From 1f73156daeef47cf8a7214936383fbc496255fd7 Mon Sep 17 00:00:00 2001 From: Craig Andrews Date: Tue, 23 Mar 2010 21:57:47 -0400 Subject: Move the bundled Net/LDAP2 library to the LdapCommon directory --- extlib/Net/LDAP2/Search.php | 614 -------------------------------------------- 1 file changed, 614 deletions(-) delete mode 100644 extlib/Net/LDAP2/Search.php (limited to 'extlib/Net/LDAP2/Search.php') diff --git a/extlib/Net/LDAP2/Search.php b/extlib/Net/LDAP2/Search.php deleted file mode 100644 index de4fde122..000000000 --- a/extlib/Net/LDAP2/Search.php +++ /dev/null @@ -1,614 +0,0 @@ - -* @author Benedikt Hallinger -* @copyright 2009 Tarjej Huse, Benedikt Hallinger -* @license http://www.gnu.org/licenses/lgpl-3.0.txt LGPLv3 -* @version SVN: $Id: Search.php 286718 2009-08-03 07:30:49Z beni $ -* @link http://pear.php.net/package/Net_LDAP2/ -*/ - -/** -* Includes -*/ -require_once 'PEAR.php'; - -/** -* Result set of an LDAP search -* -* @category Net -* @package Net_LDAP2 -* @author Tarjej Huse -* @author Benedikt Hallinger -* @license http://www.gnu.org/copyleft/lesser.html LGPL -* @link http://pear.php.net/package/Net_LDAP22/ -*/ -class Net_LDAP2_Search extends PEAR implements Iterator -{ - /** - * Search result identifier - * - * @access protected - * @var resource - */ - protected $_search; - - /** - * LDAP resource link - * - * @access protected - * @var resource - */ - protected $_link; - - /** - * Net_LDAP2 object - * - * A reference of the Net_LDAP2 object for passing to Net_LDAP2_Entry - * - * @access protected - * @var object Net_LDAP2 - */ - protected $_ldap; - - /** - * Result entry identifier - * - * @access protected - * @var resource - */ - protected $_entry = null; - - /** - * The errorcode the search got - * - * Some errorcodes might be of interest, but might not be best handled as errors. - * examples: 4 - LDAP_SIZELIMIT_EXCEEDED - indicates a huge search. - * Incomplete results are returned. If you just want to check if there's anything in the search. - * than this is a point to handle. - * 32 - no such object - search here returns a count of 0. - * - * @access protected - * @var int - */ - protected $_errorCode = 0; // if not set - sucess! - - /** - * Cache for all entries already fetched from iterator interface - * - * @access protected - * @var array - */ - protected $_iteratorCache = array(); - - /** - * What attributes we searched for - * - * The $attributes array contains the names of the searched attributes and gets - * passed from $Net_LDAP2->search() so the Net_LDAP2_Search object can tell - * what attributes was searched for ({@link searchedAttrs()) - * - * This variable gets set from the constructor and returned - * from {@link searchedAttrs()} - * - * @access protected - * @var array - */ - protected $_searchedAttrs = array(); - - /** - * Cache variable for storing entries fetched internally - * - * This currently is only used by {@link pop_entry()} - * - * @access protected - * @var array - */ - protected $_entry_cache = false; - - /** - * Constructor - * - * @param resource &$search Search result identifier - * @param Net_LDAP2|resource &$ldap Net_LDAP2 object or just a LDAP-Link resource - * @param array $attributes (optional) Array with searched attribute names. (see {@link $_searchedAttrs}) - * - * @access public - */ - public function __construct(&$search, &$ldap, $attributes = array()) - { - $this->PEAR('Net_LDAP2_Error'); - - $this->setSearch($search); - - if ($ldap instanceof Net_LDAP2) { - $this->_ldap =& $ldap; - $this->setLink($this->_ldap->getLink()); - } else { - $this->setLink($ldap); - } - - $this->_errorCode = @ldap_errno($this->_link); - - if (is_array($attributes) && !empty($attributes)) { - $this->_searchedAttrs = $attributes; - } - } - - /** - * Returns an array of entry objects - * - * @return array Array of entry objects. - */ - public function entries() - { - $entries = array(); - - while ($entry = $this->shiftEntry()) { - $entries[] = $entry; - } - - return $entries; - } - - /** - * Get the next entry in the searchresult. - * - * This will return a valid Net_LDAP2_Entry object or false, so - * you can use this method to easily iterate over the entries inside - * a while loop. - * - * @return Net_LDAP2_Entry|false Reference to Net_LDAP2_Entry object or false - */ - public function &shiftEntry() - { - if ($this->count() == 0 ) { - $false = false; - return $false; - } - - if (is_null($this->_entry)) { - $this->_entry = @ldap_first_entry($this->_link, $this->_search); - $entry = Net_LDAP2_Entry::createConnected($this->_ldap, $this->_entry); - if ($entry instanceof Net_LDAP2_Error) $entry = false; - } else { - if (!