diff options
| author | Thomas Bruederli <thomas@roundcube.net> | 2013-06-18 13:49:19 +0200 |
|---|---|---|
| committer | Thomas Bruederli <thomas@roundcube.net> | 2013-06-18 13:49:19 +0200 |
| commit | dd54725b21bf1a5a2c617b70c05ef6fb1681505d (patch) | |
| tree | 2dc5c88aefc0db0cc8da0431896bb520e9bbdb6e /program/lib/Roundcube | |
| parent | b531277d039c0649736310c9b84efe4758b39537 (diff) | |
| parent | 03c73fa1c59812d95c843ff63aa692a54521f264 (diff) | |
Merge branch 'dev-advanced-ldap-groups':
- Refactoring: separated address book implementation from generic LDAP wrapper class
- Auto-detect and use VLV indices for all search operations
- Additional group configuration options for LDAP address books
- Allow address books to display a multi-level group hierarchy in the contacts list
Diffstat (limited to 'program/lib/Roundcube')
| -rw-r--r-- | program/lib/Roundcube/rcube_ldap.php | 982 | ||||
| -rw-r--r-- | program/lib/Roundcube/rcube_ldap_generic.php | 1059 | ||||
| -rw-r--r-- | program/lib/Roundcube/rcube_ldap_result.php | 130 |
3 files changed, 1457 insertions, 714 deletions
diff --git a/program/lib/Roundcube/rcube_ldap.php b/program/lib/Roundcube/rcube_ldap.php index 39a48b456..8877af322 100644 --- a/program/lib/Roundcube/rcube_ldap.php +++ b/program/lib/Roundcube/rcube_ldap.php @@ -3,8 +3,8 @@ /* +-----------------------------------------------------------------------+ | This file is part of the Roundcube Webmail client | - | Copyright (C) 2006-2012, The Roundcube Dev Team | - | Copyright (C) 2011-2012, Kolab Systems AG | + | Copyright (C) 2006-2013, The Roundcube Dev Team | + | Copyright (C) 2011-2013, Kolab Systems AG | | | | Licensed under the GNU General Public License version 3 or | | any later version with exceptions for skins & plugins. | @@ -36,7 +36,7 @@ class rcube_ldap extends rcube_addressbook public $coltypes = array(); /** private properties */ - protected $conn; + protected $ldap; protected $prop = array(); protected $fieldmap = array(); protected $sub_filter; @@ -51,9 +51,6 @@ class rcube_ldap extends rcube_addressbook private $group_url = null; private $cache; - private $vlv_active = false; - private $vlv_count = 0; - /** * Object constructor @@ -66,6 +63,8 @@ class rcube_ldap extends rcube_addressbook { $this->prop = $p; + $fetch_attributes = array('objectClass'); + if (isset($p['searchonly'])) $this->searchonly = $p['searchonly']; @@ -82,6 +81,12 @@ class rcube_ldap extends rcube_addressbook $this->prop['groups']['name_attr'] = 'cn'; if (empty($this->prop['groups']['scope'])) $this->prop['groups']['scope'] = 'sub'; + + // 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'])) { + $this->groups = true; } // fieldmap property is given @@ -192,6 +197,17 @@ class rcube_ldap extends rcube_addressbook $this->cache = $rcube->get_cache($cache_name, $cache_type, $cache_ttl); + // determine which attributes to fetch + $this->prop['attributes'] = array_merge(array_values($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)); + } + + // initialize ldap wrapper object + $this->ldap = new rcube_ldap_generic($this->prop, true); + $this->ldap->set_cache($this->cache); + $this->_connect(); } @@ -203,49 +219,18 @@ class rcube_ldap extends rcube_addressbook { $rcube = rcube::get_instance(); - if (!function_exists('ldap_connect')) - rcube::raise_error(array('code' => 100, 'type' => 'ldap', - 'file' => __FILE__, 'line' => __LINE__, - 'message' => "No ldap support in this installation of PHP"), - true, true); - - if (is_resource($this->conn)) + if ($this->ready) return true; if (!is_array($this->prop['hosts'])) $this->prop['hosts'] = array($this->prop['hosts']); - if (empty($this->prop['ldap_version'])) - $this->prop['ldap_version'] = 3; - // try to connect + bind for every host configured // with OpenLDAP 2.x ldap_connect() always succeeds but ldap_bind will fail if host isn't reachable // see http://www.php.net/manual/en/function.ldap-connect.php foreach ($this->prop['hosts'] as $host) { - $host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($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 = $lc; - - if (!empty($this->prop['network_timeout'])) - ldap_set_option($lc, LDAP_OPT_NETWORK_TIMEOUT, $this->prop['network_timeout']); - - if (isset($this->prop['referrals'])) - ldap_set_option($lc, LDAP_OPT_REFERRALS, $this->prop['referrals']); - } - else { - $this->_debug("S: NOT OK"); + // skip host if connection failed + if (!$this->ldap->connect($host)) { continue; } @@ -260,7 +245,7 @@ class rcube_ldap extends rcube_addressbook $this->base_dn = $this->prop['base_dn']; $this->groups_base_dn = ($this->prop['groups']['base_dn']) ? - $this->prop['groups']['base_dn'] : $this->base_dn; + $this->prop['groups']['base_dn'] : $this->base_dn; // User specific access, generate the proper values to use. if ($this->prop['user_specific']) { @@ -281,7 +266,8 @@ class rcube_ldap extends rcube_addressbook 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'], $this->prop['search_bind_pw']); + if (!$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 @@ -290,10 +276,11 @@ class rcube_ldap extends rcube_addressbook $this->_debug("S: searching with base {$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')); + // 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->conn, $res)) - && ($bind_dn = ldap_get_dn($this->conn, $entry)) + if (($entry = ldap_first_entry($this->ldap->conn, $res)) + && ($bind_dn = ldap_get_dn($this->ldap->conn, $entry)) ) { $this->_debug("S: search returned dn: $bind_dn"); $dn = ldap_explode_dn($bind_dn, 1); @@ -301,7 +288,7 @@ class rcube_ldap extends rcube_addressbook } } else { - $this->_debug("S: ".ldap_error($this->conn)); + $this->_debug("S: ".ldap_error($this->ldap->conn)); } // DN not found @@ -333,13 +320,13 @@ class rcube_ldap extends rcube_addressbook } else { if (!empty($bind_dn)) { - $this->ready = $this->bind($bind_dn, $bind_pass); + $this->ready = $this->ldap->bind($bind_dn, $bind_pass); } else if (!empty($this->prop['auth_cid'])) { - $this->ready = $this->sasl_bind($this->prop['auth_cid'], $bind_pass, $bind_user); + $this->ready = $this->ldap->sasl_bind($this->prop['auth_cid'], $bind_pass, $bind_user); } else { - $this->ready = $this->sasl_bind($bind_user, $bind_pass); + $this->ready = $this->ldap->sasl_bind($bind_user, $bind_pass); } } @@ -350,10 +337,10 @@ class rcube_ldap extends rcube_addressbook } // end foreach hosts - if (!is_resource($this->conn)) { + if (!is_resource($this->ldap->conn)) { rcube::raise_error(array('code' => 100, 'type' => 'ldap', 'file' => __FILE__, 'line' => __LINE__, - 'message' => "Could not connect to any LDAP server, last tried $hostname"), true); + 'message' => "Could not connect to any LDAP server, last tried $host"), true); return false; } @@ -363,112 +350,47 @@ class rcube_ldap extends rcube_addressbook /** - * Bind connection with (SASL-) user and password - * - * @param string $authc Authentication user - * @param string $pass Bind password - * @param string $authz Autorization user - * - * @return boolean True on success, False on error + * Close connection to LDAP server */ - public function sasl_bind($authc, $pass, $authz=null) + function close() { - if (!