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<?php |
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/** |
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* @link https://github.com/chrmorandi/yii2-ldap for the source repository |
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* @package yii2-ldap |
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* @author Christopher Mota <[email protected]> |
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* @license MIT License - view the LICENSE file that was distributed with this source code. |
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* @since 1.0.0 |
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*/ |
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namespace chrmorandi\ldap; |
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use yii\base\InvalidArgumentException; |
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/** |
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* Some common helper LDAP functions. |
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*/ |
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class LdapHelper |
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{ |
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/** |
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* Converts a string distinguished name into its separate pieces. |
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* |
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* @param string $dn |
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* @param int $withAttributes Set to 0 to get the attribute names along with the value. |
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* @return array |
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*/ |
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public static function explodeDn($dn, $withAttributes = 1) |
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{ |
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$pieces = ldap_explode_dn($dn, $withAttributes); |
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if ($pieces === false || !isset($pieces['count']) || $pieces['count'] == 0) { |
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throw new InvalidArgumentException(sprintf('Unable to parse DN "%s".', $dn)); |
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} |
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unset($pieces['count']); |
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return $pieces; |
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} |
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/** |
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* Given a DN as an array in ['cn=Name', 'ou=Employees', 'dc=example', 'dc=com'] form, return it as its string |
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* representation that is safe to pass back to a query or to save back to LDAP for a DN. |
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* |
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* @param array $dn |
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* @return string |
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*/ |
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public static function implodeDn(array $dn) |
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{ |
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foreach ($dn as $index => $piece) { |
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$values = explode('=', $piece, 2); |
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if (count($values) === 1) { |
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throw new InvalidArgumentException(sprintf('Unable to parse DN piece "%s".', $values[0])); |
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} |
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$dn[$index] = $values[0] . '=' . $values[1]; |
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} |
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return implode(',', $dn); |
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} |
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/** |
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* Given a full escaped DN return the RDN in escaped form. |
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* |
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* @param string $dn |
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* @return string Return string like "attribute = value" |
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*/ |
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public static function getRdnFromDn($dn) |
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{ |
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$rdn = self::explodeDn($dn, 0)[0]; |
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$rdn = explode('=', $rdn, 2); |
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return $rdn[0] . '=' . $rdn[1]; |
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} |
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/** |
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* Recursively implodes an array with optional key inclusion |
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* |
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* Example of $include_keys output: key, value, key, value, key, value |
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* |
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* @access public |
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* @param array $array multi-dimensional array to recursively implode |
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* @param string $glue value that glues elements together |
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* @param bool $include_keys include keys before their values |
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* @param bool $trim_all trim ALL whitespace from string |
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* @return string imploded array |
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*/ |
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public static function recursiveImplode(array $array, $glue = ',', $include_keys = false, $trim_all = true) |
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{ |
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$glued_string = ''; |
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// Recursively iterates array and adds key/value to glued string |
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array_walk_recursive($array, function($value, $key) use ($glue, $include_keys, &$glued_string) { |
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$include_keys and $glued_string .= $key . $glue; |
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$glued_string .= $value . $glue; |
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}); |
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// Removes last $glue from string |
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strlen($glue) > 0 and $glued_string = substr($glued_string, 0, -strlen($glue)); |
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// Trim ALL whitespace |
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$trim_all and $glued_string = preg_replace("/(\s)/ixsm", '', $glued_string); |
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return (string) $glued_string; |
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} |
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} |
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chrmorandi /
yii2-ldap
