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

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Revision 47 - (hide annotations)
Fri Apr 17 21:39:45 2009 UTC (14 years, 11 months ago) by dpavlin
File size: 5244 byte(s)
split out sql queries into own files for easier
maintenance

1 dpavlin 32 package LDAP::Koha;
2    
3     use strict;
4     use warnings;
5    
6     use lib '../lib';
7 dpavlin 47
8 dpavlin 32 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 dpavlin 47 use File::Slurp;
15 dpavlin 32
16 dpavlin 47 use Data::Dump qw/dump/;
17    
18 dpavlin 32 # XXX test with:
19     #
20     # ldapsearch -h localhost -p 2389 -b dc=ffzg,dc=hr -x 'otherPager=200903160021'
21     #
22    
23     our $dsn = 'DBI:mysql:dbname=';
24     our $database = 'koha';
25     our $user = 'unconfigured-user';
26     our $passwd = 'unconfigured-password';
27    
28 dpavlin 47 our $max_results = 15; # 100; # FIXME
29 dpavlin 36
30 dpavlin 46 our $objectclass = 'HrEduPerson';
31    
32     $SIG{__DIE__} = sub {
33     warn "!!! DIE ", @_;
34     die @_;
35     };
36    
37 dpavlin 32 require 'config.pl' if -e 'config.pl';
38    
39 dpavlin 43 my $dbh = DBI->connect($dsn . $database, $user,$passwd, { RaiseError => 1, AutoCommit => 1 }) || die $DBI::errstr;
40 dpavlin 32
41 dpavlin 47 # we need reverse LDAP -> SQL mapping for where clause
42 dpavlin 46
43 dpavlin 39 my $ldap_sql_mapping = {
44     'uid' => 'userid',
45     'objectGUID' => 'borrowernumber',
46     'displayName' => 'surname',
47     'sn' => 'surname',
48 dpavlin 42 'pager' => 'rfid_sid',
49 dpavlin 36 };
50    
51     sub __sql_column {
52     my $name = shift;
53     $ldap_sql_mapping->{$name} || $name;
54     }
55    
56 dpavlin 32 use constant RESULT_OK => {
57     'matchedDN' => '',
58     'errorMessage' => '',
59     'resultCode' => LDAP_SUCCESS
60     };
61    
62     # constructor
63     sub new {
64     my ($class, $sock) = @_;
65     my $self = $class->SUPER::new($sock);
66     print "connection from: ", $sock->peerhost(), "\n";
67     return $self;
68     }
69    
70     # the bind operation
71     sub bind {
72     my $self = shift;
73     my $reqData = shift;
74     warn "# bind ",dump($reqData);
75     return RESULT_OK;
76     }
77    
78 dpavlin 39 our @values;
79     our @limits;
80    
81     sub __ldap_search_to_sql {
82     my ( $how, $what ) = @_;
83 dpavlin 44 warn "### __ldap_search_to_sql $how ",dump( $what ),"\n";
84 dpavlin 39 if ( $how eq 'equalityMatch' && defined $what ) {
85     my $name = $what->{attributeDesc} || warn "ERROR: no attributeDesc?";
86     my $value = $what->{assertionValue} || warn "ERROR: no assertionValue?";
87 dpavlin 46
88     if ( lc $name eq 'objectclass' ) {
89     $objectclass = $value;
90     } else {
91 dpavlin 39 push @limits, __sql_column($name) . ' = ?';
92     push @values, $value;
93     }
94     } elsif ( $how eq 'substrings' ) {
95     foreach my $substring ( @{ $what->{substrings} } ) {
96     my $name = $what->{type} || warn "ERROR: no type?";
97     while ( my($op,$value) = each %$substring ) {
98     push @limits, __sql_column($name) . ' LIKE ?';
99     if ( $op eq 'any' ) {
100     $value = '%' . $value . '%';
101     } else {
102     warn "UNSUPPORTED: op $op - using plain $value";
103     }
104     push @values, $value;
105     }
106     }
107     } elsif ( $how eq 'present' ) {
108     my $name = __sql_column( $what );
109     push @limits, "$name IS NOT NULL and length($name) > 1";
110     ## XXX length(foo) > 1 to avoid empty " " strings
111     } else {
112 dpavlin 44 warn "UNSUPPORTED: $how ",dump( $what );
113 dpavlin 39 }
114     }
115    
116 dpavlin 47
