/
rcube_ldap.php
2149 lines (1849 loc) · 76.4 KB
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rcube_ldap.php
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<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2006-2013, The Roundcube Dev Team |
| Copyright (C) 2011-2013, Kolab Systems AG |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Interface to an LDAP address directory |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
| Andreas Dick <andudi (at) gmx (dot) ch> |
| Aleksander Machniak <machniak@kolabsys.com> |
+-----------------------------------------------------------------------+
*/
/**
* Model class to access an LDAP address directory
*
* @package Framework
* @subpackage Addressbook
*/
class rcube_ldap extends rcube_addressbook
{
// public properties
public $primary_key = 'ID';
public $groups = false;
public $readonly = true;
public $ready = false;
public $group_id = 0;
public $coltypes = array();
public $export_groups = false;
// private properties
protected $ldap;
protected $formats = array();
protected $prop = array();
protected $fieldmap = array();
protected $filter = '';
protected $sub_filter;
protected $result;
protected $ldap_result;
protected $mail_domain = '';
protected $debug = false;
/**
* Group objectclass (lowercase) to member attribute mapping
*
* @var array
*/
private $group_types = array(
'group' => 'member',
'groupofnames' => 'member',
'kolabgroupofnames' => 'member',
'groupofuniquenames' => 'uniqueMember',
'kolabgroupofuniquenames' => 'uniqueMember',
'univentiongroup' => 'uniqueMember',
'groupofurls' => null,
);
private $base_dn = '';
private $groups_base_dn = '';
private $group_data;
private $group_search_cache;
private $cache;
/**
* Object constructor
*
* @param array $p LDAP connection properties
* @param boolean $debug Enables debug mode
* @param string $mail_domain Current user mail domain name
*/
function __construct($p, $debug = false, $mail_domain = null)
{
$this->prop = $p;
$fetch_attributes = array('objectClass');
// check if groups are configured
if (is_array($p['groups']) && count($p['groups'])) {
$this->groups = true;
// set member field
if (!empty($p['groups']['member_attr']))
$this->prop['member_attr'] = strtolower($p['groups']['member_attr']);
else if (empty($p['member_attr']))
$this->prop['member_attr'] = 'member';
// set default name attribute to cn
if (empty($this->prop['groups']['name_attr']))
$this->prop['groups']['name_attr'] = 'cn';
if (empty($this->prop['groups']['scope']))
$this->prop['groups']['scope'] = 'sub';
// extend group objectclass => member attribute mapping
if (!empty($this->prop['groups']['class_member_attr']))
$this->group_types = array_merge($this->group_types, $this->prop['groups']['class_member_attr']);
// add group name attrib to the list of attributes to be fetched
$fetch_attributes[] = $this->prop['groups']['name_attr'];
}
if (is_array($p['group_filters'])) {
$this->groups = $this->groups || count($p['group_filters']);
foreach ($p['group_filters'] as $k => $group_filter) {
// set default name attribute to cn
if (empty($group_filter['name_attr']) && empty($this->prop['groups']['name_attr']))
$this->prop['group_filters'][$k]['name_attr'] = $group_filter['name_attr'] = 'cn';
if ($group_filter['name_attr'])
$fetch_attributes[] = $group_filter['name_attr'];
}
}
// fieldmap property is given
if (is_array($p['fieldmap'])) {
$p['fieldmap'] = array_filter($p['fieldmap']);
foreach ($p['fieldmap'] as $rf => $lf)
$this->fieldmap[$rf] = $this->_attr_name($lf);
}
else if (!empty($p)) {
// read deprecated *_field properties to remain backwards compatible
foreach ($p as $prop => $value)
if (!empty($value) && preg_match('/^(.+)_field$/', $prop, $matches))
$this->fieldmap[$matches[1]] = $this->_attr_name($value);
}
// use fieldmap to advertise supported coltypes to the application
foreach ($this->fieldmap as $colv => $lfv) {
list($col, $type) = explode(':', $colv);
$params = explode(':', $lfv);
$lf = array_shift($params);
$limit = 1;
foreach ($params as $idx => $param) {
// field format specification
if (preg_match('/^(date)\[(.+)\]$/i', $param, $m)) {
$this->formats[$lf] = array('type' => strtolower($m[1]), 'format' => $m[2]);
}
// first argument is a limit
else if ($idx === 0) {
if ($param == '*') $limit = null;
else $limit = max(1, intval($param));
}
// second is a composite field separator
else if ($idx === 1 && $param) {
