442 lines
13 KiB
PHP
442 lines
13 KiB
PHP
<?php
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namespace Api {
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use Driver\SQL\Condition\Compare;
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abstract class UserAPI extends Request {
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protected function userExists($username, $email) {
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$sql = $this->user->getSQL();
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$res = $sql->select("User.name", "User.email")
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->from("User")
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->where(new Compare("User.name", $username), new Compare("User.email", $email))
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->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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if ($this->success && !empty($res)) {
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$row = $res[0];
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if (strcasecmp($username, $row['name']) === 0) {
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return $this->createError("This username is already taken.");
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} else if (strcasecmp($username, $row['email']) === 0) {
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return $this->createError("This email address is already in use.");
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}
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}
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return $this->success;
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}
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protected function insertUser($username, $email, $password) {
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$sql = $this->user->getSQL();
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$salt = generateRandomString(16);
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$hash = $this->hashPassword($password, $salt);
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$res = $sql->insert("User", array("name", "password", "salt", "email"))
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->addRow($username, $hash, $salt, $email)
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->returning("uid")
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->execute();
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$this->lastError = $sql->getLastError();
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$this->success = ($res !== FALSE);
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if ($this->success) {
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return $sql->getLastInsertId();
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}
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return $this->success;
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}
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// TODO: replace this with crypt() in the future
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protected function hashPassword($password, $salt) {
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return hash('sha256', $password . $salt);
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}
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}
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}
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namespace Api\User {
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use Api\Parameter\Parameter;
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use Api\Parameter\StringType;
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use Api\SendMail;
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use Api\UserAPI;
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use DateTime;
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use Driver\SQL\Condition\Compare;
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class Create extends UserAPI {
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public function __construct($user, $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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'username' => new StringType('username', 32),
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'email' => new StringType('email', 64, true),
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'password' => new StringType('password'),
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'confirmPassword' => new StringType('confirmPassword'),
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));
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$this->csrfTokenRequired = true;
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$this->loginRequired = true;
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$this->requiredGroup = USER_GROUP_ADMIN;
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}
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public function execute($values = array()) {
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if (!parent::execute($values)) {
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return false;
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}
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$username = $this->getParam('username');
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$email = $this->getParam('email');
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if (!$this->userExists($username, $email) || !$this->success) {
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return false;
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}
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$password = $this->getParam('password');
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$confirmPassword = $this->getParam('confirmPassword');
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if ($password !== $confirmPassword) {
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return $this->createError("The given passwords do not match.");
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}
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return $this->insertUser($username, $email, $password) !== FALSE;
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}
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}
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class Fetch extends UserAPI {
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const SELECT_SIZE = 10;
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private int $userCount;
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public function __construct($user, $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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'page' => new Parameter('page', Parameter::TYPE_INT, true, 1)
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));
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$this->loginRequired = true;
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$this->requiredGroup = USER_GROUP_ADMIN;
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$this->userCount = 0;
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$this->csrfTokenRequired = true;
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}
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private function getUserCount() {
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$sql = $this->user->getSQL();
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$res = $sql->select($sql->count())->from("User")->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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if ($this->success) {
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$this->userCount = $res[0]["count"];
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}
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return $this->success;
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}
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public function execute($values = array()) {
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if(!parent::execute($values)) {
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return false;
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}
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$page = $this->getParam("page");
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if($page < 1) {
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return $this->createError("Invalid page count");
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}
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if (!$this->getUserCount()) {
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return false;
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}
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$sql = $this->user->getSQL();
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$res = $sql->select("User.uid as userId", "User.name", "User.email", "User.registered_at",
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"Group.uid as groupId", "Group.name as groupName")
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->from("User")
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->leftJoin("UserGroup", "User.uid", "UserGroup.user_id")
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->leftJoin("Group", "Group.uid", "UserGroup.group_id")
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->orderBy("User.uid")
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->ascending()
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->limit(Fetch::SELECT_SIZE)
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->offset(($page - 1) * Fetch::SELECT_SIZE)
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->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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if($this->success) {
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$this->result["users"] = array();
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foreach($res as $row) {
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$userId = intval($row["userId"]);
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$groupId = intval($row["groupId"]);
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$groupName = $row["groupName"];
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if (!isset($this->result["users"][$userId])) {
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$this->result["users"][$userId] = array(
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"uid" => $userId,
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"name" => $row["name"],
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"email" => $row["email"],
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"registered_at" => $row["registered_at"],
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"groups" => array(),
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);
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}
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if(!is_null($groupId)) {
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$this->result["users"][$userId]["groups"][$groupId] = $groupName;
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}
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}
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$this->result["pageCount"] = intval(ceil($this->userCount / Fetch::SELECT_SIZE));
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$this->result["totalCount"] = $this->userCount;
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}
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return $this->success;
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}
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}
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class Info extends UserAPI {
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public function __construct($user, $externalCall = false) {
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parent::__construct($user, $externalCall, array());
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$this->csrfTokenRequired = true;
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}
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public function execute($values = array()) {
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if(!parent::execute($values)) {
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return false;
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}
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if (!$this->user->isLoggedIn()) {
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$this->result["loggedIn"] = false;
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} else {
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$this->result["loggedIn"] = true;
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}
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$this->result["user"] = $this->user->jsonSerialize();
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return $this->success;
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}
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}
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class Invite extends UserAPI {
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public function __construct($user, $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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'username' => new StringType('username', 32),
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'email' => new StringType('email', 64),
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));
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$this->csrfTokenRequired = true;
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$this->loginRequired = true;
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$this->requiredGroup = USER_GROUP_ADMIN;
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}
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public function execute($values = array()) {
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if(!parent::execute($values)) {
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return false;
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}
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$username = $this->getParam('username');
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$email = $this->getParam('email');
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if (!$this->userExists($username, $email)) {
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return false;
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}
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//add to DB
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$token = generateRandomString(36);
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$valid_until = (new DateTime())->modify("+48 hour");
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$sql = $this->user->getSQL();
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$res = $sql->insert("UserInvitation", array("username", "email", "token", "valid_until"))
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->addRow($username, $email, $token, $valid_until)
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->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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//send validation mail
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if($this->success) {
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$request = new SendMail($this->user);
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$link = "http://localhost/acceptInvitation?token=$token";
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$this->success = $request->execute(array(
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"from" => "webmaster@romanh.de",
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"to" => $email,
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"subject" => "Account Invitation for web-base@localhost",
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"body" =>
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"Hello,<br>
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you were invited to create an account on web-base@localhost. Click on the following link to confirm the registration, it is 48h valid from now.
