User_Proxy::getHome() - Code Metrics - Inspection of "Merge pull request #18859 from nextcloud/add-passw..." - nextcloud/server - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 092a1f...510a29 )

by Joas

created 2020-01-14 17:18 UTC

User_Proxy::getHome() A

↳ Parent: User_Proxy

Complexity

Conditions	1
Paths	1

Size

Total Lines	2
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	1
dl	0
loc	2
rs	10
c	0
b	0
f	0

<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Arthur Schiwon <[email protected]>
 * @author Christopher Schäpers <[email protected]>
 * @author Joas Schilling <[email protected]>
 * @author Lukas Reschke <[email protected]>
 * @author Morris Jobke <[email protected]>
 * @author Robin McCorkell <[email protected]>
 * @author Roger Szabo <[email protected]>
 * @author root <[email protected]>
 * @author Thomas Müller <[email protected]>
 * @author Vinicius Cubas Brand <[email protected]>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\User_LDAP;

use OCA\User_LDAP\User\User;
use OCP\IConfig;
use OCP\IUserSession;
use OCP\Notification\IManager as INotificationManager;

class User_Proxy extends Proxy implements \OCP\IUserBackend, \OCP\UserInterface, IUserLDAP {
	private $backends = [];
	/** @var User_LDAP */
	private $refBackend = null;

	/**
	 * Constructor
	 *
	 * @param array $serverConfigPrefixes array containing the config Prefixes
	 * @param ILDAPWrapper $ldap
	 * @param IConfig $ocConfig
	 * @param INotificationManager $notificationManager
	 * @param IUserSession $userSession
	 */
	public function __construct(
		array $serverConfigPrefixes,
		ILDAPWrapper $ldap,
		IConfig $ocConfig,
		INotificationManager $notificationManager,
		IUserSession $userSession,
		UserPluginManager $userPluginManager
	) {
		parent::__construct($ldap);
		foreach($serverConfigPrefixes as $configPrefix) {
			$this->backends[$configPrefix] =
				new User_LDAP($this->getAccess($configPrefix), $ocConfig, $notificationManager, $userSession, $userPluginManager);

			if(is_null($this->refBackend)) {
				$this->refBackend = &$this->backends[$configPrefix];
			}
		}
	}

	/**
	 * Tries the backends one after the other until a positive result is returned from the specified method
	 * @param string $uid the uid connected to the request
	 * @param string $method the method of the user backend that shall be called
	 * @param array $parameters an array of parameters to be passed
	 * @return mixed the result of the method or false
	 */
	protected function walkBackends($uid, $method, $parameters) {
		$cacheKey = $this->getUserCacheKey($uid);
		foreach($this->backends as $configPrefix => $backend) {
			$instance = $backend;
			if(!method_exists($instance, $method)
				&& method_exists($this->getAccess($configPrefix), $method)) {
				$instance = $this->getAccess($configPrefix);
			}
			if($result = call_user_func_array(array($instance, $method), $parameters)) {
				$this->writeToCache($cacheKey, $configPrefix);
				return $result;
			}
		}
		return false;
	}

	/**
	 * Asks the backend connected to the server that supposely takes care of the uid from the request.
	 * @param string $uid the uid connected to the request
	 * @param string $method the method of the user backend that shall be called
	 * @param array $parameters an array of parameters to be passed
	 * @param mixed $passOnWhen the result matches this variable
	 * @return mixed the result of the method or false
	 */
	protected function callOnLastSeenOn($uid, $method, $parameters, $passOnWhen) {
		$cacheKey = $this->getUserCacheKey($uid);
		$prefix = $this->getFromCache($cacheKey);
		//in case the uid has been found in the past, try this stored connection first
		if(!is_null($prefix)) {
			if(isset($this->backends[$prefix])) {
				$instance = $this->backends[$prefix];
				if(!method_exists($instance, $method)
					&& method_exists($this->getAccess($prefix), $method)) {
					$instance = $this->getAccess($prefix);
				}
				$result = call_user_func_array([$instance, $method], $parameters);
				if($result === $passOnWhen) {
					//not found here, reset cache to null if user vanished
					//because sometimes methods return false with a reason
					$userExists = call_user_func_array(
						[$this->backends[$prefix], 'userExistsOnLDAP'],
						[$uid]
					);
					if(!$userExists) {
						$this->writeToCache($cacheKey, null);
					}
				}
				return $result;
			}
		}
		return false;
	}

