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<?php |
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namespace Divergence\Models\Auth; |
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use Divergence\Models\Model; |
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use Divergence\Models\Relations; |
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class Session extends Model |
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{ |
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use Relations; |
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// Session configurables |
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public static $cookieName = 's'; |
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public static $cookieDomain = null; |
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public static $cookiePath = '/'; |
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public static $cookieSecure = false; |
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public static $cookieExpires = false; |
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public static $timeout = 31536000; //3600; |
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// support subclassing |
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public static $rootClass = __CLASS__; |
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public static $defaultClass = __CLASS__; |
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public static $subClasses = [__CLASS__]; |
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// ActiveRecord configuration |
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public static $tableName = 'sessions'; |
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public static $singularNoun = 'session'; |
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public static $pluralNoun = 'sessions'; |
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public static $fields = [ |
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'ContextClass' => null, |
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'ContextID' => null, |
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'Handle' => [ |
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'unique' => true, |
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], |
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'LastRequest' => [ |
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'type' => 'timestamp', |
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'notnull' => false, |
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], |
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'LastIP' => [ |
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'type' => 'binary' |
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], |
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]; |
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// Session |
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public static function __classLoaded() |
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{ |
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parent::__classLoaded(); |
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// auto-detect cookie domain |
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if (empty(static::$cookieDomain)) { |
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static::$cookieDomain = preg_replace('/^www\.([^.]+\.[^.]+)$/i', '$1', $_SERVER['HTTP_HOST']); |
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} |
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} |
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public static function getFromRequest($create = true) |
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{ |
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$sessionData = [ |
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'LastIP' => inet_pton($_SERVER['REMOTE_ADDR']), |
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'LastRequest' => time(), |
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]; |
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// try to load from cookie |
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if (!empty($_COOKIE[static::$cookieName])) { |
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if ($Session = static::getByHandle($_COOKIE[static::$cookieName])) { |
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// update session & check expiration |
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$Session = static::updateSession($Session, $sessionData); |
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} |
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} |
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// try to load from any request method |
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if (empty($Session) && !empty($_REQUEST[static::$cookieName])) { |
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if ($Session = static::getByHandle($_REQUEST[static::$cookieName])) { |
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// update session & check expiration |
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$Session = static::updateSession($Session, $sessionData); |
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} |
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} |
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if (!empty($Session)) { |
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// session found |
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return $Session; |
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} elseif ($create) { |
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// create session |
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return static::create($sessionData, true); |
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} else { |
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// no session available |
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return false; |
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} |
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} |
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public static function updateSession(Session $Session, $sessionData) |
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{ |
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// check timestamp |
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if ($Session->LastRequest < (time() - static::$timeout)) { |
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$Session->terminate(); |
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return false; |
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} else { |
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// update session |
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$Session->setFields($sessionData); |
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if (function_exists('fastcgi_finish_request')) { |
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register_shutdown_function(function (&$Session) { |
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$Session->save(); |
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}, $Session); |
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} else { |
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$Session->save(); |
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} |
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return $Session; |
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} |
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} |
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public static function getByHandle($handle) |
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{ |
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return static::getByField('Handle', $handle, true); |
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} |
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public function getData() |
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{ |
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// embed related object(s) |
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return array_merge(parent::getData(), [ |
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'Person' => $this->Person ? $this->Person->getData() : null, |
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]); |
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} |
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public function save($deep = true) |
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{ |
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// set handle |
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if (!$this->Handle) { |
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$this->Handle = static::generateUniqueHandle(); |
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} |
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// call parent |
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parent::save($deep); |
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// set cookie |
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setcookie( |
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static::$cookieName, |
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$this->Handle, |
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static::$cookieExpires ? (time() + static::$cookieExpires) : 0, |
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static::$cookiePath, |
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static::$cookieDomain, |
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static::$cookieSecure |
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); |
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} |
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public function terminate() |
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{ |
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setcookie(static::$cookieName, '', time() - 3600); |
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unset($_COOKIE[static::$cookieName]); |
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$this->destroy(); |
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} |
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public static function generateUniqueHandle() |
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{ |
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do { |
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$handle = md5(mt_rand(0, mt_getrandmax())); |
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} while (static::getByHandle($handle)); |
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return $handle; |
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} |
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} |
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Divergence /
framework
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