$this->coltypes[$col]['serialized'][$type] = $param;
}
}
if (!is_array($this->coltypes[$col])) {
$subtypes = $type ? array($type) : null;
$this->coltypes[$col] = array('limit' => $limit, 'subtypes' => $subtypes, 'attributes' => array($lf));
}
elseif ($type) {
$this->coltypes[$col]['subtypes'][] = $type;
$this->coltypes[$col]['attributes'][] = $lf;
$this->coltypes[$col]['limit'] += $limit;
}
$this->fieldmap[$colv] = $lf;
}
// support for composite address
if ($this->coltypes['street'] && $this->coltypes['locality']) {
$this->coltypes['address'] = array(
'limit' => max(1, $this->coltypes['locality']['limit'] + $this->coltypes['address']['limit']),
'subtypes' => array_merge((array)$this->coltypes['address']['subtypes'], (array)$this->coltypes['locality']['subtypes']),
'childs' => array(),
) + (array)$this->coltypes['address'];
foreach (array('street','locality','zipcode','region','country') as $childcol) {
if ($this->coltypes[$childcol]) {
$this->coltypes['address']['childs'][$childcol] = array('type' => 'text');
unset($this->coltypes[$childcol]); // remove address child col from global coltypes list
}
}
// at least one address type must be specified
if (empty($this->coltypes['address']['subtypes'])) {
$this->coltypes['address']['subtypes'] = array('home');
}
}
else if ($this->coltypes['address']) {
$this->coltypes['address'] += array('type' => 'textarea', 'childs' => null, 'size' => 40);
// 'serialized' means the UI has to present a composite address field
if ($this->coltypes['address']['serialized']) {
$childprop = array('type' => 'text');
$this->coltypes['address']['type'] = 'composite';
$this->coltypes['address']['childs'] = array('street' => $childprop, 'locality' => $childprop, 'zipcode' => $childprop, 'country' => $childprop);
}
}
// make sure 'required_fields' is an array
if (!is_array($this->prop['required_fields'])) {
$this->prop['required_fields'] = (array) $this->prop['required_fields'];
}
// make sure LDAP_rdn field is required
if (!empty($this->prop['LDAP_rdn']) && !in_array($this->prop['LDAP_rdn'], $this->prop['required_fields'])
&& !in_array($this->prop['LDAP_rdn'], array_keys((array)$this->prop['autovalues']))) {
$this->prop['required_fields'][] = $this->prop['LDAP_rdn'];
}
foreach ($this->prop['required_fields'] as $key => $val) {
$this->prop['required_fields'][$key] = $this->_attr_name($val);
}
// Build sub_fields filter
if (!empty($this->prop['sub_fields']) && is_array($this->prop['sub_fields'])) {
$this->sub_filter = '';
foreach ($this->prop['sub_fields'] as $class) {
if (!empty($class)) {
$class = is_array($class) ? array_pop($class) : $class;
$this->sub_filter .= '(objectClass=' . $class . ')';
}
}
if (count($this->prop['sub_fields']) > 1) {
$this->sub_filter = '(|' . $this->sub_filter . ')';
}
}
$this->sort_col = is_array($p['sort']) ? $p['sort'][0] : $p['sort'];
$this->debug = $debug;
$this->mail_domain = $this->prop['mail_domain'] = $mail_domain;
// initialize cache
$rcube = rcube::get_instance();
if ($cache_type = $rcube->config->get('ldap_cache', 'db')) {
$cache_ttl = $rcube->config->get('ldap_cache_ttl', '10m');
$cache_name = 'LDAP.' . asciiwords($this->prop['name']);
$this->cache = $rcube->get_cache($cache_name, $cache_type, $cache_ttl);
}
// determine which attributes to fetch
$this->prop['list_attributes'] = array_unique($fetch_attributes);
$this->prop['attributes'] = array_merge(array_values($this->fieldmap), $fetch_attributes);
foreach ($rcube->config->get('contactlist_fields') as $col) {
$this->prop['list_attributes'] = array_merge($this->prop['list_attributes'], $this->_map_field($col));
}
// initialize ldap wrapper object
$this->ldap = new rcube_ldap_generic($this->prop);
$this->ldap->config_set(array('cache' => $this->cache, 'debug' => $this->debug));
$this->_connect();
}
/**
* Establish a connection to the LDAP server
*/
private function _connect()
{
$rcube = rcube::get_instance();
if ($this->ready) {
return true;
}
if (!is_array($this->prop['hosts'])) {
$this->prop['hosts'] = array($this->prop['hosts']);
}
// try to connect + bind for every host configured
// with OpenLDAP 2.x ldap_connect() always succeeds but ldap_bind will fail if host isn't reachable
// see http://www.php.net/manual/en/function.ldap-connect.php
foreach ($this->prop['hosts'] as $host) {
// skip host if connection failed
if (!$this->ldap->connect($host)) {
continue;
}
// See if the directory is writeable.