$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 = $this->prop['auth_method']; + if ($this->ldap) { + $this->ldap->close(); } - 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($this->conn)), - true); - - return false; } /** - * Bind connection with DN and password - * - * @param string Bind DN - * @param string Bind password + * Returns address book name * - * @return boolean True on success, False on error + * @return string Address book name */ - public function bind($dn, $pass) + function get_name() { - if (!$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; + return $this->prop['name']; } /** - * Close connection to LDAP server + * Set internal list page + * + * @param number Page number to list */ - function close() + function set_page($page) { - if ($this->conn) - { - $this->_debug("C: Close"); - ldap_unbind($this->conn); - $this->conn = null; - } + $this->list_page = (int)$page; + $this->ldap->set_vlv_page($this->list_page, $this->page_size); } - /** - * Returns address book name + * Set internal page size * - * @return string Address book name + * @param number Number of records to display on one page */ - function get_name() + function set_pagesize($size) { - return $this->prop['name']; + $this->page_size = (int)$size; + $this->ldap->set_vlv_page($this->list_page, $this->page_size); } @@ -528,16 +450,14 @@ class rcube_ldap extends rcube_addressbook */ function list_records($cols=null, $subset=0) { - if ($this->prop['searchonly'] && empty($this->filter) && !$this->group_id) - { + 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 && $this->group_data['dn']) - { + if ($this->group_id && $this->group_data['dn']) { $entries = $this->list_group_members($this->group_data['dn']); // make list of entries unique and sort it @@ -551,34 +471,34 @@ class rcube_ldap extends rcube_addressbook $entries['count'] = count($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']); + else { + $prop = $this->group_id ? $this->group_data : $this->prop; + + // use global search filter + if (!empty($this->filter)) + $prop['filter'] = $this->filter; // exec LDAP search if no result resource is stored - if ($this->conn && !$this->ldap_result) - $this->_exec_search(); + if ($this->ready && !$this->ldap_result) + $this->ldap_result = $this->ldap->search($prop['base_dn'], $prop['filter'], $prop['scope'], $this->prop['attributes'], $prop); // count contacts for this user $this->result = $this->count(); // we have a search result resource - if ($this->ldap_result && $this->result->count > 0) - { + if ($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, $this->sort_col); + if ($this->sort_col && $prop['scope'] !== 'base' && !$this->ldap->vlv_active) + $this->ldap_result->sort($this->sort_col); // get all entries from the ldap server - $entries = ldap_get_entries($this->conn, $this->ldap_result); + $entries = $this->ldap_result->entries(); } } // end else // start and end of the page - $start_row = $this->vlv_active ? 0 : $this->result->first; + $start_row = $this->ldap->vlv_active ? 0 : $this->result->first; $start_row = $subset < 0 ? $start_row + $this->page_size + $subset : $start_row; $last_row = $this->result->first + $this->page_size; $last_row = $subset != 0 ? $start_row + abs($subset) : $last_row; @@ -603,25 +523,20 @@ class rcube_ldap extends rcube_addressbook // fetch group object if (empty($entries)) { - $result = @ldap_read($this->conn, $dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL')); - if ($result === false) - { - $this->_debug("S: ".ldap_error($this->conn)); + $this->_debug("C: Read Group [dn: $dn]"); + $entries = $this->ldap->read_entries($dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL')); + if ($entries === false) { return $group_members; } - - $entries = @ldap_get_entries($this->conn, $result); } - for ($i=0; $i < $entries['count']; $i++) - { + for ($i=0; $i < $entries['count']; $i++) { $entry = $entries[$i]; if (empty($entry['objectclass'])) continue; - foreach ((array)$entry['objectclass'] as $objectclass) - { + foreach ((array)$entry['objectclass'] as $objectclass) { switch (strtolower($objectclass)) { case "group": case "groupofnames": @@ -662,24 +577,19 @@ class rcube_ldap extends rcube_addressbook return $group_members; // read these attributes for all members - $attrib = $count ? array('dn') : array_values($this->fieldmap); - $attrib[] = 'objectClass'; + $attrib = $count ? array('dn','objectClass') : $this->prop['list_attributes']; $attrib[] = 'member'; $attrib[] = 'uniqueMember'; $attrib[] = 'memberURL'; - for ($i=0; $i < $entry[$attr]['count']; $i++) - { + $filter = $this->prop['groups']['member_filter'] ? $this->prop['groups']['member_filter'] : '(objectclass=*)'; + + for ($i=0; $i < $entry[$attr]['count']; $i++) { if (empty($entry[$attr][$i])) continue; - $result = @ldap_read($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 = $this->ldap->read_entries($entry[$attr][$i], $filter, $attrib); + if ($members == false) { $members = array(); } @@ -705,34 +615,22 @@ class rcube_ldap extends rcube_addressbook { $group_members = array(); - for ($i=0; $i < $entry['memberurl']['count']; $i++) - { + for ($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]; + $attrs = $count ? array('dn','objectClass') : $this->prop['list_attributes']; + if ($result = $this->ldap->search($m[1], $filter, $m[2], $attrs, $this->group_data)) { + $entries = $result->entries(); + for ($j = 0; $j < $entries['count']; $j++) { + if (self::is_group_entry($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]; + } } } @@ -768,14 +666,11 @@ class rcube_ldap extends rcube_addressbook $mode = intval($mode); // special treatment for ID-based search - if ($fields == 'ID' || $fields == $this->primary_key) - { + if ($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)) - { + foreach ($ids as $id) { + if ($rec = $this->get_record($id, true)) { $result->add($rec); $result->count++; } @@ -787,34 +682,20 @@ class rcube_ldap extends rcube_addressbook $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']); - + if ($this->prop['vlv_search'] && $this->ready && join(',', (array)$fields) == join(',', $list_fields)) { $this->result = new rcube_result_set(0); - if (!$this->ldap_result) { - $this->_debug("S: ".ldap_error($this->conn)); + $search_suffix = $this->prop['fuzzy_search'] && $mode != 1 ? '*' : ''; + $ldap_data = $this->ldap->search($this->base_dn, $this->prop['filter'], $this->prop['scope'], $this->prop['attributes'], + array('search' => $value . $search_suffix /*, 'sort' => $this->prop['sort'] */)); + if ($ldap_data === false) { return $this->result; } - $this->_debug("S: ".ldap_count_entries($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]); + $search = mb_strtolower($value); + foreach ($ldap_data as $i => $entry) { + $rec = $this->_ldap2result($entry); foreach ($fields as $f) { foreach ((array)$rec[$f] as $val) { if ($this->compare_search_value($f, $val, $search, $mode)) { @@ -840,31 +721,27 @@ class rcube_ldap extends rcube_addressbook } } - if ($fields == '*') - { + if ($fields == '*') { // search_fields are required for fulltext search - if (empty($this->prop['search_fields'])) - { + 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'])) - { + if (is_array($this->prop['search_fields'])) { foreach ($this->prop['search_fields'] as $field) { - $filter .