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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 $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_url;
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']) && count($p['group_filters'])) {
$this->groups = true;
foreach ($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'])) {
foreach ($p['fieldmap'] as $rf => $lf)
$this->fieldmap[$rf] = $this->_attr_name(strtolower($lf));
}
else if (!empty($p)) {
// read deprecated *_field properties to remain backwards compatible
foreach ($p as $prop => $value)
if (preg_match('/^(.+)_field$/', $prop, $matches))
$this->fieldmap[$matches[1]] = $this->_attr_name(strtolower($value));
}
// use fieldmap to advertise supported coltypes to the application
foreach ($this->fieldmap as $colv => $lfv) {
list($col, $type) = explode(':', $colv);
list($lf, $limit, $delim) = explode(':', $lfv);
if ($limit == '*') $limit = null;
else $limit = max(1, intval($limit));
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'] += $limit;
}
if ($delim)
$this->coltypes[$col]['serialized'][$type] = $delim;
$this->fieldmap[$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] = $this->_attr_name(strtolower($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 = $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);
$this->ldap->set_cache($this->cache);
$this->ldap->set_debug($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'];
$this->base_dn = $this->prop['base_dn'];
$this->groups_base_dn = ($this->prop['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
$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);
$ldap->set_debug($this->debug);
$ldap->set_cache($this->cache);
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'] = $res->get_dn();
// add more replacements from 'search_bind_attrib' config
if ($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], $replaces);
}
if (!empty($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)) {
$this->ready = true;
}
else {
if (!empty($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 {
$prop = $this->group_id ? $this->group_data : $this->prop;
$base_dn = $this->group_id ? $prop['base_dn'] : $this->base_dn;
// use global search filter
if (!empty($this->filter))
$prop['filter'] = $this->filter;
// exec LDAP search if no result resource is stored
if ($this->ready && !$this->ldap_result)
$this->ldap_result = $this->ldap->search($base_dn, $prop['filter'], $prop['scope'], $this->prop['attributes'], $prop);
// count contacts for this user
$this->result = $this->count();
// we have a search result resource
if ($this->ldap_result && $this->result->count > 0) {
// sorting still on the ldap server
if ($this->sort_col && $prop['scope'] !== 'base' && !$this->ldap->vlv_active)
$this->ldap_result->sort($this->sort_col);
// get all entries from the ldap server
$entries = $this->ldap_result->entries();
}
} // 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++)
$this->result->add($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'] ? $this->prop['groups']['member_filter'] : '(objectclass=*)';
for ($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:
* 0 - partial (*abc*),
* 1 - strict (=),
* 2 - prefix (abc*)
* @param boolean $select True if results are requested, False if count only
* @param boolean $nocount (Not used)
* @param array $required List of fields that cannot be empty
*
* @return array Indexed list of contact records and 'count' value
*/
function search($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);
$search_suffix = $this->prop['fuzzy_search'] && $mode != 1 ? '*' : '';
$ldap_data = $this->ldap->search($this->base_dn, $this->prop['filter'], $this->prop['scope'], $this->prop['attributes'],
array('search' => $value . $search_suffix /*, '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 $i => $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;
}
// use AND operator for advanced searches
$filter = is_array($value) ? '(&' : '(|';
// set wildcards
$wp = $ws = '';
if (!empty($this->prop['fuzzy_search']) && $mode != 1) {
$ws = '*';
if (!$mode) {
$wp = '*';
}
}
if ($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 $this->result;
}
if (is_array($this->prop['search_fields'])) {
foreach ($this->prop['search_fields'] as $field) {
$filter .= "($field=$wp" . rcube_ldap_generic::quote_string($value) . "$ws)";
}
}
}
else {
foreach ((array)$fields as $idx => $field) {
$val = is_array($value) ? $value[$idx] : $value;
if ($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 .= ')';