if ($this->prop['writable']) {
$this->readonly = false;
}
$bind_pass = $this->prop['bind_pass'];
$bind_user = $this->prop['bind_user'];
$bind_dn = $this->prop['bind_dn'];
$auth_method = $this->prop['auth_method'];
$this->base_dn = $this->prop['base_dn'];
$this->groups_base_dn = $this->prop['groups']['base_dn'] ?: $this->base_dn;
// User specific access, generate the proper values to use.
if ($this->prop['user_specific']) {
// No password set, use the session password
if (empty($bind_pass)) {
$bind_pass = $rcube->get_user_password();
}
// Get the pieces needed for variable replacement.
if ($fu = $rcube->get_user_email()) {
list($u, $d) = explode('@', $fu);
}
else {
$d = $this->mail_domain;
}
$dc = 'dc='.strtr($d, array('.' => ',dc=')); // hierarchal domain string
// resolve $dc through LDAP
if (!empty($this->prop['domain_filter']) && !empty($this->prop['search_bind_dn']) &&
method_exists($this->ldap, 'domain_root_dn')) {
$this->ldap->bind($this->prop['search_bind_dn'], $this->prop['search_bind_pw']);
$dc = $this->ldap->domain_root_dn($d);
}
$replaces = array('%dn' => '', '%dc' => $dc, '%d' => $d, '%fu' => $fu, '%u' => $u);
// Search for the dn to use to authenticate
if ($this->prop['search_base_dn'] && $this->prop['search_filter']
&& (strstr($bind_dn, '%dn') || strstr($this->base_dn, '%dn') || strstr($this->groups_base_dn, '%dn'))
) {
$search_attribs = array('uid');
if ($search_bind_attrib = (array)$this->prop['search_bind_attrib']) {
foreach ($search_bind_attrib as $r => $attr) {
$search_attribs[] = $attr;
$replaces[$r] = '';
}
}
$search_bind_dn = strtr($this->prop['search_bind_dn'], $replaces);
$search_base_dn = strtr($this->prop['search_base_dn'], $replaces);
$search_filter = strtr($this->prop['search_filter'], $replaces);
$cache_key = 'DN.' . md5("$host:$search_bind_dn:$search_base_dn:$search_filter:"
.$this->prop['search_bind_pw']);
if ($this->cache && ($dn = $this->cache->get($cache_key))) {
$replaces['%dn'] = $dn;
}
else {
$ldap = $this->ldap;
if (!empty($search_bind_dn) && !empty($this->prop['search_bind_pw'])) {
// To protect from "Critical extension is unavailable" error
// we need to use a separate LDAP connection
if (!empty($this->prop['vlv'])) {
$ldap = new rcube_ldap_generic($this->prop);
$ldap->config_set(array('cache' => $this->cache, 'debug' => $this->debug));
if (!$ldap->connect($host)) {
continue;
}
}
if (!$ldap->bind($search_bind_dn, $this->prop['search_bind_pw'])) {
continue; // bind failed, try next host
}
}
$res = $ldap->search($search_base_dn, $search_filter, 'sub', $search_attribs);
if ($res) {
$res->rewind();
$replaces['%dn'] = key($res->entries(TRUE));
// add more replacements from 'search_bind_attrib' config
if ($search_bind_attrib) {
$res = $res->current();
foreach ($search_bind_attrib as $r => $attr) {
$replaces[$r] = $res[$attr][0];
}
}
}
if ($ldap != $this->ldap) {
$ldap->close();
}
}
// DN not found
if (empty($replaces['%dn'])) {
if (!empty($this->prop['search_dn_default']))
$replaces['%dn'] = $this->prop['search_dn_default'];
else {
rcube::raise_error(array(
'code' => 100, 'type' => 'ldap',
'file' => __FILE__, 'line' => __LINE__,
'message' => "DN not found using LDAP search."), true);
continue;
}
}
if ($this->cache && !empty($replaces['%dn'])) {
$this->cache->set($cache_key, $replaces['%dn']);
}
}
// Replace the bind_dn and base_dn variables.
