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-rw-r--r--program/lib/Roundcube/rcube_ldap.php2352
1 files changed, 2352 insertions, 0 deletions
diff --git a/program/lib/Roundcube/rcube_ldap.php b/program/lib/Roundcube/rcube_ldap.php
new file mode 100644
index 000000000..34e37e3b9
--- /dev/null
+++ b/program/lib/Roundcube/rcube_ldap.php
@@ -0,0 +1,2352 @@
+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_ldap.php |
+ | |
+ | This file is part of the Roundcube Webmail client |
+ | Copyright (C) 2006-2012, The Roundcube Dev Team |
+ | Copyright (C) 2011-2012, 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();
+
+ /** private properties */
+ protected $conn;
+ protected $prop = array();
+ protected $fieldmap = array();
+ protected $sub_filter;
+ protected $filter = '';
+ protected $result = null;
+ protected $ldap_result = null;
+ protected $mail_domain = '';
+ protected $debug = false;
+
+ private $base_dn = '';
+ private $groups_base_dn = '';
+ private $group_url = null;
+ private $cache;
+
+ private $vlv_active = false;
+ private $vlv_count = 0;
+
+
+ /**
+ * 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 = $p;
+
+ if (isset($p['searchonly']))
+ $this->searchonly = $p['searchonly'];
+
+ // check if groups are configured
+ if (is_array($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']))
+ $this->prop['groups']['scope'] = 'sub';
+ }
+
+ // fieldmap property is given
+ if (is_array($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 $attr => $class) {
+ if (!empty($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();
+ $this->cache = $rcube->get_cache('LDAP.' . asciiwords($this->prop['name']), 'db', 600);
+
+ $this->_connect();
+ }
+
+
+ /**
+ * Establish a connection to the LDAP server
+ */
+ private function _connect()
+ {
+ $rcube = rcube::get_instance();
+
+ if (!function_exists('ldap_connect'))
+ rcube::raise_error(array('code' => 100, 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "No ldap support in this installation of PHP"),
+ true, true);
+
+ if (is_resource($this->conn))
+ return true;
+
+ if (!is_array($this->prop['hosts']))
+ $this->prop['hosts'] = array($this->prop['hosts']);
+
+ if (empty($this->prop['ldap_version']))
+ $this->prop['ldap_version'] = 3;
+
+ foreach ($this->prop['hosts'] as $host)
+ {
+ $host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host));
+ $hostname = $host.($this->prop['port'] ? ':'.$this->prop['port'] : '');
+
+ $this->_debug("C: Connect [$hostname] [{$this->prop['name']}]");
+
+ if ($lc = @ldap_connect($host, $this->prop['port']))
+ {
+ if ($this->prop['use_tls'] === true)
+ if (!ldap_start_tls($lc))
+ continue;
+
+ $this->_debug("S: OK");
+
+ ldap_set_option($lc, LDAP_OPT_PROTOCOL_VERSION, $this->prop['ldap_version']);
+ $this->prop['host'] = $host;
+ $this->conn = $lc;
+
+ if (isset($this->prop['referrals']))
+ ldap_set_option($lc, LDAP_OPT_REFERRALS, $this->prop['referrals']);
+ break;
+ }
+ $this->_debug("S: NOT OK");
+ }
+
+ // See if the directory is writeable.
+ if ($this->prop['writable']) {
+ $this->readonly = false;
+ }
+
+ if (!is_resource($this->conn)) {
+ rcube::raise_error(array('code' => 100, 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Could not connect to any LDAP server, last tried $hostname"), true);
+
+ return 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 = $rcube->decrypt($_SESSION['password']);
+ }
+
+ // Get the pieces needed for variable replacement.
