpavlin 40 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 dpavlin 36 }
163     }
164 dpavlin 40
165     $sql_where .= ' ' . join( " $join_with ", @limits );
166    
167     } else {
168     __ldap_search_to_sql( $join_with, $reqData->{'filter'}->{$join_with} );
169 dpavlin 36 }
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 dpavlin 32 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 dpavlin 40 $dn .= ',' . $base unless $dn =~ m{dc}i;
190 dpavlin 32
191     my $entry = Net::LDAP::Entry->new;
192 dpavlin 40 $entry->dn( $dn );
193     $entry->add( objectClass => [
194     "person",
195     "organizationalPerson",
196     "inetOrgPerson",
197     "hrEduPerson",
198     ] );
199 dpavlin 32 $entry->add( %$row );
200    
201 dpavlin 40 #$entry->changetype( 'modify' );
202 dpavlin 32
203 dpavlin 40 warn "### entry ",$entry->dump( \*STDERR );
204    
205 dpavlin 32 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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