From 3412e50b54e3daac8745234e21ab6e72be0ed165 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Wed, 04 Jun 2014 11:20:33 -0400
Subject: [PATCH] Fix attachment menu structure and aria-attributes

---
 program/lib/Roundcube/rcube_ldap.php |  456 +++++++++++++++++++++++++++++++++++---------------------
 1 files changed, 283 insertions(+), 173 deletions(-)

diff --git a/program/lib/Roundcube/rcube_ldap.php b/program/lib/Roundcube/rcube_ldap.php
index 36f766d..5a4b9dd 100644
--- a/program/lib/Roundcube/rcube_ldap.php
+++ b/program/lib/Roundcube/rcube_ldap.php
@@ -27,28 +27,44 @@
  */
 class rcube_ldap extends rcube_addressbook
 {
-    /** public properties */
+    // public properties
     public $primary_key = 'ID';
-    public $groups = false;
-    public $readonly = true;
-    public $ready = false;
-    public $group_id = 0;
-    public $coltypes = array();
+    public $groups      = false;
+    public $readonly    = true;
+    public $ready       = false;
+    public $group_id    = 0;
+    public $coltypes    = array();
+    public $export_groups = false;
 
-    /** private properties */
+    // private properties
     protected $ldap;
-    protected $prop = array();
+    protected $prop     = array();
     protected $fieldmap = array();
+    protected $filter   = '';
     protected $sub_filter;
-    protected $filter = '';
-    protected $result = null;
-    protected $ldap_result = null;
+    protected $result;
+    protected $ldap_result;
     protected $mail_domain = '';
     protected $debug = false;
 
-    private $base_dn = '';
+    /**
+     * 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 = null;
+    private $group_url;
     private $cache;
 
 
@@ -65,9 +81,6 @@
 
         $fetch_attributes = array('objectClass');
 
-        if (isset($p['searchonly']))
-            $this->searchonly = $p['searchonly'];
-
         // check if groups are configured
         if (is_array($p['groups']) && count($p['groups'])) {
             $this->groups = true;
@@ -81,12 +94,24 @@
                 $this->prop['groups']['name_attr'] = 'cn';
             if (empty($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[] = $this->prop['groups']['name_attr'];
         }
-        else if (is_array($p['group_filters']) && count($p['group_filters'])) {
+        if (is_array($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
@@ -190,16 +215,17 @@
         $this->mail_domain = $mail_domain;
 
         // initialize cache
-        $rcube      = rcube::get_instance();
-        $cache_type = $rcube->config->get('ldap_cache', 'db');
-        $cache_ttl  = $rcube->config->get('ldap_cache_ttl', '10m');
-        $cache_name = 'LDAP.' . asciiwords($this->prop['name']);
+        $rcube = rcube::get_instance();
+        if ($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);
+            $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);
-        $this->prop['list_attributes'] = $fetch_attributes;
         foreach ($rcube->config->get('contactlist_fields') as $col) {
             $this->prop['list_attributes'] = array_merge($this->prop['list_attributes'], $this->_map_field($col));
         }
@@ -265,31 +291,64 @@
 
                 $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($this->prop['search_bind_pw'])) {
-                        if (!$this->ldap->bind($this->prop['search_bind_dn'], $this->prop['search_bind_pw']))
-                            continue;  // bind failed, try neyt host
-                    }
+                // Search for the dn to use to authenticate
+                if ($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 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);
+                    $search_bind_dn = strtr($this->prop['search_bind_dn'], $replaces);
+                    $search_base_dn = strtr($this->prop['search_base_dn'], $replaces);
+                    $search_filter  = strtr($this->prop['search_filter'], $replaces);
 
-                    $this->_debug("S: Search {$this->prop['search_base_dn']} for {$this->prop['search_filter']}");
+                    $cache_key = 'DN.' . md5("$host:$search_bind_dn:$search_base_dn:$search_filter:"
+                        .$this->prop['search_bind_pw']);
 