+ if ($fu = $rcube->get_user_name())
+ list($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' => $u);
+
+ if ($this->prop['search_base_dn'] && $this->prop['search_filter']) {
+ if (!empty($this->prop['search_bind_dn']) && !empty($this->prop['search_bind_pw'])) {
+ $this->bind($this->prop['search_bind_dn'], $this->prop['search_bind_pw']);
+ }
+
+ // Search for the dn to use to authenticate
+ $this->prop['search_base_dn'] = strtr($this->prop['search_base_dn'], $replaces);
+ $this->prop['search_filter'] = strtr($this->prop['search_filter'], $replaces);
+
+ $this->_debug("S: searching with base {$this->prop['search_base_dn']} for {$this->prop['search_filter']}");
+
+ $res = @ldap_search($this->conn, $this->prop['search_base_dn'], $this->prop['search_filter'], array('uid'));
+ if ($res) {
+ if (($entry = ldap_first_entry($this->conn, $res))
+ && ($bind_dn = ldap_get_dn($this->conn, $entry))
+ ) {
+ $this->_debug("S: search returned dn: $bind_dn");
+ $dn = ldap_explode_dn($bind_dn, 1);
+ $replaces['%dn'] = $dn[0];
+ }
+ }
+ else {
+ $this->_debug("S: ".ldap_error($this->conn));
+ }
+
+ // 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);
+ return false;
+ }
+ }
+ }
+
+ // 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, $replaces);
+
+ if (empty($bind_user)) {
+ $bind_user = $u;
+ }
+ }
+
+ if (empty($bind_pass)) {
+ $this->ready = true;
+ }
+ else {
+ if (!empty($bind_dn)) {
+ $this->ready = $this->bind($bind_dn, $bind_pass);
+ }
+ else if (!empty($this->prop['auth_cid'])) {
+ $this->ready = $this->sasl_bind($this->prop['auth_cid'], $bind_pass, $bind_user);
+ }
+ else {
+ $this->ready = $this->sasl_bind($bind_user, $bind_pass);
+ }
+ }
+
+ return $this->ready;
+ }
+
+
+ /**
+ * Bind connection with (SASL-) user and password
+ *
+ * @param string $authc Authentication user
+ * @param string $pass Bind password
+ * @param string $authz Autorization user
+ *
+ * @return boolean True on success, False on error
+ */
+ public function sasl_bind($authc, $pass, $authz=null)
+ {
+ if (!$this->conn) {
+ return false;
+ }
+
+ if (!function_exists('ldap_sasl_bind')) {
+ rcube::raise_error(array('code' => 100, 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Unable to bind: ldap_sasl_bind() not exists"),
+ true, true);
+ }
+
+ if (!empty($authz)) {
+ $authz = 'u:' . $authz;
+ }
+
+ if (!empty($this->prop['auth_method'])) {
+ $method = $this->prop['auth_method'];
+ }
+ else {
+ $method = 'DIGEST-MD5';
+ }
+
+ $this->_debug("C: Bind [mech: $method, authc: $authc, authz: $authz] [pass: $pass]");
+
+ if (ldap_sasl_bind($this->conn, NULL, $pass, $method, NULL, $authc, $authz)) {
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ $this->_debug("S: ".ldap_error($this->conn));
+
+ rcube::raise_error(array(
+ 'code' => ldap_errno($this->conn), 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Bind failed for authcid=$authc ".ldap_error($this->conn)),
+ true);
+
+ return false;
+ }
+
+
+ /**
+ * Bind connection with DN and password
+ *
+ * @param string Bind DN
+ * @param string Bind password
+ *
+ * @return boolean True on success, False on error
+ */
+ public function bind($dn, $pass)
+ {
+ if (!$this->conn) {
+ return false;
+ }
+
+ $this->_debug("C: Bind [dn: $dn] [pass: $pass]");
+
+ if (@ldap_bind($this->conn, $dn, $pass)) {
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ $this->_debug("S: ".ldap_error($this->conn));
+
+ rcube::raise_error(array(
+ 'code' => ldap_errno($this->conn), 'type' => 'ldap',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Bind failed for dn=$dn: ".ldap_error($this->conn)),
+ true);
+
+ return false;
+ }
+
+
+ /**
+ * Close connection to LDAP server
+ */
+ function close()
+ {
+ if ($this->conn)
+ {
+ $this->_debug("C: Close");
+ ldap_unbind($this->conn);
+ $this->conn = null;
+ }
+ }
+
+
+ /**
+ * Returns address book name
+ *
+ * @return string Address book name
+ */
+ function get_name()
+ {
+ return $this->prop['name'];
+ }
+
+
+ /**
+ * 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) * $this->page_size);
+ }
+ else
+ {
+ // add general filter to query
+ if (!empty($this->prop['filter']) && empty($this->filter))
+ $this->set_search_set($this->prop['filter']);
+
+ // exec LDAP search if no result resource is stored
+ if ($this->conn && !$this->ldap_result)
+ $this->_exec_search();
+
+ // 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 && $this->prop['scope'] !== 'base' && !$this->vlv_active)
+ ldap_sort($this->conn, $this->ldap_result, $this->sort_col);
+
+ // get all entries from the ldap server
+ $entries = ldap_get_entries($this->conn, $this->ldap_result);
+ }
+
+ } // end else
+
+ // start and end of the page
+ $start_row = $this->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 $this->result;
+ }
+
+ /**
+ * Get all members of the given group
+ *
+ * @param string Group DN
+ * @param array Group entries (if called recursively)
+ * @return array Accumulated group members
+ */
+ function list_group_members($dn, $count = false, $entries = null)