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If the invitation was not intended, you can simply ignore this email.<br><br><a href=\"$link\">$link</a>"
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)
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);
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$this->lastError = $request->getLastError();
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}
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return $this->success;
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}
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}
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class Login extends UserAPI {
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private int $startedAt;
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public function __construct($user, $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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'username' => new StringType('username', 32),
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'password' => new StringType('password'),
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'stayLoggedIn' => new Parameter('stayLoggedIn', Parameter::TYPE_BOOLEAN, true, true)
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));
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$this->forbidMethod("GET");
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}
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private function wrongCredentials() {
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$runtime = microtime(true) - $this->startedAt;
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$sleepTime = round(3e6 - $runtime);
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if($sleepTime > 0) usleep($sleepTime);
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return $this->createError(L('Wrong username or password'));
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}
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public function execute($values = array()) {
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if(!parent::execute($values)) {
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return false;
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}
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if($this->user->isLoggedIn()) {
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$this->lastError = L('You are already logged in');
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$this->success = true;
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return true;
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}
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$this->startedAt = microtime(true);
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$this->success = false;
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$username = $this->getParam('username');
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$password = $this->getParam('password');
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$stayLoggedIn = $this->getParam('stayLoggedIn');
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$sql = $this->user->getSQL();
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$res = $sql->select("User.uid", "User.password", "User.salt")
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->from("User")
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->where(new Compare("User.name", $username))
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->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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if($this->success) {
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if(count($res) === 0) {
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return $this->wrongCredentials();
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} else {
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$row = $res[0];
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$salt = $row['salt'];
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$uid = $row['uid'];
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$hash = $this->hashPassword($password, $salt);
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if($hash === $row['password']) {
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if(!($this->success = $this->user->createSession($uid, $stayLoggedIn))) {
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return $this->createError("Error creating Session: " . $sql->getLastError());
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} else {
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$this->result["loggedIn"] = true;
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$this->result['logoutIn'] = $this->user->getSession()->getExpiresSeconds();
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$this->success = true;
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}
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}
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else {
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return $this->wrongCredentials();
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}
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}
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}
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return $this->success;
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}
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}
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class Logout extends UserAPI {
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public function __construct($user, $externalCall = false) {
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parent::__construct($user, $externalCall);
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$this->loginRequired = true;
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$this->apiKeyAllowed = false;
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$this->csrfTokenRequired = true;
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}
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public function execute($values = array()) {
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if(!parent::execute($values)) {
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return false;
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}
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$this->success = $this->user->logout();
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$this->lastError = $this->user->getSQL()->getLastError();
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return $this->success;
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}
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}
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class Register extends UserAPI {
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private ?int $userId;
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private string $token;
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public function __construct($user, $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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"username" => new StringType("username", 32),
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"email" => new StringType("email", 64),
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"password" => new StringType("password"),
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"confirmPassword" => new StringType("confirmPassword"),
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));
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}
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private function insertToken() {
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$validUntil = (new DateTime())->modify("+48 hour");
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$sql = $this->user->getSQL();
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$res = $sql->insert("UserToken", array("user_id", "token", "token_type", "valid_until"))
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->addRow(array($this->userId, $this->token, "confirmation", $validUntil))
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->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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return $this->success;
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}
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public function execute($values = array()) {
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if (!parent::execute($values)) {
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return false;
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}
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if ($this->user->isLoggedIn()) {
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$this->lastError = L('You are already logged in');
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$this->success = false;
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return false;
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}
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$username = $this->getParam("username");
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$email = $this->getParam('email');
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if (!$this->userExists($username, $email)) {
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return false;
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}
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$password = $this->getParam("password");
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$confirmPassword = $this->getParam("confirmPassword");
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if(strcmp($password, $confirmPassword) !== 0) {
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return $this->createError("The given passwords don't match");
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}
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$id = $this->insertUser($username, $email, $password);
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if ($id === FALSE) {
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return false;
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}
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$this->userId = $id;
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$this->token = generateRandomString(36);
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if ($this->insertToken()) {
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return false;
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}
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$request = new SendMail($this->user);
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$link = "http://localhost/confirmEmail?token=$this->token";
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$this->success = $request->execute(array(
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"from" => "webmaster@romanh.de",
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"to" => $email,
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"subject" => "E-Mail Confirmation for web-base@localhost",
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"body" =>
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"Hello,<br>
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you recently registered an account on web-base@localhost. Click on the following link to confirm the registration, it is 48h valid from now.
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If the registration was not intended, you can simply ignore this email.<br><br><a href=\"$link\">$link</a>"
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)
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);
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if (!$this->success) {
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$this->lastError = "Your account was registered but the confirmation email could not be sent. " .
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"Please contact the server administration. Reason: " . $request->getLastError();
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}
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return $this->success;
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}
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}
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}
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