Management::del() - Code Metrics - Inspection of "Never create guest session when deleting one (new..." - nazar-pc/CleverStyle-Framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8e5c84...4079f3 )

by Nazar

created 2016-09-05 11:57 UTC

Management::del() B

↳ Parent: Management

Complexity

Conditions	6
Paths	18

Size

Total Lines	30
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	19
CRAP Score	6

Importance

Changes	1
Bugs	1	Features	0

Metric	Value
cc	6
eloc	19
c	1
b	1
f	0
nc	18
nop	1
dl	0
loc	30
ccs	19
cts	19
cp	1
crap	6
rs	8.439

<?php
/**
 * @package   CleverStyle Framework
 * @author    Nazar Mokrynskyi <[email protected]>
 * @copyright Copyright (c) 2011-2016, Nazar Mokrynskyi
 * @license   MIT License, see license.txt
 */
namespace cs\Session;
use
	cs\Config,
	cs\Event,
	cs\Language,
	cs\Page,
	cs\Request,
	cs\Response,
	cs\User;

/**
 * @method \cs\DB\_Abstract db()
 * @method \cs\DB\_Abstract db_prime()
 */
trait Management {
	/**
	 * Id of current session
	 *
	 * @var false|string
	 */
	protected $session_id;
	/**
	 * User id of current session
	 *
	 * @var int
	 */
	protected $user_id;
	/**
	 * @var bool
	 */
	protected $is_admin;
	/**
	 * @var bool
	 */
	protected $is_user;
	/**
	 * @var bool
	 */
	protected $is_guest;
	/**
	 * Use cookie as source of session id, load session
	 */
	protected function init_session () {
		$Request = Request::instance();
		/**
		 * If session exists
		 */
		if ($Request->cookie('session')) {
			$this->user_id = $this->load();
		}
		$this->update_user_is();
	}
	/**
	 * Updates information about who is user accessed by methods ::guest() ::user() admin()
	 */
	protected function update_user_is () {
		$this->is_guest = $this->user_id == User::GUEST_ID;
		$this->is_user  = false;
		$this->is_admin = false;
		if ($this->is_guest) {
			return;
		}
		/**
		 * Checking of user type
		 */
		$groups = User::instance()->get_groups($this->user_id) ?: [];
		if (in_array(User::ADMIN_GROUP_ID, $groups)) {
			$this->is_admin = true;
			$this->is_user  = true;
		} elseif (in_array(User::USER_GROUP_ID, $groups)) {
			$this->is_user = true;
		}
	}
	/**
	 * Is admin
	 *
	 * @return bool
	 */
	public function admin () {
		return $this->is_admin;
	}
	/**
	 * Is user
	 *
	 * @return bool
	 */
	public function user () {
		return $this->is_user;
	}
	/**
	 * Is guest
	 *
	 * @return bool
	 */
	public function guest () {
		return $this->is_guest;
	}
	/**
	 * Returns id of current session
	 *
	 * @return false|string
	 */
	public function get_id () {
		return $this->session_id ?: false;
	}
	/**
	 * Returns user id of current session
	 *
	 * @return int
	 */
	public function get_user () {
		return $this->user_id;
	}
	/**
	 * Returns session details by session id
	 *
	 * @param false|null|string $session_id If `null` - loaded from `$this->session_id`, and if that also empty - from cookies
	 *
	 * @return false|array
	 */
	public function get ($session_id) {
		$session_data = $this->get_internal($session_id);
		unset($session_data['data']);
		return $session_data;
	}
	/**
	 * @param false|null|string $session_id
	 *
	 * @return false|array
	 */
	protected function get_internal ($session_id) {
		if (!$session_id) {
			if (!$this->session_id) {
				$this->session_id = Request::instance()->cookie('session');
			}
			$session_id = $this->session_id;
		}
		if (!is_md5($session_id)) {
			return false;
		}
		$data = $this->cache->get(
			$session_id,
			function () use ($session_id) {
				$data = $this->read($session_id);
				if (!$data || $data['expire'] <= time()) {
					return false;
				}
				$data['data'] = $data['data'] ?: [];
				return $data;
			}
		);
		return $this->is_good_session($data) ? $data : false;
	}
	/**
	 * Check whether session was not expired, user agent and IP corresponds to what is expected and user is actually active
	 *
	 * @param mixed $session_data
	 *
	 * @return bool
	 */
	protected function is_good_session ($session_data) {
		return
			isset($session_data['expire'], $session_data['user']) &&