= "($field=$wp" . $this->_quote_string($value) . "$ws)"; + $filter .= "($field=$wp" . self::_quote_string($value) . "$ws)"; } } } - else - { + else { foreach ((array)$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)"; + $filter .= "($f=$wp" . self::_quote_string($val) . "$ws)"; if (count($attrs) > 1) $filter .= ')'; } @@ -897,7 +774,6 @@ class rcube_ldap extends rcube_addressbook // set filter string and execute search $this->set_search_set($filter); - $this->_exec_search(); if ($select) $this->list_records(); @@ -916,20 +792,21 @@ class rcube_ldap extends rcube_addressbook function count() { $count = 0; - if ($this->conn && $this->ldap_result) { - $count = $this->vlv_active ? $this->vlv_count : ldap_count_entries($this->conn, $this->ldap_result); + if ($this->ldap_result) { + $count = $this->ldap_result->count(); } else if ($this->group_id && $this->group_data['dn']) { $count = count($this->list_group_members($this->group_data['dn'], true)); } - else if ($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 = $this->prop['filter']; + // We have a connection but no result set, attempt to get one. + else if ($this->ready) { + $prop = $this->group_id ? $this->group_data : $this->prop; + + if (!empty($this->filter)) { // Use global search filter + $prop['filter'] = $this->filter; } - $count = (int) $this->_exec_search(true); + $count = $this->ldap->search($prop['base_dn'], $prop['filter'], $prop['scope'], array('dn'), $prop, true); } return new rcube_result_set($count, ($this->list_page-1) * $this->page_size); @@ -959,28 +836,16 @@ class rcube_ldap extends rcube_addressbook { $res = $this->result = null; - if ($this->conn && $dn) - { + if ($this->ready && $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)); + if ($rec = $this->ldap->get_entry($dn)) { + $rec = array_change_key_case($rec, CASE_LOWER); } // Use ldap_list to get subentries like country (c) attribute (#1488123) if (!empty($rec) && $this->sub_filter) { - if ($entries = $this->ldap_list($dn, $this->sub_filter, array_keys($this->prop['sub_fields']))) { + if ($entries = $this->ldap->list_entries($dn, $this->sub_filter, array_keys($this->prop['sub_fields']))) { foreach ($entries as $entry) { $lrec = array_change_key_case($entry, CASE_LOWER); $rec = array_merge($lrec, $rec); @@ -992,7 +857,7 @@ class rcube_ldap extends rcube_addressbook // Add in the dn for the entry. $rec['dn'] = $dn; $res = $this->_ldap2result($rec); - $this->result = new rcube_result_set(); + $this->result = new rcube_result_set(1); $this->result->add($res); } } @@ -1105,7 +970,7 @@ class rcube_ldap extends rcube_addressbook } // Build the new entries DN. - $dn = $this->prop['LDAP_rdn'].'='.$this->_quote_string($newentry[$this->prop['LDAP_rdn']], true).','.$this->base_dn; + $dn = $this->prop['LDAP_rdn'].'='.self::_quote_string($newentry[$this->prop['LDAP_rdn']], true).','.$this->base_dn; // Remove attributes that need to be added separately (child objects) $xfields = array(); @@ -1118,19 +983,19 @@ class rcube_ldap extends rcube_addressbook } } - if (!$this->ldap_add($dn, $newentry)) { + if (!$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; + $xdn = $xidx.'='.self::_quote_string($xf).','.$dn; $xf = array( $xidx => $xf, 'objectClass' => (array) $this->prop['sub_fields'][$xidx], ); - $this->ldap_add($xdn, $xf); + $this->ldap->add($xdn, $xf); } $dn = self::dn_encode($dn); @@ -1236,7 +1101,7 @@ class rcube_ldap extends rcube_addressbook // Update the entry as required. if (!empty($deletedata)) { // Delete the fields. - if (!$this->ldap_mod_del($dn, $deletedata)) { + if (!$this->ldap->mod_del($dn, $deletedata)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return false; } @@ -1246,17 +1111,17 @@ class rcube_ldap extends rcube_addressbook // Handle RDN change if ($replacedata[$this->prop['LDAP_rdn']]) { $newdn = $this->prop['LDAP_rdn'].'=' - .$this->_quote_string($replacedata[$this->prop['LDAP_rdn']], true) + .self::_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); + .self::_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, $replacedata)) { + if (!$this->ldap->mod_replace($dn, $replacedata)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return false; } @@ -1272,8 +1137,8 @@ class rcube_ldap extends rcube_addressbook // remove sub-entries if (!empty($subdeldata)) { foreach ($subdeldata as $fld => $val) { - $subdn = $fld.'='.$this->_quote_string($val).','.$dn; - if (!$this->ldap_delete($subdn)) { + $subdn = $fld.'='.self::_quote_string($val).','.$dn; + if (!$this->ldap->delete($subdn)) { return false; } } @@ -1281,7 +1146,7 @@ class rcube_ldap extends rcube_addressbook if (!empty($newdata)) { // Add the fields. - if (!$this->ldap_mod_add($dn, $newdata)) { + if (!$this->ldap->mod_add($dn, $newdata)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return false; } @@ -1289,7 +1154,7 @@ class rcube_ldap extends rcube_addressbook // Handle RDN change if (!empty($newrdn)) { - if (!$this->ldap_rename($dn, $newrdn, null, true)) { + if (!$this->ldap->rename($dn, $newrdn, null, true)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return false; } @@ -1300,7 +1165,7 @@ class rcube_ldap extends rcube_addressbook // change the group membership of the contact if ($this->groups) { $group_ids = $this->get_record_groups($dn); - foreach ($group_ids as $group_id) + foreach ($group_ids as $group_id => $group_prop) { $this->remove_from_group($group_id, $dn); $this->add_to_group($group_id, $newdn); @@ -1313,12 +1178,12 @@ class rcube_ldap extends rcube_addressbook // add sub-entries if (!empty($subnewdata)) { foreach ($subnewdata as $fld => $val) { - $subdn = $fld.'='.$this->_quote_string($val).','.$dn; + $subdn = $fld.'='.self::_quote_string($val).','.$dn; $xf = array( $fld => $val, 'objectClass' => (array) $this->prop['sub_fields'][$fld], ); - $this->ldap_add($subdn, $xf); + $this->ldap->add($subdn, $xf); } } @@ -1346,9 +1211,9 @@ class rcube_ldap extends rcube_addressbook // Need to delete all sub-entries first if ($this->sub_filter) { - if ($entries = $this->ldap_list($dn, $this->sub_filter)) { + if ($entries = $this->ldap->list_entries($dn, $this->sub_filter)) { foreach ($entries as $entry) { - if (!$this->ldap_delete($entry['dn'])) { + if (!$this->ldap->delete($entry['dn'])) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return false; } @@ -1357,7 +1222,7 @@ class rcube_ldap extends rcube_addressbook } // Delete the record. - if (!$this->ldap_delete($dn)) { + if (!