Management::del() - Code Metrics - Inspection of "Tiny fix after update" - nazar-pc/CleverStyle-Framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c55245...5de713 )

by Nazar

created 2016-07-02 12:55 UTC

Management::del() A

↳ Parent: Management

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	1
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?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
	 */
	function admin () {
		return $this->is_admin;
	}
	/**
	 * Is user
	 *
	 * @return bool
	 */
	function user () {
		return $this->is_user;
	}
	/**
	 * Is guest
	 *
	 * @return bool
	 */
	function guest () {
		return $this->is_guest;
	}
	/**
	 * Returns id of current session
	 *
	 * @return false|string
	 */
	function get_id () {
		return $this->session_id ?: false;
	}
	/**
	 * Returns user id of current session
	 *
	 * @return int
	 */
	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
	 */
	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 $ip
	 *
	 * @return bool
	 */
	function is_session_owner ($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
	 */
	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'], $session_data);
		}
		unset($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 $delete_current_session
	 *
	 * @return false|string Session id on success, `false` otherwise
	 */
	function add ($user, $delete_current_session = true) {
		$user = (int)$user;
		if (!$user) {
			return false;
		}
		if ($delete_current_session && is_md5($this->session_id)) {
			$this->del_internal($this->session_id, false);
		}
		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 $session_id
	 *
	 * @return bool
	 */
	function del ($session_id = null) {
		return (bool)$this->del_internal($session_id);
	}
	/**
	 * Deletion of the session
	 *
	 * @param string|null $session_id
	 * @param bool        $create_guest_session
	 *
	 * @return bool
	 */
	protected function del_internal ($session_id = null, $create_guest_session = true) {
		$session_id = $session_id ?: $this->session_id;
		if (!is_md5($session_id)) {
			return false;
		}
		Event::instance()->fire(
			'System/Session/del/before',
			[
				'id' => $session_id
			]
		);
		unset($this->cache->$session_id);
		if ($session_id == $this->session_id) {
			$this->session_id = false;
			$this->user_id    = User::GUEST_ID;
		}
		Response::instance()->cookie('session', '');
		$result = $this->delete($session_id);
		if ($result) {
			if ($create_guest_session) {
				return (bool)$this->add(User::GUEST_ID);
			}
			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 $user If not specified - current user assumed
	 *
	 * @return bool
	 */
	function del_all ($user = false) {
		$user = $user ?: $this->user_id;
		if ($user == User::GUEST_ID) {
			return false;
		}
		Event::instance()->fire(
			'System/Session/del_all',
			[
				'id' => $user
			]
		);
		$sessions = $this->db_prime()->qfas(
			"SELECT `id`
			FROM `[prefix]sessions`
			WHERE `user` = '$user'"
		);
		foreach ($sessions ?: [] as $session) {
			if (!$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	26	protected function init_session () {
51	26	$Request = Request::instance();
52		/**
53		* If session exists
54		*/
55	26	if ($Request->cookie('session')) {
56		$this->user_id = $this->load();
57		}
58	26	$this->update_user_is();
59	26	}
60		/**
61		* Updates information about who is user accessed by methods ::guest() ::user() admin()
62		*/
63	26	protected function update_user_is () {
64	26	$this->is_guest = $this->user_id == User::GUEST_ID;
65	26	$this->is_user = false;
66	26	$this->is_admin = false;
67	26	if ($this->is_guest) {
68	26	return;
69		}
70		/**
71		* Checking of user type
72		*/
73	18	$groups = User::instance()->get_groups($this->user_id) ?: [];
74	18	if (in_array(User::ADMIN_GROUP_ID, $groups)) {
75	4	$this->is_admin = true;
76	4	$this->is_user = true;
77	14	} elseif (in_array(User::USER_GROUP_ID, $groups)) {
78	14	$this->is_user = true;
79		}
80	18	}
81		/**
82		* Is admin
83		*
84		* @return bool
85		*/
86	8	function admin () {
87	8	return $this->is_admin;
88		}
89		/**
90		* Is user
91		*
92		* @return bool
93		*/
94		function user () {
95		return $this->is_user;
96		}
97		/**
98		* Is guest
99		*
100		* @return bool
101		*/
102	6	function guest () {
103	6	return $this->is_guest;
104		}
105		/**
106		* Returns id of current session
107		*
108		* @return false\|string
109		*/
110	22	function get_id () {
111	22	return $this->session_id ?: false;
112		}
113		/**
114		* Returns user id of current session
115		*
116		* @return int
117		*/
118	26	function get_user () {
119	26	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		function get ($session_id) {
129		$session_data = $this->get_internal($session_id);