// 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('/\*+/', '*', $filter);
// add general filter to query
if (!empty($this->prop['filter']))
$filter = '(&(' . preg_replace('/^\(|\)$/', '', $this->prop['filter']) . ')' . $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()
{
$count = 0;
if ($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) {
$prop = $this->group_id ? $this->group_data : $this->prop;
$base_dn = $this->group_id ? $this->group_base_dn : $this->base_dn;
if (!empty($this->filter)) { // Use global search filter
$prop['filter'] = $this->filter;
}
$count = $this->ldap->search($base_dn, $prop['filter'], $prop['scope'], array('dn'), $prop, true);
}
return new rcube_result_set($count, ($this->list_page-1) * $this->page_size);
}
/**
* Return the last result set
*
* @return object rcube_result_set Current resultset or NULL if nothing selected yet
*/
function get_result()
{
return $this->result;
}
/**
* Get a specific contact record
*
* @param mixed Record identifier
* @param boolean Return as associative array
*
* @return mixed Hash array or rcube_result_set with all record fields
*/
function get_record($dn, $assoc=false)
{
$res = $this->result = null;
if ($this->ready && $dn) {
$dn = self::dn_decode($dn);
if ($rec = $this->ldap->get_entry($dn)) {
$rec = array_change_key_case($rec, CASE_LOWER);
}
// Use ldap_list to get subentries like country (c) attribute (#1488123)
if (!empty($rec) && $this->sub_filter) {
if ($entries = $this->ldap->list_entries($dn, $this->sub_filter, array_keys($this->prop['sub_fields']))) {
foreach ($entries as $entry) {
$lrec = array_change_key_case($entry, CASE_LOWER);
$rec = array_merge($lrec, $rec);
}
}
}
if (!empty($rec)) {
// Add in the dn for the entry.
$rec['dn'] = $dn;
$res = $this->_ldap2result($rec);
$this->result = new rcube_result_set(1);
$this->result->add($res);
}
}
return $assoc ? $res : $this->result;
}
/**
* Check the given data before saving.
* If input not valid, the message to display can be fetched using get_error()
*
* @param array Assoziative array with data to save
* @param boolean Try to fix/complete record automatically
* @return boolean True if input is valid, False if not.
*/
public function validate(&$save_data, $autofix = false)
{
// validate e-mail addresses
if (!parent::validate($save_data, $autofix)) {
return false;
}
// check for name input
if (empty($save_data['name'])) {
$this->set_error(self::ERROR_VALIDATE, 'nonamewarning');
return false;
}
// Verify that the required fields are set.
$missing = null;
$ldap_data = $this->_map_data($save_data);
foreach ($this->prop['required_fields'] as $fld) {
if (!isset($ldap_data[$fld]) || $ldap_data[$fld] === '') {
$missing[$fld] = 1;
}
}
if ($missing) {
// try to complete record automatically
if ($autofix) {
$sn_field = $this->fieldmap['surname'];
$fn_field = $this->fieldmap['firstname'];
$mail_field = $this->fieldmap['email'];
// try to extract surname and firstname from displayname
$name_parts = preg_split('/[\s,.]+/', $save_data['name']);
if ($sn_field && $missing[$sn_field]) {
$save_data['surname'] = array_pop($name_parts);
unset($missing[$sn_field]);
}
if ($fn_field && $missing[$fn_field]) {
$save_data['firstname'] = array_shift($name_parts);
unset($missing[$fn_field]);
}
// try to fix missing e-mail, very often on import
// from vCard we have email:other only defined
if ($mail_field && $missing[$mail_field]) {
$emails = $this->get_col_values('email', $save_data, true);
if (!empty($emails) && ($email = array_shift($emails))) {
$save_data['email'] = $email;
unset($missing[$mail_field]);
}
}
}
// TODO: generate message saying which fields are missing
if (!empty($missing)) {
$this->set_error(self::ERROR_VALIDATE, 'formincomplete');
return false;
}
}
return true;
}
/**
* Create a new contact record
*
* @param array Hash array with save data
*
* @return encoded record ID on success, False on error
*/
function insert($save_cols)
{
// Map out the column names to their LDAP ones to build the new entry.
$newentry = $this->_map_data($save_cols);
$newentry['objectClass'] = $this->prop['LDAP_Object_Classes'];
// add automatically generated attributes
$this->add_autovalues($newentry);
// Verify that the required fields are set.
$missing = null;
foreach ($this->prop['required_fields'] as $fld) {
if (!isset($newentry[$fld])) {
$missing[] = $fld;
}
}
// abort process if requiered fields are missing
// TODO: generate message saying which fields are missing
if ($missing) {
$this->set_error(self::ERROR_VALIDATE, 'formincomplete');
return false;
}
// Build the new entries DN.