$this->ldap->delete($dn)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return false; } @@ -1366,7 +1231,7 @@ class rcube_ldap extends rcube_addressbook if ($this->groups) { $dn = self::dn_encode($dn); $group_ids = $this->get_record_groups($dn); - foreach ($group_ids as $group_id) { + foreach ($group_ids as $group_id => $group_prop) { $this->remove_from_group($group_id, $dn); } } @@ -1381,8 +1246,8 @@ class rcube_ldap extends rcube_addressbook */ function delete_all() { - //searching for contact entries - $dn_list = $this->ldap_list($this->base_dn, $this->prop['filter'] ? $this->prop['filter'] : '(objectclass=*)'); + // searching for contact entries + $dn_list = $this->ldap->list_entries($this->base_dn, $this->prop['filter'] ? $this->prop['filter'] : '(objectclass=*)'); if (!empty($dn_list)) { foreach ($dn_list as $idx => $entry) { @@ -1432,120 +1297,26 @@ class rcube_ldap extends rcube_addressbook } } - /** - * Execute the LDAP search based on the stored credentials - */ - private function _exec_search($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) - && $serverctrls // can be null e.g. in case of adm. limit error - ) { - ldap_parse_virtuallist_control($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(); + $out = array('_type' => 'person'); + $fieldmap = $this->fieldmap; if ($rec['dn']) $out[$this->primary_key] = self::dn_encode($rec['dn']); - foreach ($this->fieldmap as $rf => $lf) + // determine record type + if (self::is_group_entry($rec)) { + $out['_type'] = 'group'; + $out['readonly'] = true; + $fieldmap['name'] = $this->prop['groups']['name_attr']; + } + + foreach ($fieldmap as $rf => $lf) { for ($i=0; $i < $rec[$lf]['count']; $i++) { if (!($value = $rec[$lf][$i])) @@ -1607,8 +1378,10 @@ class rcube_ldap extends rcube_addressbook if (is_array($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'], $val['country'])); + foreach ((array)$save_cols[$key] as $i => $val) { + $values = array($val['street'], $val['locality'], $val['zipcode'], $val['country']); + $save_cols[$key][$i] = count(array_filter($values)) ? join($delim, $values) : null; + } } } } @@ -1659,6 +1432,16 @@ class rcube_ldap extends rcube_addressbook return (isset($aliases[$name]) ? $aliases[$name] : $name) . $suffix; } + /** + * Determines whether the given LDAP entry is a group record + */ + private static function is_group_entry($entry) + { + return array_intersect( + array('group', 'groupofnames', 'kolabgroupofnames', 'groupofuniquenames','kolabgroupofuniquenames','groupofurls'), + array_map('strtolower', (array)$entry['objectclass']) + ); + } /** * Prints debug info to the log @@ -1710,20 +1493,14 @@ class rcube_ldap extends rcube_addressbook /** * Setter for the current group - * (empty, has to be re-implemented by extending class) */ function set_group($group_id) { - if ($group_id) - { - if (($group_cache = $this->cache->get('groups')) === null) - $group_cache = $this->_fetch_groups(); - + if ($group_id) { $this->group_id = $group_id; - $this->group_data = $group_cache[$group_id]; + $this->group_data = $this->get_group_entry($group_id); } - else - { + else { $this->group_id = 0; $this->group_data = null; } @@ -1769,6 +1546,23 @@ class rcube_ldap extends rcube_addressbook */ private function _fetch_groups($vlv_page = 0) { + // special case: list groups from 'group_filters' config + if (!empty($this->prop['group_filters'])) { + $groups = array(); + + // list regular groups configuration as special filter + if (!empty($this->prop['groups']['filter'])) { + $id = '__groups__'; + $groups[$id] = array('ID' => $id, 'name' => rcube_label('groups'), 'virtual' => true) + $this->prop['groups']; + } + + foreach ($this->prop['group_filters'] as $id => $prop) { + $groups[$id] = $prop + array('ID' => $id, 'name' => ucfirst($id), 'virtual' => true, 'base_dn' => $this->base_dn); + } + + return $groups; + } + $base_dn = $this->groups_base_dn; $filter = $this->prop['groups']['filter']; $name_attr = $this->prop['groups']['name_attr']; @@ -1776,46 +1570,46 @@ class rcube_ldap extends rcube_addressbook $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]"); + $ldap = $this->ldap; // use vlv to list groups if ($this->prop['groups']['vlv']) { $page_size = 200; if (!$this->prop['groups']['sort']) $this->prop['groups']['sort'] = $sort_attrs; - $vlv_active = $this->_vlv_set_controls($this->prop['groups'], $vlv_page+1, $page_size); + + $ldap = clone $this->ldap; + $ldap->set_config($this->prop['groups']); + $ldap->set_vlv_page($vlv_page+1, $page_size); } - $function = $this->_scope2func($this->prop['groups']['scope']); - $res = @$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)); + $attrs = array_unique(array('dn', 'objectClass', $name_attr, $email_attr, $sort_attr)); + $ldap_data = $ldap->search($base_dn, $filter, $this->prop['groups']['scope'], $attrs, $this->prop['groups']); + if ($ldap_data === false) { 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); + $group_count = $ldap_data->count(); + foreach ($ldap_data as $entry) { + if (!$entry['dn']) // DN is mandatory + $entry['dn'] = $ldap_data->get_dn(); + + $group_name = is_array($entry[$name_attr]) ? $entry[$name_attr][0] : $entry[$name_attr]; + $group_id = self::dn_encode($entry['dn']); $groups[$group_id]['ID'] = $group_id; - $groups[$group_id]['dn'] = $ldap_data[$i]['dn']; + $groups[$group_id]['dn'] = $entry['dn']; $groups[$group_id]['name'] = $group_name; - $groups[$group_id]['member_attr'] = $this->get_group_member_attr($ldap_data[$i]['objectclass']); + $groups[$group_id]['member_attr'] = $this->get_group_member_attr($entry['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]; + for ($j=0; $entry[$email_attr] && $j < $entry[$email_attr]['count']; $j++) { + if (strpos($entry[$email_attr][$j], '@') > 0) + $groups[$group_id]['email'][] = $entry[$email_attr][$j]; } - $group_sortnames[] = mb_strtolower($ldap_data[$i][$sort_attr][0]); + $group_sortnames[] = mb_strtolower($entry[$sort_attr][0]); } // recursive call can exit here @@ -1823,8 +1617,7 @@ class rcube_ldap extends rcube_addressbook return $groups; // call recursively until we have fetched all groups - while ($vlv_active && $group_count == $page_size) - { + while ($this->prop['groups']['vlv'] && $group_count == $page_size) { $next_page = $this->_fetch_groups(++$vlv_page); $groups = array_merge($groups, $next_page); $group_count = count($next_page); @@ -1841,6 +1634,38 @@ class rcube_ldap extends rcube_addressbook } /** + * Fetch a group entry from LDAP and save in local cache + */ + private function get_group_entry($group_id) + { + if (($group_cache = $this->cache->get('groups')) === null) + $group_cache = $this->_fetch_groups(); + + // add group record to cache if it isn't yet there + if (!isset($group_cache[$group_id])) { + $name_attr = $this->prop['groups']['name_attr']; + $dn = self::dn_decode($group_id); + + $this->_debug("C: Read Group [dn: $dn]"); + if ($list = $this->ldap->read_entries($dn, '(objectClass=*)', array('dn','objectClass','member','uniqueMember','memberURL',$name_attr,$this->fieldmap['email']))) { + $entry = $list[0]; + $group_name = is_array($entry[$name_attr]) ? $entry[$name_attr][0] : $entry[$name_attr]; + $group_cache[$group_id]['ID'] = $group_id; + $group_cache[$group_id]['dn'] = $dn; + $group_cache[$group_id]['name'] = $group_name; + $group_cache[$group_id]['member_attr'] = $this->get_group_member_attr($entry['objectclass']); + } + else { + $group_cache[$group_id] = false; + } + + $this->cache->set('groups', $group_cache); + } + + return $group_cache[$group_id]; + } + + /** * Get group properties such as name and email address(es) * * @param string Group identifier @@ -1848,10 +1673,7 @@ class rcube_ldap extends rcube_addressbook */ function get_group($group_id) { - if (($group_cache = $this->cache->get('groups')) === null) - $group_cache = $this->_fetch_groups(); - - $group_data = $group_cache[$group_id]; + $group_data = $this->get_group_entry($group_id); unset($group_data['dn'], $group_data['member_attr']); return $group_data; @@ -1865,9 +1687,8 @@ class rcube_ldap extends rcube_addressbook */ function create_group($group_name) { - $base_dn = $this->groups_base_dn; - $new_dn = "cn=$group_name,$base_dn"; - $new_gid = self::dn_encode($group_name); + $new_dn = 'cn=' . self::_quote_string($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'; @@ -1877,7 +1698,7 @@ class rcube_ldap extends rcube_addressbook $member_attr => '', ); - if (!