Session::getGameID() - Code Metrics - Inspection of "Session: define SN property in constructor" - smrealms/smr - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — master (#1040)

by Dan

created 2021-04-18 18:45 UTC

Session::getGameID() A

↳ Parent: Session

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	0
dl	0
loc	2
rs	10
c	0
b	0
f	0

<?php declare(strict_types=1);

namespace Smr;

use AbstractSmrAccount;
use AbstractSmrPlayer;
use Page;
use Request;
use Smr\Container\DiContainer;
use Smr\Database;
use Smr\Epoch;
use SmrAccount;
use SmrPlayer;

class Session {

	const TIME_BEFORE_EXPIRY = 3600;

	private const URL_LOAD_DELAY = array(
		'configure_hardware.php' => .4,
		'forces_drop.php' => .4,
		'forces_drop_processing.php' => .5,
		'forces_refresh_processing.php' => .4,
		'sector_jump_processing.php' => .4,
		'sector_move_processing.php' => .4,
		'sector_scan.php' => .4,
		'shop_goods_processing.php' => .4,
		'trader_attack_processing.php' => .75,
		'trader_examine.php' => .75
	);

	protected Database $db;

	private string $sessionID;
	private int $gameID;
	private array $var;
	private array $commonIDs = [];
	private bool $generate;
	private string $SN;
	private string $lastSN;
	private int $accountID;
	private int $lastAccessed;

	protected ?array $previousAjaxReturns;
	protected array $ajaxReturns = array();

	/**
	 * Return the Smr\Session in the DI container.
	 * If one does not exist yet, it will be created.
	 * This is the intended way to construct this class.
	 */
	public static function getInstance() : self {
		return DiContainer::get(self::class);
	}

	/**
	 * Smr\Session constructor.
	 * Not intended to be constructed by hand. Use Smr\Session::getInstance().
	 */
	public function __construct() {

		// Initialize the db connector here
		$this->db = Database::getInstance();

		// now try the cookie
		if (isset($_COOKIE['session_id']) && strlen($_COOKIE['session_id']) === 32) {
			$this->sessionID = $_COOKIE['session_id'];
		} else {
			// create a new session id
			do {
				$this->sessionID = md5(uniqid(strval(rand())));
				$this->db->query('SELECT 1 FROM active_session WHERE session_id = ' . $this->db->escapeString($this->sessionID) . ' LIMIT 1');
			} while ($this->db->nextRecord()); //Make sure we haven't somehow clashed with someone else's session.

			// This is a minor hack to make sure that setcookie is not called
			// for CLI programs and tests (to avoid "headers already sent").
			if (headers_sent() === false) {
				setcookie('session_id', $this->sessionID);
			}
		}

		// try to get current session
		$this->db->query('DELETE FROM active_session WHERE last_accessed < ' . $this->db->escapeNumber(time() - self::TIME_BEFORE_EXPIRY));
		$this->fetchVarInfo();

		$this->SN = Request::get('sn', '');
		if (!USING_AJAX && !empty($this->SN) && !empty($this->var[$this->SN])) {
			$var = $this->var[$this->SN];
			$currentPage = $var['url'] == 'skeleton.php' ? $var['body'] : $var['url'];
			$loadDelay = self::URL_LOAD_DELAY[$currentPage] ?? 0;
			$initialTimeBetweenLoads = microtime(true) - $var['PreviousRequestTime'];
			while (($timeBetweenLoads = microtime(true) - $var['PreviousRequestTime']) < $loadDelay) {
				$sleepTime = IRound(($loadDelay - $timeBetweenLoads) * 1000000);
			//	echo 'Sleeping for: ' . $sleepTime . 'us';
				usleep($sleepTime);
			}
			if (ENABLE_DEBUG) {
				$this->db->query('INSERT INTO debug VALUES (' . $this->db->escapeString('Delay: ' . $currentPage) . ',' . $this->db->escapeNumber($this->accountID) . ',' . $this->db->escapeNumber($initialTimeBetweenLoads) . ',' . $this->db->escapeNumber($timeBetweenLoads) . ')');
			}
		}
	}