$dn = $this->prop['LDAP_rdn'].'='.rcube_ldap_generic::quote_string($newentry[$this->prop['LDAP_rdn']], true).','.$this->base_dn;
// Remove attributes that need to be added separately (child objects)
$xfields = array();
if (!empty($this->prop['sub_fields']) && is_array($this->prop['sub_fields'])) {
foreach (array_keys($this->prop['sub_fields']) as $xf) {
if (!empty($newentry[$xf])) {
$xfields[$xf] = $newentry[$xf];
unset($newentry[$xf]);
}
}
}
if (!$this->ldap->add($dn, $newentry)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
foreach ($xfields as $xidx => $xf) {
$xdn = $xidx.'='.rcube_ldap_generic::quote_string($xf).','.$dn;
$xf = array(
$xidx => $xf,
'objectClass' => (array) $this->prop['sub_fields'][$xidx],
);
$this->ldap->add($xdn, $xf);
}
$dn = self::dn_encode($dn);
// add new contact to the selected group
if ($this->group_id)
$this->add_to_group($this->group_id, $dn);
return $dn;
}
/**
* Update a specific contact record
*
* @param mixed Record identifier
* @param array Hash array with save data
*
* @return boolean True on success, False on error
*/
function update($id, $save_cols)
{
$record = $this->get_record($id, true);
$newdata = array();
$replacedata = array();
$deletedata = array();
$subdata = array();
$subdeldata = array();
$subnewdata = array();
$ldap_data = $this->_map_data($save_cols);
$old_data = $record['_raw_attrib'];
// special handling of photo col
if ($photo_fld = $this->fieldmap['photo']) {
// undefined means keep old photo
if (!array_key_exists('photo', $save_cols)) {
$ldap_data[$photo_fld] = $record['photo'];
}
}
foreach ($this->fieldmap as $fld) {
if ($fld) {
$val = $ldap_data[$fld];
$old = $old_data[$fld];
// remove empty array values
if (is_array($val))
$val = array_filter($val);
// $this->_map_data() result and _raw_attrib use different format
// make sure comparing array with one element with a string works as expected
if (is_array($old) && count($old) == 1 && !is_array($val)) {
$old = array_pop($old);
}
if (is_array($val) && count($val) == 1 && !is_array($old)) {
$val = array_pop($val);
}
// Subentries must be handled separately
if (!empty($this->prop['sub_fields']) && isset($this->prop['sub_fields'][$fld])) {
if ($old != $val) {
if ($old !== null) {
$subdeldata[$fld] = $old;
}
if ($val) {
$subnewdata[$fld] = $val;
}
}
else if ($old !== null) {
$subdata[$fld] = $old;
}
continue;
}
// The field does exist compare it to the ldap record.
if ($old != $val) {
// Changed, but find out how.
if ($old === null) {
// Field was not set prior, need to add it.
$newdata[$fld] = $val;
}
else if ($val == '') {
// Field supplied is empty, verify that it is not required.
if (!in_array($fld, $this->prop['required_fields'])) {
// ...It is not, safe to clear.
// #1488420: Workaround "ldap_mod_del(): Modify: Inappropriate matching in..."
// jpegPhoto attribute require an array() here. It looks to me that it works for other attribs too
$deletedata[$fld] = array();
//$deletedata[$fld] = $old_data[$fld];
}
}
else {
// The data was modified, save it out.
$replacedata[$fld] = $val;
}
} // end if
} // end if
} // end foreach
// console($old_data, $ldap_data, '----', $newdata, $replacedata, $deletedata, '----', $subdata, $subnewdata, $subdeldata);
$dn = self::dn_decode($id);
// Update the entry as required.
if (!empty($deletedata)) {
// Delete the fields.
if (!$this->ldap->mod_del($dn, $deletedata)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
} // end if
if (!empty($replacedata)) {
// Handle RDN change
if ($replacedata[$this->prop['LDAP_rdn']]) {
$newdn = $this->prop['LDAP_rdn'].'='
.rcube_ldap_generic::quote_string($replacedata[$this->prop['LDAP_rdn']], true)
.','.$this->base_dn;
if ($dn != $newdn) {
$newrdn = $this->prop['LDAP_rdn'].'='
.rcube_ldap_generic::quote_string($replacedata[$this->prop['LDAP_rdn']], true);
unset($replacedata[$this->prop['LDAP_rdn']]);
}
}
// Replace the fields.