$this->ldap_add($new_dn, $new_entry)) { + if (!$this->ldap->add($new_dn, $new_entry)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return false; } @@ -1898,16 +1719,15 @@ class rcube_ldap extends rcube_addressbook if (($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"; + $del_dn = $group_cache[$group_id]['dn']; - if (!$this->ldap_delete($del_dn)) { + if (!$this->ldap->delete($del_dn)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return false; } - $this->cache->remove('groups'); + unset($group_cache[$group_id]); + $this->cache->set('groups', $group_cache); return true; } @@ -1925,13 +1745,11 @@ class rcube_ldap extends rcube_addressbook if (($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); + $old_dn = $group_cache[$group_id]['dn']; + $new_rdn = "cn=" . self::_quote_string($new_name, true); + $new_gid = self::dn_encode($new_rdn . ',' . $this->groups_base_dn); - if (!$this->ldap_rename($old_dn, $new_rdn, null, true)) { + if (!$this->ldap->rename($old_dn, $new_rdn, null, true)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return false; } @@ -1957,16 +1775,14 @@ class rcube_ldap extends rcube_addressbook if (!is_array($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"; + $group_dn = $group_cache[$group_id]['dn']; $new_attrs = array(); foreach ($contact_ids as $id) $new_attrs[$member_attr][] = self::dn_decode($id); - if (!$this->ldap_mod_add($group_dn, $new_attrs)) { + if (!$this->ldap->mod_add($group_dn, $new_attrs)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return 0; } @@ -1992,16 +1808,14 @@ class rcube_ldap extends rcube_addressbook if (!is_array($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"; - $del_attrs = array(); + $group_dn = $group_cache[$group_id]['dn']; + $del_attrs = array(); foreach ($contact_ids as $id) $del_attrs[$member_attr][] = self::dn_decode($id); - if (!$this->ldap_mod_del($group_dn, $del_attrs)) { + if (!$this->ldap->mod_del($group_dn, $del_attrs)) { $this->set_error(self::ERROR_SAVING, 'errorsaving'); return 0; } @@ -2033,23 +1847,18 @@ class rcube_ldap extends rcube_addressbook $add_filter = "($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)); + $ldap_data = $this->ldap->search($base_dn, $filter, 'sub', array('dn', $name_attr)); + if ($res === false) { 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] = $group_id; + foreach ($ldap_data as $entry) { + if (!$entry['dn']) + $entry['dn'] = $ldap_data->get_dn(); + $group_name = $entry[$name_attr][0]; + $group_id = self::dn_encode($entry['dn']); + $groups[$group_id] = array('ID' => $group_id, 'name' => $group_name, 'dn' => $entry['dn']); } return $groups; } @@ -2092,135 +1901,6 @@ class rcube_ldap extends rcube_addressbook /** - * Generate BER encoded string for Virtual List View option - * - * @param integer List offset (first record) - * @param integer Records per page - * @return string BER encoded option value - */ - private function _vlv_ber_encode($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 $str DN string @@ -2247,130 +1927,4 @@ class rcube_ldap extends rcube_addressbook return base64_decode($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; - } - } diff --git a/program/lib/Roundcube/rcube_ldap_generic.php b/program/lib/Roundcube/rcube_ldap_generic.php new file mode 100644 index 000000000..86c3607a0 --- /dev/null +++ b/program/lib/Roundcube/rcube_ldap_generic.php @@ -0,0 +1,1059 @@ +<?php + +/* + +-----------------------------------------------------------------------+ + | Roundcube/rcube_ldap_generic.php | + | | + | This file is part of the Roundcube Webmail client | + | Copyright (C) 2006-2013, The Roundcube Dev Team | + | Copyright (C) 2012-2013, Kolab Systems AG | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | + | | + | PURPOSE: | + | Provide basic functionality for accessing LDAP directories | + | | + +-----------------------------------------------------------------------+ + | Author: Thomas Bruederli <roundcube@gmail.com> | + | Aleksander Machniak <machniak@kolabsys.com> | + +-----------------------------------------------------------------------+ +*/ + + +/* + LDAP connection properties + -------------------------- + + $prop = array( + 'host' => '<ldap-server-address>', + // or + 'hosts' => array('directory.verisign.com'), + 'port' => 389, + 'use_tls' => true|false, + 'ldap_version' => 3, // using LDAPv3 + 'auth_method' => '', // SASL authentication method (for proxy auth), e.g. DIGEST-MD5 + 'attributes' => array('dn'), // List of attributes to read from the server + 'vlv' => false, // Enable Virtual List View to more efficiently fetch paginated data (if server supports it) + 'config_root_dn' => 'cn=config', // Root DN to read config (e.g. vlv indexes) from + 'numsub_filter' => '(objectClass=organizationalUnit)', // with VLV, we also use numSubOrdinates to query the total number of records. Set this filter to get all numSubOrdinates attributes for counting + 'sizelimit' => '0', // Enables you to limit the count of entries fetched. Setting this to 0 means no limit. + 'timelimit' => '0', // Sets the number of seconds how long is spend on the search. Setting this to 0 means no limit. + 'network_timeout' => 10, // The timeout (in seconds) for connect + bind arrempts. This is only supported in PHP >= 5.3.0 with OpenLDAP 2.x + 'referrals' => true|false, // Sets the LDAP_OPT_REFERRALS option. Mostly used in multi-domain Active Directory setups + ); +*/ + +/** + * Model class to access an LDAP directories + * + * @package Framework + * @subpackage LDAP + */ +class rcube_ldap_generic +{ + const UPDATE_MOD_ADD = 1; + const UPDATE_MOD_DELETE = 2; + const UPDATE_MOD_REPLACE = 4; + const UPDATE_MOD_FULL = 7; + + public $conn; + public $vlv_active = false; + + /** private properties */ + protected $cache = null; + protected $config = array(); + protected $attributes = array('dn'); + protected $entries = null; + protected $result = null; + protected $debug = false; + protected $list_page = 1; + protected $page_size = 10; + protected $vlv_config = null; + + + /** + * Object constructor + * + * @param array $p LDAP connection properties + * @param boolean $debug Enables debug mode + */ + function __construct($p, $debug = false) + { + $this->config = $p; + + if (is_array($p['attributes'])) + $this->attributes = $p['attributes']; + + if (!is_array($p['hosts']) && !empty($p['host'])) + $this->config['hosts'] = array($p['host']); + + $this->debug = $debug; + } + + /** + * Activate/deactivate debug mode + * + * @param boolean $dbg True if LDAP commands should be logged + */ + public function set_debug($dbg = true) + { + $this->debug = $dbg; + } + + /** + * Set connection options + * + * @param mixed $opt Option name as string or hash array with multiple options + * @param mixed $val Option value + */ + public function set_config($opt, $val = null) + { + if (is_array($opt)) + $this->config = array_merge($this->config, $opt); + else + $this->config[$opt] = $value; + } + + /** + * Enable caching by passing an instance of rcube_cache to be used by this object + * + * @param object rcube_cache Instance or False to disable caching + */ + public function set_cache($cache_engine) + { + $this->cache = $cache_engine; + } + + /** + * Set properties for VLV-based paging + * + * @param number $page Page number to list (starting at 1) + * @param number $size Number of entries to display on one page + */ + public function set_vlv_page($page, $size = 10) + { + $this->list_page = $page; + $this->page_size = $size; + } + + + /** + * Establish a connection to the LDAP server + */ + public function connect($host = null) + { + 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); + return false; + } + + if (is_resource($this->conn) && $this->config['host'] == $host) + return true; + + if (empty($this->config['ldap_version'])) + $this->config['ldap_version'] = 3; + + // iterate over hosts if none specified + if (!$host) { + if (!is_array($this->config['hosts'])) + $this->config['hosts'] = array($this->config['hosts']); + + foreach ($this->config['hosts'] as $host) { + if ($this->connect($host)) { + return true; + } + } + + return false; + } + + // open connection to the given $host + $host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host)); + $hostname = $host . ($this->config['port'] ? ':'.$this->config['port'] : ''); + + $this->_debug("C: Connect [$hostname] [{$this->config['name']}]"); + + if ($lc = @ldap_connect($host, $this->config['port'])) { + if ($this->config['use_tls'] === true) + if (!ldap_start_tls($lc)) + continue; + + $this->_debug("S: OK"); + + ldap_set_option($lc, LDAP_OPT_PROTOCOL_VERSION, $this->config['ldap_version']); + $this->config['host'] = $host; + $this->conn = $lc; + + if (!empty($this->config['network_timeout'])) + ldap_set_option($lc, LDAP_OPT_NETWORK_TIMEOUT, $this->config['network_timeout']); + + if (isset($this->config['referrals'])) + ldap_set_option($lc, LDAP_OPT_REFERRALS, $this->config['referrals']); + } + else { + $this->_debug("S: NOT OK"); + } + + if (!is_resource($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; + } + + return true; + } + + + /** + * 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); + return false; + } + + if (!empty($authz)) { + $authz = 'u:' . $authz; + } + + if (!empty($this->config['auth_method'])) { + $method = $this->config['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($this->conn), 'type' => 'ldap', + 'file' => __FILE__, 'line' => __LINE__, + 'message' => "SASL Bind failed for authcid=$authc ".ldap_error($this->conn)), + true); + return false; + } + + + /** + * Bind connection with DN and password + * + * @param string $dn Bind DN + * @param string $pass Bind password + * + * @return boolean True on success, False on error + */ + public function bind($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($this->conn)), + true); + + return false; + } + + + /** + * Close connection to LDAP server + */ + public function close() + { + if ($this->conn) { + $this->_debug("C: Close"); + ldap_unbind($this->conn); + $this->conn = null; + } + } + + + /** + * Return the last result set + * + * @return object rcube_ldap_result Result object + */ + function get_result() + { + return $this->result; + } + + + /** + * Get a specific LDAP entry, identified by its DN + * + * @param string $dn Record identifier + * @return array Hash array + */ + function get_entry($dn) + { + $rec = null; + + if ($this->conn && $dn) { + $this->_debug("C: Read [dn: $dn] [(objectclass=*)]"); + + if ($ldap_result = @ldap_read($this->conn, $dn, '(objectclass=*)', $this->attributes)) { + $this->_debug("S: OK"); + + if ($entry = ldap_first_entry($this->conn, $ldap_result)) { + $rec = ldap_get_attributes($this->conn, $entry); + } + } + else { + $this->_debug("S: ".ldap_error($this->conn)); + } + + if (!empty($rec)) { + $rec['dn'] = $dn; // Add in the dn for the entry. + } + } + + return $rec; + } + + + /** + * Execute the LDAP search based on the stored credentials + * + * @param string $base_dn The base DN to query + * @param string $filter The LDAP filter for search + * @param string $scope The LDAP scope (list|sub|base) + * @param array $attrs List of entry attributes to read + * @param array $prop Hash array with query configuration properties: + * - sort: array of sort attributes (has to be in sync with the VLV index) + * - search: search string used for VLV controls + * @param boolean $count_only Set to true if only entry count is requested + * + * @return mixed rcube_ldap_result object or number of entries (if count_only=true) or false on error + */ + public function search($base_dn, $filter = '', $scope = 'sub', $attrs = array('dn'), $prop = array(), $count_only = false) + { + if ($this->conn) { + if (empty($filter)) + $filter = $filter = '(objectclass=*)'; + + $this->_debug("C: Search [$filter][dn: $base_dn]"); + + $function = self::scope2func($scope, $ns_function); + + // find available VLV index for this query + if (!$count_only && ($vlv_sort = $this->_find_vlv($base_dn, $filter, $scope, $prop['sort']))) { + // when using VLV, we get the total count by... + // ...either reading numSubOrdinates attribute + if ($this->config['numsub_filter'] && ($result_count = @$ns_function($this->conn, $base_dn, $this->config['numsub_filter'], array('numSubOrdinates'), 0, 0, 0))) { + $counts = ldap_get_entries($this->conn, $result_count); + for ($vlv_count = $j = 0; $j < $counts['count']; $j++) + $vlv_count += $counts[$j]['numsubordinates'][0]; + $this->_debug("D: total numsubordinates = " . $vlv_count); + } + // ...or by fetching all records dn and count them + else if (!function_exists('ldap_parse_virtuallist_control')) { + $vlv_count = $this->search($base_dn, $filter, $scope, array('dn'), $prop, true); + } + + $this->vlv_active = $this->_vlv_set_controls($vlv_sort, $this->list_page, $this->page_size, $prop['search']); + } + else { + $this->vlv_active = false; + } + + // only fetch dn for count (should keep the payload low) + if ($ldap_result = $function($this->conn, $base_dn, $filter, + $attrs, 0, (int)$this->config['sizelimit'], (int)$this->config['timelimit']) + ) { + // when running on a patched PHP we can use the extended functions to retrieve the total count from the LDAP search result + if ($this->vlv_active && function_exists('ldap_parse_virtuallist_control')) { + if (ldap_parse_result($this->conn, $ldap_result, $errcode, $matcheddn, $errmsg, $referrals, $serverctrls)) { + ldap_parse_virtuallist_control($this->conn, $serverctrls, $last_offset, $vlv_count, $vresult); + $this->_debug("S: VLV result: last_offset=$last_offset; content_count=$vlv_count"); + } + else { + $this->_debug("S: ".