			$session_data['expire'] > time() &&
			$this->is_user_active($session_data['user']);
	}
	/**
	 * Whether session data belongs to current visitor (user agent, remote addr and ip check)
	 *
	 * @param string $session_id
	 * @param string $user_agent
	 * @param string $remote_addr
	 * @param string $ip
	 *
	 * @return bool
	 */
	public function is_session_owner ($session_id, $user_agent, $remote_addr, $ip) {
		$session_data = $this->get($session_id);
		return $session_data ? $this->is_session_owner_internal($session_data, $user_agent, $remote_addr, $ip) : false;
	}
	/**
	 * Whether session data belongs to current visitor (user agent, remote addr and ip check)
	 *
	 * @param array       $session_data
	 * @param string|null $user_agent
	 * @param string|null $remote_addr
	 * @param string|null $ip
	 *
	 * @return bool
	 */
	protected function is_session_owner_internal ($session_data, $user_agent = null, $remote_addr = null, $ip = null) {
		/**
		 * md5() as protection against timing attacks
		 */
		if ($user_agent === null && $remote_addr === null && $ip === null) {
			$Request     = Request::instance();
			$user_agent  = $Request->header('user-agent');
			$remote_addr = $Request->remote_addr;
			$ip          = $Request->ip;
		}
		return
			md5($session_data['user_agent']) == md5($user_agent) &&
			(
				!Config::instance()->core['remember_user_ip'] ||
				(
					md5($session_data['remote_addr']) == md5(ip2hex($remote_addr)) &&
					md5($session_data['ip']) == md5(ip2hex($ip))
				)
			);
	}
	/**
	 * Load session by id and return id of session owner (user), update session expiration
	 *
	 * @param false|null|string $session_id If not specified - loaded from `$this->session_id`, and if that also empty - from cookies
	 *
	 * @return int User id
	 */
	public function load ($session_id = null) {
		$session_data = $this->get_internal($session_id);
		if (!$session_data || !$this->is_session_owner_internal($session_data)) {
			$this->add(User::GUEST_ID);
			return User::GUEST_ID;
		}
		/**
		 * Updating last online time and ip
		 */
		$Config = Config::instance();
		$time   = time();
		if ($session_data['expire'] - $time < $Config->core['session_expire'] * $Config->core['update_ratio'] / 100) {
			$session_data['expire'] = $time + $Config->core['session_expire'];
			$this->update($session_data);
			$this->cache->set($session_data['id'], $session_data);
			Response::instance()->cookie('session', $session_data['id'], $session_data['expire'], true);
		}
		unset($session_data['data']);
		Event::instance()->fire(
			'System/Session/load',
			[
				'session_data' => $session_data
			]
		);
		return $this->load_initialization($session_data['id'], $session_data['user']);
	}
	/**
	 * Initialize session (set user id, session id and update who user is)
	 *
	 * @param string $session_id
	 * @param int    $user_id
	 *
	 * @return int User id
	 */
	protected function load_initialization ($session_id, $user_id) {
		$this->session_id = $session_id;
		$this->user_id    = $user_id;
		$this->update_user_is();
		return $user_id;
	}
	/**
	 * Whether profile is activated, not disabled and not blocked
	 *
	 * @param int $user
	 *
	 * @return bool
	 */
	protected function is_user_active ($user) {
		/**
		 * Optimization, more data requested than actually used here, because data will be requested later, and it would be nice to have that data cached
		 */
		$data = User::instance()->get(
			[
				'login',
				'username',
				'language',
				'timezone',
				'status',
				'block_until',
				'avatar'
			],
			$user
		);
		if (!$data) {
			return false;
		}
		$L    = Language::prefix('system_profile_sign_in_');
		$Page = Page::instance();
		switch ($data['status']) {
			case User::STATUS_INACTIVE:
				/**
				 * If user is disabled
				 */
				$Page->warning($L->your_account_disabled);
				return false;
			case User::STATUS_NOT_ACTIVATED:
				/**
				 * If user is not active
				 */
				$Page->warning($L->your_account_is_not_active);
				return false;
		}
		if ($data['block_until'] > time()) {
			/**
