612 lines
21 KiB
PHP
612 lines
21 KiB
PHP
<?php
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// Make sure we are called from index.php
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if (!defined('SECURITY'))
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die('Hacking attempt');
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class User {
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private $sError = '';
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private $userID = false;
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private $table = 'accounts';
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private $user = array();
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private $tableAccountBalance = 'accountBalance';
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public function __construct($debug, $mysqli, $salt, $config) {
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$this->debug = $debug;
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$this->mysqli = $mysqli;
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$this->salt = $salt;
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$this->config = $config;
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$this->debug->append("Instantiated User class", 2);
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}
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// get and set methods
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private function setErrorMessage($msg) {
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$this->sError = $msg;
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}
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public function getError() {
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return $this->sError;
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}
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private function getHash($string) {
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return hash('sha256', $string.$this->salt);
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}
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public function getUserName($id) {
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return $this->getSingle($id, 'username', 'id');
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}
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public function getUserId($username) {
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return $this->getSingle($username, 'id', 'username', 's');
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}
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public function getUserEmail($username) {
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return $this->getSingle($username, 'email', 'username', 's');
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}
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public function getUserAdmin($id) {
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return $this->getSingle($id, 'is_admin', 'id');
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}
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public function getUserLocked($id) {
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return $this->getSingle($id, 'is_locked', 'id');
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}
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public function getUserToken($id) {
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return $this->getSingle($id, 'token', 'id');
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}
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public function getUserIp($id) {
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return $this->getSingle($id, 'loggedIp', 'id');
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}
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public function getEmail($email) {
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return $this->getSingle($email, 'email', 'email', 's');
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}
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public function getUserFailed($id) {
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return $this->getSingle($id, 'failed_logins', 'id');
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}
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public function getIdFromToken($token) {
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return $this->getSingle($token, 'id', 'token', 's');
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}
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public function isLocked($id) {
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return $this->getUserLocked($id);
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}
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public function isAdmin($id) {
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return $this->getUserAdmin($id);
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}
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public function changeLocked($id) {
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$field = array('name' => 'is_locked', 'type' => 'i', 'value' => !$this->isLocked($id));
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return $this->updateSingle($id, $field);
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}
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public function changeAdmin($id) {
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$field = array('name' => 'is_admin', 'type' => 'i', 'value' => !$this->isAdmin($id));
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return $this->updateSingle($id, $field);
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}
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public function setUserToken($id) {
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$field = array('name' => 'token', 'type' => 's', 'value' => setHash($id.time()));
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return $this->updateSingle($id, $field);
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}
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public function setUserFailed($id, $value) {
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$field = array( 'name' => 'failed_logins', 'type' => 'i', 'value' => $value);
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return $this->updateSingle($id, $field);
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}
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private function incUserFailed($id) {
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$field = array( 'name' => 'failed_logins', 'type' => 'i', 'value' => $this->getUserFailed($id) + 1);
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return $this->updateSingle($id, $field);
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}
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private function setUserIp($id, $ip) {
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$field = array( 'name' => 'loggedIp', 'type' => 's', 'value' => $ip );
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return $this->updateSingle($id, $field);
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}
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/**
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* Fetch all users for administrative tasks
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* @param none
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* @return data array All users with db columns as array fields
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**/
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public function getUsers($filter='%') {
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$stmt = $this->mysqli->prepare("SELECT * FROM " . $this->getTableName() . " WHERE username LIKE ?");
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if ($this->checkStmt($stmt) && $stmt->bind_param('s', $filter) && $stmt->execute() && $result = $stmt->get_result()) {
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return $result->fetch_all(MYSQLI_ASSOC);
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}
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}
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/**
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* Check user login
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* @param username string Username
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* @param password string Password
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* @return bool
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**/
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public function checkLogin($username, $password) {
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$this->debug->append("STA " . __METHOD__, 4);
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$this->debug->append("Checking login for $username with password $password", 2);
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if (empty($username) || empty($password)) {
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$this->setErrorMessage("Invalid username or password.");
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return false;
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}
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if ($this->isLocked($this->getUserId($username))) {
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$this->setErrorMessage("Account is locked. Please contact site support.");
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return false;
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}
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if ($this->checkUserPassword($username, $password)) {
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$this->createSession($username);
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if ($this->setUserIp($this->getUserId($username), $_SERVER['REMOTE_ADDR']))
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return true;
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}
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$this->setErrorMessage("Invalid username or password");
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if ($id = $this->getUserId($username))
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$this->incUserFailed($id);
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return false;