-                    // TODO: use $this->ldap->search() here
-                    $res = @ldap_search($this->ldap->conn, $this->prop['search_base_dn'], $this->prop['search_filter'], array('uid'));
-                    if ($res) {
-                        if (($entry = ldap_first_entry($this->ldap->conn, $res))
-                            && ($bind_dn = ldap_get_dn($this->ldap->conn, $entry))
-                        ) {
-                            $this->_debug("S: OK. Found $bind_dn");
-                            $dn = ldap_explode_dn($bind_dn, 1);
-                            $replaces['%dn'] = $dn[0];
-                        }
+                    if ($this->cache && ($dn = $this->cache->get($cache_key))) {
+                        $replaces['%dn'] = $dn;
                     }
                     else {
-                        $this->_debug("S: ".ldap_error($this->ldap->conn));
+                        $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
@@ -301,8 +360,12 @@
                                 'code' => 100, 'type' => 'ldap',
                                 'file' => __FILE__, 'line' => __LINE__,
                                 'message' => "DN not found using LDAP search."), true);
-                            return false;
+                            continue;
                         }
+                    }
+
+                    if ($this->cache && !empty($replaces['%dn'])) {
+                        $this->cache->set($cache_key, $replaces['%dn']);
                     }
                 }
 
@@ -310,6 +373,24 @@
                 $bind_dn              = strtr($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;
@@ -473,7 +554,8 @@
             $this->result = new rcube_result_set($entries['count'], ($this->list_page-1) * $this->page_size);
         }
         else {
-            $prop = $this->group_id ? $this->group_data : $this->prop;
+            $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))
@@ -481,7 +563,7 @@
 
             // exec LDAP search if no result resource is stored
             if ($this->ready && !$this->ldap_result)
-                $this->ldap_result = $this->ldap->search($prop['base_dn'], $prop['filter'], $prop['scope'], $this->prop['attributes'], $prop);
+                $this->ldap_result = $this->ldap->search($base_dn, $prop['filter'], $prop['scope'], $this->prop['attributes'], $prop);
 
             // count contacts for this user
             $this->result = $this->count();
@@ -514,9 +596,10 @@
     /**
      * Get all members of the given group
      *
-     * @param string Group DN
-     * @param array  Group entries (if called recursively)
-     * @return array Accumulated group members
+     * @param string  Group DN
+     * @param boolean Count only
+     * @param array   Group entries (if called recursively)
+     * @return array  Accumulated group members
      */
     function list_group_members($dn, $count = false, $entries = null)
     {
@@ -524,7 +607,8 @@
 
         // fetch group object
         if (empty($entries)) {
-            $entries = $this->ldap->read_entries($dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL'));
+            $attribs = array_merge(array('dn','objectClass','memberURL'), array_values($this->group_types));
+            $entries = $this->ldap->read_entries($dn, '(objectClass=*)', $attribs);
             if ($entries === false) {
                 return $group_members;
             }
@@ -532,29 +616,25 @@
 
         for ($i=0; $i < $entries['count']; $i++) {
             $entry = $entries[$i];
-
-            if (empty($entry['objectclass']))
-                continue;
+            $attrs = array();
 
             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, $count));
-                        break;
+                if (($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) > $this->prop['sizelimit']) {
+                    break 2;
                 }
             }
-
-            if ($this->prop['sizelimit'] && count($group_members) > $this->prop['sizelimit'])
-              break;
         }
 
         return array_filter($group_members);
@@ -566,6 +646,7 @@
      * @param string Group DN
      * @param array  Group entry
      * @param string Member attribute to use
+     * @param boolean Count only
      * @return array Accumulated group members
      */
     private function _list_group_members($dn, $entry, $attr, $count)
@@ -573,13 +654,13 @@
         // 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[$attr]))
+        if (empty($entry[$attr])) {
             return $group_members;
+        }
 