			 * If user if blocked
			 */
			$Page->warning($L->your_account_blocked_until(date($L->_datetime, $data['block_until'])));
			return false;
		}
		return true;
	}
	/**
	 * Create the session for the user with specified id
	 *
	 * @param int  $user
	 * @param bool $delete_current_session
	 *
	 * @return false|string Session id on success, `false` otherwise
	 */
	public function add ($user, $delete_current_session = true) {
		$user = (int)$user ?: User::GUEST_ID;
		if ($delete_current_session && is_md5($this->session_id)) {
			$this->del($this->session_id);
		}
		if (!$this->is_user_active($user)) {
			/**
			 * If data was not loaded or account is not active - create guest session
			 */
			return $this->add(User::GUEST_ID);
		}
		$session_data = $this->create_unique_session($user);
		Response::instance()->cookie('session', $session_data['id'], $session_data['expire'], true);
		$this->load_initialization($session_data['id'], $session_data['user']);
		/**
		 * Delete old sessions using probability and system configuration of inserts limits and update ratio
		 */
		$Config = Config::instance();
		if (mt_rand(0, $Config->core['inserts_limit']) < $Config->core['inserts_limit'] / 100 * (100 - $Config->core['update_ratio']) / 5) {
			$this->delete_old_sessions();
		}
		Event::instance()->fire(
			'System/Session/add',
			[
				'session_data' => $session_data
			]
		);
		return $session_data['id'];
	}
	/**
	 * @param int $user
	 *
	 * @return array Session data
	 */
	protected function create_unique_session ($user) {
		$Config      = Config::instance();
		$Request     = Request::instance();
		$remote_addr = ip2hex($Request->remote_addr);
		$ip          = ip2hex($Request->ip);
		/**
		 * Many guests open only one page (or do not store any cookies), so create guest session only for 5 minutes max initially
		 */
		$expire_in = $user == User::GUEST_ID ? min($Config->core['session_expire'], self::INITIAL_SESSION_EXPIRATION) : $Config->core['session_expire'];
		$expire    = time() + $expire_in;
		/**
		 * Create unique session
		 */
		$session_data = [
			'id'          => null,
			'user'        => $user,
			'created'     => time(),
			'expire'      => $expire,
			'user_agent'  => $Request->header('user-agent'),
			'remote_addr' => $remote_addr,
			'ip'          => $ip,
			'data'        => []
		];
		do {
			$session_data['id'] = md5(random_bytes(1000));
		} while (!$this->create($session_data));
		return $session_data;
	}
	/**
	 * Destroying of the session
	 *
	 * @param null|string $session_id
	 *
	 * @return bool
	 */
	public function del ($session_id = null) {
		$session_id = $session_id ?: $this->session_id;
		if (!is_md5($session_id)) {
			return false;
		}
		Event::instance()->fire(
			'System/Session/del/before',
			[
				'id' => $session_id
			]
		);
		$this->cache->del($session_id);
		if ($session_id == $this->session_id) {
			$this->session_id = false;
			$this->user_id    = User::GUEST_ID;
		}
		if (Request::instance()->cookie('session') === $session_id) {
			Response::instance()->cookie('session', '');
		}
		$result = $this->delete($session_id);
		if ($result) {
			Event::instance()->fire(
				'System/Session/del/after',
				[
					'id' => $session_id
				]
			);
		}
		return (bool)$result;
	}
	/**
	 * Delete all old sessions from DB
	 */
	protected function delete_old_sessions () {
		$this->db_prime()->q(
			'DELETE FROM `[prefix]sessions`
			WHERE `expire` < '.time()
		);
	}
	/**
	 * Deletion of all user sessions
	 *
	 * @param false|int $user If not specified - current user assumed
	 *
	 * @return bool
	 */
	public function del_all ($user = false) {
		$user = (int)$user ?: $this->user_id;
		if ($user == User::GUEST_ID) {
			return false;
		}
		Event::instance()->fire(
			'System/Session/del_all',
			[
				'id' => $user
			]
		);
		$cdb   = $this->db_prime();
		$query =
			"SELECT `id`
			FROM `[prefix]sessions`
			WHERE `user` = '$user'";
		while ($session = $cdb->qfs($query)) {
			if (!$this->del($session)) {
				return false;
			}
		}
		return true;
	}
}


