BurningFlipside /
CommonCode
Complex classes like LDAPServer often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use LDAPServer, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 62 | class LDAPServer extends \Singleton |
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| 63 | { |
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| 64 | protected $ldapLink; |
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| 65 | protected $connect; |
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| 66 | protected $binder; |
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| 67 | public $user_base; |
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| 68 | public $group_base; |
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| 69 | |||
| 70 | protected function __construct() |
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| 75 | |||
| 76 | public function __destruct() |
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| 79 | |||
| 80 | public function __wakeup() |
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| 84 | |||
| 85 | private function getConnectString($name, $proto = false) |
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| 97 | |||
| 98 | public function connect($name, $proto = false) |
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| 115 | |||
| 116 | public function disconnect() |
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| 117 | { |
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| 118 | if($this->ldapLink !== null) |
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| 119 | { |
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| 120 | ldap_close($this->ldapLink); |
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| 121 | $this->ldapLink = null; |
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| 122 | } |
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| 123 | $this->connect = false; |
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| 124 | } |
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| 125 | |||
| 126 | /** |
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| 127 | * Bind (login0 to the LDAP Server |
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| 128 | * |
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| 129 | * @param string $commonName The common name to bind with, null to bind anonymously |
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| 130 | * @param string $password The password to bind with, null to bind anonymously |
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| 131 | */ |
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| 132 | public function bind($commonName = null, $password = null) |
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| 133 | { |
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| 134 | $res = false; |
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| 135 | if($this->ldapLink === null) |
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| 136 | { |
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| 137 | throw new \Exception('Not connected'); |
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| 138 | } |
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| 139 | $this->binder = $commonName; |
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| 140 | if($commonName === null || $password === null) |
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| 141 | { |
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| 142 | return @ldap_bind($this->ldapLink); |
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| 143 | } |
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| 144 | try |
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| 145 | { |
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| 146 | $res = ldap_bind($this->ldapLink, $commonName, $password); |
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| 147 | } |
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| 148 | catch(\Exception $ex) |
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| 149 | { |
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| 150 | $this->ldapLink = ldap_connect($this->connect); |
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| 151 | $res = @ldap_bind($this->ldapLink, $commonName, $password); |
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| 152 | } |
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| 153 | return $res; |
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| 154 | } |
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| 155 | |||
| 156 | public function unbind() |
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| 164 | |||
| 165 | private function fixChildArray(&$array, $key, &$entity) |
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| 166 | { |
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| 167 | $count = count($array); |
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| 168 | for($i = 0; $i < $count; $i++) |
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| 169 | { |
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| 170 | if(isset($array[$i])) |
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| 171 | { |
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| 172 | $entity[$key][$i] = $array[$i]; |
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| 173 | } |
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| 174 | } |
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| 175 | } |
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| 176 | |||
| 177 | private function fixObject($object, &$delete = false) |
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| 178 | { |
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| 179 | $entity = $object; |
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| 180 | if(!is_array($object)) |
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| 181 | { |
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| 182 | $entity = $object->to_array(); |
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| 183 | } |
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| 184 | unset($entity['dn']); |
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| 185 | $keys = array_keys($entity); |
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| 186 | $count = count($keys); |
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| 187 | for($i = 0; $i < $count; $i++) |
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| 188 | { |
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| 189 | if(is_array($entity[$keys[$i]])) |
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| 190 | { |
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| 191 | $this->fixChildArray($entity[$keys[$i]], $keys[$i], $entity); |
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| 192 | //unset($entity[$keys[$i]]); |
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| 193 | } |
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| 194 | else if($delete !== false && $entity[$keys[$i]] === null) |
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| 195 | { |
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| 196 | $delete[$keys[$i]] = array(); |
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| 197 | unset($entity[$keys[$i]]); |
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| 198 | } |
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| 199 | } |
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| 200 | return $entity; |
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| 201 | } |
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| 202 | |||
| 203 | public function create($object) |
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| 204 | { |
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| 205 | $distinguishedName = ldap_escape($object['dn'], true); |
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| 206 | $entity = $this->fixObject($object); |
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| 207 | $ret = ldap_add($this->ldapLink, $distinguishedName, $entity); |
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| 208 | if($ret === false) |
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| 209 | { |
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| 210 | throw new \Exception('Failed to create object with dn='.$distinguishedName); |
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| 211 | } |
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| 212 | return $ret; |
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| 213 | } |
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| 214 | |||
| 215 | /** |
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| 216 | * Get the LDAP filter represented by the passed object |
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| 217 | * |
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| 218 | * @param boolean|string|\Data\Filter $filter The fiter to use |
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| 219 | * |
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| 220 | * @return string The filter in LDAP format |
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| 221 | */ |
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| 222 | private function filterToString($filter) |
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| 223 | { |
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| 224 | if($filter === false) |
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| 225 | { |
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| 226 | return '(objectclass=*)'; |
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| 227 | } |
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| 228 | if(is_string($filter)) |
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| 229 | { |
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| 230 | return $filter; |
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| 231 | } |
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| 232 | return $filter->to_ldap_string(); |
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| 233 | } |
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| 234 | |||
| 235 | private function searchResultToArray($searchResult) |
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| 253 | |||
| 254 | /** |
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| 255 | * Get data from the LDAP Server |
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| 256 | * |
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| 257 | * @param string $baseDN The distinguished name to start the search from |
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| 258 | * @param boolean|string|\Data\Filter $filter The fiter to use |
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| 259 | * @param boolean $single Read only the base DN |
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| 260 | * @param boolean|array $attributes The list of attributes to read |
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| 261 | * |
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| 262 | * @return boolean|array The results from the LDAP Server |
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| 263 | */ |
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| 264 | public function read($baseDN, $filter = false, $single = false, $attributes = false) |
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| 291 | |||
| 292 | public function count($baseDN, $filter = false) |
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| 313 | |||
| 314 | public function update($object) |
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| 315 | { |
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| 316 | $distinguishedName = ldap_escape($object['dn'], true); |
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| 338 | |||
| 339 | public function delete($distinguishedName) |
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| 343 | } |
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| 344 | /* vim: set tabstop=4 shiftwidth=4 expandtab: */ |
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| 345 |
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This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italyis not defined by the methodfinale(...).The most likely cause is that the parameter was removed, but the annotation was not.