+ {
+ $group_members = array();
+
+ // fetch group object
+ if (empty($entries)) {
+ $result = @ldap_read($this->conn, $dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL'));
+ if ($result === false)
+ {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return $group_members;
+ }
+
+ $entries = @ldap_get_entries($this->conn, $result);
+ }
+
+ for ($i=0; $i < $entries['count']; $i++)
+ {
+ $entry = $entries[$i];
+
+ if (empty($entry['objectclass']))
+ continue;
+
+ foreach ((array)$entry['objectclass'] as $objectclass)
+ {
+ switch (strtolower($objectclass)) {
+ case "group":
+ case "groupofnames":
+ case "kolabgroupofnames":
+ $group_members = array_merge($group_members, $this->_list_group_members($dn, $entry, 'member', $count));
+ break;
+ case "groupofuniquenames":
+ case "kolabgroupofuniquenames":
+ $group_members = array_merge($group_members, $this->_list_group_members($dn, $entry, 'uniquemember', $count));
+ break;
+ case "groupofurls":
+ $group_members = array_merge($group_members, $this->_list_group_memberurl($dn, $entry, $count));
+ break;
+ }
+ }
+
+ if ($this->prop['sizelimit'] && count($group_members) > $this->prop['sizelimit'])
+ break;
+ }
+
+ return array_filter($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
+ * @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 = $count ? array('dn') : array_values($this->fieldmap);
+ $attrib[] = 'objectClass';
+ $attrib[] = 'member';
+ $attrib[] = 'uniqueMember';
+ $attrib[] = 'memberURL';
+
+ for ($i=0; $i < $entry[$attr]['count']; $i++)
+ {
+ if (empty($entry[$attr][$i]))
+ continue;
+
+ $result = @ldap_read($this->conn, $entry[$attr][$i], '(objectclass=*)',
+ $attrib, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit']);
+
+ $members = @ldap_get_entries($this->conn, $result);
+ if ($members == false)
+ {
+ $this->_debug("S: ".ldap_error($this->conn));
+ $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];
+ $func = $m[2] == 'sub' ? 'ldap_search' : ($m[2] == 'base' ? 'ldap_read' : 'ldap_list');
+
+ $attrib = $count ? array('dn') : array_values($this->fieldmap);
+ if ($result = @$func($this->conn, $m[1], $filter,
+ $attrib, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit'])
+ ) {
+ $this->_debug("S: ".ldap_count_entries($this->conn, $result)." record(s) for ".$m[1]);
+ }
+ else {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return $group_members;
+ }
+
+ $entries = @ldap_get_entries($this->conn, $result);
+ for ($j = 0; $j < $entries['count']; $j++)
+ {
+ if ($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'] && $this->conn && join(',', (array)$fields) == join(',', $list_fields))
+ {
+ // add general filter to query
+ if (!empty($this->prop['filter']) && empty($this->filter))
+ $this->set_search_set($this->prop['filter']);
+
+ // set VLV controls with encoded search string
+ $this->_vlv_set_controls($this->prop, $this->list_page, $this->page_size, $value);
+
+ $function = $this->_scope2func($this->prop['scope']);
+ $this->ldap_result = @$function($this->conn, $this->base_dn, $this->filter ? $this->filter : '(objectclass=*)',
+ array_values($this->fieldmap), 0, $this->page_size, (int)$this->prop['timelimit']);
+
+ $this->result = new rcube_result_set(0);
+
+ if (!$this->ldap_result) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return $this->result;
+ }
+
+ $this->_debug("S: ".ldap_count_entries($this->conn, $this->ldap_result)." record(s)");
+
+ // get all entries of this page and post-filter those that really match the query
+ $search = mb_strtolower($value);
+ $entries = ldap_get_entries($this->conn, $this->ldap_result);
+
+ for ($i = 0; $i < $entries['count']; $i++) {
+ $rec = $this->_ldap2result($entries[$i]);
+ foreach ($fields as $f) {
+ foreach ((array)$rec[$f] as $val) {
+ $val = mb_strtolower($val);
+ switch ($mode) {
+ case 1:
+ $got = ($val == $search);
+ break;
+ case 2:
+ $got = ($search == substr($val, 0, strlen($search)));
+ break;
+ default:
+ $got = (strpos($val, $search) !== false);
+ break;
+ }
+
+ if ($got) {
+ $this->result->add($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" . $this->_quote_string($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" . $this->_quote_string($val) . "$ws)";
+ if (count($attrs) > 1)
+ $filter .= ')';
+ }
+ }
+ }
+ $filter .= ')';
+
+ // add required (non empty) fields filter
+ $req_filter = '';
+ foreach ((array)$required as $field) {
+ if ($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);
+ $this->_exec_search();
+
+ if ($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->conn && $this->ldap_result) {
+ $count = $this->vlv_active ? $this->vlv_count : ldap_count_entries($this->conn, $this->ldap_result);
+ }
+ else if ($this->group_id && $this->group_data['dn']) {
+ $count = count($this->list_group_members($this->group_data['dn'], true));
+ }
+ else if ($this->conn) {
+ // We have a connection but no result set, attempt to get one.
+ if (empty($this->filter)) {
+ // The filter is not set, set it.