1		<?php
2		/**
3		* @package CleverStyle Framework
4		* @author Nazar Mokrynskyi <[email protected]>
5		* @copyright Copyright (c) 2011-2016, Nazar Mokrynskyi
6		* @license MIT License, see license.txt
7		*/
8		namespace cs\Session;
9		use
10		cs\Config,
11		cs\Event,
12		cs\Language,
13		cs\Page,
14		cs\Request,
15		cs\Response,
16		cs\User;
17
18		/**
19		* @method \cs\DB\_Abstract db()
20		* @method \cs\DB\_Abstract db_prime()
21		*/
22		trait Management {
23		/**
24		* Id of current session
25		*
26		* @var false\|string
27		*/
28		protected $session_id;
29		/**
30		* User id of current session
31		*
32		* @var int
33		*/
34		protected $user_id;
35		/**
36		* @var bool
37		*/
38		protected $is_admin;
39		/**
40		* @var bool
41		*/
42		protected $is_user;
43		/**
44		* @var bool
45		*/
46		protected $is_guest;
47		/**
48		* Use cookie as source of session id, load session
49		*/
50	30	protected function init_session () {
51	30	$Request = Request::instance();
52		/**
53		* If session exists
54		*/
55	30	if ($Request->cookie('session')) {
56	2	$this->user_id = $this->load();
57		}
58	30	$this->update_user_is();
59	30	}
60		/**
61		* Updates information about who is user accessed by methods ::guest() ::user() admin()
62		*/
63	30	protected function update_user_is () {
64	30	$this->is_guest = $this->user_id == User::GUEST_ID;
65	30	$this->is_user = false;
66	30	$this->is_admin = false;
67	30	if ($this->is_guest) {
68	30	return;
69		}
70		/**
71		* Checking of user type
72		*/
73	22	$groups = User::instance()->get_groups($this->user_id) ?: [];
74	22	if (in_array(User::ADMIN_GROUP_ID, $groups)) {
75	8	$this->is_admin = true;
76	8	$this->is_user = true;
77	16	} elseif (in_array(User::USER_GROUP_ID, $groups)) {
78	16	$this->is_user = true;
79		}
80	22	}
81		/**
82		* Is admin
83		*
84		* @return bool
85		*/
86	10	public function admin () {
87	10	return $this->is_admin;
88		}
89		/**
90		* Is user
91		*
92		* @return bool
93		*/
94	2	public function user () {
95	2	return $this->is_user;
96		}
97		/**
98		* Is guest
99		*
100		* @return bool
101		*/
102	8	public function guest () {
103	8	return $this->is_guest;
104		}
105		/**
106		* Returns id of current session
107		*
108		* @return false\|string
109		*/
110	26	public function get_id () {
111	26	return $this->session_id ?: false;
112		}
113		/**
114		* Returns user id of current session
115		*
116		* @return int
117		*/
118	30	public function get_user () {
119	30	return $this->user_id;
120		}
121		/**
122		* Returns session details by session id
123		*
124		* @param false\|null\|string $session_id If `null` - loaded from `$this->session_id`, and if that also empty - from cookies
125		*
126		* @return false\|array
127		*/
128	2	public function get ($session_id) {
129	2	$session_data = $this->get_internal($session_id);
130	2	unset($session_data['data']);
131	2	return $session_data;
132		}
133		/**
134		* @param false\|null\|string $session_id
135		*
136		* @return false\|array
137		*/
138	4	protected function get_internal ($session_id) {
139	4	if (!$session_id) {
140	4	if (!$this->session_id) {
141	4	$this->session_id = Request::instance()->cookie('session');
142		}
143	4	$session_id = $this->session_id;
144		}
145	4	if (!is_md5($session_id)) {
146	4	return false;
147		}
148	4	$data = $this->cache->get(
149		$session_id,
150	4	function () use ($session_id) {
151	4	$data = $this->read($session_id);
152	4	if (!$data \|\| $data['expire'] <= time()) {
153	2	return false;
154		}
155	4	$data['data'] = $data['data'] ?: [];
156	4	return $data;
157	4	}
158		);
159	4	return $this->is_good_session($data) ? $data : false;
160		}
161		/**
162		* Check whether session was not expired, user agent and IP corresponds to what is expected and user is actually active
163		*
164		* @param mixed $session_data
165		*
166		* @return bool
167		*/
168	4	protected function is_good_session ($session_data) {
169		return
170	4	isset($session_data['expire'], $session_data['user']) &&
171	4	$session_data['expire'] > time() &&
172	4	$this->is_user_active($session_data['user']);
173		}
174		/**
175		* Whether session data belongs to current visitor (user agent, remote addr and ip check)
176		*
177		* @param string $session_id
178		* @param string $user_agent
179		* @param string $remote_addr
180		* @param string $ip
181		*
182		* @return bool
183		*/
