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<?php |
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namespace kalanis\kw_auth\Methods; |
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use ArrayAccess; |
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use kalanis\kw_accounts\Interfaces\IAuth; |
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use SessionHandlerInterface; |
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/** |
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* Class Sessions |
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* @package kalanis\kw_auth\AuthMethods |
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* Authenticate via Session |
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* @codeCoverageIgnore external resource, Cannot start session when headers already sent |
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*/ |
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class Sessions extends AMethods |
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{ |
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protected const SESSION_IP = 'acc_ip'; |
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protected const SESSION_NAME = 'acc_name'; |
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protected const SERVER_REMOTE = 'REMOTE_ADDR'; |
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protected const INPUT_NAME = 'name'; |
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protected const INPUT_NAME2 = 'user'; |
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protected const INPUT_PASS = 'pass'; |
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protected const INPUT_PASS2 = 'password'; |
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/** @var ArrayAccess<string, string|int> */ |
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protected ArrayAccess $session; |
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/** @var ArrayAccess<string, string|int> */ |
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protected ArrayAccess $server; |
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protected ?SessionHandlerInterface $externalHandler = null; |
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/** |
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* @param IAuth|null $authenticator |
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* @param AMethods|null $nextOne |
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* @param ArrayAccess<string, string|int> $session |
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* @param ArrayAccess<string, string|int> $server |
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* @param SessionHandlerInterface|null $externalHandler |
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*/ |
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public function __construct(?IAuth $authenticator, ?AMethods $nextOne, ArrayAccess $session, ArrayAccess $server, ?SessionHandlerInterface $externalHandler = null) |
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{ |
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parent::__construct($authenticator, $nextOne); |
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$this->session = $session; |
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$this->server = $server; |
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$this->externalHandler = $externalHandler; |
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} |
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public function process(ArrayAccess $credentials): void |
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{ |
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if (PHP_SESSION_NONE == session_status()) { |
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if ($this->externalHandler) { |
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session_set_save_handler($this->externalHandler, true); |
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} |
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session_start(); |
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} |
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if ($this->tryLogged()) { |
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/** @scrutinizer ignore-call */ |
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$this->loggedUser = $this->authenticator->getDataOnly($this->nameFromSess()); |
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} else { |
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$name = $credentials->offsetExists(static::INPUT_NAME) ? strval($credentials->offsetGet(static::INPUT_NAME)) : '' ; |
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$name = $credentials->offsetExists(static::INPUT_NAME2) ? strval($credentials->offsetGet(static::INPUT_NAME2)) : $name ; |
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$pass = $credentials->offsetExists(static::INPUT_PASS) ? strval($credentials->offsetGet(static::INPUT_PASS)) : '' ; |
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$pass = $credentials->offsetExists(static::INPUT_PASS2) ? strval($credentials->offsetGet(static::INPUT_PASS2)) : $pass ; |
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if (!empty($name) && !empty($pass)) { |
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/** @scrutinizer ignore-call */ |
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$this->loggedUser = $this->authenticator->authenticate($name, ['password' => $pass]); |
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} |
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} |
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$this->clearSession(); |
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if ($this->loggedUser) { |
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$this->fillSession($this->loggedUser->getAuthName()); |
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} |
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} |
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public function remove(): void |
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{ |
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if (PHP_SESSION_ACTIVE == session_status()) { |
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session_destroy(); |
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} |
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} |
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protected function tryLogged(): bool |
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{ |
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return ( |
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$this->session->offsetExists(static::SESSION_NAME) |
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&& !empty($this->session->offsetGet(static::SESSION_NAME)) // user has name already set |
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&& $this->session->offsetExists(static::SESSION_IP) |
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&& !empty($this->session->offsetGet(static::SESSION_IP)) // user has already set known ip |
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&& ($this->server->offsetGet(static::SERVER_REMOTE) == $this->session->offsetGet(static::SESSION_IP)) // against proxy attack - changed ip through work |
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); |
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} |
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protected function nameFromSess(): string |
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{ |
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return strval($this->session->offsetGet(static::SESSION_NAME)); |
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} |
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protected function fillSession(string $name): void |
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{ |
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$this->session->offsetSet(static::SESSION_NAME, $name); |
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$this->session->offsetSet(static::SESSION_IP, strval($this->server->offsetGet(static::SERVER_REMOTE))); |
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} |
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protected function clearSession(): void |
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{ |
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$this->session->offsetSet(static::SESSION_NAME, ''); |
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$this->session->offsetSet(static::SESSION_IP, ''); |
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} |
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} |
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alex-kalanis /
kw_auth
