Fehlende ALTCHA-Bibliotheksdateien ergaenzt

fp_altcha_spamschutz/src/Vendor/AltchaOrg/Altcha/V1/ChallengeOptions.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace AltchaOrg\Altcha\V1;
+
+use AltchaOrg\Altcha\V1\Hasher\Algorithm;
+
+/**
+ * @phpstan-import-type ChallengeParams from BaseChallengeOptions
+ */
+class ChallengeOptions extends BaseChallengeOptions
+{
+    private const DEFAULT_SALT_LENGTH = 12;
+
+    /**
+     * Options for creation of a new challenge with sane defaults.
+     *
+     * @param int                     $maxNumber  Maximum number for the random number generator (default: 1,000,000)
+     * @param Algorithm               $algorithm  Hashing algorithm to use (`SHA-1`, `SHA-256`, `SHA-512`, default:
+     *                                            `SHA-256`).
+     * @param null|\DateTimeInterface $expires    Optional expiration time for the challenge.
+     * @param ChallengeParams         $params     Optional URL-encoded query parameters.
+     * @param int<1, max>             $saltLength Length of the random salt (default: 12 bytes).
+     */
+    public function __construct(
+        Algorithm $algorithm = Algorithm::SHA256,
+        int $maxNumber = self::DEFAULT_MAX_NUMBER,
+        ?\DateTimeInterface $expires = null,
+        array $params = [],
+        int $saltLength = self::DEFAULT_SALT_LENGTH,
+    ) {
+        parent::__construct(
+            $algorithm,
+            $maxNumber,
+            $expires,
+            bin2hex(self::randomBytes($saltLength)),
+            self::randomInt($maxNumber),
+            $params
+        );
+    }
+
+    private static function randomInt(int $max): int
+    {
+        return random_int(0, $max);
+    }
+
+    /**
+     * @param int<1, max> $length
+     */
+    private static function randomBytes(int $length): string
+    {
+        return random_bytes($length);
+    }
+}