184	2	public function is_session_owner ($session_id, $user_agent, $remote_addr, $ip) {
185	2	$session_data = $this->get($session_id);
186	2	return $session_data ? $this->is_session_owner_internal($session_data, $user_agent, $remote_addr, $ip) : false;
187		}
188		/**
189		* Whether session data belongs to current visitor (user agent, remote addr and ip check)
190		*
191		* @param array $session_data
192		* @param string\|null $user_agent
193		* @param string\|null $remote_addr
194		* @param string\|null $ip
195		*
196		* @return bool
197		*/
198	2	protected function is_session_owner_internal ($session_data, $user_agent = null, $remote_addr = null, $ip = null) {
199		/**
200		* md5() as protection against timing attacks
201		*/
202	2	if ($user_agent === null && $remote_addr === null && $ip === null) {
203	2	$Request = Request::instance();
204	2	$user_agent = $Request->header('user-agent');
205	2	$remote_addr = $Request->remote_addr;
206	2	$ip = $Request->ip;
207		}
208		return
209	2	md5($session_data['user_agent']) == md5($user_agent) &&
210		(
211	2	!Config::instance()->core['remember_user_ip'] \|\|
212		(
213	2	md5($session_data['remote_addr']) == md5(ip2hex($remote_addr)) &&
214	2	md5($session_data['ip']) == md5(ip2hex($ip))
215		)
216		);
217		}
218		/**
219		* Load session by id and return id of session owner (user), update session expiration
220		*
221		* @param false\|null\|string $session_id If not specified - loaded from `$this->session_id`, and if that also empty - from cookies
222		*
223		* @return int User id
224		*/
225	2	public function load ($session_id = null) {
226	2	$session_data = $this->get_internal($session_id);
227	2	if (!$session_data \|\| !$this->is_session_owner_internal($session_data)) {
228	2	$this->add(User::GUEST_ID);
229	2	return User::GUEST_ID;
230		}
231		/**
232		* Updating last online time and ip
233		*/
234	2	$Config = Config::instance();
235	2	$time = time();
236	2	if ($session_data['expire'] - $time < $Config->core['session_expire'] * $Config->core['update_ratio'] / 100) {
237	2	$session_data['expire'] = $time + $Config->core['session_expire'];
238	2	$this->update($session_data);
239	2	$this->cache->set($session_data['id'], $session_data);
240	2	Response::instance()->cookie('session', $session_data['id'], $session_data['expire'], true);
241		}
242	2	unset($session_data['data']);
243	2	Event::instance()->fire(
244	2	'System/Session/load',
245		[
246	2	'session_data' => $session_data
247		]
248		);
249	2	return $this->load_initialization($session_data['id'], $session_data['user']);
250		}
251		/**
252		* Initialize session (set user id, session id and update who user is)
253		*
254		* @param string $session_id
255		* @param int $user_id
256		*
257		* @return int User id
258		*/
259	22	protected function load_initialization ($session_id, $user_id) {
260	22	$this->session_id = $session_id;
261	22	$this->user_id = $user_id;
262	22	$this->update_user_is();
263	22	return $user_id;
264		}
265		/**
266		* Whether profile is activated, not disabled and not blocked
267		*
268		* @param int $user
269		*
270		* @return bool
271		*/
272	22	protected function is_user_active ($user) {
273		/**
274		* Optimization, more data requested than actually used here, because data will be requested later, and it would be nice to have that data cached
275		*/
276	22	$data = User::instance()->get(
277		[
278	22	'login',
279		'username',
280		'language',
281		'timezone',
282		'status',
283		'block_until',
284		'avatar'
285		],
286		$user
287		);
288	22	if (!$data) {
289	2	return false;
290		}
291	22	$L = Language::prefix('system_profile_sign_in_');
292	22	$Page = Page::instance();
293	22	switch ($data['status']) {
294	22	case User::STATUS_INACTIVE:
295		/**
296		* If user is disabled
297		*/
298	4	$Page->warning($L->your_account_disabled);
299	4	return false;
300	22	case User::STATUS_NOT_ACTIVATED:
301		/**
302		* If user is not active
303		*/
304	2	$Page->warning($L->your_account_is_not_active);
305	2	return false;
306		}
307	22	if ($data['block_until'] > time()) {
308		/**
309		* If user if blocked
310		*/
311	2	$Page->warning($L->your_account_blocked_until(date($L->_datetime, $data['block_until'])));
312	2	return false;
313		}
314	22	return true;
315		}
316		/**
317		* Create the session for the user with specified id
318		*
319		* @param int $user
320		* @param bool $delete_current_session