$bind_dn = strtr($bind_dn, $replaces);
$this->base_dn = strtr($this->base_dn, $replaces);
$this->groups_base_dn = strtr($this->groups_base_dn, $replaces);
// replace placeholders in filter settings
if (!empty($this->prop['filter']))
$this->prop['filter'] = strtr($this->prop['filter'], $replaces);
foreach (array('base_dn','filter','member_filter') as $k) {
if (!empty($this->prop['groups'][$k]))
$this->prop['groups'][$k] = strtr($this->prop['groups'][$k], $replaces);
}
if (is_array($this->prop['group_filters'])) {
foreach ($this->prop['group_filters'] as $i => $gf) {
if (!empty($gf['base_dn']))
$this->prop['group_filters'][$i]['base_dn'] = strtr($gf['base_dn'], $replaces);
if (!empty($gf['filter']))
$this->prop['group_filters'][$i]['filter'] = strtr($gf['filter'], $replaces);
}
}
if (empty($bind_user)) {
$bind_user = $u;
}
}
if (empty($bind_pass) && strcasecmp($auth_method, 'GSSAPI') != 0) {
$this->ready = true;
}
else {
if (!empty($bind_dn)) {
$this->ready = $this->ldap->bind($bind_dn, $bind_pass);
}
else if (!empty($this->prop['auth_cid'])) {
$this->ready = $this->ldap->sasl_bind($this->prop['auth_cid'], $bind_pass, $bind_user);
}
else {
$this->ready = $this->ldap->sasl_bind($bind_user, $bind_pass);
}
}
// connection established, we're done here
if ($this->ready) {
break;
}
} // end foreach hosts
if (!is_resource($this->ldap->conn)) {
rcube::raise_error(array('code' => 100, 'type' => 'ldap',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Could not connect to any LDAP server, last tried $host"), true);
return false;
}
return $this->ready;
}
/**
* Close connection to LDAP server
*/
function close()
{
if ($this->ldap) {
$this->ldap->close();
}
}
/**
* Returns address book name
*
* @return string Address book name
*/
function get_name()
{
return $this->prop['name'];
}
/**
* Set internal list page
*
* @param number Page number to list
*/
function set_page($page)
{
$this->list_page = (int)$page;
$this->ldap->set_vlv_page($this->list_page, $this->page_size);
}
/**
* Set internal page size
*
* @param number Number of records to display on one page
*/
function set_pagesize($size)
{
$this->page_size = (int)$size;
$this->ldap->set_vlv_page($this->list_page, $this->page_size);
}
/**
* Set internal sort settings
*
* @param string $sort_col Sort column
* @param string $sort_order Sort order
*/
function set_sort_order($sort_col, $sort_order = null)
{
if ($this->coltypes[$sort_col]['attributes'])
$this->sort_col = $this->coltypes[$sort_col]['attributes'][0];
}
/**
* Save a search string for future listings
*
* @param string $filter Filter string
*/
function set_search_set($filter)
{
$this->filter = $filter;
}
/**
* Getter for saved search properties
*
* @return mixed Search properties used by this class
*/
function get_search_set()
{
return $this->filter;
}
/**
* Reset all saved results and search parameters
*/
function reset()
{
$this->result = null;
$this->ldap_result = null;
$this->filter = '';
}
/**
* List the current set of contact records
*
* @param array List of cols to show
* @param int Only return this number of records
*
* @return array Indexed list of contact records, each a hash array
*/
function list_records($cols=null, $subset=0)
{
if ($this->prop['searchonly'] && empty($this->filter) && !$this->group_id) {
$this->result = new rcube_result_set(0);
$this->result->searchonly = true;
return $this->result;
}
// fetch group members recursively
if ($this->group_id && $this->group_data['dn']) {
$entries = $this->list_group_members($this->group_data['dn']);
// make list of entries unique and sort it
$seen = array();
foreach ($entries as $i => $rec) {
if ($seen[$rec['dn']]++)
unset($entries[$i]);
}
usort($entries, array($this, '_entry_sort_cmp'));
$entries['count'] = count($entries);
$this->result = new rcube_result_set($entries['count'], ($this->list_page-1) * $this->page_size);
}
else {
// exec LDAP search if no result resource is stored
if ($this->ready && $this->ldap_result === null) {
$this->ldap_result = $this->extended_search();
}
// count contacts for this user
$this->result = $this->count();
$entries = $this->ldap_result;
} // end else
// start and end of the page
$start_row = $this->ldap->vlv_active ? 0 : $this->result->first;
$start_row = $subset < 0 ? $start_row + $this->page_size + $subset : $start_row;