if (!empty($replacedata)) {
if (!$this->ldap->mod_replace($dn, $replacedata)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
}
} // end if
// RDN change, we need to remove all sub-entries
if (!empty($newrdn)) {
$subdeldata = array_merge($subdeldata, $subdata);
$subnewdata = array_merge($subnewdata, $subdata);
}
// remove sub-entries
if (!empty($subdeldata)) {
foreach ($subdeldata as $fld => $val) {
$subdn = $fld.'='.rcube_ldap_generic::quote_string($val).','.$dn;
if (!$this->ldap->delete($subdn)) {
return false;
}
}
}
if (!empty($newdata)) {
// Add the fields.
if (!$this->ldap->mod_add($dn, $newdata)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
} // end if
// Handle RDN change
if (!empty($newrdn)) {
if (!$this->ldap->rename($dn, $newrdn, null, true)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
$dn = self::dn_encode($dn);
$newdn = self::dn_encode($newdn);
// change the group membership of the contact
if ($this->groups) {
$group_ids = $this->get_record_groups($dn);
foreach (array_keys($group_ids) as $group_id) {
$this->remove_from_group($group_id, $dn);
$this->add_to_group($group_id, $newdn);
}
}
$dn = self::dn_decode($newdn);
}
// add sub-entries
if (!empty($subnewdata)) {
foreach ($subnewdata as $fld => $val) {
$subdn = $fld.'='.rcube_ldap_generic::quote_string($val).','.$dn;
$xf = array(
$fld => $val,
'objectClass' => (array) $this->prop['sub_fields'][$fld],
);
$this->ldap->add($subdn, $xf);
}
}
return $newdn ? $newdn : true;
}
/**
* Mark one or more contact records as deleted
*
* @param array Record identifiers
* @param boolean Remove record(s) irreversible (unsupported)
*
* @return boolean True on success, False on error
*/
function delete($ids, $force=true)
{
if (!is_array($ids)) {
// Not an array, break apart the encoded DNs.
$ids = explode(',', $ids);
} // end if
foreach ($ids as $id) {
$dn = self::dn_decode($id);
// Need to delete all sub-entries first
if ($this->sub_filter) {
if ($entries = $this->ldap->list_entries($dn, $this->sub_filter)) {
foreach ($entries as $entry) {
if (!$this->ldap->delete($entry['dn'])) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
}
}
}
// Delete the record.
if (!$this->ldap->delete($dn)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
// remove contact from all groups where he was member
if ($this->groups) {
$dn = self::dn_encode($dn);
$group_ids = $this->get_record_groups($dn);
foreach (array_keys($group_ids) as $group_id) {
$this->remove_from_group($group_id, $dn);
}
}
} // end foreach
return count($ids);
}
/**
* Remove all contact records
*
* @param bool $with_groups Delete also groups if enabled
*/
function delete_all($with_groups = false)
{
// searching for contact entries
$dn_list = $this->ldap->list_entries($this->base_dn, $this->prop['filter'] ? $this->prop['filter'] : '(objectclass=*)');
if (!empty($dn_list)) {
foreach ($dn_list as $idx => $entry) {
$dn_list[$idx] = self::dn_encode($entry['dn']);
}
$this->delete($dn_list);
}
if ($with_groups && $this->groups && ($groups = $this->_fetch_groups()) && count($groups)) {
foreach ($groups as $group) {
$this->ldap->delete($group['dn']);
}
if ($this->cache) {
$this->cache->remove('groups');
}
}
}
/**
* Generate missing attributes as configured
*
* @param array LDAP record attributes
*/
protected function add_autovalues(&$attrs)
{
if (empty($this->prop['autovalues'])) {
return;
}
$attrvals = array();
foreach ($attrs as $k => $v) {
$attrvals['{'.$k.'}'] = is_array($v) ? $v[0] : $v;
}
foreach ((array)$this->prop['autovalues'] as $lf => $templ) {
if (empty($attrs[$lf])) {
if (strpos($templ, '(') !== false) {
// replace {attr} placeholders with (escaped!) attribute values to be safely eval'd
