mirror of
https://github.com/AuthMe/AuthMeReloaded.git
synced 2024-12-20 23:57:34 +01:00
108 lines
3.7 KiB
PHP
108 lines
3.7 KiB
PHP
<?php
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/*****************************************************************************
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* AuthMe website integration logic for BCrypt *
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* -------------------------------- *
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* Check with authme_check_password() whether the received username and *
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* password match the AuthMe MySQL database. Don't forget to adjust the *
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* database info in authme_get_hash(). *
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* *
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* Source: https://github.com/AuthMe-Team/AuthMeReloaded/ *
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*****************************************************************************/
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/** The name of the authme MySQL table. */
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define('AUTHME_TABLE', 'authme');
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/**
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* Entry point function to check supplied credentials against the AuthMe database.
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*
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* @param string $username the username
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* @param string $password the password
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* @return bool true iff the data is correct, false otherwise
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*/
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function authme_check_password($username, $password) {
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if (is_scalar($username) && is_scalar($password)) {
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$hash = authme_get_hash($username);
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if ($hash) {
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return password_verify($password, $hash);
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}
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}
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return false;
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}
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/**
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* Returns a connection to the database.
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*
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* @return mysqli|null the mysqli object or null upon error
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*/
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function authme_get_mysqli() {
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$mysqli = new mysqli('localhost', 'root', '', 'authme');
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if (mysqli_connect_error()) {
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printf('Could not connect to AuthMe database. Errno: %d, error: "%s"',
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mysqli_connect_errno(), mysqli_connect_error());
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return null;
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}
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return $mysqli;
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}
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/**
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* Retrieves the hash associated with the given user from the database.
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*
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* @param string $username the username whose hash should be retrieved
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* @return string|null the hash, or null if unavailable (e.g. username doesn't exist)
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*/
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function authme_get_hash($username) {
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// Add here your database host, username, password and database name
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$mysqli = authme_get_mysqli();
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if ($mysqli !== null) {
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$stmt = $mysqli->prepare('SELECT password FROM ' . AUTHME_TABLE . ' WHERE username = ?');
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$stmt->bind_param('s', $username);
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$stmt->execute();
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$stmt->bind_result($password);
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if ($stmt->fetch()) {
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return $password;
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}
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}
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return null;
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}
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/**
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* Returns whether the user exists in the database or not.
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*
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* @param string $username the username to check
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* @return bool true if the user exists; false otherwise
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*/
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function authme_has_user($username) {
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$mysqli = authme_get_mysqli();
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if ($mysqli !== null) {
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$stmt = $mysqli->prepare('SELECT 1 FROM ' . AUTHME_TABLE . ' WHERE username = ?');
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$stmt->bind_param('s', $username);
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$stmt->execute();
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return $stmt->fetch();
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}
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// Defensive default to true; we actually don't know
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return true;
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}
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/**
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* Registers a player with the given username.
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*
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* @param string $username the username to register
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* @param string $password the password to associate to the user
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* @return bool whether or not the registration was successful
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*/
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function authme_register($username, $password) {
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$mysqli = authme_get_mysqli();
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if ($mysqli !== null) {
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$hash = password_hash($password, PASSWORD_BCRYPT);
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$stmt = $mysqli->prepare('INSERT INTO ' . AUTHME_TABLE . ' (username, realname, password, ip) '
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. 'VALUES (?, ?, ?, ?)');
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$username_low = strtolower($username);
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$stmt->bind_param('ssss', $username, $username_low, $hash, $_SERVER['REMOTE_ADDR']);
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return $stmt->execute();
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}
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return false;
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}
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