$last_row = $this->result->first + $this->page_size;
$last_row = $subset != 0 ? $start_row + abs($subset) : $last_row;
// filter entries for this page
for ($i = $start_row; $i < min($entries['count'], $last_row); $i++)
if ($entries[$i])
$this->result->add($this->_ldap2result($entries[$i]));
return $this->result;
}
/**
* Get all members of the given group
*
* @param string Group DN
* @param boolean Count only
* @param array Group entries (if called recursively)
* @return array Accumulated group members
*/
function list_group_members($dn, $count = false, $entries = null)
{
$group_members = array();
// fetch group object
if (empty($entries)) {
$attribs = array_merge(array('dn','objectClass','memberURL'), array_values($this->group_types));
$entries = $this->ldap->read_entries($dn, '(objectClass=*)', $attribs);
if ($entries === false) {
return $group_members;
}
}
for ($i=0; $i < $entries['count']; $i++) {
$entry = $entries[$i];
$attrs = array();
foreach ((array)$entry['objectclass'] as $objectclass) {
if (($member_attr = $this->get_group_member_attr(array($objectclass), ''))
&& ($member_attr = strtolower($member_attr)) && !in_array($member_attr, $attrs)
) {
$members = $this->_list_group_members($dn, $entry, $member_attr, $count);
$group_members = array_merge($group_members, $members);
$attrs[] = $member_attr;
}
else if (!empty($entry['memberurl'])) {
$members = $this->_list_group_memberurl($dn, $entry, $count);
$group_members = array_merge($group_members, $members);
}
if ($this->prop['sizelimit'] && count($group_members) > $this->prop['sizelimit']) {
break 2;
}
}
}
return array_filter($group_members);
}
/**
* Fetch members of the given group entry from server
*
* @param string Group DN
* @param array Group entry
* @param string Member attribute to use
* @param boolean Count only
* @return array Accumulated group members
*/
private function _list_group_members($dn, $entry, $attr, $count)
{
// Use the member attributes to return an array of member ldap objects
// NOTE that the member attribute is supposed to contain a DN
$group_members = array();
if (empty($entry[$attr])) {
return $group_members;
}
// read these attributes for all members
$attrib = $count ? array('dn','objectClass') : $this->prop['list_attributes'];
$attrib = array_merge($attrib, array_values($this->group_types));
$attrib[] = 'memberURL';
$filter = $this->prop['groups']['member_filter'] ?: '(objectclass=*)';
for ($i=0; $i < $entry[$attr]['count']; $i++) {
if (empty($entry[$attr][$i]))
continue;
$members = $this->ldap->read_entries($entry[$attr][$i], $filter, $attrib);
if ($members == false) {
$members = array();
}
// for nested groups, call recursively
$nested_group_members = $this->list_group_members($entry[$attr][$i], $count, $members);
unset($members['count']);
$group_members = array_merge($group_members, array_filter($members), $nested_group_members);
}
return $group_members;
}
/**
* List members of group class groupOfUrls
*
* @param string Group DN
* @param array Group entry
* @param boolean True if only used for counting
* @return array Accumulated group members
*/
private function _list_group_memberurl($dn, $entry, $count)
{
$group_members = array();
for ($i=0; $i < $entry['memberurl']['count']; $i++) {
// extract components from url
if (!preg_match('!ldap://[^/]*/([^\?]+)\?\?(\w+)\?(.*)$!', $entry['memberurl'][$i], $m)) {
continue;
}
// add search filter if any
$filter = $this->filter ? '(&(' . $m[3] . ')(' . $this->filter . '))' : $m[3];
$attrs = $count ? array('dn','objectClass') : $this->prop['list_attributes'];
if ($result = $this->ldap->search($m[1], $filter, $m[2], $attrs, $this->group_data)) {
$entries = $result->entries();
for ($j = 0; $j < $entries['count']; $j++) {
if ($this->is_group_entry($entries[$j]) && ($nested_group_members = $this->list_group_members($entries[$j]['dn'], $count)))
$group_members = array_merge($group_members, $nested_group_members);
else
$group_members[] = $entries[$j];
}
}
}
return $group_members;
}
/**
* Callback for sorting entries
*/
function _entry_sort_cmp($a, $b)
{
return strcmp($a[$this->sort_col][0], $b[$this->sort_col][0]);
}
/**
* Search contacts
*
* @param mixed $fields The field name of array of field names to search in
* @param mixed $value Search value (or array of values when $fields is array)
* @param int $mode Matching mode. Sum of rcube_addressbook::SEARCH_*