$this->_entry = @ldap_next_entry($this->_link, $this->_entry)) { - $false = false; - return $false; - } - $entry = Net_LDAP2_Entry::createConnected($this->_ldap, $this->_entry); - if ($entry instanceof Net_LDAP2_Error) $entry = false; - } - return $entry; - } - - /** - * Alias function of shiftEntry() for perl-ldap interface - * - * @see shiftEntry() - * @return Net_LDAP2_Entry|false - */ - public function shift_entry() - { - $args = func_get_args(); - return call_user_func_array(array( &$this, 'shiftEntry' ), $args); - } - - /** - * Retrieve the next entry in the searchresult, but starting from last entry - * - * This is the opposite to {@link shiftEntry()} and is also very useful - * to be used inside a while loop. - * - * @return Net_LDAP2_Entry|false - */ - public function popEntry() - { - if (false === $this->_entry_cache) { - // fetch entries into cache if not done so far - $this->_entry_cache = $this->entries(); - } - - $return = array_pop($this->_entry_cache); - return (null === $return)? false : $return; - } - - /** - * Alias function of popEntry() for perl-ldap interface - * - * @see popEntry() - * @return Net_LDAP2_Entry|false - */ - public function pop_entry() - { - $args = func_get_args(); - return call_user_func_array(array( &$this, 'popEntry' ), $args); - } - - /** - * Return entries sorted as array - * - * This returns a array with sorted entries and the values. - * Sorting is done with PHPs {@link array_multisort()}. - * This method relies on {@link as_struct()} to fetch the raw data of the entries. - * - * Please note that attribute names are case sensitive! - * - * Usage example: - * - * // to sort entries first by location, then by surename, but descending: - * $entries = $search->sorted_as_struct(array('locality','sn'), SORT_DESC); - * - * - * @param array $attrs Array of attribute names to sort; order from left to right. - * @param int $order Ordering direction, either constant SORT_ASC or SORT_DESC - * - * @return array|Net_LDAP2_Error Array with sorted entries or error - * @todo what about server side sorting as specified in http://www.ietf.org/rfc/rfc2891.txt? - */ - public function sorted_as_struct($attrs = array('cn'), $order = SORT_ASC) - { - /* - * Old Code, suitable and fast for single valued sorting - * This code should be used if we know that single valued sorting is desired, - * but we need some method to get that knowledge... - */ - /* - $attrs = array_reverse($attrs); - foreach ($attrs as $attribute) { - if (!ldap_sort($this->_link, $this->_search, $attribute)){ - $this->raiseError("Sorting failed for Attribute " . $attribute); - } - } - - $results = ldap_get_entries($this->_link, $this->_search); - - unset($results['count']); //for tidier output - if ($order) { - return array_reverse($results); - } else { - return $results; - }*/ - - /* - * New code: complete "client side" sorting - */ - // first some parameterchecks - if (!is_array($attrs)) { - return PEAR::raiseError("Sorting failed: Parameterlist must be an array!"); - } - if ($order != SORT_ASC && $order != SORT_DESC) { - return PEAR::raiseError("Sorting failed: sorting direction not understood! (neither constant SORT_ASC nor SORT_DESC)"); - } - - // fetch the entries data - $entries = $this->as_struct(); - - // now sort each entries attribute values - // this is neccessary because later we can only sort by one value, - // so we need the highest or lowest attribute now, depending on the - // selected ordering for that specific attribute - foreach ($entries as $dn => $entry) { - foreach ($entry as $attr_name => $attr_values) { - sort($entries[$dn][$attr_name]); - if ($order == SORT_DESC) { - array_reverse($entries[$dn][$attr_name]); - } - } - } - - // reformat entrys array for later use with array_multisort() - $to_sort = array(); // <- will be a numeric array similar to ldap_get_entries - foreach ($entries as $dn => $entry_attr) { - $row = array(); - $row['dn'] = $dn; - foreach ($entry_attr as $attr_name => $attr_values) { - $row[$attr_name] = $attr_values; - } - $to_sort[] = $row; - } - - // Build columns for array_multisort() - // each requested attribute is one row - $columns = array(); - foreach ($attrs as $attr_name) { - foreach ($to_sort as $key => $row) { - $columns[$attr_name][$key] =& $to_sort[$key][$attr_name][0]; - } - } - - // sort the colums with array_multisort, if there is something - // to sort and if we have requested sort columns - if (!empty($to_sort) && !empty($columns)) { - $sort_params = ''; - foreach ($attrs as $attr_name) { - $sort_params .= '$columns[\''.$attr_name.'\'], '.$order.', '; - } - eval("array_multisort($sort_params \$to_sort);"); // perform sorting - } - - return $to_sort; - } - - /** - * Return entries sorted as objects - * - * This returns a array with sorted Net_LDAP2_Entry objects. - * The sorting is actually done with {@link sorted_as_struct()}. - * - * Please note that attribute names are case sensitive! - * Also note, that it is (depending on server capabilitys) possible to let - * the server sort your results. This happens through search controls - * and is described in detail at {@link http://www.ietf.org/rfc/rfc2891.txt} - * - * Usage example: - * - * // to sort entries first by location, then by surename, but descending: - * $entries = $search->sorted(array('locality','sn'), SORT_DESC); - * - * - * @param array $attrs Array of sort attributes to sort; order from left to right. - * @param int $order Ordering direction, either constant SORT_ASC or SORT_DESC - * - * @return array|Net_LDAP2_Error Array with sorted Net_LDAP2_Entries or error - * @todo Entry object construction could be faster. Maybe we could use one of the factorys instead of fetching the entry again - */ - public function sorted($attrs = array('cn'), $order = SORT_ASC) - { - $return = array(); - $sorted = $this->sorted_as_struct($attrs, $order); - if (PEAR::isError($sorted)) { - return $sorted; - } - foreach ($sorted as $key => $row) { - $entry = $this->_ldap->getEntry($row['dn'], $this->searchedAttrs()); - if (!PEAR::isError($entry)) { - array_push($return, $entry); - } else { - return $entry; - } - } - return $return; - } - - /** - * Return entries as array - * - * This method returns the entries and the selected attributes values as - * array. - * The first array level contains all found entries where the keys are the - * DNs of the entries. The second level arrays contian the entries attributes - * such that the keys is the lowercased name of the attribute and the values - * are stored in another indexed array. Note that the attribute values are stored - * in an array even if there is no or just one value. - * - * The array has the following structure: - * - * $return = array( - * 'cn=foo,dc=example,dc=com' => array( - * 'sn' => array('foo'), - * 'multival' => array('val1', 'val2', 'valN') - * ) - * 'cn=bar,dc=example,dc=com' => array( - * 'sn' => array('bar'), - * 'multival' => array('val1', 'valN') - * ) - * ) - * - * - * @return array associative result array as described above - */ - public function as_struct() - { - $return = array(); - $entries = $this->entries(); - foreach ($entries as $entry) { - $attrs = array(); - $entry_attributes = $entry->attributes(); - foreach ($entry_attributes as $attr_name) { - $attr_values = $entry->getValue($attr_name, 'all'); - if (!is_array($attr_values)) { - $attr_values = array($attr_values); - } - $attrs[$attr_name] = $attr_values; - } - $return[$entry->dn()] = $attrs; - } - return $return; - } - - /** - * Set the search objects resource link - * - * @param resource &$search Search result identifier - * - * @access public - * @return void - */ - public function setSearch(&$search) - { - $this->_search = $search; - } - - /** - * Set the ldap ressource link - * - * @param resource &$link Link identifier - * - * @access public - * @return void - */ - public function setLink(&$link) - { - $this->_link = $link; - } - - /** - * Returns the number of entries in the searchresult - * - * @return int Number of entries in search. - */ - public function count() - { - // this catches the situation where OL returned errno 32 = no such object! - if (!