+ $this->filter = $this->prop['filter'];
+ }
+
+ $count = (int) $this->_exec_search(true);
+ }
+
+ return new rcube_result_set($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->conn && $dn)
+ {
+ $dn = self::dn_decode($dn);
+
+ $this->_debug("C: Read [dn: $dn] [(objectclass=*)]");
+
+ if ($ldap_result = @ldap_read($this->conn, $dn, '(objectclass=*)', array_values($this->fieldmap))) {
+ $this->_debug("S: OK");
+
+ $entry = ldap_first_entry($this->conn, $ldap_result);
+
+ if ($entry && ($rec = ldap_get_attributes($this->conn, $entry))) {
+ $rec = array_change_key_case($rec, CASE_LOWER);
+ }
+ }
+ else {
+ $this->_debug("S: ".ldap_error($this->conn));
+ }
+
+ // Use ldap_list to get subentries like country (c) attribute (#1488123)
+ if (!empty($rec) && $this->sub_filter) {
+ if ($entries = $this->ldap_list($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();
+ $this->result->add($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
+ $reverse_map = array_flip($this->fieldmap);
+ $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 = $this->prop['LDAP_rdn'].'='.$this->_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($this->prop['sub_fields'])) {
+ foreach ($this->prop['sub_fields'] as $xf => $xclass) {
+ if (!empty($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 = $xidx.'='.$this->_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 $col => $fld) {
+ if ($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 = $this->prop['LDAP_rdn'].'='
+ .$this->_quote_string($replacedata[$this->prop['LDAP_rdn']], true)
+ .','.$this->base_dn;
+ if ($dn != $newdn) {
+ $newrdn = $this->prop['LDAP_rdn'].'='
+ .$this->_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 = $fld.'='.$this->_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 ($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 = $fld.'='.$this->_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 = $this->ldap_list($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 ($group_ids as $group_id) {
+ $this->remove_from_group($group_id, $dn);
+ }
+ }
+ } // end foreach
+
+ return count($ids);
+ }
+
+
+ /**
+ * Remove all contact records
+ */
+ function delete_all()
+ {
+ //searching for contact entries
+ $dn_list = $this->ldap_list($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);
+ }
+ }
+
+ /**
+ * Generate missing attributes as configured
+ *
+ * @param array LDAP record attributes
+ */
+ protected function add_autovalues(&$attrs)
+ {
+ $attrvals = array();
+ foreach ($attrs as $k => $v) {
+ $attrvals['{'.$k.'}'] = is_array($v) ? $v[0] : $v;
+ }
+
+ foreach ((array)$this->prop['autovalues'] as $lf => $templ) {
+ if (empty($attrs[$lf])) {
+ // replace {attr} placeholders with concrete attribute values
+ $templ = preg_replace('/\{\w+\}/', '', strtr($templ, $attrvals));
+
+ if (strpos($templ, '(') !== false)
+ $attrs[$lf] = eval("return ($templ);");
+ else
+ $attrs[$lf] = $templ;
+ }
+ }
+ }
+
+ /**
+ * Execute the LDAP search based on the stored credentials
+ */
+ private function _exec_search($count = false)
+ {
+ if ($this->ready)
+ {
+ $filter = $this->filter ? $this->filter : '(objectclass=*)';
+ $function = $this->_scope2func($this->prop['scope'], $ns_function);
+
+ $this->_debug("C: Search [$filter][dn: $this->base_dn]");
+
+ // when using VLV, we get the total count by...
+ if (!$count && $function != 'ldap_read' && $this->prop['vlv'] && !$this->group_id) {
+ // ...either reading numSubOrdinates attribute
+ if ($this->prop['numsub_filter'] && ($result_count = @$ns_function($this->conn, $this->base_dn, $this->prop['numsub_filter'], array('numSubOrdinates'), 0, 0, 0))) {
+ $counts = ldap_get_entries($this->conn, $result_count);
+ for ($this->vlv_count = $j = 0; $j < $counts['count']; $j++)
+ $this->vlv_count += $counts[$j]['numsubordinates'][0];
+ $this->_debug("D: total numsubordinates = " . $this->vlv_count);
+ }
+ else if (!function_exists('ldap_parse_virtuallist_control')) // ...or by fetching all records dn and count them
+ $this->vlv_count = $this->_exec_search(true);
+
+ $this->vlv_active = $this->_vlv_set_controls($this->prop, $this->list_page, $this->page_size);
+ }
+
+ // only fetch dn for count (should keep the payload low)
+ $attrs = $count ? array('dn') : array_values($this->fieldmap);
+ if ($this->ldap_result = @$function($this->conn, $this->base_dn, $filter,
+ $attrs, 0, (int)$this->prop['sizelimit'], (int)$this->prop['timelimit'])
+ ) {
+ // when running on a patched PHP we can use the extended functions to retrieve the total count from the LDAP search result