	/**
	 * Check if backend implements actions
	 * @param int $actions bitwise-or'ed actions
	 * @return boolean
	 *
	 * Returns the supported actions as int to be
	 * compared with \OC\User\Backend::CREATE_USER etc.
	 */
	public function implementsActions($actions) {
		//it's the same across all our user backends obviously
		return $this->refBackend->implementsActions($actions);
	}

	/**
	 * Backend name to be shown in user management
	 * @return string the name of the backend to be shown
	 */
	public function getBackendName() {
		return $this->refBackend->getBackendName();
	}

	/**
	 * Get a list of all users
	 *
	 * @param string $search
	 * @param null|int $limit
	 * @param null|int $offset
	 * @return string[] an array of all uids
	 */
	public function getUsers($search = '', $limit = 10, $offset = 0) {
		//we do it just as the /OC_User implementation: do not play around with limit and offset but ask all backends
		$users = array();
		foreach($this->backends as $backend) {
			$backendUsers = $backend->getUsers($search, $limit, $offset);
			if (is_array($backendUsers)) {
				$users = array_merge($users, $backendUsers);
			}
		}
		return $users;
	}

	/**
	 * check if a user exists
	 * @param string $uid the username
	 * @return boolean
	 */
	public function userExists($uid) {
		$existsOnLDAP = false;
		$existsLocally = $this->handleRequest($uid, 'userExists', array($uid));
		if($existsLocally) {
			$existsOnLDAP = $this->userExistsOnLDAP($uid);
		}
		if($existsLocally && !$existsOnLDAP) {
			try {
				$user = $this->getLDAPAccess($uid)->userManager->get($uid);
				if($user instanceof User) {
					$user->markUser();
				}
			} catch (\Exception $e) {
				// ignore
			}
		}
		return $existsLocally;
	}

	/**
	 * check if a user exists on LDAP
	 * @param string|\OCA\User_LDAP\User\User $user either the Nextcloud user
	 * name or an instance of that user
	 * @return boolean
	 */
	public function userExistsOnLDAP($user) {
		$id = ($user instanceof User) ? $user->getUsername() : $user;
		return $this->handleRequest($id, 'userExistsOnLDAP', array($user));
	}

	/**
	 * Check if the password is correct
	 * @param string $uid The username
	 * @param string $password The password
	 * @return bool
	 *
	 * Check if the password is correct without logging in the user
	 */
	public function checkPassword($uid, $password) {
		return $this->handleRequest($uid, 'checkPassword', array($uid, $password));
	}

	/**
	 * returns the username for the given login name, if available
	 *
	 * @param string $loginName
	 * @return string|false
	 */
	public function loginName2UserName($loginName) {
		$id = 'LOGINNAME,' . $loginName;
		return $this->handleRequest($id, 'loginName2UserName', array($loginName));
	}
	
	/**
	 * returns the username for the given LDAP DN, if available
	 *
	 * @param string $dn
	 * @return string|false with the username
	 */
	public function dn2UserName($dn) {
		$id = 'DN,' . $dn;
		return $this->handleRequest($id, 'dn2UserName', array($dn));
	}

	/**
	 * get the user's home directory
	 * @param string $uid the username
	 * @return boolean
	 */
	public function getHome($uid) {
		return $this->handleRequest($uid, 'getHome', array($uid));
	}

	/**
	 * get display name of the user
	 * @param string $uid user ID of the user
	 * @return string display name
	 */
	public function getDisplayName($uid) {
		return $this->handleRequest($uid, 'getDisplayName', array($uid));

	}

	/**
	 * set display name of the user
	 *
	 * @param string $uid user ID of the user
	 * @param string $displayName new display name
	 * @return string display name
	 */
	public function setDisplayName($uid, $displayName) {
		return $this->handleRequest($uid, 'setDisplayName', array($uid, $displayName));

