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

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Revision 62 - (hide annotations)
Thu Feb 18 16:22:32 2010 UTC (14 years, 1 month ago) by dpavlin
File size: 6069 byte(s)
remove debug output and limit on objectclass=*person*
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 62 my $debug = 0; # XXX very slow
19    
20 dpavlin 32 # XXX test with:
21     #
22     # ldapsearch -h localhost -p 2389 -b dc=ffzg,dc=hr -x 'otherPager=200903160021'
23     #
24    
25     our $dsn = 'DBI:mysql:dbname=';
26     our $database = 'koha';
27     our $user = 'unconfigured-user';
28     our $passwd = 'unconfigured-password';
29    
30 dpavlin 52 our $max_results = $ENV{MAX_RESULTS} || 3000; # FIXME must be enough for all users
31 dpavlin 51 our $objectclass_default = 'hrEduPerson';
32 dpavlin 36
33 dpavlin 51 our $objectclass;
34 dpavlin 46
35     $SIG{__DIE__} = sub {
36     warn "!!! DIE ", @_;
37     die @_;
38     };
39    
40 dpavlin 32 require 'config.pl' if -e 'config.pl';
41    
42 dpavlin 43 my $dbh = DBI->connect($dsn . $database, $user,$passwd, { RaiseError => 1, AutoCommit => 1 }) || die $DBI::errstr;
43 dpavlin 32
44 dpavlin 47 # we need reverse LDAP -> SQL mapping for where clause
45 dpavlin 46
46 dpavlin 39 my $ldap_sql_mapping = {
47     'uid' => 'userid',
48     'objectGUID' => 'borrowernumber',
49     'displayName' => 'surname',
50     'sn' => 'surname',
51 dpavlin 60 'pager' => 'a.attribute', # was: rfid_sid
52 dpavlin 36 };
53    
54     sub __sql_column {
55     my $name = shift;
56     $ldap_sql_mapping->{$name} || $name;
57     }
58    
59 dpavlin 32 use constant RESULT_OK => {
60     'matchedDN' => '',
61     'errorMessage' => '',
62     'resultCode' => LDAP_SUCCESS
63     };
64    
65     # constructor
66     sub new {
67     my ($class, $sock) = @_;
68     my $self = $class->SUPER::new($sock);
69     print "connection from: ", $sock->peerhost(), "\n";
70     return $self;
71     }
72    
73     # the bind operation
74     sub bind {
75     my $self = shift;
76     my $reqData = shift;
77     warn "# bind ",dump($reqData);
78     return RESULT_OK;
79     }
80    
81 dpavlin 39 our @values;
82     our @limits;
83    
84     sub __ldap_search_to_sql {
85     my ( $how, $what ) = @_;
86 dpavlin 44 warn "### __ldap_search_to_sql $how ",dump( $what ),"\n";
87 dpavlin 39 if ( $how eq 'equalityMatch' && defined $what ) {
88     my $name = $what->{attributeDesc} || warn "ERROR: no attributeDesc?";
89     my $value = $what->{assertionValue} || warn "ERROR: no assertionValue?";
90 dpavlin 46
91     if ( lc $name eq 'objectclass' ) {
92     $objectclass = $value;
93     } else {
94 dpavlin 39 push @limits, __sql_column($name) . ' = ?';
95     push @values, $value;
96     }
97     } elsif ( $how eq 'substrings' ) {
98     foreach my $substring ( @{ $what->{substrings} } ) {
99     my $name = $what->{type} || warn "ERROR: no type?";
100     while ( my($op,$value) = each %$substring ) {
101     push @limits, __sql_column($name) . ' LIKE ?';
102     if ( $op eq 'any' ) {
103     $value = '%' . $value . '%';
104     } else {
105     warn "UNSUPPORTED: op $op - using plain $value";
106     }
107     push @values, $value;
108     }
109     }
110     } elsif ( $how eq 'present' ) {
111     my $name = __sql_column( $what );
112     push @limits, "$name IS NOT NULL and length($name) > 1";
113     ## XXX length(foo) > 1 to avoid empty " " strings
114     } else {
115 dpavlin 44 warn "UNSUPPORTED: $how ",dump( $what );
116 dpavlin 39 }
117     }
118    
119 dpavlin 47
120     # my ( $dn,$attributes ) = _dn_attributes( $row, $base );
121    
122     sub _dn_attributes {
123     my ($row,$base) = @_;
124    
125 dpavlin 62 warn "## row = ",dump( $row ) if $debug;
126 dpavlin 47
127     die "no objectClass column in ",dump( $row ) unless defined $row->{objectClass};
128    
129     $row->{objectClass} = [ split(/\s+/, $row->{objectClass}) ] if $row->{objectClass} =~ m{\n};
130    
131 dpavlin 62 warn "## row = ",dump( $row ) if $debug;
132 dpavlin 47
133     my $dn = delete( $row->{dn} ) || die "no dn in ",dump( $row );
134    
135     # this does some sanity cleanup for our data
136 dpavlin 55 # my $base_as_domain = $base;
137     # $base_as_domain =~ s{dn=}{.};
138     # $base_as_domain =~ s{^\.}{@};
139     # $dn =~ s{$base_as_domain$}{};
140     #
141     # $dn .= ',' . $base unless $dn =~ m{,}; # add base if none present
142 dpavlin 47
143     return ($dn, $row);
144     }
145    
146    
147 dpavlin 32 # the search operation
148     sub search {
149     my $self = shift;
150     my $reqData = shift;
151     print "searching...\n";
152    
153 dpavlin 36 warn "# " . localtime() . " request = ", dump($reqData);
154 dpavlin 32
155     my $base = $reqData->{'baseObject'}; # FIXME use it?