         // read these attributes for all members
         $attrib = $count ? array('dn','objectClass') : $this->prop['list_attributes'];
-        $attrib[] = 'member';
-        $attrib[] = 'uniqueMember';
+        $attrib = array_merge($attrib, array_values($this->group_types));
         $attrib[] = 'memberURL';
 
         $filter = $this->prop['groups']['member_filter'] ? $this->prop['groups']['member_filter'] : '(objectclass=*)';
@@ -626,7 +707,7 @@
             if ($result = $this->ldap->search($m[1], $filter, $m[2], $attrs, $this->group_data)) {
                 $entries = $result->entries();
                 for ($j = 0; $j < $entries['count']; $j++) {
-                    if (self::is_group_entry($entries[$j]) && ($nested_group_members = $this->list_group_members($entries[$j]['dn'], $count)))
+                    if ($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];
@@ -802,13 +883,13 @@
         }
         // 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;
+            $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 = $this->ldap->search($prop['base_dn'], $prop['filter'], $prop['scope'], array('dn'), $prop, true);
+            $count = $this->ldap->search($base_dn, $prop['filter'], $prop['scope'], array('dn'), $prop, true);
         }
 
         return new rcube_result_set($count, ($this->list_page-1) * $this->page_size);
@@ -1167,8 +1248,7 @@
             // change the group membership of the contact
             if ($this->groups) {
                 $group_ids = $this->get_record_groups($dn);
-                foreach ($group_ids as $group_id => $group_prop)
-                {
+                foreach (array_keys($group_ids) as $group_id) {
                     $this->remove_from_group($group_id, $dn);
                     $this->add_to_group($group_id, $newdn);
                 }
@@ -1233,7 +1313,7 @@
             if ($this->groups) {
                 $dn = self::dn_encode($dn);
                 $group_ids = $this->get_record_groups($dn);
-                foreach ($group_ids as $group_id => $group_prop) {
+                foreach (array_keys($group_ids) as $group_id) {
                     $this->remove_from_group($group_id, $dn);
                 }
             }
@@ -1245,8 +1325,10 @@
 
     /**
      * Remove all contact records
+     *
+     * @param bool $with_groups Delete also groups if enabled
      */
-    function delete_all()
+    function delete_all($with_groups = false)
     {
         // searching for contact entries
         $dn_list = $this->ldap->list_entries($this->base_dn, $this->prop['filter'] ? $this->prop['filter'] : '(objectclass=*)');
@@ -1256,6 +1338,16 @@
                 $dn_list[$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');
+            }
         }
     }
 
@@ -1312,10 +1404,20 @@
             $out[$this->primary_key] = self::dn_encode($rec['dn']);
 
         // determine record type
-        if (self::is_group_entry($rec)) {
+        if ($this->is_group_entry($rec)) {
             $out['_type'] = 'group';
             $out['readonly'] = true;
-            $fieldmap['name'] = $this->prop['groups']['name_attr'];
+            $fieldmap['name'] = $this->group_data['name_attr'] ? $this->group_data['name_attr'] : $this->prop['groups']['name_attr'];
+        }
+
+        // assign object type from object class mapping
+        if (!empty($this->prop['class_type_map'])) {
+            foreach (array_map('strtolower', (array)$rec['objectclass']) as $objcls) {
+                if (!empty($this->prop['class_type_map'][$objcls])) {
+                    $out['_type'] = $this->prop['class_type_map'][$objcls];
+                    break;
+                }
+            }
         }
 
         foreach ($fieldmap as $rf => $lf)
@@ -1421,11 +1523,11 @@
     {
         // list of known attribute aliases
         static $aliases = array(
-            'gn' => 'givenname',
+            'gn'            => 'givenname',
             'rfc822mailbox' => 'email',
-            'userid' => 'uid',
-            'emailaddress' => 'email',
-            'pkcs9email' => 'email',
+            'userid'        => 'uid',
+            'emailaddress'  => 'email',
+            'pkcs9email'    => 'email',
         );
 
