53 lines
1.6 KiB
PHP
53 lines
1.6 KiB
PHP
<?php
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define("USERNAME_REGEX", "^[\p{L}\p{N}_-]{1,64}$");
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define("PASSWORD_REGEX", "^(?=.*[\p{Ll}])(?=.*[\p{Lu}])(?=.*[\p{N}]).{8,1024}|.{10,1024}$");
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define("PLACEHOLDER_USERNAME", "lain");
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define("PLACEHOLDER_PASSWORD", "••••••••••••••••••••••••");
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// Password storage security
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define("ALGO_PASSWORD", PASSWORD_ARGON2ID);
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define("OPTIONS_PASSWORD", array(
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"memory_cost" => 65536,
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"time_cost" => 24,
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"threads" => 64,
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));
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function checkPasswordFormat($password) {
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if (preg_match("/" . PASSWORD_REGEX . "/u", $password) !== 1)
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userError("Password malformed.");
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}
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function checkUsernameFormat($username) {
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if (preg_match("/" . USERNAME_REGEX . "/u", $username) !== 1)
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userError("Username malformed.");
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}
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function hashPassword($password) {
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return password_hash($password, ALGO_PASSWORD, OPTIONS_PASSWORD);
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}
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function userExist($username) {
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return isset(query('select', 'users', ['username' => $username], 'username')[0]);
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}
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function checkPassword($username, $password) {
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return password_verify($password, query('select', 'users', ['username' => $username], 'password')[0]);
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}
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function outdatedPasswordHash($username) {
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return password_needs_rehash(query('select', 'users', ['username' => $username], 'password')[0], ALGO_PASSWORD, OPTIONS_PASSWORD);
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}
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function changePassword($username, $password) {
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$db = new PDO('sqlite:' . DB_PATH);
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$stmt = $db->prepare("UPDATE users SET password = :password WHERE username = :username");
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$stmt->bindValue(':username', $username);
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$stmt->bindValue(':password', hashPassword($password));
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$stmt->execute();
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}
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