	}

	/**
	 * checks whether the user is allowed to change his avatar in Nextcloud
	 * @param string $uid the Nextcloud user name
	 * @return boolean either the user can or cannot
	 */
	public function canChangeAvatar($uid) {
		return $this->handleRequest($uid, 'canChangeAvatar', [$uid], true);
	}

	/**
	 * Get a list of all display names and user ids.
	 * @param string $search
	 * @param string|null $limit
	 * @param string|null $offset
	 * @return array an array of all displayNames (value) and the corresponding uids (key)
	 */
	public function getDisplayNames($search = '', $limit = null, $offset = null) {
		//we do it just as the /OC_User implementation: do not play around with limit and offset but ask all backends
		$users = array();
		foreach($this->backends as $backend) {
			$backendUsers = $backend->getDisplayNames($search, $limit, $offset);
			if (is_array($backendUsers)) {
				$users = $users + $backendUsers;
			}
		}
		return $users;
	}

	/**
	 * delete a user
	 * @param string $uid The username of the user to delete
	 * @return bool
	 *
	 * Deletes a user
	 */
	public function deleteUser($uid) {
		return $this->handleRequest($uid, 'deleteUser', array($uid));
	}
	
	/**
	 * Set password
	 * @param string $uid The username
	 * @param string $password The new password
	 * @return bool
	 *
	 */
	public function setPassword($uid, $password) {
		return $this->handleRequest($uid, 'setPassword', array($uid, $password));
	}

	/**
	 * @return bool
	 */
	public function hasUserListings() {
		return $this->refBackend->hasUserListings();
	}

	/**
	 * Count the number of users
	 * @return int|bool
	 */
	public function countUsers() {
		$users = false;
		foreach($this->backends as $backend) {
			$backendUsers = $backend->countUsers();
			if ($backendUsers !== false) {
				$users += $backendUsers;
			}
		}
		return $users;
	}

	/**
	 * Return access for LDAP interaction.
	 * @param string $uid
	 * @return Access instance of Access for LDAP interaction
	 */
	public function getLDAPAccess($uid) {
		return $this->handleRequest($uid, 'getLDAPAccess', array($uid));

	}
	
	/**
	 * Return a new LDAP connection for the specified user.
	 * The connection needs to be closed manually.
	 * @param string $uid
	 * @return resource of the LDAP connection
	 */
	public function getNewLDAPConnection($uid) {
		return $this->handleRequest($uid, 'getNewLDAPConnection', array($uid));

	}

	/**
	 * Creates a new user in LDAP
	 * @param $username
	 * @param $password
	 * @return bool
	 */
	public function createUser($username, $password) {
		return $this->handleRequest($username, 'createUser', array($username,$password));
	}
}