         list($name, $limit) = explode(':', $namev, 2);
@@ -1437,12 +1539,11 @@
     /**
      * Determines whether the given LDAP entry is a group record
      */
-    private static function is_group_entry($entry)
+    private function is_group_entry($entry)
     {
-        return array_intersect(
-            array('group', 'groupofnames', 'kolabgroupofnames', 'groupofuniquenames','kolabgroupofuniquenames','groupofurls'),
-            array_map('strtolower', (array)$entry['objectclass'])
-        );
+        $classes = array_map('strtolower', (array)$entry['objectclass']);
+
+        return count(array_intersect(array_keys($this->group_types), $classes)) > 0;
     }
 
     /**
@@ -1499,15 +1600,13 @@
      */
     function list_groups($search = null, $mode = 0)
     {
-        if (!$this->groups)
+        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();
+        $group_cache = $this->_fetch_groups();
+        $groups      = array();
 
-        $groups = array();
         if ($search) {
             foreach ($group_cache as $group) {
                 if ($this->compare_search_value('name', $group['name'], $search, $mode)) {
@@ -1515,8 +1614,9 @@
                 }
             }
         }
-        else
+        else {
             $groups = $group_cache;
+        }
 
         return array_values($groups);
     }
@@ -1524,16 +1624,17 @@
     /**
      * Fetch groups from server
      */
-    private function _fetch_groups($vlv_page = 0)
+    private function _fetch_groups($vlv_page = null)
     {
         // special case: list groups from 'group_filters' config
-        if (!empty($this->prop['group_filters'])) {
+        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_label('groups'), 'virtual' => true) + $this->prop['groups'];
+                $groups[$id] = array('ID' => $id, 'name' => $rcube->gettext('groups'), 'virtual' => true) + $this->prop['groups'];
             }
 
             foreach ($this->prop['group_filters'] as $id => $prop) {
@@ -1543,35 +1644,43 @@
             return $groups;
         }
 
-        $base_dn = $this->groups_base_dn;
-        $filter = $this->prop['groups']['filter'];
-        $name_attr = $this->prop['groups']['name_attr'];
+        if ($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];
+        $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'])
+            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, $this->prop['groups']['scope'], $attrs, $this->prop['groups']);
+        $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();
+        $groups          = array();
         $group_sortnames = array();
-        $group_count = $ldap_data->count();
+        $group_count     = $ldap_data->count();
+
         foreach ($ldap_data as $entry) {
             if (!$entry['dn'])  // DN is mandatory
                 $entry['dn'] = $ldap_data->get_dn();
@@ -1593,22 +1702,26 @@
         }
 
         // recursive call can exit here
-        if ($vlv_page > 0)
+        if ($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);
+            $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 (!$this->prop['groups']['vlv'])
+        if (!$this->prop['groups']['vlv']) {
             array_multisort($group_sortnames, SORT_ASC, SORT_STRING, $groups);
+        }
 
         // cache this
-        $this->cache->set('groups', $groups);
+        if ($this->cache) {
+            $this->cache->set('groups', $groups);
+        }
 
         return $groups;
     }
@@ -1618,8 +1731,7 @@
      */
     private function get_group_entry($group_id)
     {
-        if (($group_cache = $this->cache->get('groups')) === null)
-            $group_cache = $this->_fetch_groups();
+        $group_cache = $this->_fetch_groups();
 
         // add group record to cache if it isn't yet there
         if (!isset($group_cache[$group_id])) {
@@ -1638,7 +1750,9 @@
                 $group_cache[$group_id] = false;
             }
 
-            $this->cache->set('groups', $group_cache);
+            if ($this->cache) {
+                $this->cache->set('groups', $group_cache);
+            }
         }
 
         return $group_cache[$group_id];
@@ -1666,12 +1780,11 @@
      */
     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);
+        $new_dn      = 'cn=' . rcube_ldap_generic::quote_string($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(
+        $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 => '',
@@ -1682,7 +1795,9 @@
             return false;
         }
 