$code = preg_replace('/\{\w+\}/', '', strtr($templ, array_map('addslashes', $attrvals)));
$fn = create_function('', "return ($code);");
if (!$fn) {
rcube::raise_error(array(
'code' => 505, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Expression parse error on: ($code)"), true, false);
continue;
}
$attrs[$lf] = $fn();
}
else {
// replace {attr} placeholders with concrete attribute values
$attrs[$lf] = preg_replace('/\{\w+\}/', '', strtr($templ, $attrvals));
}
}
}
}
/**
* Converts LDAP entry into an array
*/
private function _ldap2result($rec)
{
$out = array('_type' => 'person');
$fieldmap = $this->fieldmap;
if ($rec['dn'])
$out[$this->primary_key] = self::dn_encode($rec['dn']);
// determine record type
if ($this->is_group_entry($rec)) {
$out['_type'] = 'group';
$out['readonly'] = true;
$fieldmap['name'] = $this->group_data['name_attr'] ? $this->group_data['name_attr'] : $this->prop['groups']['name_attr'];
}
foreach ($fieldmap as $rf => $lf)
{
for ($i=0; $i < $rec[$lf]['count']; $i++) {
if (!($value = $rec[$lf][$i]))
continue;
list($col, $subtype) = explode(':', $rf);
$out['_raw_attrib'][$lf][$i] = $value;
if ($col == 'email' && $this->mail_domain && !strpos($value, '@'))
$out[$rf][] = sprintf('%s@%s', $value, $this->mail_domain);
else if (in_array($col, array('street','zipcode','locality','country','region')))
$out['address'.($subtype?':':'').$subtype][$i][$col] = $value;
else if ($col == 'address' && strpos($value, '$') !== false) // address data is represented as string separated with $
list($out[$rf][$i]['street'], $out[$rf][$i]['locality'], $out[$rf][$i]['zipcode'], $out[$rf][$i]['country']) = explode('$', $value);
else if ($rec[$lf]['count'] > 1)
$out[$rf][] = $value;
else
$out[$rf] = $value;
}
// Make sure name fields aren't arrays (#1488108)
if (is_array($out[$rf]) && in_array($rf, array('name', 'surname', 'firstname', 'middlename', 'nickname'))) {
$out[$rf] = $out['_raw_attrib'][$lf] = $out[$rf][0];
}
}
return $out;
}
/**
* Return LDAP attribute(s) for the given field
*/
private function _map_field($field)
{
return (array)$this->coltypes[$field]['attributes'];
}
/**
* Convert a record data set into LDAP field attributes
*/
private function _map_data($save_cols)
{
// flatten composite fields first
foreach ($this->coltypes as $col => $colprop) {
if (is_array($colprop['childs']) && ($values = $this->get_col_values($col, $save_cols, false))) {
foreach ($values as $subtype => $childs) {
$subtype = $subtype ? ':'.$subtype : '';
foreach ($childs as $i => $child_values) {
foreach ((array)$child_values as $childcol => $value) {
$save_cols[$childcol.$subtype][$i] = $value;
}
}
}
}
// if addresses are to be saved as serialized string, do so
if (is_array($colprop['serialized'])) {
foreach ($colprop['serialized'] as $subtype => $delim) {
$key = $col.':'.$subtype;
foreach ((array)$save_cols[$key] as $i => $val) {
$values = array($val['street'], $val['locality'], $val['zipcode'], $val['country']);
$save_cols[$key][$i] = count(array_filter($values)) ? join($delim, $values) : null;
}
}
}
}
$ldap_data = array();
foreach ($this->fieldmap as $rf => $fld) {
$val = $save_cols[$rf];
// check for value in base field (eg.g email instead of email:foo)
list($col, $subtype) = explode(':', $rf);
if (!$val && !empty($save_cols[$col])) {
$val = $save_cols[$col];
unset($save_cols[$col]); // only use this value once
}
else if (!$val && !$subtype) { // extract values from subtype cols
$val = $this->get_col_values($col, $save_cols, true);
}
if (is_array($val))
$val = array_filter($val); // remove empty entries
if ($fld && $val) {
// The field does exist, add it to the entry.
