Proyectos de Subversion Moodle

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Rev 1 Rev 1441
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// GNU General Public License for more details.
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// GNU General Public License for more details.
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//
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//
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// You should have received a copy of the GNU General Public License
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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/**
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 * File based session handler.
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 *
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 * @package    core
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 * @copyright  2013 Petr Skoda {@link http://skodak.org}
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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namespace core\session;
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defined('MOODLE_INTERNAL') || die();
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namespace core\session;
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/**
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/**
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 * File based session handler.
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 * File based session handler.
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 *
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 *
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 * @package    core
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 * @package    core
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 * @copyright  2013 Petr Skoda {@link http://skodak.org}
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 * @copyright  2013 Petr Skoda {@link http://skodak.org}
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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 */
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class file extends handler {
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class file extends handler {
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    /** @var string session dir */
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    /** @var string session dir */
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    protected $sessiondir;
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    protected $sessiondir;
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        } else {
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        } else {
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            $this->sessiondir = "$CFG->dataroot/sessions";
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            $this->sessiondir = "$CFG->dataroot/sessions";
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        }
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        }
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    }
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    }
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    /**
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     * Init session handler.
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     */
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    #[\Override]
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    public function init() {
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    public function init() {
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        if (preg_match('/^[0-9]+;/', $this->sessiondir)) {
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        if (preg_match('/^[0-9]+;/', $this->sessiondir)) {
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            throw new exception('sessionhandlerproblem', 'error', '', null, 'Multilevel session directories are not supported');
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            throw new exception('sessionhandlerproblem', 'error', '', null, 'Multilevel session directories are not supported');
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        }
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        }
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        if (!is_writable($this->sessiondir)) {
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        if (!is_writable($this->sessiondir)) {
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            throw new exception('sessionhandlerproblem', 'error', '', null, 'Session directory is not writable');
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            throw new exception('sessionhandlerproblem', 'error', '', null, 'Session directory is not writable');
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        }
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        }
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        // Need to disable debugging since disk_free_space()
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        // Need to disable debugging since disk_free_space()
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        // will fail on very large partitions (see MDL-19222).
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        // will fail on very large partitions (see MDL-19222).
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        $freespace = @disk_free_space($this->sessiondir);
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        // Moodle supports disable_functions = disk_free_space (MDL-43039).
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        // MDL-43039: disk_free_space() returns null if disabled.
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        $freespace = function_exists('disk_free_space') ? disk_free_space($this->sessiondir) : false;
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        if (!($freespace > 2048) and ($freespace !== false) and ($freespace !== null)) {
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        if (!($freespace > 2048) && ($freespace !== false)) {
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            throw new exception('sessiondiskfull', 'error');
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            throw new exception('sessiondiskfull', 'error');
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        }
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        }
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        // NOTE: we cannot set any lock acquiring timeout here - bad luck.
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        // NOTE: we cannot set any lock acquiring timeout here - bad luck.
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        ini_set('session.save_handler', 'files');
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        ini_set('session.save_handler', 'files');
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        ini_set('session.save_path', $this->sessiondir);
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        ini_set('session.save_path', $this->sessiondir);
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    }
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    /**
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     * Check the backend contains data for this session id.
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     *
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     * Note: this is intended to be called from manager::session_exists() only.
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    }
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     *
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     * @param string $sid
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     * @return bool true if session found.
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     */
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    #[\Override]
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    public function session_exists($sid) {
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    public function session_exists($sid) {
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        $sid = clean_param($sid, PARAM_FILE);
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        $sid = clean_param($sid, PARAM_FILE);
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        if (!$sid) {
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        if (!$sid) {
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            return false;
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            return false;
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        }
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        }
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        $sessionfile = "$this->sessiondir/sess_$sid";
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        $sessionfile = "$this->sessiondir/sess_$sid";
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        return file_exists($sessionfile);
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    }
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        return file_exists($sessionfile);
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    /**
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     * Kill all active sessions, the core sessions table is
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    }
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     * purged afterwards.
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     */
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    #[\Override]
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    public function kill_all_sessions() {
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    public function destroy_all(): bool {
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        if (is_dir($this->sessiondir)) {
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        if (is_dir($this->sessiondir)) {
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            foreach (glob("$this->sessiondir/sess_*") as $filename) {
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            foreach (glob("$this->sessiondir/sess_*") as $filename) {
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                @unlink($filename);
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            }
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                @unlink($filename);
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        }
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            }
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        }
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    }
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    /**
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        return parent::destroy_all();
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     * Kill one session, the session record is removed afterwards.
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    }
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     * @param string $sid
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     */
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    #[\Override]
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    public function kill_session($sid) {
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    public function destroy(string $id): bool {
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        $sid = clean_param($sid, PARAM_FILE);
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        $sid = clean_param($id, PARAM_FILE);
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        if (!$sid) {
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        if (!$sid) {
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            return;
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            return false;
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        }
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        }
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        $sessionfile = "$this->sessiondir/sess_$sid";
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        if (file_exists($sessionfile)) {
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        $sessionfile = "$this->sessiondir/sess_$sid";
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            @unlink($sessionfile);
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        if (file_exists($sessionfile)) {
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        }