+ if ($this->vlv_active && function_exists('ldap_parse_virtuallist_control')) {
+ if (ldap_parse_result($this->conn, $this->ldap_result,
+ $errcode, $matcheddn, $errmsg, $referrals, $serverctrls)
+ ) {
+ ldap_parse_virtuallist_control($this->conn, $serverctrls,
+ $last_offset, $this->vlv_count, $vresult);
+ $this->_debug("S: VLV result: last_offset=$last_offset; content_count=$this->vlv_count");
+ }
+ else {
+ $this->_debug("S: ".($errmsg ? $errmsg : ldap_error($this->conn)));
+ }
+ }
+
+ $entries_count = ldap_count_entries($this->conn, $this->ldap_result);
+ $this->_debug("S: $entries_count record(s)");
+
+ return $count ? $entries_count : true;
+ }
+ else {
+ $this->_debug("S: ".ldap_error($this->conn));
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Choose the right PHP function according to scope property
+ */
+ private function _scope2func($scope, &$ns_function = null)
+ {
+ switch ($scope) {
+ case 'sub':
+ $function = $ns_function = 'ldap_search';
+ break;
+ case 'base':
+ $function = $ns_function = 'ldap_read';
+ break;
+ default:
+ $function = 'ldap_list';
+ $ns_function = 'ldap_read';
+ break;
+ }
+
+ return $function;
+ }
+
+ /**
+ * Set server controls for Virtual List View (paginated listing)
+ */
+ private function _vlv_set_controls($prop, $list_page, $page_size, $search = null)
+ {
+ $sort_ctrl = array('oid' => "1.2.840.113556.1.4.473", 'value' => $this->_sort_ber_encode((array)$prop['sort']));
+ $vlv_ctrl = array('oid' => "2.16.840.1.113730.3.4.9", 'value' => $this->_vlv_ber_encode(($offset = ($list_page-1) * $page_size + 1), $page_size, $search), 'iscritical' => true);
+
+ $sort = (array)$prop['sort'];
+ $this->_debug("C: set controls sort=" . join(' ', unpack('H'.(strlen($sort_ctrl['value'])*2), $sort_ctrl['value'])) . " ($sort[0]);"
+ . " vlv=" . join(' ', (unpack('H'.(strlen($vlv_ctrl['value'])*2), $vlv_ctrl['value']))) . " ($offset/$page_size)");
+
+ if (!ldap_set_option($this->conn, LDAP_OPT_SERVER_CONTROLS, array($sort_ctrl, $vlv_ctrl))) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ $this->set_error(self::ERROR_SEARCH, 'vlvnotsupported');
+ return false;
+ }
+
+ return true;
+ }
+
+
+ /**
+ * Converts LDAP entry into an array
+ */
+ private function _ldap2result($rec)
+ {
+ $out = array();
+
+ if ($rec['dn'])
+ $out[$this->primary_key] = self::dn_encode($rec['dn']);
+
+ foreach ($this->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)
+ $save_cols[$key][$i] = join($delim, array($val['street'], $val['locality'], $val['zipcode'], $val['country']));
+ }
+ }
+ }
+
+ $ldap_data = array();
+ foreach ($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) . $suffix;
+ }
+
+
+ /**
+ * Prints debug info to the log
+ */
+ private function _debug($str)
+ {
+ if ($this->debug) {
+ rcube::write_log('ldap', $str);
+ }
+ }
+
+
+ /**
+ * Activate/deactivate debug mode
+ *
+ * @param boolean $dbg True if LDAP commands should be logged
+ * @access public
+ */
+ function set_debug($dbg = true)
+ {
+ $this->debug = $dbg;
+ }
+
+
+ /**
+ * Quotes attribute value string
+ *
+ * @param string $str Attribute value
+ * @param bool $dn True if the attribute is a DN
+ *
+ * @return string Quoted string
+ */
+ private static function _quote_string($str, $dn=false)
+ {
+ // take firt entry if array given
+ if (is_array($str))
+ $str = reset($str);
+
+ if ($dn)
+ $replace = array(','=>'\2c', '='=>'\3d', '+'=>'\2b', '<'=>'\3c',
+ '>'=>'\3e', ';'=>'\3b', '\\'=>'\5c', '"'=>'\22', '#'=>'\23');
+ else
+ $replace = array('*'=>'\2a', '('=>'\28', ')'=>'\29', '\\'=>'\5c',
+ '/'=>'\2f');
+
+ return strtr($str, $replace);
+ }
+
+
+ /**
+ * Setter for the current group
+ * (empty, has to be re-implemented by extending class)
+ */
+ function set_group($group_id)
+ {
+ if ($group_id)
+ {
+ if (($group_cache = $this->cache->get('groups')) === null)
+ $group_cache = $this->_fetch_groups();
+
+ $this->group_id = $group_id;
+ $this->group_data = $group_cache[$group_id];
+ }
+ else
+ {
+ $this->group_id = 0;
+ $this->group_data = null;
+ }
+ }
+
+ /**
+ * List all active contact groups of this source
+ *
+ * @param string Optional search string to match group name
+ * @return array Indexed list of contact groups, each a hash array
+ */
+ function list_groups($search = null)
+ {
+ if (!$this->groups)
+ return array();
+
+ // use cached list for searching
+ $this->cache->expunge();
+ if (!$search || ($group_cache = $this->cache->get('groups')) === null)