	public function fetchVarInfo() : void {
		$this->db->query('SELECT * FROM active_session WHERE session_id = ' . $this->db->escapeString($this->sessionID) . ' LIMIT 1');
		if ($this->db->nextRecord()) {
			$this->generate = false;
			$this->sessionID = $this->db->getField('session_id');
			$this->accountID = $this->db->getInt('account_id');
			$this->gameID = $this->db->getInt('game_id');
			$this->lastAccessed = $this->db->getInt('last_accessed');
			$this->lastSN = $this->db->getField('last_sn');
			// We may not have ajax_returns if ajax was disabled
			$this->previousAjaxReturns = $this->db->getObject('ajax_returns', true, true);

			$this->var = $this->db->getObject('session_var', true);

			foreach ($this->var as $key => $value) {
				if ($value['RemainingPageLoads'] < 0) {
					//This link is no longer valid
					unset($this->var[$key]);
				} else {
					$this->var[$key]['RemainingPageLoads'] -= 1;
					if (isset($value['CommonID'])) {
						$this->commonIDs[$value['CommonID']] = $key;
					}
				}
			}
		} else {
			$this->generate = true;
			$this->accountID = 0;
			$this->gameID = 0;
			$this->var = array();
		}
	}

	public function update() : void {
		foreach ($this->var as $key => $value) {
			if ($value['RemainingPageLoads'] <= 0) {
				//This link was valid this load but will not be in the future, removing it now saves database space and data transfer.
				unset($this->var[$key]);
			}
		}
		if (!$this->generate) {
			$this->db->query('UPDATE active_session SET account_id=' . $this->db->escapeNumber($this->accountID) . ',game_id=' . $this->db->escapeNumber($this->gameID) . (!USING_AJAX ? ',last_accessed=' . $this->db->escapeNumber(Epoch::time()) : '') . ',session_var=' . $this->db->escapeObject($this->var, true) .
					',last_sn=' . $this->db->escapeString($this->SN) .
					' WHERE session_id=' . $this->db->escapeString($this->sessionID) . (USING_AJAX ? ' AND last_sn=' . $this->db->escapeString($this->lastSN) : '') . ' LIMIT 1');
		} else {
			$this->db->query('DELETE FROM active_session WHERE account_id = ' . $this->db->escapeNumber($this->accountID) . ' AND game_id = ' . $this->db->escapeNumber($this->gameID));
			$this->db->query('INSERT INTO active_session (session_id, account_id, game_id, last_accessed, session_var) VALUES(' . $this->db->escapeString($this->sessionID) . ',' . $this->db->escapeNumber($this->accountID) . ',' . $this->db->escapeNumber($this->gameID) . ',' . $this->db->escapeNumber(Epoch::time()) . ',' . $this->db->escapeObject($this->var, true) . ')');
			$this->generate = false;
		}
	}

	/**
	 * Uniquely identifies the session in the database.
	 */
	public function getSessionID() : string {
		return $this->sessionID;
	}

	/**
	 * Returns the Game ID associated with the session.
	 */
	public function getGameID() : int {
		return $this->gameID;
	}

	/**
	 * Returns true if the session is inside a game, false otherwise.
	 */
	public function hasGame() : bool {
		return $this->gameID != 0;
	}

	public function hasAccount() : bool {
		return $this->accountID > 0;
	}

	public function getAccountID() : int {
		return $this->accountID;
	}

	public function getAccount() : AbstractSmrAccount {
		return SmrAccount::getAccount($this->accountID);
	}

	public function getPlayer(bool $forceUpdate = false) : AbstractSmrPlayer {
		return SmrPlayer::getPlayer($this->accountID, $this->gameID, $forceUpdate);
	}

	/**
	 * Sets the `accountID` attribute of this session.
	 */
	public function setAccount(AbstractSmrAccount $account) : void {
		$this->accountID = $account->getAccountID();
	}