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}
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/**
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* Check the users PIN for confirmation
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* @param userID int User ID
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* @param pin int PIN to check
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* @return bool
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**/
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public function checkPin($userId, $pin=false) {
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$this->debug->append("STA " . __METHOD__, 4);
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$this->debug->append("Confirming PIN for $userId and pin $pin", 2);
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$stmt = $this->mysqli->prepare("SELECT pin FROM $this->table WHERE id=? AND pin=? LIMIT 1");
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$pin_hash = $this->getHash($pin);
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$stmt->bind_param('is', $userId, $pin_hash);
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$stmt->execute();
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$stmt->bind_result($row_pin);
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$stmt->fetch();
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$stmt->close();
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return $pin_hash === $row_pin;
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}
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/**
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* Get a single row from the table
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* @param value string Value to search for
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* @param search Return column to search for
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* @param field string Search column
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* @param type string Type of value
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* @return array Return result
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**/
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private function getSingle($value, $search='id', $field='id', $type="i") {
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$this->debug->append("STA " . __METHOD__, 4);
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$stmt = $this->mysqli->prepare("SELECT $search FROM $this->table WHERE $field = ? LIMIT 1");
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if ($this->checkStmt($stmt)) {
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$stmt->bind_param($type, $value);
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$stmt->execute();
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$stmt->bind_result($retval);
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$stmt->fetch();
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$stmt->close();
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return $retval;
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}
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return false;
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}
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/**
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* Get all users that have auto payout setup
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* @param none
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* @return data array All users with payout setup
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**/
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public function getAllAutoPayout() {
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$this->debug->append("STA " . __METHOD__, 4);
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$stmt = $this->mysqli->prepare("
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SELECT
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id, username, coin_address, ap_threshold
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FROM " . $this->getTableName() . "
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WHERE ap_threshold > 0
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AND coin_address IS NOT NULL
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");
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if ( $this->checkStmt($stmt) && $stmt->execute() && $result = $stmt->get_result()) {
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return $result->fetch_all(MYSQLI_ASSOC);
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}
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$this->debug->append("Unable to fetch users with AP set");
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echo $this->mysqli->error;
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return false;
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}
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/**
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* Fetch users coin address
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* @param userID int UserID
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* @return data string Coin Address
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**/
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public function getCoinAddress($userID) {
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$this->debug->append("STA " . __METHOD__, 4);
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return $this->getSingle($userID, 'coin_address', 'id');
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}
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/**
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* Fetch users donation value
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* @param userID int UserID
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* @return data string Coin Address
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**/
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public function getDonatePercent($userID) {
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$this->debug->append("STA " . __METHOD__, 4);
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$dPercent = $this->getSingle($userID, 'donate_percent', 'id');
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if ($dPercent > 100) $dPercent = 100;
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if ($dPercent < 0) $dPercent = 0;
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return $dPercent;
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}
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/**
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* Update a single row in a table
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* @param userID int Account ID
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* @param field string Field to update
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* @return bool
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**/
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private function updateSingle($id, $field) {
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$this->debug->append("STA " . __METHOD__, 4);
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$stmt = $this->mysqli->prepare("UPDATE $this->table SET `" . $field['name'] . "` = ? WHERE id = ? LIMIT 1");
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if ($this->checkStmt($stmt) && $stmt->bind_param($field['type'].'i', $field['value'], $id) && $stmt->execute())
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return true;
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$this->debug->append("Unable to update " . $field['name'] . " with " . $field['value'] . " for ID $id");
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return false;
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}
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private function checkStmt($bState) {
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$this->debug->append("STA " . __METHOD__, 4);
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if ($bState ===! true) {
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$this->debug->append("Failed to prepare statement: " . $this->mysqli->error);
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$this->setErrorMessage('Internal application Error');
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return false;
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}
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return true;
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}
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/**
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* Update the accounts password
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* @param userID int User ID
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* @param current string Current password
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* @param new1 string New password
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* @param new2 string New password confirmation
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* @return bool
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**/
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public function updatePassword($userID, $current, $new1, $new2) {
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$this->debug->append("STA " . __METHOD__, 4);
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if ($new1 !== $new2) {
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$this->setErrorMessage( 'New passwords do not match' );
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return false;
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}
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if ( strlen($new1) < 8 ) {
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$this->setErrorMessage( 'New password is too short, please use more than 8 chars' );
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return false;
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}
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$current = $this->getHash($current);
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$new = $this->getHash($new1);
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$stmt = $this->mysqli->prepare("UPDATE $this->table SET pass = ? WHERE ( id = ? AND pass = ? )");
