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-rw-r--r--program/lib/Roundcube/rcube_ldap_generic.php898
1 files changed, 55 insertions, 843 deletions
diff --git a/program/lib/Roundcube/rcube_ldap_generic.php b/program/lib/Roundcube/rcube_ldap_generic.php
index 25fe2e5d2..a88e53c0e 100644
--- a/program/lib/Roundcube/rcube_ldap_generic.php
+++ b/program/lib/Roundcube/rcube_ldap_generic.php
@@ -5,8 +5,8 @@
| 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 |
+ | Copyright (C) 2006-2014, The Roundcube Dev Team |
+ | Copyright (C) 2012-2014, Kolab Systems AG |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
@@ -21,464 +21,124 @@
+-----------------------------------------------------------------------+
*/
-
-/*
- 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
+class rcube_ldap_generic extends Net_LDAP3
{
- 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 $p LDAP connection properties
- */
- function __construct($p)
+ function __construct($config = null)
{
- $this->config = $p;
+ parent::__construct($config);
- if (is_array($p['attributes']))
- $this->attributes = $p['attributes'];
-
- if (!is_array($p['hosts']) && !empty($p['host']))
- $this->config['hosts'] = array($p['host']);
+ $this->config_set('log_hook', array($this, 'log'));
}
/**
- * Activate/deactivate debug mode
- *
- * @param boolean $dbg True if LDAP commands should be logged
+ * Establish a connection to the LDAP server
*/
- public function set_debug($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 $host) {
- if (!empty($host) && $this->connect($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 to $hostname [{$this->config['name']}]");
-
- if ($lc = @ldap_connect($host, $this->config['port'])) {
- if ($this->config['use_tls'] === true) {
- if (!ldap_start_tls($lc)) {
- return false;
- }
- }
-
- $this->_debug("S: OK");
-
- ldap_set_option($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']);
+ // Net_LDAP3 does not support IDNA yet
+ // also parse_host() here is very Roundcube specific
+ $host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host));
- if (isset($this->config['referrals']))
- ldap_set_option($lc, LDAP_OPT_REFERRALS, $this->config['referrals']);
-
- if (isset($this->config['dereference']))
- ldap_set_option($lc, LDAP_OPT_DEREF, $this->config['dereference']);
- }
- 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 $hostname"),
- true);
- return false;
- }
-
- return true;
+ return parent::connect($host);
}
/**
- * Bind connection with (SASL-) user and password
+ * Get a specific LDAP entry, identified by its DN
*
- * @param string $authc Authentication user
- * @param string $pass Bind password
- * @param string $authz Autorization user
+ * @param string $dn Record identifier
*
- * @return boolean True on success, False on error
+ * @return array Hash array
*/
- public function sasl_bind($authc, $pass, $authz=null)
+ function get_entry($dn)
{
- 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: SASL Bind [mech: $method, authc: $authc, authz: $authz, pass: **** [" . strlen($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($this->conn)),
- true);
- return false;
+ return parent::get_entry($dn, $this->attributes);
}
/**
- * Bind connection with DN and password
- *
- * @param string $dn Bind DN
- * @param string $pass Bind password
- *
- * @return boolean True on success, False on error
+ * Prints debug/error info to the log
*/
- public function bind($dn, $pass)
+ public function log($level, $msg)
{
- if (!$this->conn) {
- return false;
- }
-
- $this->_debug("C: Bind $dn, pass: **** [" . strlen($pass) . "]");
-
- if (@ldap_bind($this->conn, $dn, $pass)) {
- $this->_debug("S: OK");
- return true;
- }
-
- $this->_debug("S: ".ldap_error($this->conn));
+ $msg = implode("\n", $msg);
- rcube::raise_error(array(
- 'code' => ldap_errno($this->conn), 'type' => 'ldap',
- 'file' => __FILE__, 'line' => __LINE__,
- 'message' => "Bind failed for dn=$dn: ".ldap_error($this->conn)),
- true);
+ switch ($level) {
+ case LOG_DEBUG:
+ case LOG_INFO:
+ case LOG_NOTICE:
+ if ($this->config['debug']) {
+ rcube::write_log('ldap', $msg);
+ }
+ break;
- return false;
- }
+ case LOG_EMERGE:
+ case LOG_ALERT:
+ case LOG_CRIT:
+ rcube::raise_error($msg, true, true);
+ break;
- /**
- * Close connection to LDAP server
- */
- public function close()
- {
- if ($this->conn) {
- $this->_debug("C: Close");
- ldap_unbind($this->conn);
- $this->conn = null;
+ case LOG_ERR:
+ case LOG_WARNING:
+ rcube::raise_error($msg, true, false);
+ break;
}
}
/**
- * Return the last result set
- *
- * @return object rcube_ldap_result Result object
+ * @deprecated
*/
- function get_result()
+ public function set_debug($dbg = true)
{
- return $this->result;
+ $this->config['debug'] = (bool) $dbg;
}
/**
- * Get a specific LDAP entry, identified by its DN
- *
- * @param string $dn Record identifier
- * @return array Hash array
+ * @deprecated
*/
- function get_entry($dn)
+ public function set_cache($cache_engine)
{
- $rec = null;
-
- if ($this->conn && $dn) {
- $this->_debug("C: Read $dn [(objectclass=*)]");
-
- if ($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;
+ $this->config['cache'] = $cache_engine;
}
/**
- * 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 $count_only Set to true if only entry count is requested
- *
- * @return mixed rcube_ldap_result object or number of entries (if count_only=true) or false on error
+ * @deprecated
*/
- public function search($base_dn, $filter = '', $scope = 'sub', $attrs = array('dn'), $prop = array(), $count_only = false)
+ public static function scope2func($scope, &$ns_function = null)
{
- if (!$this->conn) {
- return false;
- }
-
- if (empty($filter)) {
- $filter = '(objectclass=*)';
- }
-
- $this->_debug("C: Search $base_dn for $filter");
-
- $function = self::scope2func($scope, $ns_function);
-
- // find available VLV index for this query
- if (!$count_only && ($vlv_sort = $this->_find_vlv($base_dn, $filter, $scope, $prop['sort']))) {
- // when using VLV, we get the total count by...