321		*
322		* @return false\|string Session id on success, `false` otherwise
323		*/
324	22	public function add ($user, $delete_current_session = true) {
325	22	$user = (int)$user ?: User::GUEST_ID;
326	22	if ($delete_current_session && is_md5($this->session_id)) {
327	4	$this->del($this->session_id);
328		}
329	22	if (!$this->is_user_active($user)) {
330		/**
331		* If data was not loaded or account is not active - create guest session
332		*/
333	4	return $this->add(User::GUEST_ID);
334		}
335	22	$session_data = $this->create_unique_session($user);
336	22	Response::instance()->cookie('session', $session_data['id'], $session_data['expire'], true);
337	22	$this->load_initialization($session_data['id'], $session_data['user']);
338		/**
339		* Delete old sessions using probability and system configuration of inserts limits and update ratio
340		*/
341	22	$Config = Config::instance();
342	22	if (mt_rand(0, $Config->core['inserts_limit']) < $Config->core['inserts_limit'] / 100 * (100 - $Config->core['update_ratio']) / 5) {
343	4	$this->delete_old_sessions();
344		}
345	22	Event::instance()->fire(
346	22	'System/Session/add',
347		[
348	22	'session_data' => $session_data
349		]
350		);
351	22	return $session_data['id'];
352		}
353		/**
354		* @param int $user
355		*
356		* @return array Session data
357		*/
358	22	protected function create_unique_session ($user) {
359	22	$Config = Config::instance();
360	22	$Request = Request::instance();
361	22	$remote_addr = ip2hex($Request->remote_addr);
362	22	$ip = ip2hex($Request->ip);
363		/**
364		* Many guests open only one page (or do not store any cookies), so create guest session only for 5 minutes max initially
365		*/
366	22	$expire_in = $user == User::GUEST_ID ? min($Config->core['session_expire'], self::INITIAL_SESSION_EXPIRATION) : $Config->core['session_expire'];
367	22	$expire = time() + $expire_in;
368		/**
369		* Create unique session
370		*/
371		$session_data = [
372	22	'id' => null,
373	22	'user' => $user,
374	22	'created' => time(),
375	22	'expire' => $expire,
376	22	'user_agent' => $Request->header('user-agent'),
377	22	'remote_addr' => $remote_addr,
378	22	'ip' => $ip,
379		'data' => []
380		];
381		do {
382	22	$session_data['id'] = md5(random_bytes(1000));
383	22	} while (!$this->create($session_data));
384	22	return $session_data;
385		}
386		/**
387		* Destroying of the session
388		*
389		* @param null\|string $session_id
390		*
391		* @return bool
392		*/
393	10	public function del ($session_id = null) {
394	10	$session_id = $session_id ?: $this->session_id;
395	10	if (!is_md5($session_id)) {
396	2	return false;
397		}
398	10	Event::instance()->fire(
399	10	'System/Session/del/before',
400		[
401	10	'id' => $session_id
402		]
403		);
404	10	$this->cache->del($session_id);
405	10	if ($session_id == $this->session_id) {
406	10	$this->session_id = false;
407	10	$this->user_id = User::GUEST_ID;
408		}
409	10	if (Request::instance()->cookie('session') === $session_id) {
410	10	Response::instance()->cookie('session', '');
411		}
412	10	$result = $this->delete($session_id);
413	10	if ($result) {
414	10	Event::instance()->fire(
415	10	'System/Session/del/after',
416		[
417	10	'id' => $session_id
418		]
419		);
420		}
421	10	return (bool)$result;
422		}
423		/**
424		* Delete all old sessions from DB
425		*/
426	4	protected function delete_old_sessions () {
427	4	$this->db_prime()->q(
428		'DELETE FROM `[prefix]sessions`
429	4	WHERE `expire` < '.time()
430		);
431	4	}
432		/**
433		* Deletion of all user sessions
434		*
435		* @param false\|int $user If not specified - current user assumed
436		*
437		* @return bool
438		*/
439	16	public function del_all ($user = false) {
440	16	$user = (int)$user ?: $this->user_id;
441	16	if ($user == User::GUEST_ID) {
442	2	return false;
443		}
444	16	Event::instance()->fire(
445	16	'System/Session/del_all',
446		[
447	16	'id' => $user
448		]
449		);
450	16	$cdb = $this->db_prime();
451		$query =
452		"SELECT `id`
453		FROM `[prefix]sessions`
454	16	WHERE `user` = '$user'";
455	16	while ($session = $cdb->qfs($query)) {
456	6	if (!$this->del($session)) {
457		return false;
458		}
459		}
460	16	return true;
461		}
462		}
463

nazar-pc / CleverStyle-Framework

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Management::del() B

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