	/**
	 * Updates the `gameID` attribute of the session and deletes any other
	 * active sessions in this game for this account.
	 */
	public function updateGame(int $gameID) : void {
		if ($this->gameID == $gameID) {
			return;
		}
		$this->gameID = $gameID;
		$this->db->query('DELETE FROM active_session WHERE account_id = ' . $this->db->escapeNumber($this->accountID) . ' AND game_id = ' . $this->gameID);
		$this->db->query('UPDATE active_session SET game_id=' . $this->db->escapeNumber($this->gameID) . ' WHERE session_id=' . $this->db->escapeString($this->sessionID));
	}

	/**
	 * The SN is the URL parameter that defines the page being requested.
	 */
	public function getSN() : string {
		return $this->SN;
	}

	/**
	 * Returns true if the current SN is different than the previous SN.
	 */
	public function hasChangedSN() : bool {
		return $this->SN != $this->lastSN;
	}

	public function destroy() : void {
		$this->db->query('DELETE FROM active_session WHERE session_id = ' . $this->db->escapeString($this->sessionID));
		unset($this->sessionID);
		unset($this->accountID);
		unset($this->gameID);
	}

	public function getLastAccessed() : int {
		return $this->lastAccessed;
	}

	/**
	 * Check if the session has a var associated with the current SN.
	 */
	public function findCurrentVar() : bool {
		if (empty($this->var[$this->SN])) {
			return false;
		}
		$var = $this->var[$this->SN];
		if (isset($var['body']) && isset($var['CommonID'])) {
//			if(preg_match('/processing/',$var['body']))
			unset($this->commonIDs[$var['CommonID']]); //Do not store common id for current page
			unset($var['CommonID']);
		}

		$var['RemainingPageLoads'] += 1; // Allow refreshing

		return true;
	}

	/**
	 * Returns the session var associated with the current SN.
	 * Must be called after Session::findCurrentVar sets the current SN.
	 */
	public function getCurrentVar() : Page {
		return $this->var[$this->SN];
	}

	/**
	 * Gets a var from $var, $_REQUEST, or $default. Then stores it in the
	 * session so that it can still be retrieved when the page auto-refreshes.
	 * This is the recommended way to get $_REQUEST data for display pages.
	 * For processing pages, see the Request class.
	 */
	public function getRequestVar(string $varName, string $default = null) : string {
		$result = Request::getVar($varName, $default);
		$this->updateVar($varName, $result);
		return $result;
	}

	public function getRequestVarInt(string $varName, int $default = null) : int {
		$result = Request::getVarInt($varName, $default);
		$this->updateVar($varName, $result);
		return $result;
	}

	public function getRequestVarIntArray(string $varName, array $default = null) : array {
		$result = Request::getVarIntArray($varName, $default);
		$this->updateVar($varName, $result);
		return $result;
	}

	/**
	 * Replace the global $var with the given $container.
	 */
	public function setCurrentVar(Page $container, bool $allowUpdate = true) : void {
		$var = $this->getCurrentVar();

		//Do not allow sharing SN, useful for forwarding.
		global $lock;
		if (isset($var['CommonID'])) {
			unset($this->commonIDs[$var['CommonID']]); //Do not store common id for reset page, to allow refreshing to always give the same page in response
		}
		if (!isset($container['RemainingPageLoads'])) {
			$container['RemainingPageLoads'] = 1; // Allow refreshing
		}
		if (!isset($container['PreviousRequestTime'])) {
			if (isset($var['PreviousRequestTime'])) {
				$container['PreviousRequestTime'] = $var['PreviousRequestTime']; // Copy across the previous request time if not explicitly set.
			}
		}