1			<?php
2			/**
3			* @copyright Copyright (c) 2016, ownCloud, Inc.
4			*
5			* @author Arthur Schiwon <[email protected]>
6			* @author Christopher Schäpers <[email protected]>
7			* @author Joas Schilling <[email protected]>
8			* @author Lukas Reschke <[email protected]>
9			* @author Morris Jobke <[email protected]>
10			* @author Robin McCorkell <[email protected]>
11			* @author Roger Szabo <[email protected]>
12			* @author root <[email protected]>
13			* @author Thomas Müller <[email protected]>
14			* @author Vinicius Cubas Brand <[email protected]>
15			*
16			* @license AGPL-3.0
17			*
18			* This code is free software: you can redistribute it and/or modify
19			* it under the terms of the GNU Affero General Public License, version 3,
20			* as published by the Free Software Foundation.
21			*
22			* This program is distributed in the hope that it will be useful,
23			* but WITHOUT ANY WARRANTY; without even the implied warranty of
24			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25			* GNU Affero General Public License for more details.
26			*
27			* You should have received a copy of the GNU Affero General Public License, version 3,
28			* along with this program. If not, see <http://www.gnu.org/licenses/>
29			*
30			*/
31
32			namespace OCA\User_LDAP;
33
34			use OCA\User_LDAP\User\User;
35			use OCP\IConfig;
36			use OCP\IUserSession;
37			use OCP\Notification\IManager as INotificationManager;
38
39			class User_Proxy extends Proxy implements \OCP\IUserBackend, \OCP\UserInterface, IUserLDAP {
40			private $backends = [];
41			/** @var User_LDAP */
42			private $refBackend = null;
43
44			/**
45			* Constructor
46			*
47			* @param array $serverConfigPrefixes array containing the config Prefixes
48			* @param ILDAPWrapper $ldap
49			* @param IConfig $ocConfig
50			* @param INotificationManager $notificationManager
51			* @param IUserSession $userSession
52			*/
53			public function __construct(
54			array $serverConfigPrefixes,
55			ILDAPWrapper $ldap,
56			IConfig $ocConfig,
57			INotificationManager $notificationManager,
58			IUserSession $userSession,
59			UserPluginManager $userPluginManager
60			) {
61			parent::__construct($ldap);
62			foreach($serverConfigPrefixes as $configPrefix) {
63			$this->backends[$configPrefix] =
64			new User_LDAP($this->getAccess($configPrefix), $ocConfig, $notificationManager, $userSession, $userPluginManager);
65
66			if(is_null($this->refBackend)) {
67			$this->refBackend = &$this->backends[$configPrefix];
68			}
69			}
70			}
71
72			/**
73			* Tries the backends one after the other until a positive result is returned from the specified method
74			* @param string $uid the uid connected to the request
75			* @param string $method the method of the user backend that shall be called
76			* @param array $parameters an array of parameters to be passed
77			* @return mixed the result of the method or false
78			*/
79			protected function walkBackends($uid, $method, $parameters) {
80			$cacheKey = $this->getUserCacheKey($uid);
81			foreach($this->backends as $configPrefix => $backend) {
82			$instance = $backend;
83			if(!method_exists($instance, $method)
84			&& method_exists($this->getAccess($configPrefix), $method)) {
85			$instance = $this->getAccess($configPrefix);
86			}
87			if($result = call_user_func_array(array($instance, $method), $parameters)) {
88			$this->writeToCache($cacheKey, $configPrefix);
89			return $result;
90			}
91			}
92			return false;
93			}
94
95			/**
96			* Asks the backend connected to the server that supposely takes care of the uid from the request.
97			* @param string $uid the uid connected to the request
98			* @param string $method the method of the user backend that shall be called
99			* @param array $parameters an array of parameters to be passed
100			* @param mixed $passOnWhen the result matches this variable
101			* @return mixed the result of the method or false
102			*/
103			protected function callOnLastSeenOn($uid, $method, $parameters, $passOnWhen) {
104			$cacheKey = $this->getUserCacheKey($uid);
105			$prefix = $this->getFromCache($cacheKey);
106			//in case the uid has been found in the past, try this stored connection first
107			if(!is_null($prefix)) {
108			if(isset($this->backends[$prefix])) {
109			$instance = $this->backends[$prefix];
110			if(!method_exists($instance, $method)
111			&& method_exists($this->getAccess($prefix), $method)) {
112			$instance = $this->getAccess($prefix);
113			}
114			$result = call_user_func_array([$instance, $method], $parameters);
115			if($result === $passOnWhen) {
116			//not found here, reset cache to null if user vanished
117			//because sometimes methods return false with a reason
118			$userExists = call_user_func_array(
119			[$this->backends[$prefix], 'userExistsOnLDAP'],