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if ($this->checkStmt($stmt)) {
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$stmt->bind_param('sis', $new, $userID, $current);
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$stmt->execute();
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if ($stmt->errno == 0 && $stmt->affected_rows === 1) {
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return true;
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}
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$stmt->close();
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}
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$this->setErrorMessage( 'Unable to update password, current password wrong?' );
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return false;
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}
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/**
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* Update account information from the edit account page
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* @param userID int User ID
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* @param address string new coin address
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* @param threshold float auto payout threshold
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* @param donat float donation % of income
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* @return bool
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**/
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public function updateAccount($userID, $address, $threshold, $donate, $email) {
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$this->debug->append("STA " . __METHOD__, 4);
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$bUser = false;
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// number validation checks
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if (!is_numeric($threshold)) {
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$this->setErrorMessage('Invalid input for auto-payout');
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return false;
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} else if ($threshold < $this->config['ap_threshold']['min'] && $threshold != 0) {
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$this->setErrorMessage('Threshold below configured minimum of ' . $this->config['ap_threshold']['min']);
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return false;
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} else if ($threshold > $this->config['ap_threshold']['max']) {
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$this->setErrorMessage('Threshold above configured maximum of ' . $this->config['ap_threshold']['max']);
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return false;
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}
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if (!is_numeric($donate)) {
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$this->setErrorMessage('Invalid input for donation');
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return false;
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} else if ($donate < 0) {
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$this->setErrorMessage('Donation below allowed 0% limit');
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return false;
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} else if ($donate > 100) {
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$this->setErrorMessage('Donation above allowed 100% limit');
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return false;
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}
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if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
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$this->setErrorMessage('Invalid email address');
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return false;
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}
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// Number sanitizer, just in case we fall through above
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$threshold = min($this->config['ap_threshold']['max'], max(0, floatval($threshold)));
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$donate = min(100, max(0, floatval($donate)));
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// We passed all validation checks so update the account
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$stmt = $this->mysqli->prepare("UPDATE $this->table SET coin_address = ?, ap_threshold = ?, donate_percent = ?, email = ? WHERE id = ?");
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if ($this->checkStmt($stmt) && $stmt->bind_param('sddsi', $address, $threshold, $donate, $email, $userID) && $stmt->execute())
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return true;
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// Catchall
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$this->setErrorMessage('Failed to update your account');
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$this->debug->append('Account update failed: ' . $this->mysqli->error);
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return false;
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}
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/**
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* Check API key for authentication
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* @param key string API key hash
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* @return bool
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**/
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public function checkApiKey($key) {
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$this->debug->append("STA " . __METHOD__, 4);
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$stmt = $this->mysqli->prepare("SELECT api_key, id FROM $this->table WHERE api_key = ? LIMIT 1");
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if ($this->checkStmt($stmt) && $stmt->bind_param("s", $key) && $stmt->execute() && $stmt->bind_result($api_key, $id) && $stmt->fetch()) {
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if ($api_key === $key)
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return $id;
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}
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header("HTTP/1.1 401 Unauthorized");
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die('Access denied');
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}
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/**
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* Check a password for a user
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* @param username string Username
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* @param password string Password
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* @return bool
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**/
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private function checkUserPassword($username, $password) {
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$this->debug->append("STA " . __METHOD__, 4);
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$user = array();
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$password_hash = $this->getHash($password);
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$stmt = $this->mysqli->prepare("SELECT username, id, is_admin FROM $this->table WHERE username=? AND pass=? LIMIT 1");
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if ($this->checkStmt($stmt)) {
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$stmt->bind_param('ss', $username, $password_hash);
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$stmt->execute();
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$stmt->bind_result($row_username, $row_id, $row_admin);
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$stmt->fetch();
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$stmt->close();
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// Store the basic login information
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$this->user = array('username' => $row_username, 'id' => $row_id, 'is_admin' => $row_admin);
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return $username === $row_username;
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}
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return false;
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}
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/**
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* Create a PHP session for a user
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* @param username string Username to create session for
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* @return none
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**/
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private function createSession($username) {
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$this->debug->append("STA " . __METHOD__, 4);
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$this->debug->append("Log in user to _SESSION", 2);
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session_regenerate_id(true);
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$_SESSION['AUTHENTICATED'] = '1';
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// $this->user from checkUserPassword
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$_SESSION['USERDATA'] = $this->user;
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}
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/**
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* Log out current user, destroy the session
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* @param none
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* @return true
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**/
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public function logoutUser($redirect="index.php") {
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$this->debug->append("STA " . __METHOD__, 4);
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// Unset all of the session variables
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$_SESSION = array();
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// As we're killing the sesison, also kill the cookie!