($errmsg ? $errmsg : ldap_error($this->conn))); + } + } + else if ($this->debug) { + $this->_debug("S: ".ldap_count_entries($this->conn, $ldap_result)." record(s) found"); + } + + $this->result = new rcube_ldap_result($this->conn, $ldap_result, $base_dn, $filter, $vlv_count); + + return $count_only ? $this->result->count() : $this->result; + } + else { + $this->_debug("S: ".ldap_error($this->conn)); + } + } + + return false; + } + + + /** + * Modify an LDAP entry on the server + * + * @param string $dn Entry DN + * @param array $params Hash array of entry attributes + * @param int $mode Update mode (UPDATE_MOD_ADD | UPDATE_MOD_DELETE | UPDATE_MOD_REPLACE) + */ + public function modify($dn, $parms, $mode = 255) + { + // TODO: implement this + + return false; + } + + /** + * Wrapper for ldap_add() + * + * @see ldap_add() + */ + public function add($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; + } + + $this->_debug("S: OK"); + return true; + } + + /** + * Wrapper for ldap_delete() + * + * @see ldap_delete() + */ + public function delete($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; + } + + $this->_debug("S: OK"); + return true; + } + + /** + * Wrapper for ldap_mod_replace() + * + * @see ldap_mod_replace() + */ + public function mod_replace($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; + } + + $this->_debug("S: OK"); + return true; + } + + /** + * Wrapper for ldap_mod_add() + * + * @see ldap_mod_add() + */ + public function mod_add($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; + } + + $this->_debug("S: OK"); + return true; + } + + /** + * Wrapper for ldap_mod_del() + * + * @see ldap_mod_del() + */ + public function mod_del($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; + } + + $this->_debug("S: OK"); + return true; + } + + /** + * Wrapper for ldap_rename() + * + * @see ldap_rename() + */ + public function rename($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; + } + + $this->_debug("S: OK"); + return true; + } + + /** + * Wrapper for ldap_list() + ldap_get_entries() + * + * @see ldap_list() + * @see ldap_get_entries() + */ + public function list_entries($dn, $filter, $attributes = array('dn')) + { + $list = array(); + $this->_debug("C: List [dn: $dn] [{$filter}]"); + + if ($result = ldap_list($this->conn, $dn, $filter, $attributes)) { + $list = ldap_get_entries($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 $list; + } + + /** + * Wrapper for ldap_read() + ldap_get_entries() + * + * @see ldap_read() + * @see ldap_get_entries() + */ + public function read_entries($dn, $filter, $attributes = null) + { + $this->_debug("C: Read [dn: $dn] [{$filter}]"); + + if ($this->conn && $dn) { + if (!$attributes) + $attributes = $this->attributes; + + $result = @ldap_read($this->conn, $dn, $filter, $attributes, 0, (int)$this->config['sizelimit'], (int)$this->config['timelimit']); + if ($result === false) { + $this->_debug("S: ".ldap_error($this->conn)); + return false; + } + + $this->_debug("S: OK"); + return ldap_get_entries($this->conn, $result); + } + + return false; + } + + + /** + * Choose the right PHP function according to scope property + * + * @param string $scope The LDAP scope (sub|base|list) + * @param string $ns_function Function to be used for numSubOrdinates queries + * @return string PHP function to be used to query directory + */ + public static function scope2func($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 $function; + } + + /** + * Convert the given scope integer value to a string representation + */ + public static function scopeint2str($scope) + { + switch ($scope) { + case 2: return 'sub'; + case 1: return 'one'; + case 0: return 'base'; + default: $this->_debug("Scope $scope is not a valid scope integer"); + } + + return ''; + } + + /** + * Escapes the given value according to RFC 2254 so that it can be safely used in LDAP filters. + * + * @param string $val Value to quote + * @return string The escaped value + */ + public static function escape_value($val) + { + return strtr($str, array('*'=>'\2a', '('=>'\28', ')'=>'\29', + '\\'=>'\5c', '/'=>'\2f')); + } + + /** + * Escapes a DN value according to RFC 2253 + * + * @param string $dn DN value o quote + * @return string The escaped value + */ + public static function escape_dn($dn) + { + return strtr($str, array(','=>'\2c', '='=>'\3d', '+'=>'\2b', + '<'=>'\3c', '>'=>'\3e', ';'=>'\3b', '\\'=>'\5c', + '"'=>'\22', '#'=>'\23')); + } + + /** + * Normalize a LDAP result by converting entry attributes arrays into single values + * + * @param array $result LDAP result set fetched with ldap_get_entries() + * @return array Hash array with normalized entries, indexed by their DNs + */ + public static function normalize_result($result) + { + if (!is_array($result)) { + return array(); + } + + $entries = array(); + for ($i = 0; $i < $result['count']; $i++) { + $key = $result[$i]['dn'] ? $result[$i]['dn'] : $i; + $entries[$key] = self::normalize_entry($result[$i]); + } + + return $entries; + } + + /** + * Turn an LDAP entry into a regular PHP array with attributes as keys. + * + * @param array $entry Attributes array as retrieved from ldap_get_attributes() or ldap_get_entries() + * @return array Hash array with attributes as keys + */ + public static function normalize_entry($entry) + { + $rec = array(); + for ($i=0; $i < $entry['count']; $i++) { + $attr = $entry[$i]; + if ($entry[$attr]['count'] == 1) { + switch ($attr) { + case 'objectclass': + $rec[$attr] = array(strtolower($entry[$attr][0])); + break; + default: + $rec[$attr] = $entry[$attr][0]; + break; + } + } + else { + for ($j=0; $j < $entry[$attr]['count']; $j++) { + $rec[$attr][$j] = $entry[$attr][$j]; + } + } + } + + return $rec; + } + + /** + * Set server controls for Virtual List View (paginated listing) + */ + private function _vlv_set_controls($sort, $list_page, $page_size, $search = null) + { + $sort_ctrl = array('oid' => "1.2.840.113556.1.4.473", 'value' => self::_sort_ber_encode((array)$sort)); + $vlv_ctrl = array('oid' => "2.16.840.1.113730.3.4.9", 'value' => self::_vlv_ber_encode(($offset = ($list_page-1) * $page_size + 1), $page_size, $search), 'iscritical' => true); + + $this->_debug("C: set controls sort=" . join(' ', unpack('H'.(strlen($sort_ctrl['value'])*2), $sort_ctrl['value'])) . " ($sort[0]);" + . " vlv=" . join(' ', (unpack('H'.(strlen($vlv_ctrl['value'])*2), $vlv_ctrl['value']))) . " ($offset/$page_size; $search)"); + + if (!ldap_set_option($this->conn, LDAP_OPT_SERVER_CONTROLS, array($sort_ctrl, $vlv_ctrl))) { + $this->_debug("S: ".ldap_error($this->conn)); + $this->set_error(self::ERROR_SEARCH, 'vlvnotsupported'); + return false; + } + + return true; + } + + + /** + * Returns unified attribute name (resolving aliases) + */ + private static function _attr_name($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; + } + + + /** + * 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, $replace); + } + + + /** + * Prints debug info to the log + */ + private function _debug($str) + { + if ($this->debug && class_exists('rcube')) { + rcube::write_log('ldap', $str); + } + } + + + /***************** Virtual List View (VLV) related utility functions **************** */ + + /** + * Return the search string value to be used in VLV controls + */ + private function _vlv_search($sort, $search) + { + foreach ($search as $attr => $value) { + if (!in_array(strtolower($attr), $sort)) { + $this->_debug("d: Cannot use VLV search using attribute not indexed: $attr (not in " . var_export($sort, true) . ")"); + return null; + } else { + return $value; + } + } + } + + /** + * Find a VLV index matching the given query attributes + * + * @return string Sort attribute or False if no match + */ + private function _find_vlv($base_dn, $filter, $scope, $sort_attrs = null) + { + if (!