-        $this->cache->remove('groups');
+        if ($this->cache) {
+            $this->cache->remove('groups');
+        }
 
         return array('id' => $new_gid, 'name' => $group_name);
     }
@@ -1695,18 +1810,18 @@
      */
     function delete_group($group_id)
     {
-        if (($group_cache = $this->cache->get('groups')) === null)
-            $group_cache = $this->_fetch_groups();
-
-        $del_dn = $group_cache[$group_id]['dn'];
+        $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;
         }
 
-        unset($group_cache[$group_id]);
-        $this->cache->set('groups', $group_cache);
+        if ($this->cache) {
+            unset($group_cache[$group_id]);
+            $this->cache->set('groups', $group_cache);
+        }
 
         return true;
     }
@@ -1721,19 +1836,19 @@
      */
     function rename_group($group_id, $new_name, &$new_gid)
     {
-        if (($group_cache = $this->cache->get('groups')) === null)
-            $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);
+        $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;
         }
 
-        $this->cache->remove('groups');
+        if ($this->cache) {
+            $this->cache->remove('groups');
+        }
 
         return $new_name;
     }
@@ -1748,25 +1863,27 @@
      */
     function add_to_group($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);
-
+        $group_cache = $this->_fetch_groups();
         $member_attr = $group_cache[$group_id]['member_attr'];
         $group_dn    = $group_cache[$group_id]['dn'];
         $new_attrs   = array();
 
-        foreach ($contact_ids as $id)
+        if (!is_array($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;
         }
 
-        $this->cache->remove('groups');
+        if ($this->cache) {
+            $this->cache->remove('groups');
+        }
 
         return count($new_attrs[$member_attr]);
     }
@@ -1781,25 +1898,27 @@
      */
     function remove_from_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);
-
+        $group_cache = $this->_fetch_groups();
         $member_attr = $group_cache[$group_id]['member_attr'];
         $group_dn    = $group_cache[$group_id]['dn'];
-        $del_attrs = array();
+        $del_attrs   = array();
 
-        foreach ($contact_ids as $id)
+        if (!is_array($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;
         }
 
-        $this->cache->remove('groups');
+        if ($this->cache) {
+            $this->cache->remove('groups');
+        }
 
         return count($del_attrs[$member_attr]);
     }
@@ -1814,14 +1933,16 @@
      */
     function get_record_groups($contact_id)
     {
-        if (!$this->groups)
+        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('\\' => '\\\\'));
@@ -1837,45 +1958,34 @@
                 $entry['dn'] = $ldap_data->get_dn();
             $group_name = $entry[$name_attr][0];
             $group_id = self::dn_encode($entry['dn']);
-            $groups[$group_id] = array('ID' => $group_id, 'name' => $group_name, 'dn' => $entry['dn']);
+            $groups[$group_id] = $group_name;
         }
+
         return $groups;
     }
 
     /**
      * Detects group member attribute name
      */
-    private function get_group_member_attr($object_classes = array())
+    private function get_group_member_attr($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 $oc) {
-                switch (strtolower($oc)) {
-                    case 'group':
-                    case 'groupofnames':
-                    case 'kolabgroupofnames':
-                        $member_attr = 'member';
-                        break;
-
-                    case 'groupofuniquenames':
-                    case 'kolabgroupofuniquenames':
-                        $member_attr = 'uniqueMember';
-                        break;
+                if ($attr = $this->group_types[strtolower($oc)]) {
+                    return $attr;
                 }
             }
-        }
-
-        if (!empty($member_attr)) {
-            return $member_attr;
         }
 
         if (!empty($this->prop['groups']['member_attr'])) {
             return $this->prop['groups']['member_attr'];
         }
 
-        return 'member';
+        return $default;
     }
 
 

--
Gitblit v1.9.1