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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <nick@popphp.org> |
| 8 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Session; |
| 16 | |
| 17 | /** |
| 18 | * Session namespace class |
| 19 | * |
| 20 | * @category Pop |
| 21 | * @package Pop\Session |
| 22 | * @author Nick Sagona, III <nick@popphp.org> |
| 23 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 24 | * @license https://www.popphp.org/license New BSD License |
| 25 | * @version 5.0.0 |
| 26 | */ |
| 27 | class SessionNamespace extends AbstractSession |
| 28 | { |
| 29 | |
| 30 | /** |
| 31 | * Session namespace |
| 32 | * @var ?string |
| 33 | */ |
| 34 | private ?string $namespace = null; |
| 35 | |
| 36 | /** |
| 37 | * Constructor |
| 38 | * |
| 39 | * Private method to instantiate the session object |
| 40 | * |
| 41 | * @param string $namespace |
| 42 | * @throws Exception |
| 43 | */ |
| 44 | public function __construct(string $namespace) |
| 45 | { |
| 46 | if ($namespace == '_POP_SESSION_') { |
| 47 | throw new Exception("Error: Cannot use the reserved namespace '_POP_SESSION_'."); |
| 48 | } |
| 49 | $this->setNamespace($namespace); |
| 50 | $sess = Session::getInstance(); |
| 51 | if (!isset($sess[$namespace])) { |
| 52 | $sess[$namespace] = []; |
| 53 | } |
| 54 | $this->init(); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Set current namespace |
| 59 | * |
| 60 | * @param string $namespace |
| 61 | * @return SessionNamespace |
| 62 | */ |
| 63 | public function setNamespace(string $namespace): SessionNamespace |
| 64 | { |
| 65 | $this->namespace = $namespace; |
| 66 | return $this; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Get current namespace |
| 71 | * |
| 72 | * @return string |
| 73 | */ |
| 74 | public function getNamespace(): string |
| 75 | { |
| 76 | return $this->namespace; |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Set a time-based value |
| 81 | * |
| 82 | * @param string $key |
| 83 | * @param mixed $value |
| 84 | * @param int $expire |
| 85 | * @return SessionNamespace |
| 86 | */ |
| 87 | public function setTimedValue(string $key, mixed $value, int $expire = 300): SessionNamespace |
| 88 | { |
| 89 | $_SESSION[$this->namespace][$key] = $value; |
| 90 | $_SESSION['_POP_SESSION_'][$this->namespace]['expirations'][$key] = time() + (int)$expire; |
| 91 | return $this; |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Set a request-based value |
| 96 | * |
| 97 | * @param string $key |
| 98 | * @param mixed $value |
| 99 | * @param int $hops |
| 100 | * @return SessionNamespace |
| 101 | */ |
| 102 | public function setRequestValue(string $key, mixed $value, int $hops = 1): SessionNamespace |
| 103 | { |
| 104 | $_SESSION[$this->namespace][$key] = $value; |
| 105 | $_SESSION['_POP_SESSION_'][$this->namespace]['requests'][$key] = [ |
| 106 | 'current' => 0, |
| 107 | 'limit' => (int)$hops |
| 108 | ]; |
| 109 | return $this; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Manually check request-based and time-based values, removing any that have |
| 114 | * expired or exceeded their hop limit |
| 115 | * |
| 116 | * @return SessionNamespace |
| 117 | */ |
| 118 | public function sweep(): SessionNamespace |
| 119 | { |
| 120 | if (isset($_SESSION[$this->namespace], $_SESSION['_POP_SESSION_'][$this->namespace])) { |
| 121 | $this->checkRequestValues($_SESSION[$this->namespace], $_SESSION['_POP_SESSION_'][$this->namespace]); |
| 122 | $this->checkExpirationValues($_SESSION[$this->namespace], $_SESSION['_POP_SESSION_'][$this->namespace]); |
| 123 | } |
| 124 | return $this; |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Init the session |
| 129 | * |
| 130 | * @return void |
| 131 | */ |
| 132 | private function init(): void |
| 133 | { |
| 134 | if (!isset($_SESSION['_POP_SESSION_'])) { |
| 135 | $_SESSION['_POP_SESSION_'] = [ |
| 136 | $this->namespace => [ |
| 137 | 'requests' => [], |
| 138 | 'expirations' => [] |
| 139 | ] |
| 140 | ]; |
| 141 | } else if (!isset($_SESSION['_POP_SESSION_'][$this->namespace])) { |
| 142 | $_SESSION['_POP_SESSION_'][$this->namespace] = [ |
| 143 | 'requests' => [], |
| 144 | 'expirations' => [] |
| 145 | ]; |
| 146 | } else { |
| 147 | $this->sweep(); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Kill the session namespace |
| 153 | * |
| 154 | * @param bool $all |
| 155 | * @return void |
| 156 | */ |
| 157 | public function kill(bool $all = false): void |
| 158 | { |
| 159 | if ($all) { |
| 160 | $sess = Session::getInstance(); |
| 161 | $sess->kill(); |
| 162 | } else if (isset($_SESSION[$this->namespace])) { |
| 163 | unset($_SESSION['_POP_SESSION_'][$this->namespace], $_SESSION[$this->namespace]); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Get the session values as an array |
| 169 | * |
| 170 | * @return array |
| 171 | */ |
| 172 | public function toArray(): array |
| 173 | { |
| 174 | return $_SESSION[$this->namespace] ?? []; |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Set a property in the session object that is linked to the $_SESSION global variable |
| 179 | * |
| 180 | * @param string $name |
| 181 | * @param mixed $value |
| 182 | * @return void |
| 183 | */ |
| 184 | public function __set(string $name, mixed $value): void |
| 185 | { |
| 186 | $_SESSION[$this->namespace][$name] = $value; |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Get method to return the value of the $_SESSION global variable |
| 191 | * |
| 192 | * @param string $name |
| 193 | * @return mixed |
| 194 | */ |
| 195 | public function __get(string $name): mixed |
| 196 | { |
| 197 | return (isset($_SESSION[$this->namespace][$name])) ? $_SESSION[$this->namespace][$name] : null; |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * Return the isset value of the $_SESSION global variable |
| 202 | * |
| 203 | * @param string $name |
| 204 | * @return bool |
| 205 | */ |
| 206 | public function __isset(string $name): bool |
| 207 | { |
| 208 | return isset($_SESSION[$this->namespace][$name]); |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * Unset the $_SESSION global variable |
| 213 | * |
| 214 | * @param string $name |
| 215 | * @return void |
| 216 | */ |
| 217 | public function __unset(string $name): void |
| 218 | { |
| 219 | $_SESSION[$this->namespace][$name] = null; |
| 220 | unset($_SESSION[$this->namespace][$name]); |
| 221 | } |
| 222 | |
| 223 | } |