$ldap_data[$fld] = $val;
}
}
return $ldap_data;
}
/**
* Returns unified attribute name (resolving aliases)
*/
private static function _attr_name($namev)
{
// list of known attribute aliases
static $aliases = array(
'gn' => 'givenname',
'rfc822mailbox' => 'email',
'userid' => 'uid',
'emailaddress' => 'email',
'pkcs9email' => 'email',
);
list($name, $limit) = explode(':', $namev, 2);
$suffix = $limit ? ':'.$limit : '';
return (isset($aliases[$name]) ? $aliases[$name] : $name) . $suffix;
}
/**
* Determines whether the given LDAP entry is a group record
*/
private function is_group_entry($entry)
{
$classes = array_map('strtolower', (array)$entry['objectclass']);
return count(array_intersect(array_keys($this->group_types), $classes)) > 0;
}
/**
* Prints debug info to the log
*/
private function _debug($str)
{
if ($this->debug) {
rcube::write_log('ldap', $str);
}
}
/**
* Activate/deactivate debug mode
*
* @param boolean $dbg True if LDAP commands should be logged
*/
function set_debug($dbg = true)
{
$this->debug = $dbg;
if ($this->ldap) {
$this->ldap->set_debug($dbg);
}
}
/**
* Setter for the current group
*/
function set_group($group_id)
{
if ($group_id) {
$this->group_id = $group_id;
$this->group_data = $this->get_group_entry($group_id);
}
else {
$this->group_id = 0;
$this->group_data = null;
}
}
/**
* List all active contact groups of this source
*
* @param string Optional search string to match group name
* @param int Matching mode:
* 0 - partial (*abc*),
* 1 - strict (=),
* 2 - prefix (abc*)
*
* @return array Indexed list of contact groups, each a hash array
*/
function list_groups($search = null, $mode = 0)
{
if (!$this->groups) {
return array();
}
$group_cache = $this->_fetch_groups();
$groups = array();
if ($search) {
foreach ($group_cache as $group) {
if ($this->compare_search_value('name', $group['name'], $search, $mode)) {
$groups[] = $group;
}
}
}
else {
$groups = $group_cache;
}
return array_values($groups);
}
/**
* Fetch groups from server
*/
private function _fetch_groups($vlv_page = null)
{
// special case: list groups from 'group_filters' config
if ($vlv_page === null && !empty($this->prop['group_filters'])) {
$groups = array();
$rcube = rcube::get_instance();
// list regular groups configuration as special filter
if (!empty($this->prop['groups']['filter'])) {
$id = '__groups__';
$groups[$id] = array('ID' => $id, 'name' => $rcube->gettext('groups'), 'virtual' => true) + $this->prop['groups'];
}
foreach ($this->prop['group_filters'] as $id => $prop) {
$groups[$id] = $prop + array('ID' => $id, 'name' => ucfirst($id), 'virtual' => true, 'base_dn' => $this->base_dn);
}
return $groups;
}
if ($this->cache && $vlv_page === null && ($groups = $this->cache->get('groups')) !== null) {
return $groups;
}
$base_dn = $this->groups_base_dn;
$filter = $this->prop['groups']['filter'];
$scope = $this->prop['groups']['scope'];
$name_attr = $this->prop['groups']['name_attr'];
$email_attr = $this->prop['groups']['email_attr'] ? $this->prop['groups']['email_attr'] : 'mail';
$sort_attrs = $this->prop['groups']['sort'] ? (array)$this->prop['groups']['sort'] : array($name_attr);
$sort_attr = $sort_attrs[0];
$ldap = $this->ldap;
// use vlv to list groups
if ($this->prop['groups']['vlv']) {
$page_size = 200;
if (!$this->prop['groups']['sort']) {
$this->prop['groups']['sort'] = $sort_attrs;
}
$ldap = clone $this->ldap;
$ldap->set_config($this->prop['groups']);
$ldap->set_vlv_page($vlv_page+1, $page_size);
}
$attrs = array_unique(array('dn', 'objectClass', $name_attr, $email_attr, $sort_attr));
$ldap_data = $ldap->search($base_dn, $filter, $scope, $attrs, $this->prop['groups']);
if ($ldap_data === false) {
return array();
}
$groups = array();
$group_sortnames = array();
$group_count = $ldap_data->count();
foreach ($ldap_data as $entry) {
if (!$entry['dn']) // DN is mandatory
$entry['dn'] = $ldap_data->get_dn();
$group_name = is_array($entry[$name_attr]) ? $entry[$name_attr][0] : $entry[$name_attr];
$group_id = self::dn_encode($entry['dn']);