* @param boolean $select True if results are requested, False if count only
* @param boolean $nocount (Not used)
* @param array $required List of fields that cannot be empty
*
* @return rcube_result_set List of contact records
*/
function search($fields, $value, $mode=0, $select=true, $nocount=false, $required=array())
{
$mode = intval($mode);
// special treatment for ID-based search
if ($fields == 'ID' || $fields == $this->primary_key) {
$ids = !is_array($value) ? explode(',', $value) : $value;
$result = new rcube_result_set();
foreach ($ids as $id) {
if ($rec = $this->get_record($id, true)) {
$result->add($rec);
$result->count++;
}
}
return $result;
}
// use VLV pseudo-search for autocompletion
$rcube = rcube::get_instance();
$list_fields = $rcube->config->get('contactlist_fields');
if ($this->prop['vlv_search'] && $this->ready && join(',', (array)$fields) == join(',', $list_fields)) {
$this->result = new rcube_result_set(0);
$this->ldap->config_set('fuzzy_search', intval($this->prop['fuzzy_search'] && !($mode & rcube_addressbook::SEARCH_STRICT)));
$ldap_data = $this->ldap->search($this->base_dn, $this->prop['filter'], $this->prop['scope'], $this->prop['attributes'],
array('search' => $value /*, 'sort' => $this->prop['sort'] */));
if ($ldap_data === false) {
return $this->result;
}
// get all entries of this page and post-filter those that really match the query
$search = mb_strtolower($value);
foreach ($ldap_data as $entry) {
$rec = $this->_ldap2result($entry);
foreach ($fields as $f) {
foreach ((array)$rec[$f] as $val) {
if ($this->compare_search_value($f, $val, $search, $mode)) {
$this->result->add($rec);
$this->result->count++;
break 2;
}
}
}
}
return $this->result;
}
// advanced per-attribute search
if (is_array($value)) {
// use AND operator for advanced searches
$filter = '(&';
// set wildcards
$wp = $ws = '';
if (!empty($this->prop['fuzzy_search']) && !($mode & rcube_addressbook::SEARCH_STRICT)) {
$ws = '*';
if (!($mode & rcube_addressbook::SEARCH_PREFIX)) {
$wp = '*';
}
}
foreach ((array)$fields as $idx => $field) {
$val = $value[$idx];
if (!strlen($val))
continue;
if ($attrs = $this->_map_field($field)) {
if (count($attrs) > 1)
$filter .= '(|';
foreach ($attrs as $f)
$filter .= "($f=$wp" . rcube_ldap_generic::quote_string($val) . "$ws)";
if (count($attrs) > 1)
$filter .= ')';
}
}
$filter .= ')';
}
else {
if ($fields == '*') {
// search_fields are required for fulltext search
if (empty($this->prop['search_fields'])) {
$this->set_error(self::ERROR_SEARCH, 'nofulltextsearch');
$this->result = new rcube_result_set();
return $this->result;
}
$attributes = (array)$this->prop['search_fields'];
}
else {
// map address book fields into ldap attributes
$attributes = array();
foreach ((array) $fields as $field) {
if ($this->coltypes[$field] && ($attrs = $this->coltypes[$field]['attributes'])) {
$attributes = array_merge($attributes, (array) $attrs);
}
}
}
// compose a full-text-like search filter
$filter = rcube_ldap_generic::fulltext_search_filter($value, $attributes, $mode & ~rcube_addressbook::SEARCH_GROUPS);
}
// add required (non empty) fields filter
$req_filter = '';
foreach ((array)$required as $field) {
if (in_array($field, (array)$fields)) // required field is already in search filter
continue;
if ($attrs = $this->_map_field($field)) {
if (count($attrs) > 1)
$req_filter .= '(|';
foreach ($attrs as $f)
$req_filter .= "($f=*)";
if (count($attrs) > 1)
$req_filter .= ')';
}
}
if (!empty($req_filter))
$filter = '(&' . $req_filter . $filter . ')';
// avoid double-wildcard if $value is empty
$filter = preg_replace('/\*+/', '*', $filter);
if ($mode & rcube_addressbook::SEARCH_GROUPS) {
$filter = 'e:' . $filter;
}
// set filter string and execute search
$this->set_search_set($filter);
if ($select)
$this->list_records();
else
$this->result = $this->count();
return $this->result;
}
/**
* Count number of available contacts in database
*
* @return object rcube_result_set Resultset with values for 'count' and 'first'
*/
function count()
{
$count = 0;
if (!empty($this->ldap_result)) {
$count = $this->ldap_result['count'];
}
else if ($this->group_id && $this->group_data['dn']) {
$count = count($this->list_group_members($this->group_data['dn'], true));
}
// We have a connection but no result set, attempt to get one.