- // ...either reading numSubOrdinates attribute
- if (($sub_filter = $this->config['numsub_filter']) &&
- ($result_count = @$ns_function($this->conn, $base_dn, $sub_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;
+ return self::scope_to_function($scope, $ns_function);
}
/**
- * Modify an LDAP entry on the server
- *
- * @param string $dn Entry DN
- * @param array $params Hash array of entry attributes
- * @param int $mode Update mode (UPDATE_MOD_ADD | UPDATE_MOD_DELETE | UPDATE_MOD_REPLACE)
+ * @deprecated
*/
- public function modify($dn, $parms, $mode = 255)
+ public function set_config($opt, $val = null)
{
- // TODO: implement this
-
- return false;
+ $this->config_set($opt, $val);
}
/**
- * Wrapper for ldap_add()
- *
- * @see ldap_add()
+ * @deprecated
*/
public function add($dn, $entry)
{
- $this->_debug("C: Add $dn: ".print_r($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;
+ return $this->add_entry($dn, $entry);
}
/**
- * Wrapper for ldap_delete()
- *
- * @see ldap_delete()
+ * @deprecated
*/
public function delete($dn)
{
- $this->_debug("C: Delete $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;
+ return $this->delete_entry($dn);
}
/**
@@ -595,9 +255,6 @@ class rcube_ldap_generic
$this->_debug("C: Read $dn [{$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));
@@ -610,452 +267,7 @@ class rcube_ldap_generic
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)
- {
- if (!isset($entry['count'])) {
- return $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 $dn True if the attribute is a DN
- *
- * @return string Quoted string
- */
- public static function quote_string($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 $base_dn");
-
- if ($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 $base_dn");
- }
-
- return false;
- }
-
- /**
- * Return VLV indexes and searches including necessary configuration
- * details.
- */
- private function _read_vlv_config()
- {
- if (empty($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();
- $config_root_dn = $this->config['config_root_dn'];
-
- $ldap_result = ldap_search($this->conn, $config_root_dn, '(objectclass=vlvsearch)', array('*'), 0, 0, 0);
- $vlv_searches = new rcube_ldap_result($this->conn, $ldap_result, $config_root_dn, '(objectclass=vlvsearch)');
-
- if ($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, $search = '')
- {
- /*
- this string is ber-encoded, php will prefix this value with:
- 04 (octet string) and 10 (length of 16 bytes)
- the code behind this string is broken down as follows:
- 30 = ber sequence with a length of 0e (14) bytes following
- 02 = type integer (in two's complement form) with 2 bytes following (beforeCount): 01 00 (ie 0)
- 02 = type integer (in two's complement form) with 2 bytes following (afterCount): 01 18 (ie 25-1=24)
- a0 = type context-specific/constructed with a length of 06 (6) bytes following
- 02 = type integer with 2 bytes following (offset): 01 01 (ie 1)
- 02 = type integer with 2 bytes following (contentCount): 01 00
-
- with a search string present:
- 81 = type context-specific/constructed with a length of 04 (4) bytes following (the length will change here)
- 81 indicates a user string is present where as a a0 indicates just a offset search
- 81 = type context-specific/constructed with a length of 06 (6) bytes following
-
- The following info was taken from the ISO/IEC 8825-1:2003 x.690 standard re: the
- encoding of integer values (note: these values are in
- two-complement form so since offset will never be negative bit 8 of the
- leftmost octet should never by set to 1):
- 8.3.2: If the contents octets of an integer value encoding consist
- of more than one octet, then the bits of the first octet (rightmost)
- and bit 8 of the second (to the left of first octet) octet:
- a) shall not all be ones; and
- b) shall not all be zero
- */
-
- if ($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;
- }
-
}
+
+// for backward compat.
+class rcube_ldap_result extends Net_LDAP3_Result {}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 11:17:37 +0000