130		unset($session_data['data']);
131		return $session_data;
132		}
133		/**
134		* @param false\|null\|string $session_id
135		*
136		* @return false\|array
137		*/
138		protected function get_internal ($session_id) {
139		if (!$session_id) {
140		if (!$this->session_id) {
141		$this->session_id = Request::instance()->cookie('session');
142		}
143		$session_id = $this->session_id;
144		}
145		if (!is_md5($session_id)) {
146		return false;
147		}
148		$data = $this->cache->get(
149		$session_id,
150		function () use ($session_id) {
151		$data = $this->read($session_id);
152		if (!$data \|\| $data['expire'] <= time()) {
153		return false;
154		}
155		$data['data'] = $data['data'] ?: [];
156		return $data;
157		}
158		);
159		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 $session_data
165		*
166		* @return bool
167		*/
168		protected function is_good_session ($session_data) {
169		return
170		isset($session_data['expire'], $session_data['user']) &&
171		$session_data['expire'] > time() &&
172		$this->is_user_active($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 $ip
181		*
182		* @return bool
183		*/
184		function is_session_owner ($session_id, $user_agent, $remote_addr, $ip) {
185		$session_data = $this->get($session_id);
186		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 $ip
195		*
196		* @return bool
197		*/
198		protected function is_session_owner_internal ($session_data, $user_agent = null, $remote_addr = null, $ip = null) {
199		/**
200		* md5() as protection against timing attacks
201		*/
202		if ($user_agent === null && $remote_addr === null && $ip === null) {
203		$Request = Request::instance();
204		$user_agent = $Request->header('user-agent');
205		$remote_addr = $Request->remote_addr;
206		$ip = $Request->ip;
207		}
208		return
209		md5($session_data['user_agent']) == md5($user_agent) &&
210		(
211		!Config::instance()->core['remember_user_ip'] \|\|
212		(
213		md5($session_data['remote_addr']) == md5(ip2hex($remote_addr)) &&
214		md5($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		function load ($session_id = null) {
226		$session_data = $this->get_internal($session_id);
227		if (!$session_data \|\| !$this->is_session_owner_internal($session_data)) {
228		$this->add(User::GUEST_ID);
229		return User::GUEST_ID;
230		}
231		/**
232		* Updating last online time and ip
233		*/
234		$Config = Config::instance();
235		$time = time();
236		if ($session_data['expire'] - $time < $Config->core['session_expire'] * $Config->core['update_ratio'] / 100) {
237		$session_data['expire'] = $time + $Config->core['session_expire'];
238		$this->update($session_data);
239		$this->cache->set($session_data['id'], $session_data);
240		}
241		unset($session_data['data']);
242		Event::instance()->fire(
243		'System/Session/load',
244		[
245		'session_data' => $session_data
246		]
247		);
248		return $this->load_initialization($session_data['id'], $session_data['user']);
249		}
250		/**
251		* Initialize session (set user id, session id and update who user is)
252		*
253		* @param string $session_id
254		* @param int $user_id
255		*
256		* @return int User id
257		*/
258	18	protected function load_initialization ($session_id, $user_id) {
259	18	$this->session_id = $session_id;
260	18	$this->user_id = $user_id;
261	18	$this->update_user_is();
262	18	return $user_id;
263		}
264		/**
265		* Whether profile is activated, not disabled and not blocked
266		*
267		* @param int $user
268		*
269		* @return bool
270		*/
271	18	protected function is_user_active ($user) {
272		/**
273		* Optimization, more data requested than actually used here, because data will be requested later, and it would be nice to have that data cached
274		*/
275	18	$data = User::instance()->get(
276		[
277	18	'login',
278		'username',
279		'language',
280		'timezone',
281		'status',
282		'block_until',
283		'avatar'
284		],
285		$user
286		);
287	18	if (!$data) {
288		return false;
289		}
290	18	$L = Language::prefix('system_profile_sign_in_');
291	18	$Page = Page::instance();
292	18	switch ($data['status']) {
293	18	case User::STATUS_INACTIVE:
294		/**
295		* If user is disabled
296		*/
297	2	$Page->warning($L->your_account_disabled);
298	2	return false;
299	18	case User::STATUS_NOT_ACTIVATED:
300		/**
301		* If user is not active
302		*/
303		$Page->warning($L->your_account_is_not_active);
304		return false;
305		}
306	18	if ($data['block_until'] > time()) {
307		/**
308		* If user if blocked
309		*/
310		$Page->warning($L->your_account_blocked_until(date($L->_datetime, $data['block_until'])));
311		return false;
312		}
313	18	return true;
314		}
315		/**
316		* Create the session for the user with specified id
317		*
318		* @param int $user