		$var->exchangeArray($container);
		if ($allowUpdate && !$lock && !USING_AJAX) {
			$this->update();
		}
	}

	public function updateVar(string $key, mixed $value) : void {
		$var = $this->getCurrentVar();
		if ($value === null) {
			if (isset($var[$key])) {
				unset($var[$key]);
			}
		} else {
			$var[$key] = $value;
		}
	}

	public function clearLinks() : void {
		$this->var = array($this->SN => $this->var[$this->SN]);
		$this->commonIDs = array();
	}

	public function addLink(Page $container) : string {
		$sn = $this->generateSN($container);
		$this->var[$sn] = $container;
		return $sn;
	}

	protected function generateSN(Page $container) : string {
		if (isset($this->commonIDs[$container['CommonID']])) {
			$sn = $this->commonIDs[$container['CommonID']];
			$container['PreviousRequestTime'] = isset($this->var[$sn]) ? $this->var[$sn]['PreviousRequestTime'] : Epoch::microtime();
		} else {
			do {
				$sn = random_alphabetic_string(6);
			} while (isset($this->var[$sn]));
			$container['PreviousRequestTime'] = Epoch::microtime();
		}
		$this->commonIDs[$container['CommonID']] = $sn;
		return $sn;
	}

	public function addAjaxReturns(string $element, string $contents) : bool {
		$this->ajaxReturns[$element] = $contents;
		return isset($this->previousAjaxReturns[$element]) && $this->previousAjaxReturns[$element] == $contents;
	}

	public function saveAjaxReturns() : void {
		if (empty($this->ajaxReturns)) {
			return;
		}
		$this->db->query('UPDATE active_session SET ajax_returns=' . $this->db->escapeObject($this->ajaxReturns, true) .
				' WHERE session_id=' . $this->db->escapeString($this->sessionID) . ' LIMIT 1');
	}
}