$this->_search) { - return 0; - } - return @ldap_count_entries($this->_link, $this->_search); - } - - /** - * Get the errorcode the object got in its search. - * - * @return int The ldap error number. - */ - public function getErrorCode() - { - return $this->_errorCode; - } - - /** - * Destructor - * - * @access protected - */ - public function _Net_LDAP2_Search() - { - @ldap_free_result($this->_search); - } - - /** - * Closes search result - * - * @return void - */ - public function done() - { - $this->_Net_LDAP2_Search(); - } - - /** - * Return the attribute names this search selected - * - * @return array - * @see $_searchedAttrs - * @access protected - */ - protected function searchedAttrs() - { - return $this->_searchedAttrs; - } - - /** - * Tells if this search exceeds a sizelimit - * - * @return boolean - */ - public function sizeLimitExceeded() - { - return ($this->getErrorCode() == 4); - } - - - /* - * SPL Iterator interface methods. - * This interface allows to use Net_LDAP2_Search - * objects directly inside a foreach loop! - */ - /** - * SPL Iterator interface: Return the current element. - * - * The SPL Iterator interface allows you to fetch entries inside - * a foreach() loop: foreach ($search as $dn => $entry) { ... - * - * Of course, you may call {@link current()}, {@link key()}, {@link next()}, - * {@link rewind()} and {@link valid()} yourself. - * - * If the search throwed an error, it returns false. - * False is also returned, if the end is reached - * In case no call to next() was made, we will issue one, - * thus returning the first entry. - * - * @return Net_LDAP2_Entry|false - */ - public function current() - { - if (count($this->_iteratorCache) == 0) { - $this->next(); - reset($this->_iteratorCache); - } - $entry = current($this->_iteratorCache); - return ($entry instanceof Net_LDAP2_Entry)? $entry : false; - } - - /** - * SPL Iterator interface: Return the identifying key (DN) of the current entry. - * - * @see current() - * @return string|false DN of the current entry; false in case no entry is returned by current() - */ - public function key() - { - $entry = $this->current(); - return ($entry instanceof Net_LDAP2_Entry)? $entry->dn() :false; - } - - /** - * SPL Iterator interface: Move forward to next entry. - * - * After a call to {@link next()}, {@link current()} will return - * the next entry in the result set. - * - * @see current() - * @return void - */ - public function next() - { - // fetch next entry. - // if we have no entrys anymore, we add false (which is - // returned by shiftEntry()) so current() will complain. - if (count($this->_iteratorCache) - 1 <= $this->count()) { - $this->_iteratorCache[] = $this->shiftEntry(); - } - - // move on array pointer to current element. - // even if we have added all entries, this will - // ensure proper operation in case we rewind() - next($this->_iteratorCache); - } - - /** - * SPL Iterator interface: Check if there is a current element after calls to {@link rewind()} or {@link next()}. - * - * Used to check if we've iterated to the end of the collection. - * - * @see current() - * @return boolean FALSE if there's nothing more to iterate over - */ - public function valid() - { - return ($this->current() instanceof Net_LDAP2_Entry); - } - - /** - * SPL Iterator interface: Rewind the Iterator to the first element. - * - * After rewinding, {@link current()} will return the first entry in the result set. - * - * @see current() - * @return void - */ - public function rewind() - { - reset($this->_iteratorCache); - } -} - -?> -- cgit v1.2.3-54-g00ecf