156    
157     my @entries;
158 dpavlin 36 if ( $reqData->{'filter'} ) {
159 dpavlin 32
160 dpavlin 36 my $sql_where = '';
161 dpavlin 39 @values = ();
162 dpavlin 51 $objectclass = '';
163 dpavlin 32
164 dpavlin 45 foreach my $filter ( keys %{ $reqData->{'filter'} } ) {
165 dpavlin 32
166 dpavlin 45 warn "## filter $filter ", dump( $reqData->{'filter'}->{ $filter } ), "\n";
167 dpavlin 32
168 dpavlin 39 @limits = ();
169 dpavlin 36
170 dpavlin 45 if ( ref $reqData->{'filter'}->{ $filter } eq 'ARRAY' ) {
171 dpavlin 40
172 dpavlin 45 foreach my $filter ( @{ $reqData->{'filter'}->{ $filter } } ) {
173 dpavlin 40 warn "### filter ",dump($filter),$/;
174     foreach my $how ( keys %$filter ) {
175     if ( $how eq 'or' ) {
176     __ldap_search_to_sql( %$_ ) foreach ( @{ $filter->{$how} } );
177     } else {
178     __ldap_search_to_sql( $how, $filter->{$how} );
179     }
180     warn "## limits ",dump(@limits), " values ",dump(@values);
181 dpavlin 36 }
182     }
183 dpavlin 40
184     } else {
185 dpavlin 45 __ldap_search_to_sql( $filter, $reqData->{'filter'}->{$filter} );
186 dpavlin 36 }
187    
188 dpavlin 50 $sql_where .= ' ' . join( " $filter ", @limits ) if @limits;
189 dpavlin 49
190 dpavlin 36 }
191    
192 dpavlin 51 $objectclass ||= $objectclass_default;
193    
194 dpavlin 50 my $sql_select = read_file( lc "sql/$objectclass.sql" );
195 dpavlin 36 if ( $sql_where ) {
196 dpavlin 50 if ( $sql_select !~ m{where}i ) {
197     $sql_where = " where $sql_where";
198     } else {
199     $sql_where = " and $sql_where";
200     }
201 dpavlin 36 }
202    
203 dpavlin 46
204 dpavlin 52 my $sql
205     = $sql_select
206     . $sql_where
207 dpavlin 62 # . ( $objectclass =~ m{person}i ? " LIMIT $max_results" : '' ) # add limit just for persons
208 dpavlin 52 ;
209    
210     warn "# SQL:\n$sql\n# DATA: ",dump( @values );
211     my $sth = $dbh->prepare( $sql );
212 dpavlin 36 $sth->execute( @values );
213    
214     warn "# ", $sth->rows, " results for ",dump( $reqData->{'filter'} );
215    
216 dpavlin 48 my $last_dn = '?';
217     my $entry;
218    
219 dpavlin 32 while (my $row = $sth->fetchrow_hashref) {
220    
221 dpavlin 47 my ( $dn, $attributes ) = _dn_attributes( $row, $base );
222 dpavlin 46
223 dpavlin 48 warn "# dn $last_dn ... $dn\n";
224 dpavlin 32
225 dpavlin 48 if ( $dn ne $last_dn ) {
226 dpavlin 32
227 dpavlin 48 if ( $entry ) {
228     #$entry->changetype( 'modify' );
229     warn "### entry ",$entry->dump( \*STDERR );
230     push @entries, $entry;
231     undef $entry;
232     }
233 dpavlin 40
234 dpavlin 58 $dn =~ s{@[^,]+}{};
235    
236 dpavlin 48 $entry = Net::LDAP::Entry->new;
237     $entry->dn( $dn );
238    
239     $entry->add( %$attributes );
240    
241     } else {
242     foreach my $n ( keys %$attributes ) {
243     my $v = $attributes->{$n};
244     warn "# attr $n = $v\n";
245     $entry->add( $n, $v ) if $entry->get_value( $n ) ne $v;
246     }
247     }
248    
249    
250     $last_dn = $dn;
251    
252 dpavlin 32 }
253    
254 dpavlin 53 if ( $entry ) {
255     warn "### last entry ",$entry->dump( \*STDERR );
256     push @entries, $entry;
257     }
258 dpavlin 48
259 dpavlin 32 } else {
260     warn "UNKNOWN request: ",dump( $reqData );
261     }
262    
263     return RESULT_OK, @entries;
264     }
265    
266     # the rest of the operations will return an "unwilling to perform"
267    
268     1;

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