+ $group_cache = $this->_fetch_groups();
+
+ $groups = array();
+ if ($search) {
+ $search = mb_strtolower($search);
+ foreach ($group_cache as $group) {
+ if (strpos(mb_strtolower($group['name']), $search) !== false)
+ $groups[] = $group;
+ }
+ }
+ else
+ $groups = $group_cache;
+
+ return array_values($groups);
+ }
+
+ /**
+ * Fetch groups from server
+ */
+ private function _fetch_groups($vlv_page = 0)
+ {
+ $base_dn = $this->groups_base_dn;
+ $filter = $this->prop['groups']['filter'];
+ $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];
+
+ $this->_debug("C: Search [$filter][dn: $base_dn]");
+
+ // use vlv to list groups
+ if ($this->prop['groups']['vlv']) {
+ $page_size = 200;
+ if (!$this->prop['groups']['sort'])
+ $this->prop['groups']['sort'] = $sort_attrs;
+ $vlv_active = $this->_vlv_set_controls($this->prop['groups'], $vlv_page+1, $page_size);
+ }
+
+ $function = $this->_scope2func($this->prop['groups']['scope'], $ns_function);
+ $res = @$function($this->conn, $base_dn, $filter, array_unique(array('dn', 'objectClass', $name_attr, $email_attr, $sort_attr)));
+ if ($res === false)
+ {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return array();
+ }
+
+ $ldap_data = ldap_get_entries($this->conn, $res);
+ $this->_debug("S: ".ldap_count_entries($this->conn, $res)." record(s)");
+
+ $groups = array();
+ $group_sortnames = array();
+ $group_count = $ldap_data["count"];
+ for ($i=0; $i < $group_count; $i++)
+ {
+ $group_name = is_array($ldap_data[$i][$name_attr]) ? $ldap_data[$i][$name_attr][0] : $ldap_data[$i][$name_attr];
+ $group_id = self::dn_encode($group_name);
+ $groups[$group_id]['ID'] = $group_id;
+ $groups[$group_id]['dn'] = $ldap_data[$i]['dn'];
+ $groups[$group_id]['name'] = $group_name;
+ $groups[$group_id]['member_attr'] = $this->get_group_member_attr($ldap_data[$i]['objectclass']);
+
+ // list email attributes of a group
+ for ($j=0; $ldap_data[$i][$email_attr] && $j < $ldap_data[$i][$email_attr]['count']; $j++) {
+ if (strpos($ldap_data[$i][$email_attr][$j], '@') > 0)
+ $groups[$group_id]['email'][] = $ldap_data[$i][$email_attr][$j];
+ }
+
+ $group_sortnames[] = mb_strtolower($ldap_data[$i][$sort_attr][0]);
+ }
+
+ // recursive call can exit here
+ if ($vlv_page > 0)
+ return $groups;
+
+ // call recursively until we have fetched all groups
+ while ($vlv_active && $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
+ $this->cache->set('groups', $groups);
+
+ return $groups;
+ }
+
+ /**
+ * Get group properties such as name and email address(es)
+ *
+ * @param string Group identifier
+ * @return array Group properties as hash array
+ */
+ function get_group($group_id)
+ {
+ if (($group_cache = $this->cache->get('groups')) === null)
+ $group_cache = $this->_fetch_groups();
+
+ $group_data = $group_cache[$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)
+ {
+ $base_dn = $this->groups_base_dn;
+ $new_dn = "cn=$group_name,$base_dn";
+ $new_gid = self::dn_encode($group_name);
+ $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;
+ }
+
+ $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)
+ {
+ if (($group_cache = $this->cache->get('groups')) === null)
+ $group_cache = $this->_fetch_groups();
+
+ $base_dn = $this->groups_base_dn;
+ $group_name = $group_cache[$group_id]['name'];
+ $del_dn = "cn=$group_name,$base_dn";
+
+ if (!$this->ldap_delete($del_dn)) {
+ $this->set_error(self::ERROR_SAVING, 'errorsaving');
+ return false;
+ }
+
+ $this->cache->remove('groups');
+
+ return true;
+ }
+
+ /**
+ * Rename a specific contact group
+ *
+ * @param string Group identifier
+ * @param string New name to set for this group
+ * @param string New group identifier (if changed, otherwise don't set)
+ * @return boolean New name on success, false if no data was changed
+ */
+ function rename_group($group_id, $new_name, &$new_gid)
+ {
+ if (($group_cache = $this->cache->get('groups')) === null)
+ $group_cache = $this->_fetch_groups();
+
+ $base_dn = $this->groups_base_dn;
+ $group_name = $group_cache[$group_id]['name'];
+ $old_dn = "cn=$group_name,$base_dn";
+ $new_rdn = "cn=$new_name";
+ $new_gid = self::dn_encode($new_name);
+
+ if (!$this->ldap_rename($old_dn, $new_rdn, null, true)) {
+ $this->set_error(self::ERROR_SAVING, 'errorsaving');
+ return false;
+ }
+
+ $this->cache->remove('groups');
+
+ return $new_name;
+ }
+
+ /**
+ * Add the given contact records the a certain group
+ *
+ * @param string Group identifier
+ * @param array List of contact identifiers to be added
+ * @return int Number of contacts added