117     # my ( $dn,$attributes ) = _dn_attributes( $row, $base );
118    
119     sub _dn_attributes {
120     my ($row,$base) = @_;
121    
122     warn "## row = ",dump( $row );
123    
124     die "no objectClass column in ",dump( $row ) unless defined $row->{objectClass};
125    
126     $row->{objectClass} = [ split(/\s+/, $row->{objectClass}) ] if $row->{objectClass} =~ m{\n};
127    
128     warn "## row = ",dump( $row );
129    
130     my $dn = delete( $row->{dn} ) || die "no dn in ",dump( $row );
131    
132     # this does some sanity cleanup for our data
133     my $base_as_domain = $base;
134     $base_as_domain =~ s{dn=}{.};
135     $base_as_domain =~ s{^\.}{@};
136     $dn =~ s{$base_as_domain$}{};
137    
138     $dn .= ',' . $base unless $dn =~ m{,}; # add base if none present
139    
140     return ($dn, $row);
141     }
142    
143    
144 dpavlin 32 # the search operation
145     sub search {
146     my $self = shift;
147     my $reqData = shift;
148     print "searching...\n";
149    
150 dpavlin 36 warn "# " . localtime() . " request = ", dump($reqData);
151 dpavlin 32
152     my $base = $reqData->{'baseObject'}; # FIXME use it?
153    
154     my @entries;
155 dpavlin 36 if ( $reqData->{'filter'} ) {
156 dpavlin 32
157 dpavlin 36 my $sql_where = '';
158 dpavlin 39 @values = ();
159 dpavlin 32
160 dpavlin 45 foreach my $filter ( keys %{ $reqData->{'filter'} } ) {
161 dpavlin 32
162 dpavlin 45 warn "## filter $filter ", dump( $reqData->{'filter'}->{ $filter } ), "\n";
163 dpavlin 32
164 dpavlin 39 @limits = ();
165 dpavlin 36
166 dpavlin 45 if ( ref $reqData->{'filter'}->{ $filter } eq 'ARRAY' ) {
167 dpavlin 40
168 dpavlin 45 foreach my $filter ( @{ $reqData->{'filter'}->{ $filter } } ) {
169 dpavlin 40 warn "### filter ",dump($filter),$/;
170     foreach my $how ( keys %$filter ) {
171     if ( $how eq 'or' ) {
172     __ldap_search_to_sql( %$_ ) foreach ( @{ $filter->{$how} } );
173     } else {
174     __ldap_search_to_sql( $how, $filter->{$how} );
175     }
176     warn "## limits ",dump(@limits), " values ",dump(@values);
177 dpavlin 36 }
178     }
179 dpavlin 40
180 dpavlin 45 $sql_where .= ' ' . join( " $filter ", @limits );
181 dpavlin 40
182     } else {
183 dpavlin 45 __ldap_search_to_sql( $filter, $reqData->{'filter'}->{$filter} );
184 dpavlin 36 }
185    
186     }
187    
188     if ( $sql_where ) {
189     $sql_where = " where $sql_where";
190     }
191    
192 dpavlin 47 my $sql_select = read_file( lc "sql/$objectclass.sql" );
193 dpavlin 46
194 dpavlin 47 warn "# SQL:\n$sql_select\n", $sql_where ? $sql_where : '-- no where', "\n# DATA: ",dump( @values );
195 dpavlin 36 my $sth = $dbh->prepare( $sql_select . $sql_where . " LIMIT $max_results" ); # XXX remove limit?
196     $sth->execute( @values );
197    
198     warn "# ", $sth->rows, " results for ",dump( $reqData->{'filter'} );
199    
200 dpavlin 32 while (my $row = $sth->fetchrow_hashref) {
201    
202 dpavlin 47 my ( $dn, $attributes ) = _dn_attributes( $row, $base );
203 dpavlin 46
204 dpavlin 32 my $entry = Net::LDAP::Entry->new;
205 dpavlin 40 $entry->dn( $dn );
206 dpavlin 47 $entry->add( %$attributes );
207 dpavlin 32
208 dpavlin 40 #$entry->changetype( 'modify' );
209 dpavlin 32
210 dpavlin 40 warn "### entry ",$entry->dump( \*STDERR );
211    
212 dpavlin 32 push @entries, $entry;
213     }
214    
215     } else {
216     warn "UNKNOWN request: ",dump( $reqData );
217     }
218    
219     return RESULT_OK, @entries;
220     }
221    
222     # the rest of the operations will return an "unwilling to perform"
223    
224     1;

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