MockSessionStorage.php

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<?php

class Elgg_Http_MockSessionStorage implements Elgg_Http_SessionStorage {

    protected $started = false;

    protected $closed = false;

    protected $id = '';

    protected $name;

    protected $data = array();

    public function __construct($name = 'MOCKSESSID') {
        $this->name = $name;
    }

    public function start() {
        if ($this->started && !$this->closed) {
            return true;
        }

        if (empty($this->id)) {
            $this->id = $this->generateId();
        }

        $this->started = true;
        $this->closed = false;

        return true;
    }

    public function regenerate($destroy = false, $lifetime = null) {
        if (!$this->started) {
            $this->start();
        }

        $this->id = $this->generateId();

        return true;
    }

    public function save() {
        if (!$this->started || $this->closed) {
            throw new RuntimeException("Trying to save a session that was not started yet or was already closed");
        }
        $this->closed = false;
    }

    public function isStarted() {
        return $this->started;
    }

    public function getId() {
        return $this->id;
    }

    public function setId($id) {
        if ($this->started) {
            throw new RuntimeException('Cannot change the ID of an active session');
        }

        $this->id = $id;
    }

    public function getName() {
        return $this->name;
    }

    public function setName($name) {
        $this->name = $name;
    }

    protected function generateId() {
        return sha1(uniqid(mt_rand()));
    }

    public function has($name) {
        if (!$this->started) {
            $this->start();
        }
        return array_key_exists($name, $this->data);
    }

    public function get($name, $default = null) {
        if (!$this->started) {
            $this->start();
        }
        return array_key_exists($name, $this->data) ? $this->data[$name] : $default;
    }

    public function set($name, $value) {
        if (!$this->started) {
            $this->start();
        }
        $this->data[$name] = $value;
    }

    public function all() {
        if (!$this->started) {
            $this->start();
        }
        return $this->data;
    }

    public function replace(array $attributes) {
        if (!$this->started) {
            $this->start();
        }
        $this->data = array();
        foreach ($attributes as $key => $value) {
            $this->set($key, $value);
        }
    }

    public function remove($name) {
        if (!$this->started) {
            $this->start();
        }
        $retval = null;
        if (array_key_exists($name, $this->data)) {
            $retval = $this->data[$name];
            unset($this->data[$name]);
        }

        return $retval;
    }

    public function clear() {
        if (!$this->started) {
            $this->start();
        }
        $this->data = array();
    }

}