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<?php |
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namespace Peto16\User; |
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class UserService |
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{ |
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private $userStorage; |
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private $session; |
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/** |
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* Constructor for UserService |
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* @param object $di dependency injection. |
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*/ |
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public function __construct(\Anax\DI\DIFactoryConfig $di) |
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{ |
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$this->userStorage = new UserStorage(); |
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$this->userStorage->setDb($di->get("db")); |
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$this->session = $di->get("session"); |
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} |
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/** |
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* Create user. |
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* |
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* @param object $user User object to store. |
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* @return void |
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*/ |
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public function createUser(User $user) |
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{ |
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if ($this->userStorage->getUserByField("email", $user->email)) { |
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throw new Exception("E-postadress används redan."); |
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} |
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if ($this->userStorage->getUserByField("username", $user->username)) { |
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throw new Exception("Användarnamn redan taget."); |
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} |
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$this->userStorage->createUser($user); |
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} |
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/** |
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* Update user. |
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* |
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* @param object $user User object to update. |
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* @return void |
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*/ |
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public function updateUser($user) |
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{ |
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$this->userStorage->updateUser($user); |
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} |
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/** |
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* Delete user. Validates if user is admin to be able to delete |
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* |
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* @param integer $id user id. |
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* |
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* @return boolean |
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*/ |
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public function deleteUser($id) |
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{ |
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if ($this->validLoggedInAdmin()) { |
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return $this->userStorage->deleteUser($id); |
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} |
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return false; |
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} |
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/** |
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* Dynamicly get user by propertie. |
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* |
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* @param string $field field to search by. |
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* |
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* @param array $data to search for. |
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* |
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* @return User |
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* |
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*/ |
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public function getUserByField($field, $data) |
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{ |
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$user = new User(); |
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$userVarArray = get_object_vars($user); |
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$arrayKeys = array_keys($userVarArray); |
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$userData = $this->userStorage->getUserByField($field, $data); |
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if (empty($userData)) { |
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return $user; |
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} |
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foreach ($arrayKeys as $key) { |
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$user->{$key} = $userData->$key; |
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} |
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return $user; |
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} |
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/** |
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* Find all users stored. |
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* |
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* @return array Of users |
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*/ |
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public function findAllUsers() |
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{ |
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return $this->userStorage->findAllUsers(); |
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} |
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/** |
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* Check if user is logged in. |
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* |
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* @return boolean |
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*/ |
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public function checkLoggedin() |
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{ |
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return $this->session->has("user"); |
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} |
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/** |
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* Login user and redirect to admin. |
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* |
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* @return boolean |
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*/ |
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public function login($username, $password) |
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{ |
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$user = $this->getUserByField("username", $username); |
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if ($password === null) { |
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throw new Exception("Empty password field."); |
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} |
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if ($user->id === null) { |
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throw new Exception("Error, not valid credentials."); |
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} |
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if ((int)$user->enabled === 0) { |
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throw new Exception("Error, disabled account."); |
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} |
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if ($this->validatePassword($password, $user->password)) { |
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$this->session->set("user", $user); |
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return true; |
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} |
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throw new Exception("Error, not valid credentials."); |
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} |
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/** |
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* Check if a user is logged in and returns that user |
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* |
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* @return obj user or null |
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*/ |
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public function getCurrentLoggedInUser() |
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{ |
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return $this->session->get("user"); |
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} |
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/** |
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* Validate pasword |
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* |
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* @method password_verify Method to verify password |
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* |
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* @param string $password Password to be validated. |
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* |
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* @return boolean Return true if valid else false. |
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*/ |
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private function validatePassword($password, $dbpassword) |
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{ |
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return password_verify($password, $dbpassword); |
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} |
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/** |
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* Check if logged in user is valid and admin. |
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* |
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* @return boolean Returns true or false if user is valid administrator. |
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*/ |
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public function validLoggedInAdmin() |
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{ |
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$loggedInUser = $this->getCurrentLoggedInUser(); |
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if ($loggedInUser |
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&& $loggedInUser->administrator |
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&& $loggedInUser->deleted === null |
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&& $loggedInUser->enabled) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Generate gravatar from email or return default avatar. |
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* |
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* @param string $email email adress |
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* @return string Gravatar url. |
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*/ |
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public function generateGravatarUrl($email = "") |
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{ |
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if ($email === "") { |
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return "http://www.gravatar.com/avatar/?d=identicon"; |
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} |
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return "https://s.gravatar.com/avatar/" . md5(strtolower(trim($email))); |
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} |
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} |
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