else if ($this->ready) {
$count = $this->extended_search(true);
}
return new rcube_result_set($count, ($this->list_page-1) * $this->page_size);
}
/**
* Wrapper on LDAP searches with group_filters support, which
* allows searching for contacts AND groups.
*
* @param bool $count Return count instead of the records
*
* @return int|array Count of records or the result array (with 'count' item)
*/
protected function extended_search($count = false)
{
$prop = $this->group_id ? $this->group_data : $this->prop;
$base_dn = $this->group_id ? $prop['base_dn'] : $this->base_dn;
$attrs = $count ? array('dn') : $this->prop['attributes'];
$entries = array();
// Use global search filter
if ($filter = $this->filter) {
if ($filter[0] == 'e' && $filter[1] == ':') {
$filter = substr($filter, 2);
$is_extended_search = !$this->group_id;
}
$prop['filter'] = $filter;
// add general filter to query
if (!empty($this->prop['filter'])) {
$prop['filter'] = '(&(' . preg_replace('/^\(|\)$/', '', $this->prop['filter']) . ')' . $prop['filter'] . ')';
}
}
$result = $this->ldap->search($base_dn, $prop['filter'], $prop['scope'], $attrs, $prop, $count);
// we have a search result resource, get all entries
if (!$count && $result) {
$result_count = $result->count();
$result = $result->entries();
unset($result['count']);
}
// search for groups
if ($is_extended_search
&& is_array($this->prop['group_filters'])
&& !empty($this->prop['groups']['filter'])
) {
$filter = '(&(' . preg_replace('/^\(|\)$/', '', $this->prop['groups']['filter']) . ')' . $filter . ')';
// for groups we may use cn instead of displayname...
if ($this->prop['fieldmap']['name'] != $this->prop['groups']['name_attr']) {
$filter = str_replace(strtolower($this->prop['fieldmap']['name']) . '=', $this->prop['groups']['name_attr'] . '=', $filter);
}
$name_attr = $this->prop['groups']['name_attr'];
$email_attr = $this->prop['groups']['email_attr'] ?: 'mail';
$attrs = array_unique(array('dn', 'objectClass', $name_attr, $email_attr));
$res = $this->ldap->search($this->groups_base_dn, $filter, $this->prop['groups']['scope'], $attrs, $prop, $count);
if ($count && $res) {
$result += $res;
}
else if (!$count && $res && ($res_count = $res->count())) {
$res = $res->entries();
unset($res['count']);
$result = array_merge($result, $res);
$result_count += $res_count;
}
}
if (!$count && $result) {
// sorting
if ($this->sort_col && $prop['scope'] !== 'base' && !$this->ldap->vlv_active) {
usort($result, array($this, '_entry_sort_cmp'));
}
$result['count'] = $result_count;
$this->result_entries = $result;
}
return $result;
}
/**
* Return the last result set
*
* @return object rcube_result_set Current resultset or NULL if nothing selected yet
*/
function get_result()
{
return $this->result;
}
/**
* Get a specific contact record
*
* @param mixed Record identifier
* @param boolean Return as associative array