$groups[$group_id]['ID'] = $group_id;
$groups[$group_id]['dn'] = $entry['dn'];
$groups[$group_id]['name'] = $group_name;
$groups[$group_id]['member_attr'] = $this->get_group_member_attr($entry['objectclass']);
// list email attributes of a group
for ($j=0; $entry[$email_attr] && $j < $entry[$email_attr]['count']; $j++) {
if (strpos($entry[$email_attr][$j], '@') > 0)
$groups[$group_id]['email'][] = $entry[$email_attr][$j];
}
$group_sortnames[] = mb_strtolower($entry[$sort_attr][0]);
}
// recursive call can exit here
if ($vlv_page > 0) {
return $groups;
}
// call recursively until we have fetched all groups
while ($this->prop['groups']['vlv'] && $group_count == $page_size) {
$next_page = $this->_fetch_groups(++$vlv_page);
$groups = array_merge($groups, $next_page);
$group_count = count($next_page);
}
// when using VLV the list of groups is already sorted
if (!$this->prop['groups']['vlv']) {
array_multisort($group_sortnames, SORT_ASC, SORT_STRING, $groups);
}
// cache this
if ($this->cache) {
$this->cache->set('groups', $groups);
}
return $groups;
}
/**
* Fetch a group entry from LDAP and save in local cache
*/
private function get_group_entry($group_id)
{
$group_cache = $this->_fetch_groups();
// add group record to cache if it isn't yet there
if (!isset($group_cache[$group_id])) {
$name_attr = $this->prop['groups']['name_attr'];
$dn = self::dn_decode($group_id);
if ($list = $this->ldap->read_entries($dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL',$name_attr,$this->fieldmap['email']))) {
$entry = $list[0];
$group_name = is_array($entry[$name_attr]) ? $entry[$name_attr][0] : $entry[$name_attr];
$group_cache[$group_id]['ID'] = $group_id;
$group_cache[$group_id]['dn'] = $dn;
$group_cache[$group_id]['name'] = $group_name;
$group_cache[$group_id]['member_attr'] = $this->get_group_member_attr($entry['objectclass']);
}
else {
$group_cache[$group_id] = false;
}
if ($this->cache) {
$this->cache->set('groups', $group_cache);
}
}
return $group_cache[$group_id];
}
/**
* Get group properties such as name and email address(es)
*
* @param string Group identifier
* @return array Group properties as hash array
*/
function get_group($group_id)
{
$group_data = $this->get_group_entry($group_id);
unset($group_data['dn'], $group_data['member_attr']);
return $group_data;
}
/**
* Create a contact group with the given name
*
* @param string The group name
* @return mixed False on error, array with record props in success
*/
function create_group($group_name)
{
$new_dn = 'cn=' . rcube_ldap_generic::quote_string($group_name, true) . ',' . $this->groups_base_dn;
$new_gid = self::dn_encode($new_dn);
$member_attr = $this->get_group_member_attr();
$name_attr = $this->prop['groups']['name_attr'] ? $this->prop['groups']['name_attr'] : 'cn';
$new_entry = array(
'objectClass' => $this->prop['groups']['object_classes'],
$name_attr => $group_name,
$member_attr => '',
);
if (!$this->ldap->add($new_dn, $new_entry)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
if ($this->cache) {
$this->cache->remove('groups');
}
return array('id' => $new_gid, 'name' => $group_name);
}
/**
* Delete the given group and all linked group members
*
* @param string Group identifier
* @return boolean True on success, false if no data was changed
*/
function delete_group($group_id)
{
$group_cache = $this->_fetch_groups();
$del_dn = $group_cache[$group_id]['dn'];
if (!$this->ldap->delete($del_dn)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
if ($this->cache) {
unset($group_cache[$group_id]);
$this->cache->set('groups', $group_cache);
}
return true;
}
/**
* Rename a specific contact group
*
* @param string Group identifier
* @param string New name to set for this group
* @param string New group identifier (if changed, otherwise don't set)
* @return boolean New name on success, false if no data was changed
*/
function rename_group($group_id, $new_name, &$new_gid)
{
$group_cache = $this->_fetch_groups();
$old_dn = $group_cache[$group_id]['dn'];
$new_rdn = "cn=" . rcube_ldap_generic::quote_string($new_name, true);