1			<?php declare(strict_types=1);
2
3			namespace Smr;
4
5			use AbstractSmrAccount;
6			use AbstractSmrPlayer;
7			use Page;
8			use Request;
9			use Smr\Container\DiContainer;
10			use Smr\Database;
11			use Smr\Epoch;
12			use SmrAccount;
13			use SmrPlayer;
14
15			class Session {
16
17			const TIME_BEFORE_EXPIRY = 3600;
18
19			private const URL_LOAD_DELAY = array(
20			'configure_hardware.php' => .4,
21			'forces_drop.php' => .4,
22			'forces_drop_processing.php' => .5,
23			'forces_refresh_processing.php' => .4,
24			'sector_jump_processing.php' => .4,
25			'sector_move_processing.php' => .4,
26			'sector_scan.php' => .4,
27			'shop_goods_processing.php' => .4,
28			'trader_attack_processing.php' => .75,
29			'trader_examine.php' => .75
30			);
31
32			protected Database $db;
33
34			private string $sessionID;
35			private int $gameID;
36			private array $var;
37			private array $commonIDs = [];
38			private bool $generate;
39			private string $SN;
40			private string $lastSN;
41			private int $accountID;
42			private int $lastAccessed;
43
44			protected ?array $previousAjaxReturns;
45			protected array $ajaxReturns = array();
46
47			/**
48			* Return the Smr\Session in the DI container.
49			* If one does not exist yet, it will be created.
50			* This is the intended way to construct this class.
51			*/
52			public static function getInstance() : self {
53			return DiContainer::get(self::class);
54			}
55
56			/**
57			* Smr\Session constructor.
58			* Not intended to be constructed by hand. Use Smr\Session::getInstance().
59			*/
60			public function __construct() {
61
62			// Initialize the db connector here
63			$this->db = Database::getInstance();
64
65			// now try the cookie
66			if (isset($_COOKIE['session_id']) && strlen($_COOKIE['session_id']) === 32) {
67			$this->sessionID = $_COOKIE['session_id'];
68			} else {
69			// create a new session id
70			do {
71			$this->sessionID = md5(uniqid(strval(rand())));
72			$this->db->query('SELECT 1 FROM active_session WHERE session_id = ' . $this->db->escapeString($this->sessionID) . ' LIMIT 1');
73			} while ($this->db->nextRecord()); //Make sure we haven't somehow clashed with someone else's session.
74
75			// This is a minor hack to make sure that setcookie is not called
76			// for CLI programs and tests (to avoid "headers already sent").
77			if (headers_sent() === false) {
78			setcookie('session_id', $this->sessionID);
79			}
80			}
81
82			// try to get current session
83			$this->db->query('DELETE FROM active_session WHERE last_accessed < ' . $this->db->escapeNumber(time() - self::TIME_BEFORE_EXPIRY));
84			$this->fetchVarInfo();
85
86			$this->SN = Request::get('sn', '');
87			if (!USING_AJAX && !empty($this->SN) && !empty($this->var[$this->SN])) {
88			$var = $this->var[$this->SN];
89			$currentPage = $var['url'] == 'skeleton.php' ? $var['body'] : $var['url'];
90			$loadDelay = self::URL_LOAD_DELAY[$currentPage] ?? 0;
91			$initialTimeBetweenLoads = microtime(true) - $var['PreviousRequestTime'];
92			while (($timeBetweenLoads = microtime(true) - $var['PreviousRequestTime']) < $loadDelay) {
93			$sleepTime = IRound(($loadDelay - $timeBetweenLoads) * 1000000);
94			// echo 'Sleeping for: ' . $sleepTime . 'us';
95			usleep($sleepTime);
96			}
97			if (ENABLE_DEBUG) {
98			$this->db->query('INSERT INTO debug VALUES (' . $this->db->escapeString('Delay: ' . $currentPage) . ',' . $this->db->escapeNumber($this->accountID) . ',' . $this->db->escapeNumber($initialTimeBetweenLoads) . ',' . $this->db->escapeNumber($timeBetweenLoads) . ')');
99			}
100			}
101			}
102
103			public function fetchVarInfo() : void {
104			$this->db->query('SELECT * FROM active_session WHERE session_id = ' . $this->db->escapeString($this->sessionID) . ' LIMIT 1');
105			if ($this->db->nextRecord()) {
106			$this->generate = false;
107			$this->sessionID = $this->db->getField('session_id');
108			$this->accountID = $this->db->getInt('account_id');
109			$this->gameID = $this->db->getInt('game_id');
110			$this->lastAccessed = $this->db->getInt('last_accessed');
111			$this->lastSN = $this->db->getField('last_sn');
112			// We may not have ajax_returns if ajax was disabled
113			$this->previousAjaxReturns = $this->db->getObject('ajax_returns', true, true);
114
115			$this->var = $this->db->getObject('session_var', true);
116
117			foreach ($this->var as $key => $value) {
118			if ($value['RemainingPageLoads'] < 0) {
119			//This link is no longer valid
120			unset($this->var[$key]);
121			} else {