$this->config['vlv'] || $scope == 'base') { + return false; + } + + // get vlv config + $vlv_config = $this->_read_vlv_config(); + + if ($vlv = $vlv_config[$base_dn]) { + $this->_debug("D: Found a VLV for base_dn: " . $base_dn); + + if ($vlv['filter'] == strtolower($filter) || stripos($filter, '(&'.$vlv['filter'].'(') === 0) { + $this->_debug("D: Filter matches"); + if ($vlv['scope'] == $scope) { + // Not passing any sort attributes means you don't care + if (empty($sort_attrs) || in_array($sort_attrs, $vlv['sort'])) { + return $vlv['sort'][0]; + } + } + else { + $this->_debug("D: Scope does not match"); + } + } + else { + $this->_debug("D: Filter does not match"); + } + } + else { + $this->_debug("D: No VLV for base dn " . $base_dn); + } + + return false; + } + + + /** + * Return VLV indexes and searches including necessary configuration + * details. + */ + private function _read_vlv_config() + { + if (empty($this->config['vlv']) || empty($this->config['config_root_dn'])) { + return array(); + } + // return hard-coded VLV config + else if (is_array($this->config['vlv'])) { + return $this->config['vlv']; + } + + // return cached result + if (is_array($this->vlv_config)) { + return $this->vlv_config; + } + + if ($this->cache && ($cached_config = $this->cache->get('vlvconfig'))) { + $this->vlv_config = $cached_config; + return $this->vlv_config; + } + + $this->vlv_config = array(); + + $ldap_result = ldap_search($this->conn, $this->config['config_root_dn'], '(objectclass=vlvsearch)', array('*'), 0, 0, 0); + $vlv_searches = new rcube_ldap_result($this->conn, $ldap_result, $this->config['config_root_dn'], '(objectclass=vlvsearch)'); + + if ($vlv_searches->count() < 1) { + $this->_debug("D: Empty result from search for '(objectclass=vlvsearch)' on '$config_root_dn'"); + return array(); + } + + foreach ($vlv_searches->entries(true) as $vlv_search_dn => $vlv_search_attrs) { + // Multiple indexes may exist + $ldap_result = ldap_search($this->conn, $vlv_search_dn, '(objectclass=vlvindex)', array('*'), 0, 0, 0); + $vlv_indexes = new rcube_ldap_result($this->conn, $ldap_result, $vlv_search_dn, '(objectclass=vlvindex)'); + + // Reset this one for each VLV search. + $_vlv_sort = array(); + foreach ($vlv_indexes->entries(true) as $vlv_index_dn => $vlv_index_attrs) { + $_vlv_sort[] = explode(' ', $vlv_index_attrs['vlvsort']); + } + + $this->vlv_config[$vlv_search_attrs['vlvbase']] = array( + 'scope' => self::scopeint2str($vlv_search_attrs['vlvscope']), + 'filter' => strtolower($vlv_search_attrs['vlvfilter']), + 'sort' => $_vlv_sort, + ); + } + + // cache this + if ($this->cache) + $this->cache->set('vlvconfig', $this->vlv_config); + + $this->_debug("D: Refreshed VLV config: " . var_export($this->vlv_config, true)); + + return $this->vlv_config; + } + + + /** + * Generate BER encoded string for Virtual List View option + * + * @param integer List offset (first record) + * @param integer Records per page + * @return string BER encoded option value + */ + private static function _vlv_ber_encode($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), $str); + } + + + /** + * create ber encoding for sort control + * + * @param array List of cols to sort by + * @return string BER encoded option value + */ + private static function _sort_ber_encode($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; + } + +} diff --git a/program/lib/Roundcube/rcube_ldap_result.php b/program/lib/Roundcube/rcube_ldap_result.php new file mode 100644 index 000000000..efc3331bc --- /dev/null +++ b/program/lib/Roundcube/rcube_ldap_result.php @@ -0,0 +1,130 @@ +<?php + +/* + +-----------------------------------------------------------------------+ + | Roundcube/rcube_ldap_result.php | + | | + | This file is part of the Roundcube Webmail client | + | Copyright (C) 2006-2013, The Roundcube Dev Team | + | Copyright (C) 2013, Kolab Systems AG | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | + | | + | PURPOSE: | + | Model class that represents an LDAP search result | + | | + +-----------------------------------------------------------------------+ + | Author: Thomas Bruederli <roundcube@gmail.com> | + +-----------------------------------------------------------------------+ +*/ + + +/** + * Model class representing an LDAP search result + * + * @package Framework + * @subpackage LDAP + */ +class rcube_ldap_result implements Iterator +{ + public $conn; + public $ldap; + public $base_dn; + public $filter; + + private $count = null; + private $current = null; + private $iteratorkey = 0; + + /** + * Default constructor + * + * @param resource $conn LDAP link identifier + * @param resource $ldap LDAP result entry identifier + * @param string $base_dn Base DN used to get this result + * @param string $filter Filter query used to get this result + * @param integer $count Record count value (pre-calculated) + */ + function __construct($conn, $ldap, $base_dn, $filter, $count = null) + { + $this->conn = $conn; + $this->ldap = $ldap; + $this->base_dn = $base_dn; + $this->filter = $filter; + $this->count = $count; + } + + /** + * Wrapper for ldap_sort() + */ + public function sort($attr) + { + return ldap_sort($this->conn, $this->ldap, $attr); + } + + /** + * Get entries count + */ + public function count() + { + if (!isset($this->count)) + $this->count = ldap_count_entries($this->conn, $this->ldap); + + return $this->count; + } + + /** + * Wrapper for ldap_get_entries() + * + * @param boolean $normalize Optionally normalize the entries to a list of hash arrays + * @return array List of LDAP entries + */ + public function entries($normalize = false) + { + $entries = ldap_get_entries($this->conn, $this->ldap); + return $normalize ? rcube_ldap_generic::normalize_result($entries) : $entries; + } + + /** + * Wrapper for ldap_get_dn() using the current entry pointer + */ + public function get_dn() + { + return $this->current ? ldap_get_dn($this->conn, $this->current) : null; + } + + + /*** Implements the PHP 5 Iterator interface to make foreach work ***/ + + function current() + { + $attrib = ldap_get_attributes($this->conn, $this->current); + $attrib['dn'] = ldap_get_dn($this->conn, $this->current); + return $attrib; + } + + function key() + { + return $this->iteratorkey; + } + + function rewind() + { + $this->iteratorkey = 0; + $this->current = ldap_first_entry($this->conn, $this->ldap); + } + + function next() + { + $this->iteratorkey++; + $this->current = ldap_next_entry($this->conn, $this->current); + } + + function valid() + { + return (bool)$this->current; + } + +} |