+ */
+ function add_to_group($group_id, $contact_ids)
+ {
+ if (($group_cache = $this->cache->get('groups')) === null)
+ $group_cache = $this->_fetch_groups();
+
+ if (!is_array($contact_ids))
+ $contact_ids = explode(',', $contact_ids);
+
+ $base_dn = $this->groups_base_dn;
+ $group_name = $group_cache[$group_id]['name'];
+ $member_attr = $group_cache[$group_id]['member_attr'];
+ $group_dn = "cn=$group_name,$base_dn";
+
+ $new_attrs = array();
+ foreach ($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;
+ }
+
+ $this->cache->remove('groups');
+
+ return count($new_attrs['member']);
+ }
+
+ /**
+ * Remove the given contact records from a certain group
+ *
+ * @param string Group identifier
+ * @param array List of contact identifiers to be removed
+ * @return int Number of deleted group members
+ */
+ function remove_from_group($group_id, $contact_ids)
+ {
+ if (($group_cache = $this->cache->get('groups')) === null)
+ $group_cache = $this->_fetch_groups();
+
+ $base_dn = $this->groups_base_dn;
+ $group_name = $group_cache[$group_id]['name'];
+ $member_attr = $group_cache[$group_id]['member_attr'];
+ $group_dn = "cn=$group_name,$base_dn";
+
+ $del_attrs = array();
+ foreach (explode(",", $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;
+ }
+
+ $this->cache->remove('groups');
+
+ return count($del_attrs['member']);
+ }
+
+ /**
+ * 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('\\' => '\\\\'));
+
+ $this->_debug("C: Search [$filter][dn: $base_dn]");
+
+ $res = @ldap_search($this->conn, $base_dn, $filter, array($name_attr));
+ if ($res === false)
+ {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return array();
+ }
+ $ldap_data = ldap_get_entries($this->conn, $res);
+ $this->_debug("S: ".ldap_count_entries($this->conn, $res)." record(s)");
+
+ $groups = array();
+ for ($i=0; $i<$ldap_data["count"]; $i++)
+ {
+ $group_name = $ldap_data[$i][$name_attr][0];
+ $group_id = self::dn_encode($group_name);
+ $groups[$group_id] = $group_id;
+ }
+ return $groups;
+ }
+
+ /**
+ * Detects group member attribute name
+ */
+ private function get_group_member_attr($object_classes = array())
+ {
+ if (empty($object_classes)) {
+ $object_classes = $this->prop['groups']['object_classes'];
+ }
+ if (!empty($object_classes)) {
+ foreach ((array)$object_classes as $oc) {
+ switch (strtolower($oc)) {
+ case 'group':
+ case 'groupofnames':
+ case 'kolabgroupofnames':
+ $member_attr = 'member';
+ break;
+
+ case 'groupofuniquenames':
+ case 'kolabgroupofuniquenames':
+ $member_attr = 'uniqueMember';
+ break;
+ }
+ }
+ }
+
+ if (!empty($member_attr)) {
+ return $member_attr;
+ }
+
+ if (!empty($this->prop['groups']['member_attr'])) {
+ return $this->prop['groups']['member_attr'];
+ }
+
+ return 'member';
+ }
+
+
+ /**
+ * Generate BER encoded string for Virtual List View option
+ *
+ * @param integer List offset (first record)
+ * @param integer Records per page
+ * @return string BER encoded option value
+ */
+ private function _vlv_ber_encode($offset, $rpp, $search = '')
+ {
+ # this string is ber-encoded, php will prefix this value with:
+ # 04 (octet string) and 10 (length of 16 bytes)
+ # the code behind this string is broken down as follows:
+ # 30 = ber sequence with a length of 0e (14) bytes following
+ # 02 = type integer (in two's complement form) with 2 bytes following (beforeCount): 01 00 (ie 0)
+ # 02 = type integer (in two's complement form) with 2 bytes following (afterCount): 01 18 (ie 25-1=24)
+ # a0 = type context-specific/constructed with a length of 06 (6) bytes following
+ # 02 = type integer with 2 bytes following (offset): 01 01 (ie 1)
+ # 02 = type integer with 2 bytes following (contentCount): 01 00
+
+ # whith a search string present:
+ # 81 = type context-specific/constructed with a length of 04 (4) bytes following (the length will change here)
+ # 81 indicates a user string is present where as a a0 indicates just a offset search
+ # 81 = type context-specific/constructed with a length of 06 (6) bytes following
+
+ # the following info was taken from the ISO/IEC 8825-1:2003 x.690 standard re: the
+ # encoding of integer values (note: these values are in
+ # two-complement form so since offset will never be negative bit 8 of the
+ # leftmost octet should never by set to 1):
+ # 8.3.2: If the contents octets of an integer value encoding consist
+ # of more than one octet, then the bits of the first octet (rightmost) and bit 8
+ # of the second (to the left of first octet) octet:
