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<?php |
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namespace HexMakina\StateAgent; |
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use HexMakina\BlackBox\StateAgentInterface; |
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class Smith implements StateAgentInterface |
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{ |
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private static ?StateAgentInterface $instance = null; |
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// IS-54-16 : Behold, I have created the smith who blows the fire of coals |
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// $options : https://www.php.net/manual/fr/session.configuration.php |
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public static function getInstance(array $options = []): StateAgentInterface |
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{ |
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if (is_null(self::$instance)) { |
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self::$instance = new Smith($options); |
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} |
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return self::$instance; |
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} |
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public function start(): string |
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{ |
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if (self::hasNoSession()) { |
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session_start(); |
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} |
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return session_name(); |
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} |
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public function set(string $key, $value): void |
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{ |
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$_SESSION[$key] = $value; |
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} |
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public function has(string $key): bool |
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{ |
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return isset($_SESSION[$key]); |
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} |
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public function get(string $key) |
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{ |
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return $_SESSION[$key] ?? null; |
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} |
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private function __construct(array $options = []) |
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{ |
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if (self::sessionsAreDisabled()) { |
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throw new \UnexpectedValueException(__CLASS__ . '::PHP_SESSION_DISABLED'); |
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} |
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if (self::hasNoSession()) { |
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session_name($options['session_name'] ?? StateAgentInterface::DEFAULT_SESSION_NAME); |
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unset($options['session_name']); |
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session_start($options); // https://www.php.net/manual/fr/function.session-start.php |
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} |
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} |
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// camelCase wrapper for setcookie, coherent with getCookie |
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public function setCookie( |
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string $name, |
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string $value = "", |
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int $expires_in = 365 * 24 * 60 * 60, |
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string $path = "/", |
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string $domain = "", |
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bool $secure = false, |
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bool $httponly = false |
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): bool { |
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return setcookie($name, $value, time() + $expires_in, $path, $domain, $secure, $httponly); |
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} |
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// returns the value stored or null |
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public function getCookie(string $name): ?string |
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{ |
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return $_COOKIE[$name] ?? null; |
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} |
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// IS-54-16 : I have also created the ravager to destroy |
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public function destroy(): bool |
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{ |
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if (ini_get("session.use_cookies")) { |
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$params = session_get_cookie_params(); |
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setcookie( |
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session_name(), |
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'', |
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time() - 42000, |
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$params["path"], |
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$params["domain"], |
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$params["secure"], |
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$params["httponly"] |
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); |
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} |
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return session_destroy(); |
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} |
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private static function sessionsAreDisabled(): bool |
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{ |
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return session_status() === PHP_SESSION_DISABLED; |
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} |
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private static function hasNoSession(): bool |
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{ |
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return session_status() === PHP_SESSION_NONE; |
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} |
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} |
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HexMakina /
StateAgent
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