122			$this->var[$key]['RemainingPageLoads'] -= 1;
123			if (isset($value['CommonID'])) {
124			$this->commonIDs[$value['CommonID']] = $key;
125			}
126			}
127			}
128			} else {
129			$this->generate = true;
130			$this->accountID = 0;
131			$this->gameID = 0;
132			$this->var = array();
133			}
134			}
135
136			public function update() : void {
137			foreach ($this->var as $key => $value) {
138			if ($value['RemainingPageLoads'] <= 0) {
139			//This link was valid this load but will not be in the future, removing it now saves database space and data transfer.
140			unset($this->var[$key]);
141			}
142			}
143			if (!$this->generate) {
144			$this->db->query('UPDATE active_session SET account_id=' . $this->db->escapeNumber($this->accountID) . ',game_id=' . $this->db->escapeNumber($this->gameID) . (!USING_AJAX ? ',last_accessed=' . $this->db->escapeNumber(Epoch::time()) : '') . ',session_var=' . $this->db->escapeObject($this->var, true) .
145			',last_sn=' . $this->db->escapeString($this->SN) .
146			' WHERE session_id=' . $this->db->escapeString($this->sessionID) . (USING_AJAX ? ' AND last_sn=' . $this->db->escapeString($this->lastSN) : '') . ' LIMIT 1');
147			} else {
148			$this->db->query('DELETE FROM active_session WHERE account_id = ' . $this->db->escapeNumber($this->accountID) . ' AND game_id = ' . $this->db->escapeNumber($this->gameID));
149			$this->db->query('INSERT INTO active_session (session_id, account_id, game_id, last_accessed, session_var) VALUES(' . $this->db->escapeString($this->sessionID) . ',' . $this->db->escapeNumber($this->accountID) . ',' . $this->db->escapeNumber($this->gameID) . ',' . $this->db->escapeNumber(Epoch::time()) . ',' . $this->db->escapeObject($this->var, true) . ')');
150			$this->generate = false;
151			}
152			}
153
154			/**
155			* Uniquely identifies the session in the database.
156			*/
157			public function getSessionID() : string {
158			return $this->sessionID;
159			}
160
161			/**
162			* Returns the Game ID associated with the session.
163			*/
164			public function getGameID() : int {
165			return $this->gameID;
166			}
167
168			/**
169			* Returns true if the session is inside a game, false otherwise.
170			*/
171			public function hasGame() : bool {
172			return $this->gameID != 0;
173			}
174
175			public function hasAccount() : bool {
176			return $this->accountID > 0;
177			}
178
179			public function getAccountID() : int {
180			return $this->accountID;
181			}
182
183			public function getAccount() : AbstractSmrAccount {
184			return SmrAccount::getAccount($this->accountID);
185			}
186
187			public function getPlayer(bool $forceUpdate = false) : AbstractSmrPlayer {
188			return SmrPlayer::getPlayer($this->accountID, $this->gameID, $forceUpdate);
189			}
190
191			/**
192			* Sets the `accountID` attribute of this session.
193			*/
194			public function setAccount(AbstractSmrAccount $account) : void {
195			$this->accountID = $account->getAccountID();
196			}
197
198			/**
199			* Updates the `gameID` attribute of the session and deletes any other
200			* active sessions in this game for this account.
201			*/
202			public function updateGame(int $gameID) : void {
203			if ($this->gameID == $gameID) {
204			return;
205			}
206			$this->gameID = $gameID;
207			$this->db->query('DELETE FROM active_session WHERE account_id = ' . $this->db->escapeNumber($this->accountID) . ' AND game_id = ' . $this->gameID);
208			$this->db->query('UPDATE active_session SET game_id=' . $this->db->escapeNumber($this->gameID) . ' WHERE session_id=' . $this->db->escapeString($this->sessionID));
209			}
210
211			/**
212			* The SN is the URL parameter that defines the page being requested.
213			*/
214			public function getSN() : string {
215			return $this->SN;
216			}
217
218			/**
219			* Returns true if the current SN is different than the previous SN.
220			*/
221			public function hasChangedSN() : bool {
222			return $this->SN != $this->lastSN;
223			}
224
225			public function destroy() : void {
226			$this->db->query('DELETE FROM active_session WHERE session_id = ' . $this->db->escapeString($this->sessionID));
227			unset($this->sessionID);
228			unset($this->accountID);
229			unset($this->gameID);
230			}
231
232			public function getLastAccessed() : int {
233			return $this->lastAccessed;
234			}
235
236			/**
237			* Check if the session has a var associated with the current SN.
238			*/
239			public function findCurrentVar() : bool {
240			if (empty($this->var[$this->SN])) {
241			return false;