$new_gid = self::dn_encode($new_rdn . ',' . $this->groups_base_dn);
if (!$this->ldap->rename($old_dn, $new_rdn, null, true)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return false;
}
if ($this->cache) {
$this->cache->remove('groups');
}
return $new_name;
}
/**
* Add the given contact records the a certain group
*
* @param string Group identifier
* @param array|string List of contact identifiers to be added
*
* @return int Number of contacts added
*/
function add_to_group($group_id, $contact_ids)
{
$group_cache = $this->_fetch_groups();
$member_attr = $group_cache[$group_id]['member_attr'];
$group_dn = $group_cache[$group_id]['dn'];
$new_attrs = array();
if (!is_array($contact_ids)) {
$contact_ids = explode(',', $contact_ids);
}
foreach ($contact_ids as $id) {
$new_attrs[$member_attr][] = self::dn_decode($id);
}
if (!$this->ldap->mod_add($group_dn, $new_attrs)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return 0;
}
if ($this->cache) {
$this->cache->remove('groups');
}
return count($new_attrs[$member_attr]);
}
/**
* Remove the given contact records from a certain group
*
* @param string Group identifier
* @param array|string List of contact identifiers to be removed
*
* @return int Number of deleted group members
*/
function remove_from_group($group_id, $contact_ids)
{
$group_cache = $this->_fetch_groups();
$member_attr = $group_cache[$group_id]['member_attr'];
$group_dn = $group_cache[$group_id]['dn'];
$del_attrs = array();
if (!is_array($contact_ids)) {
$contact_ids = explode(',', $contact_ids);
}
foreach ($contact_ids as $id) {
$del_attrs[$member_attr][] = self::dn_decode($id);
}
if (!$this->ldap->mod_del($group_dn, $del_attrs)) {
$this->set_error(self::ERROR_SAVING, 'errorsaving');
return 0;
}
if ($this->cache) {
$this->cache->remove('groups');
}
return count($del_attrs[$member_attr]);
}
/**
* Get group assignments of a specific contact record
*
* @param mixed Record identifier
*
* @return array List of assigned groups as ID=>Name pairs
* @since 0.5-beta
*/
function get_record_groups($contact_id)
{
if (!$this->groups) {
return array();
}
$base_dn = $this->groups_base_dn;
$contact_dn = self::dn_decode($contact_id);
$name_attr = $this->prop['groups']['name_attr'] ? $this->prop['groups']['name_attr'] : 'cn';
$member_attr = $this->get_group_member_attr();
$add_filter = '';
if ($member_attr != 'member' && $member_attr != 'uniqueMember')
$add_filter = "($member_attr=$contact_dn)";
$filter = strtr("(|(member=$contact_dn)(uniqueMember=$contact_dn)$add_filter)", array('\\' => '\\\\'));
$ldap_data = $this->ldap->search($base_dn, $filter, 'sub', array('dn', $name_attr));
if ($res === false) {
return array();
}
$groups = array();
foreach ($ldap_data as $entry) {
if (!$entry['dn'])
$entry['dn'] = $ldap_data->get_dn();
$group_name = $entry[$name_attr][0];
$group_id = self::dn_encode($entry['dn']);
$groups[$group_id] = $group_name;
}
return $groups;
}
/**
* Detects group member attribute name
*/
private function get_group_member_attr($object_classes = array(), $default = 'member')
{
if (empty($object_classes)) {
$object_classes = $this->prop['groups']['object_classes'];
}
if (!empty($object_classes)) {
foreach ((array)$object_classes as $oc) {
if ($attr = $this->group_types[strtolower($oc)]) {
return $attr;
}
}
}
if (!empty($this->prop['groups']['member_attr'])) {
return $this->prop['groups']['member_attr'];
}
return $default;
}
/**
* HTML-safe DN string encoding
*
* @param string $str DN string
*
* @return string Encoded HTML identifier string
*/
static function dn_encode($str)
{
// @TODO: to make output string shorter we could probably
// remove dc=* items from it
return rtrim(strtr(base64_encode($str), '+/', '-_'), '=');
}
/**
* Decodes DN string encoded with _dn_encode()
*
* @param string $str Encoded HTML identifier string
*
* @return string DN string
*/
static function dn_decode($str)
{
$str = str_pad(strtr($str, '-_', '+/'), strlen($str) % 4, '=', STR_PAD_RIGHT);
return base64_decode($str);
}
}