+ # a) shall not all be ones; and
+ # b) shall not all be zero
+
+ if ($search)
+ {
+ $search = preg_replace('/[^-[:alpha:] ,.()0-9]+/', '', $search);
+ $ber_val = self::_string2hex($search);
+ $str = self::_ber_addseq($ber_val, '81');
+ }
+ else
+ {
+ # construct the string from right to left
+ $str = "020100"; # contentCount
+
+ $ber_val = self::_ber_encode_int($offset); // returns encoded integer value in hex format
+
+ // calculate octet length of $ber_val
+ $str = self::_ber_addseq($ber_val, '02') . $str;
+
+ // now compute length over $str
+ $str = self::_ber_addseq($str, 'a0');
+ }
+
+ // now tack on records per page
+ $str = "020100" . self::_ber_addseq(self::_ber_encode_int($rpp-1), '02') . $str;
+
+ // now tack on sequence identifier and length
+ $str = self::_ber_addseq($str, '30');
+
+ return pack('H'.strlen($str), $str);
+ }
+
+
+ /**
+ * create ber encoding for sort control
+ *
+ * @param array List of cols to sort by
+ * @return string BER encoded option value
+ */
+ private function _sort_ber_encode($sortcols)
+ {
+ $str = '';
+ foreach (array_reverse((array)$sortcols) as $col) {
+ $ber_val = self::_string2hex($col);
+
+ # 30 = ber sequence with a length of octet value
+ # 04 = octet string with a length of the ascii value
+ $oct = self::_ber_addseq($ber_val, '04');
+ $str = self::_ber_addseq($oct, '30') . $str;
+ }
+
+ // now tack on sequence identifier and length
+ $str = self::_ber_addseq($str, '30');
+
+ return pack('H'.strlen($str), $str);
+ }
+
+ /**
+ * Add BER sequence with correct length and the given identifier
+ */
+ private static function _ber_addseq($str, $identifier)
+ {
+ $len = dechex(strlen($str)/2);
+ if (strlen($len) % 2 != 0)
+ $len = '0'.$len;
+
+ return $identifier . $len . $str;
+ }
+
+ /**
+ * Returns BER encoded integer value in hex format
+ */
+ private static function _ber_encode_int($offset)
+ {
+ $val = dechex($offset);
+ $prefix = '';
+
+ // check if bit 8 of high byte is 1
+ if (preg_match('/^[89abcdef]/', $val))
+ $prefix = '00';
+
+ if (strlen($val)%2 != 0)
+ $prefix .= '0';
+
+ return $prefix . $val;
+ }
+
+ /**
+ * Returns ascii string encoded in hex
+ */
+ private static function _string2hex($str)
+ {
+ $hex = '';
+ for ($i=0; $i < strlen($str); $i++)
+ $hex .= dechex(ord($str[$i]));
+ return $hex;
+ }
+
+ /**
+ * 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);
+ }
+
+ /**
+ * Wrapper for ldap_add()
+ */
+ protected function ldap_add($dn, $entry)
+ {
+ $this->_debug("C: Add [dn: $dn]: ".print_r($entry, true));
+
+ $res = ldap_add($this->conn, $dn, $entry);
+ if ($res === false) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_delete()
+ */
+ protected function ldap_delete($dn)
+ {
+ $this->_debug("C: Delete [dn: $dn]");
+
+ $res = ldap_delete($this->conn, $dn);
+ if ($res === false) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_mod_replace()
+ */
+ protected function ldap_mod_replace($dn, $entry)
+ {
+ $this->_debug("C: Replace [dn: $dn]: ".print_r($entry, true));
+
+ if (!ldap_mod_replace($this->conn, $dn, $entry)) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_mod_add()
+ */
+ protected function ldap_mod_add($dn, $entry)
+ {
+ $this->_debug("C: Add [dn: $dn]: ".print_r($entry, true));
+
+ if (!ldap_mod_add($this->conn, $dn, $entry)) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_mod_del()
+ */
+ protected function ldap_mod_del($dn, $entry)
+ {
+ $this->_debug("C: Delete [dn: $dn]: ".print_r($entry, true));
+
+ if (!ldap_mod_del($this->conn, $dn, $entry)) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_rename()
+ */
+ protected function ldap_rename($dn, $newrdn, $newparent = null, $deleteoldrdn = true)
+ {
+ $this->_debug("C: Rename [dn: $dn] [dn: $newrdn]");
+
+ if (!ldap_rename($this->conn, $dn, $newrdn, $newparent, $deleteoldrdn)) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return false;
+ }
+
+ $this->_debug("S: OK");
+ return true;
+ }
+
+ /**
+ * Wrapper for ldap_list()
+ */
+ protected function ldap_list($dn, $filter, $attrs = array(''))
+ {
+ $list = array();
+ $this->_debug("C: List [dn: $dn] [{$filter}]");
+
+ if ($result = ldap_list($this->conn, $dn, $filter, $attrs)) {
+ $list = ldap_get_entries($this->conn, $result);
+
+ if ($list === false) {
+ $this->_debug("S: ".ldap_error($this->conn));
+ return array();
+ }
+
+ $count = $list['count'];
+ unset($list['count']);
+
+ $this->_debug("S: $count record(s)");
+ }
+ else {
+ $this->_debug("S: ".ldap_error($this->conn));
+ }
+
+ return $list;
+ }
+
+}