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<?php
namespace Parse;
/**
* ParseUser - Representation of a user object stored on Parse.
*
* @package Parse
* @author Fosco Marotto <fjm@fb.com>
*/
class ParseUser extends ParseObject
{
public static $parseClassName = "_User";
/**
* @var ParseUser The currently logged-in user.
*/
private static $currentUser = null;
/**
* @var string The sessionToken for an authenticated user.
*/
protected $_sessionToken = null;
/**
* Returns the username.
*
* @return string|null
*/
public function getUsername()
{
return $this->get("username");
}
/**
* Sets the username for the ParseUser.
*
* @param string $username The username
*
* @return null
*/
public function setUsername($username)
{
return $this->set("username", $username);
}
/**
* Sets the password for the ParseUser.
*
* @param string $password The password
*
* @return null
*/
public function setPassword($password)
{
return $this->set("password", $password);
}
/**
* Returns the email address, if set, for the ParseUser.
*
* @return string|null
*/
public function getEmail()
{
return $this->get("email");
}
/**
* Sets the email address for the ParseUser.
*
* @param string $email The email address
*
* @return null
*/
public function setEmail($email)
{
return $this->set("email", $email);
}
/**
* Checks whether this user has been authenticated.
*
* @return boolean
*/
public function isAuthenticated()
{
return $this->_sessionToken !== null;
}
/**
* Signs up the current user, or throw if invalid.
* This will create a new ParseUser on the server, and also persist the
* session so that you can access the user using ParseUser::getCurrentUser();
*/
public function signUp()
{
if (!$this->get('username')) {
throw new ParseException("Cannot sign up user with an empty name");
}
if (!$this->get('password')) {
throw new ParseException(
"Cannot sign up user with an empty password."
);
}
if ($this->getObjectId()) {
throw new ParseException(
"Cannot sign up an already existing user."
);
}
parent::save();
$this->handleSaveResult(true);
}
/**
* Logs in a and returns a valid ParseUser, or throws if invalid.
*
* @param string $username
* @param string $password
*
* @return ParseUser
*
* @throws ParseException
*/
public static function logIn($username, $password)
{
if (!$username) {
throw new ParseException("Cannot log in user with an empty name");
}
if (!$password) {
throw new ParseException(
"Cannot log in user with an empty password."
);
}
$data = array("username" => $username, "password" => $password);
$result = ParseClient::_request("GET", "/1/login", "", $data);
$user = new ParseUser();
$user->_mergeAfterFetch($result);
$user->handleSaveResult(true);
ParseClient::getStorage()->set("user", $user);
return $user;
}
/**
* Logs in a user with a session token. Calls the /users/me route and if
* valid, creates and returns the current user.
*
* @param string $sessionToken
*
* @return ParseUser
*/
public static function become($sessionToken)
{
$result = ParseClient::_request('GET', '/1/users/me', $sessionToken);
$user = new ParseUser();
$user->_mergeAfterFetch($result);
$user->handleSaveResult(true);
ParseClient::getStorage()->set("user", $user);
return $user;
}
/**
* Log out the current user. This will clear the storage and future calls
* to current will return null
*
* @return null
*/
public static function logOut()
{
if (ParseUser::getCurrentUser()) {
static::$currentUser = null;
}
ParseClient::getStorage()->remove('user');
}
/**
* After a save, perform User object specific logic.
*
* @param boolean $makeCurrent Whether to set the current user.
*
* @return null
*/
private function handleSaveResult($makeCurrent = false)
{
if (isset($this->serverData['password'])) {
unset($this->serverData['password']);
}
if (isset($this->serverData['sessionToken'])) {
$this->_sessionToken = $this->serverData['sessionToken'];
unset($this->serverData['sessionToken']);
}
if ($makeCurrent) {
static::$currentUser = $this;
static::saveCurrentUser();
}
$this->rebuildEstimatedData();
}
/**
* Retrieves the currently logged in ParseUser with a valid session,
* either from memory or the storage provider, if necessary.
*
* @return ParseUser|null
*/
public static function getCurrentUser()
{
if (static::$currentUser instanceof ParseUser) {
return static::$currentUser;
}
$storage = ParseClient::getStorage();
$userData = $storage->get("user");
if ($userData instanceof ParseUser) {
static::$currentUser = $userData;
return $userData;
}
if (isset($userData["id"]) && isset($userData["_sessionToken"])) {
$user = ParseUser::create("_User", $userData["id"]);
unset($userData["id"]);
$user->_sessionToken = $userData["_sessionToken"];
unset($userData["_sessionToken"]);
foreach ($userData as $key => $value) {
$user->set($key, $value);
}
$user->_opSetQueue = array();
static::$currentUser = $user;
return $user;
}
return null;
}
/**
* Persists the current user to the storage provider.
*
* @return null
*/
protected static function saveCurrentUser()
{
$storage = ParseClient::getStorage();
$storage->set('user', ParseUser::getCurrentUser());
}
/**
* Returns the session token, if available
*
* @return string|null
*/
public function getSessionToken()
{
return $this->_sessionToken;
}
/**
* Returns true if this user is the current user.
*
* @return boolean
*/
public function isCurrent()
{
if (ParseUser::getCurrentUser() && $this->getObjectId()) {
if ($this->getObjectId() == ParseUser::getCurrentUser()->getObjectId()) {
return true;
}
}
return false;
}
/**
* Save the current user object, unless it is not signed up.
*
* @return null
*
* @throws ParseException
*/
public function save($useMasterKey = false)
{
if ($this->getObjectId()) {
parent::save($useMasterKey);
} else {
throw new ParseException(
"You must call signUp to create a new User."
);
}
}
/**
* Requests a password reset email to be sent to the specified email
* address associated with the user account. This email allows the user
* to securely reset their password on the Parse site.
*
* @param string $email
*
* @return null
*/
public static function requestPasswordReset($email)
{
$json = json_encode(array('email' => $email));
ParseClient::_request('POST', '/1/requestPasswordReset', null, $json);
}
/**
* @ignore
*/
public static function _clearCurrentUserVariable()
{
static::$currentUser = null;
}
}