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if (ini_get("session.use_cookies")) {
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$params = session_get_cookie_params();
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setcookie(session_name(), '', time() - 42000, $params["path"], $params["domain"], $params["secure"], $params["httponly"]);
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}
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// Destroy the session.
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session_destroy();
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// Enforce generation of a new Session ID and delete the old
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session_regenerate_id(true);
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// Enforce a page reload
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header("Location: $redirect");
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}
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/**
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* Fetch this classes table name
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* @return table string This classes table name
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**/
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public function getTableName() {
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$this->debug->append("STA " . __METHOD__, 4);
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return $this->table;
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}
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/**
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* Fetch some basic user information to store for later user
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* @param userID int User ID
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* return data array Database fields as used in SELECT
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**/
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public function getUserData($userID) {
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$this->debug->append("STA " . __METHOD__, 4);
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$this->debug->append("Fetching user information for user id: $userID");
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$stmt = $this->mysqli->prepare("
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SELECT
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id, username, pin, api_key, is_admin, email,
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IFNULL(donate_percent, '0') as donate_percent, coin_address, ap_threshold
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FROM $this->table
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WHERE id = ? LIMIT 0,1");
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if ($this->checkStmt($stmt)) {
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$stmt->bind_param('i', $userID);
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if (!$stmt->execute()) {
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$this->debug->append('Failed to execute statement');
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return false;
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}
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$result = $stmt->get_result();
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$stmt->close();
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return $result->fetch_assoc();
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}
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$this->debug->append("Failed to fetch user information for $userID");
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return false;
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}
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/**
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* Register a new user in the system
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* @param username string Username
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* @param password1 string Password
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* @param password2 string Password verification
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* @param pin int 4 digit PIN code
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* @param email1 string Email address
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* @param email2 string Email confirmation
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* @return bool
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**/
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public function register($username, $password1, $password2, $pin, $email1='', $email2='') {
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$this->debug->append("STA " . __METHOD__, 4);
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if (strlen($username > 40)) {
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$this->setErrorMessage('Username exceeding character limit');
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return false;
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}
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if (preg_match('/[^a-zA-Z0-9_\-]/', $username)) {
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$this->setErrorMessage('Username may only contain alphanumeric characters');
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return false;
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}
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if ($this->getEmail($email1)) {
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$this->setErrorMessage( 'This e-mail address is already taken' );
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return false;
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}
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if (strlen($password1) < 8) {
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$this->setErrorMessage( 'Password is too short, minimum of 8 characters required' );
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return false;
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}
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if ($password1 !== $password2) {
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$this->setErrorMessage( 'Password do not match' );
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return false;
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}
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if (empty($email1) || !filter_var($email1, FILTER_VALIDATE_EMAIL)) {
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$this->setErrorMessage( 'Invalid e-mail address' );
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return false;
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}
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if ($email1 !== $email2) {
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$this->setErrorMessage( 'E-mail do not match' );
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return false;
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}
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if (!is_numeric($pin) || strlen($pin) > 4 || strlen($pin) < 4) {
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$this->setErrorMessage( 'Invalid PIN' );
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return false;
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}
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if ($this->mysqli->query("SELECT id FROM $this->table LIMIT 1")->num_rows > 0) {
|
|
$stmt = $this->mysqli->prepare("
|
|
INSERT INTO $this->table (username, pass, email, pin, api_key)
|
|
VALUES (?, ?, ?, ?, ?)