319		* @param bool $delete_current_session
320		*
321		* @return false\|string Session id on success, `false` otherwise
322		*/
323	18	function add ($user, $delete_current_session = true) {
324	18	$user = (int)$user;
325	18	if (!$user) {
326		return false;
327		}
328	18	if ($delete_current_session && is_md5($this->session_id)) {
329	6	$this->del_internal($this->session_id, false);
330		}
331	18	if (!$this->is_user_active($user)) {
332		/**
333		* If data was not loaded or account is not active - create guest session
334		*/
335	2	return $this->add(User::GUEST_ID);
336		}
337	18	$session_data = $this->create_unique_session($user);
338	18	Response::instance()->cookie('session', $session_data['id'], $session_data['expire'], true);
339	18	$this->load_initialization($session_data['id'], $session_data['user']);
340		/**
341		* Delete old sessions using probability and system configuration of inserts limits and update ratio
342		*/
343	18	$Config = Config::instance();
344	18	if (mt_rand(0, $Config->core['inserts_limit']) < $Config->core['inserts_limit'] / 100 * (100 - $Config->core['update_ratio']) / 5) {
345		$this->delete_old_sessions();
346		}
347	18	Event::instance()->fire(
348	18	'System/Session/add',
349		[
350	18	'session_data' => $session_data
351		]
352		);
353	18	return $session_data['id'];
354		}
355		/**
356		* @param int $user
357		*
358		* @return array Session data
359		*/
360	18	protected function create_unique_session ($user) {
361	18	$Config = Config::instance();
362	18	$Request = Request::instance();
363	18	$remote_addr = ip2hex($Request->remote_addr);
364	18	$ip = ip2hex($Request->ip);
365		/**
366		* Many guests open only one page (or do not store any cookies), so create guest session only for 5 minutes max initially
367		*/
368	18	$expire_in = $user == User::GUEST_ID ? min($Config->core['session_expire'], self::INITIAL_SESSION_EXPIRATION) : $Config->core['session_expire'];
369	18	$expire = time() + $expire_in;
370		/**
371		* Create unique session
372		*/
373		$session_data = [
374	18	'id' => null,
375	18	'user' => $user,
376	18	'created' => time(),
377	18	'expire' => $expire,
378	18	'user_agent' => $Request->header('user-agent'),
379	18	'remote_addr' => $remote_addr,
380	18	'ip' => $ip,
381		'data' => []
382		];
383		do {
384	18	$session_data['id'] = md5(random_bytes(1000));
385	18	} while (!$this->create($session_data));
386	18	return $session_data;
387		}
388		/**
389		* Destroying of the session
390		*
391		* @param null\|string $session_id
392		*
393		* @return bool
394		*/
395	6	function del ($session_id = null) {
396	6	return (bool)$this->del_internal($session_id);
397		}
398		/**
399		* Deletion of the session
400		*
401		* @param string\|null $session_id
402		* @param bool $create_guest_session
403		*
404		* @return bool
405		*/
406	8	protected function del_internal ($session_id = null, $create_guest_session = true) {
407	8	$session_id = $session_id ?: $this->session_id;
408	8	if (!is_md5($session_id)) {
409		return false;
410		}
411	8	Event::instance()->fire(
412	8	'System/Session/del/before',
413		[
414	8	'id' => $session_id
415		]
416		);
417	8	unset($this->cache->$session_id);
418	8	if ($session_id == $this->session_id) {
419	8	$this->session_id = false;
420	8	$this->user_id = User::GUEST_ID;
421		}
422	8	Response::instance()->cookie('session', '');
423	8	$result = $this->delete($session_id);
424	8	if ($result) {
425	8	if ($create_guest_session) {
426	6	return (bool)$this->add(User::GUEST_ID);
427		}
428	6	Event::instance()->fire(
429	6	'System/Session/del/after',
430		[
431	6	'id' => $session_id
432		]
433		);
434		}
435	6	return (bool)$result;
436		}
437		/**
438		* Delete all old sessions from DB
439		*/
440		protected function delete_old_sessions () {
441		$this->db_prime()->q(
442		"DELETE FROM `[prefix]sessions`
443		WHERE `expire` < ".time()
444		);
445		}
446		/**
447		* Deletion of all user sessions
448		*
449		* @param false\|int $user If not specified - current user assumed
450		*
451		* @return bool
452		*/
453	14	function del_all ($user = false) {
454	14	$user = $user ?: $this->user_id;
455	14	if ($user == User::GUEST_ID) {
456		return false;
457		}
458	14	Event::instance()->fire(
459	14	'System/Session/del_all',
460		[
461	14	'id' => $user
462		]
463		);
464	14	$sessions = $this->db_prime()->qfas(
465		"SELECT `id`
466		FROM `[prefix]sessions`
467	14	WHERE `user` = '$user'"
468		);
469	14	foreach ($sessions ?: [] as $session) {
470	4	if (!$this->del($session)) {
471	4	return false;
472		}
473		}
474	14	return true;
475		}
476		}
477

nazar-pc / CleverStyle-Framework

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Management::del() A

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