242			}
243			$var = $this->var[$this->SN];
244			if (isset($var['body']) && isset($var['CommonID'])) {
245			// if(preg_match('/processing/',$var['body']))
246			unset($this->commonIDs[$var['CommonID']]); //Do not store common id for current page
247			unset($var['CommonID']);
248			}
249
250			$var['RemainingPageLoads'] += 1; // Allow refreshing
251
252			return true;
253			}
254
255			/**
256			* Returns the session var associated with the current SN.
257			* Must be called after Session::findCurrentVar sets the current SN.
258			*/
259			public function getCurrentVar() : Page {
260			return $this->var[$this->SN];
261			}
262
263			/**
264			* Gets a var from $var, $_REQUEST, or $default. Then stores it in the
265			* session so that it can still be retrieved when the page auto-refreshes.
266			* This is the recommended way to get $_REQUEST data for display pages.
267			* For processing pages, see the Request class.
268			*/
269			public function getRequestVar(string $varName, string $default = null) : string {
270			$result = Request::getVar($varName, $default);
271			$this->updateVar($varName, $result);
272			return $result;
273			}
274
275			public function getRequestVarInt(string $varName, int $default = null) : int {
276			$result = Request::getVarInt($varName, $default);
277			$this->updateVar($varName, $result);
278			return $result;
279			}
280
281			public function getRequestVarIntArray(string $varName, array $default = null) : array {
282			$result = Request::getVarIntArray($varName, $default);
283			$this->updateVar($varName, $result);
284			return $result;
285			}
286
287			/**
288			* Replace the global $var with the given $container.
289			*/
290			public function setCurrentVar(Page $container, bool $allowUpdate = true) : void {
291			$var = $this->getCurrentVar();
292
293			//Do not allow sharing SN, useful for forwarding.
294			global $lock;
295			if (isset($var['CommonID'])) {
296			unset($this->commonIDs[$var['CommonID']]); //Do not store common id for reset page, to allow refreshing to always give the same page in response
297			}
298			if (!isset($container['RemainingPageLoads'])) {
299			$container['RemainingPageLoads'] = 1; // Allow refreshing
300			}
301			if (!isset($container['PreviousRequestTime'])) {
302			if (isset($var['PreviousRequestTime'])) {
303			$container['PreviousRequestTime'] = $var['PreviousRequestTime']; // Copy across the previous request time if not explicitly set.
304			}
305			}
306
307			$var->exchangeArray($container);
308			if ($allowUpdate && !$lock && !USING_AJAX) {
309			$this->update();
310			}
311			}
312
313			public function updateVar(string $key, mixed $value) : void {
314			$var = $this->getCurrentVar();
315			if ($value === null) {
316			if (isset($var[$key])) {
317			unset($var[$key]);
318			}
319			} else {
320			$var[$key] = $value;
321			}
322			}
323
324			public function clearLinks() : void {
325			$this->var = array($this->SN => $this->var[$this->SN]);
326			$this->commonIDs = array();
327			}
328
329			public function addLink(Page $container) : string {
330			$sn = $this->generateSN($container);
331			$this->var[$sn] = $container;
332			return $sn;
333			}
334
335			protected function generateSN(Page $container) : string {
336			if (isset($this->commonIDs[$container['CommonID']])) {
337			$sn = $this->commonIDs[$container['CommonID']];
338			$container['PreviousRequestTime'] = isset($this->var[$sn]) ? $this->var[$sn]['PreviousRequestTime'] : Epoch::microtime();
339			} else {
340			do {
341			$sn = random_alphabetic_string(6);
342			} while (isset($this->var[$sn]));
343			$container['PreviousRequestTime'] = Epoch::microtime();
344			}
345			$this->commonIDs[$container['CommonID']] = $sn;
346			return $sn;
347			}
348
349			public function addAjaxReturns(string $element, string $contents) : bool {
350			$this->ajaxReturns[$element] = $contents;
351			return isset($this->previousAjaxReturns[$element]) && $this->previousAjaxReturns[$element] == $contents;
352			}
353
354			public function saveAjaxReturns() : void {
355			if (empty($this->ajaxReturns)) {
356			return;
357			}
358			$this->db->query('UPDATE active_session SET ajax_returns=' . $this->db->escapeObject($this->ajaxReturns, true) .
359			' WHERE session_id=' . $this->db->escapeString($this->sessionID) . ' LIMIT 1');
360			}
361			}
362

smrealms / smr

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Pull Request — master (#1040)

Session::getGameID() A

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