|
|
");
|
|
} else {
|
|
$stmt = $this->mysqli->prepare("
|
|
INSERT INTO $this->table (username, pass, email, pin, api_key, is_admin)
|
|
VALUES (?, ?, ?, ?, ?, 1)
|
|
");
|
|
}
|
|
|
|
// Create hashed strings using original string and salt
|
|
$password_hash = $this->getHash($password1);
|
|
$pin_hash = $this->getHash($pin);
|
|
$apikey_hash = $this->getHash($username);
|
|
$username_clean = strip_tags($username);
|
|
|
|
if ($this->checkStmt($stmt) && $stmt->bind_param('sssss', $username_clean, $password_hash, $email1, $pin_hash, $apikey_hash)) {
|
|
if (!$stmt->execute()) {
|
|
$this->setErrorMessage( 'Unable to register' );
|
|
if ($stmt->sqlstate == '23000') $this->setErrorMessage( 'Username or email already registered' );
|
|
return false;
|
|
}
|
|
$stmt->close();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* User a one time token to reset a password
|
|
* @param token string one time token
|
|
* @param new1 string New password
|
|
* @param new2 string New password verification
|
|
* @return bool
|
|
**/
|
|
public function useToken($token, $new1, $new2) {
|
|
$this->debug->append("STA " . __METHOD__, 4);
|
|
if ($id = $this->getIdFromToken($token)) {
|
|
if ($new1 !== $new2) {
|
|
$this->setErrorMessage( 'New passwords do not match' );
|
|
return false;
|
|
}
|
|
if ( strlen($new1) < 8 ) {
|
|
$this->setErrorMessage( 'New password is too short, please use more than 8 chars' );
|
|
return false;
|
|
}
|
|
$new_hash = $this->getHash($new1);
|
|
$stmt = $this->mysqli->prepare("UPDATE $this->table SET pass = ?, token = NULL WHERE id = ? AND token = ?");
|
|
if ($this->checkStmt($stmt) && $stmt->bind_param('sis', $new_hash, $id, $token) && $stmt->execute() && $stmt->affected_rows === 1) {
|
|
return true;
|
|
}
|
|
} else {
|
|
$this->setErrorMessage("Unable find user for your token");
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Reset a password by sending a password reset mail
|
|
* @param username string Username to reset password for
|
|
* @param smarty object Smarty object for mail templating
|
|
* @return bool
|
|
**/
|
|
public function resetPassword($username, $smarty) {
|
|
$this->debug->append("STA " . __METHOD__, 4);
|
|
// Fetch the users mail address
|
|
if (empty($username)) {
|
|
$this->serErrorMessage("Username must not be empty");
|
|
return false;
|
|
}
|
|
if (!$email = $this->getUserEmail($username)) {
|
|
$this->setErrorMessage("Unable to find a mail address for user $username");
|
|
return false;
|
|
}
|
|
if (!$this->setUserToken($this->getUserId($username))) {
|
|
$this->setErrorMessage("Unable to setup token for password reset");
|
|
return false;
|
|
}
|
|
// Send password reset link
|
|
if (!$token = $this->getUserToken($this->getUserId($username))) {
|
|
$this->setErrorMessage("Unable fetch token for password reset");
|
|
return false;
|
|
}
|
|
$smarty->assign('TOKEN', $token);
|
|
$smarty->assign('USERNAME', $username);
|
|
$smarty->assign('SUBJECT', 'Password Reset Request');
|
|
$smarty->assign('WEBSITENAME', $this->config['website']['name']);
|
|
$headers = 'From: Website Administration <' . $this->config['website']['email'] . ">\n";
|
|
$headers .= "MIME-Version: 1.0\n";
|
|
$headers .= "Content-Type: text/html; charset=ISO-8859-1\r\n";
|
|
if (mail($email,
|
|
$smarty->fetch('templates/mail/subject.tpl'),
|
|
$smarty->fetch('templates/mail/body.tpl'),
|
|
$headers)) {
|
|
return true;
|
|
} else {
|
|
$this->setErrorMessage("Unable to send mail to your address");
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check if a user is authenticated and allowed to login
|
|
* Checks the $_SESSION for existing data
|
|
* Destroys the session if account is now locked
|
|
* @param none
|
|
* @return bool
|
|
**/
|
|
public function isAuthenticated() {
|
|
$this->debug->append("STA " . __METHOD__, 4);
|
|
if (@$_SESSION['AUTHENTICATED'] == true &&
|
|
!$this->isLocked($_SESSION['USERDATA']['id']) &&
|
|
$this->getUserIp($_SESSION['USERDATA']['id']) == $_SERVER['REMOTE_ADDR']
|
|
) return true;
|
|
// Catchall
|
|
$this->logoutUser();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Make our class available automatically
|
|
$user = new User($debug, $mysqli, SALT, $config);
|