120			[$uid]
121			);
122			if(!$userExists) {
123			$this->writeToCache($cacheKey, null);
124			}
125			}
126			return $result;
127			}
128			}
129			return false;
130			}
131
132			/**
133			* Check if backend implements actions
134			* @param int $actions bitwise-or'ed actions
135			* @return boolean
136			*
137			* Returns the supported actions as int to be
138			* compared with \OC\User\Backend::CREATE_USER etc.
139			*/
140			public function implementsActions($actions) {
141			//it's the same across all our user backends obviously
142			return $this->refBackend->implementsActions($actions);
143			}
144
145			/**
146			* Backend name to be shown in user management
147			* @return string the name of the backend to be shown
148			*/
149			public function getBackendName() {
150			return $this->refBackend->getBackendName();
151			}
152
153			/**
154			* Get a list of all users
155			*
156			* @param string $search
157			* @param null\|int $limit
158			* @param null\|int $offset
159			* @return string[] an array of all uids
160			*/
161			public function getUsers($search = '', $limit = 10, $offset = 0) {
162			//we do it just as the /OC_User implementation: do not play around with limit and offset but ask all backends
163			$users = array();
164			foreach($this->backends as $backend) {
165			$backendUsers = $backend->getUsers($search, $limit, $offset);
166			if (is_array($backendUsers)) {
167			$users = array_merge($users, $backendUsers);
168			}
169			}
170			return $users;
171			}
172
173			/**
174			* check if a user exists
175			* @param string $uid the username
176			* @return boolean
177			*/
178			public function userExists($uid) {
179			$existsOnLDAP = false;
180			$existsLocally = $this->handleRequest($uid, 'userExists', array($uid));
181			if($existsLocally) {
182			$existsOnLDAP = $this->userExistsOnLDAP($uid);
183			}
184			if($existsLocally && !$existsOnLDAP) {
185			try {
186			$user = $this->getLDAPAccess($uid)->userManager->get($uid);
187			if($user instanceof User) {
188			$user->markUser();
189			}
190			} catch (\Exception $e) {
191			// ignore
192			}
193			}
194			return $existsLocally;
195			}
196
197			/**
198			* check if a user exists on LDAP
199			* @param string\|\OCA\User_LDAP\User\User $user either the Nextcloud user
200			* name or an instance of that user
201			* @return boolean
202			*/
203			public function userExistsOnLDAP($user) {
204			$id = ($user instanceof User) ? $user->getUsername() : $user;
205			return $this->handleRequest($id, 'userExistsOnLDAP', array($user));
206			}
207
208			/**
209			* Check if the password is correct
210			* @param string $uid The username
211			* @param string $password The password
212			* @return bool
213			*
214			* Check if the password is correct without logging in the user
215			*/
216			public function checkPassword($uid, $password) {
217			return $this->handleRequest($uid, 'checkPassword', array($uid, $password));
218			}
219
220			/**
221			* returns the username for the given login name, if available
222			*
223			* @param string $loginName
224			* @return string\|false
225			*/
226			public function loginName2UserName($loginName) {
227			$id = 'LOGINNAME,' . $loginName;
228			return $this->handleRequest($id, 'loginName2UserName', array($loginName));
229			}
230
231			/**
232			* returns the username for the given LDAP DN, if available
233			*
234			* @param string $dn
235			* @return string\|false with the username
236			*/
237			public function dn2UserName($dn) {
238			$id = 'DN,' . $dn;
239			return $this->handleRequest($id, 'dn2UserName', array($dn));
240			}
241
242			/**
243			* get the user's home directory
244			* @param string $uid the username
245			* @return boolean
246			*/
247			public function getHome($uid) {
248			return $this->handleRequest($uid, 'getHome', array($uid));
249			}
250
251			/**
252			* get display name of the user
253			* @param string $uid user ID of the user
254			* @return string display name
255			*/
256			public function getDisplayName($uid) {
257			return $this->handleRequest($uid, 'getDisplayName', array($uid));
			0 ignored issues – show Bug Best Practice introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The expression `return $this->handleRequ...playName', array($uid))` could also return `false` which is incompatible with the documented return type `string`. Did you maybe forget to handle an error condition? If the returned type also contains false, it is an indicator that maybe an error condition leading to the specific return statement remains unhandled. Loading history...
258			}
259
260			/**
261			* set display name of the user
262			*
263			* @param string $uid user ID of the user
264			* @param string $displayName new display name
265			* @return string display name
266			*/
267			public function setDisplayName($uid, $displayName) {
268			return $this->handleRequest($uid, 'setDisplayName', array($uid, $displayName));
			0 ignored issues – show Bug Best Practice introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The expression `return $this->handleRequ...ay($uid, $displayName))` could also return `false` which is incompatible with the documented return type `string`. Did you maybe forget to handle an error condition? If the returned type also contains false, it is an indicator that maybe an error condition leading to the specific return statement remains unhandled. Loading history...
269			}
270
271			/**
272			* checks whether the user is allowed to change his avatar in Nextcloud
273			* @param string $uid the Nextcloud user name
274			* @return boolean either the user can or cannot
275			*/
276			public function canChangeAvatar($uid) {
277			return $this->handleRequest($uid, 'canChangeAvatar', [$uid], true);
278			}
279
280			/**
281			* Get a list of all display names and user ids.
282			* @param string $search
283			* @param string\|null $limit
284			* @param string\|null $offset
285			* @return array an array of all displayNames (value) and the corresponding uids (key)
286			*/
287			public function getDisplayNames($search = '', $limit = null, $offset = null) {
288			//we do it just as the /OC_User implementation: do not play around with limit and offset but ask all backends
289			$users = array();
290			foreach($this->backends as $backend) {
291			$backendUsers = $backend->getDisplayNames($search, $limit, $offset);
292			if (is_array($backendUsers)) {
293			$users = $users + $backendUsers;
294			}
295			}
296			return $users;
297			}
298
299			/**
300			* delete a user
301			* @param string $uid The username of the user to delete
302			* @return bool
303			*
304			* Deletes a user
305			*/
306			public function deleteUser($uid) {
307			return $this->handleRequest($uid, 'deleteUser', array($uid));
308			}
309
310			/**
311			* Set password
312			* @param string $uid The username
313			* @param string $password The new password
314			* @return bool
315			*
316			*/
317			public function setPassword($uid, $password) {
318			return $this->handleRequest($uid, 'setPassword', array($uid, $password));
319			}
320
321			/**
322			* @return bool
323			*/
324			public function hasUserListings() {
325			return $this->refBackend->hasUserListings();
326			}
327
328			/**
329			* Count the number of users
330			* @return int\|bool
331			*/
332			public function countUsers() {
333			$users = false;
334			foreach($this->backends as $backend) {
335			$backendUsers = $backend->countUsers();
336			if ($backendUsers !== false) {
337			$users += $backendUsers;
338			}
339			}
340			return $users;
341			}
342
343			/**
344			* Return access for LDAP interaction.
345			* @param string $uid
346			* @return Access instance of Access for LDAP interaction
347			*/
348			public function getLDAPAccess($uid) {
349			return $this->handleRequest($uid, 'getLDAPAccess', array($uid));
			0 ignored issues – show Bug Best Practice introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The expression `return $this->handleRequ...APAccess', array($uid))` could also return `false` which is incompatible with the documented return type `OCA\User_LDAP\Access`. Did you maybe forget to handle an error condition? If the returned type also contains false, it is an indicator that maybe an error condition leading to the specific return statement remains unhandled. Loading history...
350			}
351
352			/**
353			* Return a new LDAP connection for the specified user.
354			* The connection needs to be closed manually.
355			* @param string $uid
356			* @return resource of the LDAP connection
357			*/
358			public function getNewLDAPConnection($uid) {
359			return $this->handleRequest($uid, 'getNewLDAPConnection', array($uid));
			0 ignored issues – show Bug Best Practice introduced 2018-10-24 12:40 UTC by Report Bug Copy Issue Report The expression `return $this->handleRequ...nnection', array($uid))` could also return `false` which is incompatible with the documented return type `resource`. Did you maybe forget to handle an error condition? If the returned type also contains false, it is an indicator that maybe an error condition leading to the specific return statement remains unhandled. Loading history...
360			}
361
362			/**
363			* Creates a new user in LDAP
364			* @param $username
365			* @param $password
366			* @return bool
367			*/
368			public function createUser($username, $password) {
369			return $this->handleRequest($username, 'createUser', array($username,$password));
370			}
371			}
372

nextcloud / server

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User_Proxy::getHome() A

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